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Cheap flights from London Gatwick Airport to Ontario from C$ 454

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — YYZ
3 Aug — 10 Aug1
1 adult

Cheap flight deals from Gatwick to Ontario

Keep the following information in mind while searching for Gatwick to Ontario flight deals. Data was last updated 29 July 2025.

Round-trip from

C$ 635

One-way from

C$ 454

Popular in

December

Cheapest in

February

Average price

C$ 969

Good round-trip deal

C$ 954 or less

Good one-way deal

C$ 469 or less
Air Transat
  • Air Transat
  • 4/9-8/9
  • 2 total stops
  • 21h 10m total
  • London to Ontario
Search Deals
Air Transat
  • Air Transat
  • 1/10
  • 1 total stop
  • 11h 40m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals
Price to beat on a round-trip flight from London Gatwick to Ontario.
Search Deals
Price to beat on a one-way flight from London Gatwick to Ontario.
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Find flight deals from Gatwick to Ontario

Cheapest flights from Gatwick to Ontario
Explore the most affordable flight options available from Gatwick to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 July 2025.

Thu 4/912:40 p.m.LGW - YUL
1 stop11h 40mAir Transat
Mon 8/98:15 p.m.YUL - LGW
1 stop9h 30mAir Transat
Deal found 28/7C$ 635
Sun 31/81:10 p.m.LGW - YTZ
1 stop26h 12mAir Transat
Fri 12/96:55 p.m.YTZ - LGW
1 stop9h 55mAir Transat
Deal found 28/7C$ 649
Fri 29/812:40 p.m.LGW - YYZ
Nonstop8h 00mAir Transat
Tue 9/97:50 p.m.YYZ - LGW
Nonstop7h 05mAir Transat
Deal found 27/7C$ 649
Thu 11/97:15 p.m.LGW - YUL
1 stop21h 20mMultiple Airlines
Thu 18/96:50 p.m.YUL - LGW
1 stop22h 15mMultiple Airlines
Deal found 27/7C$ 665
Tue 23/96:35 p.m.LGW - YYZ
2 stops24h 15mSWISS
Tue 2/128:25 p.m.YYZ - LGW
1 stop16h 25mSWISS
Deal found 28/7C$ 676
Wed 17/98:50 a.m.LGW - YYZ
2 stops15h 20mMultiple Airlines
Tue 30/98:50 p.m.YYZ - LGW
2 stops13h 20mMultiple Airlines
Deal found 28/7C$ 689
Fri 12/1211:55 a.m.LGW - YYZ
1 stop11h 20mIcelandair
Thu 15/17:45 p.m.YYZ - LGW
1 stop10h 10mIcelandair
Deal found 29/7C$ 693
Tue 16/96:35 p.m.LGW - YUL
1 stop25h 25mSWISS
Sun 28/94:40 p.m.YUL - LGW
1 stop20h 10mSWISS
Deal found 29/7C$ 694
Thu 20/116:40 p.m.LGW - YTZ
3 stops30h 15mSWISS
Tue 25/1112:30 p.m.YTZ - LGW
3 stops24h 20mSWISS
Deal found 28/7C$ 744
Tue 21/106:35 p.m.LGW - YTZ
3 stops28h 10mMultiple Airlines
Sun 26/1012:30 p.m.YTZ - LGW
2 stops25h 20mMultiple Airlines
Deal found 28/7C$ 761
Thu 11/911:35 a.m.LGW - YOW
2 stops17h 47mMultiple Airlines
Thu 18/95:55 a.m.YOW - LGW
2 stops22h 55mMultiple Airlines
Deal found 27/7C$ 838
Tue 11/1111:40 a.m.LGW - YOW
1 stop18h 01mAir Transat
Wed 19/113:05 p.m.YOW - LGW
1 stop13h 40mAir Transat
Deal found 26/7C$ 892

Cheapflights Fare Finder

 
Customize your flight search to find flights from Gatwick to Ontario 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 29 July 2025.
Use the filters below to find and compare flights from London Gatwick Airport to Ontario that are best for you.

Fly from

Gatwick

Fly to

Ontario

Route

Depart

Return

Price

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Thu 4/9

12:40 p.m.-7:20 p.m.

1 stop11h 40m

Montreal Pierre Elliott Trudeau Intl

Mon 8/9

8:15 p.m.-10:45 a.m.

1 stop9h 30m

C$ 635

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Sun 31/8

1:10 p.m.-10:22 a.m.

1 stop26h 12m

Toronto Island

Fri 12/9

6:55 p.m.-9:50 a.m.

1 stop9h 55m

C$ 649

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Fri 29/8

12:40 p.m.-3:40 p.m.

Nonstop8h 00m

Toronto Pearson Intl

Tue 9/9

7:50 p.m.-7:55 a.m.

Nonstop7h 05m

C$ 649

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Thu 11/9

7:15 p.m.-11:35 a.m.

1 stop21h 20m

Montreal Pierre Elliott Trudeau Intl

Thu 18/9

6:50 p.m.-10:05 p.m.

1 stop22h 15m

C$ 665

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Tue 23/9

6:35 p.m.-1:50 p.m.

2 stops24h 15m

Toronto Pearson Intl

Wed 3/12

8:25 p.m.-5:50 p.m.

1 stop16h 25m

C$ 676

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Fri 12/12

11:55 a.m.-6:15 p.m.

1 stop11h 20m

Toronto Pearson Intl

Wed 14/1

7:45 p.m.-10:55 a.m.

1 stop10h 10m

C$ 693

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Tue 16/9

6:35 p.m.-3:00 p.m.

1 stop25h 25m

Montreal Pierre Elliott Trudeau Intl

Sun 28/9

4:40 p.m.-5:50 p.m.

1 stop20h 10m

C$ 694

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Wed 17/9

9:45 a.m.-3:50 p.m.

1 stop11h 05m

Toronto Pearson Intl

Tue 30/9

11:55 p.m.-8:15 p.m.

1 stop15h 20m

C$ 709

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Thu 20/11

6:40 p.m.-7:55 p.m.

3 stops30h 15m

Toronto Island

Tue 25/11

12:30 p.m.-5:50 p.m.

3 stops24h 20m

C$ 744

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Tue 21/10

6:35 p.m.-5:45 p.m.

3 stops28h 10m

Toronto Island

Sun 26/10

12:30 p.m.-5:50 p.m.

2 stops25h 20m

C$ 761

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

Showing 1-10 of 31 results
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Best time to book a flight from Gatwick to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Gatwick 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 London Gatwick Airport to Ontario

What is the cheapest month to book a flight from London Gatwick Airport to Region of Ontario?

Currently, January is the cheapest month in which you can book a flight from London Gatwick Airport to Region of Ontario (average of C$ 167). Flying from London Gatwick Airport to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 LGW to ON?

Find hourly flight availability from Gatwick to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 July 2025.

When flying from London Gatwick Airport to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from London Gatwick Airport to Region of Ontario

Explore weekly flight availability from Gatwick to Ontario. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 29 July 2025.

The most flights from LGW to CAON are scheduled on a Monday (4 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost to fly round-trip from London Gatwick Airport to Region of Ontario?

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated 29 July 2025.
Get a feel of what it's like to fly with Air Transat,SWISS, andWestJet from London Gatwick Airport to Ontario by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Transat
7.7
Good
424 reviews
Check prices

Food

6.7

Comfort

7.3

Overall

7.7

Crew

8.4

Boarding

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Air Transat
7.7
Good
424 reviews
Air Transat
7.7
Good
424 reviews
Check prices

Food

6.7

Comfort

7.3

Overall

7.7

Crew

8.4

Boarding

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
SWISS
7.5
Good
1,683 reviews
Air Transat
7.7
Good
424 reviews
Check prices

Food

6.7

Comfort

7.3

Overall

7.7

Crew

8.4

Boarding

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
WestJet
7.2
Good
2,972 reviews
Air Transat
7.7
Good
424 reviews
Check prices

Food

6.7

Comfort

7.3

Overall

7.7

Crew

8.4

Boarding

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
TAP AIR PORTUGAL
7.1
Good
1,929 reviews
Air Transat
7.7
Good
424 reviews
Check prices

Food

6.7

Comfort

7.3

Overall

7.7

Crew

8.4

Boarding

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Icelandair
7.0
Good
521 reviews
Air Transat
7.7
Good
424 reviews
Check prices

Food

6.7

Comfort

7.3

Overall

7.7

Crew

8.4

Boarding

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.

Related info for your journey

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

  • What are the cheapest airlines to fly from London Gatwick Airport to Region of Ontario one-way?

    To fly one-way, consider booking your trip with Air Transat, which is currently one of the cheapest options available, starting at C$ 454. WestJet flights start at C$ 468 while deals on TAP AIR PORTUGAL start at C$ 535 one-way.

  • What are the most popular routes from London Gatwick Airport to Region of Ontario?

    The most popular flight routes from London Gatwick Airport to Region of Ontario are London Gatwick - Toronto Pearson Intl, London Gatwick - Toronto Island and London Gatwick - Montreal Pierre Elliott Trudeau Intl.

  • What are the cheapest flights from London Gatwick Airport to Region of Ontario?

    Looking at all options, your cheapest flight can be booked for C$ 350. While the most popular route (London Gatwick - Toronto Pearson Intl) can be booked for C$ 554 on average our data indicates C$ 904 when flying from London Gatwick Airport to Region of Ontario.

  • Can I find deals for flights from Gatwick to Ontario that include hotel bookings?

    Yes. In addition to deals on Gatwick to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Gatwick to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gatwick to Ontario.

  • Can I find deals for business class flights from Gatwick to Ontario?

    Yes. Cheapflights offers flight deals from Gatwick to Ontario 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 London Gatwick Airport to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from London Gatwick Airport to Region of Ontario (average of C$ 167). Flying from London Gatwick Airport to Region of Ontario in July is currently the most expensive (average of C$ 258). 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

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Alternative routes for Gatwick to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Gatwick to Pearson Intl flights
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Heathrow to Pierre Elliott Trudeau Intl flights
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Gatwick to Calgary flights
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Southend to Pearson Intl flights
Heathrow to Abbotsford flights
Stansted to Pierre Elliott Trudeau Intl flights
Heathrow to Ottawa flights
Luton to Calgary flights
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Stansted to Calgary flights
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Stansted to Edmonton flights
Heathrow to Hamilton flights
Luton to Edmonton flights
Gatwick to Kelowna flights
Heathrow to St. John's flights

Top airline flying from Gatwick to Ontario

Discover the top airline that operate flights from Gatwick to Ontario. 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 29 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 595AverageC$ 853FlexibilityNo cancel feeOn-time50%
Search Air Transat flights

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

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

Yes, we can. To see specific flights from Gatwick to Ontario with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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