What is the cheapest airline that flies from London to Ontario?

SWISS, Air Transat, and Finnair are the most popular carriers operating from London to Ontario

How many flights depart from London to Region of Ontario on average per day?

As of May 2026, there are 46 flights per day flying from London to Region of Ontario. The most common time of day flights depart is 5:00p.m., with 83% of flights taking off in the afternoon.

Which airlines fly to Region of Ontario?

Air Canada, Lufthansa and Air Transat are the top three most popular airlines that fly to Region of Ontario from London according to our data. Air Canada is the first choice among our users, with 50% of people opting to fly with this airline when travelling to Region of Ontario. Keep in mind that there are 12 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

How many flights depart from London to Region of Ontario on average per week?

324 flights are operational weekly from London to Region of Ontario as of May 2026. The most popular departure day for this route is Wed, with 16% of flights per week taking off on this day.

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

Prices for flights from London to Ontario are updated daily.

How many operators does momondo search for flights from London to Ontario?

As of May 2026, there are 11 operators available to choose from for flights from London to Ontario.

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

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 London to Ontario.

What documentation or ID do you need to fly to Ontario?

The travel and health documents required for your trip to Ontario 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 Ontario. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 466 Cheap Flights from London to Ontario in 2026

1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from London to Ontario

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:35 a.m. - 8:15 p.m.

LGW

YTZ

13h 40m

1 stop

8:25 a.m. - 9:50 a.m.

YTZ

LGW

20h 25m

1 stop

C$ 773Air Transat

Sat, 30 May - Sat, 6 Jun

3:15 p.m. - 5:10 p.m.

LTN

YYZ

30h 55m

3 stops

10:10 p.m. - 5:25 p.m.

YYZ

LTN

14h 15m

1 stop

C$ 773Multiple Airlines

Wed, 10 Jun - Fri, 12 Jun

9:30 a.m. - 3:10 p.m.

LHR

YYZ

10h 40m

1 stop

5:45 p.m. - 9:55 a.m.

YYZ

LHR

11h 10m

1 stop

C$ 773Lufthansa

Thu, 28 May - Sun, 7 Jun

6:00 p.m. - 1:20 p.m.

STN

YYZ

24h 20m

1 stop

10:15 p.m. - 3:20 p.m.

YYZ

STN

12h 05m

1 stop

C$ 773Multiple Airlines

Sun, 7 Jun - Sun, 14 Jun

3:40 p.m. - 10:05 p.m.

LGW

YYZ

11h 25m

1 stop

11:10 p.m. - 2:40 p.m.

YYZ

LGW

10h 30m

1 stop

C$ 774Icelandair

Tue, 1 Sep - Fri, 11 Sep

9:30 a.m. - 5:52 p.m.

LHR

YTZ

13h 22m

1 stop

6:30 p.m. - 10:00 a.m.

YTZ

LHR

10h 30m

1 stop

C$ 777Air Canada

Fri, 12 Jun - Fri, 11 Sep

3:40 p.m. - 10:05 p.m.

LGW

YYZ

11h 25m

1 stop

11:10 p.m. - 2:40 p.m.

YYZ

LGW

10h 30m

1 stop

C$ 778Icelandair

Wed, 7 Oct - Thu, 22 Oct

9:30 a.m. - 7:12 p.m.

LHR

YYZ

14h 42m

1 stop

8:15 p.m. - 8:35 a.m.

YYZ

LHR

7h 20mdirect

C$ 782Air Canada

Mon, 6 Jul - Tue, 21 Jul

9:50 a.m. - 4:15 p.m.

LCY

YYZ

11h 25m

1 stop

9:30 p.m. - 5:40 p.m.

YYZ

LCY

15h 10m

1 stop

C$ 881Lufthansa

Tue, 10 Nov - Tue, 17 Nov

7:45 a.m. - 7:15 p.m.

LCY

YYZ

16h 30m

1 stop

9:15 p.m. - 5:20 p.m.

YYZ

LCY

15h 05m

1 stop

C$ 925Virgin Atlantic

Tue, 3 Nov - Sun, 8 Nov

British Airways flights from London to Region of Ontario

Our best British Airways deals on London to Region of Ontario flight tickets

British Airways

22 Jun

LHR6:05 p.m.London Heathrow

7h 10m

YUL8:15 p.m.Montreal Pierre Elliott Trudeau Intl

11 Jul

YUL10:00 p.m.Montreal Pierre Elliott Trudeau Intl

6h 40m

LHR9:40 a.m.London Heathrow

C$ 899

British Airways

2 Sep

LCY1:45 p.m.London City

31h 05m

1 stop

YYZ3:50 p.m.Toronto Pearson Intl

9 Sep

YYZ5:35 p.m.Toronto Pearson Intl

11h 45m

1 stop

LCY10:20 a.m.London City

C$ 977

British Airways

26 May

LCY6:45 a.m.London City

14h 05m

1 stop

YYZ3:50 p.m.Toronto Pearson Intl

4 Jun

YYZ5:35 p.m.Toronto Pearson Intl

10h 00m

1 stop

LCY8:35 a.m.London City

C$ 1,067

TAP AIR PORTUGAL flights from London to Region of Ontario

Our best TAP AIR PORTUGAL deals on London to Region of Ontario flight tickets

TAP AIR PORTUGAL

8 Oct

LHR1:45 p.m.London Heathrow

12h 40m

1 stop

YYZ9:25 p.m.Toronto Pearson Intl

12 Oct

YYZ10:55 p.m.Toronto Pearson Intl

14h 55m

1 stop

LHR6:50 p.m.London Heathrow

C$ 789

TAP AIR PORTUGAL

28 Sep

LHR7:50 p.m.London Heathrow

23h 10m

1 stop

YYZ2:00 p.m.Toronto Pearson Intl

19 Oct

YYZ10:55 p.m.Toronto Pearson Intl

13h 50m

1 stop

LHR5:45 p.m.London Heathrow

C$ 792

TAP AIR PORTUGAL

25 Sep

LHR12:00 p.m.London Heathrow

14h 05m

1 stop

YYZ9:05 p.m.Toronto Pearson Intl

11 Oct

YYZ10:55 p.m.Toronto Pearson Intl

19h 00m

1 stop

LHR10:55 p.m.London Heathrow

C$ 796

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Sat 30/5

11:35 a.m.-8:15 p.m.

1 stop13h 40m

Toronto Island

Sat 6/6

8:25 a.m.-9:50 a.m.

1 stop20h 25m

C$ 773

LondonToronto

LTN - YYZ

LTNYYZ

London Luton

Wed 10/6

3:15 p.m.-5:10 p.m.

3 stops30h 55m

Toronto Pearson Intl

Fri 12/6

10:10 p.m.-5:25 p.m.

1 stop14h 15m

C$ 773

Quickest round-trip

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Thu 28/5

9:30 a.m.-3:10 p.m.

1 stop10h 40m

Toronto Pearson Intl

Sun 7/6

5:45 p.m.-9:55 a.m.

1 stop11h 10m

C$ 773

LondonToronto

STN - YYZ

STNYYZ

London Stansted

Sun 7/6

6:00 p.m.-1:20 p.m.

1 stop24h 20m

Toronto Pearson Intl

Sun 14/6

10:15 p.m.-3:20 p.m.

1 stop12h 05m

C$ 773

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Tue 1/9

3:40 p.m.-10:05 p.m.

1 stop11h 25m

Toronto Pearson Intl

Fri 11/9

11:10 p.m.-2:40 p.m.

1 stop10h 30m

C$ 774

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Fri 12/6

9:30 a.m.-5:52 p.m.

1 stop13h 22m

Toronto Island

Fri 11/9

6:30 p.m.-10:00 a.m.

1 stop10h 30m

C$ 777

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Wed 7/10

3:40 p.m.-10:05 p.m.

1 stop11h 25m

Toronto Pearson Intl

Thu 22/10

11:10 p.m.-2:40 p.m.

1 stop10h 30m

C$ 778

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Mon 6/7

9:30 a.m.-7:12 p.m.

1 stop14h 42m

Toronto Pearson Intl

Tue 21/7

8:15 p.m.-8:35 a.m.

Nonstop7h 20m

C$ 782

LondonToronto

LCY - YYZ

LCYYYZ

London City

Tue 10/11

9:50 a.m.-4:15 p.m.

1 stop11h 25m

Toronto Pearson Intl

Tue 17/11

9:30 p.m.-5:40 p.m.

1 stop15h 10m

C$ 881

LondonToronto

LCY - YYZ

LCYYYZ

London City

Tue 3/11

7:45 a.m.-7:15 p.m.

1 stop16h 30m

Toronto Pearson Intl

Sun 8/11

9:15 p.m.-5:20 p.m.

1 stop15h 05m

C$ 925

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Prices

Airlines

Other information

What is the cheapest month to fly to Region of Ontario?

In general, February is the cheapest month to fly from London to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 716. If you are unable to visit Region of Ontario during the month of February, then departing from London during the month September is also very affordable. Most momondo users find prices during this month for around C$ 730.

What is the cheapest day to depart on your flight to Region of Ontario?

The cheapest day to depart from London to Region of Ontario is on a Tuesday. Travellers who choose to depart for Region of Ontario on a Tuesday will often find tickets for as low as C$ 890. The most expensive day to fly to Region of Ontario is Saturday, with ticket prices averaging around C$ 1,004.

What is the cheapest time of day to depart on your flight to Region of Ontario?

Our most recent data shows that the best time of day to fly to Region of Ontario is in the morning. Flights from London to Region of Ontario during this time can be as low as C$ 902. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are C$ 986 on average. Flights to Region of Ontario from London in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest London to Ontario flight route?

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

How far in advance should I book a flight from London to Ontario?

You are more likely to see cheaper flights to Region of Ontario from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around C$ 880 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from London for as low as C$ 801 on momondo.

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

No. A direct flight is the cheapest option for a flight between London to Region of Ontario.

Cheap London to Region of Ontario flight deals and tips

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

Best price found	C$ 623
Fastest flight time	7h 10m
Direct flights	Every day
Airports in Region of Ontario	125 airports

The best one-way flight to Region of Ontario from London in the past 72 hours is C$ 623. The best round-trip flight deal from London to Region of Ontario found on momondo in the last 72 hours is C$ 661.

The fastest flight from London to Region of Ontario takes 7h 10m

Direct flights go from London to Region of Ontario every day.

There are 125 airports in Region of Ontario. From London there are direct flights to Montreal Pierre Elliott Trudeau Intl (YUL).

Search flight deals

Frequently asked questions about flying from London to Ontario

When did momondo last update prices for flights from London to Ontario?
Prices for flights from London to Ontario are updated daily.
How many operators does momondo search for flights from London to Ontario?
As of May 2026, there are 11 operators available to choose from for flights from London to Ontario.
How old do you have to be to fly from London to Ontario?
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 London to Ontario.
What documentation or ID do you need to fly to Ontario?
The travel and health documents required for your trip to Ontario 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 Ontario. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from London to Region of Ontario?
Based on momondo bookings for flights between London and Region of Ontario, the leading plane model is Airbus A350-1000, making up 28.22% of the total bookings. Other popular models include Airbus A321neo with 13.75%, Boeing 787-9 Dreamliner with 10.11%, and Airbus A330-200 with 9.94%.

Best airlines flying from London to Region of Ontario

Compare and see reviews for airlines that fly from London to Region of Ontario with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom C$ 413	Free Cancellation	Rating 7.0 654 reviews	Search Icelandair flights
Aer Lingus	PriceFrom C$ 436	Free Cancellation	Rating 7.3 1,561 reviews	Search Aer Lingus flights
Lufthansa	PriceFrom C$ 557	Free Cancellation	Rating 6.8 8,002 reviews	Search Lufthansa flights
Air Transat	PriceFrom C$ 603	Free Cancellation	Rating 7.8 552 reviews	Search Air Transat flights
TAP AIR PORTUGAL	PriceFrom C$ 621	Free Cancellation	Rating 7.2 2,250 reviews	Search TAP AIR PORTUGAL flights
British Airways	PriceFrom C$ 644	Free Cancellation	Rating 6.7 7,980 reviews	Search British Airways flights
Air Canada	PriceFrom C$ 646	Free Cancellation	Rating 7.1 11,041 reviews	Search Air Canada flights
Delta	PriceFrom C$ 653	Free Cancellation	Rating 7.9 8,456 reviews	Search Delta flights
American Airlines	PriceFrom C$ 705	Free Cancellation	Rating 7.1 11,666 reviews	Search American Airlines flights
Virgin Atlantic	PriceFrom C$ 710	Free Cancellation	Rating 7.4 688 reviews	Search Virgin Atlantic flights

Why use momondo?

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

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

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

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

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

Once all potential London to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from London to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.

An easier way to manage your Region of Ontario trip

We make it super easy to schedule, organize 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

Sat 13/6

Sat 20/6

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ontario

Popular cities

Other flights from London

Other flights to Ontario

Airlines

Complete your trip

Feeling lucky

Popular Cities in Ontario

Flights to Torontofrom C$ 185

Flights to Vancouverfrom C$ 103

Flights to Montrealfrom C$ 262

Flights to Calgaryfrom C$ 160

Flights to Winnipegfrom C$ 197

Flights to Ottawafrom C$ 214

Flights to Halifaxfrom C$ 195

Flights to Kelownafrom C$ 145

Flights to Saskatoonfrom C$ 195

Flights to Reginafrom C$ 199

Flights to St. John'sfrom C$ 274

Flights to Québec Cityfrom C$ 241

Cheap flights from London to Ontario from C$ 466

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Ontario departing on 15/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from London to Ontario

Cheap round-trip flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

British Airways flights from London to Region of Ontario

Our best British Airways deals on London to Region of Ontario flight tickets

TAP AIR PORTUGAL flights from London to Region of Ontario

Our best TAP AIR PORTUGAL deals on London to Region of Ontario flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from London to Ontario that are best for you.

See travel insights to Ontario from

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

What is the cheapest month to fly to Region of Ontario?

What is the cheapest day to depart on your flight to Region of Ontario?

What is the cheapest time of day to depart on your flight to Region of Ontario?

What is the cheapest London to Ontario flight route?

How far in advance should I book a flight from London to Ontario?

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

What is the cheapest airline that flies from London to Ontario?

Which airlines fly to Region of Ontario?

How many flights depart from London to Region of Ontario on average per day?

How many flights depart from London to Region of Ontario on average per week?

Cheap London to Region of Ontario flight deals and tips

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

Best price found

Fastest flight time

Direct flights

Airports in Region of Ontario

Frequently asked questions about flying from London to Ontario

Best airlines flying from London to Region of Ontario

Compare and see reviews for airlines that fly from London to Region of Ontario with momondo

Why use momondo?

An easier way to manage your Region of Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Ontario

Popular Cities in Ontario

Popular flights according to clicks in the last 7 days on momondo

London flight routes

According to popular flight searches on momondo this year

Region of Ontario flight routes

According to popular flight searches on momondo this year

Fly your favourite airline to Ontario

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Complete your trip to Ontario

Explore popular destinations other users love

According to popular flight searches on momondo this year