Cheap flights Ottawa (Macdonald-Cartier) to London

From

To

Depart

Return

Passengers

1 passenger, economy

Cheap flights Ottawa to London

Compare prices, duration and stops

Filters

Stops

Direct only 1 stop

Price

315 S$ 637 S$ 637 S$

Airlines

Air Transat Passaredo Linhas Aereas Porter Airlines WestJet

TS 7453

14:00

Ottawa, Macdonald-Cartier (YOW)

Wed, 16 sep

19h 45min

1 stop

09:45

London, London Gatwick Airport (LGW)

Thu, 17 sep +1

346 S$

TS 7865

00:55

Ottawa, Macdonald-Cartier (YOW)

Thu, 17 sep

30h

1 stop

06:55

London, London Gatwick Airport (LGW)

Fri, 18 sep +1

360 S$

TS 7453

14:00

Ottawa, Macdonald-Cartier (YOW)

Thu, 17 sep

19h 45min

1 stop

09:45

London, London Gatwick Airport (LGW)

Fri, 18 sep +1

327 S$

TS 7978

20:00

Ottawa, Macdonald-Cartier (YOW)

Thu, 17 sep

10h 55min

1 stop

06:55

London, London Gatwick Airport (LGW)

Fri, 18 sep +1

359 S$

PD 7978

20:00

Ottawa, Macdonald-Cartier (YOW)

Fri, 18 sep

13h 45min

1 stop

09:45

London, London Gatwick Airport (LGW)

Sat, 19 sep +1

359 S$

TS 156

18:15

Ottawa, Macdonald-Cartier (YOW)

Sun, 20 sep

14h 35min

1 stop

08:50

London, London Gatwick Airport (LGW)

Mon, 21 sep +1

334 S$

TS 382 🔥 Hot deal

23:40

Ottawa, Macdonald-Cartier (YOW)

Fri, 25 sep

7h 15min

Direct

06:55

London, London Gatwick Airport (LGW)

Sat, 26 sep +1

381 S$

PD 7865

00:55

Ottawa, Macdonald-Cartier (YOW)

Sat, 26 sep

30h

1 stop

06:55

London, London Gatwick Airport (LGW)

Sun, 27 sep +1

353 S$

TS 382 Best price

23:40

Ottawa, Macdonald-Cartier (YOW)

Fri, 2 oct

7h 15min

Direct

06:55

London, London Gatwick Airport (LGW)

Sat, 3 oct +1

315 S$

TS 7851

11:00

Ottawa, Macdonald-Cartier (YOW)

Sat, 3 oct

19h 55min

1 stop

06:55

London, London Gatwick Airport (LGW)

Sun, 4 oct +1

357 S$

TS 7453

12:40

Ottawa, Macdonald-Cartier (YOW)

Sat, 3 oct

18h 15min

1 stop

06:55

London, London Gatwick Airport (LGW)

Sun, 4 oct +1

325 S$

TS 382

23:40

Ottawa, Macdonald-Cartier (YOW)

Sun, 4 oct

7h 15min

Direct

06:55

London, London Gatwick Airport (LGW)

Mon, 5 oct +1

346 S$

TS 7851

11:00

Ottawa, Macdonald-Cartier (YOW)

Mon, 5 oct

22h 45min

1 stop

09:45

London, London Gatwick Airport (LGW)

Tue, 6 oct +1

320 S$

TS 7453

14:00

Ottawa, Macdonald-Cartier (YOW)

Mon, 5 oct

19h 45min

1 stop

09:45

London, London Gatwick Airport (LGW)

Tue, 6 oct +1

353 S$

TS 7978

20:00

Ottawa, Macdonald-Cartier (YOW)

Mon, 5 oct

13h 45min

1 stop

09:45

London, London Gatwick Airport (LGW)

Tue, 6 oct +1

326 S$

PD 7978

20:00

Ottawa, Macdonald-Cartier (YOW)

Tue, 6 oct

13h 45min

1 stop

09:45

London, London Gatwick Airport (LGW)

Wed, 7 oct +1

343 S$

PD 7978

20:00

Ottawa, Macdonald-Cartier (YOW)

Wed, 7 oct

13h 45min

1 stop

09:45

London, London Gatwick Airport (LGW)

Thu, 8 oct +1

343 S$

TS 382

23:40

Ottawa, Macdonald-Cartier (YOW)

Fri, 9 oct

7h 15min

Direct

06:55

London, London Gatwick Airport (LGW)

Sat, 10 oct +1

334 S$

TS 7453

12:40

Ottawa, Macdonald-Cartier (YOW)

Sat, 10 oct

18h 15min

1 stop

06:55

London, London Gatwick Airport (LGW)

Sun, 11 oct +1

331 S$

TS 382

23:40

Ottawa, Macdonald-Cartier (YOW)

Sun, 11 oct

7h 15min

Direct

06:55

London, London Gatwick Airport (LGW)

Mon, 12 oct +1

320 S$

TS 7851

11:00

Ottawa, Macdonald-Cartier (YOW)

Thu, 22 oct

19h 55min

1 stop

06:55

London, London Gatwick Airport (LGW)

Fri, 23 oct +1

354 S$

PD 150

11:00

Ottawa, Macdonald-Cartier (YOW)

Thu, 22 oct

19h 55min

1 stop

06:55

London, London Gatwick Airport (LGW)

Fri, 23 oct +1

356 S$

TS 7978

20:00

Ottawa, Macdonald-Cartier (YOW)

Thu, 22 oct

10h 55min

1 stop

06:55

London, London Gatwick Airport (LGW)

Fri, 23 oct +1

325 S$

TS 382

23:40

Ottawa, Macdonald-Cartier (YOW)

Fri, 23 oct

7h 15min

Direct

06:55

London, London Gatwick Airport (LGW)

Sat, 24 oct +1

347 S$

WS 893

10:55

Ottawa, Macdonald-Cartier (YOW)

Sat, 24 oct

26h 45min

2 stops

13:40

London, Stansted Airport (STN)

Sun, 25 oct +1

390 S$

PD 277

22:55

Ottawa, Macdonald-Cartier (YOW)

Fri, 30 oct

37h 55min

1 stop

12:50

London, London Heathrow Airport (LHR)

Sun, 1 nov +1

487 S$

WS 611

10:10

Ottawa, Macdonald-Cartier (YOW)

Sat, 31 oct

26h 40min

1 stop

12:50

London, London Heathrow Airport (LHR)

Sun, 1 nov +1

555 S$

WS 589

10:30

Ottawa, Macdonald-Cartier (YOW)

Sun, 1 nov

26h 10min

2 stops

12:40

London, London Heathrow Airport (LHR)

Mon, 2 nov +1

490 S$

PD 277

23:55

Ottawa, Macdonald-Cartier (YOW)

Mon, 2 nov

36h 55min

1 stop

12:50

London, London Heathrow Airport (LHR)

Wed, 4 nov +1

440 S$

PD 7277

23:55

Ottawa, Macdonald-Cartier (YOW)

Mon, 2 nov

36h 55min

1 stop

12:50

London, London Heathrow Airport (LHR)

Wed, 4 nov +1

447 S$

P3 2449

01:55

Ottawa, Macdonald-Cartier (YOW)

Tue, 3 nov

39h 35min

2 stops

17:30

London, London Heathrow Airport (LHR)

Wed, 4 nov +1

493 S$

WS 611

11:10

Ottawa, Macdonald-Cartier (YOW)

Tue, 3 nov

33h 40min

2 stops

20:50

London, Stansted Airport (STN)

Wed, 4 nov +1

453 S$

WS 611

11:10

Ottawa, Macdonald-Cartier (YOW)

Wed, 4 nov

25h 40min

1 stop

12:50

London, London Heathrow Airport (LHR)

Thu, 5 nov +1

507 S$

PD 277

23:55

Ottawa, Macdonald-Cartier (YOW)

Thu, 5 nov

36h 55min

1 stop

12:50

London, London Heathrow Airport (LHR)

Sat, 7 nov +1

401 S$

WS 615

21:15

Ottawa, Macdonald-Cartier (YOW)

Thu, 19 nov

15h 35min

1 stop

12:50

London, London Heathrow Airport (LHR)

Fri, 20 nov +1

381 S$

PD 154

15:20

Ottawa, Macdonald-Cartier (YOW)

Mon, 4 jan

14h 55min

1 stop

06:15

London, London Heathrow Airport (LHR)

Tue, 5 jan +1

637 S$

WS 615

21:15

Ottawa, Macdonald-Cartier (YOW)

Tue, 5 jan

15h 35min

1 stop

12:50

London, London Heathrow Airport (LHR)

Wed, 6 jan +1

536 S$

PD 277

23:55

Ottawa, Macdonald-Cartier (YOW)

Wed, 6 jan

36h 55min

1 stop

12:50

London, London Heathrow Airport (LHR)

Fri, 8 jan +1

572 S$

Low price calendar

September 2026

Price chart (September 2026)

min: 334 S$ · max: 359 S$

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346 S$

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334 S$

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353 S$

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Cheap flights Ottawa to London

Air Transat

Mon, Wed, Thu, Fri, Sat, Sun

Price from

S$315

Porter Airlines

Mon, Tue, Wed, Thu, Fri, Sat

Price from

S$353

WestJet

Tue, Wed, Thu, Sat, Sun

Price from

S$381

Passaredo Linhas Aereas

Tue

Price from

S$493

Popular destinations from Ottawa

All →

YOW

Ottawa — Toronto

Canada → Canada

YTO

from

S$67

YOW

Ottawa — Toronto

Canada → Canada

YYZ

from

S$67

YOW

Ottawa — Calgary

Canada → Canada

YYC

from

S$70

YOW

Ottawa — Toronto

Canada → Canada

YHM

from

S$82

YOW

Ottawa — Edmonton

Canada → Canada

YEA

from

S$86

YOW

Ottawa — Edmonton

Canada → Canada

YEG

from

S$86

YOW

Ottawa — Winnipeg

Canada → Canada

YWG

from

S$91

YOW

Ottawa — Montreal

Canada → Canada

YUL

from

S$116

YOW

Ottawa — Montreal

Canada → Canada

YMQ

from

S$116

Popular destinations to London

All →

IST

Istanbul — London

Turkiye → United Kingdom

LON

from

S$18

FRA

Frankfurt — London

Germany → United Kingdom

LON

from

S$19

AYT

Antalya — London

Turkiye → United Kingdom

LON

from

S$19

RMO

Chisinau — London

Moldova → United Kingdom

LON

from

S$20

CGN

Cologne — London

Germany → United Kingdom

LON

from

S$21

BFS

Belfast — London

United Kingdom → United Kingdom

LON

from

S$21

DTM

Dortmund — London

Germany → United Kingdom

LON

from

S$22

MIL

Milan — London

Italy → United Kingdom

LON

from

S$22

DUB

Dublin — London

Ireland → United Kingdom

LON

from

S$22

Cheap flights Ottawa to London

Interesting facts about the route

Flight time

19h 45min

Distance

5 379 km

Average price

S$356

Most frequent flight

TS 382

Passenger reviews

No reviews for this route yet

Internet abroad

eSIM · United Kingdom

ukimobile

3 GB

data

30

days

S$14

ukimobile

5 GB

data

30

days

S$17

ukimobile

5 GB

data

30

days

S$20

ukimobile

10 GB

data

30

days

S$25

ukimobile

10 GB

data

30

days

S$35

Frequently Asked Questions

The average ticket price Ottawa London is S$356. The cheapest ticket costs S$327, operated by Air Transat, flight 7453, departing Ottawa on 17 September at 14:00, arriving London on 18 September at 09:45.

The average flight time is 19 hours 45 minutes. The fastest flight takes 10 hours 55 minutes, flight 7978 operated by Air Transat, departing Ottawa on 17 September at 20:00, arriving London on 18 September at 06:55.

Flights on the Ottawa - London route are operated by the following airlines: Passaredo Linhas Aereas, Porter Airlines, Air Transat, WestJet.

The distance from Ottawa to London is 5379 km.