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Cheap flights from London, ON to the United Kingdom from C$ 570

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 18/11. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — LHR
27 Jun — 4 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 28 May 2026.

Sat 18/73:30 p.m.
YXU
-
EDI
1 stop10h 50m
Lufthansa
Tue 28/79:00 a.m.
EDI
-
YXU
1 stop17h 40m
Lufthansa
Deal found 28/5C$ 936
Mon 15/65:10 a.m.
YXU
-
EDI
1 stop21h 10m
Air Canada
Fri 19/69:00 a.m.
EDI
-
YXU
1 stop17h 37m
Air Canada
Deal found 24/5C$ 965
Sat 18/76:20 p.m.
YXU
-
EDI
2 stops32h 20m
Air Canada
Tue 28/79:15 a.m.
EDI
-
YXU
2 stops13h 27m
Air Canada
Deal found 28/5C$ 975
Sat 6/610:05 a.m.
YXU
-
EDI
2 stops19h 30m
United Airlines
Sat 13/612:30 p.m.
EDI
-
YXU
2 stops34h 03m
United Airlines
Deal found 23/5C$ 1,038
Sat 6/610:05 a.m.
YXU
-
GLA
2 stops19h 05m
United Airlines
Sat 13/62:00 p.m.
GLA
-
YXU
2 stops29h 58m
United Airlines
Deal found 24/5C$ 1,048
Sun 21/65:10 a.m.
YXU
-
EDI
1 stop21h 10m
Air Canada
Sun 28/69:00 a.m.
EDI
-
YXU
1 stop10h 57m
Air Canada
Deal found 24/5C$ 1,069
Wed 21/105:40 a.m.
YXU
-
LHR
1 stop19h 55m
Air Canada
Sun 25/106:00 a.m.
LHR
-
YXU
2 stops19h 46m
Air Canada
Deal found 27/5C$ 1,174
Sat 20/610:05 a.m.
YXU
-
LHR
2 stops15h 40m
United Airlines
Sat 27/69:30 a.m.
LHR
-
YXU
2 stops28h 47m
United Airlines
Deal found 23/5C$ 1,185
Wed 21/1010:05 a.m.
YXU
-
LHR
2 stops19h 35m
United Airlines
Sun 25/1012:05 p.m.
LHR
-
YXU
2 stops31h 01m
United Airlines
Deal found 24/5C$ 1,193
Tue 23/65:10 a.m.
YXU
-
LHR
2 stops20h 45m
Lufthansa
Tue 30/66:00 p.m.
LHR
-
YXU
2 stops28h 42m
Lufthansa
Deal found 26/5C$ 1,200
Wed 22/73:30 p.m.
YXU
-
LHR
1 stop13h 05m
Lufthansa
Fri 2/107:45 a.m.
LHR
-
YXU
2 stops15h 00m
Lufthansa
Deal found 23/5C$ 1,232
Wed 22/73:30 p.m.
YXU
-
LHR
2 stops14h 10m
United Airlines
Fri 2/107:45 a.m.
LHR
-
YXU
2 stops15h 00m
United Airlines
Deal found 23/5C$ 1,235

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 May 2026.

Round-trip from

C$ 936

One-way from

C$ 570

Popular in

June

Cheapest in

July

Average price

C$ 1,071
Lufthansa
  • Lufthansa
  • 18/7-28/7
  • 2 total stops
  • 28h 30m total
  • London to United Kingdom
Search Deals
18/11
  • 18/11
  • 1 total stop
  • 12h 05m total
  • London to United Kingdom
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 198 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (C$ 155 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 28 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

Mon 15/6

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

1 stop21h 10m

Edinburgh Turnhouse

Fri 19/6

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

1 stop17h 37m

C$ 965

LondonEdinburgh

YXU - EDI

YXUEDI

London

Sat 18/7

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

2 stops32h 20m

Edinburgh Turnhouse

Tue 28/7

9:15 a.m.-5:42 p.m.

2 stops13h 27m

C$ 975

LondonGlasgow

YXU - GLA

YXUGLA

London

Wed 9/9

6:20 p.m.-10:10 a.m.

2 stops34h 50m

Glasgow Intl

Sun 13/9

2:00 p.m.-9:20 a.m.

2 stops24h 20m

C$ 1,049

LondonEdinburgh

YXU - EDI

YXUEDI

London

Sun 21/6

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

1 stop21h 10m

Edinburgh Turnhouse

Sun 28/6

9:00 a.m.-2:57 p.m.

1 stop10h 57m

C$ 1,069

LondonLondon

YXU - LHR

YXULHR

London

Wed 21/10

5:40 a.m.-6:35 a.m.

1 stop19h 55m

London Heathrow

Sun 25/10

6:00 a.m.-9:46 p.m.

2 stops19h 46m

C$ 1,174

LondonLondon

YXU - LHR

YXULHR

London

Sat 20/6

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

2 stops15h 40m

London Heathrow

Sat 27/6

9:30 a.m.-9:17 a.m.

2 stops28h 47m

C$ 1,185

LondonLondon

YXU - LHR

YXULHR

London

Wed 21/10

10:05 a.m.-10:40 a.m.

2 stops19h 35m

London Heathrow

Sun 25/10

12:05 p.m.-3:06 p.m.

2 stops31h 01m

C$ 1,193

LondonLondon

YXU - LHR

YXULHR

London

Mon 6/7

6:20 p.m.-11:50 a.m.

1 stop12h 30m

London Heathrow

Mon 13/7

9:30 a.m.-5:45 p.m.

2 stops13h 15m

C$ 1,286
Quickest round-trip

LondonLondon

YXU - LHR

YXULHR

London

Mon 13/7

3:30 p.m.-9:35 a.m.

1 stop13h 05m

London Heathrow

Mon 27/7

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

1 stop11h 25m

C$ 1,301

LondonLondon

YXU - STN

YXUSTN

London

Wed 8/7

5:10 a.m.-11:30 a.m.

3 stops25h 20m

London Stansted

Wed 15/7

8:20 a.m.-9:40 p.m.

2 stops18h 20m

C$ 1,371

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/5

Showing 1-10 of 56 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 28 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
11,095 reviews
Check prices

Crew

7.8

Food

6.3

Entertainment

6.8

Overall

7.1

Boarding

7.3

Comfort

7.1

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
11,095 reviews
Air Canada
7.1
Good
11,095 reviews
Check prices

Crew

7.8

Food

6.3

Entertainment

6.8

Overall

7.1

Boarding

7.3

Comfort

7.1

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 21h 10m. Fly via Air Canada, United Airlines, or SWISS 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 Gatwick or London - London Stansted, 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

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 28 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 866AverageC$ 1,242FlexibilityNo 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!

Why should you use Cheapflights to find cheap flight tickets from London to United Kingdom?

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?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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