Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Ontario to London from £174

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to London departing on 16/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Ontario to London

Cheap return flights

Multiple Airlines Logo
17:25 - 10:50YTZ-STN
12h 25m2 stops
Multiple Airlines Logo
22:00 - 14:45STN-YTZ
21h 45m2 stops
£385Multiple Airlines
Find Deal
ma., 29 sep. - ma., 6 okt.
Multiple Airlines Logo
17:25 - 07:50YYZ-STN
9h 25m1 stop
Multiple Airlines Logo
06:30 - 15:55STN-YYZ
14h 25m1 stop
£389Multiple Airlines
Find Deal
ti., 18 nov. - on., 3 des.
Multiple Airlines Logo
18:00 - 10:50YYZ-STN
11h 50m2 stops
Multiple Airlines Logo
22:00 - 15:24STN-YYZ
22h 24m2 stops
£391Multiple Airlines
Find Deal
ma., 29 sep. - ma., 6 okt.
Multiple Airlines Logo
17:25 - 07:50YYZ-STN
9h 25m1 stop
Multiple Airlines Logo
06:30 - 15:55STN-YYZ
14h 25m1 stop
£391Multiple Airlines
Find Deal
lø., 8 nov. - ti., 18 nov.
Multiple Airlines Logo
17:25 - 07:50YYZ-STN
9h 25m1 stop
Multiple Airlines Logo
08:30 - 15:55STN-YYZ
12h 25m1 stop
£393Multiple Airlines
Find Deal
on., 19 nov. - ti., 25 nov.
Multiple Airlines Logo
17:25 - 07:50YYZ-STN
9h 25m1 stop
Multiple Airlines Logo
08:30 - 15:55STN-YYZ
12h 25m1 stop
£393Multiple Airlines
Find Deal
ti., 11 nov. - sø., 16 nov.
Multiple Airlines Logo
23:55 - 22:25YYZ-STN
17h 30m1 stop
Multiple Airlines Logo
19:30 - 21:15STN-YYZ
30h 45m2 stops
£394Multiple Airlines
Find Deal
to., 16 okt. - to., 20 nov.
Multiple Airlines Logo
20:15 - 19:25YUL-STN
18h 10m1 stop
Multiple Airlines Logo
20:25 - 16:55STN-YUL
25h 30m2 stops
£395Multiple Airlines
Find Deal
sø., 30 nov. - lø., 6 des.
Multiple Airlines Logo
20:40 - 14:20YYZ-STN
12h 40m1 stop
Multiple Airlines Logo
22:00 - 15:24STN-YYZ
22h 24m2 stops
£397Multiple Airlines
Find Deal
to., 2 okt. - ma., 6 okt.
Multiple Airlines Logo
20:15 - 18:40YUL-STN
17h 25m1 stop
Multiple Airlines Logo
20:25 - 16:55STN-YUL
25h 30m2 stops
£398Multiple Airlines
Find Deal
ma., 1 des. - lø., 6 des.

momondo Fare Finder

 
Customise your flight search to find flights from Region of Ontario to London Stansted Airport 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, momondo users made 279,928 searches. Data last updated 18 september 2025.
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

ma. 29/9

17:25-10:50

2 stops12h 25m

London Stansted

ma. 6/10

22:00-14:45

2 stops21h 45m

£385

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

ti. 18/11

17:25-07:50

1 stop9h 25m

London Stansted

on. 3/12

06:30-15:55

1 stop14h 25m

£389

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

ma. 29/9

18:00-10:50

2 stops11h 50m

London Stansted

ma. 6/10

22:00-15:24

2 stops22h 24m

£391

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

lø. 8/11

17:25-07:50

1 stop9h 25m

London Stansted

ti. 18/11

06:30-15:55

1 stop14h 25m

£391

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

on. 19/11

17:25-07:50

1 stop9h 25m

London Stansted

ti. 25/11

08:30-15:55

1 stop12h 25m

£393

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

ti. 11/11

17:25-07:50

1 stop9h 25m

London Stansted

sø. 16/11

08:30-15:55

1 stop12h 25m

£393

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

to. 16/10

23:55-22:25

1 stop17h 30m

London Stansted

to. 20/11

19:30-21:15

2 stops30h 45m

£394

MontrealLondon

YUL - STN

YULSTN

Montreal Pierre Elliott Trudeau Intl

sø. 30/11

20:15-19:25

1 stop18h 10m

London Stansted

lø. 6/12

20:25-16:55

2 stops25h 30m

£395

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

to. 2/10

20:40-14:20

1 stop12h 40m

London Stansted

ma. 6/10

22:00-15:24

2 stops22h 24m

£397

MontrealLondon

YUL - STN

YULSTN

Montreal Pierre Elliott Trudeau Intl

ma. 1/12

20:15-18:40

1 stop17h 25m

London Stansted

lø. 6/12

20:25-16:55

2 stops25h 30m

£398

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to London from

How to get the cheapest flight ticket from Region of Ontario to London Stansted Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to London Stansted Airport?

According to our data, Thursday is the cheapest day to fly to London Stansted Airport from Region of Ontario. The lowest ticket price found for a Thursday departure recently was £442. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to London Stansted Airport is Monday, with ticket prices averaging around £484.

What is the cheapest time of day to depart on your flight to London Stansted Airport?

Our data shows that the cheapest Region of Ontario to London Stansted Airport flights are usually those with departure times in the afternoon. Our users have found flights to London Stansted Airport in the afternoon for as low as £429. Flights in the evening are often more expensive, with an average ticket price of £526.

Cheap Region of Ontario to London Stansted Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to London Stansted Airport

Direct flights

None
There are no direct flights from Region of Ontario to London Stansted Airport. There are no popular flight routes from Region of Ontario to London Stansted Airport.
Search flight deals

  • When did momondo last update prices for flights from Ontario to London Stansted Airport?

    Prices for flights from Ontario to London Stansted Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Ontario to London Stansted Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to London Stansted Airport.

  • What documentation or ID do you need to fly to London Stansted Airport?

    The travel and health documents required for your trip to London Stansted Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Stansted Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Luton
Milton Keynes
Maidstone
Gatwick
Slough
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Colchester
Worthing
Chelmsford
Dover
Hayes
Dartford
Winchester
Hounslow
Stansted

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to London?

Finding the right flight to London from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

Can I find flights from Ontario to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to London from Ontario with this policy.

How can momondo help me find flights from Ontario to London?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to London.

I’m not ready to book a flight from Ontario to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ontario to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your London Stansted Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
lø. 18/10
lø. 25/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London