What are the cheapest airlines to fly from United Kingdom to Ottawa one-way?

C$ 588 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Lufthansa and Air Transat, with prices starting from C$ 764 and C$ 767, respectively.

What are the most popular routes from United Kingdom to Ottawa?

While some choose either London City - Ottawa or London Gatwick - Ottawa, London Heathrow - Ottawa is the most popular route from United Kingdom to Ottawa.

What are the cheapest flights from United Kingdom to Ottawa?

Looking for the cheapest flight from United Kingdom to Ottawa? While on average our users pay C$ 1,610, our data indicates the cheapest price to be C$ 575. The most popular route (London Heathrow - Ottawa), is priced around C$ 714.

What are the most reliable airlines from United Kingdom to Ottawa?

Before booking your flight to Ottawa from United Kingdom, check out the most reliable airlines to get you to your destination on time: Air Canada (100%), Aegean Airlines (100%), Austrian Airlines( 100%).

What are the most popular airlines that fly from United Kingdom to Ottawa?

The most popular airlines flying from United Kingdom to Ottawa are Air Canada, Air France and Lufthansa. Something to consider prior to booking your flight.

How far in advance should I book a flight from United Kingdom to Ottawa?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 33 days in advance, which can save you up to 23% on flights from United Kingdom to Ottawa compared to booking the week you need them. Waiting 33 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at C$ 983. For sooner than that we have options available in the next 3 days from C$ 983.

What is the cheapest month to fly from United Kingdom to Ottawa?

Due to multiple factors, expect to potentially pay more when booking in August. For low rates, January can be a great choice for travel to Ottawa. Flights to Ottawa from United Kingdom in January are about C$ 1,037 on average during January, but can be found for as low as C$ 695.

What airport do you fly into for flights to Ottawa from United Kingdom?

Located just 10.6 km from the city centre, Ottawa (YOW) is the airport most travelers will use when flying to Ottawa from United Kingdom.

Can I find deals for flights from United Kingdom to Ottawa that include hotel bookings?

Yes. In addition to deals on United Kingdom to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from United Kingdom to Ottawa?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Ottawa.

Can I find deals for business class flights from United Kingdom to Ottawa?

Yes. Cheapflights offers flight deals from United Kingdom to Ottawa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 929+ Flights from the United Kingdom to Ottawa

Cheap flight deals from United Kingdom to Ottawa

Round-trip from	C$ 692
One-way from	C$ 417
Popular in	August
Cheapest in	January
Average price	C$ 979
Good round-trip deal	C$ 1,002 or less
Good one-way deal	C$ 809 or less

Air Canada
21/6-23/6
2 total stops
31h 11m total
United Kingdom to Ottawa

Search Deals

15/5
2 total stops
35h 52m total
United Kingdom to Ottawa

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (C$ 265 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 45 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Price to beat on a round-trip flight from United Kingdom to Ottawa.

Search Deals

Price to beat on a one-way flight from United Kingdom to Ottawa.

Search Deals

Find flight deals from United Kingdom to Ottawa

Cheapest flights from United Kingdom to Ottawa
Explore the most affordable flight options available from United Kingdom to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 April 2025.

Sat 21/64:00 p.m.LHR - YOW

1 stop22h 11mAir Canada

Mon 23/67:00 a.m.YOW - LHR

1 stop9h 00mAir Canada

Deal found 24/4C$ 692

Tue 6/56:15 a.m.LHR - YOW

1 stop13h 50mAir France

Tue 13/55:15 p.m.YOW - LHR

1 stop15h 30mAir France

Deal found 25/4C$ 725

Tue 6/56:15 a.m.LHR - YOW

1 stop13h 50mMultiple Airlines

Tue 13/55:15 p.m.YOW - LHR

2 stops15h 35mMultiple Airlines

Deal found 25/4C$ 772

Tue 10/611:35 a.m.LGW - YOW

2 stops17h 47mMultiple Airlines

Tue 17/65:55 a.m.YOW - LGW

1 stop23h 50mMultiple Airlines

Deal found 25/4C$ 775

Wed 17/912:40 p.m.LHR - YOW

Nonstop7h 20mLufthansa

Sat 27/99:00 p.m.YOW - LHR

Nonstop6h 35mLufthansa

Deal found 25/4C$ 847

Thu 1/56:00 a.m.LHR - YOW

2 stops18h 04mSWISS

Thu 8/52:35 p.m.YOW - LHR

2 stops21h 00mSWISS

Deal found 24/4C$ 853

Tue 1/79:40 a.m.LGW - YOW

1 stop19h 41mAir Transat

Tue 8/711:20 a.m.YOW - LGW

1 stop15h 35mAir Transat

Deal found 25/4C$ 860

Thu 1/56:00 a.m.LHR - YOW

2 stops23h 19mAustrian Airlines

Thu 8/51:55 p.m.YOW - LHR

2 stops19h 25mAustrian Airlines

Deal found 24/4C$ 860

Tue 1/79:00 a.m.LHR - YOW

1 stop11h 05mVirgin Atlantic

Tue 8/75:15 p.m.YOW - LHR

1 stop9h 45mVirgin Atlantic

Deal found 25/4C$ 864

Mon 5/56:00 a.m.BHX - YOW

1 stop14h 05mAir France

Mon 12/55:15 p.m.YOW - BHX

1 stop19h 35mAir France

Deal found 25/4C$ 889

Wed 21/56:50 a.m.LHR - YOW

2 stops12h 00mBrussels Airlines

Sun 25/53:55 p.m.YOW - LHR

2 stops20h 10mBrussels Airlines

Deal found 24/4C$ 889

Mon 9/64:10 p.m.STN - YOW

2 stops37h 12mMultiple Airlines

Mon 16/65:55 a.m.YOW - STN

2 stops27h 05mMultiple Airlines

Deal found 25/4C$ 894

Best flights from United Kingdom to Ottawa
Discover carefully curated flight deals from United Kingdom to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 25 April 2025.

Sat 21/64:00 p.m.LHR - YOW

1 stop22h 11mAir Canada

Mon 23/67:00 a.m.YOW - LHR

1 stop9h 00mAir Canada

Deal found 24/4C$ 692

Tue 6/56:15 a.m.LHR - YOW

1 stop13h 50mAir France

Tue 13/55:15 p.m.YOW - LHR

1 stop15h 30mAir France

Deal found 25/4C$ 725

Tue 6/56:15 a.m.LHR - YOW

1 stop13h 50mMultiple Airlines

Tue 13/55:15 p.m.YOW - LHR

2 stops15h 35mMultiple Airlines

Deal found 25/4C$ 772

Mon 9/611:30 a.m.LHR - YOW

1 stop32h 35mVirgin Atlantic

Mon 16/65:15 p.m.YOW - LHR

1 stop9h 45mVirgin Atlantic

Deal found 25/4C$ 836

Mon 12/56:00 a.m.LHR - YOW

2 stops16h 04mAustrian Airlines

Wed 21/57:55 p.m.YOW - LHR

1 stop29h 40mAustrian Airlines

Deal found 25/4C$ 846

Wed 17/912:40 p.m.LHR - YOW

Nonstop7h 20mLufthansa

Sat 27/99:00 p.m.YOW - LHR

Nonstop6h 35mLufthansa

Deal found 25/4C$ 847

Wed 3/95:10 p.m.LHR - YOW

2 stops34h 54mSWISS

Fri 19/911:05 a.m.YOW - LHR

2 stops40h 10mSWISS

Deal found 25/4C$ 856

Tue 1/79:40 a.m.LGW - YOW

1 stop19h 41mAir Transat

Tue 8/711:20 a.m.YOW - LGW

1 stop15h 35mAir Transat

Deal found 25/4C$ 860

Wed 21/56:50 a.m.LHR - YOW

2 stops12h 00mBrussels Airlines

Sun 25/53:55 p.m.YOW - LHR

2 stops20h 10mBrussels Airlines

Deal found 24/4C$ 889

Mon 1/98:30 a.m.LHR - YOW

2 stops15h 22mUnited Airlines

Fri 19/95:50 p.m.YOW - LHR

1 stop11h 20mUnited Airlines

Deal found 25/4C$ 903

Mon 12/52:45 p.m.LHR - YOW

2 stops14h 37mKLM

Wed 21/55:15 p.m.YOW - LHR

2 stops15h 35mKLM

Deal found 24/4C$ 908

Sat 31/510:45 a.m.LGW - YOW

2 stops18h 37mWestJet

Wed 4/65:55 a.m.YOW - LGW

2 stops22h 30mWestJet

Deal found 25/4C$ 979

Direct flights from United Kingdom to Ottawa
Explore direct flight options from United Kingdom to Ottawa based on user searches, and compare prices and availability for your desired travel dates. Data last updated 25 April 2025.

Wed 3/912:40 p.m.LHR - YOW

Nonstop7h 20mAir Canada

Thu 18/96:55 p.m.YOW - LHR

Nonstop6h 35mAir Canada

Deal found 25/4C$ 832

Wed 17/912:40 p.m.LHR - YOW

Nonstop7h 20mLufthansa

Sat 27/99:00 p.m.YOW - LHR

Nonstop6h 35mLufthansa

Deal found 25/4C$ 847

Mon 12/52:05 p.m.LHR - YOW

Nonstop7h 30mMultiple Airlines

Wed 21/59:00 p.m.YOW - LHR

Nonstop6h 35mMultiple Airlines

Deal found 24/4C$ 940

Last-minute flights from United Kingdom to Ottawa
Discover last-minute flight deals from United Kingdom to Ottawa. Data last updated 25 April 2025 and is based on user searches.

Thu 1/59:30 a.m.LHR - YOW

1 stop9h 20mAir Canada

Thu 8/56:55 p.m.YOW - LHR

Nonstop6h 35mAir Canada

Deal found 24/4C$ 826

Thu 1/57:30 p.m.LHR - YOW

2 stops33h 49mAustrian Airlines

Thu 8/57:55 p.m.YOW - LHR

1 stop10h 55mAustrian Airlines

Deal found 24/4C$ 844

Thu 1/58:40 a.m.LHR - YOW

2 stops15h 24mSWISS

Thu 8/52:35 p.m.YOW - LHR

2 stops21h 00mSWISS

Deal found 24/4C$ 853

Thu 1/52:05 p.m.LHR - YOW

Nonstop7h 30mLufthansa

Wed 7/59:00 p.m.YOW - LHR

Nonstop6h 35mLufthansa

Deal found 24/4C$ 872

Thu 1/59:30 a.m.LHR - YOW

1 stop9h 20mAir Canada

Thu 8/57:00 a.m.YOW - LHR

1 stop9h 00mAir Canada

Deal found 24/4C$ 826

Thu 1/56:00 a.m.LHR - YOW

2 stops18h 04mSWISS

Thu 8/52:35 p.m.YOW - LHR

2 stops21h 00mSWISS

Deal found 24/4C$ 853

Thu 1/512:05 p.m.LHR - YOW

1 stop14h 04mLufthansa

Thu 8/56:55 p.m.YOW - LHR

Nonstop6h 35mLufthansa

Deal found 24/4C$ 881

Mon 5/57:45 p.m.LHR - YOW

1 stop24h 20mAir France

Mon 12/55:15 p.m.YOW - LHR

1 stop9h 45mAir France

Deal found 25/4C$ 743

Mon 5/57:45 p.m.LHR - YOW

1 stop24h 20mMultiple Airlines

Mon 12/55:15 p.m.YOW - LHR

2 stops15h 35mMultiple Airlines

Deal found 25/4C$ 789

Mon 5/56:00 a.m.BHX - YOW

1 stop14h 05mAir France

Mon 12/55:15 p.m.YOW - BHX

1 stop19h 35mAir France

Deal found 25/4C$ 889

Mon 5/59:05 a.m.BHX - YOW

2 stops20h 17mMultiple Airlines

Mon 12/55:15 p.m.YOW - BHX

1 stop15h 25mMultiple Airlines

Deal found 25/4C$ 905

Mon 5/512:40 p.m.LGW - YOW

1 stop13h 21mAir Transat

Mon 12/54:40 p.m.YOW - LGW

1 stop13h 05mAir Transat

Deal found 25/4C$ 921

One-way flights from United Kingdom to Ottawa
Search for one-way flight options from United Kingdom to Ottawa. Find affordable one-way fares based on user searches. Data last updated 25 April 2025.

Thu 15/55:30 p.m.LGW - YOW

2 stops35h 52mMultiple Airlines

Deal found 25/4C$ 417

Thu 15/55:50 p.m.STN - YOW

2 stops35h 32mMultiple Airlines

Deal found 25/4C$ 446

Thu 22/56:20 a.m.LHR - YOW

2 stops13h 25mMultiple Airlines

Deal found 24/4C$ 489

Tue 2/96:45 a.m.LCY - YOW

2 stops22h 37mMultiple Airlines

Deal found 24/4C$ 564

Fri 13/62:10 p.m.LHR - YOW

2 stops20h 15mWestJet

Deal found 23/4C$ 588

Wed 10/910:45 a.m.LGW - YOW

2 stops18h 37mWestJet

Deal found 24/4C$ 713

Wed 7/512:40 p.m.LHR - YOW

Nonstop7h 30mLufthansa

Deal found 24/4C$ 764

Mon 7/712:40 p.m.LGW - YOW

1 stop26h 41mAir Transat

Deal found 25/4C$ 767

Wed 27/89:50 a.m.LHR - YOW

2 stops16h 20mAer Lingus

Deal found 24/4C$ 814

Wed 10/98:35 a.m.GLA - YOW

1 stop16h 26mAir Transat

Deal found 25/4C$ 844

Mon 7/712:40 p.m.LHR - YOW

1 stop15h 28mAir Canada

Deal found 25/4C$ 1,080

Wed 10/93:55 p.m.GLA - YOW

2 stops34h 14mAer Lingus

Deal found 25/4C$ 1,100

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United Kingdom to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Sat 21/6

4:00 p.m.-9:11 a.m.

1 stop22h 11m

Ottawa

Mon 23/6

7:00 a.m.-9:00 p.m.

1 stop9h 00m

C$ 692

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Tue 6/5

6:15 a.m.-3:05 p.m.

1 stop13h 50m

Ottawa

Tue 13/5

5:15 p.m.-1:45 p.m.

1 stop15h 30m

C$ 725

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Tue 6/5

6:15 a.m.-3:05 p.m.

1 stop13h 50m

Ottawa

Tue 13/5

5:15 p.m.-1:50 p.m.

2 stops15h 35m

C$ 772

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Tue 10/6

11:35 a.m.-12:22 a.m.

2 stops17h 47m

Ottawa

Tue 17/6

5:55 a.m.-10:45 a.m.

1 stop23h 50m

C$ 775

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Mon 9/6

11:30 a.m.-3:05 p.m.

1 stop32h 35m

Ottawa

Mon 16/6

5:15 p.m.-8:00 a.m.

1 stop9h 45m

C$ 836

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Mon 12/5

6:00 a.m.-5:04 p.m.

2 stops16h 04m

Ottawa

Wed 21/5

7:55 p.m.-6:35 a.m.

1 stop29h 40m

C$ 846

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 17/9

12:40 p.m.-3:00 p.m.

Nonstop7h 20m

Ottawa

Sat 27/9

9:00 p.m.-8:35 a.m.

Nonstop6h 35m

C$ 847

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 3/9

6:40 p.m.-11:04 p.m.

2 stops33h 24m

Ottawa

Tue 16/9

11:05 a.m.-8:15 a.m.

2 stops40h 10m

C$ 856

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Tue 1/7

9:40 a.m.-12:21 a.m.

1 stop19h 41m

Ottawa

Tue 8/7

11:20 a.m.-7:55 a.m.

1 stop15h 35m

C$ 860

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 21/5

6:50 a.m.-1:50 p.m.

2 stops12h 00m

Ottawa

Sun 25/5

3:55 p.m.-5:05 p.m.

2 stops20h 10m

C$ 889

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/4

Showing 1-10 of 52 results

...

Best time to book a flight from United Kingdom to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from United Kingdom with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to Ottawa

What is the cheapest month to book a flight from United Kingdom to Ottawa?

Currently, October is the cheapest month in which you can book a flight from United Kingdom to Ottawa (average of C$ 224). Flying from United Kingdom to Ottawa in December is currently the most expensive (average of C$ 326). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from GB to YOW?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from United Kingdom to Ottawa as you normally would.

Rainfall in Ottawa by month

In terms of precipitation, rainfall in Ottawa ranges from 50.0 - 93.0 mm per month. June is typically the wettest month, when rainfall can reach 93.0 mm. February is typically the driest time to visit Ottawa when rainfall is around 50.0 mm.

Temperature in Ottawa by month

If weather is an important factor for your trip to Ottawa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -10.0 C).

Reviews of airlines servicing Ottawa

Get a feel of what it's like to fly with Delta, KLM and Air Transat from United Kingdom to Ottawa by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,920 reviews

Check prices

Reviews

1 / 20

6.0

Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

Delta

8.0

Very good

7,920 reviews

Delta

8.0

Very good

7,920 reviews

Check prices

Reviews

1 / 20

6.0

Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

KLM

7.8

Good

1,333 reviews

Delta

8.0

Very good

7,920 reviews

Check prices

Reviews

1 / 20

6.0

Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

Air Transat

7.8

Good

385 reviews

Delta

8.0

Very good

7,920 reviews

Check prices

Reviews

1 / 20

6.0

Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

LOT

7.6

Good

1,068 reviews

Delta

8.0

Very good

7,920 reviews

Check prices

Reviews

1 / 20

6.0

Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

Austrian Airlines

7.6

Good

780 reviews

Delta

8.0

Very good

7,920 reviews

Check prices

Reviews

1 / 20

6.0

Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

Related info for your journey

What airport do you fly into for flights to Ottawa from United Kingdom?
Located just 10.6 km from the city centre, Ottawa (YOW) is the airport most travelers will use when flying to Ottawa from United Kingdom.
What are the cheapest airlines to fly from United Kingdom to Ottawa one-way?
C$ 588 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Lufthansa and Air Transat, with prices starting from C$ 764 and C$ 767, respectively.
What are the most popular routes from United Kingdom to Ottawa?
While some choose either London City - Ottawa or London Gatwick - Ottawa, London Heathrow - Ottawa is the most popular route from United Kingdom to Ottawa.
What are the most reliable airlines from United Kingdom to Ottawa?
Before booking your flight to Ottawa from United Kingdom, check out the most reliable airlines to get you to your destination on time: Air Canada (100%), Aegean Airlines (100%), Austrian Airlines( 100%).
What are the cheapest flights from United Kingdom to Ottawa?
Looking for the cheapest flight from United Kingdom to Ottawa? While on average our users pay C$ 1,610, our data indicates the cheapest price to be C$ 575. The most popular route (London Heathrow - Ottawa), is priced around C$ 714.
Can I find deals for flights from United Kingdom to Ottawa that include hotel bookings?
Yes. In addition to deals on United Kingdom to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from United Kingdom to Ottawa?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Ottawa.
Can I find deals for business class flights from United Kingdom to Ottawa?
Yes. Cheapflights offers flight deals from United Kingdom to Ottawa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from United Kingdom to Ottawa?
Currently, October is the cheapest month in which you can book a flight from United Kingdom to Ottawa (average of C$ 224). Flying from United Kingdom to Ottawa in December is currently the most expensive (average of C$ 326). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Gatineau

Perth

Smiths Falls

Prescott

Brockville

Wakefield

Lanark

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from United Kingdom to Ottawa

Airline	Cheapest	Average	Flexibility	On-time
Air France	CheapestC$ 739	AverageC$ 968	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Air Canada	CheapestC$ 827	AverageC$ 1,047	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Lufthansa	CheapestC$ 857	AverageC$ 1,009	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights

Fly with Cheapflights

How does Cheapflights help users find flights from United Kingdom to Ottawa?

Cheapflights helps you search for flights from United Kingdom to Ottawa via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Ottawa?

Cheapflights simply makes it quick and affordable to book flights from United Kingdom to Ottawa by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from United Kingdom to Ottawa with no change fees?

Certainly. Search results for flights to Ottawa from United Kingdom shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from United Kingdom to Ottawa become cheaper?

Yes, Cheapflights offers price alerts on United Kingdom to Ottawa flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheapflights is completely free to use, so you can start saving the moment you arrive.

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Our users can plan ahead with confidence and find flights with no change fees

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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from the United Kingdom to Ottawa from C$ 417

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/5. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from United Kingdom to Ottawa

Keep the following information in mind while searching for United Kingdom to Ottawa flight deals. Data was last updated 25 April 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from United Kingdom to Ottawa

Cheapest flights from United Kingdom to OttawaExplore the most affordable flight options available from United Kingdom to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 April 2025.

Explore the most affordable flight options available from United Kingdom to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 April 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United Kingdom to Ottawa that are best for you.

Best time to book a flight from United Kingdom to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from United Kingdom with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to Ottawa

What is the cheapest month to book a flight from United Kingdom to Ottawa?

What is the cheapest time of day to fly from GB to YOW?

Find hourly flight availability from United Kingdom to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 25 April 2025.

Rainfall in Ottawa by month

Plan your trip to Ottawa by taking into account the average rainfall totals by month.

Temperature in Ottawa by month

Plan your trip to Ottawa by taking into account the average temperature totals by month.

Reviews of airlines servicing Ottawa

Get insights into the airlines that provide service to Ottawa. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ottawa. Reviews last updated 25 April 2025.

Get a feel of what it's like to fly with Delta, KLM and Air Transat from United Kingdom to Ottawa by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to Ottawa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Ottawa from United Kingdom?

What are the cheapest airlines to fly from United Kingdom to Ottawa one-way?

What are the most popular routes from United Kingdom to Ottawa?

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What are the cheapest flights from United Kingdom to Ottawa?

Can I find deals for flights from United Kingdom to Ottawa that include hotel bookings?

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Alternative routes for United Kingdom to Ottawa

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Top 3 airlines flying from United Kingdom to Ottawa

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Cheapest flights from United Kingdom to Ottawa
Explore the most affordable flight options available from United Kingdom to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 April 2025.