Find flights
When to book
FAQs

Cheap flights from Ontario to London Stansted Airport from £170

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
21 Feb — 28 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap 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 22 January 2026.

Fri 30/117:25
YYZ
-
STN
1 stop19h 55m
Multiple Airlines
Tue 3/208:30
STN
-
YYZ
1 stop12h 25m
Multiple Airlines
Deal found 21/1£383
Sun 12/422:00
YYZ
-
STN
1 stop9h 55m
Multiple Airlines
Tue 28/422:00
STN
-
YYZ
2 stops24h 00m
Multiple Airlines
Deal found 21/1£384
Thu 5/319:35
YYZ
-
STN
1 stop12h 45m
Multiple Airlines
Tue 10/321:45
STN
-
YYZ
1 stop17h 30m
Multiple Airlines
Deal found 21/1£386
Wed 8/422:00
YYZ
-
STN
1 stop16h 30m
Multiple Airlines
Sat 18/406:35
STN
-
YYZ
1 stop12h 40m
Multiple Airlines
Deal found 21/1£389
Sun 12/422:00
YYZ
-
STN
1 stop9h 55m
Multiple Airlines
Tue 21/406:30
STN
-
YYZ
1 stop12h 45m
Multiple Airlines
Deal found 20/1£389
Mon 6/422:00
YYZ
-
STN
1 stop20h 20m
Multiple Airlines
Mon 13/422:45
STN
-
YYZ
1 stop20h 30m
Multiple Airlines
Deal found 21/1£391
Sun 19/420:45
YYZ
-
STN
2 stops20h 35m
Multiple Airlines
Sat 25/411:10
STN
-
YYZ
2 stops15h 55m
Multiple Airlines
Deal found 21/1£392
Mon 6/422:00
YYZ
-
STN
1 stop9h 50m
Multiple Airlines
Mon 20/406:30
STN
-
YYZ
1 stop12h 45m
Multiple Airlines
Deal found 21/1£394
Sat 7/217:25
YYZ
-
STN
1 stop11h 25m
Multiple Airlines
Tue 10/206:30
STN
-
YYZ
1 stop14h 25m
Multiple Airlines
Deal found 22/1£395
Sun 26/421:30
YYZ
-
STN
1 stop10h 25m
Multiple Airlines
Thu 7/506:30
STN
-
YYZ
1 stop11h 50m
Multiple Airlines
Deal found 19/1£395
Wed 18/322:40
YUL
-
STN
2 stops20h 00m
Multiple Airlines
Mon 30/306:00
STN
-
YUL
2 stops20h 00m
Multiple Airlines
Deal found 21/1£418
Mon 2/220:15
YUL
-
STN
1 stop17h 25m
Multiple Airlines
Mon 9/219:50
STN
-
YUL
1 stop21h 25m
Multiple Airlines
Deal found 21/1£423

Find flight deals from Ontario to Stansted

Keep the following information in mind while searching for Ontario to Stansted flight deals. Data was last updated 22 January 2026.

Round-trip from

£384

One-way from

£170

Popular in

December

Cheapest in

February

Average price

£407
12/4-28/4
  • 12/4-28/4
  • 3 total stops
  • 33h 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 (£18 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 22 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

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Wed 29/4

17:35-11:35

2 stops13h 00m

London Stansted

Thu 14/5

06:30-13:20

1 stop11h 50m

£418

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Mon 13/4

09:00-19:25

2 stops29h 25m

London Stansted

Mon 20/4

06:30-00:39

2 stops23h 09m

£423

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Wed 4/2

12:30-23:20

3 stops29h 50m

London Stansted

Mon 9/2

17:00-17:55

3 stops29h 55m

£438

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Wed 18/3

10:25-19:40

3 stops29h 15m

London Stansted

Mon 23/3

19:55-15:55

3 stops24h 00m

£444

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Tue 17/3

16:25-11:30

2 stops15h 05m

London Stansted

Mon 23/3

19:55-15:55

3 stops24h 00m

£451

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Mon 16/2

09:30-14:05

2 stops23h 35m

London Stansted

Sun 22/2

14:55-19:55

3 stops34h 00m

£456

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

Wed 20/5

22:05-20:35

1 stop17h 30m

London Stansted

Thu 28/5

19:55-17:10

1 stop26h 15m

£471

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Mon 13/4

09:00-19:25

2 stops29h 25m

London Stansted

Tue 5/5

22:00-00:20

3 stops31h 20m

£471

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Thu 12/2

09:30-00:05

3 stops33h 35m

London Stansted

Wed 25/2

12:25-15:55

3 stops32h 30m

£478

Flights are sorted by cheapest return flights first.

Deals found on 20/1

Showing 1-10 of 60 results
1
2
3
...
6

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.

  • 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
Luton
Croydon
Wembley
Gatwick
Slough
Hounslow
Ilford
Brentford
Hayes
Colchester
Watford
Crawley
Bedford
Kingston upon Thames
Chelmsford
Eastbourne
Romford
Folkestone
Southend-on-Sea

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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
Pearson Intl to London City flights
Pierre Elliott Trudeau Intl to Heathrow flights
Pearson Intl to Stansted flights
Toronto Island to Heathrow flights
Vancouver Intl to Gatwick 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
Calgary to Gatwick flights
Halifax to Heathrow flights
Calgary to London City flights
Ottawa to Heathrow flights
Abbotsford to Heathrow flights
Halifax to Gatwick flights
Edmonton to Heathrow flights
Vancouver Intl to Luton flights
Ottawa to Gatwick flights
Edmonton to Gatwick flights
Winnipeg to Heathrow flights
Calgary to Stansted flights
Winnipeg to Gatwick flights
Québec City to Heathrow flights
St. John's to Gatwick flights
Québec City to Gatwick flights
Ottawa to Stansted flights
Victoria to Heathrow flights
Victoria to Gatwick 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.