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Cheap flights from Ottawa to London Gatwick Airport from C$ 554

YOW — LGW
29 Nov — 6 Dec1
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

Thu 5/119:00 a.m. -
2 stops31h 10m
Thu 12/117:05 p.m. -
3 stops24h 02m
Deal found 26/10C$ 906
Mon 9/115:40 p.m. -
2 stops21h 00m
Mon 16/117:00 a.m. -
2 stops15h 20m
Deal found 29/10C$ 992
Mon 23/115:40 p.m. -
2 stops18h 00m
Mon 30/117:55 a.m. -
2 stops16h 52m
Deal found 26/10C$ 1,020
Mon 9/115:40 p.m. -
2 stops21h 00m
Fri 20/117:00 a.m. -
2 stops20h 32m
Deal found 28/10C$ 1,025
Sat 21/1110:50 a.m. -
2 stops21h 20m
Wed 2/124:45 p.m. -
3 stops26h 22m
Deal found 27/10C$ 1,027
Tue 24/115:40 p.m. -
2 stops18h 00m
Tue 1/128:05 a.m. -
2 stops15h 40m
Deal found 27/10C$ 1,035
Thu 26/119:00 a.m. -
2 stops26h 40m
Thu 3/127:15 a.m. -
2 stops20h 17m
Deal found 29/10C$ 1,036
Wed 2/122:55 p.m. -
2 stops20h 45m
Sun 6/127:45 a.m. -
2 stops22h 55m
Deal found 29/10C$ 1,039
Thu 19/115:40 p.m. -
2 stops18h 00m
Thu 26/116:10 p.m. -
3 stops24h 57m
Deal found 28/10C$ 1,042

Find flight deals from Ottawa to Gatwick

Round-trip from

C$ 891

One-way from

C$ 554

Popular in

December

Cheapest in

September

Average price

C$ 965
Air Transat
  • Air Transat
  • 6/4-27/4
  • 2 total stops
  • 30h 22m total
  • Ottawa to London
Search Deals
7/12-31/12
  • 7/12-31/12
  • 2 total stops
  • 29h 30m total
  • Ottawa to London
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 109 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

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 25/1

10:35 a.m.-9:15 a.m.

2 stops17h 40m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 579

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Wed 9/12

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$ 585

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$ 593

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Fri 11/12

3:15 p.m.-8:20 a.m.

3 stops36h 05m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 645

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Wed 10/3

10:35 a.m.-9:50 a.m.

2 stops18h 15m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 653

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Wed 10/2

10:35 a.m.-8:25 a.m.

2 stops16h 50m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 663

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Mon 4/1

8:25 a.m.-7:40 p.m.

3 stops30h 15m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 674

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Thu 15/4

7:00 a.m.-10:45 a.m.

1 stop22h 45m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 720
Quickest round-trip

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Tue 15/12

5:40 p.m.-9:45 a.m.

1 stop11h 05m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 729

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Sat 13/2

5:40 p.m.-9:45 a.m.

1 stop11h 05m

London Gatwick

Wed 3/3

11:40 a.m.-5:55 p.m.

1 stop11h 15m

C$ 955

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/10

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
584 reviews
Check prices

Overall

7.7

Entertainment

7.0

Food

6.7

Comfort

7.3

Crew

8.5

Boarding

7.9

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
584 reviews
Air Transat
7.7
Good
584 reviews
Check prices

Overall

7.7

Entertainment

7.0

Food

6.7

Comfort

7.3

Crew

8.5

Boarding

7.9

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 11h 05m. Porter Airlines provides one of the quickest options available for as low as C$ 955. 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$ 684.

  • 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
Kingston upon Thames
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$ 684AverageC$ 812FlexibilityNo cancel feeOn-time50%
Search Air Transat flights

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