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£363+ 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 25/7. Fares are subject to change and may not be available on all flights or dates of travel.
— YXU
18 Jun — 25 Jun1
1 adult

Flights to London, ON in 2025

Find the latest flights to London in 2025, 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 13 June 2025.

Return from

£575

One-way from

£363

Popular in

December

Cheapest in

March

Average price

£596
Air Canada
  • Air Canada
  • 2/7-15/7
  • 4 total stops
  • 28h 12m total
  • London to London
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25/7
  • 25/7
  • 3 total stops
  • 49h 44m total
  • London to London
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£89 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease (£26 potential savings vs. average return price).
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Average for return flights in June 2025
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Find flight deals to London

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 13 June 2025.

Wed 2/709:30LHR - YXU
2 stops12h 37mAir Canada
Tue 15/709:55YXU - LHR
2 stops15h 35mAir Canada
Deal found 12/6£575
Wed 2/708:30LHR - YXU
1 stop13h 37mMultiple Airlines
Tue 15/717:45YXU - LHR
1 stop9h 50mMultiple Airlines
Deal found 12/6£584
Wed 2/709:40LGW - YXU
1 stop12h 27mMultiple Airlines
Tue 15/709:55YXU - LGW
2 stops18h 55mMultiple Airlines
Deal found 10/6£681
Tue 1/714:10LHR - YXU
2 stops24h 07mUnited Airlines
Fri 11/715:40YXU - LHR
2 stops12h 40mUnited Airlines
Deal found 11/6£686
Wed 2/719:15LHR - YXU
3 stops26h 52mSWISS
Tue 15/717:45YXU - LHR
3 stops17h 50mSWISS
Deal found 12/6£692
Tue 1/708:15STN - YXU
3 stops41h 45mMultiple Airlines
Fri 11/706:00YXU - STN
2 stops31h 25mMultiple Airlines
Deal found 11/6£777
Wed 2/718:35LGW - YXU
2 stops51h 32mSWISS
Tue 15/717:45YXU - LGW
2 stops19h 05mSWISS
Deal found 9/6£826
Wed 2/713:05LCY - YXU
2 stops57h 02mSWISS
Tue 15/717:45YXU - LCY
2 stops34h 05mSWISS
Deal found 9/6£847
Sun 27/717:50LCY - YXU
2 stops32h 37mMultiple Airlines
Sun 3/815:35YXU - LCY
2 stops19h 50mMultiple Airlines
Deal found 12/6£926
Sat 26/710:45LGW - YXU
2 stops23h 29mWestJet
Sat 2/806:00YXU - LGW
2 stops46h 15mWestJet
Deal found 11/6£1,627
Sun 27/706:15LHR - YXU
2 stops41h 54mWestJet
Sun 3/820:00YXU - LHR
1 stop35h 05mWestJet
Deal found 12/6£1,634

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 13 June 2025.
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

Wed 2/7

09:30-17:07

2 stops12h 37m

London

Tue 15/7

09:55-06:30

2 stops15h 35m

£575

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Wed 2/7

08:30-17:07

1 stop13h 37m

London

Tue 15/7

17:45-08:35

1 stop9h 50m

£584

LondonLondon

LGW - YXU

LGWYXU

London Gatwick

Wed 2/7

09:40-17:07

1 stop12h 27m

London

Tue 15/7

09:55-09:50

2 stops18h 55m

£681

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Tue 1/7

14:10-09:17

2 stops24h 07m

London

Fri 11/7

15:40-09:20

2 stops12h 40m

£686

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Wed 2/7

19:15-17:07

3 stops26h 52m

London

Tue 15/7

17:45-16:35

3 stops17h 50m

£692

LondonLondon

STN - YXU

STNYXU

London Stansted

Tue 1/7

08:15-21:00

3 stops41h 45m

London

Fri 11/7

06:00-18:25

2 stops31h 25m

£777

LondonLondon

LGW - YXU

LGWYXU

London Gatwick

Wed 2/7

18:35-17:07

2 stops51h 32m

London

Tue 15/7

17:45-17:50

2 stops19h 05m

£826

LondonLondon

LCY - YXU

LCYYXU

London City

Wed 2/7

13:05-17:07

2 stops57h 02m

London

Tue 15/7

17:45-08:50

2 stops34h 05m

£847

LondonLondon

LCY - YXU

LCYYXU

London City

Sun 27/7

17:50-21:27

2 stops32h 37m

London

Sun 3/8

15:35-16:25

2 stops19h 50m

£926

LondonLondon

LGW - YXU

LGWYXU

London Gatwick

Sat 26/7

10:45-05:14

2 stops23h 29m

London

Sat 2/8

06:00-09:15

2 stops46h 15m

£1,627

Flights are sorted by cheapest return flights first.

Deals found on 10/6

Showing 1-10 of 21 results
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2
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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 21 hours 52 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 £609

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 13 June 2025.
Peruse reviews from past customers who have flown SWISS, United Airlines and WestJet to London to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.5
Good
1,624 reviews
Check prices

Food

7.0

Boarding

7.6

Entertainment

6.7

Overall

7.5

Comfort

7.4

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
SWISS
7.5
Good
1,624 reviews
SWISS
7.5
Good
1,624 reviews
Check prices

Food

7.0

Boarding

7.6

Entertainment

6.7

Overall

7.5

Comfort

7.4

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
United Airlines
7.4
Good
8,790 reviews
SWISS
7.5
Good
1,624 reviews
Check prices

Food

7.0

Boarding

7.6

Entertainment

6.7

Overall

7.5

Comfort

7.4

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
WestJet
7.2
Good
2,869 reviews
SWISS
7.5
Good
1,624 reviews
Check prices

Food

7.0

Boarding

7.6

Entertainment

6.7

Overall

7.5

Comfort

7.4

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
Air Canada
7.1
Good
9,539 reviews
SWISS
7.5
Good
1,624 reviews
Check prices

Food

7.0

Boarding

7.6

Entertainment

6.7

Overall

7.5

Comfort

7.4

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
Lufthansa
6.8
Okay
7,139 reviews
SWISS
7.5
Good
1,624 reviews
Check prices

Food

7.0

Boarding

7.6

Entertainment

6.7

Overall

7.5

Comfort

7.4

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

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 (13 hours 37 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. Best Western London Airport Inn & Suites is the closest property to London (1.0 mi away from London).

See more FAQs

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