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£96+ 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 13/7. 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
12 Jul — 19 Jul1
1 adult
1 adult, Economy, 0 bags

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 12 June 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 - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Fri 9/10

20:30-11:50

1 stop10h 20m

London Heathrow

Sun 18/10

09:00-18:50

1 stop14h 50m

£426
Fastest return journey

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sun 6/9

22:10-10:00

Nonstop6h 50m

London Heathrow

Sun 13/9

09:30-12:00

Nonstop7h 30m

£428

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sat 10/10

22:10-10:00

Nonstop6h 50m

London Heathrow

Fri 23/10

12:40-18:18

1 stop10h 38m

£429

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Sat 18/7

19:15-21:40

1 stop21h 25m

London Stansted

Sun 2/8

22:10-11:00

1 stop17h 50m

£430

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sun 6/9

16:40-08:25

1 stop10h 45m

London Gatwick

Sun 13/9

09:05-15:00

1 stop10h 55m

£431

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Wed 22/7

19:15-10:35

1 stop10h 20m

London Luton

Wed 5/8

19:50-11:00

1 stop20h 10m

£434

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Tue 7/7

19:15-22:50

1 stop22h 35m

London Luton

Mon 13/7

19:25-11:00

1 stop20h 35m

£434

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Mon 6/7

19:15-20:55

1 stop20h 40m

London Luton

Mon 13/7

19:25-11:00

1 stop20h 35m

£435

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Fri 18/9

16:40-08:35

1 stop10h 55m

London Heathrow

Sun 27/9

12:40-18:18

1 stop10h 38m

£435

TorontoLondon

YTZ - LGW

YTZLGW

Toronto Island

Wed 16/9

20:55-09:50

1 stop31h 55m

London Gatwick

Tue 22/9

09:40-16:33

1 stop11h 53m

£436

Flights are sorted by cheapest return flights first.

Deals found on 7/6

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, February is the cheapest month in which you can book a flight from Region of Ontario (average of £438). Flying from Region of Ontario in July will prove the most costly (average of £666). 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, KLM. These airlines fly to the following popular destinations: London.

Air Canada
Air Canada
From £67
Air Transat
Air Transat
From £208
WestJet
WestJet
From £76
Porter Airlines
Porter Airlines
From £110

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

The cheapest city to fly to from Region of Ontario is Halifax Intl, with prices starting at £55. Explore other affordable destinations below.

Halifax Intl
Halifax Intl
From £55
Montreal
Montreal
From £59
Puerto Vallarta Ordaz
Puerto Vallarta Ordaz
From £86
Calgary
Calgary
From £91

When is the best time to book a flight from Region of Ontario?

Booking 80 days in advance of your planned departure date is, on average, the best time to get cheap flights from Region of Ontario. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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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 12 June 2026.

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

    Toronto Pearson Intl airport offers the cheapest routes to Edinburgh, from £301; whereas Toronto Island airport is typically cheaper if you're flying to London, from £404. 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 February; 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 £301 round trip
    Travel from Toronto to Glasgow from £308 round trip
    Travel from Toronto to London from £321 round trip
    Travel from Toronto to Manchester from £336 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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