
Popular airlines from Ottawa to London (LHR-Heathrow)
- Air Canada
Air Canada
- Lufthansa
Lufthansa
- Aer Lingus
Aer Lingus
- Virgin Atlantic
Virgin Atlantic
- LOT-Polish Airlines
LOT-Polish Airlines
- Swiss International Air Lines
Swiss International Air Lines
- TAP Portugal
TAP Portugal
- Be in the knowGet alerts if flight prices drop or rise*
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Cheap flights from Ottawa to London (YOW-LHR)
Prices were available within the past 7 days and start at €536 for one-way flights and €623 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, 6 Feb - Sun, 15 Feb
YOW
Ottawa
LHR
London
€623 Return, found 3 days ago
€623
Return
found 3 days ago

Fri, 6 Feb - Sun, 15 Feb
YOW
Ottawa
LHR
London
€625 Return, found 3 days ago
€625
Return
found 3 days ago

Fri, 6 Feb - Sun, 15 Feb
YOW
Ottawa
LHR
London
€625 Return, found 3 days ago
€625
Return
found 3 days ago

Sun, 18 Jan - Sun, 25 Jan
YOW
Ottawa
LHR
London
€626 Return, found 14 hours ago
€626
Return
found 14 hours ago

Fri, 6 Feb - Sun, 15 Feb
YOW
Ottawa
LHR
London
€628 Return, found 3 days ago
€628
Return
found 3 days ago

Fri, 6 Feb - Sun, 15 Feb
YOW
Ottawa
LHR
London
€630 Return, found 3 days ago
€630
Return
found 3 days ago

Fri, 6 Feb - Sun, 15 Feb
YOW
Ottawa
LHR
London
€632 Return, found 3 days ago
€632
Return
found 3 days ago

Fri, 6 Feb - Sun, 15 Feb
YOW
Ottawa
LHR
London
€647 Return, found 3 days ago
€647
Return
found 3 days ago

Sun, 18 Jan - Sun, 25 Jan
YOW
Ottawa
LHR
London
€797 Return, found 14 hours ago
€797
Return
found 14 hours ago

Fri, 6 Feb - Sun, 15 Feb
YOW
Ottawa
LHR
London
€832 Return, found 3 days ago
€832
Return
found 3 days ago
Find the cheapest month to fly from Ottawa (YOW) to London (LHR)
November is typically the cheapest month to fly
From €479 - €1,029 per traveller.
Origin airport | Macdonald-Cartier Intl. |
|---|---|
Destination airport | Heathrow |
Airlines serving | Aer Lingus, Air Canada, Air France, KLM, LOT-Polish Airlines, Lufthansa, Swiss International Air Lines, United, Virgin Atlantic |
Return price | €622 |
Distance | 5315 km |
Average flight time | 6 hours 25 mins |
Perfect flights from Ottawa to London
Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Ottawa to London. 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 Macdonald-Cartier Intl. to Heathrow ticket options cater to your travel preferences, with incredible one-way fares from €536 and roundtrip prices from €623. 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 Heathrow 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 London.
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