Cheap Flights from London (LHR) to Ottawa (YOW) from HK$4,307~

View HK$4,307 flight on Sun, 14 Dec 2025Opens in a new window

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

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 35% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at HK$4,307 for one-way flights and HK$5,427 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sun, 14 Dec - Sun, 11 Jan
LHR
London
YOW
Ottawa
HK$5,427 Return, found 4 days ago
HK$5,427
Return
found 4 days ago
Select Air Canada flight, departing Sun, 14 Dec from London to Ottawa, returning Sun, 11 Jan, priced at HK$5,427 found 4 days ago
Air Canada
Sun, 14 Dec - Sun, 11 Jan
LHR
London
YOW
Ottawa
HK$5,427 Return, found 4 days ago
HK$5,427
Return
found 4 days ago
Select Air Canada flight, departing Sun, 14 Dec from London to Ottawa, returning Sun, 11 Jan, priced at HK$5,427 found 4 days ago
Air Canada
Sun, 14 Dec - Sun, 11 Jan
LHR
London
YOW
Ottawa
HK$5,449 Return, found 4 days ago
HK$5,449
Return
found 4 days ago
Select Air Canada flight, departing Sun, 14 Dec from London to Ottawa, returning Sun, 11 Jan, priced at HK$5,449 found 4 days ago
Air Canada
Sun, 14 Dec - Sun, 11 Jan
LHR
London
YOW
Ottawa
HK$5,478 Return, found 4 days ago
HK$5,478
Return
found 4 days ago
Select Air Canada flight, departing Sun, 14 Dec from London to Ottawa, returning Sun, 11 Jan, priced at HK$5,478 found 4 days ago
Air Canada
Sun, 14 Dec - Sun, 11 Jan
LHR
London
YOW
Ottawa
HK$5,486 Return, found 4 days ago
HK$5,486
Return
found 4 days ago
Select Air Canada flight, departing Sun, 14 Dec from London to Ottawa, returning Sun, 11 Jan, priced at HK$5,486 found 4 days ago
Lufthansa
Sun, 14 Dec - Sun, 11 Jan
LHR
London
YOW
Ottawa
HK$5,579 Return, found 4 days ago
HK$5,579
Return
found 4 days ago
Select Lufthansa flight, departing Sun, 14 Dec from London to Ottawa, returning Sun, 11 Jan, priced at HK$5,579 found 4 days ago
Lufthansa
Sun, 14 Dec - Sun, 11 Jan
LHR
London
YOW
Ottawa
HK$5,601 Return, found 4 days ago
HK$5,601
Return
found 4 days ago
Select Lufthansa flight, departing Sun, 14 Dec from London to Ottawa, returning Sun, 11 Jan, priced at HK$5,601 found 4 days ago
United
Sun, 14 Dec - Sun, 11 Jan
LHR
London
YOW
Ottawa
HK$5,700 Return, found 4 days ago
HK$5,700
Return
found 4 days ago
Select United flight, departing Sun, 14 Dec from London to Ottawa, returning Sun, 11 Jan, priced at HK$5,700 found 4 days ago
Swiss International Air Lines
Sun, 14 Dec - Sun, 11 Jan
LHR
London
YOW
Ottawa
HK$6,788 Return, found 4 days ago
HK$6,788
Return
found 4 days ago
Select Swiss International Air Lines flight, departing Sun, 14 Dec from London to Ottawa, returning Sun, 11 Jan, priced at HK$6,788 found 4 days ago
Virgin Atlantic
Sun, 14 Dec - Sun, 11 Jan
LHR
London
YOW
Ottawa
HK$8,332 Return, found 4 days ago
HK$8,332
Return
found 4 days ago
Select Virgin Atlantic flight, departing Sun, 14 Dec from London to Ottawa, returning Sun, 11 Jan, priced at HK$8,332 found 4 days ago

Find the cheapest month to fly from London (LHR) to Ottawa (YOW)

September is typically the cheapest month to fly

From HK$4,014 - HK$8,661 per traveller.
London to Ottawa route information
Origin airport
Heathrow
Destination airport
Macdonald-Cartier Intl.
Return price
HK$5,427
Distance
5315 km

Flights from London to Ottawa

Book cheap flights from London (LHR) to Ottawa (YOW) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from London (LHR) to Ottawa (YOW) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your London (LHR) to Ottawa (YOW) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Ottawa flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Ottawa and things to do in Ottawa for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Ottawa more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Ottawa is HK$4,307 now!

 

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 HK$5,427. 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 kilometers 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-canceling 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.

Explore a world of travel with Expedia

*Available to Expedia members.