S$892 Cheap Flights from Ottawa to London

View S$892 flight on Mon, 29 Sep, 2025Opens in a new window

Popular airlines from Ottawa International Airport (YOW) to London

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Cheap Flights from Ottawa to London (YOW-LON)

Prices were available within the past 7 days and start at S$892 for one-way flights and S$1,361 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Virgin Atlantic
Sat, 2 Aug - Sat, 9 Aug
YOW
Ottawa
LHR
London
S$1,361 Return, found 6 days ago
S$1,361
Return
found 6 days ago
Select Virgin Atlantic flight, departing Sat, 2 Aug from Ottawa to London, returning Sat, 9 Aug, priced at S$1,361 found 6 days ago
KLM
Fri, 8 Aug - Fri, 15 Aug
XDS
Ottawa
LHR
London
S$1,413 Return, found 1 day ago
S$1,413
Return
found 1 day ago
Select KLM flight, departing Fri, 8 Aug from Ottawa to London, returning Fri, 15 Aug, priced at S$1,413 found 1 day ago
Virgin Atlantic
Sat, 2 Aug - Sat, 9 Aug
YOW
Ottawa
LHR
London
S$1,432 Return, found 6 days ago
S$1,432
Return
found 6 days ago
Select Virgin Atlantic flight, departing Sat, 2 Aug from Ottawa to London, returning Sat, 9 Aug, priced at S$1,432 found 6 days ago
Virgin Atlantic
Sat, 2 Aug - Sat, 9 Aug
YOW
Ottawa
LHR
London
S$1,493 Return, found 6 days ago
S$1,493
Return
found 6 days ago
Select Virgin Atlantic flight, departing Sat, 2 Aug from Ottawa to London, returning Sat, 9 Aug, priced at S$1,493 found 6 days ago
Virgin Atlantic
Sat, 2 Aug - Sat, 9 Aug
YOW
Ottawa
LHR
London
S$1,546 Return, found 6 days ago
S$1,546
Return
found 6 days ago
Select Virgin Atlantic flight, departing Sat, 2 Aug from Ottawa to London, returning Sat, 9 Aug, priced at S$1,546 found 6 days ago
Air Canada
Fri, 8 Aug - Fri, 15 Aug
YOW
Ottawa
LHR
London
S$1,564 Return, found 1 day ago
S$1,564
Return
found 1 day ago
Select Air Canada flight, departing Fri, 8 Aug from Ottawa to London, returning Fri, 15 Aug, priced at S$1,564 found 1 day ago
Air Canada
Sat, 2 Aug - Sat, 9 Aug
YOW
Ottawa
LHR
London
S$1,571 Return, found 6 days ago
S$1,571
Return
found 6 days ago
Select Air Canada flight, departing Sat, 2 Aug from Ottawa to London, returning Sat, 9 Aug, priced at S$1,571 found 6 days ago
Air Canada
Fri, 8 Aug - Fri, 15 Aug
YOW
Ottawa
LHR
London
S$1,573 Return, found 1 day ago
S$1,573
Return
found 1 day ago
Select Air Canada flight, departing Fri, 8 Aug from Ottawa to London, returning Fri, 15 Aug, priced at S$1,573 found 1 day ago
United
Fri, 8 Aug - Fri, 15 Aug
YOW
Ottawa
LHR
London
S$1,585 Return, found 1 day ago
S$1,585
Return
found 1 day ago
Select United flight, departing Fri, 8 Aug from Ottawa to London, returning Fri, 15 Aug, priced at S$1,585 found 1 day ago
Lufthansa
Sat, 2 Aug - Sat, 9 Aug
YOW
Ottawa
LHR
London
S$1,604 Return, found 6 days ago
S$1,604
Return
found 6 days ago
Select Lufthansa flight, departing Sat, 2 Aug from Ottawa to London, returning Sat, 9 Aug, priced at S$1,604 found 6 days ago

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

May is typically the cheapest month to fly

From S$715 - S$983 per traveller.

Graph displaying average flight prices per month

Ottawa to London route information
Origin airport
Macdonald-Cartier Intl.
Destination airport
Heathrow
Return price
S$1,361
Distance
5315 km

Perfect flights from Ottawa to London

Your Journey from Ottawa to London

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Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Virgin Atlantic, Air France, Air Canada, KLM, Lufthansa, United. Our selection of flights from Macdonald-Cartier Intl. to LON-All Airports 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 Ottawa to London Flights

Experience the joy of finding cheap flights from Macdonald-Cartier Intl. to LON-All Airports that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$892 and roundtrip prices from S$1,361*.
 

Pre-Flight Essentials

Ensure a smooth journey from Ottawa to London 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 London

Picture yourself stepping off the plane in London 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 Ottawa to London 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 Ottawa to London.
 

Beyond the Flight – Exploring London

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Book Your Flight from Ottawa to London with Confidence

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*Note: Prices may vary based on availability and are subject to change.

Explore a world of travel with Expedia

London Airports

London

Ottawa to Heathrow
S$1,361.00
*Available to Expedia members.