€359 Cheap Flights London to Ottawa (LHR-YOW)

View €359 flight on Wed, 17 Jun 2026Opens in a new window

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

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Cheap flights from London to Ottawa (LHR-YOW)

Prices were available within the past 7 days and start at €359 for one-way flights and €575 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Virgin Atlantic
Wed, 12 Nov - Sun, 16 Nov
LHR
London
YOW
Ottawa
€575 Return, found 3 days ago
€575
Return
found 3 days ago
Select Virgin Atlantic flight, departing Wed, 12 Nov from London to Ottawa, returning Sun, 16 Nov, priced at €575 found 3 days ago
Swiss International Air Lines
Fri, 23 Jan - Thu, 29 Jan
LHR
London
YOW
Ottawa
€589 Return, found 2 days ago
€589
Return
found 2 days ago
Select Swiss International Air Lines flight, departing Fri, 23 Jan from London to Ottawa, returning Thu, 29 Jan, priced at €589 found 2 days ago
Virgin Atlantic
Fri, 23 Jan - Thu, 29 Jan
LHR
London
YOW
Ottawa
€594 Return, found 2 days ago
€594
Return
found 2 days ago
Select Virgin Atlantic flight, departing Fri, 23 Jan from London to Ottawa, returning Thu, 29 Jan, priced at €594 found 2 days ago
Swiss International Air Lines
Fri, 23 Jan - Thu, 29 Jan
LHR
London
YOW
Ottawa
€594 Return, found 2 days ago
€594
Return
found 2 days ago
Select Swiss International Air Lines flight, departing Fri, 23 Jan from London to Ottawa, returning Thu, 29 Jan, priced at €594 found 2 days ago
Swiss International Air Lines
Wed, 12 Nov - Sun, 16 Nov
LHR
London
YOW
Ottawa
€595 Return, found 3 days ago
€595
Return
found 3 days ago
Select Swiss International Air Lines flight, departing Wed, 12 Nov from London to Ottawa, returning Sun, 16 Nov, priced at €595 found 3 days ago
Brussels Airlines
Wed, 12 Nov - Sun, 16 Nov
LHR
London
YOW
Ottawa
€596 Return, found 3 days ago
€596
Return
found 3 days ago
Select Brussels Airlines flight, departing Wed, 12 Nov from London to Ottawa, returning Sun, 16 Nov, priced at €596 found 3 days ago
KLM
Thu, 16 Oct - Thu, 23 Oct
LHR
London
YOW
Ottawa
€597 Return, found 17 hours ago
€597
Return
found 17 hours ago
Select KLM flight, departing Thu, 16 Oct from London to Ottawa, returning Thu, 23 Oct, priced at €597 found 17 hours ago
Virgin Atlantic
Wed, 12 Nov - Sun, 16 Nov
LHR
London
YOW
Ottawa
€598 Return, found 3 days ago
€598
Return
found 3 days ago
Select Virgin Atlantic flight, departing Wed, 12 Nov from London to Ottawa, returning Sun, 16 Nov, priced at €598 found 3 days ago
Swiss International Air Lines
Wed, 12 Nov - Sun, 16 Nov
LHR
London
YOW
Ottawa
€601 Return, found 3 days ago
€601
Return
found 3 days ago
Select Swiss International Air Lines flight, departing Wed, 12 Nov from London to Ottawa, returning Sun, 16 Nov, priced at €601 found 3 days ago
Air France
Fri, 23 Jan - Thu, 29 Jan
LHR
London
YOW
Ottawa
€616 Return, found 2 days ago
€616
Return
found 2 days ago
Select Air France flight, departing Fri, 23 Jan from London to Ottawa, returning Thu, 29 Jan, priced at €616 found 2 days ago

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

November is typically the cheapest month to fly

From €442 - €926 per traveller.
London to Ottawa route information
Origin airport
Heathrow
Destination airport
Macdonald-Cartier Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, KLM, LOT-Polish Airlines, Lufthansa, TAP Portugal, United, Virgin Atlantic
Return price
€575
Distance
5315 km
Average flight time
7 hours 20 mins

Perfect flights from London to Ottawa

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from London to Ottawa. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Heathrow to Macdonald-Cartier Intl. ticket options cater to your travel preferences, with incredible one-way fares from €359 and roundtrip prices from €575. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Macdonald-Cartier Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Ottawa.

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 €575. 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.

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