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 19h 15m. Fly via United Airlines, Air Canada, or SWISS 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 Stansted, 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$ 389+ 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 10 September 2026.

Sun 4/108:20 p.m. -

2 stops29h 25m

Thu 8/107:45 a.m. -

2 stops18h 55m

Deal found 6/9C$ 1,082

Fri 13/113:25 p.m. -

2 stops15h 35m

Mon 16/113:10 p.m. -

2 stops22h 27m

Deal found 8/9C$ 1,084

Mon 26/108:30 p.m. -

2 stops29h 25m

Sun 8/1112:05 p.m. -

2 stops14h 47m

Deal found 7/9C$ 1,097

Tue 6/103:30 p.m. -

2 stops15h 25m

Tue 13/102:10 p.m. -

2 stops23h 15m

Deal found 8/9C$ 1,106

Mon 26/108:30 p.m. -

1 stop10h 50m

Sun 8/118:55 a.m. -

2 stops25h 40m

Deal found 7/9C$ 1,129

Fri 23/109:05 a.m. -

1 stop18h 30m

Fri 30/102:50 p.m. -

1 stop19h 45m

Deal found 8/9C$ 1,139

Sun 4/108:20 p.m. -

1 stop30h 00m

Thu 8/109:00 a.m. -

1 stop28h 25m

Deal found 5/9C$ 1,143

Fri 13/116:40 a.m. -

1 stop21h 40m

Tue 17/112:30 p.m. -

2 stops20h 05m

Deal found 8/9C$ 1,150

Sat 10/103:30 p.m. -

2 stops12h 05m

Fri 23/102:10 p.m. -

1 stop20h 10m

Deal found 9/9C$ 1,153

Thu 22/108:20 p.m. -

1 stop10h 30m

Thu 29/102:50 p.m. -

1 stop19h 45m

Deal found 7/9C$ 1,162

Sun 25/103:25 p.m. -

2 stops20h 55m

Sun 1/116:00 a.m. -

2 stops13h 47m

Deal found 10/9C$ 1,162

Thu 22/103:30 p.m. -

3 stops16h 25m

Thu 29/105:40 a.m. -

2 stops18h 12m

Deal found 7/9C$ 1,169

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 10 September 2026.

Wed 21/109:05 a.m. -

2 stops19h 15m

Wed 28/101:35 p.m. -

2 stops23h 02m

Deal found 6/9C$ 1,082

Sun 4/108:20 p.m. -

1 stop30h 00m

Thu 8/109:00 a.m. -

1 stop28h 25m

Deal found 5/9C$ 1,143

Sun 25/103:25 p.m. -

2 stops20h 55m

Sun 1/116:00 a.m. -

2 stops13h 47m

Deal found 10/9C$ 1,162

Mon 5/103:30 p.m. -

2 stops21h 00m

Mon 12/107:15 p.m. -

2 stops29h 25m

Deal found 6/9C$ 1,445

Thu 15/109:05 a.m. -

2 stops17h 10m

Thu 22/1012:00 p.m. -

2 stops14h 40m

Deal found 7/9C$ 1,082

Thu 22/103:30 p.m. -

3 stops16h 25m

Thu 29/105:40 a.m. -

2 stops18h 12m

Deal found 7/9C$ 1,169

Sun 4/108:20 p.m. -

2 stops29h 25m

Thu 8/107:45 a.m. -

2 stops18h 55m

Deal found 5/9C$ 1,082

Mon 21/123:20 p.m. -

2 stops21h 20m

Sun 27/125:15 p.m. -

2 stops33h 32m

Deal found 6/9C$ 2,593

Thu 22/106:20 p.m. -

2 stops22h 05m

Mon 26/1010:25 a.m. -

2 stops26h 12m

Deal found 7/9C$ 1,082

Thu 22/103:30 p.m. -

2 stops25h 40m

Thu 29/106:00 a.m. -

2 stops17h 52m

Deal found 7/9C$ 1,194

Sat 10/108:20 p.m. -

2 stops40h 05m

Wed 14/106:05 a.m. -

2 stops40h 38m

Deal found 5/9C$ 1,410

Thu 22/103:30 p.m. -

2 stops13h 55m

Thu 29/1012:50 p.m. -

2 stops35h 02m

Deal found 7/9C$ 1,082

Thu 22/103:30 p.m. -

2 stops22h 30m

Thu 29/105:40 a.m. -

2 stops18h 12m

Deal found 7/9C$ 1,197

Wed 7/103:30 p.m. -

2 stops35h 55m

Wed 14/109:25 a.m. -

2 stops15h 15m

Deal found 9/9C$ 1,485

Sat 28/115:30 a.m. -

2 stops19h 50m

Sat 5/1210:25 a.m. -

2 stops16h 22m

Deal found 8/9C$ 1,084

Fri 23/109:05 a.m. -

1 stop17h 15m

Fri 30/106:00 a.m. -

2 stops30h 37m

Deal found 8/9C$ 1,208

Mon 5/103:30 p.m. -

3 stops35h 55m

Mon 12/106:35 p.m. -

2 stops30h 05m

Deal found 7/9C$ 1,525

Fri 13/113:25 p.m. -

2 stops14h 25m

Tue 17/111:35 p.m. -

2 stops24h 02m

Deal found 8/9C$ 1,084

Sat 10/108:20 p.m. -

2 stops12h 55m

Fri 23/109:40 a.m. -

2 stops24h 40m

Deal found 9/9C$ 1,217

Thu 15/103:30 p.m. -

2 stops21h 00m

Thu 22/109:15 a.m. -

2 stops15h 25m

Deal found 7/9C$ 1,562

Fri 27/119:15 a.m. -

2 stops18h 55m

Wed 2/124:20 p.m. -

2 stops21h 17m

Deal found 8/9C$ 1,084

Fri 23/106:10 a.m. -

2 stops23h 35m

Fri 30/1011:40 a.m. -

2 stops22h 55m

Deal found 9/9C$ 1,220

Fri 13/113:25 p.m. -

2 stops15h 35m

Mon 16/113:10 p.m. -

2 stops22h 27m

Deal found 8/9C$ 1,084

Wed 7/109:05 a.m. -

2 stops18h 25m

Wed 14/1012:15 p.m. -

2 stops14h 25m

Deal found 9/9C$ 1,086

Wed 7/103:30 p.m. -

2 stops16h 05m

Wed 14/109:15 a.m. -

2 stops15h 25m

Deal found 9/9C$ 1,799

Sat 24/106:10 a.m. -

2 stops28h 15m

Sat 31/1011:15 p.m. -

3 stops38h 22m

Deal found 9/9C$ 1,426

Fri 23/109:05 a.m. -

2 stops18h 55m

Fri 30/1012:50 p.m. -

2 stops23h 47m

Deal found 9/9C$ 1,086

Mon 26/108:30 p.m. -

2 stops15h 15m

Sun 8/1110:00 a.m. -

2 stops16h 52m

Deal found 7/9C$ 1,493

Sun 4/106:20 p.m. -

2 stops33h 05m

Thu 8/109:40 a.m. -

2 stops17h 00m

Deal found 6/9C$ 1,215

Fri 23/103:30 p.m. -

2 stops15h 10m

Fri 30/109:50 a.m. -

2 stops14h 02m

Deal found 9/9C$ 1,558

Find flight deals from London to United Kingdom

Round-trip from	C$ 1,082
One-way from	C$ 389

United Airlines
4/10-8/10
4 total stops
48h 20m total
London to United Kingdom

Search Deals

WestJet
13/11-31/12
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

LondonEdinburgh

YXU London - EDI Edinburgh Turnhouse

YXUEDI

London

Wed 21/10

6:10 a.m.-9:50 a.m.

1 stop22h 40m

Edinburgh Turnhouse

Wed 31/12

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

Nonstop0h 00m

C$ 416

LondonLondon

YXU London - STN London Stansted

YXUSTN

London

Mon 19/10

6:10 a.m.-5:05 p.m.

2 stops29h 55m

London Stansted

Wed 31/12

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

Nonstop0h 00m

C$ 440

LondonLondon

YXU London - LGW London Gatwick

YXULGW

London

Mon 19/10

6:10 a.m.-8:55 p.m.

2 stops33h 45m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 440

LondonBristol

YXU London - BRS Bristol

YXUBRS

London

Thu 22/10

5:55 p.m.-10:05 p.m.

3 stops47h 10m

Bristol

Wed 31/12

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

Nonstop0h 00m

C$ 484

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Mon 19/10

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$ 502

LondonEdinburgh

YXU London - EDI Edinburgh Turnhouse

YXUEDI

London

Mon 5/10

8:20 p.m.-7:20 a.m.

1 stop30h 00m

Edinburgh Turnhouse

Wed 31/12

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

Nonstop0h 00m

C$ 502

Quickest round-trip

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Sat 24/10

6:20 p.m.-9:30 a.m.

2 stops10h 10m

London Heathrow

Wed 31/12

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

Nonstop0h 00m

C$ 513

LondonLondon

YXU London - LGW London Gatwick

YXULGW

London

Sat 31/10

7:40 a.m.-10:15 a.m.

2 stops46h 35m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 517

LondonEdinburgh

YXU London - EDI Edinburgh Turnhouse

YXUEDI

London

Wed 21/10

9:05 a.m.-9:50 a.m.

3 stops19h 45m

Edinburgh Turnhouse

Wed 31/12

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

Nonstop0h 00m

C$ 518

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Fri 6/11

9:15 a.m.-7:10 a.m.

2 stops16h 55m

London Heathrow

Wed 31/12

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

Nonstop0h 00m

C$ 529

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 60 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-STN

YXU-LHR

YXU-GLA

YXU-LGW

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-STN

YXU-LHR

YXU-GLA

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 19h 15m. Fly via United Airlines, Air Canada, or SWISS 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 Stansted, 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

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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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$ 389

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 13/11. 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 10 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 10 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 10 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 10 September 2026.

Last-minute flights from London to United KingdomDiscover last-minute flight deals from London to United Kingdom. Data last updated 10 September 2026 and is based on user searches.

Discover last-minute flight deals from London to United Kingdom. Data last updated 10 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 10 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 10 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

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

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 10 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 10 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 10 September 2026.

Last-minute flights from London to United Kingdom
Discover last-minute flight deals from London to United Kingdom. Data last updated 10 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 10 September 2026.