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Ottawa To London Flights

  • One-Way
  • Round-Trip
  • Multi-City

From

Indira Gandhi International Airport

To

Chhatrapati Shivaji International Airport

DEPARTURE DATE

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Friday

Return Date

Book a round trip
to save more

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TRAVELLER & CLASS

1 Traveller

Economy

September
October
November
December
January
February
March
April
August

September is by far the best month, wherein you can get cheapest flights for Ottawa to London. Meanwhile, is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.

disclDisclaimer - All the above-mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

Best Flight From Ottawa To London

Cheapest
WestJet Airlines
WestJet Airlines

YOW

06:00

Ottawa

Ottawa Macdonald Cartier International Airport

Tue , 02 Sep 2025

25h 05m
ellipse
1 Stop

LHR

12:05

London

London Heathrow Airport

Wed, 03 Sep 2025

£506
Aer Lingus
Aer Lingus

YOW

11:55

Ottawa

Ottawa Macdonald Cartier International Airport

Tue , 02 Sep 2025

15h 05m
ellipse
2 Stop

LHR

08:00

London

London Heathrow Airport

Wed, 03 Sep 2025

£572
Aer Lingus
Aer Lingus

YOW

13:55

Ottawa

Ottawa Macdonald Cartier International Airport

Tue , 02 Sep 2025

13h 05m
ellipse
2 Stop

LHR

08:00

London

London Heathrow Airport

Wed, 03 Sep 2025

£572
Virgin Atlantic Airways
Virgin Atlantic Airways

YOW

17:15

Ottawa

Ottawa Macdonald Cartier International Airport

Tue , 02 Sep 2025

15h 30m
ellipse
1 Stop

LHR

13:45

London

London Heathrow Airport

Wed, 03 Sep 2025

£594
Lufthansa
Lufthansa

YOW

16:05

Ottawa

Ottawa Macdonald Cartier International Airport

Tue , 02 Sep 2025

09h 25m
ellipse
1 Stop

LHR

06:30

London

London Heathrow Airport

Wed, 03 Sep 2025

£642
WestJet Airlines
WestJet Airlines

YOW

15:35

Ottawa

Ottawa Macdonald Cartier International Airport

Tue , 02 Sep 2025

15h 30m
ellipse
1 Stop

LHR

12:05

London

London Heathrow Airport

Wed, 03 Sep 2025

£698
Swiss
Swiss

YOW

11:05

Ottawa

Ottawa Macdonald Cartier International Airport

Tue , 02 Sep 2025

15h 50m
ellipse
2 Stop

LHR

07:55

London

London Heathrow Airport

Wed, 03 Sep 2025

£759
Air Canada
Air Canada

YOW

07:00

Ottawa

Ottawa Macdonald Cartier International Airport

Tue , 02 Sep 2025

09h 00m
ellipse
1 Stop

LHR

21:00

London

London Heathrow Airport

Tue, 02 Sep 2025

£780
United Airlines
United Airlines

YOW

14:48

Ottawa

Ottawa Macdonald Cartier International Airport

Tue , 02 Sep 2025

10h 07m
ellipse
1 Stop

LHR

05:55

London

London Heathrow Airport

Wed, 03 Sep 2025

£800
Austrian Airlines
Austrian Airlines

YOW

19:50

Ottawa

Ottawa Macdonald Cartier International Airport

Tue , 02 Sep 2025

11h 00m
ellipse
1 Stop

LHR

11:50

London

London Heathrow Airport

Wed, 03 Sep 2025

£811
Virgin Atlantic Airways
Virgin Atlantic Airways

YOW

17:15

Ottawa

Ottawa Macdonald Cartier International Airport

Tue , 02 Sep 2025

09h 45m
ellipse
1 Stop

LHR

08:00

London

London Heathrow Airport

Wed, 03 Sep 2025

£944
ellipse

Early Morning Flight Ottawa to London

wallet
Cheapest Flight
Found
£506
group
Average Flight
Time
25h 05m
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Date/Time
02 Sep 2025
06:00 AM
plane
Airlines
WestJet Airlines
Ellipse

Late Night Flight Ottawa to London

wallet
Cheapest Flight
Found
£811
group
Average Flight
Time
11h 00m
calendar
Date/Time
02 Sep 2025
19:50 PM
plane
Airlines
Austrian Airlines

Flights from Ottawa to London with Easemytrip

Flying from Ottawa to London has never been easier. Whether you’re planning a short business trip, a weekend getaway, or reconnecting with family and friends, Easemytrip brings you the best deals, seamless booking, and flexible options for this popular flight route. Our platform is built to help travellers like you compare flight prices, explore direct and connecting options, and find the perfect departure time — all within a few clicks.

The air route between Ottawa to London is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between Ottawa Macdonald Cartier International Airport (YOW) and London Heathrow Airport (LHR). You can expect a flight distance of approximately 5346 km, and most direct services cover it in around 18:34.

Let’s take a closer look at everything you need to know before booking your flight from Ottawa to London.

Travel Overview: Ottawa to London

Flight Details Information
Route Distance 5346 km
Average Flight Time 18:34 hrs
Departure Airport Ottawa Macdonald Cartier International Airport (YOW)
Arrival Airport London Heathrow Airport (LHR)
Cabin Classes Available Economy Class, Premium Economy, Business Class, First Class
Direct Flights NO
Common Airlines WestJet Airlines, Aer Lingus, Virgin Atlantic Airways, Lufthansa

The route is serviced regularly by both full-service and budget airlines, catering to all types of travellers — from those looking for no-frills budget options to those preferring business and first-class comfort. If you're flying for business, early morning weekday flights are a great choice, while leisure travellers often opt for weekend and evening departures.

Read more

FAQs about flights from Ottawa to London

Are there direct flights from Ottawa to London?

How early should I book?

Which airlines offer the most frequent service?

Is it cheaper to fly round-trip or one-way?

Can I mix airlines for departure and return?

Is it possible to change or cancel my booking after confirmation?

Can I book additional baggage or in-flight services in advance?