S$1,026 Cheap Flights from London to Ottawa

View S$1,026 flight on Mon, 25 Aug, 2025Opens 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 S$1,026 for one-way flights and S$884 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Fri, 17 Oct - Sat, 25 Oct
LHR
London
YOW
Ottawa
S$884 Return, found 3 days ago
S$884
Return
found 3 days ago
Select KLM flight, departing Fri, 17 Oct from London to Ottawa, returning Sat, 25 Oct, priced at S$884 found 3 days ago
KLM
Wed, 15 Oct - Thu, 23 Oct
LHR
London
YOW
Ottawa
S$888 Return, found 3 days ago
S$888
Return
found 3 days ago
Select KLM flight, departing Wed, 15 Oct from London to Ottawa, returning Thu, 23 Oct, priced at S$888 found 3 days ago
Swiss International Air Lines
Thu, 28 Aug - Wed, 3 Sep
LHR
London
YOW
Ottawa
S$893 Return, found 3 days ago
S$893
Return
found 3 days ago
Select Swiss International Air Lines flight, departing Thu, 28 Aug from London to Ottawa, returning Wed, 3 Sep, priced at S$893 found 3 days ago
Air France
Wed, 15 Oct - Thu, 23 Oct
LHR
London
YOW
Ottawa
S$901 Return, found 3 days ago
S$901
Return
found 3 days ago
Select Air France flight, departing Wed, 15 Oct from London to Ottawa, returning Thu, 23 Oct, priced at S$901 found 3 days ago
Swiss International Air Lines
Thu, 28 Aug - Wed, 3 Sep
LHR
London
YOW
Ottawa
S$926 Return, found 3 days ago
S$926
Return
found 3 days ago
Select Swiss International Air Lines flight, departing Thu, 28 Aug from London to Ottawa, returning Wed, 3 Sep, priced at S$926 found 3 days ago
Swiss International Air Lines
Thu, 28 Aug - Wed, 3 Sep
LHR
London
YOW
Ottawa
S$929 Return, found 3 days ago
S$929
Return
found 3 days ago
Select Swiss International Air Lines flight, departing Thu, 28 Aug from London to Ottawa, returning Wed, 3 Sep, priced at S$929 found 3 days ago
Swiss International Air Lines
Thu, 28 Aug - Wed, 3 Sep
LHR
London
YOW
Ottawa
S$935 Return, found 3 days ago
S$935
Return
found 3 days ago
Select Swiss International Air Lines flight, departing Thu, 28 Aug from London to Ottawa, returning Wed, 3 Sep, priced at S$935 found 3 days ago
Lufthansa
Wed, 15 Oct - Thu, 23 Oct
LHR
London
YOW
Ottawa
S$940 Return, found 3 days ago
S$940
Return
found 3 days ago
Select Lufthansa flight, departing Wed, 15 Oct from London to Ottawa, returning Thu, 23 Oct, priced at S$940 found 3 days ago
Air Canada
Wed, 15 Oct - Thu, 23 Oct
LHR
London
YOW
Ottawa
S$948 Return, found 3 days ago
S$948
Return
found 3 days ago
Select Air Canada flight, departing Wed, 15 Oct from London to Ottawa, returning Thu, 23 Oct, priced at S$948 found 3 days ago
Swiss International Air Lines
Thu, 28 Aug - Wed, 3 Sep
LHR
London
YOW
Ottawa
S$954 Return, found 3 days ago
S$954
Return
found 3 days ago
Select Swiss International Air Lines flight, departing Thu, 28 Aug from London to Ottawa, returning Wed, 3 Sep, priced at S$954 found 3 days ago

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

November is typically the cheapest month to fly

From S$665 - S$1,390 per traveller.

Graph displaying average flight prices per month

London to Ottawa route information
Origin airport
Heathrow
Destination airport
Macdonald-Cartier Intl.
Return price
S$884
Distance
5315 km
Average flight time
7 hours 20 mins

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 KLM, Swiss International Air Lines, Air France, Lufthansa, Air Canada, LOT-Polish Airlines, Virgin Atlantic. 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$1,026 and roundtrip prices from S$884*.
 

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.

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$884. 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.

Explore a world of travel with Expedia

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