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Flights from London to Ottawa

Search for direct flights from London to Ottawa in the next 3 months. Based on Trip.com's latest 7-day flight data, one-way direct flights start at US$310, and round-trip direct flights start at US$465.

      • Cheapest nonstop
        LGW 09:40
        8h
        Nonstop
        YOW 12:40
        London - Ottawa | Mon, Sep 14 | Air Transat
        YOW 19:40
        7h 15m
        Nonstop
        LGW 07:55
        Ottawa - London | Mon, Sep 21 | Air Transat
        US$465 US$795
        42% off
        42% off
        US$795 US$465
      • LHR 14:10
        7h 55m
        Nonstop
        YOW 17:05
        London - Ottawa | Tue, Sep 15 | Air Canada
        YOW 18:55
        6h 35m
        Nonstop
        LHR 06:30
        Ottawa - London | Sun, Sep 20 | Air Canada
        US$539 US$795
        32% off
        32% off
        US$795 US$539
      • LGW 09:40
        27h 25m
        1 stop
        YOW 08:05
        London - Ottawa | Tue, Sep 15 | Air Transat
        YOW 19:40
        7h 15m
        Nonstop
        LGW 07:55
        Ottawa - London | Mon, Sep 21 | Air Transat
        US$471 US$795
        41% off
        41% off
        US$795 US$471
      • LGW 11:35
        11h
        1 stop
        YOW 17:35
        London - Ottawa | Wed, Sep 16 | Air Transat
        YOW 14:15
        14h 35m
        1 stop
        LGW 09:50
        Ottawa - London | Wed, Sep 23 | Air Transat
        US$477
        40% off
        US$795 US$477
      • LGW 09:40
        19h 45m
        1 stop
        YOW 00:25
        London - Ottawa | Sat, Sep 5 | Air Transat
        YOW 07:00
        22h 45m
        1 stop
        LGW 10:45
        Ottawa - London | Sat, Sep 12 | Air Transat
        US$517
        35% off
        US$795 US$517
      • LHR 12:40
        11h 10m
        1 stop
        YOW 18:50
        London - Ottawa | Mon, Sep 14 | Air Canada
        YOW 18:55
        6h 35m
        Nonstop
        LHR 06:30
        Ottawa - London | Thu, Sep 17 | Air Canada
        US$529
        33% off
        US$795 US$529
      • LHR 06:15
        13h 45m
        1 stop
        YOW 15:00
        London - Ottawa | Sat, Sep 12 | Virgin Atlantic
        YOW 17:10
        11h 30m
        1 stop
        LGW 09:40
        Ottawa - London | Thu, Sep 17 | Virgin Atlantic
        US$552
        31% off
        US$795 US$552
      • LHR 08:30
        11h 40m
        1 stop
        YOW 15:10
        London - Ottawa | Tue, Sep 8 | Air Canada
        YOW 21:30
        28h
        1 stop
        LHR 06:30
        Ottawa - London | Tue, Sep 8 | Air Canada
        US$552
        31% off
        US$795 US$552
      • LHR 12:40
        11h 10m
        1 stop
        YOW 18:50
        London - Ottawa | Mon, Sep 14 | Lufthansa
        YOW 18:55
        6h 35m
        Nonstop
        LHR 06:30
        Ottawa - London | Thu, Sep 17 | Lufthansa
        US$554
        30% off
        US$795 US$554
      • LHR 14:05
        13h 5m
        1 stop
        YOW 22:10
        London - Ottawa | Wed, Sep 16 | Air Canada
        YOW 14:35
        10h 55m
        1 stop
        LHR 06:30
        Ottawa - London | Wed, Sep 23 | Air Canada
        US$556
        30% off
        US$795 US$556
      • LON 13:00
        17h 25m
        1 stop
        YOW 14:00
        London - Ottawa | Tue, Jul 21 | Normal Airline
        YOW 15:00
        6h
        Nonstop
        LON 16:00
        Ottawa - London | Thu, Jul 23 | Normal Airline
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      • Cheapest nonstop
        LGW 09:40
        8h
        Nonstop
        YOW 12:40
        London - Ottawa | Tue, Sep 1 | Air Transat
        US$310 US$495
        37% off
        37% off
        US$495 US$310
      • LGW 09:40
        8h
        Nonstop
        YOW 12:40
        London - Ottawa | Fri, Sep 4 | Air Transat
        US$341 US$495
        31% off
        31% off
        US$495 US$341
      • LGW 09:40
        27h 25m
        1 stop
        YOW 08:05
        London - Ottawa | Sat, Sep 12 | Air Transat
        US$336 US$495
        32% off
        32% off
        US$495 US$336
      • LGW 12:40
        31h 15m
        1 stop
        YOW 14:55
        London - Ottawa | Mon, Sep 7 | Air Transat
        US$337
        32% off
        US$495 US$337
      • LGW 12:40
        16h 45m
        1 stop
        YOW 00:25
        London - Ottawa | Tue, Sep 15 | Air Transat
        US$337
        32% off
        US$495 US$337
      • LGW 11:35
        11h
        1 stop
        YOW 17:35
        London - Ottawa | Sun, Sep 6 | Air Transat
        US$339
        32% off
        US$495 US$339
      • LGW 12:40
        16h 45m
        1 stop
        YOW 00:25
        London - Ottawa | Tue, Sep 8 | Air Transat
        US$340
        31% off
        US$495 US$340
      • LGW 12:40
        31h 15m
        1 stop
        YOW 14:55
        London - Ottawa | Sat, Sep 5 | Air Transat
        US$340
        31% off
        US$495 US$340
      • LGW 09:40
        27h 25m
        1 stop
        YOW 08:05
        London - Ottawa | Mon, Sep 14 | Air Transat
        US$341
        31% off
        US$495 US$341
      • LGW 12:40
        31h 15m
        1 stop
        YOW 14:55
        London - Ottawa | Wed, Sep 2 | Air Transat
        US$346
        30% off
        US$495 US$346
      • LON 13:00
        17h 25m
        1 stop
        YOW 14:00
        London - Ottawa | Tue, Jul 21 | Normal Airline
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Cheapest airlines flights from London to Ottawa

You can choose from 3 airlines that fly from London to Ottawa, including Air Canada, Air Transat, and Virgin Atlantic. Air Transat has lowest fares on this route.
Air Canada logo Air Canada
Air Transat logo Air Transat
Virgin Atlantic logo Virgin Atlantic
Airlines are determined based on actual purchased flight tickets from London to Ottawa according to previous 12 months data from Trip.com.

London to Ottawa Flight Details

The distance between London and Ottawa is about 5,366.4 km. The average flying time from London to Ottawa is around 7 hours 47 minutes. Based on Trip.com's latest data, travel demand is highest in July. The off-season for travel is September.

Cheapest one-way flight priceUS$310
Cheapest return ticket priceUS$465
Cheapest monthSeptember
Peak season for travelJuly
Flight distance5,366.4 km
Average flight time7 hours 47 minutes
Popular airlineAir Canada
Flight statistics for the London–Ottawa route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com Price Insights on Flights from London to Ottawa

Which month has the cheapest round-trip flights from London to Ottawa?

The average price of round-trip flights from London to Ottawa purchased by Trip.com users by month over the past 12 months.

Based on data from Trip.com, the lowest prices for round-trip flights from London to Ottawa are found during February, with an average price of US$662. Conversely, the highest prices are found during April, with an average price of up to US$1,306.

US$1,306
US$984
US$662
US$340
    Cheapest
  • US$1,262
    Jul
  • US$1,062
    Aug
  • US$762
    Sep
  • US$1,166
    Oct
  • US$809
    Nov
  • US$1,276
    Dec
  • US$750
    Jan
  • US$662
    Feb
  • US$866
    Mar
  • US$1,306
    Apr
  • US$808
    May
  • US$797
    Jun

Frequently Asked Questions

  • What are the cheapest flights from London to Ottawa (LON-YOW)?

    Based on Trip.com data, Air Transat offers one-way fares as low as US$310 on Cheapest nonstop routes (e.g. LGW to YOW on Tue, Sep 1), while Air Transat offers Cheapest nonstop round-trips from US$465 departing on Mon, Sep 14 and returning on Mon, Sep 21.
  • At the moment, you can catch a nonstop flight from London to Ottawa with the following airlines, including: Air Canada Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 7 hours 47 minutes to fly from London to Ottawa.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from London to Ottawa is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 11 flight per week flying from London to Ottawa. You can check the weekly schedule for popular airlines on this route below: Air Canada: S/-/T/W/-/F/- -- AC889 (15:00)
  • To find best deals on flights from London to Ottawa, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Sep 1, with one-way flights priced at just US$310.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Air Transat.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Ottawa travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from London to Ottawa is September, when demand for travel is lower.
  • After crunching the numbers on our July flight calendar, it's currently cheapest to fly from London to Ottawa on July 28, 2026 with Air Transat, with prices starting at US$675.
  • You can land at any one of the following hubs in Ottawa, with Heathrow Airport to Ottawa International Airport (LHR-YOW) is by far the most common option on this route: Gatineau-Ottawa Executive Airport (YND) Ottawa International Airport (YOW).
  • The time difference between Ottawa and London is 5h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Read before Taking Flights from London to Ottawa

If you’re looking to book cheap flights from London to Ottawa, Trip.com has you covered. Many people travel from London to Ottawa for the city’s world-famous sights, delicious Canadian cuisine and unrivalled shopping scene. A convenient destination, you can fly from London to Ottawa in just over 7 hours 50 mins, making it the perfect place for a short city break, or even a gateway to explore the rest of Canada. With prices starting from just £298, there’s never been a better time to book tickets from London to Ottawa and experience all that this incredible city has to offer.

How to find a cheap flights from London to Ottawa

Finding cheap flights from London to Ottawa is easy with our money-saving tips. You can secure the best deals by booking in advance, flying on a weekday rather than a weekend, going incognito when browsing for flights, and choosing to fly with better-priced budget airlines.

Airlines that fly from London to Ottawa

A few airlines offer direct flights from London to Ottawa, including British Airways, Air Canada

Flight time from London to Ottawa

Flight from London to Ottawa takes around 7 hours 50 mins in average.

Departure from a London Airport to Ottawa

Flights from London Heathrow Airprot to Ottawa You can get a tube direct from the city centre to the airport. It takes approximately 45 minutes on the Piccadilly Line with prices starting from £5.50, or 30 minutes on the Elizabeth Line for £12.80. You can also get the Heathrow Express from London Paddington in 15 minutes from £5.50, or a 35-minute coach from London Victoria from £6.Flights from London Gatwick Airport to Ottawa The Gatwick Express offers a non-stop train from London Victoria in just 30 minutes for £19.90. Southern and Thameslink also offer trains, with prices starting from £11.30. You can also get a coach from London Victoria to Gatwick from £10 which takes 1.5-2 hours.Flights from London Stansted Airport to Ottawa The Stansted Express takes 50 minutes from London Liverpool street with prices from £9.90. You can also get the Airport Bus Express from here too, which takes around 1 hour and costs £12.Flights from London Luton Airport to Ottawa The Luton Airport Express from London St Pancras takes 32 minutes with tickets from £10, or from just £5, you can get a 1.5 hour National Express Coach from London Victoria.Flights from London City Airport to Ottawa You can get the DLR to London City Airport from Bank in around 20 minutes, with prices starting from just £3.

Trip.com Airline Insights on Flights from London to Ottawa

Which airline offers the cheapest direct flights from London to Ottawa?

Data is based on the average price of all nonstop flights from London to Ottawa on Trip.com over the past 12 months.

Based on Trip.com’s data from the past 12 months, WestJet provides the lowest-priced direct flights from London to Ottawa, with fares starting at US$604.

US$441
US$604
US$768
US$931
US$1,094
WestJet
US$604
WestJet
Air Transat
US$611
Air Transat
Air France
US$682
Air France
Virgin Atlantic
US$741
Virgin Atlantic
Lufthansa
US$1,013
Lufthansa
Air Canada
US$1,094
Air Canada

Which airline operates the most flights from London to Ottawa?

Total flights from London to Ottawa across all airlines. (Based on Trip.com data from the past month)

Based on Trip.com’s data from the past month, Middle East Airlines/Austrian Airlines/United Airlines/Lufthansa/Srilankan Airlines/TAP Air Portugal operates the most frequent flights from London to Ottawa, with 4 flights per week.

4
Middle East Airlines
4
Middle East Airlines
Austrian Airlines
4
Austrian Airlines
United Airlines
4
United Airlines
Lufthansa
4
Lufthansa
Srilankan Airlines
4
Srilankan Airlines
TAP Air Portugal
4
TAP Air Portugal

How many flights fly from London to Ottawa daily?

The data is based on the flight numbers for each day of the week from London to Ottawa within the Trip.com database over the past month.

Based on the past month's historical data from Trip.com, the number of flights from London to Ottawa is the highest on Saturday and the lowest on Tuesday.

40
24
8
0
Highest
28
Mon
8
Tue
25
Wed
28
Thu
10
Fri
40
Sat
10
Sun

Explore More Popular Flights

Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.