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Cheap flights from London, ON to the United Kingdom from C$ 530

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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — LHR
13 Aug — 20 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 14 July 2026.

Fri 21/83:30 p.m.
YXU
-
EDI
1 stop10h 50m
Air Canada
Fri 28/89:00 a.m.
EDI
-
YXU
1 stop17h 40m
Air Canada
Deal found 13/7C$ 934
Wed 26/83:30 p.m.
YXU
-
EDI
1 stop10h 50m
Air Canada
Wed 2/99:00 a.m.
EDI
-
YXU
1 stop17h 40m
Air Canada
Deal found 12/7C$ 939
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$ 964
Thu 27/83:30 p.m.
YXU
-
EDI
1 stop10h 50m
Air Canada
Thu 3/99:00 a.m.
EDI
-
YXU
1 stop13h 42m
Air Canada
Deal found 13/7C$ 965
Sun 11/1010:05 a.m.
YXU
-
LHR
2 stops17h 55m
United Airlines
Thu 15/107:45 a.m.
LHR
-
YXU
2 stops18h 55m
United Airlines
Deal found 9/7C$ 1,087
Mon 12/105:40 a.m.
YXU
-
LHR
2 stops20h 35m
United Airlines
Fri 16/103:20 p.m.
LHR
-
YXU
2 stops23h 00m
United Airlines
Deal found 12/7C$ 1,088
Mon 24/86:10 a.m.
YXU
-
GLA
2 stops46h 30m
WestJet
Mon 31/811:00 a.m.
GLA
-
YXU
2 stops31h 50m
WestJet
Deal found 10/7C$ 1,113
Wed 26/85:55 p.m.
YXU
-
GLA
2 stops58h 45m
WestJet
Wed 2/911:00 a.m.
GLA
-
YXU
2 stops55h 50m
WestJet
Deal found 12/7C$ 1,157
Thu 27/810:05 a.m.
YXU
-
EDI
2 stops19h 30m
United Airlines
Thu 3/911:30 a.m.
EDI
-
YXU
2 stops26h 50m
United Airlines
Deal found 13/7C$ 1,175
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 12/7C$ 1,233
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 10/7C$ 1,233
Tue 11/86:20 p.m.
YXU
-
LHR
1 stop9h 15m
Air Canada
Tue 25/86:00 a.m.
LHR
-
YXU
2 stops16h 42m
Air Canada
Deal found 9/7C$ 1,254

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 14 July 2026.

Round-trip from

C$ 934

One-way from

C$ 530
Air Canada
  • Air Canada
  • 21/8-28/8
  • 2 total stops
  • 28h 30m total
  • London to United Kingdom
Search Deals
4/12
  • 4/12
  • 1 total stop
  • 12h 10m 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 14 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 21/8

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

1 stop10h 50m

Edinburgh Turnhouse

Fri 28/8

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

1 stop17h 40m

C$ 934

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$ 968

LondonLondon

YXU - LHR

YXULHR

London

Sun 11/10

10:05 a.m.-9:00 a.m.

2 stops17h 55m

London Heathrow

Thu 15/10

7:45 a.m.-9:40 p.m.

2 stops18h 55m

C$ 1,087

LondonLondon

YXU - LHR

YXULHR

London

Mon 12/10

5:40 a.m.-7:15 a.m.

2 stops20h 35m

London Heathrow

Fri 16/10

3:20 p.m.-9:20 a.m.

2 stops23h 00m

C$ 1,088

LondonEdinburgh

YXU - EDI

YXUEDI

London

Thu 27/8

10:05 a.m.-10:35 a.m.

2 stops19h 30m

Edinburgh Turnhouse

Thu 3/9

11:30 a.m.-9:20 a.m.

2 stops26h 50m

C$ 1,175

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$ 1,233

LondonLondon

YXU - LHR

YXULHR

London

Sun 11/10

3:30 p.m.-8:35 a.m.

1 stop12h 05m

London Heathrow

Thu 15/10

6:50 a.m.-5:45 p.m.

2 stops15h 55m

C$ 1,267
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$ 1,268

LondonLondon

YXU - STN

YXUSTN

London

Tue 11/8

2:40 p.m.-10:20 p.m.

3 stops26h 40m

London Stansted

Tue 25/8

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

3 stops36h 20m

C$ 1,294

LondonLondon

YXU - LHR

YXULHR

London

Tue 4/8

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

1 stop9h 15m

London Heathrow

Wed 2/9

12:05 p.m.-9:19 a.m.

1 stop26h 14m

C$ 1,297

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/7

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 10h 50m. Fly via Air Canada, United Airlines, or WestJet 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 - Glasgow Intl 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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