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Cheap flights from Ottawa to London Gatwick Airport from C$ 353

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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LGW
29 Jun — 6 Jul1
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 30 May 2026.

Fri 25/97:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Fri 2/109:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Deal found 29/5C$ 795
Fri 11/97:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Mon 14/99:40 a.m.
LGW
-
YOW
1 stop15h 20m
Air Transat
Deal found 25/5C$ 796
Fri 5/67:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Fri 12/612:40 p.m.
LGW
-
YOW
1 stop24h 25m
Air Transat
Deal found 27/5C$ 797
Sun 7/62:15 p.m.
YOW
-
LGW
1 stop14h 35m
Air Transat
Sat 13/612:40 p.m.
LGW
-
YOW
1 stop12h 25m
Air Transat
Deal found 26/5C$ 799
Sun 7/62:15 p.m.
YOW
-
LGW
1 stop14h 35m
Air Transat
Fri 12/612:40 p.m.
LGW
-
YOW
1 stop16h 45m
Air Transat
Deal found 27/5C$ 800
Fri 28/87:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Sun 20/99:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Deal found 28/5C$ 803
Sun 31/57:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Wed 3/612:40 p.m.
LGW
-
YOW
1 stop16h 45m
Air Transat
Deal found 28/5C$ 804
Thu 10/94:00 p.m.
YOW
-
LGW
1 stop13h 45m
Air Transat
Tue 15/99:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Deal found 25/5C$ 807
Fri 5/67:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Sat 13/612:40 p.m.
LGW
-
YOW
1 stop12h 25m
Air Transat
Deal found 27/5C$ 808
Fri 19/67:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Sun 21/611:35 a.m.
LGW
-
YOW
1 stop11h 00m
Air Transat
Deal found 28/5C$ 810

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 30 May 2026.

Round-trip from

C$ 795

One-way from

C$ 353

Popular in

July

Cheapest in

February

Average price

C$ 806

Good round-trip deal

C$ 801 or less

Good one-way deal

C$ 504 or less
Air Transat
  • Air Transat
  • 25/9-2/10
  • Nonstop
  • 15h 15m total
  • Ottawa to London
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10/6
  • 10/6
  • 2 total stops
  • 34h 55m total
  • Ottawa to London
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 166 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 30 May 2026.
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 - LGW

YOWLGW

Ottawa

Sun 14/6

4:00 p.m.-10:45 a.m.

1 stop13h 45m

London Gatwick

Wed 17/6

9:40 a.m.-12:25 a.m.

1 stop19h 45m

C$ 810

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Fri 5/6

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

1 stop11h 10m

London Gatwick

Wed 17/6

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

1 stop16h 45m

C$ 847

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Wed 26/8

8:40 a.m.-7:55 a.m.

1 stop18h 15m

London Gatwick

Tue 8/9

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

1 stop16h 45m

C$ 862
Quickest round-trip

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Tue 9/6

7:15 p.m.-10:45 a.m.

1 stop10h 30m

London Gatwick

Sat 13/6

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

1 stop12h 25m

C$ 883

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Wed 3/6

5:25 p.m.-4:00 p.m.

1 stop17h 35m

London Gatwick

Mon 8/6

5:00 p.m.-3:00 p.m.

1 stop27h 00m

C$ 985

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Mon 22/6

5:25 p.m.-9:40 a.m.

1 stop11h 15m

London Gatwick

Wed 15/7

10:25 a.m.-12:20 a.m.

2 stops18h 55m

C$ 1,079
Cheapest one-way

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sun 12/7

6:55 a.m.-10:30 p.m.

2 stops34h 35m

C$ 355

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Tue 28/7

6:25 p.m.-8:15 a.m.

2 stops32h 50m

C$ 374

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Fri 17/7

6:25 p.m.-8:55 a.m.

2 stops33h 30m

C$ 389

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Fri 11/9

6:25 p.m.-7:55 p.m.

3 stops20h 30m

C$ 395

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/5

Showing 1-10 of 18 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
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 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 May 2026.

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.

How much does it cost to fly round-trip from Ottawa to London Gatwick Airport?

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 May 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
8.0
Very good
440 reviews
Check prices

Crew

8.6

Comfort

8.0

Food

7.6

Boarding

8.2

Entertainment

6.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Porter Airlines
8.0
Very good
440 reviews
Porter Airlines
8.0
Very good
440 reviews
Check prices

Crew

8.6

Comfort

8.0

Food

7.6

Boarding

8.2

Entertainment

6.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Air Transat
7.8
Good
553 reviews
Porter Airlines
8.0
Very good
440 reviews
Check prices

Crew

8.6

Comfort

8.0

Food

7.6

Boarding

8.2

Entertainment

6.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.

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$ 810. 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$ 674. Another option worth looking into is Porter Airlines, starting at C$ 753 round trip. Air Transat is 36% 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$ 1,135, our data indicates the cheapest price to be C$ 503. The most popular route (Ottawa - London Gatwick), is priced around C$ 699.

  • 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
Hounslow
Slough
Marlow
Cobham
Watford
Luton
High Wycombe

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 30 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 674AverageC$ 952FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 753AverageC$ 1,386FlexibilityNo 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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