Cheap flights from Ottawa to London from £187

The main airport in Ottawa is Ottawa Macdonald–Cartier International. It is also served by Montréal–Pierre Elliott Trudeau International, Syracuse Hancock International, Montreal Saint-Hubert Longueuil, Ogdensburg International, Plattsburgh International, Adirondack Regional, Massena International, Watertown International.

The main airport in London is London International. It is also served by Toronto Pearson International, Detroit Metropolitan, Billy Bishop Toronto City, Buffalo Niagara International, Bishop International, John C. Munro Hamilton International, London International, Region of Waterloo International, Windsor International, Niagara Falls International.

Currently, you can fly between Ottawa and London with Air Canada, WestJet, Porter Airlines, Air Transat.

If you don’t have specific dates for your trip between Ottawa and London, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

Traveling between Ottawa and London, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

There are a number of airports in and around Ottawa. The main one is Ottawa Macdonald–Cartier International and other nearby airports include Montréal–Pierre Elliott Trudeau International, Syracuse Hancock International, Montreal Saint-Hubert Longueuil, Ogdensburg International, Plattsburgh International, Adirondack Regional, Massena International, Watertown International

There are a number of airports in and around London. The main one is London International and other nearby airports include Toronto Pearson International, Detroit Metropolitan, Billy Bishop Toronto City, Buffalo Niagara International, Bishop International, John C. Munro Hamilton International, London International, Region of Waterloo International, Windsor International, Niagara Falls International.

This depends on the airline’s flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from Ottawa, such as morning, afternoon, evening, or night, or select the exact hours for departure.

This depends on the airline’s flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at London, such as morning, afternoon, evening, or night, or select the exact hours for arrival.