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Cheap flights from London to Ottawa from C$ 404

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 16/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — YOW
23 Dec — 30 Dec1
1 adult

The best prices from London to Ottawa are usually found in February or January, booked 40 days in advance, depart on a Monday or Wednesday and return on a Sunday

Cheap flight deals from London to Ottawa

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Ottawa (YOW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 December 2024.

Round-trip from

C$ 853

One-way from

C$ 404

Popular in

August

Cheapest in

February

Average price

C$ 1,313
Air France
  • Air France
  • 14/1-21/1
  • 2 total stops
  • 23h 30m total
  • London to Ottawa
Search Deals
16/1
  • 16/1
  • 2 total stops
  • 22h 45m total
  • London to Ottawa
Search Deals
High demand for flights, 13% potential price rise
Search Deals
Best time to find cheap flights, 2% potential price drop
Search Deals
Average for round-trip flights in December 2024
Search Deals

Find flight deals from London to Ottawa

Cheapest flights from London to Ottawa
Explore the most affordable flight options available from London to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2024.

Tue 24/127:35 p.m.LHR - YOW
1 stop24h 35mMultiple Airlines
Tue 14/15:20 p.m.YOW - LHR
2 stops12h 25mMultiple Airlines
Deal found 17/12C$ 878
Tue 24/125:35 p.m.LHR - YOW
1 stop26h 35mAir France
Tue 31/125:20 p.m.YOW - LHR
1 stop23h 05mAir France
Deal found 18/12C$ 900
Tue 24/121:30 p.m.LHR - YOW
2 stops15h 02mLufthansa
Tue 14/14:00 p.m.YOW - LHR
1 stop11h 30mLufthansa
Deal found 17/12C$ 1,031
Mon 30/126:00 p.m.LHR - YOW
1 stop20h 17mAir Canada
Thu 9/15:35 p.m.YOW - LHR
1 stop22h 00mAir Canada
Deal found 17/12C$ 1,038
Tue 24/128:05 p.m.LHR - YOW
2 stops28h 17mSWISS
Tue 14/14:00 p.m.YOW - LHR
2 stops20h 50mSWISS
Deal found 17/12C$ 1,043
Tue 24/126:45 p.m.LGW - YOW
2 stops29h 37mSWISS
Tue 14/14:00 p.m.YOW - LGW
2 stops20h 50mSWISS
Deal found 17/12C$ 1,133
Tue 24/121:30 p.m.LHR - YOW
2 stops29h 59mUnited Airlines
Tue 31/126:20 a.m.YOW - LHR
2 stops19h 20mUnited Airlines
Deal found 17/12C$ 1,188
Sun 22/123:00 p.m.LHR - YOW
1 stop29h 10mVirgin Atlantic
Sun 26/15:20 p.m.YOW - LHR
1 stop18h 15mVirgin Atlantic
Deal found 18/12C$ 1,201
Sun 22/128:05 p.m.LCY - YOW
2 stops48h 05mKLM
Sun 26/15:55 a.m.YOW - LCY
2 stops21h 55mKLM
Deal found 18/12C$ 1,265
Tue 24/1211:45 a.m.LHR - YOW
2 stops17h 25mKLM
Tue 31/125:20 p.m.YOW - LHR
2 stops12h 25mKLM
Deal found 18/12C$ 1,288
Tue 24/1211:40 a.m.LGW - YOW
1 stop32h 32mAir Transat
Tue 14/16:20 a.m.YOW - LGW
1 stop22h 25mAir Transat
Deal found 17/12C$ 1,330
Tue 24/127:20 p.m.LGW - YOW
3 stops33h 12mMultiple Airlines
Tue 14/16:15 a.m.YOW - LGW
2 stops32h 25mMultiple Airlines
Deal found 17/12C$ 1,397

Find flights from London to Ottawa within your budget

Customize your flight search to find flights from London to Ottawa that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 18 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Tue 14/1

6:20 a.m.-3:10 p.m.

1 stop13h 50m

Ottawa

Tue 21/1

5:20 p.m.-8:00 a.m.

1 stop9h 40m

C$ 853

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Fri 31/1

11:40 a.m.-12:40 a.m.

1 stop18h 00m

Ottawa

Fri 7/2

2:50 p.m.-9:45 a.m.

1 stop13h 55m

C$ 854

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 15/1

2:50 p.m.-5:33 a.m.

2 stops19h 43m

Ottawa

Wed 22/1

6:15 a.m.-12:50 p.m.

1 stop25h 35m

C$ 858

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 31/1

6:30 a.m.-12:45 a.m.

2 stops23h 15m

Ottawa

Fri 7/2

8:10 p.m.-9:20 a.m.

2 stops32h 10m

C$ 860

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Mon 20/1

6:30 a.m.-3:10 p.m.

2 stops13h 40m

Ottawa

Mon 27/1

5:20 p.m.-10:45 a.m.

2 stops12h 25m

C$ 881

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Wed 5/2

8:15 a.m.-2:08 p.m.

3 stops34h 53m

Ottawa

Mon 10/2

6:15 a.m.-7:40 p.m.

2 stops32h 25m

C$ 921

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 15/1

1:30 p.m.-11:47 p.m.

2 stops15h 17m

Ottawa

Wed 22/1

2:45 p.m.-9:45 a.m.

2 stops14h 00m

C$ 967

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Tue 14/1

6:45 p.m.-7:22 p.m.

2 stops29h 37m

Ottawa

Tue 21/1

4:00 p.m.-5:50 p.m.

2 stops20h 50m

C$ 971

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 8/1

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

1 stop12h 56m

Ottawa

Wed 22/1

4:45 p.m.-7:10 a.m.

1 stop9h 25m

C$ 974

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 8/1

7:00 a.m.-10:08 p.m.

2 stops20h 08m

Ottawa

Wed 22/1

11:00 a.m.-8:05 a.m.

2 stops16h 05m

C$ 1,001

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/12

Showing 1-10 of 42 results
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Best time to book a flight from London to Ottawa

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from London to Ottawa. Price data was last updated on 13 December 2024.

The price you pay for your flight from London to Ottawa may vary depending on when you book. For the best chance of a lower fare, look to book 40 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 to Ottawa?

Currently, October is the cheapest month in which you can book a flight from London to Ottawa (average of C$ 224). Flying from London to Ottawa in March is currently the most expensive (average of C$ 363). 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 LON to YOW?

Find hourly flight availability from London 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 18 December 2024.

A simple way to save on the total cost of your ticket is to fly from London to Ottawa in the morning. If you’re flexible enough to do this you can expect to save up to 11% on your trip compared to booking a flight at noon.

Rainfall in Ottawa by month

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

Plan your trip to Ottawa by taking into account the average temperature totals 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 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 18 December 2024.
Peruse reviews from past customers who have flown with Air Transat, Air Canada and SWISS from London to Ottawa to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,349 reviews
Check prices

Overall

7.8

Boarding

7.9

Crew

8.4

Food

7.3

Comfort

7.7

Entertainment

7.2

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

KLM
7.8
Good
1,349 reviews
KLM
7.8
Good
1,349 reviews
Check prices

Overall

7.8

Boarding

7.9

Crew

8.4

Food

7.3

Comfort

7.7

Entertainment

7.2

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

Air Transat
7.8
Good
389 reviews
KLM
7.8
Good
1,349 reviews
Check prices

Overall

7.8

Boarding

7.9

Crew

8.4

Food

7.3

Comfort

7.7

Entertainment

7.2

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

LOT
7.6
Good
1,133 reviews
KLM
7.8
Good
1,349 reviews
Check prices

Overall

7.8

Boarding

7.9

Crew

8.4

Food

7.3

Comfort

7.7

Entertainment

7.2

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

SWISS
7.6
Good
1,606 reviews
KLM
7.8
Good
1,349 reviews
Check prices

Overall

7.8

Boarding

7.9

Crew

8.4

Food

7.3

Comfort

7.7

Entertainment

7.2

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

Virgin Atlantic
7.5
Good
668 reviews
KLM
7.8
Good
1,349 reviews
Check prices

Overall

7.8

Boarding

7.9

Crew

8.4

Food

7.3

Comfort

7.7

Entertainment

7.2

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

Related info for your journey

Find useful and relevant information for your journey from London 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?

    Ottawa (YOW), located 10.6 km from the city centre, is the airport you fly into when you book flights from London to Ottawa. 3 airlines have flights to Ottawa from London on a regular basis. Booking flights from London to Ottawa should not be difficult; the airport handles an average of 0 inbound flights from London per day.

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

    Our cheapest airline available from London to Ottawa is Air France. Our recent data shows that you can find tickets from as low as C$ 853 on this airline. Additional options worth looking into are Air Transat and WestJet, starting at C$ 854 and C$ 858 round-trip. These flights start at 21% lower than the current average price 3 months from now.

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

    C$ 504 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Air Transat and Aer Lingus, with prices starting from C$ 758 and C$ 973, respectively.

  • What are the most popular routes from London to Ottawa?

    When deciding which route to take from London to Ottawa consider London Heathrow - Ottawa, London Gatwick - Ottawa or London City - Ottawa as they are the most popular.

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

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

  • How can I find direct flights from London to Ottawa?

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

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

    Yes. Cheapflights offers flight deals from London 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 to Ottawa?

    Currently, October is the cheapest month in which you can book a flight from London to Ottawa (average of C$ 224). Flying from London to Ottawa in March is currently the most expensive (average of C$ 363). 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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Alternative routes for London to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.
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Manchester to Ottawa flights
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Bristol to Pierre Elliott Trudeau Intl flights

Top 3 airlines flying from London to Ottawa

Discover the top 3 airlines that operate flights from London to Ottawa. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 18 December 2024.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapestC$ 381AverageC$ 955FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air TransatCheapestC$ 844AverageC$ 870FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapestC$ 1,002AverageC$ 1,173FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

When you search for this flight from London 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 London to Ottawa?

Cheapflights helps you find that perfect flight to Ottawa from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Ottawa flexibly with Cheapflights today.

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

Yes! Start tracking prices for London to Ottawa flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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