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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 6/1. 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 Dec — 31 Dec1
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 24 November 2025.

Good round-trip deal

£71 or less

Good one-way deal

£76 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 24 November 2025.

Tue 5/520:50YYZ - LHR
1 stop10h 05mIcelandair
Fri 15/521:25LHR - YYZ
1 stop26h 45mIcelandair
Deal found 23/11£423
Fri 13/221:35YYZ - LGW
Nonstop7h 10mAir Transat
Sun 22/211:40LGW - YYZ
Nonstop8h 20mAir Transat
Deal found 22/11£423
Thu 14/523:55YYZ - STN
1 stop9h 40mMultiple Airlines
Tue 26/522:00STN - YYZ
2 stops22h 00mMultiple Airlines
Deal found 24/11£423
Sun 11/123:00YYZ - LHR
Nonstop7h 20mMultiple Airlines
Sat 17/107:40LHR - YYZ
1 stop12h 10mMultiple Airlines
Deal found 24/11£424
Tue 5/523:55YYZ - LTN
1 stop17h 15mMultiple Airlines
Sat 16/520:10LTN - YYZ
3 stops47h 50mMultiple Airlines
Deal found 22/11£424
Thu 14/520:50YYZ - LGW
1 stop12h 50mIcelandair
Tue 19/513:00LGW - YYZ
1 stop11h 10mIcelandair
Deal found 23/11£424
Sun 22/217:25YYZ - STN
1 stop12h 40mMultiple Airlines
Mon 2/306:30STN - YYZ
1 stop14h 25mMultiple Airlines
Deal found 22/11£424
Mon 9/218:10YYZ - LHR
Nonstop7h 20mMultiple Airlines
Mon 16/218:40LHR - YYZ
1 stop26h 25mMultiple Airlines
Deal found 22/11£424
Mon 23/217:25YYZ - LTN
1 stop10h 10mMultiple Airlines
Mon 2/306:00LTN - YYZ
1 stop14h 55mMultiple Airlines
Deal found 22/11£424
Tue 5/518:20YYZ - LGW
1 stop9h 45mWestJet
Sat 16/511:00LGW - YYZ
1 stop11h 10mWestJet
Deal found 22/11£424
Tue 24/217:25YYZ - STN
1 stop11h 25mMultiple Airlines
Wed 4/306:30STN - YYZ
1 stop14h 25mMultiple Airlines
Deal found 22/11£424
Tue 20/118:10YYZ - LHR
Nonstop7h 20mMultiple Airlines
Tue 3/209:00LHR - YYZ
1 stop12h 05mMultiple Airlines
Deal found 23/11£425

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 24 November 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 11/1

21:35-09:45

Nonstop7h 10m

London Gatwick

Sun 5/4

12:40-16:00

Nonstop8h 20m

£428

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Tue 13/1

21:35-09:45

Nonstop7h 10m

London Gatwick

Fri 10/4

12:40-16:00

Nonstop8h 20m

£428

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Tue 10/3

22:35-09:45

Nonstop7h 10m

London Gatwick

Mon 23/3

11:40-16:00

Nonstop8h 20m

£430

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sat 7/3

21:35-09:45

Nonstop7h 10m

London Gatwick

Mon 16/3

11:40-16:00

Nonstop8h 20m

£433

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Tue 3/3

21:35-09:45

Nonstop7h 10m

London Gatwick

Thu 12/3

11:40-16:00

Nonstop8h 20m

£433

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sun 1/3

21:35-09:45

Nonstop7h 10m

London Gatwick

Mon 9/3

11:40-16:00

Nonstop8h 20m

£433

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Mon 30/3

22:00-14:40

1 stop11h 40m

London Stansted

Tue 7/4

06:30-14:15

1 stop12h 45m

£434

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Fri 5/12

19:25-13:40

1 stop13h 15m

London Luton

Fri 12/12

06:05-12:30

1 stop35h 25m

£434

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Tue 21/4

17:20-07:50

1 stop9h 30m

London Stansted

Tue 28/4

06:30-15:50

1 stop14h 20m

£434

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Tue 14/4

19:50-13:15

1 stop12h 25m

London Luton

Tue 21/4

07:00-13:10

1 stop35h 10m

£436

Flights are sorted by cheapest return flights first.

Deals found on 23/11

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, January is the cheapest month in which you can book a flight from Region of Ontario (average of £358). Flying from Region of Ontario in July will prove the most costly (average of £505). 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 £70
Air Transat
Air Transat
From £118
WestJet
WestJet
From £56
Porter Airlines
Porter Airlines
From £80

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

The cheapest city to fly to from Region of Ontario is Calgary, with prices starting at £46. Explore other affordable destinations below.

Calgary
Calgary
From £46
Chicago
Chicago
From £76
Halifax Intl
Halifax Intl
From £86

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 24 November 2025.

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

    Toronto Pearson Intl airport offers the cheapest routes to Edinburgh, from £340; whereas Toronto Island airport is typically cheaper if you're flying to London, from £414. 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 January; 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 London from £340 round trip
    Travel from Toronto to Glasgow from £347 round trip
    Travel from Toronto to Manchester from £379 round trip
    Travel from Toronto to Edinburgh from £392 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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