Cheap flights from London to Ottawa

Flights overview

Useful information for finding cheap flights from London to Ottawa and booking your next trip
Cheapest round-trip flights $499
Air Transat Nonstop 8 hr Fri, May 29 — Fri, Jun 5
The cheapest round-trip flight from London to Ottawa is currently $499
Cheapest one-way flight $413
Porter Airlines, Air Transat 1 stop 25 hr Wed, May 6
The cheapest one-way flight from London to Ottawa is currently $413
Last-minute weekend getaway $825
Air Canada, SWISS 2 stops 19 hr Thu, Apr 16 — Mon, Apr 20
The cheapest last-minute weekend getaway from London to Ottawa is currently $825
Cheapest business class flights $2,887
Icelandair, WestJet 2 stops 55 hr Sun, Apr 26 — Tue, May 5
The cheapest business class round-trip flight from London to Ottawa is currently $2,887
Fastest flight 7 hr 55 min The fastest nonstop flight from London to Ottawa takes 7 hr 55 min
Nonstop flights Some days There are direct flights on this route 3 days a week: Mon, Wed, Sat.

When is the cheapest time to fly?

The cheapest month to fly from London to Ottawa is typically February. The most expensive month to fly is typically August.
February
Cheapest
Typical prices: $530–720
August
Most expensive
Typical prices: $730–1,100

Popular airlines from London to Ottawa

  • Air Canada
    Nonstop
    from $558
    Typical price: $700–1,100
    4 weekly nonstop flights
    LHR - YOW Every Mon, Wed, Thu, Sat
    143 weekly connecting flights
    LHR - YOW Every day
  • United
    from $580
    Typical price: $750–1,250
    84 weekly connecting flights
    LHR - YOW Every day
  • Air France
    from $570
    Typical price: $670–1,500
    26 weekly connecting flights
    LGW, LHR - YOW Every day
  • WestJet
    from $1,044
    Typical price: $1,000–2,350
    8 weekly connecting flights
    LHR - YOW Every day

Popular airports near London

  • Heathrow Airport (LHR)
    London United Kingdom 47 min 14 mi
  • London Stansted Airport (STN)
    London United Kingdom 1 hr 5 min 30 mi
  • London Gatwick Airport (LGW)
    London United Kingdom 1 hr 25 min 25 mi
  • London Luton Airport (LTN)
    London United Kingdom 1 hr 8 min 27 mi

Popular airports near Ottawa

  • Ottawa International Airport (YOW)
    Ottawa Canada 21 min 7 mi
  • Montréal-Pierre Elliott Trudeau International Airport (YUL)
    Montreal Canada 1 hr 54 min 94 mi
  • Montreal Metropolitan Airport (YHU)
    Montreal Canada 2 hr 25 min 111 mi
  • Gatineau-Ottawa Executive Airport (YND)
    Ottawa Canada 22 min 9 mi

Frequently asked questions about flying from London to Ottawa

The cheapest flights from London to Ottawa are usually in February. Typical ticket prices in February range from $530 to $720.
The cheapest round-trip flight from London to Ottawa recently found on Google Flights was with Air Transat from $499. The cheapest one-way flight was with Porter Airlines, Air Transat from $413.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Air Canada flight from London to Ottawa is $558, flying from May 28 to Jun 3.
  • The cheapest United flight from London to Ottawa is $580, flying from Jun 5 to Jun 11.
  • The cheapest Air France flight from London to Ottawa is $570, flying from Jun 4 to Jun 10.
  • The cheapest WestJet flight from London to Ottawa is $1,044, flying from Jun 8 to Jun 16.
The cheapest round-trip flight from London to Ottawa starts at $499 from Fri, May 29 to Fri, Jun 5. The cheapest one-way flight starts at $413 and departs on Wed, May 6.
7 hr 55 min is the shortest flight time from London to Ottawa.
The most popular time to visit Ottawa is May–Aug, which includes the mild weather of late spring and the warm, humid summer, as well as big events such as the Bluesfest concert (Jul). Winters (Jan–Mar) are very cold, with frequent snow, but many travel here in Feb, when the Winterlude festival brings 3 weekends of ice- and snow-related entertainment to the Rideau Canal Skateway.
It's easy to use Google Flights to find the cheapest days to fly from London to Ottawa.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.
What counts as the best airline for your flights from London to Ottawa really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from London to Ottawa.

In terms of nonstop flights, Air Canada is the most popular. Air Canada offers 4 nonstop flights and 143 connecting flights per week. Air Canada flies from Heathrow Airport (LHR) to Ottawa International Airport (YOW) .

Other popular airlines flying from London to Ottawa are:
  • United offers 84 connecting flights per week. United flies from Heathrow Airport (LHR) to Ottawa International Airport (YOW) .
  • Air France offers 26 connecting flights per week. Air France flies from London Gatwick Airport (LGW) , Heathrow Airport (LHR) to Ottawa International Airport (YOW) .
  • WestJet offers 8 connecting flights per week. WestJet flies from Heathrow Airport (LHR) to Ottawa International Airport (YOW) .
The number of connecting flights refers to distinct flights with at least one stop between London and Ottawa.
The cheapest round-trip flight from London to Ottawa recently found on Google Flights was with Air Transat from $499. The cheapest one-way flight was with Porter Airlines, Air Transat from $413.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Air Canada flight from London to Ottawa is $558, flying from May 28 to Jun 3.
  • The cheapest United flight from London to Ottawa is $580, flying from Jun 5 to Jun 11.
  • The cheapest Air France flight from London to Ottawa is $570, flying from Jun 4 to Jun 10.
  • The cheapest WestJet flight from London to Ottawa is $1,044, flying from Jun 8 to Jun 16.
Air Canada flies direct from London to Ottawa.
  • There are 4 Air Canada direct flights from London to Ottawa per week. Flights are available on Monday, Wednesday, Thursday and Saturday.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
The cheapest last-minute deal between London and Ottawa at price $825 is offered by Air Canada, SWISS from Thu, Apr 16 to Mon, Apr 20.
Air Canada flies direct from London to Ottawa.
  • There are 4 Air Canada direct flights from London to Ottawa per week. Flights are available on Monday, Wednesday, Thursday and Saturday.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
Direct flights from London to Ottawa are only available on Monday, Wednesday and Saturday.
The cheapest direct (nonstop) round-trip flights between London and Ottawa start at $499 from Fri, May 29 to Fri, Jun 5 with Air Transat.
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from London to Ottawa, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.
The cheapest business class round-trip flights between London and Ottawa start at $2,887 from Sun, Apr 26 to Tue, May 5 with Icelandair, WestJet.
The cheapest economy class round-trip flights between London and Ottawa start at $499 from Fri, May 29 to Fri, Jun 5.
To book business class trips from London to Ottawa, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.
The best last-minute getaway deal for the next weekend between London and Ottawa starts at $825 from Thu, Apr 16 to Mon, Apr 20 with Air Canada, SWISS.
The cheapest last-minute deal between London and Ottawa at price $825 is offered by Air Canada, SWISS from Thu, Apr 16 to Mon, Apr 20.
To find last-minute flight deals from London to Ottawa, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.

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