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 50m. 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$ 364+ 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 20 August 2026.

Sat 14/116:30 p.m. -

1 stop12h 25m

Sat 21/119:00 p.m. -

1 stop20h 30m

Deal found 17/8C$ 745

Sat 7/116:30 p.m. -

1 stop12h 25m

Sat 14/117:45 p.m. -

1 stop21h 45m

Deal found 15/8C$ 748

Sun 11/1010:15 p.m. -

1 stop17h 45m

Sat 17/108:05 a.m. -

1 stop11h 05m

Deal found 17/8C$ 748

Thu 17/911:55 p.m. -

1 stop18h 25m

Thu 24/96:00 a.m. -

2 stops20h 45m

Deal found 17/8C$ 751

Tue 22/911:55 p.m. -

1 stop17h 25m

Thu 24/96:00 a.m. -

3 stops21h 00m

Deal found 18/8C$ 752

Sun 4/1011:55 p.m. -

1 stop17h 25m

Sun 11/108:30 a.m. -

1 stop12h 20m

Deal found 18/8C$ 753

Mon 21/911:55 p.m. -

1 stop14h 30m

Thu 24/96:00 a.m. -

3 stops21h 00m

Deal found 19/8C$ 755

Thu 24/911:55 p.m. -

1 stop17h 30m

Fri 9/106:35 a.m. -

1 stop14h 15m

Deal found 15/8C$ 756

Wed 30/910:45 p.m. -

2 stops17h 45m

Wed 7/103:30 p.m. -

2 stops34h 40m

Deal found 16/8C$ 759

Tue 13/1011:55 p.m. -

1 stop12h 40m

Tue 20/106:30 a.m. -

2 stops15h 40m

Deal found 16/8C$ 759

Tue 15/99:55 p.m. -

2 stops18h 40m

Thu 17/96:30 a.m. -

2 stops20h 15m

Deal found 18/8C$ 760

Mon 14/911:55 p.m. -

1 stop18h 25m

Mon 21/98:45 p.m. -

2 stops32h 40m

Deal found 15/8C$ 763

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 20 August 2026.

Fri 25/910:00 a.m. -

2 stops26h 25m

Fri 2/106:20 p.m. -

2 stops30h 51m

Deal found 18/8C$ 809

Fri 2/108:05 p.m. -

1 stop32h 50m

Mon 12/1010:50 a.m. -

1 stop36h 20m

Deal found 19/8C$ 1,518

Sat 14/114:30 p.m. -

2 stops15h 15m

Fri 20/116:55 a.m. -

2 stops18h 01m

Deal found 18/8C$ 810

Fri 25/910:45 a.m. -

2 stops25h 50m

Mon 28/910:45 p.m. -

2 stops20h 35m

Deal found 17/8C$ 824

Mon 21/96:30 p.m. -

2 stops19h 55m

Mon 28/910:45 p.m. -

2 stops24h 05m

Deal found 19/8C$ 825

Wed 16/911:45 a.m. -

2 stops22h 50m

Mon 28/911:00 a.m. -

2 stops17h 03m

Deal found 18/8C$ 2,068

Wed 16/96:30 p.m. -

2 stops20h 00m

Wed 23/910:45 p.m. -

3 stops24h 35m

Deal found 18/8C$ 828

Mon 14/96:30 p.m. -

2 stops13h 20m

Mon 21/96:30 a.m. -

2 stops14h 20m

Deal found 17/8C$ 832

Wed 9/94:30 p.m. -

2 stops14h 05m

Thu 24/96:30 a.m. -

2 stops14h 20m

Deal found 16/8C$ 848

Wed 23/98:05 p.m. -

1 stop15h 35m

Tue 6/105:35 p.m. -

1 stop29h 35m

Deal found 18/8C$ 1,519

Sun 22/118:10 p.m. -

1 stop14h 45m

Mon 30/114:30 p.m. -

1 stop25h 10m

Deal found 16/8C$ 863

Fri 11/98:05 p.m. -

1 stop32h 50m

Tue 13/105:35 p.m. -

1 stop29h 35m

Deal found 19/8C$ 1,519

Wed 16/96:30 p.m. -

2 stops20h 00m

Sun 27/910:00 p.m. -

2 stops22h 50m

Deal found 17/8C$ 884

Fri 9/108:05 p.m. -

1 stop32h 50m

Tue 13/105:35 p.m. -

1 stop29h 35m

Deal found 15/8C$ 1,521

Thu 19/118:10 p.m. -

1 stop10h 30m

Fri 4/1212:15 p.m. -

1 stop29h 25m

Deal found 17/8C$ 893

Fri 2/108:05 p.m. -

1 stop15h 45m

Sat 17/105:45 p.m. -

1 stop29h 25m

Deal found 16/8C$ 1,523

Thu 17/910:05 a.m. -

2 stops24h 55m

Thu 24/94:25 p.m. -

2 stops34h 15m

Deal found 18/8C$ 2,077

Wed 11/119:00 a.m. -

2 stops25h 35m

Tue 17/116:05 a.m. -

2 stops32h 42m

Deal found 16/8C$ 900

Fri 18/98:05 p.m. -

1 stop32h 50m

Mon 21/910:50 a.m. -

1 stop36h 20m

Deal found 15/8C$ 1,565

Tue 1/94:30 p.m. -

2 stops17h 10m

Tue 8/97:55 a.m. -

2 stops18h 35m

Deal found 19/8C$ 928

Thu 17/911:45 a.m. -

2 stops23h 15m

Sun 27/910:15 a.m. -

2 stops17h 48m

Deal found 18/8C$ 2,210

Sat 28/1110:55 p.m. -

1 stop30h 00m

Tue 8/125:20 p.m. -

1 stop30h 00m

Deal found 19/8C$ 1,569

Thu 1/103:30 p.m. -

2 stops24h 50m

Thu 8/106:30 a.m. -

2 stops31h 50m

Deal found 17/8C$ 936

Fri 8/17:55 p.m. -

1 stop15h 25m

Wed 20/110:55 a.m. -

1 stop36h 05m

Deal found 17/8C$ 1,609

Tue 8/97:15 p.m. -

1 stop20h 15m

Sun 27/910:10 p.m. -

1 stop17h 50m

Deal found 15/8C$ 943

Thu 15/109:00 p.m. -

1 stop31h 55m

Wed 21/105:45 p.m. -

1 stop31h 30m

Deal found 16/8C$ 1,665

Mon 21/97:15 p.m. -

1 stop21h 10m

Mon 28/98:45 a.m. -

1 stop31h 15m

Deal found 19/8C$ 957

Thu 1/109:00 p.m. -

1 stop31h 55m

Mon 12/1010:50 a.m. -

1 stop38h 25m

Deal found 17/8C$ 1,672

Wed 21/107:00 a.m. -

2 stops31h 20m

Tue 27/108:45 p.m. -

2 stops28h 35m

Deal found 19/8C$ 958

Fri 11/98:05 p.m. -

1 stop15h 45m

Sun 20/66:15 a.m. -

1 stop16h 45m

Deal found 16/8C$ 1,676

Find flight deals from Ontario to Stansted

Round-trip from	C$ 745
One-way from	C$ 364
Popular in	December
Cheapest in	February
Average price	C$ 1,156

14/11-21/11
2 total stops
32h 55m total
Ontario to London

Search Deals

15/9
2 total stops
23h 15m total
Ontario to London

Search Deals

High demand for flights, 0% potential price rise

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 32 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 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

TorontoLondon

YTZ Toronto Island - STN London Stansted

YTZSTN

Toronto Island

Fri 25/9

10:00 a.m.-5:25 p.m.

2 stops26h 25m

London Stansted

Fri 2/10

6:20 p.m.-8:11 p.m.

2 stops30h 51m

C$ 809

TorontoLondon

YTZ Toronto Island - STN London Stansted

YTZSTN

Toronto Island

Sat 14/11

4:30 p.m.-12:45 p.m.

2 stops15h 15m

London Stansted

Fri 20/11

6:55 a.m.-7:56 p.m.

2 stops18h 01m

C$ 810

TorontoLondon

YTZ Toronto Island - STN London Stansted

YTZSTN

Toronto Island

Fri 25/9

10:45 a.m.-5:35 p.m.

2 stops25h 50m

London Stansted

Mon 28/9

10:45 p.m.-2:20 p.m.

2 stops20h 35m

C$ 824

TorontoLondon

YTZ Toronto Island - STN London Stansted

YTZSTN

Toronto Island

Mon 21/9

6:30 p.m.-7:25 p.m.

2 stops19h 55m

London Stansted

Mon 28/9

10:45 p.m.-5:50 p.m.

2 stops24h 05m

C$ 825

TorontoLondon

YTZ Toronto Island - STN London Stansted

YTZSTN

Toronto Island

Wed 16/9

6:30 p.m.-7:30 p.m.

2 stops20h 00m

London Stansted

Wed 23/9

10:45 p.m.-6:20 p.m.

3 stops24h 35m

C$ 828

Quickest round-trip

TorontoLondon

YTZ Toronto Island - STN London Stansted

YTZSTN

Toronto Island

Mon 14/9

6:30 p.m.-12:50 p.m.

2 stops13h 20m

London Stansted

Mon 21/9

6:30 a.m.-3:50 p.m.

2 stops14h 20m

C$ 832

TorontoLondon

YTZ Toronto Island - STN London Stansted

YTZSTN

Toronto Island

Wed 9/9

4:30 p.m.-11:35 a.m.

2 stops14h 05m

London Stansted

Thu 24/9

6:30 a.m.-3:50 p.m.

2 stops14h 20m

C$ 848

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - STN London Stansted

YULSTN

Montreal Pierre Elliott Trudeau Intl

Sun 22/11

8:10 p.m.-3:55 p.m.

1 stop14h 45m

London Stansted

Mon 30/11

4:30 p.m.-12:40 p.m.

1 stop25h 10m

C$ 863

TorontoLondon

YTZ Toronto Island - STN London Stansted

YTZSTN

Toronto Island

Wed 16/9

6:30 p.m.-7:30 p.m.

2 stops20h 00m

London Stansted

Sun 27/9

10:00 p.m.-3:50 p.m.

2 stops22h 50m

C$ 884

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - STN London Stansted

YULSTN

Montreal Pierre Elliott Trudeau Intl

Thu 19/11

8:10 p.m.-11:40 a.m.

1 stop10h 30m

London Stansted

Fri 4/12

12:15 p.m.-12:40 p.m.

1 stop29h 25m

C$ 893

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/8

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

YQT-STN

YYZ-STN

YQG-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

YOW-STN

YUL-STN

YQT-STN

YYZ-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 50m. 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

Luton

Slough

Marlow

Cobham

Hounslow

Watford

High Wycombe

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Alternative routes

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Alternative routes for 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$ 364

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 15/9. 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 20 August 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 20 August 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 20 August 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 20 August 2026.

Last-minute flights from Ontario to StanstedDiscover last-minute flight deals from Ontario to Stansted. Data last updated 20 August 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Stansted. Data last updated 20 August 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 20 August 2026.

Search for one-way flight options from Ontario to Stansted. Find affordable one-way fares based on user searches. Data last updated 20 August 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 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 20 August 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 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 20 August 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 20 August 2026.

Last-minute flights from Ontario to Stansted
Discover last-minute flight deals from Ontario to Stansted. Data last updated 20 August 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 20 August 2026.