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Cheap flights from Ottawa to London Gatwick Airport from C$ 397

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 20/3. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LGW
14 Mar — 21 Mar1
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
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 12 February 2026.

Wed 18/26:40 a.m.
YOW
-
LGW
1 stop22h 05m
Air Transat
Wed 25/211:40 a.m.
LGW
-
YOW
1 stop11h 53m
Air Transat
Deal found 10/2C$ 740
Mon 16/210:00 a.m.
YOW
-
LGW
1 stop18h 45m
Porter Airlines
Tue 24/211:40 a.m.
LGW
-
YOW
1 stop11h 53m
Porter Airlines
Deal found 10/2C$ 749
Wed 18/210:00 a.m.
YOW
-
LGW
1 stop18h 45m
Porter Airlines
Tue 3/311:40 a.m.
LGW
-
YOW
1 stop17h 58m
Porter Airlines
Deal found 8/2C$ 751
Wed 18/210:00 a.m.
YOW
-
LGW
1 stop18h 45m
Air Transat
Tue 24/211:40 a.m.
LGW
-
YOW
1 stop25h 45m
Air Transat
Deal found 10/2C$ 753
Sun 1/33:05 p.m.
YOW
-
LGW
1 stop13h 40m
Air Transat
Sun 8/311:40 a.m.
LGW
-
YOW
1 stop24h 43m
Air Transat
Deal found 11/2C$ 755
Wed 18/26:50 p.m.
YOW
-
LGW
1 stop9h 55m
Air Transat
Fri 6/311:40 a.m.
LGW
-
YOW
1 stop25h 43m
Air Transat
Deal found 8/2C$ 757
Fri 22/57:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Sun 31/59:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Deal found 11/2C$ 760
Fri 22/57:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Fri 5/69:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Deal found 11/2C$ 764
Fri 29/57:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Sun 14/69:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Deal found 9/2C$ 767

Find 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 12 February 2026.

Round-trip from

C$ 755

One-way from

C$ 397

Popular in

July

Cheapest in

February

Average price

C$ 745

Good round-trip deal

C$ 156 or less

Good one-way deal

C$ 654 or less
Air Transat
  • Air Transat
  • 1/3-8/3
  • 2 total stops
  • 38h 23m total
  • Ottawa to London
Search Deals
20/3
  • 20/3
  • 2 total stops
  • 31h 40m total
  • Ottawa to London
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 110 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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Price to beat on a round-trip flight from Ottawa to London Gatwick.
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Price to beat on a one-way flight from Ottawa to London Gatwick.
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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 12 February 2026.
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

Sun 1/3

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

1 stop13h 40m

London Gatwick

Sun 8/3

11:40 a.m.-8:23 a.m.

1 stop24h 43m

C$ 755

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sun 24/5

7:40 p.m.-7:55 a.m.

Nonstop7h 15m

London Gatwick

Fri 29/5

9:40 a.m.-12:40 p.m.

Nonstop8h 00m

C$ 775

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Fri 22/5

7:40 p.m.-7:55 a.m.

Nonstop7h 15m

London Gatwick

Sun 31/5

9:40 a.m.-12:40 p.m.

Nonstop8h 00m

C$ 775

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Fri 22/5

7:40 p.m.-7:55 a.m.

Nonstop7h 15m

London Gatwick

Thu 28/5

12:40 p.m.-12:25 a.m.

1 stop16h 45m

C$ 787

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Tue 26/5

6:35 p.m.-10:45 a.m.

1 stop11h 10m

London Gatwick

Sun 31/5

9:40 a.m.-12:40 p.m.

Nonstop8h 00m

C$ 787

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Tue 26/5

6:35 p.m.-10:45 a.m.

1 stop11h 10m

London Gatwick

Tue 2/6

9:40 a.m.-12:40 p.m.

Nonstop8h 00m

C$ 787

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Tue 26/5

6:35 p.m.-10:45 a.m.

1 stop11h 10m

London Gatwick

Fri 29/5

9:40 a.m.-12:40 p.m.

Nonstop8h 00m

C$ 787

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Wed 6/5

5:55 a.m.-5:50 p.m.

3 stops30h 55m

London Gatwick

Wed 20/5

10:00 p.m.-5:35 p.m.

2 stops24h 35m

C$ 798

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Tue 26/5

6:35 p.m.-10:45 a.m.

1 stop11h 10m

London Gatwick

Wed 3/6

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

1 stop24h 25m

C$ 798

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sat 23/5

6:35 p.m.-10:45 a.m.

1 stop11h 10m

London Gatwick

Thu 28/5

12:40 p.m.-12:25 a.m.

1 stop16h 45m

C$ 798

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/2

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$ 466). Flying from Ottawa to London Gatwick Airport in April is currently the most expensive (average of C$ 875). 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.

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 12 February 2026.
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
415 reviews
Check prices

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

6.9

Overall

7.9

Food

7.5

Reviews

1 / 20
2.0
Mediocre

Milad,Feb 2026

LIR - YYZ

Not helpful staff at Liberia airport at the check-in counter. Extremely poor skill people and not willing to help the passenger.
Porter Airlines
7.9
Good
415 reviews
Porter Airlines
7.9
Good
415 reviews
Check prices

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

6.9

Overall

7.9

Food

7.5

Reviews

1 / 20
2.0
Mediocre

Milad,Feb 2026

LIR - YYZ

Not helpful staff at Liberia airport at the check-in counter. Extremely poor skill people and not willing to help the passenger.
Air Transat
7.7
Good
508 reviews
Porter Airlines
7.9
Good
415 reviews
Check prices

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

6.9

Overall

7.9

Food

7.5

Reviews

1 / 20
2.0
Mediocre

Milad,Feb 2026

LIR - YYZ

Not helpful staff at Liberia airport at the check-in counter. Extremely poor skill people and not willing to help the passenger.

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$ 755. Ottawa and London Gatwick Airport are separated by a distance of 5375 km.

  • 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$ 662. Another option worth looking into is Porter Airlines, starting at C$ 770 round trip. Air Transat is 35% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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$ 553, our data indicates the cheapest price to be C$ 99. The most popular route (Ottawa - London Gatwick), is priced around C$ 740.

  • 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$ 466). Flying from Ottawa to London Gatwick Airport in April is currently the most expensive (average of C$ 875). 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
Twickenham
Gatwick
Slough
Marlow
Cobham
Milton Keynes
Romford
Watford
Bedford
Luton
High Wycombe
Hounslow

Browse thousands of different options on Cheapflights for your next trip

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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 12 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 662AverageC$ 897FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 770AverageC$ 1,220FlexibilityNo 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?

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.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ottawa to Gatwick for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Ottawa to Gatwick with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ottawa to Gatwick flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ottawa to Gatwick become cheaper?

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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