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Cheap flights from Ottawa to London Gatwick Airport from C$ 326

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 19/10. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LGW
17 Oct — 24 Oct1
1 adult
1 adult, Economy

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 17 September 2025.

Round-trip from

C$ 849

One-way from

C$ 326

Popular in

December

Cheapest in

June

Average price

C$ 1,018
Air Transat
  • Air Transat
  • 7/11-20/11
  • 2 total stops
  • 33h 46m total
  • Ottawa to London
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19/10
  • 19/10
  • 2 total stops
  • 25h 35m total
  • Ottawa to London
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 389 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 97 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Ottawa to Gatwick

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 17 September 2025.

Fri 7/116:45 a.m.YOW - LGW
1 stop22h 00mAir Transat
Thu 20/1111:40 a.m.LGW - YOW
1 stop11h 46mAir Transat
Deal found 16/9C$ 849
Fri 17/1010:45 a.m.YOW - LGW
1 stop19h 00mAir Transat
Thu 30/1011:40 a.m.LGW - YOW
1 stop33h 11mAir Transat
Deal found 16/9C$ 852
Fri 21/115:40 a.m.YOW - LGW
1 stop23h 05mMultiple Airlines
Tue 25/1111:40 a.m.LGW - YOW
1 stop18h 02mMultiple Airlines
Deal found 17/9C$ 861
Mon 29/95:55 a.m.YOW - LGW
2 stops22h 30mWestJet
Wed 8/1010:45 a.m.LGW - YOW
2 stops18h 37mWestJet
Deal found 16/9C$ 864
Sun 28/98:35 a.m.YOW - LGW
1 stop21h 10mAir Transat
Tue 7/1012:40 p.m.LGW - YOW
1 stop24h 25mAir Transat
Deal found 15/9C$ 865
Wed 5/113:05 p.m.YOW - LGW
1 stop13h 40mAir Transat
Tue 11/1111:40 a.m.LGW - YOW
1 stop18h 01mAir Transat
Deal found 16/9C$ 867
Tue 4/116:55 p.m.YOW - LGW
1 stop9h 50mPorter Airlines
Tue 11/1111:40 a.m.LGW - YOW
1 stop18h 01mPorter Airlines
Deal found 16/9C$ 868
Sun 30/113:05 p.m.YOW - LGW
1 stop13h 40mAir Transat
Sat 6/1211:40 a.m.LGW - YOW
1 stop18h 01mAir Transat
Deal found 17/9C$ 871
Thu 2/105:05 p.m.YOW - LGW
1 stop12h 40mAir Transat
Thu 16/1012:40 p.m.LGW - YOW
1 stop13h 20mAir Transat
Deal found 15/9C$ 872
Thu 6/116:45 a.m.YOW - LGW
1 stop22h 00mAir Transat
Sun 9/1111:40 a.m.LGW - YOW
1 stop11h 46mAir Transat
Deal found 16/9C$ 874
Sun 30/116:45 a.m.YOW - LGW
1 stop22h 00mAir Transat
Wed 10/1211:40 a.m.LGW - YOW
1 stop11h 46mAir Transat
Deal found 17/9C$ 878

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 17 September 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

Thu 26/2

3:05 p.m.-9:45 a.m.

1 stop13h 40m

London Gatwick

Mon 2/3

11:40 a.m.-8:25 a.m.

1 stop25h 45m

C$ 852

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Fri 17/10

10:45 a.m.-10:45 a.m.

1 stop19h 00m

London Gatwick

Thu 30/10

11:40 a.m.-4:51 p.m.

1 stop33h 11m

C$ 852

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Tue 28/10

3:05 p.m.-9:45 a.m.

1 stop14h 40m

London Gatwick

Tue 4/11

11:40 a.m.-8:25 a.m.

1 stop25h 45m

C$ 865

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sun 28/9

8:35 a.m.-10:45 a.m.

1 stop21h 10m

London Gatwick

Tue 7/10

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

1 stop24h 25m

C$ 865

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Mon 13/10

2:20 p.m.-10:45 a.m.

1 stop15h 25m

London Gatwick

Mon 20/10

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

1 stop24h 25m

C$ 891

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Fri 17/10

5:55 a.m.-9:25 a.m.

2 stops22h 30m

London Gatwick

Fri 24/10

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

2 stops18h 37m

C$ 897

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Tue 4/11

4:35 p.m.-6:00 a.m.

2 stops32h 25m

London Gatwick

Tue 18/11

1:00 p.m.-12:35 p.m.

1 stop28h 35m

C$ 931

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Fri 3/10

5:55 a.m.-9:25 a.m.

2 stops22h 30m

London Gatwick

Fri 17/10

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

2 stops18h 37m

C$ 979

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Tue 30/9

5:55 a.m.-9:25 a.m.

2 stops22h 30m

London Gatwick

Fri 17/10

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

2 stops18h 37m

C$ 979

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Mon 29/9

5:55 a.m.-9:25 a.m.

2 stops22h 30m

London Gatwick

Fri 17/10

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

2 stops18h 37m

C$ 979

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/9

Showing 1-10 of 19 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, January is the cheapest month in which you can book a flight from Ottawa to London Gatwick Airport (average of C$ 511). Flying from Ottawa to London Gatwick Airport in July is currently the most expensive (average of C$ 793). 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 17 September 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 23% 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 17 September 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
7.9
Good
365 reviews
Check prices

Overall

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

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
7.9
Good
365 reviews
Porter Airlines
7.9
Good
365 reviews
Check prices

Overall

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

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
7.7
Good
439 reviews
Porter Airlines
7.9
Good
365 reviews
Check prices

Overall

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

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 40m. Air Transat provides one of the quickest options available for as low as C$ 852. 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$ 792. Another option worth looking into is Porter Airlines, starting at C$ 905 round trip. Air Transat is 31% 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, January is the cheapest month in which you can book a flight from Ottawa to London Gatwick Airport (average of C$ 511). Flying from Ottawa to London Gatwick Airport in July is currently the most expensive (average of C$ 793). 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
Brentford
Sutton
Hounslow
Slough
Marlow
Milton Keynes
Romford
Watford
Bedford
Luton
Southall

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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 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 792AverageC$ 1,017FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 905AverageC$ 1,162FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

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

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