£106+ Cheap flights from Ontario

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
YYZ — LHR
24 Aug — 31 Aug1
1 adult

What to know about flights from Ontario

Discover essential information about flights departing from Ontario, including flight schedules, destinations, airlines operating at the Ontario airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 19 August 2025.

Good round-trip deal

£119 or less

Good one-way deal

£67 or less
Price to beat on a round-trip flight from Ontario.
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Price to beat on a one-way flight from Ontario.
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Find flights from Ontario

Cheapest flights from Ontario
Explore the most affordable flight options available from Ontario. Find the lowest fares based on data from user searches, with prices last updated on 19 August 2025.

Sun 28/908:50YTZ - LHR
2 stops16h 40mAir Canada
Tue 7/1008:45LHR - YTZ
2 stops14h 00mAir Canada
Deal found 17/8£390
Mon 3/1118:10YYZ - LHR
Nonstop7h 20mAir Canada
Tue 11/1109:00LHR - YYZ
1 stop11h 50mAir Canada
Deal found 17/8£390
Mon 3/1119:40YYZ - LGW
1 stop10h 15mIcelandair
Tue 11/1111:55LGW - YYZ
1 stop11h 20mIcelandair
Deal found 17/8£390
Wed 10/914:00YYZ - LHR
1 stop13h 35mAir Canada
Wed 17/908:30LHR - YYZ
Nonstop7h 55mAir Canada
Deal found 17/8£390
Wed 1/1020:50YYZ - LGW
1 stop12h 50mIcelandair
Fri 31/1011:55LGW - YYZ
1 stop11h 20mIcelandair
Deal found 17/8£390
Sun 21/908:50YTZ - LGW
1 stop20h 00mAir Transat
Tue 14/1011:35LGW - YTZ
1 stop11h 35mAir Transat
Deal found 17/8£391
Fri 17/1023:35YYZ - LHR
Nonstop7h 15mMultiple Airlines
Sun 26/1007:40LHR - YYZ
1 stop12h 15mMultiple Airlines
Deal found 17/8£391
Tue 30/920:50YYZ - LGW
1 stop12h 50mIcelandair
Tue 7/1015:40LGW - YYZ
1 stop32h 30mIcelandair
Deal found 17/8£391
Wed 1/1020:50YYZ - STN
2 stops19h 05mMultiple Airlines
Wed 8/1009:05STN - YYZ
2 stops17h 50mMultiple Airlines
Deal found 17/8£391
Thu 27/1110:30YTZ - LHR
1 stop15h 40mAir Canada
Tue 2/1209:00LHR - YTZ
2 stops17h 35mAir Canada
Deal found 19/8£392
Sun 21/918:55YTZ - LGW
1 stop9h 55mAir Transat
Tue 7/1011:35LGW - YTZ
1 stop15h 45mAir Transat
Deal found 18/8£392
Sun 28/916:30YYZ - LHR
1 stop9h 00mMultiple Airlines
Tue 7/1012:40LHR - YYZ
1 stop11h 45mMultiple Airlines
Deal found 17/8£392

Find flights from Ontario within your budget

 
Find flights departing from Ontario that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 19 August 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sun 9/11

21:35-09:45

Nonstop7h 10m

London Gatwick

Wed 4/2

11:40-15:00

Nonstop8h 20m

£390

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Fri 14/11

21:35-09:45

Nonstop7h 10m

London Gatwick

Fri 6/2

11:40-15:00

Nonstop8h 20m

£390

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Thu 13/11

21:35-09:45

Nonstop7h 10m

London Gatwick

Sat 7/2

11:40-15:00

Nonstop8h 20m

£390

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Thu 13/11

21:35-09:45

Nonstop7h 10m

London Gatwick

Sun 1/2

11:40-15:00

Nonstop8h 20m

£390

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Wed 1/10

20:50-20:55

2 stops19h 05m

London Stansted

Wed 8/10

09:05-21:55

2 stops17h 50m

£391

TorontoLondon

YTZ - LHR

YTZLHR

Toronto Island

Thu 27/11

10:30-07:10

1 stop15h 40m

London Heathrow

Tue 2/12

09:00-21:35

2 stops17h 35m

£392

TorontoLondon

YTZ - LHR

YTZLHR

Toronto Island

Thu 27/11

10:40-07:10

2 stops15h 30m

London Heathrow

Thu 4/12

09:00-18:00

2 stops14h 00m

£392

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Tue 9/9

22:40-22:55

1 stop19h 15m

London Stansted

Mon 15/9

06:25-09:59

2 stops32h 34m

£392

TorontoLondon

YTZ - LHR

YTZLHR

Toronto Island

Tue 25/11

12:30-07:10

1 stop13h 40m

London Heathrow

Thu 4/12

09:00-18:00

2 stops14h 00m

£392

TorontoLondon

YTZ - LGW

YTZLGW

Toronto Island

Sun 28/9

21:00-09:50

1 stop31h 50m

London Gatwick

Tue 7/10

11:35-18:10

1 stop11h 35m

£392

Flights are sorted by cheapest return flights first.

Deals found on 18/8

Showing 1-10 of 60 results
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Best time to book a flight from Ontario

Have a flexible travel schedule? Discover the best time to fly from Ontario 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.

Travel insights for flights from Ontario

Get recent, data-driven insights about flights from Ontario including ideal travel times, pricing trends, and more.

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

Currently, November is the cheapest month in which you can book a flight from Region of Ontario (average of £324). Flying from Region of Ontario in July will prove the most costly (average of £490). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Region of Ontario?

Many airlines operate round-trip flights from Region of Ontario: Air Canada, British Airways, Virgin Atlantic, Lufthansa, Icelandair. These airlines fly to the following popular destinations: London.

Air Canada
Air Canada
From £92
Air Transat
Air Transat
From £155
WestJet
WestJet
From £74
Porter Airlines
Porter Airlines
From £109

What is the cheapest place to fly to from Region of Ontario?

The cheapest city to fly to from Region of Ontario is Toronto, with prices starting at £43. Explore other affordable destinations below.

Toronto
Toronto
From £58
Ottawa
Ottawa
From £71
Calgary
Calgary
From £79
Montreal
Montreal
From £92

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Direct flights from Canada

Book a direct flight from one of these other cities located in Canada.
Direct flights from Ottawa
Direct flights from London
Direct flights from Thunder Bay
Direct flights from Sudbury
Direct flights from Timmins

Related info for your journey

Access useful and relevant information related to your journey from Ontario. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 19 August 2025.

  • What is the cheapest airport to fly out of Region of Ontario?

    Toronto Pearson Intl airport offers the cheapest routes to Edinburgh, from £345; whereas Toronto Island airport is typically cheaper if you're flying to London, from £364. It's best to make sure you are flexible on dates to find the cheapest possible flight options for your journey.

  • What is the cheapest month to fly from Region of Ontario?

    At the present moment the cheapest month to fly from Region of Ontario is currently November; with July being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from Region of Ontario?

    Check out the cheapest flights from Region of Ontario to embark to:
    Travel from Toronto to Edinburgh from £345 round trip
    Travel from Toronto to London from £350 round trip
    Travel from Toronto to Glasgow from £378 round trip
    Travel from Toronto to Manchester from £395 round trip

  • How does Cheapflights help users find flights from Ontario?

    Deals for flights from Ontario are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

  • Why should you use Cheapflights to find cheap flight tickets from Ontario?

    It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ontario.

  • Can Cheapflights find flights from Ontario with no change fees?

    Yes! Cheapflights helps users easily find flights from Ontario with no change fees.

  • Can Cheapflights notify me if prices for flights from Ontario become cheaper?

    Not ready to book yet? You can track prices for flights from Ontario on Cheapflights with our Price Alerts feature and get notified when better prices are available.

See more FAQs

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 Ontario?

Deals for flights from Ontario are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Ontario?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ontario.

Can Cheapflights find flights from Ontario with no change fees?

Yes! Cheapflights helps users easily find flights from Ontario with no change fees.

Can Cheapflights notify me if prices for flights from Ontario become cheaper?

Not ready to book yet? You can track prices for flights from Ontario on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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