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Cheap flights from Ontario to London Stansted Airport from £209

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 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — STN
5 Apr — 12 Apr1
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 6 March 2026.

Tue 5/517:10
YUL
-
STN
2 stops24h 10m
Multiple Airlines
Wed 13/508:30
STN
-
YUL
2 stops21h 07m
Multiple Airlines
Deal found 2/3£377
Wed 6/507:35
YYZ
-
STN
2 stops32h 45m
Multiple Airlines
Wed 27/522:45
STN
-
YYZ
2 stops28h 00m
Multiple Airlines
Deal found 3/3£387
Tue 5/518:15
YYZ
-
STN
2 stops13h 30m
Multiple Airlines
Mon 11/506:30
STN
-
YYZ
1 stop11h 50m
Multiple Airlines
Deal found 1/3£387
Mon 13/422:00
YYZ
-
STN
1 stop14h 05m
Multiple Airlines
Wed 29/422:00
STN
-
YYZ
1 stop20h 20m
Multiple Airlines
Deal found 4/3£388
Mon 30/323:00
YUL
-
STN
2 stops19h 55m
Multiple Airlines
Mon 13/408:30
STN
-
YUL
2 stops21h 08m
Multiple Airlines
Deal found 1/3£389
Fri 5/622:05
YYZ
-
STN
1 stop20h 00m
Multiple Airlines
Fri 12/606:35
STN
-
YYZ
1 stop11h 45m
Multiple Airlines
Deal found 4/3£389
Fri 3/422:00
YYZ
-
STN
1 stop20h 20m
Multiple Airlines
Mon 27/406:30
STN
-
YYZ
1 stop11h 50m
Multiple Airlines
Deal found 3/3£390
Sun 19/420:45
YYZ
-
STN
2 stops21h 40m
Multiple Airlines
Thu 23/406:30
STN
-
YYZ
2 stops17h 40m
Multiple Airlines
Deal found 3/3£390
Sun 12/422:00
YYZ
-
STN
1 stop16h 30m
Multiple Airlines
Mon 27/406:30
STN
-
YYZ
1 stop11h 50m
Multiple Airlines
Deal found 3/3£391
Mon 8/622:15
YYZ
-
STN
1 stop12h 00m
Multiple Airlines
Tue 16/622:00
STN
-
YYZ
1 stop20h 20m
Multiple Airlines
Deal found 1/3£392
Mon 20/423:10
YYZ
-
STN
2 stops19h 10m
Multiple Airlines
Wed 29/406:30
STN
-
YYZ
2 stops17h 40m
Multiple Airlines
Deal found 3/3£393
Mon 1/623:05
YYZ
-
STN
1 stop13h 00m
Multiple Airlines
Tue 16/622:00
STN
-
YYZ
1 stop20h 20m
Multiple Airlines
Deal found 1/3£393

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 6 March 2026.

Round-trip from

£377

One-way from

£209

Popular in

December

Cheapest in

May

Average price

£435
5/5-13/5
  • 5/5-13/5
  • 4 total stops
  • 45h 17m total
  • Ontario to London
Search Deals
15/6
  • 15/6
  • 2 total stops
  • 20h 00m total
  • Ontario to London
Search Deals
Highest demand for flights based on searches. 5% 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 March 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 6 March 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

LondonLondon

YXU - STN

YXUSTN

London

Wed 15/4

09:25-11:35

2 stops21h 10m

London Stansted

Wed 22/4

06:30-17:04

2 stops15h 34m

£498

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Sat 9/5

18:25-14:30

2 stops15h 05m

London Stansted

Sat 6/6

08:30-17:35

2 stops14h 05m

£569

LondonLondon

YXU - STN

YXUSTN

London

Fri 17/4

09:25-17:35

2 stops27h 10m

London Stansted

Fri 24/4

06:35-21:19

2 stops19h 44m

£573

WindsorLondon

YQG - STN

YQGSTN

Windsor

Wed 15/4

09:45-12:10

2 stops21h 25m

London Stansted

Wed 22/4

07:45-19:09

2 stops16h 24m

£573

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Fri 3/4

16:45-00:50

3 stops27h 05m

London Stansted

Fri 10/4

22:50-00:39

2 stops30h 49m

£621
Fastest return journey

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Fri 14/8

18:25-14:15

2 stops14h 50m

London Stansted

Sat 29/8

08:30-17:35

2 stops14h 05m

£698

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Sat 20/6

06:55-23:20

2 stops35h 25m

London Stansted

Sat 27/6

22:00-00:20

2 stops31h 20m

£726

MontrealLondon

YUL - STN

YULSTN

Montreal Pierre Elliott Trudeau Intl

Sun 31/5

16:10-14:25

1 stop17h 15m

London Stansted

Mon 8/6

16:00-14:10

1 stop27h 10m

£838

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Thu 2/4

23:10-22:10

2 stops42h 00m

London Stansted

Sat 25/4

17:45-19:45

1 stop31h 00m

£862

Thunder BayLondon

YQT - STN

YQTSTN

Thunder Bay

Sun 5/7

11:00-22:20

3 stops30h 20m

London Stansted

Sat 18/7

06:35-08:55

3 stops31h 20m

£895

Flights are sorted by cheapest return flights first.

Deals found on 1/3

Showing 1-10 of 60 resultsSorted by cheapest first
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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 17h 15m. Air Algerie provides one of the quickest options available for as low as £838. 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
Croydon
Wembley
Luton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Eastbourne
Chelmsford
Ipswich
Bedford
Romford
Southend-on-Sea

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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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