What is the cheapest month to book a flight from Region of Ontario to London Stansted Airport?

Currently, January is the cheapest month in which you can book a flight from Region of Ontario to London Stansted Airport (average of £55). Flying from Region of Ontario to London Stansted Airport in August is currently the most expensive (average of £113). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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.

How far in advance should I book a flight from Region of Ontario to London Stansted Airport?

Users have found that booking a flight from Region of Ontario to London Stansted Airport at least 55 days early can save you up to 18% on average compared to booking a flight this week. If booking 55 days before your flight isn’t an option for you, users have found flights from Region of Ontario to London Stansted Airport for as little as £453 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £628 for flights departing within the next 3 days.

What is the cheapest month to fly from Region of Ontario to London Stansted Airport?

February can be a great time to fly to London Stansted Airport from Region of Ontario with a flight ticket averaging about £459. Cheapflights users have found deals in the month of February for as cheap as £283. The most expensive prices can be found in the month of December.

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.

£177+ Flights from Ontario to London Stansted Airport

Q: How much does it cost for a return flight from Region of Ontario to London Stansted Airport?

Airfare is typical for this route at the moment. Region of Ontario to London Stansted Airport flights typically cost between £374 and £471 in October. The cheapest return flight price found within the last 3 days was £391 on Multiple Airlines (8 Oct-15 Oct).

Cheap flight deals from Ontario to Stansted

Round-trip from	£391
One-way from	£177
Popular in	December
Cheapest in	February
Average price	£546

8/10-15/10
3 total stops
32h 15m total
Ontario to London

Search Deals

5/10
2 total stops
18h 50m total
Ontario to London

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (£12 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£10 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

Find flight deals from Ontario to Stansted

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 30 August 2025.

Wed 8/1022:10YYZ - STN

1 stop11h 15mMultiple Airlines

Wed 15/1022:10STN - YYZ

2 stops21h 00mMultiple Airlines

Deal found 29/8£391

Sun 21/923:55YYZ - STN

1 stop12h 00mMultiple Airlines

Thu 25/906:55STN - YYZ

2 stops18h 05mMultiple Airlines

Deal found 28/8£392

Tue 16/922:40YYZ - STN

1 stop10h 40mMultiple Airlines

Sat 27/907:50STN - YYZ

1 stop11h 20mMultiple Airlines

Deal found 30/8£393

Tue 16/922:40YYZ - STN

1 stop10h 40mMultiple Airlines

Mon 22/908:30STN - YYZ

1 stop10h 40mMultiple Airlines

Deal found 30/8£394

Wed 8/1018:20YYZ - STN

2 stops13h 25mMultiple Airlines

Mon 20/1022:00STN - YYZ

1 stop21h 10mMultiple Airlines

Deal found 28/8£394

Mon 22/923:55YYZ - STN

1 stop10h 25mMultiple Airlines

Sat 27/907:50STN - YYZ

1 stop11h 20mMultiple Airlines

Deal found 28/8£395

Wed 17/923:55YYZ - STN

1 stop17h 35mMultiple Airlines

Fri 26/906:40STN - YYZ

1 stop13h 00mMultiple Airlines

Deal found 28/8£396

Fri 19/922:10YYZ - STN

1 stop11h 10mMultiple Airlines

Wed 15/1022:00STN - YYZ

1 stop21h 10mMultiple Airlines

Deal found 28/8£396

Wed 15/1018:20YYZ - STN

2 stops13h 25mMultiple Airlines

Tue 21/1022:35STN - YYZ

1 stop20h 35mMultiple Airlines

Deal found 28/8£397

Fri 12/923:55YYZ - STN

1 stop16h 25mMultiple Airlines

Wed 17/909:05STN - YYZ

1 stop11h 45mMultiple Airlines

Deal found 28/8£398

Mon 15/923:55YYZ - STN

1 stop11h 10mMultiple Airlines

Mon 22/908:30STN - YYZ

1 stop10h 40mMultiple Airlines

Deal found 30/8£399

Sat 20/922:15YYZ - STN

2 stops18h 55mMultiple Airlines

Thu 25/922:55STN - YYZ

1 stop20h 45mMultiple Airlines

Deal found 28/8£399

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 30 August 2025.

Wed 8/1022:10YYZ - STN

1 stop11h 15mMultiple Airlines

Wed 15/1022:10STN - YYZ

2 stops21h 00mMultiple Airlines

Deal found 29/8£391

Sun 21/923:55YYZ - STN

1 stop12h 00mMultiple Airlines

Thu 25/906:55STN - YYZ

2 stops18h 05mMultiple Airlines

Deal found 28/8£392

Fri 12/923:55YYZ - STN

1 stop11h 40mMultiple Airlines

Wed 17/922:00STN - YYZ

2 stops27h 00mMultiple Airlines

Deal found 28/8£392

Tue 16/922:40YYZ - STN

1 stop10h 40mMultiple Airlines

Sat 27/907:50STN - YYZ

1 stop11h 20mMultiple Airlines

Deal found 30/8£393

Sun 28/922:15YYZ - STN

1 stop16h 15mMultiple Airlines

Mon 13/1016:10STN - YYZ

1 stop27h 00mMultiple Airlines

Deal found 28/8£393

Mon 29/922:10YYZ - STN

1 stop12h 10mMultiple Airlines

Wed 8/1022:05STN - YYZ

2 stops21h 05mMultiple Airlines

Deal found 29/8£394

Sat 20/922:15YYZ - STN

2 stops18h 55mMultiple Airlines

Thu 25/906:55STN - YYZ

2 stops22h 30mMultiple Airlines

Deal found 29/8£394

Tue 16/922:40YYZ - STN

1 stop10h 40mMultiple Airlines

Mon 22/908:30STN - YYZ

1 stop10h 40mMultiple Airlines

Deal found 30/8£394

Wed 8/1018:20YYZ - STN

2 stops13h 25mMultiple Airlines

Tue 21/1022:35STN - YYZ

1 stop20h 35mMultiple Airlines

Deal found 28/8£394

Mon 22/923:55YYZ - STN

1 stop10h 25mMultiple Airlines

Sat 27/907:50STN - YYZ

1 stop11h 20mMultiple Airlines

Deal found 28/8£395

Mon 13/1022:10YYZ - STN

1 stop11h 10mMultiple Airlines

Mon 20/1022:00STN - YYZ

1 stop21h 10mMultiple Airlines

Deal found 29/8£395

Tue 7/1020:15YUL - STN

2 stops13h 05mMultiple Airlines

Sat 11/1019:00STN - YUL

1 stop20h 40mMultiple Airlines

Deal found 29/8£422

Last-minute flights from Ontario to Stansted
Discover last-minute flight deals from Ontario to Stansted. Data last updated 30 August 2025 and is based on user searches.

Fri 12/923:55YYZ - STN

1 stop16h 25mMultiple Airlines

Wed 17/909:05STN - YYZ

1 stop11h 45mMultiple Airlines

Deal found 28/8£398

Fri 12/923:55YYZ - STN

1 stop16h 25mMultiple Airlines

Sun 21/911:35STN - YYZ

3 stops37h 25mMultiple Airlines

Deal found 28/8£402

Mon 15/923:55YYZ - STN

1 stop11h 10mMultiple Airlines

Mon 22/908:30STN - YYZ

1 stop10h 40mMultiple Airlines

Deal found 30/8£399

Tue 16/922:40YYZ - STN

1 stop10h 40mMultiple Airlines

Sat 27/907:50STN - YYZ

1 stop11h 20mMultiple Airlines

Deal found 30/8£393

Tue 16/922:40YYZ - STN

1 stop10h 40mMultiple Airlines

Mon 22/908:30STN - YYZ

1 stop10h 40mMultiple Airlines

Deal found 30/8£394

Wed 17/923:55YYZ - STN

1 stop17h 35mMultiple Airlines

Fri 26/906:40STN - YYZ

1 stop13h 00mMultiple Airlines

Deal found 28/8£396

Thu 18/923:55YYZ - STN

1 stop26h 55mMultiple Airlines

Sat 27/907:50STN - YYZ

1 stop11h 20mMultiple Airlines

Deal found 30/8£401

Fri 19/922:10YYZ - STN

1 stop11h 10mMultiple Airlines

Wed 15/1022:00STN - YYZ

1 stop21h 10mMultiple Airlines

Deal found 28/8£396

Sat 20/922:15YYZ - STN

2 stops18h 55mMultiple Airlines

Thu 25/922:55STN - YYZ

1 stop20h 45mMultiple Airlines

Deal found 28/8£399

Sun 21/923:55YYZ - STN

1 stop12h 00mMultiple Airlines

Thu 25/906:55STN - YYZ

2 stops18h 05mMultiple Airlines

Deal found 28/8£392

Mon 22/923:55YYZ - STN

1 stop10h 25mMultiple Airlines

Sat 27/907:50STN - YYZ

1 stop11h 20mMultiple Airlines

Deal found 28/8£395

Sat 27/922:15YYZ - STN

2 stops18h 55mMultiple Airlines

Sat 4/1006:35STN - YYZ

2 stops18h 25mMultiple Airlines

Deal found 30/8£400

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 30 August 2025.

Sun 5/1017:05YOW - STN

2 stops18h 50mMultiple Airlines

Deal found 29/8£177

Sat 4/1017:05YOW - STN

2 stops26h 15mMultiple Airlines

Deal found 29/8£179

Tue 7/1017:05YOW - STN

2 stops18h 30mMultiple Airlines

Deal found 28/8£186

Tue 7/1020:15YUL - STN

3 stops20h 20mMultiple Airlines

Deal found 28/8£193

Tue 14/1020:15YUL - STN

3 stops20h 20mMultiple Airlines

Deal found 28/8£195

Thu 16/1020:15YUL - STN

3 stops18h 10mMultiple Airlines

Deal found 30/8£196

Mon 20/1022:10YYZ - STN

3 stops28h 10mMultiple Airlines

Deal found 29/8£198

Thu 18/923:55YYZ - STN

2 stops16h 25mMultiple Airlines

Deal found 29/8£199

Tue 23/922:15YYZ - STN

2 stops18h 00mMultiple Airlines

Deal found 29/8£199

Mon 22/922:15YYZ - STN

2 stops17h 45mMultiple Airlines

Deal found 28/8£201

Mon 13/1005:55YOW - STN

2 stops27h 25mMultiple Airlines

Deal found 29/8£202

Wed 17/923:55YYZ - STN

1 stop16h 00mMultiple Airlines

Deal found 27/8£202

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

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Wed 8/10

22:10-14:25

1 stop11h 15m

London Stansted

Wed 15/10

22:10-14:10

2 stops21h 00m

£391

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Sun 21/9

23:55-16:55

1 stop12h 00m

London Stansted

Thu 25/9

06:55-20:00

2 stops18h 05m

£392

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Fri 12/9

23:55-16:35

1 stop11h 40m

London Stansted

Wed 17/9

22:00-20:00

2 stops27h 00m

£392

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Tue 16/9

22:40-14:20

1 stop10h 40m

London Stansted

Sat 27/9

07:50-14:10

1 stop11h 20m

£393

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Sun 28/9

22:15-19:30

1 stop16h 15m

London Stansted

Mon 13/10

16:10-14:10

1 stop27h 00m

£393

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Mon 29/9

22:10-15:20

1 stop12h 10m

London Stansted

Wed 8/10

22:05-14:10

2 stops21h 05m

£394

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Sat 20/9

22:15-22:10

2 stops18h 55m

London Stansted

Thu 25/9

06:55-00:25

2 stops22h 30m

£394

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Tue 16/9

22:40-14:20

1 stop10h 40m

London Stansted

Mon 22/9

08:30-14:10

1 stop10h 40m

£394

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Wed 8/10

18:20-12:45

2 stops13h 25m

London Stansted

Tue 21/10

22:35-14:10

1 stop20h 35m

£394

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Mon 22/9

23:55-15:20

1 stop10h 25m

London Stansted

Sat 27/9

07:50-14:10

1 stop11h 20m

£395

Flights are sorted by cheapest return flights first.

Deals found on 29/8

Showing 1-10 of 53 results

...

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

How much does it cost for a return flight from Region of Ontario to London Stansted Airport?

Related info for your journey

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.
What is the cheapest month to book a flight from Region of Ontario to London Stansted Airport?
Currently, January is the cheapest month in which you can book a flight from Region of Ontario to London Stansted Airport (average of £55). Flying from Region of Ontario to London Stansted Airport in August is currently the most expensive (average of £113). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Milton Keynes

Croydon

Hounslow

Gatwick

Slough

Luton

Deal

Wembley

Ilford

Crawley

Hayes

Watford

Folkestone

Ipswich

Chichester

Winchester

Eastbourne

Dartford

Guildford

Romford

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Ontario to London Stansted Airport from £177

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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ontario to Stansted

Keep the following information in mind while searching for Ontario to Stansted flight deals. Data was last updated 30 August 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 30 August 2025.

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 30 August 2025.

Cheapflights Fare Finder

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

Everything you need to know about your flight from Ontario to London Stansted Airport

How much does it cost for a return flight from Region of Ontario to London Stansted Airport?

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.

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?

What is the cheapest month to book a flight from Region of Ontario to London Stansted Airport?

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.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Why should you use Cheapflights to find cheap flight tickets from Ontario to Stansted?

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?

100% Free

Book with Flexibility

Travel Smart

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 30 August 2025.