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Cheap flights from London Stansted Airport to Ontario from C$ 348

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
STN — YYZ
19 May — 26 May1
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 19 April 2026.

Tue 12/510:00 p.m.
STN
-
YOW
3 stops31h 20m
Multiple Airlines
Tue 19/56:55 a.m.
YOW
-
STN
2 stops25h 30m
Multiple Airlines
Deal found 14/4C$ 669
Tue 9/68:30 a.m.
STN
-
YOW
2 stops20h 50m
Multiple Airlines
Tue 23/66:55 a.m.
YOW
-
STN
2 stops25h 30m
Multiple Airlines
Deal found 18/4C$ 671
Tue 19/510:00 p.m.
STN
-
YOW
3 stops31h 20m
Multiple Airlines
Tue 26/56:55 a.m.
YOW
-
STN
2 stops34h 45m
Multiple Airlines
Deal found 18/4C$ 675
Tue 2/66:30 a.m.
STN
-
YOW
2 stops16h 05m
Multiple Airlines
Tue 9/66:55 a.m.
YOW
-
STN
2 stops34h 45m
Multiple Airlines
Deal found 16/4C$ 676
Wed 20/510:45 p.m.
STN
-
YOW
3 stops30h 35m
Multiple Airlines
Wed 27/56:25 p.m.
YOW
-
STN
2 stops21h 05m
Multiple Airlines
Deal found 15/4C$ 679
Tue 19/510:00 p.m.
STN
-
YOW
3 stops31h 20m
Multiple Airlines
Sun 31/56:25 p.m.
YOW
-
STN
2 stops22h 30m
Multiple Airlines
Deal found 17/4C$ 693
Wed 6/510:00 p.m.
STN
-
YOW
3 stops31h 20m
Multiple Airlines
Sun 7/66:25 p.m.
YOW
-
STN
2 stops22h 30m
Multiple Airlines
Deal found 18/4C$ 702
Fri 15/510:00 p.m.
STN
-
YUL
3 stops31h 25m
Multiple Airlines
Fri 5/66:45 a.m.
YUL
-
STN
3 stops29h 50m
Multiple Airlines
Deal found 15/4C$ 715
Fri 15/510:00 p.m.
STN
-
YOW
3 stops31h 20m
Multiple Airlines
Sun 31/56:55 a.m.
YOW
-
STN
2 stops34h 00m
Multiple Airlines
Deal found 19/4C$ 717
Wed 13/510:45 p.m.
STN
-
YUL
3 stops30h 40m
Multiple Airlines
Wed 20/57:20 p.m.
YUL
-
STN
2 stops19h 10m
Multiple Airlines
Deal found 15/4C$ 731
Mon 4/56:30 a.m.
STN
-
YUL
3 stops22h 55m
Multiple Airlines
Wed 20/57:20 p.m.
YUL
-
STN
2 stops20h 10m
Multiple Airlines
Deal found 15/4C$ 736
Tue 12/510:00 p.m.
STN
-
YYZ
2 stops24h 15m
Multiple Airlines
Sat 23/59:35 p.m.
YYZ
-
STN
2 stops16h 45m
Multiple Airlines
Deal found 14/4C$ 742

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 19 April 2026.

Round-trip from

C$ 669

One-way from

C$ 348

Popular in

December

Cheapest in

February

Average price

C$ 821
12/5-19/5
  • 12/5-19/5
  • 5 total stops
  • 56h 50m total
  • London to Ontario
Search Deals
6/5
  • 6/5
  • 3 total stops
  • 31h 20m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize 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 629,999 searches. Data last updated 19 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 round-trip

LondonOttawa

STN - YOW

STNYOW

London Stansted

Tue 19/5

10:00 p.m.-5:35 p.m.

2 stops24h 35m

Ottawa

Tue 26/5

6:55 a.m.-10:40 p.m.

2 stops34h 45m

C$ 741

LondonToronto

STN - YTZ

STNYTZ

London Stansted

Mon 1/6

6:30 a.m.-9:32 p.m.

3 stops20h 02m

Toronto Island

Mon 8/6

6:30 p.m.-5:05 p.m.

2 stops17h 35m

C$ 757

LondonOttawa

STN - YOW

STNYOW

London Stansted

Tue 26/5

6:30 a.m.-12:20 a.m.

2 stops22h 50m

Ottawa

Fri 29/5

6:25 p.m.-11:20 p.m.

3 stops23h 55m

C$ 757

LondonOttawa

STN - YOW

STNYOW

London Stansted

Fri 15/5

10:50 p.m.-12:20 a.m.

3 stops30h 30m

Ottawa

Fri 22/5

6:25 p.m.-7:20 p.m.

2 stops19h 55m

C$ 767

LondonToronto

STN - YYZ

STNYYZ

London Stansted

Tue 9/6

8:30 a.m.-2:55 p.m.

1 stop11h 25m

Toronto Pearson Intl

Wed 24/6

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

2 stops24h 00m

C$ 812

LondonOttawa

STN - YOW

STNYOW

London Stansted

Thu 14/5

6:30 a.m.-12:20 a.m.

3 stops22h 50m

Ottawa

Tue 2/6

6:55 a.m.-10:40 p.m.

2 stops34h 45m

C$ 812

LondonOttawa

STN - YOW

STNYOW

London Stansted

Fri 15/5

6:35 a.m.-5:35 p.m.

2 stops16h 00m

Ottawa

Mon 25/5

6:55 a.m.-7:25 p.m.

2 stops31h 30m

C$ 821

LondonToronto

STN - YYZ

STNYYZ

London Stansted

Sat 13/6

8:30 a.m.-2:55 p.m.

1 stop11h 25m

Toronto Pearson Intl

Wed 24/6

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

2 stops24h 00m

C$ 823
Quickest round-trip

LondonToronto

STN - YTZ

STNYTZ

London Stansted

Sat 16/5

6:35 a.m.-3:52 p.m.

2 stops14h 17m

Toronto Island

Sun 24/5

5:30 p.m.-12:55 p.m.

2 stops14h 25m

C$ 843

LondonOttawa

STN - YOW

STNYOW

London Stansted

Tue 16/6

10:00 p.m.-5:35 p.m.

2 stops24h 35m

Ottawa

Fri 26/6

6:55 a.m.-9:20 p.m.

3 stops33h 25m

C$ 847

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/4

Showing 1-10 of 60 resultsSorted by cheapest first
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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 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 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?

    Departing from London Stansted Airport to Region of Ontario will take you 16h 15m. The distance from London Stansted Airport to Region of Ontario is about 5238 km.

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

    The most popular route from London Stansted Airport to Region of Ontario is London Stansted - Toronto Pearson Intl. You may also consider London Stansted - Montreal Pierre Elliott Trudeau Intl or London Stansted - Ottawa.

  • 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 vacation 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

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

Deals for Stansted to Ontario 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 Stansted to Ontario?

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 Ontario from Stansted.

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?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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