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 July is currently the most expensive (average of £103). 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 Toronto Island - 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 50 days early can save you up to 14% on average compared to booking a flight this week. If booking 50 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 £440 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 £607 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 £458. Cheapflights users have found deals in the month of February for as cheap as £281. 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.

£174+ 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 below average for this route at the moment. Region of Ontario to London Stansted Airport flights typically cost between £467 and £489 in October. The cheapest return flight price found within the last 3 days was £389 on Multiple Airlines (2 Oct-14 Oct).

Cheap flight deals from Ontario to Stansted

Round-trip from	£387
One-way from	£174
Popular in	December
Cheapest in	February
Average price	£455

29/9-6/10
5 total stops
35h 25m total
Ontario to London

Search Deals

16/10
2 total stops
24h 20m total
Ontario to London

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (£14 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 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 16 September 2025.

Mon 29/916:10YTZ - STN

3 stops13h 40mMultiple Airlines

Mon 6/1022:00STN - YTZ

2 stops21h 45mMultiple Airlines

Deal found 15/9£387

Tue 30/923:55YYZ - STN

1 stop13h 15mMultiple Airlines

Tue 7/1008:15STN - YYZ

3 stops40h 25mMultiple Airlines

Deal found 14/9£390

Tue 18/1117:25YYZ - STN

1 stop9h 25mMultiple Airlines

Mon 24/1108:30STN - YYZ

1 stop12h 25mMultiple Airlines

Deal found 15/9£391

Mon 29/918:00YYZ - STN

2 stops11h 50mMultiple Airlines

Mon 6/1022:00STN - YYZ

2 stops22h 24mMultiple Airlines

Deal found 15/9£392

Sat 8/1117:25YYZ - STN

1 stop9h 25mMultiple Airlines

Tue 18/1106:30STN - YYZ

1 stop14h 25mMultiple Airlines

Deal found 15/9£393

Thu 23/1020:15YUL - STN

2 stops15h 25mMultiple Airlines

Sun 23/1106:30STN - YUL

2 stops18h 10mMultiple Airlines

Deal found 14/9£401

Thu 30/1020:40YYZ - STN

2 stops19h 25mMultiple Airlines

Thu 6/1106:30STN - YYZ

2 stops16h 45mMultiple Airlines

Deal found 15/9£402

Thu 30/1015:10YUL - STN

2 stops14h 40mMultiple Airlines

Sun 2/1120:00STN - YUL

2 stops24h 23mMultiple Airlines

Deal found 14/9£404

Tue 18/1117:25YYZ - STN

1 stop9h 25mMultiple Airlines

Sun 23/1108:30STN - YYZ

1 stop12h 25mMultiple Airlines

Deal found 15/9£405

Wed 22/1020:40YYZ - STN

1 stop12h 45mMultiple Airlines

Mon 3/1106:30STN - YYZ

2 stops14h 45mMultiple Airlines

Deal found 13/9£406

Mon 15/922:10YYZ - STN

1 stop12h 55mMultiple Airlines

Thu 18/906:55STN - YYZ

2 stops18h 05mMultiple Airlines

Deal found 14/9£407

Sun 9/1117:25YYZ - STN

1 stop12h 40mMultiple Airlines

Wed 19/1106:30STN - YYZ

1 stop14h 25mMultiple Airlines

Deal found 14/9£408

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 16 September 2025.

Mon 29/917:25YTZ - STN

2 stops12h 25mMultiple Airlines

Mon 6/1022:00STN - YTZ

2 stops21h 45mMultiple Airlines

Deal found 15/9£387

Sun 9/1117:25YYZ - STN

1 stop12h 40mMultiple Airlines

Tue 18/1106:30STN - YYZ

1 stop14h 25mMultiple Airlines

Deal found 15/9£392

Sat 8/1117:25YYZ - STN

1 stop9h 25mMultiple Airlines

Tue 18/1106:30STN - YYZ

1 stop14h 25mMultiple Airlines

Deal found 15/9£393

Thu 30/1020:40YYZ - STN

2 stops19h 25mMultiple Airlines

Thu 6/1106:30STN - YYZ

2 stops16h 45mMultiple Airlines

Deal found 14/9£402

Sat 8/1117:25YYZ - STN

1 stop9h 25mMultiple Airlines

Sun 16/1108:30STN - YYZ

1 stop12h 25mMultiple Airlines

Deal found 15/9£410

Thu 13/1117:25YYZ - STN

1 stop11h 25mMultiple Airlines

Tue 18/1106:30STN - YYZ

1 stop14h 25mMultiple Airlines

Deal found 14/9£410

Tue 30/916:40YUL - STN

2 stops18h 55mMultiple Airlines

Mon 6/1022:00STN - YUL

1 stop17h 50mMultiple Airlines

Deal found 13/9£416

Wed 19/1122:45YYZ - STN

1 stop14h 25mMultiple Airlines

Sat 6/1205:50STN - YYZ

1 stop13h 50mMultiple Airlines

Deal found 13/9£417

Thu 15/117:35YYZ - STN

1 stop14h 20mMultiple Airlines

Mon 19/109:05STN - YYZ

1 stop17h 10mMultiple Airlines

Deal found 12/9£420

Tue 7/1023:55YYZ - STN

1 stop9h 25mMultiple Airlines

Tue 18/1105:55STN - YYZ

1 stop14h 25mMultiple Airlines

Deal found 14/9£424

Wed 19/1122:45YYZ - STN

1 stop11h 55mMultiple Airlines

Tue 25/1105:55STN - YYZ

1 stop14h 25mMultiple Airlines

Deal found 13/9£426

Sun 5/1023:55YYZ - STN

1 stop12h 00mMultiple Airlines

Sun 23/1106:15STN - YYZ

1 stop20h 00mMultiple Airlines

Deal found 13/9£428

Last-minute flights from Ontario to Stansted
Discover last-minute flight deals from Ontario to Stansted. Data last updated 16 September 2025 and is based on user searches.

Mon 15/922:10YYZ - STN

1 stop12h 55mMultiple Airlines

Thu 18/906:55STN - YYZ

2 stops18h 05mMultiple Airlines

Deal found 14/9£407

Mon 29/916:10YTZ - STN

3 stops13h 40mMultiple Airlines

Mon 6/1022:00STN - YTZ

2 stops21h 45mMultiple Airlines

Deal found 15/9£387

Tue 30/923:55YYZ - STN

1 stop13h 15mMultiple Airlines

Tue 7/1008:15STN - YYZ

3 stops40h 25mMultiple Airlines

Deal found 14/9£390

Thu 2/1020:40YYZ - STN

1 stop14h 05mMultiple Airlines

Tue 14/1021:25STN - YYZ

1 stop19h 30mMultiple Airlines

Deal found 13/9£389

Sat 4/1020:15YUL - STN

2 stops23h 05mMultiple Airlines

Sat 11/1007:10STN - YUL

1 stop12h 05mMultiple Airlines

Deal found 14/9£412

Wed 22/1016:00YYZ - STN

2 stops21h 25mMultiple Airlines

Tue 4/1119:45STN - YYZ

1 stop21h 25mMultiple Airlines

Deal found 13/9£397

Wed 22/1020:40YYZ - STN

1 stop11h 05mMultiple Airlines

Mon 27/1008:30STN - YYZ

2 stops35h 25mMultiple Airlines

Deal found 13/9£412

Thu 23/1020:15YUL - STN

2 stops15h 25mMultiple Airlines

Sun 23/1106:30STN - YUL

2 stops18h 10mMultiple Airlines

Deal found 14/9£401

Thu 23/1020:40YYZ - STN

1 stop15h 00mMultiple Airlines

Sun 2/1121:45STN - YYZ

1 stop18h 30mMultiple Airlines

Deal found 14/9£413

Tue 28/1019:35YYZ - STN

1 stop10h 15mMultiple Airlines

Tue 4/1121:45STN - YYZ

2 stops23h 30mMultiple Airlines

Deal found 13/9£406

Thu 30/1020:40YYZ - STN

2 stops19h 25mMultiple Airlines

Thu 6/1106:30STN - YYZ

2 stops16h 45mMultiple Airlines

Deal found 14/9£402

Thu 30/1015:10YUL - STN

2 stops14h 40mMultiple Airlines

Sun 2/1120:00STN - YUL

2 stops24h 23mMultiple Airlines

Deal found 14/9£404

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 16 September 2025.

Tue 14/1014:20YOW - STN

2 stops22h 50mMultiple Airlines

Deal found 14/9£174

Thu 16/1007:00YOW - STN

2 stops34h 25mMultiple Airlines

Deal found 15/9£174

Fri 17/1017:05YOW - STN

2 stops18h 30mMultiple Airlines

Deal found 14/9£176

Sun 19/1017:05YOW - STN

2 stops19h 55mMultiple Airlines

Deal found 15/9£177

Wed 22/1018:20YYZ - STN

2 stops13h 25mMultiple Airlines

Deal found 15/9£181

Mon 20/1022:10YYZ - STN

2 stops15h 30mMultiple Airlines

Deal found 15/9£182

Tue 7/1017:05YOW - STN

2 stops16h 15mMultiple Airlines

Deal found 15/9£184

Wed 8/1018:20YYZ - STN

2 stops13h 25mMultiple Airlines

Deal found 15/9£184

Mon 22/917:35YYZ - STN

2 stops33h 25mMultiple Airlines

Deal found 13/9£185

Sat 4/1017:05YOW - STN

2 stops38h 50mMultiple Airlines

Deal found 15/9£185

Sun 12/1017:35YYZ - STN

2 stops14h 20mMultiple Airlines

Deal found 14/9£185

Sat 11/1017:05YOW - STN

2 stops26h 15mMultiple Airlines

Deal found 14/9£186

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

YTZ - STN

YTZSTN

Toronto Island

Mon 29/9

17:25-10:50

2 stops12h 25m

London Stansted

Mon 6/10

22:00-14:45

2 stops21h 45m

£387

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Sun 9/11

17:25-11:05

1 stop12h 40m

London Stansted

Tue 18/11

06:30-15:55

1 stop14h 25m

£392

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Sat 8/11

17:25-07:50

1 stop9h 25m

London Stansted

Tue 18/11

06:30-15:55

1 stop14h 25m

£393

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Thu 30/10

20:40-20:05

2 stops19h 25m

London Stansted

Thu 6/11

06:30-18:15

2 stops16h 45m

£402

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Sat 8/11

17:25-07:50

1 stop9h 25m

London Stansted

Sun 16/11

08:30-15:55

1 stop12h 25m

£410

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Thu 13/11

17:25-09:50

1 stop11h 25m

London Stansted

Tue 18/11

06:30-15:55

1 stop14h 25m

£410

MontrealLondon

YUL - STN

YULSTN

Montreal Pierre Elliott Trudeau Intl

Tue 30/9

16:40-16:35

2 stops18h 55m

London Stansted

Mon 6/10

22:00-10:50

1 stop17h 50m

£416

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Wed 19/11

22:45-18:10

1 stop14h 25m

London Stansted

Sat 6/12

05:50-14:40

1 stop13h 50m

£417

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Thu 15/1

17:35-12:55

1 stop14h 20m

London Stansted

Mon 19/1

09:05-21:15

1 stop17h 10m

£420

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Tue 7/10

23:55-14:20

1 stop9h 25m

London Stansted

Tue 18/11

05:55-15:20

1 stop14h 25m

£424

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 60 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 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 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 July is currently the most expensive (average of £103). 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

Slough

Gatwick

Luton

Deal

Wembley

Ilford

Crawley

Hayes

Watford

Winchester

Chichester

Ipswich

Dartford

Guildford

Brentford

Bishop's Stortford

Romford

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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.

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Cheap flights from Ontario to London Stansted Airport from £174

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 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

Keep the following information in mind while searching for Ontario to Stansted flight deals. Data was last updated 16 September 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 16 September 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 16 September 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.

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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?

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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 16 September 2025.