S$1,442 Cheap Flights from London to Ottawa

View S$1,442 flight on Fri, 23 Jan, 2026Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Ottawa

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Cheap Flights from London to Ottawa (LHR-YOW)

Prices were available within the past 7 days and start at S$1,442 for one-way flights and S$863 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Virgin Atlantic
Fri, 23 Jan - Sun, 1 Feb
LHR
London
YOW
Ottawa
S$863 Return, found 1 day ago
S$863
Return
found 1 day ago
Select Virgin Atlantic flight, departing Fri, 23 Jan from London to Ottawa, returning Sun, 1 Feb, priced at S$863 found 1 day ago
Virgin Atlantic
Fri, 23 Jan - Sun, 1 Feb
LHR
London
YOW
Ottawa
S$900 Return, found 1 day ago
S$900
Return
found 1 day ago
Select Virgin Atlantic flight, departing Fri, 23 Jan from London to Ottawa, returning Sun, 1 Feb, priced at S$900 found 1 day ago
Lufthansa
Fri, 23 Jan - Sun, 1 Feb
LHR
London
YOW
Ottawa
S$916 Return, found 1 day ago
S$916
Return
found 1 day ago
Select Lufthansa flight, departing Fri, 23 Jan from London to Ottawa, returning Sun, 1 Feb, priced at S$916 found 1 day ago
Lufthansa
Fri, 23 Jan - Sun, 1 Feb
LHR
London
YOW
Ottawa
S$926 Return, found 1 day ago
S$926
Return
found 1 day ago
Select Lufthansa flight, departing Fri, 23 Jan from London to Ottawa, returning Sun, 1 Feb, priced at S$926 found 1 day ago
Air France
Fri, 23 Jan - Sun, 1 Feb
LHR
London
YOW
Ottawa
S$936 Return, found 1 day ago
S$936
Return
found 1 day ago
Select Air France flight, departing Fri, 23 Jan from London to Ottawa, returning Sun, 1 Feb, priced at S$936 found 1 day ago
Lufthansa
Fri, 23 Jan - Sun, 1 Feb
LHR
London
YOW
Ottawa
S$944 Return, found 1 day ago
S$944
Return
found 1 day ago
Select Lufthansa flight, departing Fri, 23 Jan from London to Ottawa, returning Sun, 1 Feb, priced at S$944 found 1 day ago
Air Canada
Fri, 23 Jan - Sun, 1 Feb
LHR
London
YOW
Ottawa
S$945 Return, found 1 day ago
S$945
Return
found 1 day ago
Select Air Canada flight, departing Fri, 23 Jan from London to Ottawa, returning Sun, 1 Feb, priced at S$945 found 1 day ago
Air Canada
Fri, 23 Jan - Sun, 1 Feb
LHR
London
YOW
Ottawa
S$949 Return, found 1 day ago
S$949
Return
found 1 day ago
Select Air Canada flight, departing Fri, 23 Jan from London to Ottawa, returning Sun, 1 Feb, priced at S$949 found 1 day ago
Lufthansa
Fri, 23 Jan - Sun, 1 Feb
LHR
London
YOW
Ottawa
S$952 Return, found 1 day ago
S$952
Return
found 1 day ago
Select Lufthansa flight, departing Fri, 23 Jan from London to Ottawa, returning Sun, 1 Feb, priced at S$952 found 1 day ago
Lufthansa
Fri, 23 Jan - Sun, 1 Feb
LHR
London
YOW
Ottawa
S$954 Return, found 1 day ago
S$954
Return
found 1 day ago
Select Lufthansa flight, departing Fri, 23 Jan from London to Ottawa, returning Sun, 1 Feb, priced at S$954 found 1 day ago
Air Canada
Fri, 23 Jan - Sun, 1 Feb
LHR
London
YOW
Ottawa
S$956 Return, found 1 day ago
S$956
Return
found 1 day ago
Select Air Canada flight, departing Fri, 23 Jan from London to Ottawa, returning Sun, 1 Feb, priced at S$956 found 1 day ago
Air Canada
Fri, 23 Jan - Sun, 1 Feb
LHR
London
YOW
Ottawa
S$960 Return, found 1 day ago
S$960
Return
found 1 day ago
Select Air Canada flight, departing Fri, 23 Jan from London to Ottawa, returning Sun, 1 Feb, priced at S$960 found 1 day ago
Brussels Airlines
Fri, 23 Jan - Sun, 1 Feb
LHR
London
YOW
Ottawa
S$963 Return, found 1 day ago
S$963
Return
found 1 day ago
Select Brussels Airlines flight, departing Fri, 23 Jan from London to Ottawa, returning Sun, 1 Feb, priced at S$963 found 1 day ago

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

November is typically the cheapest month to fly

From S$670 - S$1,395 per traveller.

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 S$863. 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
Air Canada, Air France, LOT-Polish Airlines, Lufthansa, Swiss International Air Lines, United, Virgin Atlantic
Return price
S$863
Distance
5315 km
Average flight time
7 hours 30 mins

Book with confidence

Perfect flights from London to Ottawa

Your Journey from London to Ottawa

Start your unforgettable journey with Expedia. Our broad selection of flights from London to Ottawa caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Virgin Atlantic, Lufthansa, Air France, Air Canada, Brussels Airlines, LOT-Polish Airlines, KLM, British Airways, American Airlines. Our selection of flights from Heathrow to Macdonald-Cartier Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with London to Ottawa Flights

Experience the joy of finding cheap flights from Heathrow to Macdonald-Cartier Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$1,442 and roundtrip prices from S$863*.
 

Pre-Flight Essentials

Ensure a smooth journey from London to Ottawa with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Ottawa

Picture yourself stepping off the plane in Ottawa and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your London to Ottawa Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from London to Ottawa.
 

Beyond the Flight – Exploring Ottawa

With Expedia, your adventure extends beyond the flight. Explore Ottawa at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from London to Ottawa with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from London to Ottawa with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.
Perfect flights from London to Ottawa

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