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£87+ 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 7/4. 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
15 Apr — 22 Apr1
1 adult
1 adult, Economy, 0 bags

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 16 March 2026.

Good round-trip deal

£100 or less

Good one-way deal

£58 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

Enter your travel dates to find the best prices.

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 16 March 2026.

Wed 10/622:05
YYZ
-
STN
1 stop17h 25m
Multiple Airlines
Mon 15/608:30
STN
-
YYZ
1 stop12h 20m
Multiple Airlines
Deal found 15/3£392
Mon 6/423:10
YYZ
-
LHR
1 stop31h 45m
Icelandair
Thu 30/413:05
LHR
-
YYZ
1 stop14h 00m
Icelandair
Deal found 12/3£398
Mon 13/423:10
YYZ
-
LGW
1 stop10h 30m
Icelandair
Mon 20/415:40
LGW
-
YYZ
1 stop11h 25m
Icelandair
Deal found 15/3£398
Mon 4/516:15
YYZ
-
LHR
1 stop10h 35m
American Airlines
Sun 17/514:10
LHR
-
YYZ
1 stop12h 34m
American Airlines
Deal found 15/3£398
Wed 15/423:10
YYZ
-
LTN
2 stops17h 05m
Multiple Airlines
Tue 28/409:40
LTN
-
YYZ
2 stops14h 30m
Multiple Airlines
Deal found 11/3£398
Wed 15/420:45
YYZ
-
STN
2 stops21h 35m
Multiple Airlines
Tue 28/406:30
STN
-
YYZ
2 stops17h 40m
Multiple Airlines
Deal found 11/3£398
Wed 15/423:10
YYZ
-
LGW
1 stop10h 30m
Icelandair
Wed 22/415:40
LGW
-
YYZ
1 stop11h 25m
Icelandair
Deal found 14/3£399
Mon 13/420:45
YYZ
-
LHR
1 stop18h 35m
Icelandair
Sun 26/421:25
LHR
-
YYZ
1 stop29h 40m
Icelandair
Deal found 12/3£400
Wed 15/423:10
YYZ
-
LGW
2 stops12h 55m
Multiple Airlines
Tue 28/409:40
LGW
-
YYZ
2 stops14h 30m
Multiple Airlines
Deal found 11/3£400
Mon 13/420:45
YYZ
-
LHR
1 stop18h 35m
Icelandair
Fri 24/421:25
LHR
-
YYZ
1 stop29h 40m
Icelandair
Deal found 12/3£401
Tue 9/620:45
YYZ
-
LTN
2 stops13h 45m
Multiple Airlines
Tue 16/609:40
LTN
-
YYZ
2 stops17h 25m
Multiple Airlines
Deal found 12/3£401
Mon 18/523:10
YYZ
-
LGW
2 stops15h 55m
Multiple Airlines
Thu 28/511:05
LGW
-
YYZ
2 stops13h 05m
Multiple Airlines
Deal found 11/3£401

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 16 March 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sat 23/5

22:05-09:50

Nonstop6h 45m

London Gatwick

Wed 3/6

09:40-17:02

1 stop12h 22m

£412

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Mon 18/5

20:35-10:45

1 stop9h 10m

London Gatwick

Sat 30/5

09:40-17:02

1 stop12h 22m

£429

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 14/5

20:35-10:45

1 stop9h 10m

London Gatwick

Tue 26/5

12:40-19:20

1 stop11h 40m

£453

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Fri 29/5

22:05-09:50

Nonstop6h 45m

London Gatwick

Wed 10/6

11:35-14:15

Nonstop7h 40m

£457

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Sun 31/5

19:15-22:20

1 stop22h 05m

London Luton

Sat 6/6

16:50-11:00

1 stop23h 10m

£469

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Sat 23/5

19:15-21:40

1 stop21h 25m

London Stansted

Sun 7/6

22:10-11:00

1 stop17h 50m

£474

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Mon 1/6

19:15-22:05

1 stop21h 50m

London Luton

Tue 16/6

17:45-11:00

1 stop22h 15m

£481
Fastest return journey

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Fri 22/5

22:05-09:50

Nonstop6h 45m

London Gatwick

Wed 3/6

11:35-14:15

Nonstop7h 40m

£489

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Mon 4/5

16:05-06:30

1 stop9h 25m

London Heathrow

Sun 17/5

12:40-18:29

1 stop10h 49m

£489

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Thu 9/4

22:55-11:10

Nonstop7h 15m

London Heathrow

Mon 13/4

17:45-20:35

Nonstop7h 50m

£490

Flights are sorted by cheapest return flights first.

Deals found on 14/3

Showing 1-10 of 60 resultsSorted by cheapest first
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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, May is the cheapest month in which you can book a flight from Region of Ontario (average of £368). Flying from Region of Ontario in July will prove the most costly (average of £500). 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 £55
Air Transat
Air Transat
From £139
WestJet
WestJet
From £78
Porter Airlines
Porter Airlines
From £44

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

The cheapest city to fly to from Region of Ontario is Regina, with prices starting at £58. Explore other affordable destinations below.

Regina
Regina
From £58
Winnipeg
Winnipeg
From £60
Halifax Intl
Halifax Intl
From £76

Browse thousands of different options on Cheapflights for your next trip

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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 16 March 2026.

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

    Toronto Pearson Intl airport offers the cheapest routes to Vancouver, from £166; whereas Toronto Island airport is typically cheaper if you're flying to London, from £456. 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 May; 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 Vancouver from £166 round trip
    Travel from Toronto to Manchester from £284 round trip
    Travel from Toronto to Glasgow from £387 round trip
    Travel from Toronto to London from £392 round trip
    Travel from Toronto to Edinburgh from £416 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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