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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 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — STN
22 Mar — 29 Mar1
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 February 2026.

Tue 5/515:10
YUL
-
STN
2 stops26h 10m
Multiple Airlines
Sun 10/506:35
STN
-
YUL
2 stops23h 02m
Multiple Airlines
Deal found 16/2£364
Tue 26/517:10
YUL
-
STN
2 stops25h 10m
Multiple Airlines
Mon 8/608:30
STN
-
YUL
2 stops16h 02m
Multiple Airlines
Deal found 16/2£375
Tue 26/511:00
YUL
-
STN
2 stops31h 20m
Multiple Airlines
Wed 3/606:30
STN
-
YUL
2 stops18h 02m
Multiple Airlines
Deal found 17/2£376
Sun 26/406:45
YUL
-
STN
2 stops34h 35m
Multiple Airlines
Thu 30/406:30
STN
-
YUL
3 stops22h 55m
Multiple Airlines
Deal found 17/2£381
Wed 29/407:35
YYZ
-
STN
2 stops32h 45m
Multiple Airlines
Wed 13/506:30
STN
-
YYZ
2 stops15h 45m
Multiple Airlines
Deal found 17/2£381
Thu 9/407:10
YYZ
-
STN
3 stops36h 20m
Multiple Airlines
Mon 13/422:45
STN
-
YYZ
1 stop20h 30m
Multiple Airlines
Deal found 17/2£382
Tue 7/420:45
YYZ
-
STN
2 stops19h 35m
Multiple Airlines
Tue 14/406:30
STN
-
YYZ
2 stops17h 40m
Multiple Airlines
Deal found 16/2£383
Wed 6/521:35
YYZ
-
STN
1 stop18h 45m
Multiple Airlines
Mon 11/506:30
STN
-
YYZ
1 stop14h 20m
Multiple Airlines
Deal found 17/2£384
Mon 6/422:00
YYZ
-
STN
1 stop20h 20m
Multiple Airlines
Mon 13/422:45
STN
-
YYZ
1 stop20h 30m
Multiple Airlines
Deal found 19/2£384
Fri 6/321:55
YYZ
-
STN
1 stop13h 40m
Multiple Airlines
Wed 11/321:45
STN
-
YYZ
1 stop20h 30m
Multiple Airlines
Deal found 19/2£385
Mon 1/620:45
YYZ
-
STN
2 stops21h 35m
Multiple Airlines
Sat 6/611:10
STN
-
YYZ
2 stops13h 00m
Multiple Airlines
Deal found 17/2£386
Tue 28/420:45
YYZ
-
STN
1 stop17h 50m
Multiple Airlines
Tue 5/522:00
STN
-
YYZ
1 stop18h 25m
Multiple Airlines
Deal found 16/2£387

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 February 2026.

Round-trip from

£364

One-way from

£209

Popular in

December

Cheapest in

May

Average price

£402
5/5-10/5
  • 5/5-10/5
  • 4 total stops
  • 49h 12m total
  • Ontario to London
Search Deals
18/3
  • 18/3
  • 2 total stops
  • 38h 05m 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 February 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 February 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

MontrealLondon

YUL - STN

YULSTN

Montreal Pierre Elliott Trudeau Intl

Wed 25/3

06:45-17:50

2 stops31h 05m

London Stansted

Wed 29/4

22:45-00:25

3 stops30h 40m

£398

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Mon 18/5

05:55-15:15

3 stops28h 20m

London Stansted

Mon 25/5

22:45-17:35

2 stops23h 50m

£410

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Wed 6/5

05:55-21:20

3 stops34h 25m

London Stansted

Sat 16/5

06:35-00:20

3 stops22h 45m

£413

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Mon 8/6

23:05-14:40

1 stop10h 35m

London Stansted

Tue 30/6

08:30-14:55

1 stop11h 25m

£424

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Sat 2/5

18:25-22:00

2 stops22h 35m

London Stansted

Sat 9/5

22:00-17:35

2 stops24h 35m

£430

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Wed 8/4

05:40-17:35

2 stops30h 55m

London Stansted

Mon 27/4

22:45-00:20

2 stops30h 35m

£433

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Fri 5/6

18:30-19:20

2 stops19h 50m

London Stansted

Fri 12/6

22:00-15:52

2 stops22h 52m

£441

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Wed 6/5

05:55-21:20

3 stops34h 25m

London Stansted

Sat 23/5

06:35-00:20

3 stops22h 45m

£442

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Mon 1/6

05:55-20:55

2 stops34h 00m

London Stansted

Fri 5/6

22:50-00:20

3 stops30h 30m

£450

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Sun 31/5

18:25-22:20

2 stops22h 55m

London Stansted

Fri 5/6

22:50-00:20

3 stops30h 30m

£450

Flights are sorted by cheapest return flights first.

Deals found on 17/2

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 19h 55m. Turkish Airlines provides one of the quickest options available for as low as £798. 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
Luton
Croydon
Wembley
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Watford
Guildford
Kingston upon Thames
Eastbourne
Ipswich
Chelmsford
Bedford
Crawley
Romford

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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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