Search flights from London (LON) to Ottawa (YOW)

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Cheapest flights to Ottawa

The cheapest flights available in the next 60 days – prices are updated regularly

Flying from London to Ottawa: things to know

The most popular route is from London Heathrow Airport in London to Ottawa Macdonald-Cartier International Airport in Ottawa. On average this flight takes 8 hours 59 minutes one way and costs US$1,443 for the round trip.

Most popular route
London Heathrow Airport (LHR) to Ottawa Macdonald-Cartier International Airport (YOW)
Average flight time
8 hours 59 minutes
Average round-trip price
US$1,443
Fly from London to Ottawa
18 airlines

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Airlines that fly from London to Ottawa

Airline options may vary according to recently booked flights and your search terms

  • Air Canada
  • Air Transat
  • Lufthansa
  • Westjet
  • Virgin Atlantic
  • United Airlines
  • Air France
  • Porter Airlines
  • British Airways
  • Aer Lingus
  • Icelandair
  • Lot Polish Airlines
  • Scandinavian Airlines
  • Azores Airlines
  • TAP Portugal
  • Brussels Airlines

Frequently asked questions

Fly to more destinations from London

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Flights from the United Kingdom to Canada

Flexible on where to fly from? the United Kingdom also has many flight options for Canada.

Hotels in Ottawa

A popular choice with visitors to Canada.

Flights to Ontario

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Flights to Ottawa and Countryside

Reaching Ottawa and Countryside just got easier!

Flights to Ottawa-Gatineau National Capital Region

Reaching Ottawa-Gatineau National Capital Region just got easier!

Flights from London to Canada

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All flights

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Flights to Ottawa Macdonald-Cartier International Airport

Jet into this airport to explore Ottawa at your leisure.