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Cheap flights from London Gatwick Airport to Ontario from C$ 444

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 21/6. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — YYZ
17 Jun — 24 Jun1
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 12 June 2025.

Round-trip from

C$ 617

One-way from

C$ 444

Popular in

August

Cheapest in

February

Average price

C$ 736

Good round-trip deal

C$ 653 or less

Good one-way deal

C$ 482 or less
Air Transat
  • Air Transat
  • 18/9-5/10
  • 2 total stops
  • 47h 40m total
  • London to Ontario
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Air Transat
  • Air Transat
  • 21/6
  • Nonstop
  • 7h 40m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 141 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from London Gatwick to Ontario.
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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 12 June 2025.

Thu 18/911:35 a.m.LGW - YTZ
1 stop15h 45mAir Transat
Sun 5/108:55 p.m.YTZ - LGW
1 stop31h 55mAir Transat
Deal found 12/6C$ 617
Wed 20/812:40 p.m.LGW - YYZ
Nonstop8h 00mAir Transat
Tue 26/84:10 p.m.YYZ - LGW
1 stop12h 40mAir Transat
Deal found 10/6C$ 617
Thu 11/96:40 p.m.LGW - YYZ
1 stop23h 10mSWISS
Tue 23/94:35 p.m.YYZ - LGW
1 stop20h 15mSWISS
Deal found 10/6C$ 637
Wed 20/89:40 a.m.LGW - YUL
1 stop14h 40mAir Transat
Sun 7/96:00 p.m.YUL - LGW
1 stop11h 45mAir Transat
Deal found 10/6C$ 638
Wed 8/103:40 p.m.LGW - YYZ
1 stop11h 15mIcelandair
Wed 15/108:50 p.m.YYZ - LGW
1 stop12h 50mIcelandair
Deal found 10/6C$ 644
Wed 18/612:00 p.m.LGW - YYZ
1 stop16h 08mDelta
Mon 14/76:23 p.m.YYZ - LGW
1 stop10h 37mDelta
Deal found 10/6C$ 703
Fri 29/812:00 p.m.LGW - YUL
1 stop14h 48mDelta
Sun 31/811:00 a.m.YUL - LGW
1 stop18h 00mDelta
Deal found 10/6C$ 707
Tue 17/63:05 p.m.LGW - YYZ
1 stop12h 59mBritish Airways
Sun 20/710:55 a.m.YYZ - LGW
1 stop15h 55mBritish Airways
Deal found 10/6C$ 715
Fri 27/612:00 p.m.LGW - YYZ
1 stop16h 09mVirgin Atlantic
Mon 30/612:08 p.m.YYZ - LGW
1 stop16h 52mVirgin Atlantic
Deal found 12/6C$ 725
Wed 3/96:35 p.m.LGW - YUL
1 stop25h 25mSWISS
Mon 3/114:50 p.m.YUL - LGW
1 stop20h 00mSWISS
Deal found 11/6C$ 741
Wed 25/65:35 p.m.LGW - YTZ
3 stops32h 01mMultiple Airlines
Mon 30/610:20 a.m.YTZ - LGW
3 stops28h 50mMultiple Airlines
Deal found 10/6C$ 748
Thu 19/610:45 a.m.LGW - YYZ
1 stop11h 06mWestJet
Tue 24/66:20 p.m.YYZ - LGW
1 stop10h 05mWestJet
Deal found 10/6C$ 753

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 12 June 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

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Thu 18/9

11:35 a.m.-10:20 p.m.

1 stop15h 45m

Toronto Island

Sun 5/10

8:55 p.m.-9:50 a.m.

1 stop31h 55m

C$ 617

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Wed 20/8

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

Nonstop8h 00m

Toronto Pearson Intl

Tue 26/8

4:10 p.m.-9:50 a.m.

1 stop12h 40m

C$ 617

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Thu 11/9

6:40 p.m.-12:50 p.m.

1 stop23h 10m

Toronto Pearson Intl

Tue 23/9

4:35 p.m.-5:50 p.m.

1 stop20h 15m

C$ 637

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Wed 20/8

9:40 a.m.-7:20 p.m.

1 stop14h 40m

Montreal Pierre Elliott Trudeau Intl

Sun 7/9

6:00 p.m.-10:45 a.m.

1 stop11h 45m

C$ 638

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Mon 13/10

3:40 p.m.-9:55 p.m.

1 stop11h 15m

Toronto Pearson Intl

Sat 18/10

11:00 p.m.-2:40 p.m.

1 stop10h 40m

C$ 663

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Tue 2/9

12:00 p.m.-8:43 p.m.

1 stop13h 43m

Toronto Pearson Intl

Sun 7/9

2:30 p.m.-10:00 a.m.

1 stop14h 30m

C$ 703

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Fri 29/8

12:00 p.m.-9:48 p.m.

1 stop14h 48m

Montreal Pierre Elliott Trudeau Intl

Sun 31/8

11:00 a.m.-10:00 a.m.

1 stop18h 00m

C$ 707

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Fri 27/6

12:00 p.m.-11:09 p.m.

1 stop16h 09m

Toronto Pearson Intl

Mon 30/6

12:08 p.m.-10:00 a.m.

1 stop16h 52m

C$ 725

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Wed 3/9

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

1 stop25h 25m

Montreal Pierre Elliott Trudeau Intl

Mon 3/11

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

1 stop20h 00m

C$ 741

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Wed 25/6

5:35 p.m.-8:36 p.m.

3 stops32h 01m

Toronto Island

Mon 30/6

10:20 a.m.-8:10 p.m.

3 stops28h 50m

C$ 748

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

Showing 1-10 of 42 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$ 255). 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 12 June 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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

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 12 June 2025.
Get a feel of what it's like to fly with Delta, Air Transat and SWISS from London to Ontario by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Air Transat
7.8
Good
396 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
SWISS
7.5
Good
1,623 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Virgin Atlantic
7.4
Good
652 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Turkish Airlines
7.3
Good
3,848 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

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$ 444. WestJet flights start at C$ 485 while deals on TAP AIR PORTUGAL start at C$ 567 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$ 423. While the most popular route (London Gatwick - Toronto Pearson Intl) can be booked for C$ 507 on average our data indicates C$ 671 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$ 255). 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.
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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 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 596AverageC$ 864FlexibilityNo cancel feeOn-time50%
Search Air Transat flights

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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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