Find flights
When to book
FAQs

Cheap flights from Ontario to London Stansted Airport from £189

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 19/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — STN
13 Aug — 20 Aug1
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 14 July 2026.

Wed 23/915:10
YUL
-
STN
2 stops27h 45m
Multiple Airlines
Mon 28/918:00
STN
-
YUL
1 stop21h 40m
Multiple Airlines
Deal found 12/7£400
Wed 23/918:20
YYZ
-
STN
2 stops22h 00m
Multiple Airlines
Tue 13/1018:20
STN
-
YYZ
2 stops31h 45m
Multiple Airlines
Deal found 14/7£403
Sat 3/1021:35
YYZ
-
STN
1 stop29h 15m
Multiple Airlines
Wed 14/1006:30
STN
-
YYZ
1 stop14h 20m
Multiple Airlines
Deal found 14/7£404
Tue 15/917:45
YUL
-
STN
2 stops23h 55m
Multiple Airlines
Wed 23/906:30
STN
-
YUL
3 stops22h 55m
Multiple Airlines
Deal found 10/7£404
Wed 12/823:55
YYZ
-
STN
1 stop18h 25m
Multiple Airlines
Thu 27/822:00
STN
-
YYZ
1 stop20h 20m
Multiple Airlines
Deal found 14/7£404
Thu 6/823:55
YYZ
-
STN
1 stop17h 30m
Multiple Airlines
Fri 21/806:35
STN
-
YYZ
1 stop14h 15m
Multiple Airlines
Deal found 12/7£405
Fri 24/723:55
YYZ
-
STN
1 stop16h 25m
Multiple Airlines
Wed 19/806:30
STN
-
YYZ
1 stop14h 20m
Multiple Airlines
Deal found 13/7£407
Sun 26/723:55
YYZ
-
STN
1 stop17h 25m
Multiple Airlines
Wed 19/806:30
STN
-
YYZ
1 stop14h 20m
Multiple Airlines
Deal found 13/7£407
Fri 25/917:55
YUL
-
STN
1 stop20h 30m
Multiple Airlines
Fri 2/1008:40
STN
-
YUL
2 stops20h 56m
Multiple Airlines
Deal found 12/7£408
Sun 9/823:55
YYZ
-
STN
1 stop14h 35m
Multiple Airlines
Thu 13/806:30
STN
-
YYZ
2 stops15h 40m
Multiple Airlines
Deal found 10/7£408
Sun 16/817:30
YTZ
-
STN
2 stops21h 00m
Multiple Airlines
Thu 20/806:30
STN
-
YTZ
2 stops12h 51m
Multiple Airlines
Deal found 11/7£409
Fri 7/817:35
YYZ
-
STN
1 stop9h 15m
Multiple Airlines
Wed 12/806:30
STN
-
YYZ
1 stop14h 20m
Multiple Airlines
Deal found 10/7£409

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 14 July 2026.

Round-trip from

£400

One-way from

£189

Popular in

July

Cheapest in

February

Average price

£639
23/9-28/9
  • 23/9-28/9
  • 3 total stops
  • 49h 25m total
  • Ontario to London
Search Deals
19/9
  • 19/9
  • 1 total stop
  • 20h 45m total
  • Ontario to London
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£71 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 July 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 14 July 2026.
Use the filters below to find and compare flights from Ontario to London Stansted Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Mon 17/8

18:30-12:50

2 stops13h 20m

London Stansted

Mon 24/8

06:30-14:21

2 stops12h 51m

£416

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Mon 3/8

18:30-17:05

2 stops17h 35m

London Stansted

Mon 10/8

22:00-14:21

2 stops21h 21m

£417

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Mon 10/8

18:30-12:50

2 stops13h 20m

London Stansted

Mon 17/8

06:30-14:21

2 stops12h 51m

£437

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Sun 23/8

18:30-12:55

2 stops13h 25m

London Stansted

Sat 29/8

06:35-14:21

2 stops12h 46m

£451
Fastest return journey

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Wed 19/8

18:30-11:35

2 stops12h 05m

London Stansted

Thu 27/8

06:30-14:21

2 stops12h 51m

£452

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Fri 7/8

17:30-12:50

2 stops14h 20m

London Stansted

Tue 11/8

06:30-14:21

2 stops12h 51m

£455

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Mon 26/10

17:50-12:10

2 stops14h 20m

London Stansted

Mon 9/11

19:50-21:20

2 stops30h 30m

£470

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Tue 18/8

08:25-12:25

2 stops23h 00m

London Stansted

Wed 26/8

19:40-14:15

2 stops23h 35m

£470

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Mon 24/8

06:55-20:55

2 stops33h 00m

London Stansted

Fri 28/8

06:35-17:35

2 stops16h 00m

£470

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Sat 22/8

08:25-12:45

2 stops23h 20m

London Stansted

Wed 2/9

19:40-22:16

2 stops31h 36m

£534

Flights are sorted by cheapest return flights first.

Deals found on 9/7

Showing 1-10 of 60 resultsSorted by cheapest first
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.

  • 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 15h 45m. Turkish Airlines provides one of the quickest options available for as low as £783. There are 3255 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
Hounslow
Milton Keynes
Luton
Gatwick
Wembley
Slough
Ilford
Croydon
Hayes
Brentford
Colchester
Watford
Eastbourne
Southend-on-Sea
Kingston upon Thames
Southall
Aylesbury
Romford
Enfield
Borehamwood

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.

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.