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£113+ 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 7/5. 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
30 Mar — 6 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 25 March 2025.

Good round-trip deal

£91 or less

Good one-way deal

£64 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 25 March 2025.

Mon 5/520:50YYZ - LGW
1 stop12h 45mIcelandair
Tue 13/513:00LGW - YYZ
1 stop13h 55mIcelandair
Deal found 24/3£362
Tue 13/518:55YTZ - LGW
1 stop9h 55mPorter Airlines
Sun 18/511:35LGW - YTZ
1 stop11h 35mPorter Airlines
Deal found 24/3£363
Sun 8/623:00YYZ - LHR
1 stop16h 20mIcelandair
Sat 14/621:25LHR - YYZ
1 stop29h 30mIcelandair
Deal found 24/3£363
Fri 9/523:15YYZ - LGW
1 stop29h 35mAir Transat
Fri 16/511:35LGW - YYZ
1 stop25h 38mAir Transat
Deal found 24/3£363
Sun 8/617:35YYZ - STN
2 stops19h 25mMultiple Airlines
Fri 13/606:40STN - YYZ
1 stop12h 30mMultiple Airlines
Deal found 23/3£363
Fri 13/623:55YYZ - LTN
1 stop16h 50mMultiple Airlines
Sat 21/622:10LTN - YYZ
1 stop22h 40mMultiple Airlines
Deal found 25/3£367
Thu 1/522:40YYZ - LHR
1 stop17h 20mAir Canada
Thu 8/508:40LHR - YYZ
1 stop12h 45mAir Canada
Deal found 24/3£369
Tue 27/522:45YYZ - LGW
Nonstop7h 00mPorter Airlines
Sat 7/611:35LGW - YYZ
1 stop12h 33mPorter Airlines
Deal found 24/3£370
Wed 7/521:00YTZ - LGW
1 stop31h 50mAir Transat
Wed 28/511:35LGW - YTZ
1 stop15h 45mAir Transat
Deal found 24/3£374
Fri 4/417:25YYZ - LHR
1 stop9h 35mAer Lingus
Mon 7/407:40LHR - YYZ
1 stop13h 00mAer Lingus
Deal found 24/3£374
Fri 2/508:50YTZ - LHR
2 stops16h 40mAir Canada
Fri 9/508:40LHR - YTZ
2 stops14h 10mAir Canada
Deal found 24/3£375
Mon 5/523:35YYZ - LHR
Nonstop7h 15mMultiple Airlines
Tue 13/506:00LHR - YYZ
1 stop15h 25mMultiple Airlines
Deal found 24/3£377

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 25 March 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

Mon 5/5

20:50-14:35

1 stop12h 45m

London Gatwick

Tue 13/5

13:00-21:55

1 stop13h 55m

£362

TorontoLondon

YTZ - LGW

YTZLGW

Toronto Island

Tue 13/5

18:55-09:50

1 stop9h 55m

London Gatwick

Sun 18/5

11:35-18:10

1 stop11h 35m

£363

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Sun 8/6

23:00-20:20

1 stop16h 20m

London Heathrow

Sat 14/6

21:25-21:55

1 stop29h 30m

£363

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Fri 9/5

23:15-09:50

1 stop29h 35m

London Gatwick

Fri 16/5

11:35-08:13

1 stop25h 38m

£363

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Sun 8/6

17:35-18:00

2 stops19h 25m

London Stansted

Fri 13/6

06:40-14:10

1 stop12h 30m

£363

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Fri 13/6

23:55-21:45

1 stop16h 50m

London Luton

Sat 21/6

22:10-15:50

1 stop22h 40m

£367

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Thu 1/5

22:40-21:00

1 stop17h 20m

London Heathrow

Thu 8/5

08:40-16:25

1 stop12h 45m

£369

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Tue 27/5

22:45-10:45

Nonstop7h 00m

London Gatwick

Sat 7/6

11:35-19:08

1 stop12h 33m

£370

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Fri 4/4

17:25-08:00

1 stop9h 35m

London Heathrow

Mon 7/4

07:40-15:40

1 stop13h 00m

£374

TorontoLondon

YTZ - LGW

YTZLGW

Toronto Island

Wed 7/5

21:00-09:50

1 stop31h 50m

London Gatwick

Wed 28/5

11:35-22:20

1 stop15h 45m

£374

Flights are sorted by cheapest return flights first.

Deals found on 25/3

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 £222). Flying from Region of Ontario in July will prove the most costly (average of £456). 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, Virgin Atlantic, Aer Lingus. 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 £36. Explore other affordable destinations below.

Calgary

Calgary

From £47

Saskatoon

Saskatoon

From £59

Winnipeg

Winnipeg

From £63

Toronto

Toronto

From £77

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
7,890 reviews
Check prices

Crew

8.5

Food

7.3

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Overall

8.0

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
7,890 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Crew

8.5

Food

7.3

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Overall

8.0

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
1,318 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Crew

8.5

Food

7.3

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Overall

8.0

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
63 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Crew

8.5

Food

7.3

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Overall

8.0

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
1,569 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Crew

8.5

Food

7.3

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Overall

8.0

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.
Air France
7.4
Good
1,423 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Crew

8.5

Food

7.3

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Overall

8.0

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 25 March 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 £135; whereas Toronto Island airport is typically cheaper if you're flying to Edinburgh, from £364. 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 New York from £135 round trip
    Travel from Toronto to London from £241 round trip
    Travel from Toronto to Edinburgh from £342 round trip
    Travel from Toronto to Glasgow from £353 round trip
    Travel from Toronto to Manchester from £366 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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