Find flights
Airlines
Travel Guide

£374+ Cheap flights to London, Ontario

— YXU
3 Nov — 10 Nov1
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

Fri 13/1106:35 -
2 stops20h 17m
Fri 20/1115:25 -
1 stop14h 55m
Deal found 29/9£401
Fri 13/1106:00 -
2 stops20h 52m
Fri 20/1115:25 -
2 stops24h 35m
Deal found 29/9£446
Thu 12/1109:00 -
2 stops28h 32m
Mon 16/1109:15 -
2 stops16h 15m
Deal found 29/9£454
Fri 13/1111:30 -
2 stops15h 22m
Fri 20/1115:25 -
2 stops24h 35m
Deal found 29/9£468
Thu 12/1109:00 -
2 stops28h 32m
Wed 18/1105:30 -
2 stops21h 55m
Deal found 29/9£475
Wed 28/1018:00 -
1 stop18h 37m
Wed 4/1115:25 -
2 stops19h 55m
Deal found 30/9£478

Find flight deals to London

Return from

£401

One-way from

£374

Popular in

August

Cheapest in

January

Average price

£594
Lufthansa
  • Lufthansa
  • 13/11-20/11
  • 3 total stops
  • 35h 12m total
  • London to London
Search Deals
Air Canada
  • Air Canada
  • 15/11-31/12
  • 2 total stops
  • 20h 52m total
  • London to London
Search Deals
Highest demand for flights based on searches. 36% potential increase in price (£451 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 29% potential price decrease (£179 potential savings vs. average return price).
Search Deals
Average for return flights in October 2026
Search Deals

Cheapflights Fare Finder

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

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonLondon

LHR London Heathrow - YXU London

LHRYXU

London Heathrow

Sun 15/11

06:00-21:52

2 stops20h 52m

London

Wed 31/12

00:00-06:00

Nonstop0h 00m

£374

LondonLondon

LHR London Heathrow - YXU London

LHRYXU

London Heathrow

Fri 13/11

09:00-08:32

2 stops28h 32m

London

Wed 31/12

00:00-06:00

Nonstop0h 00m

£378
Fastest return journey

LondonLondon

LHR London Heathrow - YXU London

LHRYXU

London Heathrow

Thu 8/10

08:30-17:43

1 stop14h 13m

London

Wed 31/12

00:00-06:00

Nonstop0h 00m

£389

LondonLondon

LHR London Heathrow - YXU London

LHRYXU

London Heathrow

Mon 16/11

06:00-21:52

2 stops20h 52m

London

Wed 31/12

00:00-06:00

Nonstop0h 00m

£399

LondonLondon

LHR London Heathrow - YXU London

LHRYXU

London Heathrow

Thu 19/11

18:00-14:42

1 stop25h 42m

London

Wed 31/12

00:00-06:00

Nonstop0h 00m

£402

LondonLondon

LHR London Heathrow - YXU London

LHRYXU

London Heathrow

Sun 15/11

18:00-21:52

1 stop32h 52m

London

Wed 31/12

00:00-06:00

Nonstop0h 00m

£404

LondonLondon

LHR London Heathrow - YXU London

LHRYXU

London Heathrow

Sat 14/11

15:00-14:42

1 stop28h 42m

London

Wed 31/12

00:00-06:00

Nonstop0h 00m

£405

LondonLondon

LHR London Heathrow - YXU London

LHRYXU

London Heathrow

Sat 31/10

18:00-09:37

1 stop19h 37m

London

Wed 31/12

00:00-06:00

Nonstop0h 00m

£413

LondonLondon

LHR London Heathrow - YXU London

LHRYXU

London Heathrow

Fri 13/11

12:00-08:32

2 stops25h 32m

London

Fri 20/11

09:15-06:20

2 stops40h 05m

£581

LondonLondon

LHR London Heathrow - YXU London

LHRYXU

London Heathrow

Mon 16/11

13:25-05:35

1 stop21h 10m

London

Mon 23/11

06:40-09:20

1 stop21h 40m

£608

Flights are sorted by cheapest return flights first.

Deals found on 1/10

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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

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 £436

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

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

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

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
11,718 reviews
Check prices

Entertainment

6.8

Food

6.3

Crew

7.8

Overall

7.1

Comfort

7.1

Boarding

7.3

Reviews

1 / 20
2.0
Mediocre

Sylvia,Aug 2026

YLW - YYZ

The fires impacted our trip. We sat in the plane for an hour with no air conditioning. We were a total of 5-hour delay but missed our connection. The staff tried to keep us aware of important information
Air Canada
7.1
Good
11,718 reviews
Air Canada
7.1
Good
11,718 reviews
Check prices

Entertainment

6.8

Food

6.3

Crew

7.8

Overall

7.1

Comfort

7.1

Boarding

7.3

Reviews

1 / 20
2.0
Mediocre

Sylvia,Aug 2026

YLW - YYZ

The fires impacted our trip. We sat in the plane for an hour with no air conditioning. We were a total of 5-hour delay but missed our connection. The staff tried to keep us aware of important information

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 2 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

Browse thousands of different options on Cheapflights for your next trip

Search flights to London by cabin class

First Class flights to London
Business Class flights to London
Prem Economy Class flights to London
Economy Class flights to London

Fly with Cheapflights

How does Cheapflights help users find flights to London?

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.

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

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.

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.