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£84+ 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
26 Feb — 5 Mar1
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 21 February 2025.

Good round-trip deal

£60 or less

Good one-way deal

£50 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 21 February 2025.

Tue 8/422:35YYZ - LGW
Nonstop7h 10mAir Transat
Fri 30/511:35LGW - YYZ
1 stop12h 43mAir Transat
Deal found 20/2£362
Sun 11/522:45YYZ - LGW
Nonstop7h 00mMultiple Airlines
Wed 21/515:35LGW - YYZ
1 stop27h 35mMultiple Airlines
Deal found 20/2£364
Sun 30/322:35YYZ - LGW
Nonstop7h 10mPorter Airlines
Fri 11/412:40LGW - YYZ
Nonstop8h 20mPorter Airlines
Deal found 21/2£365
Sun 13/415:25YTZ - LHR
1 stop10h 05mAir Canada
Sun 4/506:50LHR - YTZ
2 stops13h 00mAir Canada
Deal found 20/2£372
Wed 2/417:40YYZ - LHR
1 stop11h 40mTAP AIR PORTUGAL
Tue 29/418:45LHR - YYZ
1 stop24h 10mTAP AIR PORTUGAL
Deal found 20/2£375
Mon 3/318:10YYZ - LHR
Nonstop7h 20mAir Canada
Thu 13/306:00LHR - YYZ
1 stop13h 35mAir Canada
Deal found 19/2£376
Thu 5/616:40YTZ - LGW
1 stop12h 10mPorter Airlines
Tue 17/611:35LGW - YTZ
1 stop15h 45mPorter Airlines
Deal found 20/2£392
Wed 12/310:20YTZ - LHR
2 stops16h 50mMultiple Airlines
Wed 19/311:10LHR - YTZ
2 stops14h 40mMultiple Airlines
Deal found 19/2£395
Sun 1/620:55YTZ - LGW
1 stop31h 55mAir Transat
Fri 13/611:35LGW - YTZ
1 stop11h 35mAir Transat
Deal found 19/2£398
Thu 24/418:20YYZ - LHR
Nonstop7h 15mLufthansa
Thu 8/506:55LHR - YYZ
1 stop16h 35mLufthansa
Deal found 20/2£402
Tue 6/507:40YYZ - STN
2 stops35h 15mMultiple Airlines
Tue 13/508:15STN - YYZ
1 stop10h 55mMultiple Airlines
Deal found 20/2£410
Sun 11/523:55YYZ - LTN
1 stop16h 35mMultiple Airlines
Wed 21/513:00LTN - YYZ
1 stop30h 10mMultiple Airlines
Deal found 20/2£412

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 21 February 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

Tue 8/4

22:35-10:45

Nonstop7h 10m

London Gatwick

Fri 30/5

11:35-19:18

1 stop12h 43m

£362

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sun 11/5

22:45-10:45

Nonstop7h 00m

London Gatwick

Wed 21/5

15:35-14:10

1 stop27h 35m

£364

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sun 30/3

22:35-10:45

Nonstop7h 10m

London Gatwick

Fri 11/4

12:40-16:00

Nonstop8h 20m

£365

TorontoLondon

YTZ - LHR

YTZLHR

Toronto Island

Sun 13/4

10:20-06:30

2 stops15h 10m

London Heathrow

Sun 4/5

06:50-14:50

2 stops13h 00m

£372

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Wed 2/4

17:40-10:20

1 stop11h 40m

London Heathrow

Tue 29/4

18:45-13:55

1 stop24h 10m

£375

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Mon 3/3

18:10-06:30

Nonstop7h 20m

London Heathrow

Thu 13/3

06:00-15:35

1 stop13h 35m

£376

TorontoLondon

YTZ - LGW

YTZLGW

Toronto Island

Thu 5/6

16:40-09:50

1 stop12h 10m

London Gatwick

Tue 17/6

11:35-22:20

1 stop15h 45m

£392

TorontoLondon

YTZ - LHR

YTZLHR

Toronto Island

Wed 12/3

10:20-07:10

2 stops16h 50m

London Heathrow

Wed 19/3

11:10-21:50

2 stops14h 40m

£395

TorontoLondon

YTZ - LGW

YTZLGW

Toronto Island

Sun 1/6

20:55-09:50

1 stop31h 55m

London Gatwick

Fri 13/6

11:35-18:10

1 stop11h 35m

£398

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Thu 24/4

18:20-06:35

Nonstop7h 15m

London Heathrow

Thu 8/5

06:55-18:30

1 stop16h 35m

£402

Flights are sorted by cheapest return flights first.

Deals found on 20/2

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 £227). Flying from Region of Ontario in July will prove the most costly (average of £463). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

When is the cheapest time to fly from Region of Ontario?

Use this chart to determine the cheapest time to fly return from Ontario to Heathrow. Price data was last updated on 16 December 2024.

Those who are seeking the cheapest fare on flights departing from Region of Ontario would be wise to consider leaving during Tuesday afternoons when prices are typically at their lowest. When considering other options, price-conscious travelers should avoid Monday at midday when fares are usually the most expensive.

Which airlines fly from Region of Ontario?

Many airlines operate round-trip flights from Region of Ontario: Air Canada, British Airways, Lufthansa, Aer Lingus, 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 £40. Explore other affordable destinations below.

Calgary

Calgary

From £50

Winnipeg

Winnipeg

From £51

Halifax Intl

Halifax Intl

From £53

Edmonton

Edmonton

From £57

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
8,219 reviews
Check prices

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.5

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
8,219 reviews
Delta
8.0
Very Good
8,219 reviews
Check prices

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.5

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
1,333 reviews
Delta
8.0
Very Good
8,219 reviews
Check prices

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.5

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
7.6
Good
62 reviews
Delta
8.0
Very Good
8,219 reviews
Check prices

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.5

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
773 reviews
Delta
8.0
Very Good
8,219 reviews
Check prices

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.5

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.

SWISS
7.5
Good
1,568 reviews
Delta
8.0
Very Good
8,219 reviews
Check prices

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.5

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 21 February 2025.

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

    Toronto Pearson Intl airport offers the cheapest routes to New York, from £201; whereas Toronto Island airport is typically cheaper if you're flying to London, from £391. 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 London from £201 round trip
    Travel from Toronto to New York from £226 round trip
    Travel from Toronto to Glasgow from £379 round trip
    Travel from Toronto to Edinburgh from £388 round trip
    Travel from Toronto to Manchester from £403 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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