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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

July
August
September
October
November
December
January
February
March
April

July is by far the best month, wherein you can get cheapest flights for London to Ottawa. Meanwhile, May 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.

Things to know
arrow One Way Fare
July

July- During this month the footfall is less so, the flight is gradually inexpensive.

round Round Trip Fare
July

July - is the cheapest month to book round trip flights.

Cheaper Fare
£ 596

Cheapest Fare- Currently, this is the fare price based on the current demand.

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

Air Canada
Air Canada

London

15:20

London

London Heathrow Airport

Sat , 18 Jul 2026

11h 45m
ellipse
1 Stop

Ottawa

22:05

Ottawa

Ottawa Macdonald Cartier International Airport

Sat, 18 Jul 2026

£532
United Airlines
United Airlines

London

12:15

London

London Heathrow Airport

Sat , 18 Jul 2026

16h 39m
ellipse
1 Stop

Ottawa

23:54

Ottawa

Ottawa Macdonald Cartier International Airport

Sat, 18 Jul 2026

£532
United Airlines
United Airlines

London

15:20

London

London Heathrow Airport

Sat , 18 Jul 2026

11h 45m
ellipse
1 Stop

Ottawa

22:05

Ottawa

Ottawa Macdonald Cartier International Airport

Sat, 18 Jul 2026

£546
Virgin Atlantic Airways
Virgin Atlantic Airways

London

09:00

London

London Heathrow Airport

Sat , 18 Jul 2026

11h 00m
ellipse
1 Stop

Ottawa

15:00

Ottawa

Ottawa Macdonald Cartier International Airport

Sat, 18 Jul 2026

£565
Aer Lingus
Aer Lingus

London

07:40

London

London Heathrow Airport

Sat , 18 Jul 2026

16h 30m
ellipse
2 Stop

Ottawa

19:10

Ottawa

Ottawa Macdonald Cartier International Airport

Sat, 18 Jul 2026

£615
Aer Lingus
Aer Lingus

London

08:50

London

London Heathrow Airport

Sat , 18 Jul 2026

15h 20m
ellipse
2 Stop

Ottawa

19:10

Ottawa

Ottawa Macdonald Cartier International Airport

Sat, 18 Jul 2026

£615
TAP Air Portugal
TAP Air Portugal

London

06:00

London

London Heathrow Airport

Sat , 18 Jul 2026

16h 10m
ellipse
2 Stop

Ottawa

17:10

Ottawa

Ottawa Macdonald Cartier International Airport

Sat, 18 Jul 2026

£667
WestJet Airlines
WestJet Airlines

London

14:10

London

London Heathrow Airport

Sat , 18 Jul 2026

15h 30m
ellipse
1 Stop

Ottawa

00:40

Ottawa

Ottawa Macdonald Cartier International Airport

Sun, 19 Jul 2026

£810
LOT Polish Airlines
LOT Polish Airlines

London

06:30

London

London Heathrow Airport

Sat , 18 Jul 2026

19h 45m
ellipse
2 Stop

Ottawa

21:15

Ottawa

Ottawa Macdonald Cartier International Airport

Sat, 18 Jul 2026

£816
LOT Polish Airlines
LOT Polish Airlines

London

06:30

London

London Heathrow Airport

Sat , 18 Jul 2026

15h 40m
ellipse
2 Stop

Ottawa

17:10

Ottawa

Ottawa Macdonald Cartier International Airport

Sat, 18 Jul 2026

£890
Finnair
Finnair

London

17:05

London

London Heathrow Airport

Sat , 18 Jul 2026

12h 15m
ellipse
1 Stop

Ottawa

00:20

Ottawa

Ottawa Macdonald Cartier International Airport

Sun, 19 Jul 2026

£1016
ellipse

Find the Lowest Airfare London to Ottawa

Cheapest Fares
Fare
Date
Airline
Departure
Lowest Airfare
£596
01 May 2026
Air Transat
12:40 AM
Cheapest Airfare Within 30 Days
£596
01 May 2026
Air Transat
12:40 AM
Cheapest Airfare Within 90 Days
£511
17 July 2026
Air Transat
09:40 AM
ellipse

Early Morning Flight London to Ottawa

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Cheapest Flight
Found
£667
group
Average Flight
Time
16h 10m
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Date/Time
18 Jul 2026
06:00 AM
plane
Airlines
TAP Air Portugal
Ellipse

Late Night Flight London to Ottawa

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Cheapest Flight
Found
£532
group
Average Flight
Time
11h 45m
calendar
Date/Time
18 Jul 2026
15:20 PM
plane
Airlines
Air Canada

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 Heathrow Airport (LHR) and Ottawa Macdonald Cartier International Airport (YOW). You can expect a flight distance of approximately 5346 km, and most direct services cover it in around 09:45.

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 5346 km
Average Flight Time 09:45 hrs
Departure Airport London Heathrow Airport (LHR)
Arrival Airport Ottawa Macdonald Cartier International Airport (YOW)
Cabin Classes Available Economy Class, Premium Economy, Business Class, First Class
Direct Flights NO
Common Airlines Air Canada, United Airlines, Virgin Atlantic Airways, Aer Lingus

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?