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Cheap flights from the United Kingdom to Ontario from £217

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 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YYZ
20 Aug — 27 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from United Kingdom to Ontario
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 21 July 2026.

Wed 9/909:00
MAN
-
YYZ
Nonstop7h 20m
Air Canada
Thu 17/919:00
YYZ
-
MAN
Nonstop6h 30m
Air Canada
Deal found 21/7£396
Wed 16/909:00
MAN
-
YYZ
Nonstop7h 20m
Air Canada
Thu 24/919:00
YYZ
-
MAN
Nonstop6h 30m
Air Canada
Deal found 21/7£396
Fri 18/913:25
MAN
-
YYZ
Nonstop7h 35m
Air Transat
Fri 25/923:50
YYZ
-
MAN
Nonstop6h 50m
Air Transat
Deal found 21/7£397
Tue 15/907:00
MAN
-
YYZ
1 stop12h 55m
Multiple Airlines
Tue 22/920:05
YYZ
-
MAN
1 stop12h 15m
Multiple Airlines
Deal found 21/7£398
Thu 17/911:05
MAN
-
YYZ
1 stop13h 25m
Multiple Airlines
Tue 22/920:05
YYZ
-
MAN
1 stop12h 15m
Multiple Airlines
Deal found 21/7£399
Fri 4/905:50
MAN
-
YYZ
2 stops18h 25m
Air France
Mon 21/918:00
YYZ
-
MAN
1 stop15h 00m
Air France
Deal found 21/7£399
Mon 21/906:05
MAN
-
YYZ
1 stop10h 45m
Multiple Airlines
Mon 28/920:05
YYZ
-
MAN
1 stop12h 15m
Multiple Airlines
Deal found 20/7£400
Tue 15/906:05
MAN
-
YYZ
1 stop10h 45m
Air Canada
Thu 24/919:00
YYZ
-
MAN
Nonstop6h 30m
Air Canada
Deal found 19/7£401
Mon 5/1009:40
LGW
-
YUL
1 stop19h 57m
Air Transat
Thu 12/1117:25
YUL
-
LGW
1 stop11h 20m
Air Transat
Deal found 20/7£402
Mon 2/1106:10
MAN
-
YYZ
2 stops13h 35m
Air Canada
Mon 9/1114:00
YYZ
-
MAN
2 stops15h 20m
Air Canada
Deal found 18/7£402
Fri 4/908:40
LHR
-
YUL
1 stop11h 20m
Multiple Airlines
Fri 18/918:40
YUL
-
LHR
Nonstop6h 50m
Multiple Airlines
Deal found 21/7£402
Sat 12/906:05
MAN
-
YYZ
1 stop10h 45m
Multiple Airlines
Thu 24/920:05
YYZ
-
MAN
1 stop12h 15m
Multiple Airlines
Deal found 17/7£402

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 21 July 2026.

Round-trip from

£396

One-way from

£217

Popular in

August

Cheapest in

February

Average price

£573

Good round-trip deal

£396 or less

Good one-way deal

£133 or less
Air Canada
  • Air Canada
  • 9/9-17/9
  • Nonstop
  • 13h 50m total
  • United Kingdom to Ontario
Search Deals
23/9
  • 23/9
  • 2 total stops
  • 31h 45m total
  • United Kingdom to Ontario
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£35 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from United Kingdom to Ontario.
Search Deals
Price to beat on a one-way flight from United Kingdom to Ontario.
Search Deals

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 858,174 searches. Data last updated 21 July 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

Price

Cheapest return flight
Fastest return journey

ManchesterToronto

MAN - YYZ

MANYYZ

Manchester

Sun 20/9

13:25-16:00

Nonstop7h 35m

Toronto Pearson Intl

Sat 26/9

23:50-11:40

Nonstop6h 50m

£397

LondonToronto

LTN - YYZ

LTNYYZ

London Luton

Tue 22/9

19:00-11:00

1 stop21h 00m

Toronto Pearson Intl

Tue 29/9

19:15-22:50

1 stop22h 35m

£413

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Sun 23/8

11:35-17:40

1 stop11h 05m

Toronto Pearson Intl

Sat 5/9

19:10-09:50

1 stop9h 40m

£426

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Wed 14/10

17:50-20:40

Nonstop7h 50m

Toronto Pearson Intl

Thu 22/10

22:55-11:10

Nonstop7h 15m

£428

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Mon 31/8

07:30-20:12

2 stops17h 42m

Montreal Pierre Elliott Trudeau Intl

Mon 7/9

09:45-08:30

1 stop17h 45m

£428

LondonToronto

LTN - YYZ

LTNYYZ

London Luton

Tue 18/8

09:40-15:50

1 stop11h 10m

Toronto Pearson Intl

Fri 11/9

23:55-14:00

1 stop9h 05m

£431

ManchesterToronto

MAN - YYZ

MANYYZ

Manchester

Fri 18/9

13:25-16:00

Nonstop7h 35m

Toronto Pearson Intl

Tue 22/9

23:50-11:40

Nonstop6h 50m

£437

LondonToronto

LTN - YYZ

LTNYYZ

London Luton

Fri 16/10

19:05-11:00

1 stop20h 55m

Toronto Pearson Intl

Fri 23/10

19:15-16:20

1 stop16h 05m

£442

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Mon 31/8

07:30-19:00

2 stops16h 30m

Toronto Pearson Intl

Tue 8/9

12:00-05:55

1 stop12h 55m

£443

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Wed 9/9

07:30-19:00

2 stops16h 30m

Toronto Pearson Intl

Fri 18/9

12:25-06:45

1 stop13h 20m

£443

Flights are sorted by cheapest return flights first.

Deals found on 16/7

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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.
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

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 £413). Flying from United Kingdom to Region of Ontario in August is currently the most expensive (average of £610). 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 21 July 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 21 July 2026.

The most flights from GB0 to CAON are scheduled on a Tuesday (40 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (19 on average).

How far ahead should I book a flight from United Kingdom to Region of Ontario?

Booking 49 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 21 July 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.
Air Transat
7.8
Good
566 reviews
Check prices

Entertainment

7.1

Comfort

7.3

Boarding

8.0

Food

6.8

Crew

8.5

Overall

7.8

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
7.8
Good
566 reviews
Air Transat
7.8
Good
566 reviews
Check prices

Entertainment

7.1

Comfort

7.3

Boarding

8.0

Food

6.8

Crew

8.5

Overall

7.8

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.
Virgin Atlantic
7.5
Good
693 reviews
Air Transat
7.8
Good
566 reviews
Check prices

Entertainment

7.1

Comfort

7.3

Boarding

8.0

Food

6.8

Crew

8.5

Overall

7.8

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 Canada
7.1
Good
11,361 reviews
Air Transat
7.8
Good
566 reviews
Check prices

Entertainment

7.1

Comfort

7.3

Boarding

8.0

Food

6.8

Crew

8.5

Overall

7.8

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.
Lufthansa
6.8
Okay
8,152 reviews
Air Transat
7.8
Good
566 reviews
Check prices

Entertainment

7.1

Comfort

7.3

Boarding

8.0

Food

6.8

Crew

8.5

Overall

7.8

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.
British Airways
6.7
Okay
8,125 reviews
Air Transat
7.8
Good
566 reviews
Check prices

Entertainment

7.1

Comfort

7.3

Boarding

8.0

Food

6.8

Crew

8.5

Overall

7.8

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 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.

  • How long is the flight from United Kingdom to Region of Ontario?

    There are many flights that can get you from United Kingdom to Region of Ontario in 7h 35m. Fly via Air Transat, Delta, or United Airlines to get the fastest option. United Kingdom and Region of Ontario are separated by a distance of 3422 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from United Kingdom to Region of Ontario one-way?

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as £131. Users have also found prices from £171 and £181 on Air Transat and KLM, respectively.

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

    Yes. In addition to deals on United Kingdom to Ontario flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from United Kingdom to Ontario?

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

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

    Yes. Cheapflights offers flight deals from United Kingdom 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 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 £413). Flying from United Kingdom to Region of Ontario in August is currently the most expensive (average of £610). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for United Kingdom to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Stansted to Pierre Elliott Trudeau Intl flights
Heathrow to Ottawa flights
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Southend to Pearson Intl flights
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Luton to Pierre Elliott Trudeau Intl flights
Cork to Kelowna flights
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Edinburgh to Vancouver Intl flights
London City to Ottawa flights
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Stansted to Halifax flights
Gatwick to Halifax flights
Heathrow to Edmonton flights
Stansted to Ottawa flights
Heathrow to Winnipeg flights
London City to Halifax flights
Edinburgh to Toronto Island flights
Manchester to Calgary flights
Dublin to Pearson Intl flights

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 858,174 searches. Data last updated 21 July 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£168Average£517FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Virgin AtlanticCheapest£175Average£580FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IcelandairCheapest£272Average£488FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air TransatCheapest£306Average£568FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
KLMCheapest£315Average£667FlexibilityNo cancel feeOn-time75%
Search KLM flights
TAP AIR PORTUGALCheapest£327Average£583FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
DeltaCheapest£333Average£641FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest£342Average£622FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest£347Average£581FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£348Average£663FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

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.

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