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Cheap flights from London, ON to the United Kingdom from C$ 600

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 18/9. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — LHR
27 Aug — 3 Sep1
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 28 July 2026.

Wed 9/96:20 p.m.
YXU
-
MAN
1 stop31h 10m
Air Canada
Wed 16/99:00 a.m.
MAN
-
YXU
1 stop17h 40m
Air Canada
Deal found 26/7C$ 969
Sat 22/85:40 a.m.
YXU
-
EDI
1 stop20h 40m
Air Canada
Fri 28/89:00 a.m.
EDI
-
YXU
1 stop10h 50m
Air Canada
Deal found 24/7C$ 969
Thu 10/93:30 p.m.
YXU
-
MAN
1 stop10h 00m
Lufthansa
Sun 13/99:00 a.m.
MAN
-
YXU
1 stop13h 43m
Lufthansa
Deal found 28/7C$ 989
Sun 23/810:05 a.m.
YXU
-
EDI
2 stops16h 35m
Air Canada
Fri 28/89:00 a.m.
EDI
-
YXU
1 stop17h 40m
Air Canada
Deal found 27/7C$ 1,019
Tue 8/93:30 p.m.
YXU
-
MAN
1 stop10h 00m
Lufthansa
Tue 15/95:55 a.m.
MAN
-
YXU
2 stops16h 48m
Lufthansa
Deal found 24/7C$ 1,054
Sun 18/105:40 a.m.
YXU
-
EDI
2 stops21h 45m
United Airlines
Thu 22/1011:30 a.m.
EDI
-
YXU
2 stops26h 50m
United Airlines
Deal found 27/7C$ 1,088
Wed 9/95:40 a.m.
YXU
-
LHR
2 stops20h 15m
United Airlines
Wed 16/94:40 p.m.
LHR
-
YXU
2 stops21h 40m
United Airlines
Deal found 28/7C$ 1,089
Mon 7/93:30 p.m.
YXU
-
LHR
2 stops14h 10m
United Airlines
Mon 14/910:25 a.m.
LHR
-
YXU
2 stops16h 15m
United Airlines
Deal found 25/7C$ 1,091
Thu 3/95:40 a.m.
YXU
-
LHR
2 stops19h 15m
United Airlines
Tue 8/93:20 p.m.
LHR
-
YXU
2 stops23h 00m
United Airlines
Deal found 24/7C$ 1,092
Wed 9/910:05 a.m.
YXU
-
LGW
3 stops30h 40m
Multiple Airlines
Wed 16/98:00 a.m.
LGW
-
YXU
2 stops14h 43m
Multiple Airlines
Deal found 27/7C$ 1,113
Wed 9/910:05 a.m.
YXU
-
MAN
3 stops30h 45m
Multiple Airlines
Wed 16/97:00 a.m.
MAN
-
YXU
2 stops15h 43m
Multiple Airlines
Deal found 26/7C$ 1,156
Fri 21/83:30 p.m.
YXU
-
EDI
2 stops11h 10m
Air Canada
Thu 27/89:00 a.m.
EDI
-
YXU
1 stop17h 40m
Air Canada
Deal found 26/7C$ 1,156

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 28 July 2026.

Round-trip from

C$ 969

One-way from

C$ 545
Air Canada
  • Air Canada
  • 9/9-16/9
  • 2 total stops
  • 48h 50m total
  • London to United Kingdom
Search Deals
United Airlines
  • United Airlines
  • 30/9
  • 2 total stops
  • 34h 50m 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 28 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

Sat 22/8

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

1 stop20h 40m

Edinburgh Turnhouse

Fri 28/8

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

1 stop10h 50m

C$ 969
Quickest round-trip

LondonManchester

YXU - MAN

YXUMAN

London

Thu 10/9

3:30 p.m.-6:30 a.m.

1 stop10h 00m

Manchester

Sun 13/9

9:00 a.m.-5:43 p.m.

1 stop13h 43m

C$ 989

LondonManchester

YXU - MAN

YXUMAN

London

Thu 10/9

5:40 a.m.-6:30 a.m.

1 stop19h 50m

Manchester

Sun 13/9

9:00 a.m.-5:43 p.m.

1 stop13h 43m

C$ 989

LondonEdinburgh

YXU - EDI

YXUEDI

London

Sun 18/10

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

1 stop10h 50m

Edinburgh Turnhouse

Thu 22/10

9:00 a.m.-5:45 p.m.

1 stop13h 45m

C$ 1,014

LondonManchester

YXU - MAN

YXUMAN

London

Tue 8/9

3:30 p.m.-6:30 a.m.

1 stop10h 00m

Manchester

Tue 15/9

5:55 a.m.-5:43 p.m.

2 stops16h 48m

C$ 1,054

LondonEdinburgh

YXU - EDI

YXUEDI

London

Sun 18/10

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

2 stops21h 45m

Edinburgh Turnhouse

Thu 22/10

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

2 stops26h 50m

C$ 1,088

LondonLondon

YXU - LHR

YXULHR

London

Fri 2/10

5:40 a.m.-6:45 a.m.

2 stops20h 05m

London Heathrow

Mon 12/10

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

2 stops24h 10m

C$ 1,089

LondonLondon

YXU - LHR

YXULHR

London

Wed 9/9

5:40 a.m.-6:55 a.m.

2 stops20h 15m

London Heathrow

Wed 16/9

4:40 p.m.-9:20 a.m.

2 stops21h 40m

C$ 1,089

LondonLondon

YXU - LHR

YXULHR

London

Fri 11/9

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

2 stops17h 55m

London Heathrow

Fri 18/9

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

2 stops23h 00m

C$ 1,089

LondonLondon

YXU - LHR

YXULHR

London

Sun 4/10

10:05 a.m.-6:45 a.m.

2 stops15h 40m

London Heathrow

Thu 8/10

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

2 stops28h 45m

C$ 1,089

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/7

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. Fly via Air Canada, Lufthansa, or United Airlines to get the fastest option. London, Ontario and United Kingdom are separated by a distance of 5647 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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