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£116+ 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 27/5. 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
20 Apr — 27 Apr1
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 15 April 2025.

Good round-trip deal

£112 or less

Good one-way deal

£35 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 15 April 2025.

Sat 17/518:55YTZ - LGW
1 stop9h 55mAir Transat
Fri 30/511:35LGW - YTZ
1 stop15h 45mAir Transat
Deal found 14/4£362
Sun 15/622:15YYZ - STN
1 stop16h 15mMultiple Airlines
Tue 17/621:25STN - YYZ
2 stops24h 26mMultiple Airlines
Deal found 14/4£362
Fri 9/512:25YTZ - LHR
1 stop13h 05mAir Canada
Thu 15/508:40LHR - YTZ
2 stops14h 10mAir Canada
Deal found 14/4£362
Sat 24/518:55YTZ - LGW
1 stop9h 55mPorter Airlines
Tue 27/511:35LGW - YTZ
1 stop11h 35mPorter Airlines
Deal found 13/4£362
Sun 1/623:00YYZ - LGW
1 stop31h 45mIcelandair
Sat 7/615:40LGW - YYZ
1 stop11h 15mIcelandair
Deal found 14/4£363
Thu 8/520:50YYZ - LHR
1 stop10h 05mIcelandair
Wed 14/521:25LHR - YYZ
1 stop29h 30mIcelandair
Deal found 13/4£364
Thu 8/516:00YYZ - LGW
1 stop12h 50mAir Transat
Wed 14/511:35LGW - YYZ
1 stop10h 50mAir Transat
Deal found 15/4£364
Tue 27/522:10YYZ - LGW
1 stop12h 00mMultiple Airlines
Sat 7/619:20LGW - YYZ
1 stop23h 50mMultiple Airlines
Deal found 14/4£365
Wed 16/722:15YYZ - LTN
1 stop13h 30mMultiple Airlines
Sat 19/707:15LTN - YYZ
1 stop11h 55mMultiple Airlines
Deal found 14/4£366
Sat 10/516:30YYZ - LHR
1 stop9h 00mAir Canada
Thu 15/508:40LHR - YYZ
1 stop12h 45mAir Canada
Deal found 13/4£367
Wed 21/522:30YYZ - LHR
Nonstop7h 10mVirgin Atlantic
Tue 27/519:15LHR - YYZ
1 stop23h 15mVirgin Atlantic
Deal found 14/4£374
Fri 25/721:05YYZ - LHR
1 stop13h 50mMultiple Airlines
Fri 8/806:20LHR - YYZ
1 stop12h 50mMultiple Airlines
Deal found 13/4£376

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 15 April 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

TorontoLondon

YTZ - LGW

YTZLGW

Toronto Island

Sat 17/5

18:55-09:50

1 stop9h 55m

London Gatwick

Fri 30/5

11:35-22:20

1 stop15h 45m

£362

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Tue 20/5

20:50-11:55

1 stop10h 05m

London Heathrow

Mon 26/5

21:25-21:55

1 stop29h 30m

£362

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Sun 15/6

22:15-19:30

1 stop16h 15m

London Stansted

Tue 17/6

21:25-16:51

2 stops24h 26m

£362

TorontoLondon

YTZ - LHR

YTZLHR

Toronto Island

Fri 9/5

12:25-06:30

1 stop13h 05m

London Heathrow

Thu 15/5

08:40-17:50

2 stops14h 10m

£362

TorontoLondon

YTZ - LGW

YTZLGW

Toronto Island

Sat 24/5

18:55-09:50

1 stop9h 55m

London Gatwick

Tue 27/5

11:35-18:10

1 stop11h 35m

£362

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sun 1/6

23:00-11:45

1 stop31h 45m

London Gatwick

Sat 7/6

15:40-21:55

1 stop11h 15m

£363

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Thu 8/5

16:00-09:50

1 stop12h 50m

London Gatwick

Wed 14/5

11:35-17:25

1 stop10h 50m

£364

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Tue 27/5

22:10-15:10

1 stop12h 00m

London Gatwick

Sat 7/6

19:20-14:10

1 stop23h 50m

£365

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Wed 16/7

22:15-16:45

1 stop13h 30m

London Luton

Sat 19/7

07:15-14:10

1 stop11h 55m

£366

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Sat 10/5

16:30-06:30

1 stop9h 00m

London Heathrow

Thu 15/5

08:40-16:25

1 stop12h 45m

£367

Flights are sorted by cheapest return flights first.

Deals found on 14/4

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 £311). Flying from Region of Ontario in July will prove the most costly (average of £457). 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, Lufthansa, Virgin Atlantic, Icelandair. These airlines fly to the following popular destinations: London.

Air Canada

Air Canada

From £92

Air Transat

Air Transat

From £112

WestJet

WestJet

From £74

Porter Airlines

Porter Airlines

From £73

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 £31. Explore other affordable destinations below.

Calgary

Calgary

From £41

Ottawa

Ottawa

From £48

Montreal

Montreal

From £53

Abbotsford

Abbotsford

From £70

Airline reviews for flights from Ontario

Get insights into the airlines that provide service from Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Ontario. In the last 7 days, Cheapflights users made a total of 858,174 searches.
Delta
8.0
Very Good
7,917 reviews
Check prices

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very Good
7,917 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
775 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Azores Airlines
7.5
Good
65 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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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 15 April 2025.

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

    Toronto Pearson Intl airport offers the cheapest routes to Edinburgh, from £324; whereas Toronto Island airport is typically cheaper if you're flying to Edinburgh, from £358. 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 Glasgow from £324 round trip
    Travel from Toronto to London from £343 round trip
    Travel from Toronto to Manchester from £379 round trip
    Travel from Toronto to Edinburgh from £391 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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