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Cheap flights from Ottawa to London Gatwick Airport from C$ 536

YOW — LGW
24 Nov — 1 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 24/10C$ 872
Thu 12/115:40 p.m. -
2 stops22h 25m
Tue 17/115:25 p.m. -
3 stops34h 07m
Deal found 20/10C$ 989
Fri 13/1110:50 a.m. -
2 stops18h 25m
Wed 18/118:00 a.m. -
2 stops16h 47m
Deal found 21/10C$ 1,028
Fri 13/1110:50 a.m. -
2 stops23h 15m
Tue 17/118:05 a.m. -
3 stops20h 50m
Deal found 20/10C$ 1,038

Find flight deals from Ottawa to Gatwick

Round-trip from

C$ 856

One-way from

C$ 536

Popular in

December

Cheapest in

September

Average price

C$ 966
Air Transat
  • Air Transat
  • 14/4-22/4
  • 2 total stops
  • 34h 00m total
  • Ottawa to London
Search Deals
10/12-31/12
  • 10/12-31/12
  • 3 total stops
  • 46h 10m 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$ 37 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 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$ 567

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Thu 10/12

6:55 p.m.-3:05 p.m.

2 stops39h 10m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 574

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Fri 4/12

6:55 p.m.-7:20 a.m.

2 stops55h 25m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 588
Quickest round-trip

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Sun 10/1

8:00 a.m.-5:50 a.m.

1 stop16h 50m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 616

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Fri 15/1

6:10 a.m.-3:05 p.m.

2 stops27h 55m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 639

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Thu 31/12

10:25 a.m.-9:15 a.m.

2 stops17h 50m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 707

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Sun 1/11

4:15 p.m.-7:15 a.m.

2 stops58h 00m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 753

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Wed 14/4

1:45 p.m.-10:45 a.m.

1 stop16h 00m

London Gatwick

Fri 30/4

12:40 p.m.-12:50 a.m.

1 stop17h 10m

C$ 916

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Thu 4/3

10:20 a.m.-9:45 a.m.

1 stop18h 25m

London Gatwick

Sun 14/3

11:40 a.m.-8:13 a.m.

1 stop24h 33m

C$ 1,088

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Wed 11/11

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

1 stop17h 35m

London Gatwick

Tue 17/11

4:45 p.m.-3:00 p.m.

1 stop27h 15m

C$ 1,232

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/10

Showing 1-10 of 17 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

Entertainment

7.0

Comfort

7.3

Crew

8.5

Boarding

7.9

Food

6.7

Overall

7.7

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

Entertainment

7.0

Comfort

7.3

Crew

8.5

Boarding

7.9

Food

6.7

Overall

7.7

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 16h. Air Transat provides one of the quickest options available for as low as C$ 916. Ottawa and London Gatwick Airport are separated by a distance of 5375 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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$ 685.

  • 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$ 685AverageC$ 813FlexibilityNo 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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Yes! Start tracking prices for Ottawa to Gatwick flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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