$334+ Cheap flights from Ontario (ONT) to Gatwick (LGW)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LGW
Oct 20 — Oct 271
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Ontario to Gatwick with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Gatwick
Cheapest
Best
Last-minute
One-way
Cheapest flights from Ontario to GatwickExplore the most affordable flight options available from Ontario to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 20, 2026.
Explore the most affordable flight options available from Ontario to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 20, 2026.
This Mytrip deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:15 am -
2 stops24h 25m
Sat 10/3111:55 am -
2 stops18h 56m
Deal found 9/20![Multiple Airlines logo]()
$685
This Mytrip deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:25 am -
2 stops21h 30m
Wed 11/411:55 am -
2 stops19h 56m
Deal found 9/18![Multiple Airlines logo]()
$686
This Mytrip deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:25 am -
2 stops20h 30m
Mon 11/1611:55 am -
3 stops29h 45m
Deal found 9/19![Multiple Airlines logo]()
$726
This Mytrip deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:15 am -
2 stops21h 40m
Fri 10/3011:55 am -
2 stops18h 56m
Deal found 9/19![Multiple Airlines logo]()
$744
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:05 am -
2 stops18h 20m
Fri 10/2310:25 am -
2 stops20h 18m
Deal found 9/16![Delta logo]()
$757
This Mytrip deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:25 am -
2 stops21h 30m
Mon 11/211:55 am -
2 stops19h 56m
Deal found 9/19![Multiple Airlines logo]()
$840
This Mytrip deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:15 am -
2 stops24h 25m
Fri 10/3011:55 am -
2 stops18h 56m
Deal found 9/20![Multiple Airlines logo]()
$867
This Mytrip deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:15 am -
2 stops21h 40m
Mon 11/211:55 am -
2 stops19h 56m
Deal found 9/17![Multiple Airlines logo]()
$870
This Mytrip deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:25 am -
2 stops20h 30m
Sun 11/811:55 am -
2 stops19h 56m
Deal found 9/17![Multiple Airlines logo]()
$909
Best flights from Ontario to GatwickDiscover carefully curated flight deals from Ontario to Gatwick that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 20, 2026.
Discover carefully curated flight deals from Ontario to Gatwick that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 20, 2026.
This Icelandair deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:05 am -
2 stops18h 50m
Fri 11/611:55 am -
2 stops18h 50m
Deal found 9/18![Multiple Airlines logo]()
$1,086
This British Airways deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/910:30 am -
2 stops24h 30m
Mon 12/1411:45 am -
2 stops43h 12m
Deal found 9/19![British Airways logo]()
$1,197
This Iberia deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/107:00 am -
2 stops19h 50m
Wed 12/167:40 pm -
2 stops31h 10m
Deal found 9/19![Iberia logo]()
$1,311
This Icelandair deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/910:05 am -
2 stops16h 50m
Wed 3/1711:55 am -
2 stops17h 44m
Deal found 9/15![Multiple Airlines logo]()
$1,087
This Icelandair deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/142:13 pm -
2 stops16h 27m
Thu 10/223:40 pm -
2 stops38h 40m
Deal found 9/17![Multiple Airlines logo]()
$1,088
This Turkish Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/911:15 am -
3 stops27h 20m
Mon 11/236:30 am -
2 stops25h 01m
Deal found 9/17![Multiple Airlines logo]()
$1,230
This Turkish Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2311:55 am -
2 stops26h 40m
Wed 12/25:25 pm -
2 stops37h 34m
Deal found 9/16![Multiple Airlines logo]()
$1,245
This Icelandair deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1510:05 am -
2 stops16h 50m
Wed 12/2311:55 am -
2 stops18h 30m
Deal found 9/19![Multiple Airlines logo]()
$1,324
This Turkish Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/271:20 pm -
2 stops25h 15m
Mon 11/306:30 am -
2 stops40h 10m
Deal found 9/16![Multiple Airlines logo]()
$1,398
This Turkish Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/152:45 pm -
2 stops23h 50m
Sun 1/106:30 am -
2 stops23h 15m
Deal found 9/19![Multiple Airlines logo]()
$1,424
This Icelandair deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:40 am -
2 stops16h 15m
Mon 11/1611:55 am -
2 stops17h 50m
Deal found 9/20![Multiple Airlines logo]()
$1,441
Last-minute flights from Ontario to GatwickDiscover last-minute flight deals from Ontario to Gatwick. Data last updated September 20, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Gatwick. Data last updated September 20, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:05 am -
2 stops18h 20m
Fri 10/2310:25 am -
2 stops20h 18m
Deal found 9/16![Delta logo]()
$757
This Mytrip deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:15 am -
2 stops19h 45m
Fri 10/232:00 pm -
2 stops34h 48m
Deal found 9/18![Multiple Airlines logo]()
$1,014
This Mytrip deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:15 am -
2 stops24h 25m
Sat 10/3111:55 am -
2 stops18h 56m
Deal found 9/20![Multiple Airlines logo]()
$685
This Mytrip deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:15 am -
2 stops24h 25m
Fri 10/3011:55 am -
2 stops18h 56m
Deal found 9/20![Multiple Airlines logo]()
$867
This Mytrip deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:15 am -
2 stops21h 40m
Fri 10/3011:55 am -
2 stops18h 56m
Deal found 9/19![Multiple Airlines logo]()
$744
This Mytrip deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:15 am -
2 stops21h 40m
Mon 11/211:55 am -
2 stops19h 56m
Deal found 9/17![Multiple Airlines logo]()
$870
This Mytrip deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:25 am -
2 stops21h 30m
Mon 11/211:55 am -
2 stops19h 56m
Deal found 9/19![Multiple Airlines logo]()
$840
This Mytrip deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:25 am -
2 stops21h 30m
Wed 11/411:55 am -
2 stops19h 56m
Deal found 9/18![Multiple Airlines logo]()
$686
One-way flights from Ontario to GatwickSearch for one-way flight options from Ontario to Gatwick. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
Search for one-way flight options from Ontario to Gatwick. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
This Air France deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/207:00 am -
2 stops18h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Air France logo]()
$334
This Mytrip deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:25 am -
3 stops23h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$353
This Mytrip deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:25 am -
2 stops20h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/112:17 pm -
3 stops58h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$367
This Mytrip deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:25 am -
2 stops20h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$376
This Mytrip deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:15 am -
2 stops24h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$378
Find flight deals from Ontario to Gatwick
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) 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 September 20, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $686 (Mytrip) |
One-way from | $334 (Air France) |
Popular in | June |
Cheapest in | February |
Average price | $914 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario 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 7,457,451 searches. Data last updated September 20, 2026.
Use the filters below to find and compare flights from Ontario to London Gatwick Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioLondon
ONT Ontario - LGW London Gatwick
ONTLGW
Ontario
Tue 11/17
6:25 am-10:55 am
2 stops20h 30m
London Gatwick
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$365
OntarioLondon
ONT Ontario - LGW London Gatwick
ONTLGW
Ontario
Mon 10/5
10:42 pm-4:35 pm
2 stops33h 53m
London Gatwick
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$707
OntarioLondon
ONT Ontario - LGW London Gatwick
ONTLGW
Ontario
Wed 10/21
2:13 pm-10:30 pm
2 stops24h 17m
London Gatwick
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$736
OntarioLondon
ONT Ontario - LGW London Gatwick
ONTLGW
Ontario
Tue 10/20
2:13 pm-10:25 pm
2 stops24h 12m
London Gatwick
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$737
OntarioLondon
ONT Ontario - LGW London Gatwick
ONTLGW
Ontario
Wed 10/7
2:13 pm-10:30 pm
2 stops24h 17m
London Gatwick
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$738
OntarioLondon
ONT Ontario - LGW London Gatwick
ONTLGW
Ontario
Sun 10/4
10:39 pm-9:55 am
2 stops51h 16m
London Gatwick
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$741
OntarioLondon
ONT Ontario - LGW London Gatwick
ONTLGW
Ontario
Sat 10/3
10:39 pm-4:40 pm
2 stops58h 01m
London Gatwick
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$741
OntarioLondon
ONT Ontario - LGW London Gatwick
ONTLGW
Ontario
Wed 12/2
1:55 pm-10:35 pm
2 stops24h 40m
London Gatwick
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$747
Quickest round-trip
OntarioLondon
ONT Ontario - LGW London Gatwick
ONTLGW
Ontario
Wed 12/16
10:05 am-10:55 am
2 stops16h 50m
London Gatwick
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$862
OntarioLondon
ONT Ontario - LGW London Gatwick
ONTLGW
Ontario
Fri 12/25
10:05 am-10:55 am
2 stops16h 50m
London Gatwick
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$912
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Ontario to Gatwick
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Gatwick in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-London Gatwick Airport flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Ontario-London Gatwick Airport flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Ontario-London Gatwick Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-London Gatwick Airport flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-London Gatwick Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Ontario to Gatwick
Have a flexible travel schedule? Discover the best time to fly to Gatwick from Ontario with our price prediction graph.
ONT-LGW
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.
Related info for your journey
Find useful and relevant information for your journey from Ontario to Gatwick. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near London Gatwick Airport?
Book flights to London Gatwick Airport if you plan to visit one of these locationsIlford
Dorking
Gatwick
Hounslow
Harrow
Wembley
Southend-on-Sea
Basingstoke
Watford
Dartford
Winchester
Croydon
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
Harlow
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Gatwick flight routes
Other flight options
Other flights from Ontario
Popular flights