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.
YYZ — STN
4 Sep — 11 Sep1
1 adult

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

£391

One-way from

£177

Popular in

December

Cheapest in

February

Average price

£546
8/10-15/10
  • 8/10-15/10
  • 3 total stops
  • 32h 15m total
  • Ontario to London
5/10
  • 5/10
  • 2 total stops
  • 18h 50m total
  • Ontario to London
Highest demand for flights based on searches. 3% potential increase in price (£12 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£10 potential savings vs. average return price).
Average for round-trip flights in August 2025

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

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ontario to Stansted that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 30 August 2025.
Use the filters below to find and compare flights from Ontario to London Stansted Airport that are best for you.

Fly from

Ontario

Fly to

Stansted

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
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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

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?

    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

Travelling to a place near London Stansted Airport?

Book flights to London Stansted Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Hounslow
Gatwick
Slough
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Folkestone
Ipswich
Chichester
Winchester
Eastbourne
Dartford
Guildford
Romford

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

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