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Cheap flights from London to Ottawa from £297

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 4/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
LON — YOW
21 May — 28 May1
1 adult
Tue 21/5
Tue 28/5

The best prices from London to Ottawa are usually found in November or January, booked 71 days in advance, depart on a Tuesday or Monday and return on a Monday

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 16 May 2024.

Popular in

July

Cheapest in

November

Round-trip from

£459

One-way from

£397
High demand for flights, 28% potential price rise
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Best time to find cheap flights, 22% potential price drop
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From London (LON) to Ottawa
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One-way flight from London (LON) to Ottawa
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What is the cheapest day to fly round-trip from London to Ottawa?

Saturday flights are generally found to be more expensive for flights from London to Ottawa. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Ottawa.

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

Users have found that booking a flight from London to Ottawa at least 36 days early can save you up to 48% on average compared to booking a flight this week. If booking 36 days before your flight isn’t an option for you, users have found flights from London to Ottawa for as little as £544 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £724 for flights departing within the next 3 days.

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

Our data shows that November tends to be the cheapest month to fly to Ottawa from London. Users have commonly found prices around £597 for the month, but tickets can be as low as £369. Due to multiple factors, prepare for potentially higher prices in July.

When is the cheapest time to fly from London to Ottawa (LON - YOW)?

It’s typically best to fly out from London to Ottawa in the evening. Doing so could potentially save you 17% on the flight price compared to flying at midday, which is usually more expensive.

Cheap Air France flights from London to Ottawa

Explore cheap flight options specifically provided by Air France for the route between London and Ottawa. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 844,321 searches. Data last updated 16 May 2024.
Check out some of the cheapest Air France flights we've come across from London to Ottawa. Come back soon if you're not finding the exact deal you're looking for.
Mon 24/606:15LHR - YOW
1 stop13h 35mAir France
Mon 15/717:00YOW - LHR
1 stop15h 45mAir France
Deal found 15/5£484
Mon 24/606:15LHR - YOW
1 stop13h 35mAir France
Mon 15/717:00YOW - LHR
1 stop23h 25mAir France
Deal found 16/5£512
Mon 17/619:45LHR - YOW
1 stop24h 05mAir France
Sun 11/817:00YOW - LHR
1 stop18h 35mAir France
Deal found 15/5£681
Sat 25/506:15LHR - YOW
1 stop13h 35mAir France
Sun 9/617:00YOW - LHR
1 stop15h 45mAir France
Deal found 16/5£5,667

Cheap Air Transat flights from London to Ottawa

Explore cheap flight options specifically provided by Air Transat for the route between London and Ottawa. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 844,321 searches. Data last updated 16 May 2024.
Take a gander at the lowest prices we've found on Air Transat flights from London to Ottawa. Ensure the flight price, dates, time, and airline match your criteria before you book.
Mon 24/612:40LGW - YOW
1 stop13h 48mAir Transat
Mon 15/714:35YOW - LGW
1 stop15h 10mAir Transat
Deal found 15/5£488
Sun 30/609:40LGW - YOW
1 stop30h 22mAir Transat
Tue 30/714:35YOW - LGW
1 stop11h 45mAir Transat
Deal found 16/5£489
Mon 24/609:40LGW - YOW
1 stop27h 23mAir Transat
Mon 15/711:55YOW - LGW
1 stop14h 25mAir Transat
Deal found 16/5£492
Wed 12/609:40LGW - YOW
1 stop27h 23mAir Transat
Sat 22/620:50YOW - LGW
1 stop30h 05mAir Transat
Deal found 16/5£494
Mon 24/612:40LGW - YOW
1 stop13h 48mAir Transat
Wed 3/716:55YOW - LGW
1 stop10h 00mAir Transat
Deal found 15/5£505
Wed 12/609:40LGW - YOW
1 stop16h 48mAir Transat
Sat 22/620:50YOW - LGW
1 stop30h 05mAir Transat
Deal found 16/5£518
Sun 23/609:40LGW - YOW
1 stop19h 48mAir Transat
Wed 26/616:10YOW - LGW
1 stop13h 35mAir Transat
Deal found 16/5£536
Wed 12/611:35LGW - YOW
2 stops14h 53mAir Transat
Sat 22/620:50YOW - LGW
1 stop30h 05mAir Transat
Deal found 16/5£552
Sat 22/609:40LGW - YOW
1 stop19h 48mAir Transat
Wed 26/616:10YOW - LGW
1 stop13h 35mAir Transat
Deal found 16/5£576

Cheap London to Ottawa flights in May & June 2024

Find cheap flight options from London to Ottawa specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 844,321 searches. Prices were last updated on 16 May 2024.
These are some of the most attractive deals on flights from London to Ottawa in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Sun 30/609:40LGW - YOW
1 stop30h 22mAir Transat
Tue 30/714:35YOW - LGW
1 stop11h 45mAir Transat
Deal found 16/5£489
Sun 23/609:40LGW - YOW
1 stop27h 23mAir Transat
Sat 13/720:00YOW - LGW
1 stop9h 45mAir Transat
Deal found 16/5£490
Mon 24/609:40LGW - YOW
1 stop19h 48mAir Transat
Mon 15/714:35YOW - LGW
1 stop15h 10mAir Transat
Deal found 16/5£492
Wed 12/609:40LGW - YOW
1 stop27h 23mAir Transat
Sat 22/620:50YOW - LGW
1 stop30h 05mAir Transat
Deal found 16/5£494
Tue 4/609:40LGW - YOW
1 stop27h 23mAir Transat
Tue 11/616:10YOW - LGW
1 stop13h 35mAir Transat
Deal found 16/5£495
Wed 12/609:40LGW - YOW
1 stop16h 48mAir Transat
Sat 22/620:50YOW - LGW
1 stop30h 05mAir Transat
Deal found 16/5£518
Mon 24/606:15LHR - YOW
1 stop13h 35mAir France
Mon 15/717:00YOW - LHR
1 stop23h 25mAir France
Deal found 16/5£525
Mon 24/606:30LHR - YOW
2 stops13h 20mMultiple Airlines
Mon 15/717:00YOW - LHR
1 stop23h 25mMultiple Airlines
Deal found 16/5£532
Sun 23/609:40LGW - YOW
1 stop19h 48mAir Transat
Wed 26/616:10YOW - LGW
1 stop13h 35mAir Transat
Deal found 16/5£536

London to Ottawa 2024 flight deals

Discover exclusive flight deals for travel between London and Ottawa in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 844,321 searches. Data last updated 16 May 2024.
These are some of the most attractive deals on flights from London to Ottawa in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Fri 1/1106:20LHR - YOW
1 stop13h 45mAir France
Fri 8/1117:15YOW - LHR
1 stop12h 15mAir France
Deal found 16/5£458
Fri 1/1106:20LHR - YOW
1 stop13h 45mMultiple Airlines
Fri 8/1117:15YOW - LHR
2 stops12h 10mMultiple Airlines
Deal found 16/5£477
Mon 16/909:40LGW - YOW
1 stop27h 32mAir Transat
Sat 21/911:55YOW - LGW
1 stop15h 00mAir Transat
Deal found 16/5£487
Sun 30/609:40LGW - YOW
1 stop30h 22mAir Transat
Tue 30/714:35YOW - LGW
1 stop11h 45mAir Transat
Deal found 16/5£489
Sun 23/609:40LGW - YOW
1 stop27h 23mAir Transat
Sat 13/720:00YOW - LGW
1 stop9h 45mAir Transat
Deal found 16/5£490
Mon 24/609:40LGW - YOW
1 stop19h 48mAir Transat
Mon 15/714:35YOW - LGW
1 stop15h 10mAir Transat
Deal found 16/5£492
Wed 12/609:40LGW - YOW
1 stop27h 23mAir Transat
Sat 22/620:50YOW - LGW
1 stop30h 05mAir Transat
Deal found 16/5£494
Sat 14/918:00LHR - YOW
1 stop20h 13mAir Canada
Mon 16/906:05YOW - LHR
1 stop9h 35mAir Canada
Deal found 16/5£494
Tue 4/609:40LGW - YOW
1 stop27h 23mAir Transat
Tue 11/616:10YOW - LGW
1 stop13h 35mAir Transat
Deal found 16/5£495

London to Ottawa flights leaving soon

Find last-minute flight options from London to Ottawa for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 844,321 searches. Data last updated 16 May 2024.
Users seeking a last-minute flight from London to Ottawa should consider booking one of these fares. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Thu 23/514:05LHR - YOW
1 stop23h 37mAir Canada
Thu 30/507:00YOW - LHR
1 stop9h 00mAir Canada
Deal found 16/5£668
Sun 26/506:50LHR - YOW
2 stops17h 05mUnited Airlines
Tue 2/706:30YOW - LHR
1 stop21h 30mUnited Airlines
Deal found 16/5£679
Sun 26/509:30LHR - YOW
1 stop12h 08mUnited Airlines
Tue 2/713:38YOW - LHR
1 stop11h 42mUnited Airlines
Deal found 16/5£686
Sat 25/508:30LHR - YOW
1 stop13h 34mUnited Airlines
Mon 27/506:38YOW - LHR
1 stop20h 52mUnited Airlines
Deal found 15/5£687
Sat 25/512:00LHR - YOW
1 stop15h 04mAir Canada
Thu 30/508:10YOW - LHR
1 stop20h 50mAir Canada
Deal found 16/5£708
Sat 25/506:30LHR - YOW
2 stops20h 18mUnited Airlines
Thu 30/506:38YOW - LHR
2 stops23h 02mUnited Airlines
Deal found 16/5£765
Sat 25/520:40LGW - YOW
2 stops27h 38mMultiple Airlines
Thu 30/519:15YOW - LGW
1 stop32h 45mMultiple Airlines
Deal found 16/5£813
Sat 25/508:30LHR - YOW
1 stop13h 34mUnited Airlines
Thu 30/506:38YOW - LHR
1 stop18h 17mUnited Airlines
Deal found 16/5£826
Sat 25/506:30LHR - YOW
2 stops20h 18mUnited Airlines
Thu 30/506:38YOW - LHR
2 stops23h 02mUnited Airlines
Deal found 16/5£832

One-way flights to Ottawa from London

Search for one-way flight options from London to Ottawa. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 844,321 searches. Data last updated 16 May 2024.
If you're seeking multiple options on one-way flights from London to Ottawa, be sure to check out these deals, which are updated often. Users can also find round-trip London to Ottawa flights by using the search form above.
Tue 4/621:55STN - YOW
3 stops42h 47mMultiple Airlines
Deal found 16/5£297
Sun 1/921:50STN - YOW
3 stops49h 40mMultiple Airlines
Deal found 15/5£317
Tue 4/621:55STN - YOW
2 stops39h 08mMultiple Airlines
Deal found 16/5£334
Sun 21/714:25SEN - YOW
2 stops30h 27mMultiple Airlines
Deal found 14/5£360
Sun 21/711:00LGW - YOW
1 stop25h 45mMultiple Airlines
Deal found 14/5£397
Sun 21/714:25SEN - YOW
3 stops25h 04mMultiple Airlines
Deal found 14/5£398
Sun 21/714:20LHR - YOW
2 stops26h 22mMultiple Airlines
Deal found 14/5£436
Sun 21/714:20LHR - YOW
3 stops25h 09mMultiple Airlines
Deal found 14/5£474
Sun 1/921:00STN - YOW
2 stops25h 42mMultiple Airlines
Deal found 15/5£492

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 844,321 searches. Data last updated 16 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£484 - £676

Route

Depart

Return

Price

London HeathrowOttawa

LHR - YOW

LHRYOW

London Heathrow

Mon 24/6

1 stop13h 35m

Ottawa

Mon 15/7

1 stop15h 45m

£484

London GatwickOttawa

LGW - YOW

LGWYOW

London Gatwick

Mon 24/6

1 stop13h 48m

Ottawa

Mon 15/7

1 stop15h 10m

£488

London HeathrowOttawa

LHR - YOW

LHRYOW

London Heathrow

Mon 24/6

2 stops13h 20m

Ottawa

Mon 15/7

1 stop18h 35m

£504

London HeathrowOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 21/6

1 stop12h 33m

Ottawa

Sat 29/6

1 stop28h 35m

£517

London HeathrowOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 24/5

1 stop26h 34m

Ottawa

Sat 1/6

1 stop28h 35m

£533

London HeathrowOttawa

LHR - YOW

LHRYOW

London Heathrow

Mon 24/6

2 stops13h 20m

Ottawa

Mon 15/7

2 stops12h 45m

£570

London HeathrowOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 12/6

2 stops29h 37m

Ottawa

Wed 19/6

2 stops43h 05m

£615

London HeathrowOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 22/5

2 stops20h 09m

Ottawa

Wed 29/5

2 stops19h 37m

£646

London HeathrowOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 12/6

2 stops18h 02m

Ottawa

Wed 19/6

2 stops17h 50m

£676

Flights are sorted by cheapest first

Deals found on 15/5

When is the best time to 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 10 May 2024.
To ensure you get the cheapest price possible for a flight from London to Ottawa, you should look to book at least 71 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.
Search Deals

When is the cheapest time 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 12 May 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their London to Ottawa flight should consider departing on Friday evenings when fares are most often at their lowest. Saturday at midday flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Ottawa by month

Plan your trip from London to Ottawa by taking into account the cheapest months to travel. The average price of a one-way flight from London to Ottawa is currently £389 while a return flight costs £559. Price data was last updated on 12 May 2024.

Currently, January is the cheapest month in which you can book a flight from London to Ottawa (average of £582). Flying from London to Ottawa in August is currently the most expensive (average of £779). 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.

January

£459

February

£480

March

£521

April

£507

May

£539

June

£601

July

£586

August

£615

September

£585

October

£581

November

£473

December

£571

Temperature and rainfall in Ottawa by month

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

YOW

Temperature

-10 - 21 °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 16 May 2024.
Read reviews from past customers who have flown Air France, Air Transat and Air Canada 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
7.9
Good
1,568 reviews
Check prices

Food

7.3

Crew

8.4

Overall

7.9

Comfort

7.6

Boarding

7.8

Entertainment

7.2

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

KLM
7.9
Good
1,568 reviews
KLM
7.9
Good
1,568 reviews
Check prices

Food

7.3

Crew

8.4

Overall

7.9

Comfort

7.6

Boarding

7.8

Entertainment

7.2

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

SWISS
7.8
Good
1,994 reviews
KLM
7.9
Good
1,568 reviews
Check prices

Food

7.3

Crew

8.4

Overall

7.9

Comfort

7.6

Boarding

7.8

Entertainment

7.2

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Austrian Airlines
7.7
Good
1,053 reviews
KLM
7.9
Good
1,568 reviews
Check prices

Food

7.3

Crew

8.4

Overall

7.9

Comfort

7.6

Boarding

7.8

Entertainment

7.2

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Air Transat
7.7
Good
479 reviews
KLM
7.9
Good
1,568 reviews
Check prices

Food

7.3

Crew

8.4

Overall

7.9

Comfort

7.6

Boarding

7.8

Entertainment

7.2

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Air France
7.6
Good
1,764 reviews
KLM
7.9
Good
1,568 reviews
Check prices

Food

7.3

Crew

8.4

Overall

7.9

Comfort

7.6

Boarding

7.8

Entertainment

7.2

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

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.

  • Can I find flights from London to Ottawa for under £500 on Cheapflights?

    Yes, there are multiple flights from London to Ottawa for under £500. The cheapest flight booked recently is on Air France for just £484, but on average you can expect to pay £521.

  • Are there last-minute flights available from London to Ottawa for under £700?

    There are currently 20+ open flights from London to Ottawa within the next 7 days for less than £700.

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

    Air France, at £484, was found to be the cheapest airline from London to Ottawa.Alternate airlines flying return to your destination include Air Transat and Air Canada. Users have found that Air France is 18% cheaper than the other options available to this destination.

  • 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 City - Ottawa or London Gatwick - Ottawa as they are the most popular.

  • What are the most popular airlines that fly from London to Ottawa?

    Air Canada, Air France and KLM are the most popular airlines when flying from London to Ottawa.

  • What does LHR to YOW mean?

    LHR and YOW are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. LHR to YOW refers to a flight route from London Heathrow Airport to Ottawa Airport. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: London Gatwick Airport (LGW), London Stansted Airport (STN), London Luton Airport (LTN), London City Airport (LCY), London Southend Airport (SEN).

  • 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, Arc De Triomphe, and Champs-Elysées. Eiffel Tower, Arc De Triomphe and Champs-Elysées are located about 15.8 mi, 15.0 mi, and 14.7 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 £39 per day.

  • What are some popular points of interest to see during a stopover in Montreal?

    The majority of Montreal visitors spend their time at Hôtel de Ville de Montréal, Place des Arts, and Square Victoria. Hôtel de Ville de Montréal, Place des Arts, and Square Victoria can be visited by travelling about 10.0 mi, 9.5 mi, and 9.6 mi respectively from Montreal Pierre Elliott Trudeau Intl. Those looking to explore during their stopover in Montreal can hire a car from Montreal Pierre Elliott Trudeau Intl for about £42 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 extra baggage allowance?

    The amount of baggage you can bring on your London to Ottawa flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from London to Ottawa with specific airlines?

    Yes, Cheapflights allows you to browse and filter London to Ottawa flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from London to Ottawa that allow pets onboard?

    Many airlines flying from London to Ottawa offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from London to Ottawa?

    Yes, you can often find last-minute deals on London to Ottawa flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the London to Ottawa flight deals updated?

    The London to Ottawa flight deals you see on this page were last updated on 16/5.

See more FAQs

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.

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 16 May 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 844,321 searches. Data last updated 16 May 2024.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£364Average£467FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air FranceCheapest£376Average£467FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air TransatCheapest£414Average£513FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
KLMCheapest£415Average£538FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air CanadaCheapest£511Average£623FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£527Average£782FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£576Average£751FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
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Search flights from London to Ottawa by cabin class

Find flights from London to Ottawa, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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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.

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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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