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 25m. Turkish Airlines provides one of the quickest options available for as low as £786. 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.

£192+ 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 19 September 2026.

Tue 17/1117:20 -

1 stop12h 00m

Tue 24/1107:15 -

1 stop13h 35m

Deal found 19/9£418

Wed 4/1117:20 -

1 stop11h 30m

Mon 9/1108:20 -

1 stop12h 30m

Deal found 18/9£419

Mon 12/1017:35 -

1 stop14h 15m

Wed 21/1006:30 -

1 stop14h 20m

Deal found 17/9£420

Sun 11/1023:55 -

1 stop17h 25m

Sun 18/1006:35 -

1 stop14h 15m

Deal found 15/9£420

Thu 1/1017:35 -

1 stop9h 15m

Wed 14/1006:30 -

1 stop14h 20m

Deal found 17/9£421

Fri 6/1122:45 -

2 stops21h 10m

Thu 12/1117:05 -

2 stops33h 10m

Deal found 18/9£422

Sun 15/1117:20 -

1 stop11h 20m

Wed 25/1107:15 -

1 stop13h 35m

Deal found 16/9£423

Sat 10/1017:35 -

1 stop9h 15m

Tue 20/1008:30 -

1 stop12h 20m

Deal found 16/9£423

Wed 14/1019:55 -

2 stops17h 35m

Wed 21/1007:25 -

2 stops15h 30m

Deal found 16/9£424

Wed 14/1017:35 -

1 stop9h 15m

Tue 20/1008:30 -

1 stop12h 20m

Deal found 17/9£425

Tue 22/917:35 -

1 stop9h 15m

Fri 2/1006:35 -

1 stop14h 15m

Deal found 15/9£426

Wed 11/1118:45 -

1 stop18h 15m

Thu 19/1118:25 -

1 stop22h 45m

Deal found 18/9£426

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 19 September 2026.

Wed 11/1117:50 -

2 stops19h 50m

Thu 19/1106:15 -

2 stops16h 50m

Deal found 18/9£436

Thu 29/1020:55 -

1 stop15h 25m

Thu 5/1117:20 -

1 stop29h 40m

Deal found 15/9£786

Tue 1/1215:10 -

1 stop17h 20m

Fri 11/1216:35 -

1 stop25h 35m

Deal found 18/9£875

Wed 2/1209:45 -

2 stops27h 15m

Sun 13/1206:20 -

3 stops16h 59m

Deal found 17/9£456

Mon 16/1114:45 -

2 stops21h 20m

Mon 23/1119:50 -

2 stops30h 30m

Deal found 16/9£458

Mon 12/1019:15 -

1 stop21h 10m

Mon 19/1022:25 -

1 stop17h 35m

Deal found 14/9£483

Tue 24/1114:45 -

2 stops18h 55m

Sat 28/1121:00 -

2 stops26h 05m

Deal found 16/9£503

Tue 6/1012:30 -

3 stops18h 10m

Tue 13/1020:30 -

3 stops24h 20m

Deal found 17/9£509

Wed 6/119:55 -

1 stop15h 25m

Tue 23/217:20 -

1 stop30h 45m

Deal found 14/9£786

Mon 7/1214:45 -

2 stops23h 35m

Mon 14/1219:50 -

2 stops27h 15m

Deal found 17/9£513

Thu 29/1020:55 -

1 stop15h 25m

Sat 7/1117:20 -

1 stop29h 40m

Deal found 15/9£786

Thu 8/1016:10 -

1 stop17h 20m

Sun 18/1016:00 -

1 stop27h 10m

Deal found 15/9£881

Thu 5/1119:55 -

1 stop15h 25m

Tue 10/1117:20 -

1 stop29h 40m

Deal found 15/9£787

Fri 6/1119:55 -

1 stop15h 25m

Thu 12/1117:20 -

1 stop29h 40m

Deal found 15/9£787

Sun 27/918:10 -

2 stops13h 45m

Sun 4/1006:35 -

2 stops14h 57m

Deal found 17/9£608

Wed 28/1020:55 -

1 stop33h 00m

Sat 7/1110:55 -

1 stop36h 05m

Deal found 15/9£808

Fri 23/1010:45 -

3 stops27h 50m

Sun 1/1118:30 -

3 stops26h 26m

Deal found 19/9£617

Mon 2/1109:15 -

3 stops32h 30m

Mon 9/1106:10 -

2 stops20h 47m

Deal found 18/9£618

Fri 26/219:55 -

1 stop15h 25m

Sun 7/310:55 -

1 stop36h 05m

Deal found 18/9£841

Sun 11/1016:30 -

2 stops14h 25m

Sun 18/1022:05 -

3 stops22h 45m

Deal found 15/9£644

Wed 13/120:15 -

1 stop32h 40m

Fri 26/217:20 -

1 stop30h 00m

Deal found 18/9£864

Sun 13/1217:30 -

2 stops14h 20m

Thu 31/1207:15 -

2 stops17h 41m

Deal found 19/9£653

Fri 5/219:55 -

1 stop33h 00m

Wed 10/210:55 -

1 stop37h 10m

Deal found 17/9£880

Thu 8/1012:30 -

3 stops19h 05m

Sun 18/1019:00 -

3 stops31h 41m

Deal found 16/9£690

Fri 27/1120:15 -

1 stop32h 40m

Sat 5/1217:20 -

1 stop30h 00m

Deal found 14/9£946

Mon 5/1019:55 -

2 stops14h 35m

Thu 8/1006:00 -

2 stops19h 11m

Deal found 19/9£727

Tue 24/1120:15 -

1 stop32h 40m

Sun 29/1110:55 -

1 stop36h 25m

Deal found 16/9£975

Thu 15/1020:55 -

2 stops12h 40m

Sat 24/1007:20 -

2 stops19h 50m

Deal found 16/9£764

Wed 7/1022:00 -

1 stop30h 55m

Tue 13/1017:35 -

1 stop31h 10m

Deal found 17/9£1,101

Sun 11/1020:55 -

2 stops14h 55m

Sat 24/1007:25 -

3 stops20h 10m

Deal found 18/9£790

Find flight deals from Ontario to Stansted

Round-trip from	£419
One-way from	£192
Popular in	December
Cheapest in	February
Average price	£484

4/11-9/11
2 total stops
24h 00m total
Ontario to London

Search Deals

10/10-31/12
2 total stops
32h 25m total
Ontario to London

Search Deals

Highest demand for flights based on searches. 1% potential increase in price (£5 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% 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

Fri 16/10

20:15-07:50

2 stops54h 35m

London Stansted

Wed 31/12

00:00-18:00

Nonstop0h 00m

£208

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - STN London Stansted

YULSTN

Montreal Pierre Elliott Trudeau Intl

Wed 14/10

06:45-22:50

2 stops35h 05m

London Stansted

Wed 31/12

00:00-18:00

Nonstop0h 00m

£210

Thunder BayLondon

YQT Thunder Bay - STN London Stansted

YQTSTN

Thunder Bay

Tue 13/10

06:30-17:35

2 stops30h 05m

London Stansted

Wed 31/12

00:00-18:00

Nonstop0h 00m

£212

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - STN London Stansted

YULSTN

Montreal Pierre Elliott Trudeau Intl

Thu 15/10

15:10-22:25

2 stops26h 15m

London Stansted

Wed 31/12

00:00-18:00

Nonstop0h 00m

£213

OttawaLondon

YOW Ottawa - STN London Stansted

YOWSTN

Ottawa

Sat 24/10

14:00-08:50

2 stops37h 50m

London Stansted

Wed 31/12

00:00-18:00

Nonstop0h 00m

£217

LondonLondon

YXU London - STN London Stansted

YXUSTN

London

Sat 17/10

06:10-07:50

2 stops44h 40m

London Stansted

Wed 31/12

00:00-18:00

Nonstop0h 00m

£227

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - STN London Stansted

YULSTN

Montreal Pierre Elliott Trudeau Intl

Mon 12/10

23:40-18:30

1 stop13h 50m

London Stansted

Wed 31/12

00:00-18:00

Nonstop0h 00m

£229

OttawaLondon

YOW Ottawa - STN London Stansted

YOWSTN

Ottawa

Sat 3/10

20:55-07:50

2 stops29h 55m

London Stansted

Wed 31/12

00:00-18:00

Nonstop0h 00m

£230

TorontoLondon

YYZ Toronto Pearson Intl - STN London Stansted

YYZSTN

Toronto Pearson Intl

Sun 22/11

20:15-15:55

1 stop14h 40m

London Stansted

Wed 31/12

00:00-18:00

Nonstop0h 00m

£231

TorontoLondon

YTZ Toronto Island - STN London Stansted

YTZSTN

Toronto Island

Mon 5/10

16:55-23:45

3 stops25h 50m

London Stansted

Wed 31/12

00:00-18:00

Nonstop0h 00m

£232

Flights are sorted by cheapest return flights first.

Deals found on 19/9

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.

YYZ-STN

YTZ-STN

YUL-STN

YOW-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

YYZ-STN

YTZ-STN

YUL-STN

YOW-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 15h 25m. Turkish Airlines provides one of the quickest options available for as low as £786. 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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Yes! Cheapflights helps users easily find flights from Ontario to Stansted with no change fees.

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Cheap flights from Ontario to London Stansted Airport from £192

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/10. 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 19 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 19 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 19 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 19 September 2026.

Last-minute flights from Ontario to StanstedDiscover last-minute flight deals from Ontario to Stansted. Data last updated 19 September 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Stansted. Data last updated 19 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 19 September 2026.

Search for one-way flight options from Ontario to Stansted. Find affordable one-way fares based on user searches. Data last updated 19 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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Cheapflights Insights

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

See prices for flight routes from nearby airports that may be better suited for you.

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

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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 19 September 2026.

Popular flight searches

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Other flights to Stansted

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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 19 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 19 September 2026.

Last-minute flights from Ontario to Stansted
Discover last-minute flight deals from Ontario to Stansted. Data last updated 19 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 19 September 2026.