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Cheap flights from London, ON to the United Kingdom from C$ 435

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 14/6. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — LHR
19 Jun — 26 Jun1
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 20 May 2026.

Thu 11/65:10 a.m.
YXU
-
EDI
2 stops21h 30m
Multiple Airlines
Mon 15/69:00 a.m.
EDI
-
YXU
1 stop17h 38m
Multiple Airlines
Deal found 17/5C$ 944
Mon 15/610:05 a.m.
YXU
-
EDI
1 stop16h 15m
Air Canada
Fri 19/69:00 a.m.
EDI
-
YXU
1 stop17h 37m
Air Canada
Deal found 19/5C$ 963
Thu 11/610:05 a.m.
YXU
-
EDI
1 stop16h 15m
Air Canada
Mon 15/69:00 a.m.
EDI
-
YXU
1 stop10h 58m
Air Canada
Deal found 18/5C$ 966
Thu 2/710:05 a.m.
YXU
-
EDI
1 stop16h 15m
Air Canada
Thu 9/79:00 a.m.
EDI
-
YXU
1 stop29h 20m
Air Canada
Deal found 18/5C$ 1,022
Mon 8/65:10 a.m.
YXU
-
LHR
2 stops20h 35m
United Airlines
Fri 12/69:30 a.m.
LHR
-
YXU
2 stops17h 08m
United Airlines
Deal found 19/5C$ 1,081
Fri 5/69:30 a.m.
YXU
-
LHR
2 stops16h 45m
United Airlines
Tue 9/64:40 p.m.
LHR
-
YXU
2 stops21h 38m
United Airlines
Deal found 17/5C$ 1,082
Fri 22/56:10 p.m.
YXU
-
LHR
1 stop9h 25m
Air Canada
Thu 4/66:00 a.m.
LHR
-
YXU
2 stops16h 33m
Air Canada
Deal found 18/5C$ 1,128
Mon 15/63:30 p.m.
YXU
-
LHR
1 stop10h 05m
Air Canada
Mon 22/68:30 a.m.
LHR
-
YXU
1 stop18h 07m
Air Canada
Deal found 17/5C$ 1,142
Fri 5/66:10 p.m.
YXU
-
LHR
1 stop10h 25m
Air Canada
Thu 11/65:40 p.m.
LHR
-
YXU
1 stop20h 38m
Air Canada
Deal found 16/5C$ 1,143
Fri 5/65:10 a.m.
YXU
-
LGW
2 stops29h 55m
Multiple Airlines
Thu 11/68:00 a.m.
LGW
-
YXU
2 stops14h 33m
Multiple Airlines
Deal found 16/5C$ 1,144
Mon 14/910:05 a.m.
YXU
-
MAN
2 stops19h 20m
Air Canada
Fri 18/99:00 a.m.
MAN
-
YXU
1 stop10h 55m
Air Canada
Deal found 19/5C$ 1,150
Wed 9/910:05 a.m.
YXU
-
GLA
2 stops19h 05m
United Airlines
Sun 13/92:00 p.m.
GLA
-
YXU
2 stops29h 55m
United Airlines
Deal found 19/5C$ 1,155

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 20 May 2026.

Round-trip from

C$ 944

One-way from

C$ 435

Popular in

June

Cheapest in

July

Average price

C$ 1,066
Lufthansa
  • Lufthansa
  • 11/6-15/6
  • 3 total stops
  • 39h 08m total
  • London to United Kingdom
Search Deals
14/6
  • 14/6
  • 3 total stops
  • 49h 15m total
  • London to United Kingdom
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 191 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (C$ 154 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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 20 May 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

Thu 11/6

5:10 a.m.-7:20 a.m.

1 stop21h 10m

Edinburgh Turnhouse

Mon 15/6

9:00 a.m.-9:38 p.m.

1 stop17h 38m

C$ 950

LondonEdinburgh

YXU - EDI

YXUEDI

London

Mon 15/6

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

1 stop16h 15m

Edinburgh Turnhouse

Fri 19/6

9:00 a.m.-9:37 p.m.

1 stop17h 37m

C$ 963

LondonEdinburgh

YXU - EDI

YXUEDI

London

Thu 11/6

5:10 a.m.-7:40 a.m.

2 stops21h 30m

Edinburgh Turnhouse

Mon 15/6

9:00 a.m.-5:33 p.m.

1 stop13h 33m

C$ 970

LondonEdinburgh

YXU - EDI

YXUEDI

London

Thu 2/7

6:20 p.m.-7:40 a.m.

2 stops32h 20m

Edinburgh Turnhouse

Thu 9/7

9:15 a.m.-9:20 a.m.

2 stops29h 05m

C$ 1,032

LondonLondon

YXU - LHR

YXULHR

London

Mon 8/6

5:10 a.m.-6:45 a.m.

2 stops20h 35m

London Heathrow

Fri 12/6

9:30 a.m.-9:38 p.m.

2 stops17h 08m

C$ 1,081

LondonLondon

YXU - LHR

YXULHR

London

Fri 5/6

5:10 a.m.-6:45 a.m.

2 stops20h 35m

London Heathrow

Thu 11/6

11:05 a.m.-9:38 p.m.

2 stops15h 33m

C$ 1,082

LondonLondon

YXU - LHR

YXULHR

London

Mon 15/6

5:10 a.m.-7:15 a.m.

2 stops21h 05m

London Heathrow

Mon 22/6

11:05 a.m.-9:17 a.m.

2 stops27h 12m

C$ 1,082

LondonLondon

YXU - LHR

YXULHR

London

Sun 7/6

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

2 stops14h 10m

London Heathrow

Wed 17/6

2:10 p.m.-9:17 a.m.

2 stops24h 07m

C$ 1,082

LondonLondon

YXU - LHR

YXULHR

London

Fri 5/6

9:30 a.m.-7:15 a.m.

2 stops16h 45m

London Heathrow

Tue 9/6

4:40 p.m.-9:18 a.m.

2 stops21h 38m

C$ 1,082
Quickest round-trip

LondonEdinburgh

YXU - EDI

YXUEDI

London

Wed 1/7

3:30 p.m.-7:40 a.m.

2 stops11h 10m

Edinburgh Turnhouse

Wed 8/7

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

2 stops14h 10m

C$ 1,087

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/5

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
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6

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 20 May 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
11,067 reviews
Check prices

Food

6.3

Crew

7.8

Overall

7.1

Boarding

7.3

Entertainment

6.8

Comfort

7.1

Reviews

1 / 20
6.0
Good

Thomas,Apr 2026

YYZ - LHR

Food is sub par. I travel a lot and AC food is not good
Air Canada
7.1
Good
11,067 reviews
Air Canada
7.1
Good
11,067 reviews
Check prices

Food

6.3

Crew

7.8

Overall

7.1

Boarding

7.3

Entertainment

6.8

Comfort

7.1

Reviews

1 / 20
6.0
Good

Thomas,Apr 2026

YYZ - LHR

Food is sub par. I travel a lot and AC food is not good

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 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 - London Heathrow 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London to United Kingdom

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from London to United Kingdom

Discover the top airline that operate flights from London to United Kingdom. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 20 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 862AverageC$ 1,236FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to United Kingdom?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to United Kingdom from London today with Cheapflights!

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Millions of users choose and trust Cheapflights to book the best flight deals from London to United Kingdom for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from London to United Kingdom with no change fees?

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.

Can Cheapflights notify me if prices for flights from London to United Kingdom become cheaper?

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