How long is the flight from London, Ontario to United Kingdom?

There are many flights that can get you from London, Ontario to United Kingdom in 10h 50m. Fly via United Airlines, Air Canada, or SWISS to get the fastest option. London, Ontario and United Kingdom are separated by a distance of 5478 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

In terms of precipitation, rainfall in United Kingdom ranges from 40.0 - 70.0 mm per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit United Kingdom when rainfall is around 40.0 mm.

If weather is an important factor for your trip to United Kingdom, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What are the most popular routes from London, Ontario to United Kingdom?

While some choose either London - London City or London - London Heathrow, London - London Gatwick is the most popular route from London, Ontario to United Kingdom.

What is the cheapest time of day to fly from YXU to GB?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London, Ontario to United Kingdom as you normally would.

What airport do you fly from for flights from London to United Kingdom?

London (YXU) is the airport you will fly out of if you book a flight from London to United Kingdom. It is only a 8.6 km journey to London (YXU) from London’s city centre.

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

Yes. In addition to deals on London to United Kingdom flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from London to United Kingdom?

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

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

Yes. Cheapflights offers flight deals from London to United Kingdom by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 400+ Cheap Flights from London, ON to the United Kingdom

Cheap flight deals from London to United Kingdom

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from London to United Kingdom
Explore the most affordable flight options available from London to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2026.

Wed 4/113:25 p.m. -

2 stops19h 50m

Wed 11/119:05 a.m. -

2 stops17h 52m

Deal found 15/9C$ 1,032

Thu 1/106:20 p.m. -

2 stops21h 20m

Wed 14/107:45 a.m. -

2 stops18h 55m

Deal found 17/9C$ 1,088

Mon 19/108:20 p.m. -

2 stops29h 55m

Sun 1/114:20 p.m. -

2 stops21h 17m

Deal found 16/9C$ 1,091

Sun 4/108:20 p.m. -

2 stops31h 10m

Thu 8/107:45 a.m. -

2 stops18h 55m

Deal found 13/9C$ 1,092

Wed 14/106:20 p.m. -

2 stops22h 00m

Wed 21/107:45 a.m. -

2 stops14h 58m

Deal found 16/9C$ 1,100

Thu 15/109:05 a.m. -

2 stops17h 10m

Thu 22/108:00 a.m. -

2 stops18h 40m

Deal found 14/9C$ 1,102

Thu 29/109:15 a.m. -

2 stops20h 05m

Thu 5/112:50 p.m. -

1 stop19h 45m

Deal found 14/9C$ 1,167

Sun 4/103:30 p.m. -

1 stop10h 50m

Thu 8/1012:30 p.m. -

2 stops34h 13m

Deal found 16/9C$ 1,187

Sat 28/116:40 a.m. -

1 stop25h 10m

Sat 5/126:00 p.m. -

1 stop19h 37m

Deal found 15/9C$ 1,198

Fri 30/108:30 p.m. -

2 stops20h 30m

Fri 6/116:00 a.m. -

2 stops20h 57m

Deal found 14/9C$ 1,199

Fri 30/107:40 a.m. -

2 stops30h 45m

Fri 6/118:15 a.m. -

2 stops26h 20m

Deal found 14/9C$ 1,199

Thu 1/105:40 a.m. -

2 stops19h 50m

Wed 14/108:40 a.m. -

2 stops16h 00m

Deal found 13/9C$ 1,206

Best flights from London to United Kingdom
Discover carefully curated flight deals from London to United Kingdom that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 17 September 2026.

Wed 4/113:25 p.m. -

2 stops19h 50m

Wed 11/119:05 a.m. -

2 stops17h 52m

Deal found 15/9C$ 1,032

Thu 1/106:20 p.m. -

2 stops21h 20m

Wed 14/107:45 a.m. -

2 stops18h 55m

Deal found 17/9C$ 1,088

Sun 4/103:30 p.m. -

1 stop10h 50m

Thu 8/1012:30 p.m. -

2 stops34h 13m

Deal found 16/9C$ 1,187

Wed 14/103:30 p.m. -

2 stops16h 05m

Wed 21/109:15 a.m. -

2 stops15h 25m

Deal found 16/9C$ 1,457

Sun 4/108:20 p.m. -

2 stops31h 10m

Thu 8/107:45 a.m. -

2 stops18h 55m

Deal found 16/9C$ 1,088

Tue 19/17:10 a.m. -

1 stop18h 40m

Tue 26/14:45 p.m. -

2 stops41h 50m

Deal found 16/9C$ 1,153

Wed 28/103:25 p.m. -

2 stops16h 35m

Wed 4/114:20 p.m. -

2 stops21h 17m

Deal found 13/9C$ 1,092

Tue 19/17:10 a.m. -

1 stop18h 40m

Mon 25/14:45 p.m. -

2 stops41h 50m

Deal found 16/9C$ 1,162

Sat 10/103:30 p.m. -

1 stop10h 00m

Wed 14/109:00 a.m. -

1 stop10h 50m

Deal found 15/9C$ 1,305

Wed 14/106:20 p.m. -

2 stops22h 00m

Wed 21/107:45 a.m. -

2 stops14h 58m

Deal found 16/9C$ 1,100

Tue 19/17:10 a.m. -

1 stop18h 40m

Thu 28/17:15 a.m. -

2 stops27h 20m

Deal found 16/9C$ 1,187

Sat 13/29:15 a.m. -

2 stops16h 05m

Fri 19/212:00 p.m. -

2 stops25h 37m

Deal found 12/9C$ 1,102

Mon 19/103:30 p.m. -

2 stops21h 20m

Sun 1/116:40 p.m. -

2 stops30h 12m

Deal found 16/9C$ 1,470

Sat 10/106:20 p.m. -

2 stops42h 05m

Wed 14/106:05 a.m. -

2 stops42h 35m

Deal found 16/9C$ 1,427

Thu 21/17:10 a.m. -

1 stop18h 40m

Mon 25/17:00 a.m. -

2 stops27h 35m

Deal found 16/9C$ 1,204

Thu 15/109:05 a.m. -

2 stops17h 10m

Thu 22/108:00 a.m. -

2 stops18h 40m

Deal found 14/9C$ 1,102

Thu 15/103:30 p.m. -

2 stops21h 00m

Thu 22/109:15 a.m. -

2 stops15h 25m

Deal found 15/9C$ 1,535

Sat 28/119:15 a.m. -

2 stops18h 55m

Sat 5/1210:25 a.m. -

2 stops16h 27m

Deal found 15/9C$ 1,102

Mon 12/103:30 p.m. -

2 stops21h 00m

Mon 19/107:15 p.m. -

2 stops29h 25m

Deal found 14/9C$ 1,540

Fri 30/107:40 a.m. -

2 stops30h 45m

Fri 6/118:15 a.m. -

3 stops29h 22m

Deal found 14/9C$ 1,284

Tue 13/108:20 p.m. -

2 stops28h 35m

Tue 20/106:00 p.m. -

2 stops25h 50m

Deal found 15/9C$ 1,102

Mon 12/106:20 p.m. -

2 stops31h 55m

Mon 19/106:00 p.m. -

2 stops25h 50m

Deal found 14/9C$ 1,102

Wed 20/13:20 p.m. -

2 stops16h 30m

Wed 27/19:15 a.m. -

2 stops17h 37m

Deal found 16/9C$ 1,340

Tue 13/103:30 p.m. -

2 stops16h 05m

Tue 20/109:15 a.m. -

2 stops15h 25m

Deal found 15/9C$ 1,668

Sun 17/15:30 a.m. -

2 stops20h 10m

Wed 27/14:20 p.m. -

2 stops21h 17m

Deal found 16/9C$ 1,109

Mon 12/108:20 p.m. -

2 stops30h 45m

Mon 19/105:55 p.m. -

2 stops30h 45m

Deal found 13/9C$ 1,351

Mon 18/15:30 a.m. -

2 stops21h 55m

Wed 27/14:20 p.m. -

2 stops21h 17m

Deal found 16/9C$ 1,109

Thu 29/103:25 p.m. -

3 stops20h 00m

Thu 5/118:25 a.m. -

3 stops18h 32m

Deal found 14/9C$ 1,367

Thu 1/103:30 p.m. -

2 stops21h 20m

Wed 14/109:25 a.m. -

2 stops15h 15m

Deal found 13/9C$ 1,839

Thu 15/109:05 a.m. -

2 stops27h 45m

Thu 22/109:25 a.m. -

2 stops28h 00m

Deal found 15/9C$ 1,396

Find flight deals from London to United Kingdom

Round-trip from	C$ 1,032
One-way from	C$ 400

4/11-11/11
4 total stops
37h 42m total
London to United Kingdom

Search Deals

WestJet
16/10-31/12
1 total stop
22h 40m total
London to United Kingdom

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonBirmingham

YXU London - BHX Birmingham

YXUBHX

London

Sat 3/10

6:10 a.m.-8:00 a.m.

2 stops44h 50m

Birmingham

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 428

LondonEdinburgh

YXU London - EDI Edinburgh Turnhouse

YXUEDI

London

Fri 16/10

5:55 p.m.-7:30 a.m.

2 stops56h 35m

Edinburgh Turnhouse

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 491

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Sat 17/10

6:10 a.m.-1:55 p.m.

2 stops26h 45m

London Heathrow

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 499

Quickest round-trip

LondonEdinburgh

YXU London - EDI Edinburgh Turnhouse

YXUEDI

London

Sat 10/10

3:30 p.m.-7:20 a.m.

1 stop10h 50m

Edinburgh Turnhouse

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 509

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Tue 27/10

9:15 a.m.-11:20 a.m.

1 stop22h 05m

London Heathrow

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 520

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Wed 28/10

3:25 p.m.-11:20 a.m.

1 stop15h 55m

London Heathrow

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 520

LondonLondon

YXU London - STN London Stansted

YXUSTN

London

Tue 27/10

7:40 a.m.-10:20 p.m.

3 stops34h 40m

London Stansted

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 522

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Fri 29/1

6:40 a.m.-12:50 p.m.

1 stop25h 10m

London Heathrow

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 530

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Tue 26/1

6:40 a.m.-12:50 p.m.

1 stop25h 10m

London Heathrow

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 530

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Wed 27/1

3:20 p.m.-9:00 p.m.

2 stops24h 40m

London Heathrow

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 531

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 55 resultsSorted by cheapest first

...

Best time to book a flight from London to United Kingdom

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

YXU-EDI

YXU-BHX

YXU-LHR

YXU-STN

YXU-MAN

Estimated round-trip 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 the United Kingdom

YXU-GB0

YXU-EDI

YXU-BHX

YXU-LHR

YXU-STN

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly from for flights from London to United Kingdom?
London (YXU) is the airport you will fly out of if you book a flight from London to United Kingdom. It is only a 8.6 km journey to London (YXU) from London’s city centre.
How long is the flight from London, Ontario to United Kingdom?
There are many flights that can get you from London, Ontario to United Kingdom in 10h 50m. Fly via United Airlines, Air Canada, or SWISS to get the fastest option. London, Ontario and United Kingdom are separated by a distance of 5478 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the most popular routes from London, Ontario to United Kingdom?
While some choose either London - London City or London - London Heathrow, London - London Gatwick is the most popular route from London, Ontario to United Kingdom.
Can I find deals for flights from London to United Kingdom that include hotel bookings?
Yes. In addition to deals on London to United Kingdom flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from London to United Kingdom?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to United Kingdom.
Can I find deals for business class flights from London to United Kingdom?
Yes. Cheapflights offers flight deals from London to United Kingdom by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London to United Kingdom

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from London to United Kingdom, users can toggle the no change fees filter when performing a flight search.

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Cheap flights from London, ON to the United Kingdom from C$ 400

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to United Kingdom

Cheapest flights from London to United KingdomExplore the most affordable flight options available from London to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2026.

Explore the most affordable flight options available from London to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2026.

Best flights from London to United KingdomDiscover carefully curated flight deals from London to United Kingdom that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 17 September 2026.

Discover carefully curated flight deals from London to United Kingdom that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 17 September 2026.

Last-minute flights from London to United KingdomDiscover last-minute flight deals from London to United Kingdom. Data last updated 17 September 2026 and is based on user searches.

Discover last-minute flight deals from London to United Kingdom. Data last updated 17 September 2026 and is based on user searches.

One-way flights from London to United KingdomSearch for one-way flight options from London to United Kingdom. Find affordable one-way fares based on user searches. Data last updated 17 September 2026.

Search for one-way flight options from London to United Kingdom. Find affordable one-way fares based on user searches. Data last updated 17 September 2026.

Find flight deals from London to United Kingdom

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Best time to book a flight from London to United Kingdom

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Cheapflights Insights

Related info for your journey

What airport do you fly from for flights from London to United Kingdom?

How long is the flight from London, Ontario to United Kingdom?

What are the most popular routes from London, Ontario to United Kingdom?

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

How can I find direct flights from London to United Kingdom?

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

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 United Kingdom

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Complete your trip

Complete your trip to United Kingdom by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to

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

Search flights from London to United Kingdom by cabin class

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

London and United Kingdom flights

Browse other London and United Kingdom flight options. Last updated on 17 September 2026.

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Cheapest flights from London to United Kingdom
Explore the most affordable flight options available from London to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2026.

Best flights from London to United Kingdom
Discover carefully curated flight deals from London to United Kingdom that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 17 September 2026.

Last-minute flights from London to United Kingdom
Discover last-minute flight deals from London to United Kingdom. Data last updated 17 September 2026 and is based on user searches.

One-way flights from London to United Kingdom
Search for one-way flight options from London to United Kingdom. Find affordable one-way fares based on user searches. Data last updated 17 September 2026.