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Cheap flights from London, ON to the United Kingdom from C$ 437

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 14/7. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — LHR
24 Jul — 31 Jul1
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 24 June 2026.

Sat 10/103:30 p.m.
YXU
-
MAN
1 stop10h 00m
Air Canada
Wed 14/109:00 a.m.
MAN
-
YXU
1 stop10h 55m
Air Canada
Deal found 22/6C$ 989
Fri 18/93:30 p.m.
YXU
-
EDI
2 stops35h 35m
United Airlines
Tue 22/99:40 a.m.
EDI
-
YXU
2 stops17h 00m
United Airlines
Deal found 22/6C$ 1,043
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 23/6C$ 1,088
Sun 11/1010:05 a.m.
YXU
-
LHR
2 stops16h 10m
United Airlines
Wed 14/108:00 a.m.
LHR
-
YXU
2 stops18h 40m
United Airlines
Deal found 21/6C$ 1,091
Tue 1/95:40 a.m.
YXU
-
EDI
1 stop20h 40m
Air Canada
Mon 7/99:00 a.m.
EDI
-
YXU
1 stop10h 50m
Air Canada
Deal found 19/6C$ 1,117
Mon 3/83:30 p.m.
YXU
-
EDI
1 stop10h 50m
Air Canada
Wed 2/99:00 a.m.
EDI
-
YXU
1 stop13h 42m
Air Canada
Deal found 21/6C$ 1,119
Sun 2/89:10 p.m.
YXU
-
EDI
1 stop29h 10m
Air Canada
Fri 4/99:00 a.m.
EDI
-
YXU
1 stop13h 45m
Air Canada
Deal found 21/6C$ 1,121
Mon 5/1010:05 a.m.
YXU
-
LHR
1 stop18h 30m
Air Canada
Fri 9/106:00 a.m.
LHR
-
YXU
2 stops20h 40m
Air Canada
Deal found 23/6C$ 1,139
Sun 11/106:20 p.m.
YXU
-
LHR
1 stop10h 15m
Air Canada
Wed 14/108:40 a.m.
LHR
-
YXU
2 stops18h 00m
Air Canada
Deal found 20/6C$ 1,142
Tue 4/810:05 a.m.
YXU
-
EDI
1 stop16h 15m
Air Canada
Sat 5/99:00 a.m.
EDI
-
YXU
1 stop29h 20m
Air Canada
Deal found 21/6C$ 1,236
Fri 18/910:05 a.m.
YXU
-
EDI
1 stop16h 15m
Air Canada
Tue 22/99:00 a.m.
EDI
-
YXU
1 stop10h 50m
Air Canada
Deal found 22/6C$ 1,239
Wed 5/83:30 p.m.
YXU
-
LHR
1 stop15h 20m
Air Canada
Wed 12/88:30 a.m.
LHR
-
YXU
1 stop14h 12m
Air Canada
Deal found 21/6C$ 1,264

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 24 June 2026.

Round-trip from

C$ 989

One-way from

C$ 437
Air Canada
  • Air Canada
  • 10/10-14/10
  • 2 total stops
  • 20h 55m total
  • London to United Kingdom
Search Deals
WestJet
  • WestJet
  • 14/7
  • 2 total stops
  • 38h 00m 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 24 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

LondonManchester

YXU - MAN

YXUMAN

London

Sat 10/10

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

1 stop10h 00m

Manchester

Wed 14/10

9:00 a.m.-2:55 p.m.

1 stop10h 55m

C$ 990

LondonEdinburgh

YXU - EDI

YXUEDI

London

Fri 18/9

3:30 p.m.-8:05 a.m.

2 stops35h 35m

Edinburgh Turnhouse

Tue 22/9

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

2 stops17h 00m

C$ 1,043

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$ 1,088

LondonLondon

YXU - LHR

YXULHR

London

Sun 11/10

10:05 a.m.-7:15 a.m.

2 stops16h 10m

London Heathrow

Wed 14/10

8:00 a.m.-9:40 p.m.

2 stops18h 40m

C$ 1,091

LondonLondon

YXU - LHR

YXULHR

London

Mon 5/10

10:05 a.m.-9:35 a.m.

1 stop18h 30m

London Heathrow

Fri 9/10

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

2 stops20h 40m

C$ 1,139

LondonLondon

YXU - LHR

YXULHR

London

Sun 11/10

3:30 p.m.-6:35 a.m.

1 stop10h 05m

London Heathrow

Wed 14/10

8:30 a.m.-2:55 p.m.

1 stop11h 25m

C$ 1,166

LondonEdinburgh

YXU - EDI

YXUEDI

London

Sat 1/8

9:10 p.m.-7:20 a.m.

1 stop29h 10m

Edinburgh Turnhouse

Sat 5/9

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

1 stop17h 40m

C$ 1,261

LondonEdinburgh

YXU - EDI

YXUEDI

London

Wed 16/9

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

1 stop16h 15m

Edinburgh Turnhouse

Tue 22/9

6:10 a.m.-9:40 p.m.

2 stops20h 30m

C$ 1,264

LondonLondon

YXU - LHR

YXULHR

London

Wed 5/8

3:30 p.m.-11:50 a.m.

1 stop15h 20m

London Heathrow

Wed 12/8

8:30 a.m.-5:42 p.m.

1 stop14h 12m

C$ 1,264

LondonLondon

YXU - LHR

YXULHR

London

Tue 4/8

6:20 p.m.-9:35 a.m.

1 stop10h 15m

London Heathrow

Tue 11/8

8:30 a.m.-5:42 p.m.

1 stop14h 12m

C$ 1,270

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/6

Showing 1-10 of 50 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.

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to United Kingdom. Reviews last updated 24 June 2026.
Get a feel of what it's like to fly with Air Canada from London to the United Kingdom by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
11,251 reviews
Check prices

Food

6.3

Comfort

7.1

Overall

7.1

Crew

7.8

Entertainment

6.8

Boarding

7.3

Reviews

1 / 20
2.0
Mediocre

Lori,May 2026

YYZ - YFC

Didn't land, sent back to Toronto. No food, no accommodation, no help at all!!
Air Canada
7.1
Good
11,251 reviews
Air Canada
7.1
Good
11,251 reviews
Check prices

Food

6.3

Comfort

7.1

Overall

7.1

Crew

7.8

Entertainment

6.8

Boarding

7.3

Reviews

1 / 20
2.0
Mediocre

Lori,May 2026

YYZ - YFC

Didn't land, sent back to Toronto. No food, no accommodation, no help at all!!

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, United Airlines, or Lufthansa 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 - Edinburgh Turnhouse or London - Glasgow Intl, 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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Cheapflights does show flights with no change fees to all users. To see these options for flights from London to United Kingdom, users can toggle the no change fees filter when performing a flight search.

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