Find flights
When to book
FAQs

Cheap flights from Ontario to London Stansted Airport from £187

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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — STN
20 May — 27 May1
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 20 April 2026.

Sun 10/519:15
YYZ
-
STN
1 stop9h 20m
Multiple Airlines
Fri 15/522:00
STN
-
YYZ
2 stops28h 45m
Multiple Airlines
Deal found 15/4£408
Mon 4/519:15
YYZ
-
STN
1 stop10h 25m
Multiple Airlines
Fri 8/522:50
STN
-
YYZ
2 stops23h 25m
Multiple Airlines
Deal found 15/4£408
Tue 12/519:15
YYZ
-
STN
1 stop13h 10m
Multiple Airlines
Tue 16/622:00
STN
-
YYZ
1 stop20h 20m
Multiple Airlines
Deal found 15/4£409
Sun 10/519:15
YYZ
-
STN
1 stop9h 20m
Multiple Airlines
Tue 19/522:00
STN
-
YYZ
1 stop20h 20m
Multiple Airlines
Deal found 16/4£410
Sat 23/521:35
YYZ
-
STN
2 stops16h 45m
Multiple Airlines
Tue 26/522:00
STN
-
YYZ
2 stops22h 00m
Multiple Airlines
Deal found 18/4£411
Wed 27/507:35
YYZ
-
STN
2 stops23h 00m
Multiple Airlines
Mon 1/620:20
STN
-
YYZ
2 stops22h 00m
Multiple Airlines
Deal found 18/4£411
Tue 12/519:15
YYZ
-
STN
1 stop13h 10m
Multiple Airlines
Wed 20/522:00
STN
-
YYZ
1 stop20h 20m
Multiple Airlines
Deal found 17/4£412
Tue 23/621:35
YYZ
-
STN
1 stop17h 00m
Multiple Airlines
Tue 14/706:30
STN
-
YYZ
1 stop11h 50m
Multiple Airlines
Deal found 20/4£414
Sun 24/521:55
YYZ
-
STN
1 stop31h 45m
Multiple Airlines
Sun 7/606:35
STN
-
YYZ
1 stop11h 45m
Multiple Airlines
Deal found 18/4£414
Fri 29/523:05
YYZ
-
STN
1 stop19h 15m
Multiple Airlines
Mon 1/608:30
STN
-
YYZ
1 stop12h 20m
Multiple Airlines
Deal found 15/4£415
Mon 1/618:15
YYZ
-
STN
2 stops13h 45m
Multiple Airlines
Mon 8/619:40
STN
-
YYZ
2 stops24h 15m
Multiple Airlines
Deal found 17/4£416
Fri 22/519:20
YUL
-
STN
2 stops21h 00m
Multiple Airlines
Wed 27/522:45
STN
-
YUL
2 stops30h 40m
Multiple Airlines
Deal found 17/4£425

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 20 April 2026.

Round-trip from

£408

One-way from

£187

Popular in

December

Cheapest in

February

Average price

£448
10/5-15/5
  • 10/5-15/5
  • 3 total stops
  • 38h 05m total
  • Ontario to London
Search Deals
9/6
  • 9/6
  • 2 total stops
  • 21h 05m total
  • Ontario to London
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£10 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 April 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 20 April 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

Wed 27/5

16:30-12:50

2 stops15h 20m

London Stansted

Mon 1/6

06:30-14:22

2 stops12h 52m

£445

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Sun 10/5

19:15-21:55

1 stop21h 40m

London Stansted

Sun 17/5

22:10-11:00

1 stop17h 50m

£450

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Wed 27/5

10:20-12:50

3 stops21h 30m

London Stansted

Fri 5/6

22:50-14:22

2 stops20h 32m

£453

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Sun 24/5

12:25-12:55

3 stops19h 30m

London Stansted

Sun 31/5

22:00-14:22

2 stops21h 22m

£470

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Sat 5/9

06:55-21:35

2 stops33h 40m

London Stansted

Wed 16/9

22:00-17:35

2 stops24h 35m

£510

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Wed 20/5

06:55-20:30

2 stops32h 35m

London Stansted

Sun 31/5

13:40-00:20

3 stops39h 40m

£513
Fastest return journey

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Sun 24/5

17:30-12:55

2 stops14h 25m

London Stansted

Mon 8/6

06:30-14:22

2 stops12h 52m

£529

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Fri 10/7

17:30-19:20

2 stops20h 50m

London Stansted

Tue 14/7

06:30-14:21

2 stops12h 51m

£535

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Sat 18/7

19:15-21:40

1 stop21h 25m

London Stansted

Sat 25/7

22:40-11:00

1 stop17h 20m

£544

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Fri 31/7

18:30-19:20

2 stops19h 50m

London Stansted

Sat 15/8

06:35-21:30

3 stops19h 55m

£553

Flights are sorted by cheapest return flights first.

Deals found on 16/4

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 17h 15m. Turkish Airlines provides one of the quickest options available for as low as £860. There are 3255 mi between Region of Ontario and London Stansted Airport. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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
Wembley
Croydon
Hounslow
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Chelmsford
Ipswich
Southend-on-Sea
Guildford
Bishop's Stortford

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.