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Cheap flights from London to Ottawa from £223

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
24 Dec — 31 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 Tuesday 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 19 December 2024.

Round-trip from

£471

One-way from

£223

Popular in

August

Cheapest in

February

Average price

£725
Air France
  • Air France
  • 14/1-21/1
  • 2 total stops
  • 23h 30m total
  • London to Ottawa
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16/1
  • 16/1
  • 2 total stops
  • 22h 45m total
  • London to Ottawa
Search Deals
High demand for flights, 13% potential price rise
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Best time to find cheap flights, 2% potential price drop
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Average for round-trip flights in December 2024
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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 19 December 2024.

Tue 24/1217:35LHR - YOW
1 stop26h 35mAir France
Tue 31/1217:20YOW - LHR
1 stop23h 05mAir France
Deal found 18/12£497
Tue 24/1219:35LHR - YOW
1 stop24h 35mMultiple Airlines
Tue 31/1217:20YOW - LHR
2 stops12h 25mMultiple Airlines
Deal found 18/12£558
Tue 24/1218:45LGW - YOW
2 stops29h 37mSWISS
Tue 14/116:00YOW - LGW
2 stops20h 50mSWISS
Deal found 17/12£625
Sun 22/1215:00LHR - YOW
1 stop29h 10mVirgin Atlantic
Sun 26/117:20YOW - LHR
1 stop18h 15mVirgin Atlantic
Deal found 18/12£663
Sun 22/1220:05LCY - YOW
2 stops48h 05mKLM
Sun 26/105:55YOW - LCY
2 stops21h 55mKLM
Deal found 18/12£699
Tue 24/1211:45LHR - YOW
2 stops17h 25mKLM
Tue 31/1217:20YOW - LHR
2 stops12h 25mKLM
Deal found 18/12£711
Tue 24/1211:40LGW - YOW
1 stop32h 32mAir Transat
Tue 14/106:20YOW - LGW
1 stop22h 25mAir Transat
Deal found 17/12£734
Tue 24/1219:20LGW - YOW
3 stops33h 12mMultiple Airlines
Tue 14/106:15YOW - LGW
2 stops32h 25mMultiple Airlines
Deal found 17/12£771
Thu 19/1206:30LHR - YOW
2 stops22h 02mLOT
Sat 18/120:15YOW - LHR
2 stops16h 05mLOT
Deal found 18/12£861
Sat 21/1219:25LHR - YOW
2 stops31h 43mAustrian Airlines
Wed 15/111:35YOW - LHR
2 stops26h 05mAustrian Airlines
Deal found 18/12£888
Sat 21/1214:30LHR - YOW
1 stop14h 02mAir Canada
Wed 15/117:35YOW - LHR
1 stop22h 00mAir Canada
Deal found 18/12£939
Sat 21/1214:30LHR - YOW
1 stop14h 02mLufthansa
Wed 15/114:45YOW - LHR
2 stops17h 15mLufthansa
Deal found 18/12£941

Find flights from London to Ottawa within your budget

Customise 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 858,174 searches. Data last updated 19 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Fri 31/1

11:40-00:40

1 stop18h 00m

Ottawa

Fri 7/2

14:50-09:45

1 stop13h 55m

£472

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Mon 24/3

14:45-00:09

2 stops13h 24m

Ottawa

Sun 27/4

17:15-10:45

2 stops12h 30m

£473

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 15/1

14:50-05:33

2 stops19h 43m

Ottawa

Wed 22/1

06:15-12:50

1 stop25h 35m

£474

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Thu 6/3

06:20-15:10

1 stop13h 50m

Ottawa

Tue 11/3

18:20-08:00

1 stop9h 40m

£494

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Wed 5/2

08:15-14:08

3 stops34h 53m

Ottawa

Mon 10/2

06:15-19:40

2 stops32h 25m

£509

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Thu 6/3

06:30-15:10

2 stops13h 40m

Ottawa

Tue 11/3

18:20-10:45

2 stops12h 25m

£517

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 15/1

13:30-23:47

2 stops15h 17m

Ottawa

Wed 22/1

14:45-09:45

2 stops14h 00m

£534

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Tue 14/1

18:45-19:22

2 stops29h 37m

Ottawa

Tue 21/1

16:00-17:50

2 stops20h 50m

£536

LondonOttawa

LCY - YOW

LCYYOW

London City

Sat 8/2

10:00-00:09

2 stops19h 09m

Ottawa

Sun 16/2

05:55-08:10

2 stops21h 15m

£545

LondonOttawa

LCY - YOW

LCYYOW

London City

Wed 15/1

13:30-19:22

2 stops34h 52m

Ottawa

Wed 22/1

11:00-12:50

2 stops20h 50m

£562

Flights are sorted by cheapest return flights first.

Deals found on 18/12

Showing 1-10 of 40 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 return 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 return flight from London to Ottawa. Price data was last updated on 13 December 2024.

To ensure you get the cheapest price possible for a flight from London to Ottawa, you should look to book at least 40 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from London to Ottawa (average of £588). Flying from London to Ottawa in June is currently the most expensive (average of £760). 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 19 December 2024.

It’s typically best to fly out from London to Ottawa in the evening. Doing so could potentially save you 18% on the flight price compared to flying at midday, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly return from London to Ottawa. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London to Ottawa flight should consider departing on Wednesday at midday when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 inches 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 19 December 2024.
Read reviews from past customers who have flown Air Transat, SWISS and WestJet from London to Ottawa. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,349 reviews
Check prices

Food

7.3

Entertainment

7.2

Crew

8.4

Overall

7.8

Boarding

7.9

Comfort

7.7

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

Food

7.3

Entertainment

7.2

Crew

8.4

Overall

7.8

Boarding

7.9

Comfort

7.7

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
388 reviews
KLM
7.8
Good
1,349 reviews
Check prices

Food

7.3

Entertainment

7.2

Crew

8.4

Overall

7.8

Boarding

7.9

Comfort

7.7

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
1,129 reviews
KLM
7.8
Good
1,349 reviews
Check prices

Food

7.3

Entertainment

7.2

Crew

8.4

Overall

7.8

Boarding

7.9

Comfort

7.7

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
1,605 reviews
KLM
7.8
Good
1,349 reviews
Check prices

Food

7.3

Entertainment

7.2

Crew

8.4

Overall

7.8

Boarding

7.9

Comfort

7.7

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

Food

7.3

Entertainment

7.2

Crew

8.4

Overall

7.8

Boarding

7.9

Comfort

7.7

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?

    If you book a flight to Ottawa from London, you will be flying to Ottawa, which is the city’s only airport. Ottawa (YOW) is located 6.6 mi from the center of Ottawa. There are 0 flights from London to Ottawa per day from 7 different airlines.

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

    Air France, at £471, was found to be the cheapest airline from London to Ottawa.Alternate airlines flying return to your destination include Air Transat and WestJet. Users have found that Air France is 21% cheaper than the other options available to this destination.

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

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as £278. Users have also found prices from £419 and £562 on Air Transat and Air Canada, 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.

  • What are the cheapest flights from London to Ottawa?

    Looking for the cheapest flight from London to Ottawa? While on average our users pay £1,544, our data indicates the cheapest price to be £401. The most popular route (London Heathrow - Ottawa), is priced around £390.

  • Where are the most common stopover locations when flying from London to Ottawa?

    London to Ottawa flights have a stopover in Paris most of the time. Paris is followed by Montreal in terms of the most popular stopover location on flights from London to Ottawa.

  • What are some popular things to do or see while on a stopover in Paris?

    Most Paris visitors opt to spend their time experiencing Eiffel Tower, Champs-Elysées, and Arc De Triomphe. Eiffel Tower, Champs-Elysées and Arc De Triomphe are located about 15.8 mi, 14.7 mi, and 15.0 mi, respectively from Paris Charles de Gaulle if you are interested in checking them out. Those landing in Paris looking to spend some time exploring during their stopover can hire a car for about £37 per day.

  • Where are the least popular stopover locations for London to Ottawa flights?

    The least popular stopover on flights from London to Ottawa is Toronto.

  • 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 holiday 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, January is the cheapest month in which you can book a flight from London to Ottawa (average of £588). Flying from London to Ottawa in June is currently the most expensive (average of £760). 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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Fly from London to Ottawa on these airlines

Choose from the following airlines for your flight from London to Ottawa. Flights are based on user searches made on Cheapflights and were last updated on 19 December 2024.
Air Canada flights from London to Ottawa
Air Transat flights from London to Ottawa
Lufthansa flights from London to Ottawa

Top 7 airlines flying from London to Ottawa

Discover the top 7 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 858,174 searches. Data last updated 19 December 2024.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£367Average£470FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air FranceCheapest£396Average£478FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£401Average£521FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air TransatCheapest£448Average£561FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
LufthansaCheapest£486Average£632FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£504Average£622FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest£559Average£761FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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

Cheapflights makes it easy to find London to Ottawa flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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?

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

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