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

Departing from Region of Ontario to London Stansted Airport will take you 32h 05m. Airlines will cover a distance of 5238 km.

In terms of precipitation, rainfall in London Stansted Airport ranges from 40.0 - 70.0 mm 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 Toronto Island - 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 vacation 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.

C$ 389+ 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 21 September 2026.

Tue 17/115:20 p.m. -

1 stop12h 00m

Tue 24/117:15 a.m. -

1 stop13h 35m

Deal found 19/9C$ 782

Wed 4/115:20 p.m. -

1 stop11h 30m

Mon 9/118:20 a.m. -

1 stop12h 30m

Deal found 18/9C$ 783

Mon 12/105:35 p.m. -

1 stop14h 15m

Wed 21/106:30 a.m. -

1 stop14h 20m

Deal found 17/9C$ 784

Wed 14/107:55 p.m. -

2 stops17h 35m

Wed 21/107:25 a.m. -

2 stops15h 30m

Deal found 16/9C$ 786

Mon 12/108:50 p.m. -

1 stop15h 15m

Tue 20/106:30 a.m. -

1 stop10h 25m

Deal found 17/9C$ 787

Fri 6/1110:45 p.m. -

2 stops21h 10m

Thu 12/115:05 p.m. -

2 stops33h 10m

Deal found 18/9C$ 789

Sun 15/115:20 p.m. -

1 stop11h 20m

Wed 25/117:15 a.m. -

1 stop13h 35m

Deal found 16/9C$ 790

Sat 10/105:35 p.m. -

1 stop9h 15m

Tue 20/108:30 a.m. -

1 stop12h 20m

Deal found 16/9C$ 791

Mon 28/911:55 p.m. -

1 stop9h 45m

Wed 7/106:30 a.m. -

1 stop14h 20m

Deal found 18/9C$ 796

Wed 11/116:45 p.m. -

1 stop18h 15m

Thu 19/116:25 p.m. -

1 stop22h 45m

Deal found 18/9C$ 797

Sun 29/112:45 p.m. -

2 stops23h 40m

Sun 6/128:25 p.m. -

2 stops29h 55m

Deal found 20/9C$ 805

Wed 11/115:50 p.m. -

2 stops19h 50m

Thu 19/116:15 a.m. -

2 stops16h 50m

Deal found 18/9C$ 815

Best flights from Ontario to Stansted
Discover carefully curated flight deals from Ontario to Stansted that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 21 September 2026.

Sun 29/112:45 p.m. -

2 stops23h 40m

Sun 6/128:25 p.m. -

2 stops29h 55m

Deal found 20/9C$ 805

Thu 12/118:50 p.m. -

1 stop32h 05m

Tue 17/115:20 p.m. -

1 stop29h 40m

Deal found 16/9C$ 1,430

Wed 11/115:50 p.m. -

2 stops19h 50m

Thu 19/116:15 a.m. -

2 stops16h 50m

Deal found 18/9C$ 815

Thu 15/104:10 p.m. -

1 stop17h 20m

Mon 26/101:30 p.m. -

1 stop28h 40m

Deal found 16/9C$ 1,644

Wed 2/129:45 a.m. -

2 stops27h 15m

Sun 13/126:20 a.m. -

3 stops16h 59m

Deal found 17/9C$ 853

Mon 16/112:45 p.m. -

2 stops21h 20m

Mon 23/117:50 p.m. -

2 stops30h 30m

Deal found 16/9C$ 857

Tue 24/112:45 p.m. -

2 stops18h 55m

Sat 28/119:00 p.m. -

2 stops26h 05m

Deal found 16/9C$ 940

Thu 12/1110:50 a.m. -

3 stops27h 15m

Wed 18/118:55 p.m. -

2 stops22h 12m

Deal found 16/9C$ 949

Tue 16/39:50 p.m. -

1 stop32h 05m

Tue 6/45:45 p.m. -

1 stop29h 15m

Deal found 20/9C$ 1,472

Tue 6/1012:30 p.m. -

3 stops18h 10m

Tue 13/108:30 p.m. -

3 stops24h 20m

Deal found 17/9C$ 951

Tue 3/113:10 p.m. -

1 stop17h 20m

Fri 13/114:35 p.m. -

1 stop25h 35m

Deal found 20/9C$ 1,658

Mon 7/122:45 p.m. -

2 stops23h 35m

Mon 14/127:50 p.m. -

2 stops27h 15m

Deal found 17/9C$ 959

Fri 8/17:55 p.m. -

1 stop15h 25m

Tue 19/15:20 p.m. -

1 stop30h 45m

Deal found 16/9C$ 1,562

Fri 26/27:55 p.m. -

1 stop15h 25m

Sun 7/310:55 a.m. -

1 stop36h 05m

Deal found 18/9C$ 1,573

Fri 13/115:40 p.m. -

2 stops25h 15m

Sun 22/116:20 a.m. -

2 stops14h 37m

Deal found 20/9C$ 1,036

Sat 28/1110:55 p.m. -

1 stop30h 00m

Tue 8/125:20 p.m. -

1 stop30h 00m

Deal found 20/9C$ 1,574

Fri 5/27:55 p.m. -

1 stop33h 00m

Wed 10/210:55 a.m. -

1 stop37h 10m

Deal found 17/9C$ 1,646

Fri 23/1010:45 a.m. -

3 stops27h 50m

Sun 1/116:30 p.m. -

3 stops26h 26m

Deal found 19/9C$ 1,154

Fri 6/118:15 p.m. -

1 stop32h 40m

Thu 12/1110:55 a.m. -

1 stop36h 25m

Deal found 19/9C$ 1,686

Mon 2/119:15 a.m. -

3 stops32h 30m

Mon 9/116:10 a.m. -

3 stops20h 47m

Deal found 18/9C$ 1,161

Sun 13/125:30 p.m. -

2 stops14h 20m

Thu 31/127:15 a.m. -

2 stops17h 41m

Deal found 19/9C$ 1,221

Thu 8/1012:30 p.m. -

3 stops19h 05m

Sun 18/107:00 p.m. -

3 stops31h 41m

Deal found 16/9C$ 1,291

Thu 14/18:15 p.m. -

1 stop32h 40m

Thu 25/25:20 p.m. -

1 stop30h 00m

Deal found 18/9C$ 2,183

Thu 15/108:55 p.m. -

2 stops12h 40m

Thu 22/106:30 a.m. -

2 stops13h 40m

Deal found 17/9C$ 1,354

Tue 6/1010:00 p.m. -

1 stop37h 40m

Tue 13/105:35 p.m. -

1 stop31h 10m

Deal found 16/9C$ 2,185

Mon 5/107:55 p.m. -

2 stops14h 35m

Thu 8/106:00 a.m. -

2 stops19h 11m

Deal found 19/9C$ 1,359

Tue 20/1010:00 p.m. -

1 stop37h 40m

Thu 29/1010:55 a.m. -

1 stop36h 25m

Deal found 16/9C$ 2,211

Fri 11/128:15 p.m. -

1 stop32h 40m

Mon 14/1210:55 a.m. -

1 stop36h 25m

Deal found 16/9C$ 2,311

Wed 4/113:25 p.m. -

3 stops25h 00m

Wed 11/118:05 a.m. -

3 stops18h 52m

Deal found 20/9C$ 1,548

Sat 19/127:35 p.m. -

1 stop15h 20m

Sun 3/17:35 p.m. -

2 stops29h 10m

Deal found 20/9C$ 1,559

Find flight deals from Ontario to Stansted

Round-trip from	C$ 782
One-way from	C$ 389
Popular in	December
Cheapest in	February
Average price	C$ 905

17/11-24/11
2 total stops
25h 35m total
Ontario to London

Search Deals

16/10-31/12
2 total stops
54h 35m total
Ontario to London

Search Deals

Highest demand for flights based on searches. 1% potential increase in price (C$ 20 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 38 potential savings vs. average RT 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 round-trip

OttawaLondon

YOW Ottawa - STN London Stansted

YOWSTN

Ottawa

Fri 16/10

8:15 p.m.-7:50 a.m.

2 stops54h 35m

London Stansted

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 389

TorontoLondon

YYZ Toronto Pearson Intl - STN London Stansted

YYZSTN

Toronto Pearson Intl

Mon 28/9

11:55 p.m.-8:40 p.m.

2 stops15h 45m

London Stansted

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 403

TorontoLondon

YTZ Toronto Island - STN London Stansted

YTZSTN

Toronto Island

Mon 12/10

4:55 p.m.-7:40 a.m.

2 stops33h 45m

London Stansted

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 405

OttawaLondon

YOW Ottawa - STN London Stansted

YOWSTN

Ottawa

Sat 24/10

2:00 p.m.-8:50 a.m.

2 stops37h 50m

London Stansted

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 405

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - STN London Stansted

YULSTN

Montreal Pierre Elliott Trudeau Intl

Fri 16/10

11:45 p.m.-5:45 p.m.

1 stop13h 00m

London Stansted

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 418

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - STN London Stansted

YULSTN

Montreal Pierre Elliott Trudeau Intl

Tue 6/10

11:45 p.m.-5:55 p.m.

1 stop13h 10m

London Stansted

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 418

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - STN London Stansted

YULSTN

Montreal Pierre Elliott Trudeau Intl

Wed 14/10

11:45 p.m.-5:10 p.m.

1 stop12h 25m

London Stansted

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 421

Quickest round-trip

TorontoLondon

YYZ Toronto Pearson Intl - STN London Stansted

YYZSTN

Toronto Pearson Intl

Mon 19/10

7:15 p.m.-10:30 a.m.

1 stop10h 15m

London Stansted

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 422

LondonLondon

YXU London - STN London Stansted

YXUSTN

London

Sat 17/10

6:10 a.m.-7:50 a.m.

2 stops44h 40m

London Stansted

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 425

OttawaLondon

YOW Ottawa - STN London Stansted

YOWSTN

Ottawa

Sat 3/10

8:55 p.m.-7:50 a.m.

2 stops29h 55m

London Stansted

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 431

Flights are sorted by cheapest round-trip 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

YUL-STN

YTZ-STN

YOW-STN

YXU-STN

Estimated round-trip 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

YUL-STN

YTZ-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?
Departing from Region of Ontario to London Stansted Airport will take you 32h 05m. Airlines will cover a distance of 5238 km.
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 Toronto Island - 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 vacation 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

Gatwick

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Ilford

Bromley

Sutton

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Slough

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How does Cheapflights help users find flights from Ontario to Stansted?

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By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Stansted from Ontario.

Can Cheapflights find flights from Ontario to Stansted with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario to Stansted, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights offers price alerts on Ontario to Stansted flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Ontario to London Stansted Airport from C$ 389

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/10. 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 21 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 21 September 2026.

Best flights from Ontario to StanstedDiscover carefully curated flight deals from Ontario to Stansted that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 21 September 2026.

Discover carefully curated flight deals from Ontario to Stansted that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 21 September 2026.

Last-minute flights from Ontario to StanstedDiscover last-minute flight deals from Ontario to Stansted. Data last updated 21 September 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Stansted. Data last updated 21 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 21 September 2026.

Search for one-way flight options from Ontario to Stansted. Find affordable one-way fares based on user searches. Data last updated 21 September 2026.

Find flight deals from Ontario to Stansted

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Popular in

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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

Have a flexible travel schedule? Discover the best time to fly to Stansted from Ontario with our price prediction graph.

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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 rental and/or hotel reservation 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

Find flights from Ontario to Stansted, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Ontario and Stansted flights

Browse other Ontario and Stansted flight options. Last updated on 21 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Other flights to Stansted

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Ontario to Stansted flights

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How does Cheapflights help users find flights from Ontario to Stansted?

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Can Cheapflights find flights from Ontario to Stansted with no change fees?

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 21 September 2026.

Best flights from Ontario to Stansted
Discover carefully curated flight deals from Ontario to Stansted that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 21 September 2026.

Last-minute flights from Ontario to Stansted
Discover last-minute flight deals from Ontario to Stansted. Data last updated 21 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 21 September 2026.