What are the cheapest airlines flying from London Heathrow Airport to Ottawa round-trip?

Virgin Atlantic, at C$ 744, was found to be the cheapest airline from London Heathrow Airport to Ottawa.Alternate airlines to your destination round-trip include KLM and Air Canada. Users have found that Virgin Atlantic is 33% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from London Heathrow Airport to Ottawa one-way?

C$ 598 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 Aer Lingus, with prices starting from C$ 926 and C$ 959, respectively.

What is the cheapest day to fly from London Heathrow Airport to Ottawa?

Travelers seeking maximum savings on their London Heathrow Airport to Ottawa flight should consider departing on Monday at noon when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the cheapest flights from London Heathrow Airport to Ottawa?

Looking for the cheapest flight from London Heathrow Airport to Ottawa? While on average our users pay C$ 1,906, our data indicates the cheapest price to be C$ 975. The most popular route (London Heathrow - Ottawa), is priced around C$ 698.

What is the cheapest day to fly round-trip from London Heathrow Airport to Ottawa?

Sunday is generally a great day to depart. Flying on this day could help you save up to 50%.

How far in advance should I book a flight from London Heathrow Airport to Ottawa?

Find a great deal and save up to 39% by booking at least 43 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from London Heathrow Airport to Ottawa within the next two weeks, with the cheapest ticket starting at C$ 1,034.

What is the cheapest month to fly from London Heathrow Airport 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 London Heathrow Airport in January are about C$ 1,077 on average during January, but can be found for as low as C$ 712.

What airport do you fly into for flights to Ottawa from London Heathrow?

Located just 10.6 km from the city centre, Ottawa is the airport most travellers will use when flying to Ottawa from London Heathrow. Booking flights from London Heathrow to Ottawa (YOW) should be relatively easy as there are 0 daily inbound flights from London Heathrow from 2 different airlines.

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

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

How can I find direct flights from Heathrow to Ottawa?

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

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

Yes. Cheapflights offers flight deals from Heathrow 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$ 507+ Flights from London Heathrow Airport to Ottawa

The best prices from London Heathrow to Ottawa are usually found in February or March, booked 82 days in advance, depart on a Monday or Wednesday and return on a Friday

Cheap flight deals from Heathrow to Ottawa

Round-trip from	C$ 729
One-way from	C$ 507
Popular in	August
Cheapest in	February
Average price	C$ 960
Good round-trip deal	C$ 984 or less
Good one-way deal	C$ 1,076 or less

Air France
9/5-12/5
2 total stops
29h 52m total
London to Ottawa

Search Deals

21/5
2 total stops
23h 07m total
London to Ottawa

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (C$ 242 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 50 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in February 2025

Search Deals

Price to beat on a round-trip flight from London Heathrow to Ottawa.

Search Deals

Price to beat on a one-way flight from London Heathrow to Ottawa.

Search Deals

Find flight deals from Heathrow to Ottawa

Cheapest flights from Heathrow to Ottawa
Explore the most affordable flight options available from Heathrow to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 February 2025.

Fri 9/55:50 p.m.LHR - YOW

1 stop11h 32mMultiple Airlines

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

1 stop18h 20mMultiple Airlines

Deal found 19/2C$ 729

Mon 3/32:45 p.m.LHR - YOW

1 stop29h 25mVirgin Atlantic

Mon 10/36:20 p.m.YOW - LHR

1 stop15h 25mVirgin Atlantic

Deal found 19/2C$ 744

Fri 9/55:50 p.m.LHR - YOW

1 stop11h 32mKLM

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

2 stops12h 30mKLM

Deal found 19/2C$ 773

Tue 25/29:00 a.m.LHR - YOW

1 stop11h 10mAir France

Mon 31/35:15 p.m.YOW - LHR

1 stop15h 30mAir France

Deal found 19/2C$ 804

Thu 20/39:00 a.m.LHR - YOW

1 stop11h 56mAir Canada

Thu 27/32:45 p.m.YOW - LHR

1 stop12h 25mAir Canada

Deal found 20/2C$ 810

Tue 22/47:25 a.m.LHR - YOW

2 stops14h 59mLufthansa

Wed 14/58:55 p.m.YOW - LHR

1 stop8h 05mLufthansa

Deal found 20/2C$ 818

Tue 13/56:40 p.m.LHR - YOW

2 stops31h 29mSWISS

Sun 18/51:55 p.m.YOW - LHR

2 stops22h 55mSWISS

Deal found 20/2C$ 884

Wed 2/47:25 a.m.LHR - YOW

2 stops21h 28mUnited Airlines

Thu 10/46:33 a.m.YOW - LHR

2 stops18h 22mUnited Airlines

Deal found 19/2C$ 895

Mon 19/56:50 a.m.LHR - YOW

2 stops11h 55mBrussels Airlines

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

2 stops24h 00mBrussels Airlines

Deal found 19/2C$ 935

Sat 29/36:00 a.m.LHR - YOW

2 stops17h 22mAustrian Airlines

Sat 12/44:00 p.m.YOW - LHR

1 stop14h 50mAustrian Airlines

Deal found 18/2C$ 1,038

Best flights from Heathrow to Ottawa
Discover carefully curated flight deals from Heathrow to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 20 February 2025.

Fri 9/55:50 p.m.LHR - YOW

1 stop11h 32mMultiple Airlines

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

1 stop18h 20mMultiple Airlines

Deal found 19/2C$ 729

Mon 3/32:45 p.m.LHR - YOW

1 stop29h 25mVirgin Atlantic

Mon 10/36:20 p.m.YOW - LHR

1 stop15h 25mVirgin Atlantic

Deal found 19/2C$ 744

Fri 9/55:50 p.m.LHR - YOW

1 stop11h 32mKLM

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

2 stops12h 30mKLM

Deal found 19/2C$ 773

Thu 20/39:00 a.m.LHR - YOW

1 stop11h 56mAir Canada

Thu 27/32:45 p.m.YOW - LHR

1 stop12h 25mAir Canada

Deal found 20/2C$ 810

Tue 22/47:25 a.m.LHR - YOW

2 stops14h 59mLufthansa

Wed 14/58:55 p.m.YOW - LHR

1 stop8h 05mLufthansa

Deal found 20/2C$ 818

Mon 2/65:35 p.m.LHR - YOW

1 stop26h 30mAir France

Thu 12/65:15 p.m.YOW - LHR

1 stop18h 20mAir France

Deal found 19/2C$ 860

Tue 13/56:40 p.m.LHR - YOW

2 stops31h 29mSWISS

Sun 18/51:55 p.m.YOW - LHR

2 stops22h 55mSWISS

Deal found 20/2C$ 884

Wed 2/47:25 a.m.LHR - YOW

2 stops21h 28mUnited Airlines

Thu 10/46:33 a.m.YOW - LHR

2 stops18h 22mUnited Airlines

Deal found 19/2C$ 895

Fri 30/56:50 a.m.LHR - YOW

2 stops11h 55mBrussels Airlines

Sat 7/67:55 p.m.YOW - LHR

1 stop29h 40mBrussels Airlines

Deal found 19/2C$ 925

Sat 29/36:00 a.m.LHR - YOW

2 stops17h 22mAustrian Airlines

Sat 12/44:00 p.m.YOW - LHR

1 stop14h 50mAustrian Airlines

Deal found 18/2C$ 1,038

Wed 23/712:25 p.m.LHR - YOW

2 stops16h 57mDelta

Fri 12/95:55 a.m.YOW - LHR

2 stops20h 20mDelta

Deal found 20/2C$ 1,594

Direct flights from Heathrow to Ottawa
Explore direct flight options from Heathrow to Ottawa based on user searches, and compare prices and availability for your desired travel dates. Data last updated 20 February 2025.

Mon 21/42:05 p.m.LHR - YOW

Nonstop7h 20mAir Canada

Mon 28/46:55 p.m.YOW - LHR

Nonstop6h 35mAir Canada

Deal found 19/2C$ 813

Thu 29/52:05 p.m.LHR - YOW

Nonstop7h 20mLufthansa

Mon 2/66:55 p.m.YOW - LHR

Nonstop6h 35mLufthansa

Deal found 19/2C$ 919

Last-minute flights from Heathrow to Ottawa
Discover last-minute flight deals from Heathrow to Ottawa. Data last updated 20 February 2025 and is based on user searches.

Tue 25/29:00 a.m.LHR - YOW

1 stop11h 10mAir France

Mon 31/35:15 p.m.YOW - LHR

1 stop15h 30mAir France

Deal found 19/2C$ 804

Tue 25/26:30 a.m.LHR - YOW

2 stops13h 40mMultiple Airlines

Mon 31/35:15 p.m.YOW - LHR

1 stop15h 30mMultiple Airlines

Deal found 19/2C$ 841

Tue 25/26:30 a.m.LHR - YOW

2 stops13h 40mKLM

Mon 31/35:15 p.m.YOW - LHR

2 stops12h 30mKLM

Deal found 19/2C$ 885

Tue 25/29:10 a.m.LHR - YOW

2 stops17h 14mUnited Airlines

Sun 2/311:25 a.m.YOW - LHR

2 stops14h 30mUnited Airlines

Deal found 19/2C$ 1,097

Fri 28/211:10 a.m.LHR - YOW

1 stop11h 12mAir Canada

Mon 31/37:15 a.m.YOW - LHR

1 stop8h 45mAir Canada

Deal found 19/2C$ 820

Fri 28/211:10 a.m.LHR - YOW

1 stop14h 06mLufthansa

Mon 31/311:00 a.m.YOW - LHR

2 stops14h 35mLufthansa

Deal found 19/2C$ 878

Fri 28/27:25 p.m.LHR - YOW

2 stops27h 02mAustrian Airlines

Fri 14/36:10 p.m.YOW - LHR

2 stops38h 55mAustrian Airlines

Deal found 19/2C$ 1,064

Mon 3/32:45 p.m.LHR - YOW

1 stop29h 25mVirgin Atlantic

Mon 10/36:20 p.m.YOW - LHR

1 stop15h 25mVirgin Atlantic

Deal found 19/2C$ 744

Mon 3/36:30 a.m.LHR - YOW

2 stops13h 40mMultiple Airlines

Mon 10/36:20 p.m.YOW - LHR

1 stop15h 25mMultiple Airlines

Deal found 19/2C$ 813

Mon 3/36:30 a.m.LHR - YOW

2 stops13h 40mKLM

Mon 10/36:20 p.m.YOW - LHR

2 stops15h 30mKLM

Deal found 19/2C$ 842

Sat 15/310:25 a.m.LHR - YOW

2 stops19h 12mLOT

Tue 15/47:05 p.m.YOW - LHR

2 stops33h 15mLOT

Deal found 19/2C$ 1,926

Thu 20/39:00 a.m.LHR - YOW

1 stop11h 56mAir Canada

Thu 27/32:45 p.m.YOW - LHR

1 stop12h 25mAir Canada

Deal found 20/2C$ 810

One-way flights from Heathrow to Ottawa
Search for one-way flight options from Heathrow to Ottawa. Find affordable one-way fares based on user searches. Data last updated 20 February 2025.

Wed 21/56:15 a.m.LHR - YOW

2 stops23h 07mMultiple Airlines

Deal found 19/2C$ 507

Tue 4/32:50 p.m.LHR - YOW

1 stop14h 54mWestJet

Deal found 19/2C$ 598

Wed 16/412:40 p.m.LHR - YOW

Nonstop7h 20mLufthansa

Deal found 19/2C$ 926

Sat 1/37:50 a.m.LHR - YOW

2 stops16h 32mAer Lingus

Deal found 19/2C$ 959

Fri 23/55:50 p.m.LHR - YOW

1 stop11h 32mDelta

Deal found 19/2C$ 1,679

Find flights from Heathrow to Ottawa within your budget

Fly from

Fly to

Route

Depart

Return

Price

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 9/5

5:50 p.m.-12:22 a.m.

1 stop11h 32m

Ottawa

Mon 12/5

5:15 p.m.-4:35 p.m.

1 stop18h 20m

C$ 729

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Mon 3/3

2:45 p.m.-3:10 p.m.

1 stop29h 25m

Ottawa

Mon 10/3

6:20 p.m.-1:45 p.m.

1 stop15h 25m

C$ 744

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 9/5

5:50 p.m.-12:22 a.m.

1 stop11h 32m

Ottawa

Mon 12/5

5:15 p.m.-10:45 a.m.

2 stops12h 30m

C$ 773

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Thu 20/3

9:00 a.m.-4:56 p.m.

1 stop11h 56m

Ottawa

Thu 27/3

2:45 p.m.-7:10 a.m.

1 stop12h 25m

C$ 810

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Tue 22/4

7:25 a.m.-5:24 p.m.

2 stops14h 59m

Ottawa

Wed 14/5

8:55 p.m.-10:00 a.m.

1 stop8h 05m

C$ 818

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Mon 2/6

5:35 p.m.-3:05 p.m.

1 stop26h 30m

Ottawa

Thu 12/6

5:15 p.m.-4:35 p.m.

1 stop18h 20m

C$ 860

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Tue 13/5

6:40 p.m.-9:09 p.m.

2 stops31h 29m

Ottawa

Sun 18/5

1:55 p.m.-5:50 p.m.

2 stops22h 55m

C$ 884

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 2/4

7:25 a.m.-11:53 p.m.

2 stops21h 28m

Ottawa

Thu 10/4

6:33 a.m.-5:55 a.m.

2 stops18h 22m

C$ 895

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 30/5

6:50 a.m.-1:45 p.m.

2 stops11h 55m

Ottawa

Sat 7/6

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

1 stop29h 40m

C$ 925

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Sat 29/3

6:00 a.m.-7:22 p.m.

2 stops17h 22m

Ottawa

Sat 12/4

4:00 p.m.-11:50 a.m.

1 stop14h 50m

C$ 1,038

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/2

Showing 1-10 of 16 results

Best time to book a flight from Heathrow to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Heathrow 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.

Travel insights for flights from Heathrow to Ottawa

Get recent, data-driven insights about flights from Heathrow to Ottawa including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from London Heathrow Airport to Ottawa?

The price you pay for your flight from London Heathrow Airport to Ottawa may vary depending on when you book. For the best chance of a lower fare, look to book 82 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from London Heathrow Airport to Ottawa?

Currently, October is the cheapest month in which you can book a flight from London Heathrow Airport to Ottawa (average of C$ 224). Flying from London Heathrow Airport to Ottawa in March is currently the most expensive (average of C$ 329). 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 LHR to YOW?

It’s typically best to fly out from London Heathrow Airport to Ottawa at noon. Doing so could potentially save you 22% on the flight price compared to flying in the morning, which is usually more expensive.

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

See what other customers who have flown with Delta, KLM and Austrian Airlines from London to Ottawa have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

8,227 reviews

Check prices

Reviews

1 / 20

6.0

Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Delta

8.0

Very good

8,227 reviews

Delta

8.0

Very good

8,227 reviews

Check prices

Reviews

1 / 20

6.0

Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

KLM

7.8

Good

1,333 reviews

Delta

8.0

Very good

8,227 reviews

Check prices

Reviews

1 / 20

6.0

Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Austrian Airlines

7.6

Good

774 reviews

Delta

8.0

Very good

8,227 reviews

Check prices

Reviews

1 / 20

6.0

Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

SWISS

7.5

Good

1,572 reviews

Delta

8.0

Very good

8,227 reviews

Check prices

Reviews

1 / 20

6.0

Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Virgin Atlantic

7.5

Good

654 reviews

Delta

8.0

Very good

8,227 reviews

Check prices

Reviews

1 / 20

6.0

Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Related info for your journey

What airport do you fly into for flights to Ottawa from London Heathrow?
Located just 10.6 km from the city centre, Ottawa is the airport most travellers will use when flying to Ottawa from London Heathrow. Booking flights from London Heathrow to Ottawa (YOW) should be relatively easy as there are 0 daily inbound flights from London Heathrow from 2 different airlines.
What are the cheapest airlines flying from London Heathrow Airport to Ottawa round-trip?
Virgin Atlantic, at C$ 744, was found to be the cheapest airline from London Heathrow Airport to Ottawa.Alternate airlines to your destination round-trip include KLM and Air Canada. Users have found that Virgin Atlantic is 33% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from London Heathrow Airport to Ottawa one-way?
C$ 598 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 Aer Lingus, with prices starting from C$ 926 and C$ 959, respectively.
What are the cheapest flights from London Heathrow Airport to Ottawa?
Looking for the cheapest flight from London Heathrow Airport to Ottawa? While on average our users pay C$ 1,906, our data indicates the cheapest price to be C$ 975. The most popular route (London Heathrow - Ottawa), is priced around C$ 698.
Can I find deals for flights from Heathrow to Ottawa that include hotel bookings?
Yes. In addition to deals on Heathrow to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Heathrow to Ottawa?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Ottawa.
Can I find deals for business class flights from Heathrow to Ottawa?
Yes. Cheapflights offers flight deals from Heathrow 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 London Heathrow Airport to Ottawa?
Currently, October is the cheapest month in which you can book a flight from London Heathrow Airport to Ottawa (average of C$ 224). Flying from London Heathrow Airport to Ottawa in March is currently the most expensive (average of C$ 329). 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

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Smiths Falls

Prescott

Brockville

Wakefield

Lanark

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Alternative routes for Heathrow to Ottawa

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Direct flights to Ontario

Direct flights to Ottawa

Direct flights to Toronto

Direct flights to Thunder Bay

Direct flights to London

Direct flights to Windsor

Direct flights to Timmins

Direct flights to Sudbury

Direct flights to Sault Ste Marie

Direct flights to North Bay

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Direct flights to Red Lake

Direct flights to Moosonee

Direct flights to Montreal

Direct flights to Fort Frances

Other flights to Ottawa

Top 2 airlines flying from Heathrow to Ottawa

Airline	Cheapest	Average	Flexibility	On-time
Air France	CheapestC$ 819	AverageC$ 1,010	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Air Canada	CheapestC$ 963	AverageC$ 1,164	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

Fly with Cheapflights

How does Cheapflights help users find flights from Heathrow to Ottawa?

When you search for this flight from Heathrow to Ottawa, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Ottawa for you. Better yet — we are completely free to use.

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

Yes! Cheapflights helps users easily find flights from Heathrow to Ottawa with no change fees.

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

Not ready to book yet? You can track prices for flights from Heathrow to Ottawa on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from London Heathrow Airport to Ottawa from C$ 507

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 21/5. Fares are subject to change and may not be available on all flights or dates of travel.

The best prices from London Heathrow to Ottawa are usually found in February or March, booked 82 days in advance, depart on a Monday or Wednesday and return on a Friday

Cheap flight deals from Heathrow to Ottawa

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Heathrow to Ottawa

Cheapest flights from Heathrow to OttawaExplore the most affordable flight options available from Heathrow to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 February 2025.

Explore the most affordable flight options available from Heathrow to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 February 2025.

Find flights from Heathrow to Ottawa within your budget

Best time to book a flight from Heathrow to Ottawa

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

Travel insights for flights from Heathrow to Ottawa

Get recent, data-driven insights about flights from Heathrow to Ottawa including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from London Heathrow Airport to Ottawa?

Use this chart to determine the optimal time to book a round-trip flight from Heathrow to Ottawa. Price data was last updated on 14 February 2025.

What is the cheapest month to book a flight from London Heathrow Airport to Ottawa?

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

Find hourly flight availability from Heathrow 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 20 February 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

See what other customers who have flown with Delta, KLM and Austrian Airlines from London to Ottawa have to say. You can also see how each airline compares 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 Heathrow 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 London Heathrow?

What are the cheapest airlines flying from London Heathrow Airport to Ottawa round-trip?

What are the cheapest airlines to fly from London Heathrow Airport to Ottawa one-way?

What are the cheapest flights from London Heathrow Airport to Ottawa?

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

How can I find direct flights from Heathrow to Ottawa?

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

What is the cheapest month to book a flight from London Heathrow Airport to Ottawa?

Travelling to a place near London Heathrow Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Heathrow to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Heathrow to Ottawa

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Cheapest flights from Heathrow to Ottawa
Explore the most affordable flight options available from Heathrow to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 February 2025.