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Cheap flights from Ottawa to London Gatwick Airport from C$ 522

YOW — LGW
19 Nov — 26 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ottawa to Gatwick

Enter your travel dates to find the best prices.

Cheapest flights from Ottawa to Gatwick

Wed 11/1112:30 p.m. -
3 stops16h 50m
Mon 16/117:00 a.m. -
2 stops20h 32m
Deal found 16/10C$ 975
Thu 12/115:40 p.m. -
2 stops18h 00m
Tue 17/118:05 a.m. -
2 stops19h 27m
Deal found 16/10C$ 977
Wed 11/1110:50 a.m. -
2 stops18h 30m
Wed 18/118:00 a.m. -
2 stops16h 47m
Deal found 17/10C$ 980
Tue 10/119:00 a.m. -
2 stops26h 40m
Tue 17/118:05 a.m. -
2 stops19h 27m
Deal found 18/10C$ 996
Wed 4/116:10 p.m. -
2 stops18h 35m
Mon 9/117:55 a.m. -
2 stops19h 37m
Deal found 16/10C$ 1,000
Mon 30/1110:50 a.m. -
2 stops21h 30m
Mon 7/124:35 p.m. -
3 stops34h 57m
Deal found 16/10C$ 1,001
Tue 1/125:40 p.m. -
2 stops18h 00m
Sun 6/127:45 a.m. -
2 stops19h 05m
Deal found 16/10C$ 1,011
Sun 22/115:40 p.m. -
2 stops13h 40m
Fri 27/117:40 a.m. -
3 stops19h 12m
Deal found 19/10C$ 1,014
Fri 13/1112:30 p.m. -
3 stops16h 45m
Wed 18/118:00 a.m. -
2 stops19h 32m
Deal found 16/10C$ 1,015
Fri 20/1110:50 a.m. -
2 stops23h 15m
Wed 25/118:00 a.m. -
2 stops16h 47m
Deal found 16/10C$ 1,018

Find flight deals from Ottawa to Gatwick

Round-trip from

C$ 862

One-way from

C$ 522

Popular in

December

Cheapest in

September

Average price

C$ 958

Good round-trip deal

C$ 698 or less
Air Transat
  • Air Transat
  • 14/4-22/4
  • 2 total stops
  • 34h 00m total
  • Ottawa to London
Search Deals
30/11-31/12
  • 30/11-31/12
  • 2 total stops
  • 44h 05m total
  • Ottawa to London
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2026
Search Deals
Price to beat on a round-trip flight from Ottawa to London Gatwick.
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Ottawa to London Gatwick Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Mon 30/11

6:10 a.m.-7:15 a.m.

2 stops44h 05m

London Gatwick

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 522

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Sun 22/11

6:10 a.m.-7:20 a.m.

2 stops44h 10m

London Gatwick

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 543

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Sat 5/12

6:55 p.m.-7:15 a.m.

2 stops55h 20m

London Gatwick

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 543

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Tue 1/12

4:15 p.m.-4:40 p.m.

2 stops43h 25m

London Gatwick

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 543

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Mon 23/11

6:55 p.m.-4:40 p.m.

2 stops40h 45m

London Gatwick

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 544

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Mon 7/12

7:00 a.m.-4:40 p.m.

3 stops28h 40m

London Gatwick

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 550

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Fri 8/1

6:10 a.m.-11:35 a.m.

3 stops48h 25m

London Gatwick

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 619

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Mon 16/11

5:30 a.m.-9:45 a.m.

1 stop23h 15m

London Gatwick

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 637

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Sun 15/11

12:15 p.m.-9:45 a.m.

3 stops40h 30m

London Gatwick

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 652

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Fri 27/11

5:10 p.m.-3:45 p.m.

1 stop17h 35m

London Gatwick

Wed 2/12

10:00 a.m.-3:00 p.m.

1 stop10h 00m

C$ 1,216

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/10

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Best time to book a flight from Ottawa to Gatwick

Have a flexible travel schedule? Discover the best time to fly to Gatwick from Ottawa with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Ottawa to London Gatwick Airport

What is the cheapest time of day to fly from YOW to LGW?

When flying from Ottawa to London Gatwick Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Gatwick

Read through reviews of airlines operating flights from Ottawa to London Gatwick Airport, such as Air Transat. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Transat
7.7
Good
583 reviews
Check prices

Boarding

8.0

Entertainment

7.1

Overall

7.7

Comfort

7.3

Food

6.8

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Paul,Jul 2026

YUL - LGW

Had to bus to the plane which made priority boarding at the back of the bus
Air Transat
7.7
Good
583 reviews
Air Transat
7.7
Good
583 reviews
Check prices

Boarding

8.0

Entertainment

7.1

Overall

7.7

Comfort

7.3

Food

6.8

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Paul,Jul 2026

YUL - LGW

Had to bus to the plane which made priority boarding at the back of the bus

Related info for your journey

  • What airport do you fly from for flights from Ottawa to London Gatwick?

    If you book a flight to London Gatwick from Ottawa, you will be flying from Ottawa, which is the city’s only airport. Ottawa (YOW) is located 10.6 km from the centre of Ottawa. There are 0 flights from Ottawa to London Gatwick per day from 1 airline.

  • How long is the flight from Ottawa to London Gatwick Airport?

    A quick flight from Ottawa to London Gatwick Airport can take about 17h 35m. KLM provides one of the quickest options available for as low as C$ 1,216. Ottawa and London Gatwick Airport are separated by a distance of 5375 km.

  • What is the cheapest airline to fly from Ottawa to London Gatwick Airport round-trip?

    Flying on Air Transat is currently your cheapest option to London Gatwick Airport, with prices starting at C$ 690.

  • What are the cheapest flights from Ottawa to London Gatwick Airport?

    Looking for the cheapest flight from Ottawa to London Gatwick Airport? While on average our users pay C$ 709, our data indicates the cheapest price to be C$ 698. The most popular route (Ottawa - London Gatwick), is priced around C$ 862.

  • Can I find deals for flights from Ottawa to Gatwick that include hotel bookings?

    Yes. In addition to deals on Ottawa to Gatwick flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to Gatwick?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Gatwick.

  • Can I find deals for business class flights from Ottawa to Gatwick?

    Yes. Cheapflights offers flight deals from Ottawa to Gatwick by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near London Gatwick Airport?

Book flights to London Gatwick Airport if you plan to visit one of these locations
Gatwick
Romford
Twickenham
Ilford
Bromley
Sutton
Luton
Slough
Marlow
Cobham
Hounslow
Wembley
Watford
High Wycombe

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Ottawa to Gatwick

AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 690AverageC$ 814FlexibilityNo cancel feeOn-time50%
Search Air Transat flights

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When you search for this flight from Ottawa to Gatwick, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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