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£89+ 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 21/2. 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
7 feb — 14 feb1
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 8 gennaio 2026.

Good round-trip deal

£107 or less

Good one-way deal

£52 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 8 gennaio 2026.

dom 1/219:40YYZ - LHR
1 stop10h 10mIcelandair
mer 11/212:15LHR - YYZ
1 stop11h 00mIcelandair
Deal found 7/1£389
ven 6/321:55YYZ - STN
1 stop10h 25mMultiple Airlines
gio 26/306:30STN - YYZ
1 stop11h 45mMultiple Airlines
Deal found 7/1£389
mar 14/417:35YYZ - LHR
1 stop11h 45mTAP AIR PORTUGAL
mer 29/411:20LHR - YYZ
1 stop14h 45mTAP AIR PORTUGAL
Deal found 6/1£391
mer 4/221:40YUL - LGW
1 stop15h 55mMultiple Airlines
mer 11/207:55LGW - YUL
1 stop16h 45mMultiple Airlines
Deal found 7/1£391
mer 28/121:35YYZ - LGW
Nonstop7h 10mAir Transat
sab 31/111:40LGW - YYZ
Nonstop8h 20mAir Transat
Deal found 6/1£391
lun 18/517:45YYZ - LHR
1 stop11h 35mTAP AIR PORTUGAL
mer 27/506:00LHR - YYZ
1 stop13h 00mTAP AIR PORTUGAL
Deal found 6/1£391
gio 22/117:25YYZ - LTN
1 stop10h 20mMultiple Airlines
mar 27/109:00LTN - YYZ
1 stop11h 55mMultiple Airlines
Deal found 7/1£391
gio 5/206:45YUL - LGW
1 stop22h 00mAir Transat
sab 21/211:40LGW - YUL
1 stop14h 20mAir Transat
Deal found 7/1£391
ven 6/221:35YYZ - LGW
Nonstop7h 10mAir Transat
lun 2/311:40LGW - YYZ
Nonstop8h 20mAir Transat
Deal found 6/1£391
lun 13/422:45YUL - LHR
1 stop14h 00mTAP AIR PORTUGAL
dom 19/416:35LHR - YUL
1 stop33h 35mTAP AIR PORTUGAL
Deal found 7/1£391
gio 22/117:25YYZ - STN
1 stop11h 25mMultiple Airlines
dom 25/110:15STN - YYZ
1 stop10h 40mMultiple Airlines
Deal found 6/1£391
lun 4/517:45YYZ - LHR
1 stop11h 35mTAP AIR PORTUGAL
mar 19/506:00LHR - YYZ
1 stop13h 00mTAP AIR PORTUGAL
Deal found 7/1£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 8 gennaio 2026. 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

mar 24/2

21:35-09:45

Nonstop7h 10m

London Gatwick

ven 6/3

11:40-15:00

Nonstop8h 20m

£394

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

lun 2/3

21:35-09:45

Nonstop7h 10m

London Gatwick

lun 9/3

11:40-16:00

Nonstop8h 20m

£394

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

mar 24/2

21:35-09:45

Nonstop7h 10m

London Gatwick

lun 9/3

11:40-16:00

Nonstop8h 20m

£394

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

ven 27/2

21:35-09:45

Nonstop7h 10m

London Gatwick

mer 11/3

11:40-16:00

Nonstop8h 20m

£394

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

sab 28/2

21:35-09:45

Nonstop7h 10m

London Gatwick

dom 8/3

11:40-16:00

Nonstop8h 20m

£394

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

mer 6/5

20:45-19:30

2 stops17h 45m

London Stansted

lun 11/5

06:30-22:10

2 stops20h 40m

£397

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

gio 12/2

17:25-07:50

1 stop9h 25m

London Stansted

mar 17/2

06:30-15:55

1 stop14h 25m

£400

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

ven 27/2

21:15-09:35

Nonstop7h 20m

London Heathrow

gio 5/3

06:30-19:15

1 stop17h 45m

£405

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

dom 1/3

21:15-09:35

Nonstop7h 20m

London Heathrow

lun 9/3

10:00-16:40

1 stop10h 40m

£405

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

mer 11/2

21:15-09:35

Nonstop7h 20m

London Heathrow

dom 22/2

16:00-19:25

Nonstop8h 25m

£410

Flights are sorted by cheapest return flights first.

Deals found on 7/1

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, March is the cheapest month in which you can book a flight from Region of Ontario (average of £354). Flying from Region of Ontario in July will prove the most costly (average of £492). 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 £137
WestJet
WestJet
From £55
Porter Airlines
Porter Airlines
From £85

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 £36. Explore other affordable destinations below.

Calgary
Calgary
From £36
Abbotsford
Abbotsford
From £46
Winnipeg
Winnipeg
From £51
Halifax Intl
Halifax Intl
From £64

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 8 gennaio 2026.

  • 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 £380. 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 March; 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 £345 round trip
    Travel from Toronto to Glasgow from £353 round trip
    Travel from Toronto to Edinburgh from £363 round trip
    Travel from Toronto to Manchester from £374 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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