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Cheap flights from Ottawa to London Gatwick Airport from C$ 363

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/1. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LGW
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Ottawa to Gatwick

Enter your travel dates to find the best prices.

Cheapest flights from Ottawa to Gatwick
Explore the most affordable flight options available from Ottawa to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2025.

Fri 28/1110:00 a.m.YOW - LGW
1 stop18h 45mAir Transat
Sun 30/1111:40 a.m.LGW - YOW
1 stop25h 45mAir Transat
Deal found 28/10C$ 896
Wed 12/113:05 p.m.YOW - LGW
1 stop13h 40mAir Transat
Sat 15/1111:40 a.m.LGW - YOW
1 stop25h 44mAir Transat
Deal found 28/10C$ 899
Sun 23/116:45 a.m.YOW - LGW
1 stop22h 00mAir Transat
Sun 30/1111:40 a.m.LGW - YOW
1 stop25h 45mAir Transat
Deal found 28/10C$ 905
Mon 17/116:55 p.m.YOW - LGW
1 stop9h 50mAir Transat
Sun 30/1111:40 a.m.LGW - YOW
1 stop25h 45mAir Transat
Deal found 28/10C$ 915
Wed 12/113:05 p.m.YOW - LGW
1 stop13h 40mAir Transat
Sun 16/1111:40 a.m.LGW - YOW
1 stop11h 44mAir Transat
Deal found 28/10C$ 924
Sun 23/113:55 p.m.YOW - LGW
1 stop33h 05mMultiple Airlines
Tue 2/124:25 p.m.LGW - YOW
2 stops37h 15mMultiple Airlines
Deal found 29/10C$ 926
Sun 23/119:30 a.m.YOW - LGW
2 stops39h 30mMultiple Airlines
Sat 6/122:00 p.m.LGW - YOW
1 stop14h 58mMultiple Airlines
Deal found 28/10C$ 936
Wed 10/126:55 p.m.YOW - LGW
1 stop9h 50mMultiple Airlines
Thu 15/12:00 p.m.LGW - YOW
1 stop14h 58mMultiple Airlines
Deal found 28/10C$ 996
Wed 26/119:25 a.m.YOW - LGW
1 stop15h 35mMultiple Airlines
Wed 3/127:55 a.m.LGW - YOW
2 stops21h 45mMultiple Airlines
Deal found 27/10C$ 1,014
Mon 8/123:55 p.m.YOW - LGW
2 stops14h 00mMultiple Airlines
Mon 15/126:50 a.m.LGW - YOW
3 stops46h 52mMultiple Airlines
Deal found 28/10C$ 1,021
Sun 23/116:55 p.m.YOW - LGW
1 stop9h 50mPorter Airlines
Sun 30/1111:40 a.m.LGW - YOW
1 stop11h 44mPorter Airlines
Deal found 28/10C$ 1,022

Cheap flight deals from Ottawa to Gatwick

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Gatwick (LGW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 October 2025.

Round-trip from

C$ 896

One-way from

C$ 363

Popular in

July

Cheapest in

June

Average price

C$ 1,008
Air Transat
  • Air Transat
  • 28/11-30/11
  • 2 total stops
  • 44h 30m total
  • Ottawa to London
Search Deals
30/1
  • 30/1
  • 1 total stop
  • 19h 30m total
  • Ottawa to London
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 60 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to Gatwick that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 30 October 2025.
Use the filters below to find and compare flights from Ottawa to London Gatwick Airport that are best for you.

Fly from

Ottawa

Fly to

Gatwick

Route

Depart

Return

Price

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Mon 5/1

3:55 p.m.-8:35 p.m.

2 stops23h 40m

London Gatwick

Mon 12/1

2:00 p.m.-11:58 p.m.

1 stop14h 58m

C$ 1,074

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Wed 10/12

3:00 p.m.-9:45 a.m.

1 stop13h 45m

London Gatwick

Tue 16/12

11:40 a.m.-12:41 a.m.

1 stop18h 01m

C$ 1,131

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Thu 19/3

6:45 a.m.-9:45 a.m.

1 stop23h 00m

London Gatwick

Wed 25/3

11:40 a.m.-12:41 a.m.

1 stop17h 01m

C$ 1,152

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Wed 24/12

6:45 p.m.-9:45 a.m.

1 stop10h 00m

London Gatwick

Fri 9/1

11:40 a.m.-6:26 p.m.

1 stop11h 46m

C$ 1,162

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Wed 12/11

10:50 a.m.-3:10 p.m.

2 stops23h 20m

London Gatwick

Sat 15/11

7:35 p.m.-7:22 p.m.

3 stops28h 47m

C$ 1,181

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sun 30/11

6:55 p.m.-9:45 a.m.

1 stop9h 50m

London Gatwick

Sun 7/12

1:50 p.m.-12:40 a.m.

2 stops39h 50m

C$ 1,181

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Wed 26/11

6:55 p.m.-9:45 a.m.

1 stop9h 50m

London Gatwick

Thu 4/12

8:10 a.m.-12:40 a.m.

2 stops21h 30m

C$ 1,202

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Fri 24/4

6:55 p.m.-10:45 a.m.

1 stop10h 50m

London Gatwick

Sun 17/5

12:40 p.m.-8:05 a.m.

1 stop24h 25m

C$ 1,204

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Wed 8/4

5:40 a.m.-6:25 p.m.

2 stops31h 45m

London Gatwick

Thu 7/5

10:45 a.m.-12:22 a.m.

2 stops18h 37m

C$ 1,205

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Mon 19/1

4:15 p.m.-5:50 p.m.

2 stops20h 35m

London Gatwick

Sun 25/1

6:55 a.m.-5:42 p.m.

2 stops15h 47m

C$ 1,213

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/10

Showing 1-10 of 20 results
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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

What is the cheapest month to book a flight from Ottawa to London Gatwick Airport?

Currently, December is the cheapest month in which you can book a flight from Ottawa to London Gatwick Airport (average of C$ 480). Flying from Ottawa to London Gatwick Airport in July is currently the most expensive (average of C$ 901). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Ottawa to Gatwick. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 October 2025.

One of the essential ways to save on airfare from Ottawa to London Gatwick Airport is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 22% on airfare.

Reviews of airlines servicing Gatwick

Get insights into the airlines that provide service to Gatwick. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Gatwick. Reviews last updated 30 October 2025.
Read through reviews of airlines operating flights from Ottawa to London Gatwick Airport, such as Porter Airlines and Air Transat. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
384 reviews
Check prices

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
8.0
Very good
384 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Transat
7.8
Good
469 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Gatwick. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 2 different airlines.

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

    A quick flight from Ottawa to London Gatwick Airport can take about 13h 45m. Porter Airlines provides one of the quickest options available for as low as C$ 1,131. 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 are the cheapest airlines flying 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. Another option worth looking into is Porter Airlines, starting at C$ 794 round trip. Air Transat is 37% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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.

  • What is the cheapest month to book a flight from Ottawa to London Gatwick Airport?

    Currently, December is the cheapest month in which you can book a flight from Ottawa to London Gatwick Airport (average of C$ 480). Flying from Ottawa to London Gatwick Airport in July is currently the most expensive (average of C$ 901). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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
Sutton
Hounslow
Slough
Marlow
Milton Keynes
Romford
Watford
Bedford
Luton
Gatwick

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Top 2 airlines flying from Ottawa to Gatwick

Discover the top 2 airlines that operate flights from Ottawa to Gatwick. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 30 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 690AverageC$ 1,026FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 794AverageC$ 1,078FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Ottawa to Gatwick?

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Why should you use Cheapflights to find cheap flight tickets from Ottawa to Gatwick?

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