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Cheap flights from London, ON to the United Kingdom from C$ 617

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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — LHR
6 Aug — 13 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 7 July 2026.

Mon 17/86:20 p.m.
YXU
-
STN
2 stops13h 30m
Multiple Airlines
Mon 24/86:30 a.m.
STN
-
YXU
2 stops20h 10m
Multiple Airlines
Deal found 5/7C$ 936
Tue 18/83:25 p.m.
YXU
-
EDI
1 stop10h 55m
Air Canada
Tue 25/89:00 a.m.
EDI
-
YXU
1 stop17h 40m
Air Canada
Deal found 4/7C$ 936
Sat 15/83:30 p.m.
YXU
-
EDI
1 stop10h 50m
Air Canada
Sat 22/89:00 a.m.
EDI
-
YXU
1 stop10h 50m
Air Canada
Deal found 3/7C$ 940
Wed 19/85:40 a.m.
YXU
-
EDI
1 stop20h 40m
Air Canada
Wed 26/89:00 a.m.
EDI
-
YXU
1 stop10h 50m
Air Canada
Deal found 7/7C$ 942
Tue 4/810:05 a.m.
YXU
-
EDI
1 stop16h 15m
Air Canada
Mon 10/89:00 a.m.
EDI
-
YXU
1 stop17h 40m
Air Canada
Deal found 6/7C$ 943
Thu 20/83:30 p.m.
YXU
-
STN
2 stops23h 05m
Multiple Airlines
Thu 27/86:30 a.m.
STN
-
YXU
3 stops20h 10m
Multiple Airlines
Deal found 6/7C$ 948
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 6/7C$ 969
Sun 12/73:30 p.m.
YXU
-
EDI
1 stop10h 50m
Air Canada
Tue 21/79:15 a.m.
EDI
-
YXU
2 stops16h 17m
Air Canada
Deal found 2/7C$ 973
Mon 14/95:40 a.m.
YXU
-
LHR
2 stops21h 40m
United Airlines
Mon 21/97:45 a.m.
LHR
-
YXU
2 stops14h 58m
United Airlines
Deal found 2/7C$ 1,090
Mon 5/103:30 p.m.
YXU
-
LHR
2 stops13h 55m
United Airlines
Fri 9/106:00 p.m.
LHR
-
YXU
2 stops25h 55m
United Airlines
Deal found 2/7C$ 1,091
Sat 29/86:20 p.m.
YXU
-
LHR
1 stop12h 30m
Air Canada
Mon 31/811:05 a.m.
LHR
-
YXU
2 stops32h 45m
Air Canada
Deal found 3/7C$ 1,158
Tue 27/109:15 a.m.
YXU
-
LHR
1 stop17h 15m
Air Canada
Tue 10/116:00 a.m.
LHR
-
YXU
2 stops20h 52m
Air Canada
Deal found 4/7C$ 1,212

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 7 July 2026.

Round-trip from

C$ 936

One-way from

C$ 617
17/8-24/8
  • 17/8-24/8
  • 4 total stops
  • 33h 40m total
  • London to United Kingdom
Search Deals
2/8
  • 2/8
  • 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 7 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

LondonLondon

YXU - STN

YXUSTN

London

Mon 17/8

6:20 p.m.-12:50 p.m.

2 stops13h 30m

London Stansted

Mon 24/8

6:30 a.m.-9:40 p.m.

2 stops20h 10m

C$ 936

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

Tue 4/8

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

2 stops17h 20m

Edinburgh Turnhouse

Mon 10/8

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

2 stops17h 25m

C$ 1,019

LondonEdinburgh

YXU - EDI

YXUEDI

London

Sat 15/8

3:30 p.m.-10:35 a.m.

2 stops14h 05m

Edinburgh Turnhouse

Sat 22/8

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

2 stops17h 25m

C$ 1,019

LondonLondon

YXU - LHR

YXULHR

London

Mon 14/9

5:40 a.m.-8:20 a.m.

2 stops21h 40m

London Heathrow

Mon 21/9

7:45 a.m.-5:43 p.m.

2 stops14h 58m

C$ 1,090

LondonLondon

YXU - LHR

YXULHR

London

Mon 5/10

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

2 stops13h 55m

London Heathrow

Fri 9/10

6:00 p.m.-2:55 p.m.

2 stops25h 55m

C$ 1,091

LondonEdinburgh

YXU - EDI

YXUEDI

London

Tue 15/9

5:40 a.m.-8:25 a.m.

2 stops21h 45m

Edinburgh Turnhouse

Thu 1/10

12:30 p.m.-2:55 p.m.

2 stops31h 25m

C$ 1,213
Quickest round-trip

LondonLondon

YXU - LHR

YXULHR

London

Mon 5/10

6:20 p.m.-8:35 a.m.

1 stop9h 15m

London Heathrow

Fri 9/10

6:00 a.m.-5:45 p.m.

2 stops16h 45m

C$ 1,237

LondonEdinburgh

YXU - EDI

YXUEDI

London

Wed 16/9

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

1 stop20h 40m

Edinburgh Turnhouse

Tue 22/9

12:30 p.m.-9:40 p.m.

2 stops14h 10m

C$ 1,240

LondonLondon

YXU - LHR

YXULHR

London

Tue 8/12

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

1 stop16h 15m

London Heathrow

Wed 30/12

6:00 a.m.-9:47 p.m.

2 stops20h 47m

C$ 1,273

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

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 16h 15m. 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 - Edinburgh Turnhouse or London - London Gatwick, 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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