Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Ontario to the United Kingdom from £186

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 the United Kingdom departing on 18/3. 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

Discover deals from 900+ travel sites with momondo.

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 the United Kingdom

Cheap return flights

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
22:45 - 15:35
YUL
-
LGW
11h 50m
1 stop
TAP AIR PORTUGAL Logo
10:35 - 21:10
LGW
-
YUL
15h 35m
1 stop
£358TAP AIR PORTUGAL
Mon, 15 Jun - Mon, 22 Jun
TAP AIR PORTUGAL Logo
22:45 - 17:45
YUL
-
LHR
14h 00m
1 stop
TAP AIR PORTUGAL Logo
13:45 - 21:10
LHR
-
YUL
12h 25m
1 stop
£359TAP AIR PORTUGAL
Fri, 22 May - Fri, 5 Jun
Icelandair Logo
20:40 - 19:30
YYZ
-
LHR
18h 50m
1 stop
Icelandair Logo
20:35 - 19:15
LHR
-
YYZ
26h 40m
1 stop
£375Icelandair
Wed, 18 Mar - Thu, 26 Mar
Air Transat Logo
21:35 - 09:45
YYZ
-
LGW
7h 10mdirect
Air Transat Logo
11:40 - 16:00
LGW
-
YYZ
8h 20mdirect
£376Air Transat
Sat, 28 Feb - Sun, 15 Mar
Multiple Airlines Logo
22:00 - 23:20
YYZ
-
STN
20h 20m
1 stop
Multiple Airlines Logo
06:30 - 14:15
STN
-
YYZ
12h 45m
1 stop
£376Multiple Airlines
Wed, 8 Apr - Thu, 23 Apr
Icelandair Logo
20:45 - 20:20
YYZ
-
LHR
18h 35m
1 stop
Icelandair Logo
21:25 - 22:05
LHR
-
YYZ
29h 40m
1 stop
£378Icelandair
Sun, 12 Apr - Sun, 19 Apr
Air Transat Logo
22:35 - 09:45
YYZ
-
LGW
7h 10mdirect
Air Transat Logo
12:40 - 16:00
LGW
-
YYZ
8h 20mdirect
£379Air Transat
Wed, 18 Mar - Mon, 30 Mar
Multiple Airlines Logo
22:00 - 23:20
YYZ
-
STN
20h 20m
1 stop
Multiple Airlines Logo
06:30 - 13:20
STN
-
YYZ
11h 50m
1 stop
£379Multiple Airlines
Mon, 6 Apr - Tue, 28 Apr
Air Canada Logo
07:50 - 06:30
YTZ
-
LHR
41h 40m
2 stops
Air Canada Logo
13:50 - 17:52
LHR
-
YTZ
33h 02m
2 stops
£413Air Canada
Thu, 2 Apr - Thu, 9 Apr
Air Canada Logo
10:20 - 06:30
YTZ
-
LHR
15h 10m
2 stops
Air Canada Logo
06:00 - 21:32
LHR
-
YTZ
20h 32m
2 stops
£414Air Canada
Tue, 21 Apr - Tue, 5 May

Lufthansa flights from Region of Ontario to United Kingdom

Our best Lufthansa deals on Region of Ontario to United Kingdom flight tickets
Lufthansa
19 Feb
YYZ18:10Toronto Pearson Intl
7h 20m
LHR06:30London Heathrow
26 Feb
LHR07:40London Heathrow
12h 10m
1 stop
YYZ14:50Toronto Pearson Intl
£399
Lufthansa
30 Mar
YYZ16:10Toronto Pearson Intl
9h 20m
1 stop
LHR06:30London Heathrow
19 Apr
LHR07:25London Heathrow
12h 00m
1 stop
YYZ14:25Toronto Pearson Intl
£400
Lufthansa
25 Feb
YYZ18:10Toronto Pearson Intl
7h 20m
LHR06:30London Heathrow
5 Mar
LHR20:15London Heathrow
23h 35m
1 stop
YYZ14:50Toronto Pearson Intl
£406

Air Canada flights from Region of Ontario to United Kingdom

Our best Air Canada deals on Region of Ontario to United Kingdom flight tickets
Air Canada
17 Feb
YYZ23:00Toronto Pearson Intl
7h 20m
LHR11:20London Heathrow
19 Feb
LHR09:00London Heathrow
12h 25m
1 stop
YYZ16:25Toronto Pearson Intl
£402
Air Canada
22 Apr
YTZ20:55Toronto Island
28h 35m
1 stop
LHR06:30London Heathrow
1 May
LHR06:00London Heathrow
16h 52m
2 stops
YTZ17:52Toronto Island
£412
Air Canada
2 Apr
YTZ07:50Toronto Island
41h 40m
2 stops
LHR06:30London Heathrow
9 Apr
LHR13:50London Heathrow
33h 02m
2 stops
YTZ17:52Toronto Island
£413

momondo Fare Finder

 
Customise your flight search to find flights from Region of Ontario to United Kingdom 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 17 February 2026.
Use the filters below to find and compare flights from Ontario to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Mon 15/6

22:45-15:35

1 stop11h 50m

London Gatwick

Mon 22/6

10:35-21:10

1 stop15h 35m

£358

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Fri 22/5

22:45-17:45

1 stop14h 00m

London Heathrow

Fri 5/6

13:45-21:10

1 stop12h 25m

£359

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Wed 18/3

20:40-19:30

1 stop18h 50m

London Heathrow

Thu 26/3

20:35-19:15

1 stop26h 40m

£375

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sat 28/2

21:35-09:45

Nonstop7h 10m

London Gatwick

Sun 15/3

11:40-16:00

Nonstop8h 20m

£376

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Wed 8/4

22:00-23:20

1 stop20h 20m

London Stansted

Thu 23/4

06:30-14:15

1 stop12h 45m

£376

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Sun 12/4

20:45-20:20

1 stop18h 35m

London Heathrow

Sun 19/4

21:25-22:05

1 stop29h 40m

£378

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Wed 18/3

22:35-09:45

Nonstop7h 10m

London Gatwick

Mon 30/3

12:40-16:00

Nonstop8h 20m

£379

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Mon 6/4

22:00-23:20

1 stop20h 20m

London Stansted

Tue 28/4

06:30-13:20

1 stop11h 50m

£379

TorontoLondon

YTZ - LHR

YTZLHR

Toronto Island

Thu 2/4

07:50-06:30

2 stops41h 40m

London Heathrow

Thu 9/4

13:50-17:52

2 stops33h 02m

£413

TorontoLondon

YTZ - LHR

YTZLHR

Toronto Island

Tue 21/4

10:20-06:30

2 stops15h 10m

London Heathrow

Tue 5/5

06:00-21:32

2 stops20h 32m

£414

Flights are sorted by cheapest return flights first.

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

See travel insights to the United Kingdom from

How to get the cheapest flight ticket from Region of Ontario to United Kingdom

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 month to fly to United Kingdom?

The cheapest month to fly to United Kingdom from Region of Ontario is in May. Flight prices, which tend to average around £393, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of May, then departing from Region of Ontario during the month February is also very affordable. Most momondo users find prices during this month for around £395.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from Region of Ontario to United Kingdom is on a Wednesday. Travellers who choose to depart for United Kingdom on a Wednesday will often find tickets for as low as £499. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Region of Ontario to United Kingdom for around £544.

What is the cheapest time of day to depart on your flight to United Kingdom?

The cheapest time of day to fly to United Kingdom is in the evening when flights can be purchased for as low as £525. Try not to purchase tickets in the afternoon because they tend to be around £534. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Ontario to United Kingdom flight route?

Fly from Toronto Pearson Intl to London Gatwick for the best Ontario - United Kingdom flight prices

How far in advance should I book a flight to United Kingdom?

You are more likely to see cheaper flights to United Kingdom from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £495 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Region of Ontario for as low as £451 on momondo.

What cabin class options are available on Ontario to United Kingdom flights?

There are 3 cabin classes available to choose from on Ontario to United Kingdom flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Region of Ontario to United Kingdom flights?

You could potentially save up to 29% on your flight if you consider stops on a Region of Ontario to United Kingdom flight.

Cheap Region of Ontario to United Kingdom flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to United Kingdom

Best price found

£240

Fastest flight time

6h 10m

Direct flights

Every day

Airports in United Kingdom

1,286 airports
The best one-way flight to United Kingdom from Region of Ontario in the past 72 hours is £240. The best return flight deal from Region of Ontario to United Kingdom found on momondo in the last 72 hours is £386.
The fastest flight from Region of Ontario to United Kingdom takes 6h 10m
Direct flights go from Region of Ontario to United Kingdom every day.
There are 1,286 airports in United Kingdom. From Region of Ontario there are direct flights to London Heathrow (LHR), London Gatwick (LGW).
Search flight deals

  • When did momondo last update prices for flights from Ontario to United Kingdom?

    Prices for flights from Ontario to United Kingdom were last updated today.

  • How many operators does momondo search for flights from Ontario to United Kingdom?

  • How old do you have to be to fly from Ontario to United Kingdom?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The necessary travel and health documents for your United Kingdom trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Region of Ontario to United Kingdom?

Best airlines flying from Region of Ontario to United Kingdom

Compare and see reviews for airlines that fly from Region of Ontario to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
Air TransatPriceFrom £305Free CancellationRating
7.7
509 reviews
Search Air Transat flights
Porter AirlinesPriceFrom £347Free CancellationRating
7.9
416 reviews
Search Porter Airlines flights
IcelandairPriceFrom £355Free CancellationRating
7.1
614 reviews
Search Icelandair flights
Aer LingusPriceFrom £360Free CancellationRating
7.2
1,455 reviews
Search Aer Lingus flights
WestJetPriceFrom £366Free CancellationRating
7.2
3,266 reviews
Search WestJet flights
KLMPriceFrom £375Free CancellationRating
7.7
1,456 reviews
Search KLM flights
Air CanadaPriceFrom £378Free CancellationRating
7.1
10,728 reviews
Search Air Canada flights
Virgin AtlanticPriceFrom £383Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom £389Free CancellationRating
6.7
7,751 reviews
Search British Airways flights
LufthansaPriceFrom £399Free CancellationRating
6.8
7,787 reviews
Search Lufthansa flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to United Kingdom . Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to United Kingdom from Ontario which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ontario to United Kingdom?

momondo provides multiple filters to help you find the best flight to United Kingdom from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to United Kingdom from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your United Kingdom 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
Thu 19/3
Thu 26/3
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom

Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to Londonfrom £29
Flights to Manchesterfrom £30
Flights to Birminghamfrom £34
Flights to Edinburghfrom £29
Flights to Belfastfrom £30
Flights to Glasgowfrom £31
Flights to Bristolfrom £30
Flights to Newcastle upon Tynefrom £30
Flights to Liverpoolfrom £35
Flights to Aberdeenfrom £37
Flights to Leedsfrom £59
Flights to Invernessfrom £34