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 33h. Turkish Airlines provides one of the quickest options available for as low as £760. There are 3255 mi between Region of Ontario and London Stansted Airport.

In terms of precipitation, rainfall in London Stansted Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Stansted Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Stansted Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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.

What is the cheapest time of day to fly from ON to STN?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to London Stansted Airport as you normally would.

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.

£204+ Cheap Flights from Ontario to London Stansted Airport

Cheap flight deals from Ontario to Stansted

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 12 September 2026.

Thu 15/1017:35 -

1 stop9h 15m

Tue 20/1006:30 -

1 stop14h 20m

Deal found 11/9£415

Sat 7/1117:20 -

1 stop11h 15m

Sat 14/1106:35 -

1 stop14h 15m

Deal found 10/9£416

Thu 1/1017:35 -

1 stop9h 15m

Wed 14/1006:30 -

1 stop14h 20m

Deal found 10/9£416

Thu 15/1017:35 -

1 stop9h 15m

Wed 21/1008:30 -

1 stop12h 20m

Deal found 9/9£417

Sun 18/1017:35 -

1 stop9h 15m

Mon 2/1108:15 -

1 stop12h 35m

Deal found 9/9£418

Sat 10/1017:35 -

1 stop9h 15m

Thu 22/1006:30 -

1 stop14h 20m

Deal found 10/9£419

Sun 4/1017:35 -

1 stop9h 15m

Tue 3/1107:15 -

1 stop13h 35m

Deal found 10/9£419

Wed 4/1112:30 -

2 stops24h 30m

Wed 11/1120:55 -

3 stops29h 40m

Deal found 7/9£421

Thu 1/1017:35 -

1 stop9h 15m

Thu 8/1006:30 -

1 stop14h 20m

Deal found 9/9£421

Wed 4/1117:20 -

1 stop11h 30m

Sun 15/1108:30 -

1 stop12h 20m

Deal found 9/9£422

Sun 11/1017:35 -

1 stop9h 15m

Tue 20/1008:30 -

1 stop12h 20m

Deal found 9/9£422

Thu 1/1017:35 -

1 stop9h 15m

Thu 15/1008:30 -

1 stop12h 20m

Deal found 10/9£423

Best flights from Ontario to Stansted
Discover carefully curated flight deals from Ontario to Stansted that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 September 2026.

Wed 11/1114:45 -

2 stops22h 15m

Mon 23/1119:50 -

2 stops30h 30m

Deal found 10/9£421

Wed 27/119:55 -

1 stop33h 00m

Wed 17/210:55 -

1 stop36h 05m

Deal found 10/9£760

Fri 4/1214:45 -

2 stops24h 15m

Mon 7/1219:50 -

2 stops30h 30m

Deal found 8/9£434

Thu 8/1016:10 -

1 stop17h 20m

Mon 19/1016:00 -

1 stop27h 10m

Deal found 7/9£902

Mon 26/1017:50 -

2 stops14h 20m

Mon 2/1119:50 -

2 stops27h 15m

Deal found 11/9£436

Fri 20/1117:50 -

2 stops21h 10m

Sat 28/1121:45 -

2 stops28h 35m

Deal found 10/9£438

Mon 9/1114:45 -

2 stops23h 35m

Sun 15/1120:25 -

2 stops29h 55m

Deal found 8/9£462

Sat 5/1218:30 -

2 stops13h 15m

Sat 12/1220:25 -

3 stops26h 54m

Deal found 7/9£462

Fri 27/1110:20 -

3 stops32h 35m

Sat 5/1220:25 -

2 stops26h 26m

Deal found 9/9£466

Wed 11/1119:55 -

1 stop15h 25m

Sun 7/210:55 -

1 stop36h 05m

Deal found 8/9£815

Wed 23/912:30 -

2 stops18h 05m

Mon 28/922:45 -

2 stops20h 35m

Deal found 8/9£480

Wed 7/1020:05 -

1 stop32h 50m

Mon 19/1010:50 -

1 stop36h 20m

Deal found 11/9£832

Sat 21/1114:45 -

2 stops16h 10m

Sat 28/1119:45 -

2 stops30h 35m

Deal found 8/9£481

Thu 8/1016:10 -

1 stop17h 20m

Sun 18/1016:00 -

1 stop27h 10m

Deal found 11/9£997

Tue 6/1020:05 -

1 stop15h 45m

Mon 19/1010:50 -

1 stop36h 20m

Deal found 11/9£832

Sun 11/1014:35 -

2 stops15h 45m

Mon 19/1020:45 -

3 stops23h 25m

Deal found 10/9£489

Wed 14/1020:05 -

1 stop15h 35m

Tue 20/1017:35 -

1 stop29h 35m

Deal found 8/9£835

Fri 26/219:55 -

1 stop15h 25m

Sun 7/310:55 -

1 stop36h 05m

Deal found 8/9£839

Fri 25/918:30 -

2 stops13h 20m

Tue 29/906:30 -

2 stops12h 50m

Deal found 7/9£526

Tue 17/1120:15 -

1 stop32h 40m

Sat 21/1117:20 -

1 stop30h 00m

Deal found 11/9£860

Tue 6/1014:50 -

2 stops20h 10m

Tue 13/1018:55 -

3 stops24h 03m

Deal found 6/9£544

Tue 10/1120:15 -

1 stop32h 40m

Sun 15/1110:55 -

1 stop36h 25m

Deal found 10/9£872

Fri 9/1019:15 -

1 stop11h 55m

Wed 14/1008:55 -

1 stop31h 05m

Deal found 10/9£560

Fri 23/1007:00 -

2 stops32h 10m

Sun 1/1120:25 -

2 stops26h 40m

Deal found 9/9£573

Wed 23/920:05 -

1 stop32h 50m

Tue 6/1017:35 -

1 stop29h 35m

Deal found 7/9£996

Thu 5/1120:15 -

1 stop32h 40m

Wed 11/1110:55 -

1 stop36h 25m

Deal found 11/9£1,033

Wed 20/118:25 -

1 stop14h 35m

Sun 24/111:35 -

1 stop13h 20m

Deal found 11/9£689

Sat 26/921:00 -

1 stop31h 55m

Mon 16/1110:55 -

1 stop36h 25m

Deal found 11/9£1,064

Wed 21/1014:00 -

2 stops17h 45m

Fri 23/1006:35 -

2 stops13h 35m

Deal found 11/9£712

Sat 26/921:00 -

1 stop31h 55m

Fri 20/1117:20 -

1 stop32h 40m

Deal found 11/9£1,064

Find flight deals from Ontario to Stansted

Round-trip from	£415
One-way from	£204
Popular in	December
Cheapest in	January
Average price	£473

15/10-20/10
2 total stops
23h 35m total
Ontario to London

Search Deals

1/10-31/12
2 total stops
23h 55m total
Ontario to London

Search Deals

Highest demand for flights based on searches. 0% potential increase in price (£2 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

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

OttawaLondon

YOW Ottawa - STN London Stansted

YOWSTN

Ottawa

Sun 4/10

18:25-23:25

2 stops24h 00m

London Stansted

Wed 31/12

00:00-18:00

Nonstop0h 00m

£211

TorontoLondon

YTZ Toronto Island - STN London Stansted

YTZSTN

Toronto Island

Thu 15/10

09:55-18:20

3 stops27h 25m

London Stansted

Wed 31/12

00:00-18:00

Nonstop0h 00m

£212

Fastest return journey

TorontoLondon

YYZ Toronto Pearson Intl - STN London Stansted

YYZSTN

Toronto Pearson Intl

Wed 30/9

19:15-09:25

1 stop9h 10m

London Stansted

Wed 31/12

00:00-18:00

Nonstop0h 00m

£215

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - STN London Stansted

YULSTN

Montreal Pierre Elliott Trudeau Intl

Sun 15/11

20:15-23:50

1 stop22h 35m

London Stansted

Wed 31/12

00:00-18:00

Nonstop0h 00m

£215

TorontoLondon

YYZ Toronto Pearson Intl - STN London Stansted

YYZSTN

Toronto Pearson Intl

Tue 29/9

23:55-00:10

2 stops19h 15m

London Stansted

Wed 31/12

00:00-18:00

Nonstop0h 00m

£218

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - STN London Stansted

YULSTN

Montreal Pierre Elliott Trudeau Intl

Sat 24/10

17:00-09:45

2 stops35h 45m

London Stansted

Wed 31/12

00:00-18:00

Nonstop0h 00m

£219

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - STN London Stansted

YULSTN

Montreal Pierre Elliott Trudeau Intl

Thu 8/10

06:45-23:20

2 stops35h 35m

London Stansted

Wed 31/12

00:00-18:00

Nonstop0h 00m

£220

TorontoLondon

YTZ Toronto Island - STN London Stansted

YTZSTN

Toronto Island

Thu 24/9

07:00-16:30

2 stops28h 30m

London Stansted

Wed 31/12

00:00-18:00

Nonstop0h 00m

£221

TorontoLondon

YTZ Toronto Island - STN London Stansted

YTZSTN

Toronto Island

Tue 20/10

16:55-23:20

3 stops25h 25m

London Stansted

Wed 31/12

00:00-18:00

Nonstop0h 00m

£223

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - STN London Stansted

YULSTN

Montreal Pierre Elliott Trudeau Intl

Mon 2/11

20:15-22:50

2 stops45h 35m

London Stansted

Wed 31/12

00:00-18:00

Nonstop0h 00m

£223

Flights are sorted by cheapest return flights first.

Deals found on 6/9

Showing 1-10 of 60 resultsSorted by cheapest first

...

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.

YOW-STN

YUL-STN

YYZ-STN

YTZ-STN

YXU-STN

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

CAON-STN

YOW-STN

YUL-STN

YYZ-STN

YTZ-STN

No data available for this route at this time. Please check back soon.

Related info for your journey

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 33h. Turkish Airlines provides one of the quickest options available for as low as £760. 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

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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.

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Cheap flights from Ontario to London Stansted Airport from £204

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ontario to Stansted

Cheapest flights from Ontario to StanstedExplore 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 12 September 2026.

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 12 September 2026.

Best flights from Ontario to StanstedDiscover carefully curated flight deals from Ontario to Stansted that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 September 2026.

Discover carefully curated flight deals from Ontario to Stansted that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 September 2026.

Last-minute flights from Ontario to StanstedDiscover last-minute flight deals from Ontario to Stansted. Data last updated 12 September 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Stansted. Data last updated 12 September 2026 and is based on user searches.

One-way flights from Ontario to StanstedSearch for one-way flight options from Ontario to Stansted. Find affordable one-way fares based on user searches. Data last updated 12 September 2026.

Search for one-way flight options from Ontario to Stansted. Find affordable one-way fares based on user searches. Data last updated 12 September 2026.

Find flight deals from Ontario to Stansted

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Use the filters below to find and compare flights from Ontario to London Stansted Airport that are best for you.

Best time to book a flight from Ontario to Stansted

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Related info for your journey

How long is the flight from Region of Ontario to London Stansted Airport?

What are the most popular routes from Region of Ontario to London Stansted Airport?

Can I find deals for flights from Ontario to Stansted that include hotel bookings?

How can I find direct flights from Ontario to Stansted?

Can I find deals for business class flights from Ontario to Stansted?

Travelling to a place near London Stansted Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to Stansted

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Complete your trip

Complete your trip to Stansted by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

Book a non-stop flight to one of these other cities located in England.

Search flights from Ontario to Stansted by cabin class

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Ontario and Stansted flights

Browse other Ontario and Stansted flight options. Last updated on 12 September 2026.

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Ontario to Stansted flights

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Can Cheapflights notify me if prices for flights from Ontario to Stansted become cheaper?

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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 12 September 2026.

Best flights from Ontario to Stansted
Discover carefully curated flight deals from Ontario to Stansted that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 September 2026.

Last-minute flights from Ontario to Stansted
Discover last-minute flight deals from Ontario to Stansted. Data last updated 12 September 2026 and is based on user searches.

One-way flights from Ontario to Stansted
Search for one-way flight options from Ontario to Stansted. Find affordable one-way fares based on user searches. Data last updated 12 September 2026.