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 12h 05m. Fly via Air Canada, United Airlines, or Lufthansa 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 Gatwick or London - London City, London - London Heathrow 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$ 470+ 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.

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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 23 October 2026.

Thu 12/113:25 p.m. -

1 stop10h 05m

Thu 19/119:00 a.m. -

2 stops16h 27m

Deal found 19/10C$ 958

Mon 16/119:05 p.m. -

2 stops18h 55m

Mon 23/116:00 a.m. -

2 stops19h 27m

Deal found 19/10C$ 968

Thu 5/119:05 p.m. -

1 stop9h 15m

Tue 10/116:00 a.m. -

2 stops19h 27m

Deal found 18/10C$ 976

Tue 17/119:05 p.m. -

2 stops29h 05m

Tue 24/116:00 a.m. -

2 stops19h 27m

Deal found 20/10C$ 979

Thu 12/113:25 p.m. -

2 stops24h 35m

Thu 19/119:00 a.m. -

2 stops34h 42m

Deal found 19/10C$ 980

Thu 5/119:05 p.m. -

2 stops29h 05m

Wed 18/119:00 a.m. -

2 stops16h 27m

Deal found 21/10C$ 984

Wed 2/129:05 p.m. -

2 stops29h 05m

Wed 9/126:00 a.m. -

2 stops20h 52m

Deal found 18/10C$ 986

Thu 5/119:05 p.m. -

2 stops53h 50m

Tue 10/119:25 a.m. -

2 stops34h 17m

Deal found 18/10C$ 1,335

Sun 6/123:20 p.m. -

2 stops18h 40m

Sun 13/129:25 a.m. -

2 stops17h 27m

Deal found 22/10C$ 1,405

Sat 5/123:20 p.m. -

2 stops15h 35m

Sat 12/129:25 a.m. -

2 stops17h 27m

Deal found 20/10C$ 1,468

Thu 3/126:40 a.m. -

2 stops27h 35m

Thu 10/126:30 a.m. -

2 stops28h 05m

Deal found 19/10C$ 1,484

Fri 6/119:15 a.m. -

2 stops41h 40m

Wed 11/119:25 a.m. -

2 stops16h 02m

Deal found 18/10C$ 1,594

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 23 October 2026.

Thu 5/113:25 p.m. -

1 stop12h 05m

Wed 18/119:00 a.m. -

2 stops16h 27m

Deal found 21/10C$ 983

Thu 12/113:25 p.m. -

1 stop10h 05m

Thu 19/119:00 a.m. -

2 stops16h 27m

Deal found 22/10C$ 983

Thu 5/119:05 p.m. -

2 stops53h 50m

Tue 10/119:25 a.m. -

2 stops34h 17m

Deal found 18/10C$ 1,335

Wed 4/113:25 p.m. -

2 stops15h 30m

Tue 10/116:45 a.m. -

2 stops18h 42m

Deal found 18/10C$ 1,621

Thu 19/113:25 p.m. -

2 stops24h 35m

Thu 26/116:00 a.m. -

2 stops19h 27m

Deal found 22/10C$ 996

Wed 18/119:05 p.m. -

2 stops29h 05m

Wed 25/119:00 a.m. -

2 stops16h 27m

Deal found 21/10C$ 997

Mon 1/25:30 a.m. -

1 stop20h 00m

Thu 4/29:00 a.m. -

2 stops28h 37m

Deal found 21/10C$ 1,007

Mon 7/123:20 p.m. -

1 stop12h 10m

Mon 14/126:00 p.m. -

1 stop19h 32m

Deal found 23/10C$ 1,024

Thu 3/126:40 a.m. -

2 stops27h 35m

Thu 10/126:30 a.m. -

2 stops28h 05m

Deal found 19/10C$ 1,484

Wed 4/113:25 p.m. -

2 stops15h 30m

Mon 9/116:10 a.m. -

2 stops19h 17m

Deal found 18/10C$ 1,621

Fri 4/129:15 a.m. -

2 stops29h 35m

Fri 11/123:55 p.m. -

3 stops34h 57m

Deal found 20/10C$ 1,613

Fri 6/113:25 p.m. -

2 stops17h 40m

Mon 9/116:10 a.m. -

2 stops19h 17m

Deal found 18/10C$ 1,965

Mon 9/119:15 a.m. -

2 stops17h 40m

Wed 11/119:25 a.m. -

2 stops16h 02m

Deal found 18/10C$ 2,390

Sun 6/125:30 a.m. -

3 stops35h 45m

Sun 13/125:50 a.m. -

3 stops31h 42m

Deal found 22/10C$ 2,008

Sat 5/126:40 a.m. -

2 stops35h 40m

Sat 12/126:45 a.m. -

3 stops30h 52m

Deal found 20/10C$ 2,608

Sun 8/119:05 p.m. -

2 stops29h 50m

Thu 12/119:25 a.m. -

2 stops34h 17m

Deal found 21/10C$ 3,304

Find flight deals from London to United Kingdom

Round-trip from	C$ 958
One-way from	C$ 470

Air Canada
12/11-19/11
3 total stops
26h 32m total
London to United Kingdom

Search Deals

WestJet
2/12-31/12
1 total stop
25h 10m 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

Wed 2/12

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$ 470

Quickest round-trip

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Sun 6/12

3:20 p.m.-8:30 a.m.

1 stop12h 10m

London Heathrow

Wed 31/12

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

Nonstop0h 00m

C$ 517

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Sat 5/12

3:20 p.m.-8:30 a.m.

1 stop12h 10m

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

Thu 3/12

3:20 p.m.-8:30 a.m.

1 stop12h 10m

London Heathrow

Wed 31/12

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

Nonstop0h 00m

C$ 523

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Fri 4/12

5:30 a.m.-11:20 a.m.

1 stop24h 50m

London Heathrow

Wed 31/12

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

Nonstop0h 00m

C$ 523

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Wed 2/12

9:05 p.m.-9:20 a.m.

2 stops31h 15m

London Heathrow

Wed 31/12

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

Nonstop0h 00m

C$ 524

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Sun 6/12

3:20 p.m.-6:30 a.m.

2 stops34h 10m

London Heathrow

Wed 31/12

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

Nonstop0h 00m

C$ 533

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Sat 12/12

9:15 a.m.-7:55 a.m.

2 stops17h 40m

London Heathrow

Wed 31/12

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

Nonstop0h 00m

C$ 561

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Thu 3/12

3:20 p.m.-12:00 p.m.

2 stops39h 40m

London Heathrow

Wed 31/12

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

Nonstop0h 00m

C$ 565

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Wed 2/12

9:05 p.m.-5:55 a.m.

2 stops51h 50m

London Heathrow

Wed 31/12

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

Nonstop0h 00m

C$ 565

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/10

Showing 1-10 of 30 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-LHR

YXU-EDI

YXU-LPL

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-LHR

YXU-EDI

YXU-LPL

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 12h 05m. Fly via Air Canada, United Airlines, or Lufthansa 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 Gatwick or London - London City, London - London Heathrow 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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Alternative routes for London to United Kingdom

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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$ 470

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 2/12. 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 23 October 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 23 October 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 23 October 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 23 October 2026.

Last-minute flights from London to United KingdomDiscover last-minute flight deals from London to United Kingdom. Data last updated 23 October 2026 and is based on user searches.

Discover last-minute flight deals from London to United Kingdom. Data last updated 23 October 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 23 October 2026.

Search for one-way flight options from London to United Kingdom. Find affordable one-way fares based on user searches. Data last updated 23 October 2026.

Find flight deals from London to United Kingdom

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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

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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

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London and United Kingdom flights

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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 23 October 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 23 October 2026.

Last-minute flights from London to United Kingdom
Discover last-minute flight deals from London to United Kingdom. Data last updated 23 October 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 23 October 2026.