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

Air Transat, KLM, and United Airlines can get you from London to Region of Ontario in just under 10h 40m. Your travel time can differ by up to 6h 36m. There are 3543 mi between London and Region of Ontario. This flight may include one or multiple stops.

What are the cheapest airlines to fly from London to Region of Ontario one-way?

The cheapet airlines for a one-way flight from London to Region of Ontario are Icelandair (£148), KLM (£183), and Air Transat (£210).

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 inches per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

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

The most popular route from London to Region of Ontario is London Heathrow - Toronto Pearson Intl. You may also consider London Gatwick - Toronto Pearson Intl or London Heathrow - Toronto Island.

What are the cheapest flights from London to Region of Ontario?

The cheapest flight price from London to Region of Ontario is £318. On average you can expect to pay £1,446. The most popular route, (London Heathrow - Toronto Pearson Intl), can usually be booked for £274.

What are the most reliable airlines from London to Region of Ontario?

The top 3 most reliable airlines when flying from London to Region of Ontario are MEA (94%), Singapore Airlines (93%) and SriLankan Airlines (88%).

What are the most popular airlines that fly from London to Region of Ontario?

Air Canada, Lufthansa and Air Transat are the most popular airlines when flying from London to Region of Ontario.

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

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

How can I find direct flights from London to Ontario?

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

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

Yes. Cheapflights offers flight deals from London 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.

£240+ Cheap Flights from London to Ontario

Cheap flight deals from London to Ontario

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from London to Ontario
Explore the most affordable flight options available from London to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 October 2026.

Thu 29/1013:25 -

1 stop12h 20m

Thu 5/1117:35 -

1 stop10h 45m

Deal found 29/9£359

Sat 7/1111:40 -

Nonstop8h 20m

Tue 2/221:35 -

Nonstop7h 10m

Deal found 29/9£359

Sun 1/1106:50 -

2 stops18h 06m

Sun 29/1118:55 -

1 stop30h 35m

Deal found 29/9£359

Wed 4/1106:00 -

1 stop12h 45m

Mon 9/1107:10 -

2 stops32h 50m

Deal found 29/9£360

Tue 1/1207:45 -

2 stops15h 30m

Tue 8/1219:40 -

2 stops19h 20m

Deal found 30/9£360

Mon 23/1122:35 -

2 stops24h 40m

Mon 30/1119:40 -

2 stops21h 15m

Deal found 29/9£360

Sat 14/1109:05 -

1 stop12h 10m

Tue 17/1120:25 -

1 stop30h 15m

Deal found 29/9£360

Wed 4/1113:00 -

1 stop13h 36m

Fri 20/1116:35 -

1 stop9h 35m

Deal found 29/9£360

Fri 9/1014:05 -

1 stop10h 48m

Fri 16/1018:35 -

Nonstop7h 00m

Deal found 28/9£360

Wed 21/1015:40 -

1 stop11h 25m

Sat 24/1023:25 -

1 stop10h 15m

Deal found 29/9£360

Thu 8/1009:30 -

1 stop10h 30m

Wed 14/1018:55 -

1 stop8h 40m

Deal found 29/9£360

Fri 9/1009:40 -

1 stop11h 50m

Tue 13/1016:55 -

1 stop11h 55m

Deal found 26/9£361

Best flights from London to Ontario
Discover carefully curated flight deals from London to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 October 2026.

Fri 16/1009:40 -

1 stop11h 50m

Fri 23/1016:55 -

1 stop10h 00m

Deal found 28/9£362

Wed 11/1110:00 -

1 stop10h 40m

Thu 11/321:45 -

Nonstop7h 05m

Deal found 28/9£364

Mon 12/1017:50 -

1 stop11h 30m

Fri 30/1018:25 -

1 stop9h 30m

Deal found 27/9£388

Tue 10/1111:10 -

2 stops17h 16m

Tue 17/1118:40 -

1 stop10h 45m

Deal found 29/9£394

Wed 18/1110:00 -

1 stop11h 10m

Sun 22/1114:20 -

2 stops20h 25m

Deal found 29/9£425

Mon 9/1109:00 -

2 stops14h 45m

Mon 16/1110:35 -

2 stops24h 45m

Deal found 27/9£426

Wed 14/1017:50 -

Nonstop7h 50m

Sun 18/1023:30 -

1 stop27h 25m

Deal found 30/9£431

Sun 17/107:40 -

2 stops19h 56m

Sun 7/211:15 -

1 stop16h 15m

Deal found 28/9£449

Thu 15/1021:25 -

1 stop29h 40m

Mon 19/1020:45 -

1 stop10h 10m

Deal found 30/9£528

Sat 7/1115:35 -

2 stops29h 05m

Fri 13/1117:10 -

1 stop17h 50m

Deal found 29/9£532

Sat 21/1116:35 -

2 stops34h 06m

Sat 28/1117:25 -

2 stops22h 15m

Deal found 30/9£572

Thu 24/1219:20 -

1 stop24h 40m

Sat 9/117:10 -

1 stop9h 45m

Deal found 30/9£573

Wed 4/1118:40 -

2 stops28h 11m

Wed 18/1108:30 -

2 stops28h 20m

Deal found 27/9£587

Mon 8/210:55 -

1 stop36h 25m

Mon 1/320:15 -

1 stop32h 40m

Deal found 27/9£724

Wed 14/1011:35 -

1 stop27h 46m

Thu 15/1019:05 -

1 stop31h 50m

Deal found 26/9£386

Tue 27/1007:30 -

2 stops14h 38m

Tue 3/1116:20 -

2 stops13h 30m

Deal found 26/9£394

Mon 12/1017:50 -

Nonstop7h 50m

Tue 20/1014:26 -

1 stop11h 44m

Deal found 27/9£399

Thu 15/1006:00 -

2 stops16h 08m

Mon 19/1005:15 -

2 stops30h 10m

Deal found 26/9£434

Tue 10/1109:00 -

2 stops14h 45m

Tue 17/1110:35 -

1 stop16h 55m

Deal found 26/9£438

Wed 28/1006:50 -

2 stops16h 07m

Wed 4/1112:05 -

1 stop14h 50m

Deal found 27/9£402

Mon 12/1017:50 -

1 stop11h 30m

Fri 30/1018:25 -

2 stops13h 40m

Deal found 26/9£411

Fri 13/1106:00 -

2 stops21h 36m

Fri 20/1117:15 -

1 stop13h 05m

Deal found 29/9£435

Sat 21/1118:45 -

1 stop22h 05m

Sat 28/1119:55 -

1 stop17h 35m

Deal found 30/9£439

Sat 12/1207:40 -

1 stop14h 07m

Tue 12/114:00 -

1 stop11h 20m

Deal found 29/9£418

Tue 10/1109:00 -

2 stops14h 45m

Tue 17/1110:35 -

2 stops21h 25m

Deal found 26/9£437

Wed 7/1008:30 -

Nonstop7h 45m

Wed 14/1018:35 -

Nonstop7h 00m

Deal found 30/9£529

Wed 18/1109:30 -

2 stops29h 41m

Sun 22/1111:20 -

2 stops20h 40m

Deal found 28/9£440

Thu 15/1021:05 -

2 stops23h 35m

Tue 20/1017:10 -

2 stops16h 25m

Deal found 26/9£554

Sat 21/1112:05 -

1 stop11h 52m

Sat 28/1116:00 -

2 stops13h 50m

Deal found 27/9£425

Wed 16/1209:35 -

2 stops34h 10m

Wed 6/122:45 -

2 stops30h 15m

Deal found 27/9£579

Find flight deals from London to Ontario

Round-trip from	£359
One-way from	£240
Popular in	August
Cheapest in	February
Average price	£458
Good round-trip deal	£384 or less
Good one-way deal	£260 or less

Air Canada
29/10-5/11
1 total stop
18h 45m total
London to Ontario

Search Deals

11/12-31/12
1 total stop
34h 15m total
London to Ontario

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£42 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Price to beat on a round-trip flight from London (LON) to Ontario.

Search Deals

Price to beat on a one-way flight from London (LON) to Ontario.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonToronto

LTN London Luton - YYZ Toronto Pearson Intl

LTNYYZ

London Luton

Fri 11/12

09:25-12:30

1 stop32h 05m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£242

Fastest return journey

LondonToronto

LGW London Gatwick - YYZ Toronto Pearson Intl

LGWYYZ

London Gatwick

Thu 12/11

11:40-15:00

Nonstop8h 20m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£260

LondonToronto

LGW London Gatwick - YYZ Toronto Pearson Intl

LGWYYZ

London Gatwick

Wed 4/11

11:40-15:00

Nonstop8h 20m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£260

LondonToronto

LGW London Gatwick - YYZ Toronto Pearson Intl

LGWYYZ

London Gatwick

Fri 18/12

06:05-12:30

1 stop35h 25m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£261

LondonToronto

LTN London Luton - YYZ Toronto Pearson Intl

LTNYYZ

London Luton

Fri 5/2

17:10-12:05

1 stop23h 55m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£262

LondonToronto

LTN London Luton - YYZ Toronto Pearson Intl

LTNYYZ

London Luton

Fri 18/12

07:15-12:30

1 stop34h 15m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£262

LondonToronto

LTN London Luton - YYZ Toronto Pearson Intl

LTNYYZ

London Luton

Fri 12/2

07:15-12:30

1 stop34h 15m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£268

LondonToronto

LGW London Gatwick - YYZ Toronto Pearson Intl

LGWYYZ

London Gatwick

Mon 2/11

07:00-14:05

1 stop12h 05m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£273

LondonToronto

STN London Stansted - YYZ Toronto Pearson Intl

STNYYZ

London Stansted

Mon 30/11

09:10-15:50

2 stops35h 40m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£277

LondonToronto

LGW London Gatwick - YYZ Toronto Pearson Intl

LGWYYZ

London Gatwick

Wed 9/12

09:35-14:45

2 stops34h 10m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£292

Flights are sorted by cheapest return flights first.

Deals found on 26/9

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from London to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from London with our price prediction graph.

LTN-YYZ

LGW-YYZ

LHR-YTZ

LHR-YYZ

LGW-YOW

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 to Ontario

LON-CAON

LTN-YYZ

LGW-YYZ

LHR-YTZ

LHR-YYZ

What is the cheapest month to book a flight from London to Region of Ontario?

Currently, February is the cheapest month in which you can book a flight from London to Region of Ontario (average of £413). Flying from London to Region of Ontario in August is currently the most expensive (average of £624). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LON to ON?

When flying from London to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from London to Region of Ontario

The most flights from LON to CAON are scheduled on a Monday (42 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (21 on average).

How much does it cost for a return flight from London to Region of Ontario?

Airfare is below average for this route at the moment.

London to Region of Ontario flights typically cost between £403 and £563 in October.
The cheapest return price found within the last 5 days was £359 on Air Canada (29 Oct–5 Nov).

How far ahead should I book a flight from London to Region of Ontario?

Booking 43 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Region of Ontario. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Ontario

Read reviews from past customers who have flown with Air Transat,Virgin Atlantic, andAir Canada from London to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Air Transat

7.7

Good

582 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.

Air Transat

7.7

Good

582 reviews

Air Transat

7.7

Good

582 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.

Virgin Atlantic

7.4

Good

694 reviews

Air Transat

7.7

Good

582 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.

Air Canada

7.1

Good

11,707 reviews

Air Transat

7.7

Good

582 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.

Icelandair

6.9

Okay

756 reviews

Air Transat

7.7

Good

582 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.

Lufthansa

6.8

Okay

8,252 reviews

Air Transat

7.7

Good

582 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.

Related info for your journey

How long is the flight from London to Region of Ontario?
Air Transat, KLM, and United Airlines can get you from London to Region of Ontario in just under 10h 40m. Your travel time can differ by up to 6h 36m. There are 3543 mi between London and Region of Ontario. This flight may include one or multiple stops.
What are the cheapest airlines to fly from London to Region of Ontario one-way?
The cheapet airlines for a one-way flight from London to Region of Ontario are Icelandair (£148), KLM (£183), and Air Transat (£210).
What are the most popular routes from London to Region of Ontario?
The most popular route from London to Region of Ontario is London Heathrow - Toronto Pearson Intl. You may also consider London Gatwick - Toronto Pearson Intl or London Heathrow - Toronto Island.
What are the most reliable airlines from London to Region of Ontario?
The top 3 most reliable airlines when flying from London to Region of Ontario are MEA (94%), Singapore Airlines (93%) and SriLankan Airlines (88%).
What are the cheapest flights from London to Region of Ontario?
The cheapest flight price from London to Region of Ontario is £318. On average you can expect to pay £1,446. The most popular route, (London Heathrow - Toronto Pearson Intl), can usually be booked for £274.
Can I find deals for flights from London to Ontario that include hotel bookings?
Yes. In addition to deals on London to Ontario flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Ontario.
Can I find deals for business class flights from London to Ontario?
Yes. Cheapflights offers flight deals from London 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.
What is the cheapest month to book a flight from London to Region of Ontario?
Currently, February is the cheapest month in which you can book a flight from London to Region of Ontario (average of £413). Flying from London to Region of Ontario in August is currently the most expensive (average of £624). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to Canada

Flights by cabin class

Other flight options

Popular flights

Top destinations

Alternative routes for London to Ontario

Heathrow to Pearson Intl flights

Heathrow to Vancouver Intl flights

Gatwick to Pearson Intl flights

London City to Pearson Intl flights

Heathrow to Toronto Island flights

Stansted to Pearson Intl flights

Luton to Pearson Intl flights

Heathrow to Calgary flights

Gatwick to Vancouver Intl flights

Heathrow to Pierre Elliott Trudeau Intl flights

London City to Vancouver Intl flights

Gatwick to Toronto Island flights

Stansted to Vancouver Intl flights

Heathrow to Abbotsford flights

Gatwick to Pierre Elliott Trudeau Intl flights

Gatwick to Calgary flights

London City to Calgary flights

Stansted to Pierre Elliott Trudeau Intl flights

Heathrow to Halifax flights

London City to Pierre Elliott Trudeau Intl flights

Luton to Pierre Elliott Trudeau Intl flights

Edinburgh to Pearson Intl flights

Manchester to Pearson Intl flights

Luton to Calgary flights

Southend to Pearson Intl flights

Luton to Vancouver Intl flights

Manchester to Toronto Island flights

Stansted to Calgary flights

Manchester to Vancouver Intl flights

Heathrow to Ottawa flights

Edinburgh to Toronto Island flights

Gatwick to Halifax flights

Gatwick to Abbotsford flights

Heathrow to Edmonton flights

London City to Halifax flights

Gatwick to Edmonton flights

London City to Edmonton flights

Gatwick to Ottawa flights

Manchester to Abbotsford flights

Edinburgh to Vancouver Intl flights

London City to Ottawa flights

Manchester to Calgary flights

Heathrow to Winnipeg flights

Stansted to Halifax flights

Manchester to Halifax flights

Stansted to Edmonton flights

Birmingham to Vancouver Intl flights

Birmingham to Pearson Intl flights

Top 10 airlines flying from London to Ontario

Airline	Cheapest	Average	Flexibility	On-time
ITA Airways	Cheapest£267	Average£681	FlexibilityNo cancel fee	On-time81%	Search ITA Airways flights
Icelandair	Cheapest£276	Average£422	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Air Canada	Cheapest£323	Average£595	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
TAP AIR PORTUGAL	Cheapest£339	Average£568	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Air Transat	Cheapest£344	Average£519	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
Virgin Atlantic	Cheapest£345	Average£559	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Finnair	Cheapest£363	Average£829	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Lufthansa	Cheapest£364	Average£571	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
WestJet	Cheapest£365	Average£561	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
British Airways	Cheapest£366	Average£540	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

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

When you search for this flight from London to Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Millions of users choose and trust Cheapflights to book the best flight deals from London to Ontario for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Certainly. Search results for flights to Ontario from London 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 London to Ontario become cheaper?

Of course! You can now track prices for flights from London 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.

Cheap flights from London to Ontario from £240

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Ontario

Cheapest flights from London to OntarioExplore the most affordable flight options available from London to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 October 2026.

Explore the most affordable flight options available from London to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 October 2026.

Best flights from London to OntarioDiscover carefully curated flight deals from London to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 October 2026.

Discover carefully curated flight deals from London to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 October 2026.

Direct flights from London to OntarioExplore direct flight options from London to Ontario based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 October 2026.

Explore direct flight options from London to Ontario based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 October 2026.

Last-minute flights from London to OntarioDiscover last-minute flight deals from London to Ontario. Data last updated 1 October 2026 and is based on user searches.

Discover last-minute flight deals from London to Ontario. Data last updated 1 October 2026 and is based on user searches.

One-way flights from London to OntarioSearch for one-way flight options from London to Ontario. Find affordable one-way fares based on user searches. Data last updated 1 October 2026.

Search for one-way flight options from London to Ontario. Find affordable one-way fares based on user searches. Data last updated 1 October 2026.

Find flight deals from London to Ontario

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

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

Best time to book a flight from London to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from London with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from London to Region of Ontario?

What is the cheapest time of day to fly from LON to ON?

Find hourly flight availability from London to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 October 2026.

When flying from London to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from London to Region of Ontario

Explore weekly flight availability from London to Ontario. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 1 October 2026.

The most flights from LON to CAON are scheduled on a Monday (42 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (21 on average).

How much does it cost for a return flight from London to Region of Ontario?

Airfare is below average for this route at the moment.

London to Region of Ontario flights typically cost between £403 and £563 in October.The cheapest return price found within the last 5 days was £359 on Air Canada (29 Oct–5 Nov).

How far ahead should I book a flight from London to Region of Ontario?

Booking 43 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Region of Ontario. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Ontario

Read reviews from past customers who have flown with Air Transat,Virgin Atlantic, andAir Canada from London to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What are the cheapest airlines to fly from London to Region of Ontario one-way?

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

What are the most reliable airlines from London to Region of Ontario?

What are the cheapest flights from London to Region of Ontario?

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

How can I find direct flights from London to Ontario?

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

What is the cheapest month to book a flight from London to Region of Ontario?

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 London to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Ontario by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Canada

Book a non-stop flight to one of these other cities located in Canada.

Search flights from London to Ontario by cabin class

Find flights from London to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.

London and Ontario flights

Browse other London and Ontario flight options. Last updated on 1 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

London to Ontario flights

Consider these flights travelling from London to Ontario.

Top 10 airlines flying from London to Ontario

Fly with Cheapflights

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

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

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

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from London to Ontario
Explore the most affordable flight options available from London to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 October 2026.

Best flights from London to Ontario
Discover carefully curated flight deals from London to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 October 2026.

Direct flights from London to Ontario
Explore direct flight options from London to Ontario based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 October 2026.

Last-minute flights from London to Ontario
Discover last-minute flight deals from London to Ontario. Data last updated 1 October 2026 and is based on user searches.

One-way flights from London to Ontario
Search for one-way flight options from London to Ontario. Find affordable one-way fares based on user searches. Data last updated 1 October 2026.

London to Region of Ontario flights typically cost between £403 and £563 in October.
The cheapest return price found within the last 5 days was £359 on Air Canada (29 Oct–5 Nov).