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 14h. Fly via Air Canada or United Airlines to get the fastest option. London, Ontario and United Kingdom are separated by a distance of 5844 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 Heathrow or London - Birmingham, London - Edinburgh Turnhouse 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$ 520+ 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 22 September 2026.

Sun 18/108:20 p.m. -

1 stop30h 00m

Thu 22/1011:30 a.m. -

2 stops32h 20m

Deal found 21/9C$ 1,053

Tue 20/109:05 a.m. -

2 stops16h 40m

Tue 27/1012:50 p.m. -

2 stops23h 47m

Deal found 22/9C$ 1,088

Wed 4/119:15 a.m. -

2 stops18h 55m

Wed 11/111:35 p.m. -

2 stops24h 02m

Deal found 20/9C$ 1,089

Thu 5/113:25 p.m. -

2 stops12h 55m

Thu 12/119:00 a.m. -

2 stops28h 37m

Deal found 21/9C$ 1,190

Sun 4/103:30 p.m. -

1 stop10h 50m

Thu 8/1012:30 p.m. -

2 stops34h 13m

Deal found 17/9C$ 1,190

Sun 4/106:20 p.m. -

2 stops31h 25m

Thu 8/1012:15 p.m. -

2 stops25h 10m

Deal found 20/9C$ 1,200

Wed 4/119:15 a.m. -

1 stop18h 15m

Wed 11/119:00 a.m. -

2 stops28h 37m

Deal found 20/9C$ 1,214

Mon 2/118:30 p.m. -

1 stop9h 50m

Mon 9/116:00 a.m. -

2 stops20h 57m

Deal found 18/9C$ 1,219

Tue 20/103:30 p.m. -

1 stop15h 20m

Tue 27/109:00 a.m. -

2 stops14h 52m

Deal found 22/9C$ 1,224

Thu 26/119:15 a.m. -

2 stops15h 40m

Sat 5/129:30 a.m. -

3 stops17h 22m

Deal found 21/9C$ 1,231

Thu 26/119:15 a.m. -

1 stop16h 15m

Sat 5/129:00 a.m. -

2 stops17h 52m

Deal found 21/9C$ 1,235

Sat 5/125:30 a.m. -

2 stops21h 25m

Tue 8/129:25 a.m. -

2 stops28h 12m

Deal found 20/9C$ 1,308

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 22 September 2026.

Sun 18/108:20 p.m. -

1 stop30h 00m

Thu 22/1011:30 a.m. -

2 stops32h 20m

Deal found 21/9C$ 1,053

Tue 20/109:05 a.m. -

2 stops16h 40m

Tue 27/1012:50 p.m. -

2 stops23h 47m

Deal found 22/9C$ 1,088

Sun 18/106:10 a.m. -

1 stop22h 40m

Thu 22/1011:50 a.m. -

1 stop22h 30m

Deal found 21/9C$ 1,490

Mon 2/113:25 p.m. -

2 stops26h 05m

Mon 9/117:55 a.m. -

3 stops35h 52m

Deal found 18/9C$ 1,528

Fri 6/113:25 p.m. -

2 stops14h 00m

Fri 13/1112:00 p.m. -

2 stops25h 37m

Deal found 22/9C$ 1,088

Sun 4/103:30 p.m. -

1 stop10h 50m

Thu 8/1011:30 a.m. -

2 stops35h 13m

Deal found 20/9C$ 1,190

Tue 3/119:15 a.m. -

2 stops16h 05m

Tue 10/113:10 p.m. -

2 stops22h 27m

Deal found 19/9C$ 1,089

Thu 26/115:30 a.m. -

2 stops19h 25m

Sat 5/1210:25 a.m. -

2 stops16h 27m

Deal found 21/9C$ 1,089

Thu 26/119:15 a.m. -

1 stop16h 15m

Sat 5/129:00 a.m. -

2 stops17h 52m

Deal found 21/9C$ 1,235

Wed 4/119:15 a.m. -

2 stops16h 05m

Wed 11/1110:25 a.m. -

2 stops27h 12m

Deal found 20/9C$ 1,089

Mon 19/108:20 p.m. -

2 stops32h 00m

Mon 26/1012:05 p.m. -

2 stops24h 32m

Deal found 21/9C$ 1,089

Mon 2/118:30 p.m. -

2 stops28h 25m

Mon 9/118:00 a.m. -

2 stops29h 37m

Deal found 17/9C$ 1,089

Sun 4/108:20 p.m. -

2 stops29h 25m

Thu 8/107:45 a.m. -

2 stops29h 40m

Deal found 17/9C$ 1,200

Sat 5/125:30 a.m. -

2 stops21h 25m

Tue 8/129:25 a.m. -

2 stops28h 12m

Deal found 20/9C$ 1,308

Tue 3/118:30 p.m. -

2 stops54h 25m

Tue 10/119:25 a.m. -

2 stops17h 32m

Deal found 19/9C$ 1,494

Find flight deals from London to United Kingdom

Round-trip from	C$ 1,053
One-way from	C$ 502

Air Canada
18/10-22/10
3 total stops
62h 20m total
London to United Kingdom

Search Deals

17/10-31/12
2 total stops
26h 45m 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

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Sun 1/11

8:30 p.m.-9:00 p.m.

2 stops19h 30m

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

Mon 2/11

8:30 p.m.-9:00 p.m.

2 stops19h 30m

London Heathrow

Wed 31/12

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

Nonstop0h 00m

C$ 521

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Thu 5/11

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

1 stop21h 05m

London Heathrow

Wed 31/12

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

Nonstop0h 00m

C$ 526

Quickest round-trip

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Wed 4/11

9:15 a.m.-6:30 a.m.

1 stop16h 15m

London Heathrow

Wed 31/12

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

Nonstop0h 00m

C$ 526

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Fri 6/11

5:30 a.m.-10:25 a.m.

2 stops23h 55m

London Heathrow

Wed 31/12

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

Nonstop0h 00m

C$ 570

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Wed 4/11

9:15 a.m.-9:10 a.m.

2 stops42h 55m

London Heathrow

Wed 31/12

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

Nonstop0h 00m

C$ 572

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Mon 2/11

8:30 p.m.-9:20 p.m.

2 stops43h 50m

London Heathrow

Wed 31/12

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

Nonstop0h 00m

C$ 572

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Tue 3/11

3:25 p.m.-7:55 a.m.

2 stops35h 30m

London Heathrow

Wed 31/12

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

Nonstop0h 00m

C$ 572

LondonEdinburgh

YXU London - EDI Edinburgh Turnhouse

YXUEDI

London

Mon 2/11

3:25 p.m.-10:30 p.m.

2 stops26h 05m

Edinburgh Turnhouse

Wed 31/12

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

Nonstop0h 00m

C$ 645

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Tue 3/11

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$ 740

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/9

Showing 1-10 of 29 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-LHR

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-LHR

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 14h. Fly via Air Canada or United Airlines to get the fastest option. London, Ontario and United Kingdom are separated by a distance of 5844 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 Heathrow or London - Birmingham, London - Edinburgh Turnhouse 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

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900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to United Kingdom from London today with Cheapflights!

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Millions of users choose and trust Cheapflights to book the best flight deals from London to United Kingdom 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 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$ 520

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 1/11. 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 22 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 22 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 22 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 22 September 2026.

Last-minute flights from London to United KingdomDiscover last-minute flight deals from London to United Kingdom. Data last updated 22 September 2026 and is based on user searches.

Discover last-minute flight deals from London to United Kingdom. Data last updated 22 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 22 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 22 September 2026.

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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.

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

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Search flights from London to United Kingdom by cabin class

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London and United Kingdom flights

Browse other London and United Kingdom flight options. Last updated on 22 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 22 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 22 September 2026.

Last-minute flights from London to United Kingdom
Discover last-minute flight deals from London to United Kingdom. Data last updated 22 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 22 September 2026.