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 51 minutes one way and costs US$1,356 for the round trip.

Most popular route
London Heathrow Airport (LHR) to Ottawa Macdonald-Cartier International Airport (YOW)
Average flight time
8 hours 51 minutes
Average round-trip price
US$1,356
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
  • Swiss
  • Azores Airlines
  • Brussels Airlines
  • TAP Portugal

Frequently asked questions

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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 to Ottawa Macdonald-Cartier International Airport

Jet into this airport to explore Ottawa at your leisure.

Hotels in Ottawa

A popular choice with visitors to Canada.

Flights from London to Canada

Plan your next getaway from London.

Flights from the United Kingdom to Canada

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

All flights

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