Flights from Ottawa to London
Departing from Ottawa Macdonald–Cartier, your journey to United Kingdom is seamless with SkyTeam Travel. We compare exclusive fares on carriers like Air Canada and Air Transat. Whether you prefer direct seasonal service or connections via Toronto (YYZ) or Montreal (YUL), we find the fastest routes so you can start exploring the historic streets of London sooner.
Quick Answer: The cheapest flights from Ottawa (YOW) to London (LHR) currently start at $800 CAD. Typical flight times average around 7 to 10 hours. You'll fly out of Ottawa Macdonald–Cartier International Airport (YOW) and arrive at London Heathrow (LHR) or Gatwick (LGW). Search our live inventory above for unpublished deals on Air Canada and Air Transat.
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Flying to London from Ottawa (YOW)
Ottawa Macdonald–Cartier (YOW) serves the National Capital Region with strong feeder service to Toronto and Montreal plus select transatlantic departures. From Ottawa and Gatineau, the smartest itineraries usually route through YYZ or YUL, and our agents compare every connection to keep your total journey time and fare down.
London Travel Guide for Canadian Flyers
From the Tower of London and Westminster to the West End and day trips to Europe, London is one of Canada's most-booked transatlantic cities.
Visa & entry for Canadians
Canadians can visit the UK visa-free for up to six months but, from 2025, must obtain an Electronic Travel Authorisation (ETA) before flying. It's a quick online application — apply well ahead of departure.
Best time to fly
May, June and September deliver the best mix of mild weather and value. July–August is peak season; book early. Winter fares dip but daylight is short.
Where to stay & airports
Heathrow (LHR) is the main gateway with the widest schedule; Gatwick (LGW) often carries lower fares. Central zones near the Underground keep sightseeing easy.
Baggage tip
Transatlantic economy fares vary widely on checked-bag inclusions. We confirm the exact allowance and flag fare classes that include a free checked bag.
Researched and maintained by SkyTeam Travel's Canadian flight specialists. Fares and routings are checked against our airline and consolidator sources. Entry requirements and baggage rules change often — confirm current details with our agents or the official authorities before you travel.
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Frequently Asked Questions
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Savan Brar
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