£366 Cheap Flights from London (LHR) to Ottawa (YOW)

View £366 flight on Wed, 8 Jul 2026Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Ottawa International Airport (YOW)

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Cheap Flights from London (LHR) to Ottawa (YOW)

Prices were available within the past 7 days and start at £366 for one-way flights and £428 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Tue, 22 Sept - Thu, 8 Oct
LHR
London
YOW
Ottawa
£428 Return, found 6 days ago
£428
Return
found 6 days ago
Select KLM flight, departing Tue, 22 Sept from London to Ottawa, returning Thu, 8 Oct, priced at £428 found 6 days ago
Air France
Fri, 15 May - Tue, 19 May
LHR
London
YOW
Ottawa
£433 Return, just found
£433
Return
just found
Select Air France flight, departing Fri, 15 May from London to Ottawa, returning Tue, 19 May, priced at £433 just found
Swiss International Air Lines
Wed, 20 May - Sat, 13 Jun
LHR
London
YOW
Ottawa
£434 Return, found 5 hours ago
£434
Return
found 5 hours ago
Select Swiss International Air Lines flight, departing Wed, 20 May from London to Ottawa, returning Sat, 13 Jun, priced at £434 found 5 hours ago
Swiss International Air Lines
Wed, 20 May - Thu, 4 Jun
LHR
London
YOW
Ottawa
£435 Return, found 4 days ago
£435
Return
found 4 days ago
Select Swiss International Air Lines flight, departing Wed, 20 May from London to Ottawa, returning Thu, 4 Jun, priced at £435 found 4 days ago
Austrian Airlines
Tue, 2 Jun - Wed, 17 Jun
LHR
London
YOW
Ottawa
£436 Return, found 1 day ago
£436
Return
found 1 day ago
Select Austrian Airlines flight, departing Tue, 2 Jun from London to Ottawa, returning Wed, 17 Jun, priced at £436 found 1 day ago
Swiss International Air Lines
Wed, 20 May - Sat, 13 Jun
LHR
London
YOW
Ottawa
£437 Return, found 5 hours ago
£437
Return
found 5 hours ago
Select Swiss International Air Lines flight, departing Wed, 20 May from London to Ottawa, returning Sat, 13 Jun, priced at £437 found 5 hours ago
Swiss International Air Lines
Wed, 20 May - Tue, 26 May
LHR
London
YOW
Ottawa
£437 Return, found 2 days ago
£437
Return
found 2 days ago
Select Swiss International Air Lines flight, departing Wed, 20 May from London to Ottawa, returning Tue, 26 May, priced at £437 found 2 days ago
Austrian Airlines
Tue, 2 Jun - Wed, 17 Jun
LHR
London
YOW
Ottawa
£438 Return, found 1 day ago
£438
Return
found 1 day ago
Select Austrian Airlines flight, departing Tue, 2 Jun from London to Ottawa, returning Wed, 17 Jun, priced at £438 found 1 day ago
Air Canada
Sat, 6 Jun - Thu, 11 Jun
LHR
London
YOW
Ottawa
£449 Return, found 2 hours ago
£449
Return
found 2 hours ago
Select Air Canada flight, departing Sat, 6 Jun from London to Ottawa, returning Thu, 11 Jun, priced at £449 found 2 hours ago
Virgin Atlantic
Fri, 15 May - Tue, 19 May
LHR
London
YOW
Ottawa
£463 Return, just found
£463
Return
just found
Select Virgin Atlantic flight, departing Fri, 15 May from London to Ottawa, returning Tue, 19 May, priced at £463 just found

Frequently asked questions

How much is a flight from London Heathrow to YOW?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip journey from Heathrow Airport to Macdonald-Cartier Intl. Airport (YOW) was £428. Cheap tickets don't stick around for long, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from LHR to Macdonald-Cartier Intl. Airport (YOW)?
When it comes to cancellation fees, each airline has its own set of terms and conditions. If you decide to cancel your trip, visit our Customer Service Portal.
How do I find cheap flights from LHR to Ottawa Intl. Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Heathrow Airport to Ottawa Intl. Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Heathrow Airport (LHR) to Macdonald-Cartier Intl. Airport (YOW)?
With around 5,400 kilometres separating London Heathrow and YOW, your flight will be a long one. Pack wisely to make your time in the air comfortable. Simple things like an eye mask and some noise-cancelling headphones can make a big difference.
Which airlines fly direct from London Heathrow to YOW?
There are no direct flights, so you'll have to make at least one stop between Heathrow Airport and Ottawa International Airport. Take advantage of the layover time to stretch your legs and freshen up.
Are Heathrow Airport to Ottawa International Airport flight tickets cheaper when they're purchased at the last minute?
It is possible to pick up a fantastic last-minute deal from London Heathrow to Macdonald-Cartier Intl. Airport (YOW), but it can also be hit-or-miss. As many airlines release seats up to 12 months in advance, it's worth keeping an eye on fares early and being ready to pounce when you see a bargain. Expedia compares air carrier prices and updates flight deals frequently, so you can rest assured you're always seeing the latest offers.

Travel information

Origin airport
Heathrow
Destination airport
Macdonald-Cartier Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, Brussels Airlines, Delta, ITA Airways, KLM, LOT-Polish Airlines, Lufthansa, Swiss International Air Lines, TAP Portugal, United, Virgin Atlantic
Return price
£428
Distance
5315 km
Average flight time
7 hours 55 mins

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