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Cheap flights from the United Kingdom to Ontario from £246
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YYZ
9 Nov — 16 Nov1
Cheap flight deals from United Kingdom to Ontario
Enter your travel dates to find the best prices.
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Best
Direct
Last-minute
One-way
Cheapest flights from United Kingdom to OntarioExplore the most affordable flight options available from United Kingdom to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 October 2026.
Explore the most affordable flight options available from United Kingdom to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 October 2026.
Fri 16/1013:05 -
1 stop14h 00m
Tue 17/1119:40 -
1 stop10h 05m
Deal found 7/10£328
Sun 29/1109:25 -
Nonstop7h 25m
Sat 5/1219:55 -
Nonstop6h 45m
Deal found 7/10£333
Mon 30/1111:30 -
Nonstop8h 20m
Sun 31/120:50 -
Nonstop6h 55m
Deal found 9/10£338
Thu 12/1111:55 -
1 stop11h 20m
Mon 16/1119:40 -
1 stop10h 05m
Deal found 7/10£338
Thu 26/1111:55 -
1 stop11h 20m
Tue 8/1219:40 -
1 stop10h 05m
Deal found 9/10£339
Thu 12/1111:55 -
1 stop11h 20m
Tue 17/1119:40 -
1 stop10h 05m
Deal found 5/10£341
Wed 2/1212:10 -
1 stop13h 05m
Sun 31/118:05 -
1 stop12h 05m
Deal found 9/10£342
Tue 1/1211:55 -
1 stop13h 20m
Wed 3/217:40 -
1 stop10h 15m
Deal found 9/10£342
Tue 17/1111:55 -
1 stop11h 20m
Sun 22/1119:40 -
1 stop10h 05m
Deal found 6/10£343
Wed 2/1209:20 -
1 stop11h 30m
Sat 30/118:05 -
1 stop12h 45m
Deal found 9/10£344
Wed 14/1009:00 -
Nonstop7h 20m
Wed 18/1120:50 -
Nonstop6h 55m
Deal found 7/10£345
Wed 11/1111:55 -
1 stop11h 20m
Sun 22/1119:40 -
1 stop10h 05m
Deal found 7/10£349
Best flights from United Kingdom to OntarioDiscover carefully curated flight deals from United Kingdom to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 October 2026.
Discover carefully curated flight deals from United Kingdom to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 October 2026.
Thu 5/1105:50 -
1 stop18h 25m
Thu 12/1121:15 -
1 stop19h 50m
Deal found 5/10£388
Mon 7/1211:40 -
Nonstop8h 20m
Wed 9/1221:35 -
Nonstop7h 10m
Deal found 7/10£409
Thu 22/1014:20 -
1 stop12h 45m
Thu 5/1119:40 -
1 stop9h 15m
Deal found 5/10£413
Tue 10/1109:05 -
1 stop11h 35m
Wed 18/1117:55 -
1 stop13h 50m
Deal found 6/10£414
Wed 9/1211:45 -
2 stops16h 41m
Mon 14/1221:45 -
Nonstop7h 05m
Deal found 9/10£431
Wed 11/1113:15 -
1 stop11h 30m
Tue 17/1121:25 -
1 stop14h 40m
Deal found 9/10£433
Fri 12/208:50 -
1 stop12h 00m
Sat 20/218:05 -
Nonstop7h 10m
Deal found 6/10£437
Thu 28/118:50 -
1 stop26h 25m
Wed 10/220:25 -
1 stop16h 35m
Deal found 8/10£446
Wed 4/1106:00 -
1 stop12h 00m
Mon 16/1120:50 -
Nonstop6h 55m
Deal found 9/10£450
Tue 15/1207:30 -
2 stops15h 19m
Sun 17/114:43 -
1 stop12h 42m
Deal found 9/10£459
Thu 12/1106:10 -
2 stops13h 35m
Tue 17/1116:30 -
2 stops24h 05m
Deal found 6/10£461
Wed 25/1119:10 -
1 stop25h 30m
Sun 29/1117:10 -
1 stop20h 20m
Deal found 8/10£487
Sun 8/1106:00 -
2 stops20h 41m
Tue 17/1117:30 -
1 stop19h 00m
Deal found 6/10£521
Sat 9/111:35 -
1 stop16h 16m
Sat 16/122:20 -
1 stop18h 55m
Deal found 5/10£571
Mon 8/310:55 -
1 stop36h 25m
Wed 17/321:15 -
1 stop32h 40m
Deal found 7/10£719
Tue 24/1111:40 -
Nonstop8h 20m
Mon 30/1121:35 -
Nonstop7h 10m
Deal found 9/10£423
Sat 21/1112:00 -
1 stop28h 50m
Sat 28/1119:55 -
1 stop31h 30m
Deal found 7/10£441
Thu 11/309:05 -
2 stops18h 55m
Sun 14/322:15 -
1 stop14h 20m
Deal found 6/10£442
Wed 25/1109:50 -
1 stop11h 00m
Sun 29/1118:05 -
1 stop9h 45m
Deal found 9/10£454
Wed 11/1106:00 -
2 stops14h 46m
Tue 17/1118:15 -
1 stop12h 15m
Deal found 6/10£456
Tue 10/1118:45 -
2 stops24h 00m
Wed 18/1120:25 -
1 stop30h 55m
Deal found 6/10£459
Sat 13/311:15 -
1 stop33h 25m
Sat 10/423:30 -
1 stop30h 00m
Deal found 7/10£459
Wed 4/1111:35 -
1 stop11h 40m
Sun 15/1119:40 -
1 stop9h 15m
Deal found 6/10£459
Wed 18/1106:10 -
2 stops13h 35m
Tue 24/1116:30 -
2 stops12h 50m
Deal found 5/10£462
Fri 19/207:30 -
2 stops16h 49m
Fri 26/212:45 -
1 stop15h 25m
Deal found 7/10£468
Fri 11/1206:40 -
1 stop14h 00m
Sun 10/117:10 -
2 stops42h 15m
Deal found 8/10£488
Mon 9/1106:00 -
2 stops30h 35m
Sun 15/1116:45 -
1 stop19h 20m
Deal found 9/10£451
Wed 20/110:00 -
1 stop11h 10m
Mon 25/118:30 -
1 stop16h 15m
Deal found 6/10£453
Tue 17/1106:10 -
2 stops13h 35m
Tue 24/1116:30 -
2 stops12h 50m
Deal found 5/10£462
Thu 19/1105:50 -
1 stop14h 50m
Thu 26/1121:15 -
1 stop10h 40m
Deal found 5/10£528
Direct flights from United Kingdom to OntarioExplore direct flight options from United Kingdom to Ontario based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 October 2026.
Explore direct flight options from United Kingdom to Ontario based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 October 2026.
Sun 29/1109:25 -
Nonstop7h 25m
Sat 5/1219:55 -
Nonstop6h 45m
Deal found 7/10£333
Mon 30/1111:30 -
Nonstop8h 20m
Sun 31/120:50 -
Nonstop6h 55m
Deal found 9/10£338
Sun 29/1108:50 -
Nonstop8h 00m
Sat 5/1219:25 -
Nonstop6h 55m
Deal found 9/10£361
Sun 22/1109:25 -
Nonstop7h 25m
Sat 28/1119:55 -
Nonstop6h 45m
Deal found 9/10£373
Fri 20/1118:00 -
Nonstop8h 05m
Fri 27/1123:00 -
Nonstop7h 20m
Deal found 6/10£381
Sat 23/116:10 -
Nonstop7h 55m
Thu 28/121:45 -
Nonstop7h 05m
Deal found 9/10£391
Sun 8/1111:40 -
Nonstop8h 20m
Tue 17/1121:35 -
Nonstop7h 10m
Deal found 6/10£391
Mon 9/1116:10 -
Nonstop7h 55m
Thu 19/1121:45 -
Nonstop7h 05m
Deal found 10/10£392
Sat 31/1011:40 -
Nonstop8h 20m
Sun 8/1121:35 -
Nonstop7h 10m
Deal found 8/10£392
Sun 8/1115:00 -
Nonstop8h 05m
Tue 17/1120:10 -
Nonstop7h 20m
Deal found 6/10£393
Mon 9/1116:10 -
Nonstop7h 55m
Mon 16/1121:45 -
Nonstop7h 05m
Deal found 9/10£394
Sun 8/1111:40 -
Nonstop8h 20m
Sat 14/1121:35 -
Nonstop7h 10m
Deal found 6/10£394
Last-minute flights from United Kingdom to OntarioDiscover last-minute flight deals from United Kingdom to Ontario. Data last updated 10 October 2026 and is based on user searches.
Discover last-minute flight deals from United Kingdom to Ontario. Data last updated 10 October 2026 and is based on user searches.
Wed 14/1009:00 -
Nonstop7h 20m
Wed 18/1120:50 -
Nonstop6h 55m
Deal found 7/10£345
Fri 16/1013:05 -
1 stop14h 00m
Tue 17/1119:40 -
1 stop10h 05m
Deal found 7/10£328
Fri 16/1013:05 -
1 stop14h 00m
Sun 15/1119:40 -
1 stop10h 05m
Deal found 7/10£350
Fri 16/1008:40 -
1 stop12h 25m
Wed 18/1122:20 -
1 stop11h 35m
Deal found 7/10£351
Wed 11/1111:55 -
1 stop11h 20m
Sun 22/1119:40 -
1 stop10h 05m
Deal found 7/10£349
Thu 12/1111:55 -
1 stop11h 20m
Mon 16/1119:40 -
1 stop10h 05m
Deal found 7/10£338
Thu 12/1111:55 -
1 stop11h 20m
Tue 17/1119:40 -
1 stop10h 05m
Deal found 5/10£341
Tue 17/1111:55 -
1 stop11h 20m
Sun 22/1119:40 -
1 stop10h 05m
Deal found 6/10£343
Thu 26/1111:55 -
1 stop11h 20m
Tue 8/1219:40 -
1 stop10h 05m
Deal found 9/10£339
Sun 29/1109:25 -
Nonstop7h 25m
Sat 5/1219:55 -
Nonstop6h 45m
Deal found 7/10£333
Mon 30/1111:30 -
Nonstop8h 20m
Sun 31/120:50 -
Nonstop6h 55m
Deal found 9/10£338
Mon 30/1111:55 -
1 stop11h 20m
Tue 2/219:40 -
1 stop10h 05m
Deal found 9/10£357
One-way flights from United Kingdom to OntarioSearch for one-way flight options from United Kingdom to Ontario. Find affordable one-way fares based on user searches. Data last updated 10 October 2026.
Search for one-way flight options from United Kingdom to Ontario. Find affordable one-way fares based on user searches. Data last updated 10 October 2026.
Wed 3/216:35 -
1 stop27h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 5/10£246
Tue 2/206:00 -
1 stop14h 20m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 5/10£249
Sat 16/116:35 -
1 stop26h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 5/10£249
Wed 2/1212:15 -
1 stop11h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/10£250
Wed 9/1216:35 -
1 stop27h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/10£250
Sat 16/119:55 -
1 stop23h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 5/10£251
Sun 10/120:35 -
1 stop26h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 8/10£253
Mon 7/1216:35 -
1 stop27h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 9/10£253
Mon 7/1218:30 -
1 stop25h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 9/10£254
Tue 8/1206:00 -
1 stop14h 20m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 8/10£255
Sun 6/1220:35 -
1 stop26h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 7/10£255
Wed 25/1111:55 -
1 stop11h 20m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 5/10£255
Find flight deals from United Kingdom to Ontario
Keep the following information in mind while searching for United Kingdom to Ontario flight deals. Data was last updated 10 October 2026.
Cheapflights Fare Finder
Customise your flight search to find flights from United Kingdom 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 7,457,451 searches. Data last updated 10 October 2026.
Use the filters below to find and compare flights from the United Kingdom to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest return flight
LondonToronto
LGW London Gatwick - YYZ Toronto Pearson Intl
LGWYYZ
London Gatwick
Fri 11/12
11:30-12:30
1 stop30h 00m
Toronto Pearson Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£268
BirminghamToronto
BHX Birmingham - YYZ Toronto Pearson Intl
BHXYYZ
Birmingham
Sun 22/11
07:45-19:50
2 stops17h 05m
Toronto Pearson Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£276
LondonToronto
LGW London Gatwick - YYZ Toronto Pearson Intl
LGWYYZ
London Gatwick
Wed 24/2
09:30-12:05
1 stop31h 35m
Toronto Pearson Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£276
LondonToronto
LGW London Gatwick - YYZ Toronto Pearson Intl
LGWYYZ
London Gatwick
Fri 15/1
11:30-12:30
1 stop30h 00m
Toronto Pearson Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£277
LondonToronto
LHR London Heathrow - YYZ Toronto Pearson Intl
LHRYYZ
London Heathrow
Mon 11/1
20:35-18:15
1 stop26h 40m
Toronto Pearson Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£278
ManchesterToronto
MAN Manchester - YYZ Toronto Pearson Intl
MANYYZ
Manchester
Sun 29/11
18:05-14:05
1 stop25h 00m
Toronto Pearson Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£289
Newcastle upon TyneToronto
NCL Newcastle upon Tyne - YYZ Toronto Pearson Intl
NCLYYZ
Newcastle upon Tyne
Sat 21/11
06:20-19:50
3 stops42h 30m
Toronto Pearson Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£290
LondonToronto
LGW London Gatwick - YYZ Toronto Pearson Intl
LGWYYZ
London Gatwick
Fri 27/11
09:00-16:15
1 stop12h 15m
Toronto Pearson Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£303
LondonToronto
LGW London Gatwick - YYZ Toronto Pearson Intl
LGWYYZ
London Gatwick
Sat 21/11
09:05-16:15
1 stop12h 10m
Toronto Pearson Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£304
LondonToronto
LGW London Gatwick - YYZ Toronto Pearson Intl
LGWYYZ
London Gatwick
Sat 6/2
18:40-16:15
1 stop26h 35m
Toronto Pearson Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£311
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from United Kingdom to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from United Kingdom with our price prediction graph.
MAN-YYZ
GLA-YYZ
LGW-YYZ
LHR-YYZ
BHX-YYZ
Estimated return 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 the United Kingdom to Ontario
GB0-CAON
MAN-YYZ
GLA-YYZ
LGW-YYZ
LHR-YYZ
What is the cheapest month to book a flight from United Kingdom to Region of Ontario?
Currently, February is the cheapest month in which you can book a flight from United Kingdom to Region of Ontario (average of £426). Flying from United Kingdom to Region of Ontario in August is currently the most expensive (average of £632). 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 GB to ON?
Find hourly flight availability from United Kingdom 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 10 October 2026.
When flying from United Kingdom 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 United Kingdom to Region of Ontario
Explore weekly flight availability from United Kingdom 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 10 October 2026.
The most flights from GB0 to CAON are scheduled on a Thursday (40 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (22 on average).
How far ahead should I book a flight from United Kingdom to Region of Ontario?
Booking 43 days in advance of your planned departure date is, on average, the best time to get cheap flights from United Kingdom to Region of Ontario. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 10 October 2026.
Read reviews from past customers who have flown with Air Transat,Virgin Atlantic, andAir Canada from the United Kingdom to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Food
6.8
Comfort
7.3
Overall
7.7
Boarding
8.0
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentLiam,Jun 2025
GLA - YYZ
Crew
8.5
Food
6.8
Comfort
7.3
Overall
7.7
Boarding
8.0
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentLiam,Jun 2025
GLA - YYZ
Crew
8.5
Food
6.8
Comfort
7.3
Overall
7.7
Boarding
8.0
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentLiam,Jun 2025
GLA - YYZ
Crew
8.5
Food
6.8
Comfort
7.3
Overall
7.7
Boarding
8.0
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentLiam,Jun 2025
GLA - YYZ
Crew
8.5
Food
6.8
Comfort
7.3
Overall
7.7
Boarding
8.0
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentLiam,Jun 2025
GLA - YYZ
Crew
8.5
Food
6.8
Comfort
7.3
Overall
7.7
Boarding
8.0
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentLiam,Jun 2025
GLA - YYZ
Related info for your journey
Find useful and relevant information for your journey from United Kingdom to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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.
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Airlines flying to Ontario
Alternative routes for United Kingdom to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ontario by adding a car hire and/or hotel booking to your travel itinerary.
Direct flights to Canada
Book a non-stop flight to one of these other cities located in Canada.
Search flights from United Kingdom to Ontario by cabin class
Find flights from United Kingdom to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
United Kingdom and Ontario flights
Browse other United Kingdom and Ontario flight options. Last updated on 10 October 2026.
Popular flight searches
Check out other popular destinations found by fellow travellers in 2026
Find a return flight route from Ontario
Find the right flight back to United Kingdom after your stay in Ontario
United Kingdom to Ontario flights
Consider these flights travelling from United Kingdom to Ontario.
Top 10 airlines flying from United Kingdom to Ontario
Discover the top 10 airlines that operate flights from United Kingdom 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 7,457,451 searches. Data last updated 10 October 2026.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from United Kingdom to Ontario?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from United Kingdom to Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Ontario?
Cheapflights helps you find that perfect flight to Ontario from United Kingdom by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from United Kingdom to Ontario with no change fees?
Yes, we can. To see specific flights from United Kingdom to Ontario with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from United Kingdom to Ontario become cheaper?
Yes, Cheapflights offers price alerts on United Kingdom to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.