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London To Ottawa 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 London to Ottawa. 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 London To Ottawa

Cheapest
TAP Air Portugal
TAP Air Portugal

LGW

10:35

London

London Gatwick Airport

Mon , 01 Sep 2025

18h 45m
ellipse
2 Stop

YOW

00:20

Ottawa

Ottawa Macdonald Cartier International Airport

Tue, 02 Sep 2025

£610
WestJet Airlines
WestJet Airlines

LGW

10:45

London

London Gatwick Airport

Mon , 01 Sep 2025

18h 37m
ellipse
2 Stop

YOW

00:22

Ottawa

Ottawa Macdonald Cartier International Airport

Tue, 02 Sep 2025

£1037
Air Transat
Air Transat

LGW

09:40

London

London Gatwick Airport

Mon , 01 Sep 2025

15h 56m
ellipse
1 Stop

YOW

20:36

Ottawa

Ottawa Macdonald Cartier International Airport

Mon, 01 Sep 2025

£1183
Swiss
Swiss

LGW

18:35

London

London Gatwick Airport

Mon , 01 Sep 2025

27h 29m
ellipse
2 Stop

YOW

17:04

Ottawa

Ottawa Macdonald Cartier International Airport

Tue, 02 Sep 2025

£1237
Air Transat
Air Transat

LGW

12:40

London

London Gatwick Airport

Mon , 01 Sep 2025

12h 56m
ellipse
1 Stop

YOW

20:36

Ottawa

Ottawa Macdonald Cartier International Airport

Mon, 01 Sep 2025

£1407
American Airlines
American Airlines

LGW

15:05

London

London Gatwick Airport

Mon , 01 Sep 2025

14h 17m
ellipse
2 Stop

YOW

00:22

Ottawa

Ottawa Macdonald Cartier International Airport

Tue, 02 Sep 2025

£1587
Icelandair
Icelandair

LGW

15:40

London

London Gatwick Airport

Mon , 01 Sep 2025

20h 39m
ellipse
2 Stop

YOW

07:19

Ottawa

Ottawa Macdonald Cartier International Airport

Tue, 02 Sep 2025

£1599
British Airways
British Airways

LGW

15:05

London

London Gatwick Airport

Mon , 01 Sep 2025

14h 17m
ellipse
2 Stop

YOW

00:22

Ottawa

Ottawa Macdonald Cartier International Airport

Tue, 02 Sep 2025

£1610
Finnair
Finnair

LGW

15:05

London

London Gatwick Airport

Mon , 01 Sep 2025

14h 17m
ellipse
2 Stop

YOW

00:22

Ottawa

Ottawa Macdonald Cartier International Airport

Tue, 02 Sep 2025

£1613
Delta Airlines
Delta Airlines

LGW

12:00

London

London Gatwick Airport

Mon , 01 Sep 2025

17h 22m
ellipse
2 Stop

YOW

00:22

Ottawa

Ottawa Macdonald Cartier International Airport

Tue, 02 Sep 2025

£1778
TAP Air Portugal
TAP Air Portugal

LGW

10:35

London

London Gatwick Airport

Mon , 01 Sep 2025

27h 25m
ellipse
2 Stop

YOW

09:00

Ottawa

Ottawa Macdonald Cartier International Airport

Tue, 02 Sep 2025

£4380
ellipse

Early Morning Flight London to Ottawa

wallet
Cheapest Flight
Found
£1183
group
Average Flight
Time
15h 56m
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Date/Time
01 Sep 2025
09:40 AM
plane
Airlines
Air Transat
Ellipse

Late Night Flight London to Ottawa

wallet
Cheapest Flight
Found
£1237
group
Average Flight
Time
27h 29m
calendar
Date/Time
01 Sep 2025
18:35 PM
plane
Airlines
Swiss

Flights from London to Ottawa with Easemytrip

Flying from London to Ottawa 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 London to Ottawa is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between London Gatwick Airport (LGW) and Ottawa Macdonald Cartier International Airport (YOW). You can expect a flight distance of approximately 5378 km, and most direct services cover it in around 13:21.

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

Travel Overview: London to Ottawa

Flight Details Information
Route Distance 5378 km
Average Flight Time 13:21 hrs
Departure Airport London Gatwick Airport (LGW)
Arrival Airport Ottawa Macdonald Cartier International Airport (YOW)
Cabin Classes Available Economy Class, Premium Economy, Business Class, First Class
Direct Flights NO
Common Airlines TAP Air Portugal, WestJet Airlines, Air Transat, Swiss

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 London to Ottawa

Are there direct flights from London to Ottawa?

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?