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£256+ Cheap flights to London, Ontario

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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
— YXU
28 Feb — 7 Mar1
1 adult
1 adult, Economy, 0 bags

Flights to London, ON in 2026

Enter your travel dates to find the best prices.

Cheapest flights to London
Explore the most affordable flight options available to London. Find the lowest fares based on data from user searches, with prices last updated on 29 January 2026.

Fri 13/309:00
LHR
-
YXU
2 stops16h 21m
Air Canada
Fri 20/309:40
YXU
-
LHR
1 stop16h 50m
Air Canada
Deal found 27/1£394
Wed 11/309:00
LHR
-
YXU
2 stops16h 21m
Air Canada
Wed 18/317:40
YXU
-
LHR
1 stop13h 40m
Air Canada
Deal found 27/1£398
Sat 14/318:40
LGW
-
YXU
2 stops30h 41m
SWISS
Sat 21/317:40
YXU
-
LGW
2 stops20h 10m
SWISS
Deal found 28/1£427
Wed 29/409:15
LGW
-
YXU
2 stops28h 28m
Multiple Airlines
Wed 6/518:10
YXU
-
LGW
2 stops33h 15m
Multiple Airlines
Deal found 26/1£433
Tue 10/309:15
LCY
-
YXU
2 stops16h 06m
SWISS
Tue 17/317:40
YXU
-
LCY
2 stops15h 15m
SWISS
Deal found 27/1£445
Fri 13/309:55
LCY
-
YXU
2 stops35h 10m
Lufthansa
Fri 20/317:40
YXU
-
LCY
2 stops43h 00m
Lufthansa
Deal found 27/1£447
Tue 10/318:40
LGW
-
YXU
2 stops30h 41m
SWISS
Tue 17/317:40
YXU
-
LGW
2 stops20h 10m
SWISS
Deal found 27/1£459
Wed 11/309:20
LCY
-
YXU
2 stops16h 01m
Multiple Airlines
Wed 18/317:40
YXU
-
LCY
2 stops20h 00m
Multiple Airlines
Deal found 27/1£474
Thu 12/318:40
LGW
-
YXU
2 stops30h 41m
Multiple Airlines
Thu 19/317:40
YXU
-
LGW
2 stops20h 10m
Multiple Airlines
Deal found 28/1£499
Sat 14/318:40
LGW
-
YXU
2 stops30h 41m
Multiple Airlines
Sat 21/317:40
YXU
-
LGW
2 stops20h 10m
Multiple Airlines
Deal found 28/1£504
Tue 10/309:50
LCY
-
YXU
2 stops15h 31m
Lufthansa
Tue 17/317:40
YXU
-
LCY
2 stops19h 55m
Lufthansa
Deal found 29/1£542
Sun 15/318:40
LGW
-
YXU
2 stops30h 41m
Multiple Airlines
Sun 22/305:10
YXU
-
LGW
2 stops32h 40m
Multiple Airlines
Deal found 29/1£551

Find flight deals to London

Find the latest flights to London in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 29 January 2026.

Return from

£394

One-way from

£256

Popular in

August

Cheapest in

January

Average price

£418
Air Canada
  • Air Canada
  • 13/3-20/3
  • 3 total stops
  • 33h 11m total
  • London to London
Search Deals
12/3
  • 12/3
  • 3 total stops
  • 28h 05m total
  • London to London
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£30 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for return flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Locate flights to London that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 29 January 2026.
Use the filters below to find and compare flights to London that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Fri 13/3

09:00-21:21

2 stops16h 21m

London

Fri 20/3

09:40-06:30

1 stop16h 50m

£394

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Wed 11/3

09:00-21:21

2 stops16h 21m

London

Wed 18/3

09:40-07:10

2 stops17h 30m

£400

LondonLondon

LGW - YXU

LGWYXU

London Gatwick

Sat 14/3

18:40-21:21

2 stops30h 41m

London

Sat 21/3

17:40-17:50

2 stops20h 10m

£427

LondonLondon

LGW - YXU

LGWYXU

London Gatwick

Wed 29/4

09:15-08:43

2 stops28h 28m

London

Wed 6/5

18:10-08:25

2 stops33h 15m

£433

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Fri 13/3

11:10-21:21

1 stop14h 11m

London

Fri 20/3

17:40-08:30

1 stop10h 50m

£442

LondonLondon

LCY - YXU

LCYYXU

London City

Tue 10/3

09:15-21:21

2 stops16h 06m

London

Tue 17/3

17:40-12:55

2 stops15h 15m

£445

LondonLondon

LCY - YXU

LCYYXU

London City

Fri 13/3

09:55-17:05

2 stops35h 10m

London

Fri 20/3

17:40-16:40

2 stops43h 00m

£447

LondonLondon

LGW - YXU

LGWYXU

London Gatwick

Tue 10/3

18:40-21:21

2 stops30h 41m

London

Tue 17/3

17:40-17:50

2 stops20h 10m

£459

LondonLondon

LCY - YXU

LCYYXU

London City

Wed 11/3

09:20-21:21

2 stops16h 01m

London

Wed 18/3

17:40-17:40

2 stops20h 00m

£474

LondonLondon

LCY - YXU

LCYYXU

London City

Tue 10/3

09:50-21:21

2 stops15h 31m

London

Tue 17/3

17:40-17:35

2 stops19h 55m

£542

Flights are sorted by cheapest return flights first.

Deals found on 28/1

Showing 1-10 of 39 results
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Best time to book a flight to London

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

How long is the flight to London?

On average, a flight from London to London takes 18 hours 12 minutes. Flights to London from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to London?

The most popular airline flying from London to London is Air Canada.

Air Canada
Air Canada
From £414

What are the cheapest airlines that fly to London?

The cheapest airline flying from London to London is Air Canada.

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London ranges from 70.0 - 100.0 inches per month. January is typically the wettest month, when rainfall can reach 100.0 mm. March is typically the driest time to visit London when rainfall is around 70.0 mm.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, 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 20.0 C. Travellers hoping to avoid the cold should look outside of February, when temperatures are typically at their lowest (around -6.0 C).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 29 January 2026.
Check out reviews from past customers who have flown Air Canada to Canada to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,667 reviews
Check prices

Overall

7.1

Entertainment

6.8

Boarding

7.3

Crew

7.8

Comfort

7.1

Food

6.3

Reviews

1 / 20
4.0
Okay

Sugith,Jan 2026

YSB - YYZ

Left 2 hours late. Stuck on plane for an hour after boarding before take off.
Air Canada
7.1
Good
10,667 reviews
Air Canada
7.1
Good
10,667 reviews
Check prices

Overall

7.1

Entertainment

6.8

Boarding

7.3

Crew

7.8

Comfort

7.1

Food

6.3

Reviews

1 / 20
4.0
Okay

Sugith,Jan 2026

YSB - YYZ

Left 2 hours late. Stuck on plane for an hour after boarding before take off.

FAQs about flying to London

London insider information

  • Storybook Gardens has the type of entrance gate you would expect – a turreted castle. There are 54 attractions and eight “chapters” of interactive fun including Storybook Valley, Pirates’ Island and Old McDonald’s Farm. The Storybook Mascots – Slippery Seal, Lucy Seal, Waagosh the fox, and Pirate Pete the parrot – that wander around the grounds delight younger visitors.
  • Covent Garden Market is one of London’s most treasured landmarks. Established in 1845, it sells the best of the area’s organic foods, meats, ethnic foods and Southwestern Ontario’s largest selection of cheese. The outdoor farmers’ market takes place on Thursdays and Saturdays (May to November). There’s a lively busker program and the market hosts several festivals throughout the year.
  • Eldon House is London’s oldest residence. This splendid residence was built in 1834 for Captain John and Amelia Harris and given to the city in 1959, complete with family furnishings. Its recreated 19th-century gardens are beautiful and host traditional afternoon teas in the summer time.

  • What is the climate like in London?

    The climate is continental. Summers (June to August) are warm to hot and humid. The winters are cold. London has the most thunderstorms of any Canadian city.

  • When is the best time to fly to London?

    Peak Season:The summer months of June to August are high season. This is when most travellers visit London as the weather is at its best and school holidays take place. Off Season:Winter is generally the low season due to the cold weather.

  • What is the best way to travel around London?

    For travellers who intend to travel around Ontario, renting a car is best. London is an easily navigable city with a north-south/east-west grid layout. The London Transit Commission offers regular bus services throughout the city. There are well-marked bike and walking trails throughout London as well if you prefer a more active way of exploring the city.

  • What airport do you fly into for flights to London?

    If you book a flight to London, you will be flying into London, which is the city’s only airport. London (YXU) is located 5.3 mi from the center of London.

  • Can I find cheaper flights to London if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to London on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to London?

    Based on reviews from Cheapflights users, Air Canada is rated the highest out of the airlines that fly to London.

  • Where does the fastest flight to London depart from?

    For those looking to save time traveling to London, London offers the quickest one-way flight (14 hours 0 minutes).

  • Does London have car hire?

    Yes. Those touching down at London can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to London?

    Yes. London has hotels nearby for those requiring accommodations. Cozy Cabin retreat is the closest property to London (1.0 mi away from London).

See more FAQs

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Cheapflights helps you search for flights to London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

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 London.

Can Cheapflights find flights to London with no change fees?

Yes, we can. To see specific flights to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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Of course! You can track prices for flights to London 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 to set up your price alerts.

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