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Cheap flights from Ontario to London Stansted Airport from £173

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — STN
19 Feb — 26 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Stansted

Keep the following information in mind while searching for Ontario to Stansted flight deals. Data was last updated 20 January 2026.

Round-trip from

£387

One-way from

£173

Popular in

December

Cheapest in

February

Average price

£408
17/5-27/5
  • 17/5-27/5
  • 4 total stops
  • 49h 55m total
  • Ontario to London
Search Deals
1/2
  • 1/2
  • 2 total stops
  • 38h 20m total
  • Ontario to London
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£17 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Find flight deals from Ontario to Stansted

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Stansted
Explore the most affordable flight options available from Ontario to Stansted. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 January 2026.

Sun 17/508:00
YYZ
-
STN
2 stops32h 20m
Multiple Airlines
Wed 27/506:30
STN
-
YYZ
2 stops17h 35m
Multiple Airlines
Deal found 17/1£387
Tue 5/521:30
YYZ
-
STN
1 stop10h 15m
Multiple Airlines
Tue 12/506:30
STN
-
YYZ
1 stop11h 50m
Multiple Airlines
Deal found 18/1£389
Mon 27/421:30
YYZ
-
STN
1 stop15h 05m
Multiple Airlines
Tue 12/506:30
STN
-
YYZ
1 stop11h 50m
Multiple Airlines
Deal found 18/1£391
Fri 8/517:35
YYZ
-
STN
2 stops20h 45m
Multiple Airlines
Fri 15/522:00
STN
-
YYZ
2 stops26h 05m
Multiple Airlines
Deal found 17/1£391
Mon 23/219:40
YYZ
-
STN
2 stops17h 40m
Multiple Airlines
Fri 27/208:30
STN
-
YYZ
2 stops14h 45m
Multiple Airlines
Deal found 17/1£392
Fri 20/219:35
YYZ
-
STN
1 stop19h 30m
Multiple Airlines
Sat 28/220:00
STN
-
YYZ
1 stop20h 15m
Multiple Airlines
Deal found 17/1£393
Fri 30/119:35
YYZ
-
STN
1 stop19h 30m
Multiple Airlines
Wed 4/221:45
STN
-
YYZ
2 stops23h 30m
Multiple Airlines
Deal found 18/1£394
Mon 4/521:30
YYZ
-
STN
1 stop16h 55m
Multiple Airlines
Sun 31/508:30
STN
-
YYZ
1 stop11h 25m
Multiple Airlines
Deal found 18/1£397
Thu 5/319:35
YYZ
-
STN
1 stop16h 00m
Multiple Airlines
Thu 12/321:30
STN
-
YYZ
1 stop17h 45m
Multiple Airlines
Deal found 18/1£397
Thu 16/420:45
YYZ
-
STN
2 stops19h 35m
Multiple Airlines
Sat 25/411:10
STN
-
YYZ
2 stops13h 00m
Multiple Airlines
Deal found 19/1£398
Fri 30/119:35
YYZ
-
STN
1 stop19h 30m
Multiple Airlines
Wed 11/221:45
STN
-
YYZ
2 stops27h 00m
Multiple Airlines
Deal found 19/1£399
Wed 4/305:40
YOW
-
STN
2 stops31h 10m
Multiple Airlines
Wed 11/321:45
STN
-
YOW
2 stops30h 54m
Multiple Airlines
Deal found 18/1£415

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ontario to Stansted that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 20 January 2026.
Use the filters below to find and compare flights from Ontario to London Stansted Airport that are best for you.

Fly from

Ontario

Fly to

Stansted

Route

Depart

Return

Price

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Wed 4/3

05:40-17:50

2 stops31h 10m

London Stansted

Wed 11/3

21:45-00:39

2 stops30h 54m

£415

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Mon 2/2

16:30-18:40

2 stops21h 10m

London Stansted

Mon 9/2

19:50-17:25

2 stops26h 35m

£416

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Mon 6/4

05:40-12:50

2 stops26h 10m

London Stansted

Mon 13/4

06:30-00:39

2 stops23h 09m

£419

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Fri 15/5

05:55-19:20

3 stops32h 25m

London Stansted

Sun 24/5

06:30-00:22

2 stops22h 52m

£434

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Mon 16/2

12:30-14:05

2 stops20h 35m

London Stansted

Mon 23/2

16:45-19:55

3 stops32h 10m

£437

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Mon 9/3

12:30-16:55

3 stops24h 25m

London Stansted

Wed 18/3

07:40-10:10

2 stops30h 30m

£438

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Mon 20/4

05:40-17:35

2 stops30h 55m

London Stansted

Wed 29/4

22:45-00:20

3 stops30h 35m

£452

MontrealLondon

YUL - STN

YULSTN

Montreal Pierre Elliott Trudeau Intl

Sun 17/5

21:30-15:05

1 stop12h 35m

London Stansted

Mon 1/6

15:35-11:35

1 stop25h 00m

£457

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Mon 9/2

11:45-12:10

2 stops19h 25m

London Stansted

Mon 16/2

19:50-17:25

2 stops26h 35m

£468

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Sun 19/4

23:45-07:15

1 stop26h 30m

London Stansted

Sun 10/5

19:55-17:10

1 stop26h 15m

£468

Flights are sorted by cheapest return flights first.

Deals found on 18/1

Showing 1-10 of 60 results
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Best time to book a flight from Ontario to Stansted

Have a flexible travel schedule? Discover the best time to fly to Stansted 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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to London Stansted Airport
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Stansted. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Region of Ontario to London Stansted Airport?

    A quick flight from Region of Ontario to London Stansted Airport can take about 31h 55m. Turkish Airlines provides one of the quickest options available for as low as £812. There are 3558 mi between Region of Ontario and London Stansted Airport.

  • What are the most popular routes from Region of Ontario to London Stansted Airport?

    When deciding which route to take from Region of Ontario to London Stansted Airport consider Toronto Pearson Intl - London Stansted, Montreal Pierre Elliott Trudeau Intl - London Stansted or Ottawa - London Stansted as they are the most popular.

  • Can I find deals for flights from Ontario to Stansted that include hotel bookings?

    Yes. In addition to deals on Ontario to Stansted flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Stansted?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Stansted.

  • Can I find deals for business class flights from Ontario to Stansted?

    Yes. Cheapflights offers flight deals from Ontario to Stansted by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near London Stansted Airport?

Book flights to London Stansted Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Luton
Slough
Gatwick
Hounslow
Wembley
Ilford
Brentford
Hayes
Colchester
Watford
Crawley
Kingston upon Thames
Bedford
Chelmsford
Eastbourne
Romford
Folkestone
Southall

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to Stansted

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Heathrow flights
Pearson Intl to Gatwick flights
Vancouver Intl to Heathrow flights
Pierre Elliott Trudeau Intl to Heathrow flights
Pearson Intl to London City flights
Vancouver Intl to Gatwick flights
Pearson Intl to Stansted flights
Toronto Island to Heathrow flights
Calgary to Heathrow flights
Pearson Intl to Luton flights
Pierre Elliott Trudeau Intl to Gatwick flights
Vancouver Intl to Stansted flights
Pierre Elliott Trudeau Intl to Stansted flights
Halifax to Heathrow flights
Calgary to Gatwick flights
Calgary to London City flights
Abbotsford to Heathrow flights
Ottawa to Heathrow flights
Halifax to Gatwick flights
Edmonton to Heathrow flights
Edmonton to Gatwick flights
Winnipeg to Gatwick flights
Vancouver Intl to Luton flights
Ottawa to Gatwick flights
Winnipeg to Heathrow flights
St. John's to Gatwick flights
Calgary to Stansted flights
St. John's to Heathrow flights
Québec City to Gatwick flights
Ottawa to Stansted flights
Québec City to Heathrow flights
Victoria to Heathrow flights
Kelowna to Heathrow flights

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 to Stansted?

Deals for Ontario to Stansted flights 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 better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Stansted?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario to Stansted for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Ontario to Stansted with no change fees?

Yes! Cheapflights helps users easily find flights from Ontario to Stansted with no change fees.

Can Cheapflights notify me if prices for flights from Ontario to Stansted become cheaper?

Of course! You can now track prices for flights from Ontario to Stansted and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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