Find flights
When to book
FAQs

Cheap flights from London Stansted Airport to Ontario from £188

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
STN — YYZ
30 May — 6 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Stansted to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Stansted to Ontario
Explore the most affordable flight options available from Stansted to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2026.

Thu 21/506:30
STN
-
YOW
3 stops22h 50m
Multiple Airlines
Sun 31/506:55
YOW
-
STN
2 stops34h 00m
Multiple Airlines
Deal found 29/4£387
Wed 29/422:45
STN
-
YOW
2 stops23h 50m
Multiple Airlines
Wed 27/506:55
YOW
-
STN
2 stops32h 35m
Multiple Airlines
Deal found 26/4£410
Mon 11/506:30
STN
-
YYZ
1 stop11h 50m
Multiple Airlines
Mon 18/521:35
YYZ
-
STN
1 stop18h 45m
Multiple Airlines
Deal found 28/4£410
Sat 9/506:35
STN
-
YYZ
2 stops20h 10m
Multiple Airlines
Sun 17/521:55
YYZ
-
STN
1 stop19h 00m
Multiple Airlines
Deal found 27/4£411
Thu 30/406:30
STN
-
YYZ
1 stop11h 50m
Multiple Airlines
Sat 30/507:35
YYZ
-
STN
2 stops43h 00m
Multiple Airlines
Deal found 25/4£412
Sat 16/508:30
STN
-
YYZ
1 stop11h 25m
Multiple Airlines
Thu 21/518:15
YYZ
-
STN
2 stops22h 05m
Multiple Airlines
Deal found 29/4£413
Fri 8/522:00
STN
-
YOW
3 stops31h 20m
Multiple Airlines
Sun 24/506:55
YOW
-
STN
2 stops34h 00m
Multiple Airlines
Deal found 26/4£413
Mon 4/506:30
STN
-
YYZ
2 stops20h 15m
Multiple Airlines
Sun 10/519:15
YYZ
-
STN
1 stop9h 20m
Multiple Airlines
Deal found 27/4£413
Mon 4/506:30
STN
-
YYZ
1 stop11h 50m
Multiple Airlines
Thu 21/518:15
YYZ
-
STN
2 stops22h 05m
Multiple Airlines
Deal found 29/4£414
Thu 14/506:30
STN
-
YYZ
1 stop11h 50m
Multiple Airlines
Fri 5/623:05
YYZ
-
STN
1 stop10h 10m
Multiple Airlines
Deal found 26/4£415
Tue 12/522:00
STN
-
YOW
3 stops31h 20m
Multiple Airlines
Thu 21/506:55
YOW
-
STN
3 stops33h 25m
Multiple Airlines
Deal found 28/4£415
Mon 18/522:00
STN
-
YYZ
1 stop20h 20m
Multiple Airlines
Sun 31/521:55
YYZ
-
STN
1 stop19h 00m
Multiple Airlines
Deal found 29/4£416

Find flight deals from Stansted to Ontario

Keep the following information in mind while searching for Stansted to Ontario flight deals. Data was last updated 30 April 2026.

Round-trip from

£387

One-way from

£188

Popular in

December

Cheapest in

February

Average price

£458
21/5-31/5
  • 21/5-31/5
  • 5 total stops
  • 56h 50m total
  • London to Ontario
Search Deals
5/5
  • 5/5
  • 3 total stops
  • 44h 50m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£8 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Stansted to Ontario 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 April 2026.
Use the filters below to find and compare flights from London Stansted Airport to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonOttawa

STN - YOW

STNYOW

London Stansted

Mon 8/6

06:30-00:20

3 stops22h 50m

Ottawa

Thu 11/6

06:55-22:25

2 stops34h 30m

£473

LondonOttawa

STN - YOW

STNYOW

London Stansted

Sun 14/6

22:00-17:35

3 stops24h 35m

Ottawa

Sun 30/8

06:55-23:25

3 stops35h 30m

£496

LondonOttawa

STN - YOW

STNYOW

London Stansted

Wed 27/5

06:30-00:20

2 stops22h 50m

Ottawa

Wed 3/6

18:25-20:30

2 stops21h 05m

£497

LondonOttawa

STN - YOW

STNYOW

London Stansted

Wed 8/7

22:45-00:20

3 stops30h 35m

Ottawa

Wed 22/7

18:25-20:30

2 stops21h 05m

£558

LondonOttawa

STN - YOW

STNYOW

London Stansted

Thu 25/6

06:30-17:35

2 stops16h 05m

Ottawa

Wed 1/7

06:55-22:50

2 stops34h 55m

£573

LondonOttawa

STN - YOW

STNYOW

London Stansted

Fri 17/7

22:50-17:35

2 stops23h 45m

Ottawa

Mon 3/8

18:25-20:55

2 stops21h 30m

£589

LondonMontreal

STN - YUL

STNYUL

London Stansted

Mon 8/6

15:35-14:00

1 stop27h 25m

Montreal Pierre Elliott Trudeau Intl

Sun 27/9

18:50-15:05

1 stop15h 15m

£593

LondonOttawa

STN - YOW

STNYOW

London Stansted

Mon 6/7

22:45-00:20

3 stops30h 35m

Ottawa

Mon 27/7

06:55-15:15

3 stops27h 20m

£596

LondonMontreal

STN - YUL

STNYUL

London Stansted

Fri 15/5

17:00-14:00

1 stop26h 00m

Montreal Pierre Elliott Trudeau Intl

Thu 21/5

21:30-16:30

1 stop14h 00m

£598

LondonMontreal

STN - YUL

STNYUL

London Stansted

Sat 25/7

06:35-00:25

3 stops22h 50m

Montreal Pierre Elliott Trudeau Intl

Fri 31/7

06:45-23:05

2 stops35h 20m

£605

Flights are sorted by cheapest return flights first.

Deals found on 26/4

Showing 1-10 of 59 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Stansted to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Stansted 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 London Stansted Airport to Ontario
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Stansted to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Airlines like Turkish Airlines fly from London Stansted Airport to Region of Ontario in about 18h 10m. The time it takes to get you to your destination can typically vary by up to . London Stansted Airport and Region of Ontario are separated by a distance of 3558 mi.

  • What are the most popular routes from London Stansted Airport to Region of Ontario?

    When deciding which route to take from London Stansted Airport to Region of Ontario consider London Stansted - Toronto Pearson Intl, London Stansted - Montreal Pierre Elliott Trudeau Intl or London Stansted - Ottawa as they are the most popular.

  • Can I find deals for flights from Stansted to Ontario that include hotel bookings?

    Yes. In addition to deals on Stansted to Ontario flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Stansted to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stansted to Ontario.

  • Can I find deals for business class flights from Stansted to Ontario?

    Yes. Cheapflights offers flight deals from Stansted to Ontario 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

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 Stansted to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Pearson Intl flights
Heathrow to Vancouver Intl flights
Gatwick to Pearson Intl flights
Gatwick to Vancouver Intl flights
Stansted to Pearson Intl flights
London City to Pearson Intl flights
Heathrow to Toronto Island flights
Heathrow to Calgary flights
London City to Vancouver Intl flights
Heathrow to Pierre Elliott Trudeau Intl flights
Luton to Pearson Intl flights
Gatwick to Toronto Island flights
Stansted to Vancouver Intl flights
Gatwick to Pierre Elliott Trudeau Intl flights
Southend to Pearson Intl flights
Heathrow to Abbotsford flights
Gatwick to Calgary flights
London City to Calgary flights
London City to Pierre Elliott Trudeau Intl flights
Stansted to Calgary flights
Stansted to Pierre Elliott Trudeau Intl flights
Luton to Vancouver Intl flights
Heathrow to Halifax flights
Luton to Pierre Elliott Trudeau Intl flights
Luton to Calgary flights
Heathrow to Ottawa flights
Heathrow to Edmonton flights
Gatwick to Edmonton flights
Heathrow to Winnipeg flights
Stansted to Halifax flights
Gatwick to Halifax flights
Gatwick to Ottawa flights
London City to Halifax flights
Heathrow to St. John's flights
Stansted to Ottawa flights
Luton to Halifax flights
Stansted to Edmonton flights
Gatwick to St. John's flights
Heathrow to London flights
London City to Edmonton flights
Heathrow to Victoria flights
Gatwick to Kelowna flights
Gatwick to Winnipeg flights
London City to Kelowna flights
London City to Ottawa flights
Heathrow to Kelowna flights
Gatwick to Victoria flights
London City to Victoria flights
Heathrow to Québec City flights

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 Stansted to Ontario?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ontario from Stansted today with Cheapflights!

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Stansted to Ontario.

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

Certainly. Search results for flights to Ontario from Stansted shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Of course! You can now track prices for flights from Stansted to Ontario 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.