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Cheap flights from London, ON to the United Kingdom from C$ 596

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — LHR
30 Jul — 6 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to United Kingdom

Enter your travel dates to find the best prices.

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 30 June 2026.

Mon 13/73:30 p.m.
YXU
-
EDI
1 stop10h 50m
Air Canada
Thu 16/79:00 a.m.
EDI
-
YXU
1 stop10h 52m
Air Canada
Deal found 28/6C$ 943
Thu 13/83:30 p.m.
YXU
-
EDI
1 stop10h 50m
Air Canada
Thu 20/89:00 a.m.
EDI
-
YXU
1 stop17h 40m
Air Canada
Deal found 29/6C$ 968
Mon 24/810:05 a.m.
YXU
-
EDI
1 stop16h 15m
Air Canada
Fri 28/89:00 a.m.
EDI
-
YXU
1 stop10h 50m
Air Canada
Deal found 27/6C$ 970
Thu 13/85:40 a.m.
YXU
-
EDI
2 stops23h 55m
United Airlines
Thu 20/811:30 a.m.
EDI
-
YXU
2 stops15h 10m
United Airlines
Deal found 29/6C$ 1,044
Sat 5/910:05 a.m.
YXU
-
LHR
2 stops19h 35m
United Airlines
Mon 5/107:45 a.m.
LHR
-
YXU
2 stops15h 00m
United Airlines
Deal found 26/6C$ 1,089
Mon 5/103:30 p.m.
YXU
-
LHR
2 stops15h 25m
United Airlines
Fri 9/104:00 p.m.
LHR
-
YXU
2 stops27h 55m
United Airlines
Deal found 29/6C$ 1,090
Mon 5/103:30 p.m.
YXU
-
LHR
1 stop13h 05m
Air Canada
Fri 9/106:00 a.m.
LHR
-
YXU
2 stops20h 40m
Air Canada
Deal found 30/6C$ 1,110
Fri 18/93:30 p.m.
YXU
-
LHR
1 stop12h 05m
Air Canada
Thu 24/96:00 a.m.
LHR
-
YXU
2 stops16h 43m
Air Canada
Deal found 26/6C$ 1,139
Sat 5/910:05 a.m.
YXU
-
LHR
2 stops15h 25m
Multiple Airlines
Mon 5/108:30 a.m.
LHR
-
YXU
1 stop14h 15m
Multiple Airlines
Deal found 26/6C$ 1,140
Tue 11/82:40 p.m.
YXU
-
STN
3 stops27h 40m
Multiple Airlines
Tue 18/810:00 p.m.
STN
-
YXU
3 stops36h 20m
Multiple Airlines
Deal found 27/6C$ 1,227
Tue 11/82:40 p.m.
YXU
-
LGW
3 stops24h 35m
Multiple Airlines
Tue 18/88:35 p.m.
LGW
-
YXU
3 stops37h 45m
Multiple Airlines
Deal found 27/6C$ 1,228
Wed 16/95:40 a.m.
YXU
-
EDI
1 stop20h 40m
Air Canada
Tue 22/912:30 p.m.
EDI
-
YXU
2 stops14h 10m
Air Canada
Deal found 26/6C$ 1,235

Find flight deals from London to United Kingdom

Keep the following information in mind while searching for London to United Kingdom flight deals. Data was last updated 30 June 2026.

Round-trip from

C$ 943

One-way from

C$ 596
Air Canada
  • Air Canada
  • 13/7-16/7
  • 2 total stops
  • 21h 42m total
  • London to United Kingdom
Search Deals
9/8
  • 9/8
  • 3 total stops
  • 46h 35m total
  • London to United Kingdom
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from London to United Kingdom that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 30 June 2026.
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
Quickest round-trip

LondonEdinburgh

YXU - EDI

YXUEDI

London

Mon 13/7

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

1 stop10h 50m

Edinburgh Turnhouse

Thu 16/7

9:00 a.m.-2:52 p.m.

1 stop10h 52m

C$ 943

LondonEdinburgh

YXU - EDI

YXUEDI

London

Mon 24/8

10:05 a.m.-7:20 a.m.

1 stop16h 15m

Edinburgh Turnhouse

Fri 28/8

9:00 a.m.-2:50 p.m.

1 stop10h 50m

C$ 970

LondonEdinburgh

YXU - EDI

YXUEDI

London

Thu 13/8

5:40 a.m.-10:35 a.m.

2 stops23h 55m

Edinburgh Turnhouse

Thu 20/8

11:30 a.m.-9:40 p.m.

2 stops15h 10m

C$ 1,044

LondonLondon

YXU - LHR

YXULHR

London

Mon 5/10

3:30 p.m.-11:55 a.m.

2 stops15h 25m

London Heathrow

Fri 9/10

4:00 p.m.-2:55 p.m.

2 stops27h 55m

C$ 1,089

LondonLondon

YXU - LHR

YXULHR

London

Sat 5/9

10:05 a.m.-10:40 a.m.

2 stops19h 35m

London Heathrow

Mon 5/10

7:45 a.m.-5:45 p.m.

2 stops15h 00m

C$ 1,089

LondonLondon

YXU - LHR

YXULHR

London

Mon 5/10

3:30 p.m.-9:35 a.m.

1 stop13h 05m

London Heathrow

Fri 9/10

6:00 a.m.-9:40 p.m.

2 stops20h 40m

C$ 1,110

LondonLondon

YXU - LHR

YXULHR

London

Sat 5/9

10:05 a.m.-6:30 a.m.

2 stops15h 25m

London Heathrow

Mon 5/10

8:30 a.m.-5:45 p.m.

1 stop14h 15m

C$ 1,140

LondonLondon

YXU - STN

YXUSTN

London

Tue 11/8

2:40 p.m.-11:20 p.m.

3 stops27h 40m

London Stansted

Tue 18/8

10:00 p.m.-5:20 a.m.

3 stops36h 20m

C$ 1,227

LondonLondon

YXU - LGW

YXULGW

London

Tue 11/8

2:40 p.m.-8:15 p.m.

3 stops24h 35m

London Gatwick

Tue 18/8

8:35 p.m.-5:20 a.m.

3 stops37h 45m

C$ 1,228

LondonLondon

YXU - LGW

YXULGW

London

Fri 18/9

10:05 a.m.-8:25 a.m.

2 stops17h 20m

London Gatwick

Thu 24/9

6:35 p.m.-5:43 p.m.

2 stops28h 08m

C$ 1,267

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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.
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
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from London to United Kingdom. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 Air Canada, United Airlines, or Lufthansa 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 Heathrow or London - London Gatwick, 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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