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Cheap flights from London, ON to the United Kingdom from C$ 558

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — LHR
18 Aug — 25 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 19 July 2026.

Sun 23/85:40 a.m.
YXU
-
EDI
1 stop20h 40m
Air Canada
Fri 28/89:00 a.m.
EDI
-
YXU
1 stop10h 50m
Air Canada
Deal found 18/7C$ 949
Fri 28/85:40 a.m.
YXU
-
EDI
1 stop20h 40m
Air Canada
Fri 4/99:00 a.m.
EDI
-
YXU
1 stop17h 40m
Air Canada
Deal found 14/7C$ 959
Thu 13/86:20 p.m.
YXU
-
EDI
2 stops35h 15m
United Airlines
Thu 20/811:30 a.m.
EDI
-
YXU
2 stops15h 10m
United Airlines
Deal found 16/7C$ 1,040
Thu 22/103:30 p.m.
YXU
-
LHR
2 stops12h 50m
United Airlines
Fri 30/107:40 a.m.
LHR
-
YXU
2 stops28h 57m
United Airlines
Deal found 15/7C$ 1,085
Mon 12/103:30 p.m.
YXU
-
LHR
2 stops13h 55m
United Airlines
Fri 16/107:45 a.m.
LHR
-
YXU
2 stops30h 35m
United Airlines
Deal found 14/7C$ 1,086
Tue 1/93:30 p.m.
YXU
-
EDI
1 stop10h 50m
Air Canada
Tue 8/99:00 a.m.
EDI
-
YXU
1 stop10h 50m
Air Canada
Deal found 18/7C$ 1,103
Sun 23/82:40 p.m.
YXU
-
EDI
3 stops38h 30m
Multiple Airlines
Fri 28/811:30 a.m.
EDI
-
YXU
2 stops55h 20m
Multiple Airlines
Deal found 18/7C$ 1,171
Wed 16/95:40 a.m.
YXU
-
EDI
1 stop20h 40m
Air Canada
Tue 22/99:40 a.m.
EDI
-
YXU
2 stops17h 00m
Air Canada
Deal found 15/7C$ 1,232
Mon 12/106:20 p.m.
YXU
-
LHR
1 stop9h 15m
Air Canada
Fri 16/106:00 a.m.
LHR
-
YXU
2 stops16h 45m
Air Canada
Deal found 14/7C$ 1,242
Thu 22/106:20 p.m.
YXU
-
LHR
1 stop9h 15m
Air Canada
Fri 30/109:00 a.m.
LHR
-
YXU
2 stops16h 52m
Air Canada
Deal found 15/7C$ 1,262
Tue 1/96:10 a.m.
YXU
-
GLA
2 stops19h 40m
Multiple Airlines
Tue 8/94:55 p.m.
GLA
-
YXU
3 stops41h 25m
Multiple Airlines
Deal found 18/7C$ 1,295
Sat 29/83:30 p.m.
YXU
-
LHR
2 stops14h 10m
United Airlines
Sat 5/912:15 p.m.
LHR
-
YXU
2 stops14h 25m
United Airlines
Deal found 15/7C$ 1,300

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 19 July 2026.

Round-trip from

C$ 949

One-way from

C$ 558
Air Canada
  • Air Canada
  • 23/8-28/8
  • 2 total stops
  • 31h 30m total
  • London to United Kingdom
Search Deals
1/10
  • 1/10
  • 2 total stops
  • 21h 45m 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 19 July 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

LondonEdinburgh

YXU - EDI

YXUEDI

London

Fri 28/8

10:05 a.m.-7:40 a.m.

2 stops16h 35m

Edinburgh Turnhouse

Fri 4/9

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

1 stop17h 40m

C$ 963

LondonEdinburgh

YXU - EDI

YXUEDI

London

Sun 23/8

10:05 a.m.-7:40 a.m.

2 stops16h 35m

Edinburgh Turnhouse

Fri 28/8

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

2 stops17h 00m

C$ 1,014

LondonLondon

YXU - LHR

YXULHR

London

Mon 12/10

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

2 stops13h 55m

London Heathrow

Fri 16/10

7:45 a.m.-9:20 a.m.

2 stops30h 35m

C$ 1,086

LondonEdinburgh

YXU - EDI

YXUEDI

London

Sun 23/8

2:40 p.m.-10:10 a.m.

3 stops38h 30m

Edinburgh Turnhouse

Fri 28/8

11:30 a.m.-1:50 p.m.

2 stops55h 20m

C$ 1,171

LondonEdinburgh

YXU - EDI

YXUEDI

London

Wed 16/9

5:40 a.m.-7:20 a.m.

1 stop20h 40m

Edinburgh Turnhouse

Tue 22/9

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

2 stops15h 10m

C$ 1,232
Quickest round-trip

LondonLondon

YXU - LHR

YXULHR

London

Mon 12/10

6:20 p.m.-11:50 a.m.

1 stop12h 30m

London Heathrow

Fri 16/10

12:05 p.m.-9:40 p.m.

1 stop14h 35m

C$ 1,270

LondonLondon

YXU - LHR

YXULHR

London

Sat 29/8

3:30 p.m.-10:40 a.m.

2 stops14h 10m

London Heathrow

Sat 5/9

12:15 p.m.-9:40 p.m.

2 stops14h 25m

C$ 1,300

LondonLondon

YXU - LHR

YXULHR

London

Tue 18/8

3:25 p.m.-10:00 a.m.

2 stops13h 35m

London Heathrow

Mon 24/8

6:50 a.m.-9:40 p.m.

2 stops19h 50m

C$ 1,315

LondonLondon

YXU - LHR

YXULHR

London

Fri 4/9

3:30 p.m.-10:00 a.m.

2 stops13h 30m

London Heathrow

Mon 7/9

2:10 p.m.-9:20 a.m.

1 stop24h 10m

C$ 1,340

LondonGlasgow

YXU - GLA

YXUGLA

London

Wed 7/10

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

2 stops23h 30m

Glasgow Intl

Sun 11/10

2:00 p.m.-9:20 a.m.

2 stops24h 20m

C$ 1,364

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/7

Showing 1-10 of 57 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 13h 55m. 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 - Glasgow Intl or London - London Heathrow, 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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