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Cheap flights from London, ON to the United Kingdom from C$ 514

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 16/10. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — LHR
17 Jun — 24 Jun1
1 adult

Cheap 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 12 June 2025.

Round-trip from

C$ 935

One-way from

C$ 514

Popular in

December

Cheapest in

May

Average price

C$ 1,181
United Airlines
  • United Airlines
  • 5/10-21/10
  • 4 total stops
  • 33h 17m total
  • London to United Kingdom
Search Deals
WestJet
  • WestJet
  • 16/10
  • 1 total stop
  • 25h 05m total
  • London to United Kingdom
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 139 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 67 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from London to United Kingdom

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 12 June 2025.

Sun 5/106:15 a.m.YXU - LHR
2 stops19h 05mUnited Airlines
Wed 22/1012:15 p.m.LHR - YXU
2 stops14h 12mUnited Airlines
Deal found 10/6C$ 935
Thu 24/73:40 p.m.YXU - EDI
2 stops12h 25mLufthansa
Thu 31/79:00 a.m.EDI - YXU
1 stop17h 27mLufthansa
Deal found 10/6C$ 998
Sun 27/79:55 a.m.YXU - EDI
1 stop16h 25mAir Canada
Sun 3/89:40 a.m.EDI - YXU
2 stops16h 47mAir Canada
Deal found 12/6C$ 1,049
Sat 4/103:35 p.m.YXU - LHR
1 stop15h 15mAir Canada
Thu 23/106:50 a.m.LHR - YXU
2 stops19h 37mAir Canada
Deal found 10/6C$ 1,068
Sat 30/83:35 p.m.YXU - EDI
1 stop10h 45mMultiple Airlines
Sun 7/99:00 a.m.EDI - YXU
1 stop10h 57mMultiple Airlines
Deal found 10/6C$ 1,080
Sat 4/103:35 p.m.YXU - LHR
1 stop10h 00mLufthansa
Sun 19/103:50 p.m.LHR - YXU
1 stop10h 37mLufthansa
Deal found 10/6C$ 1,084
Tue 1/75:45 p.m.YXU - EDI
2 stops33h 40mUnited Airlines
Thu 31/712:30 p.m.EDI - YXU
2 stops13h 57mUnited Airlines
Deal found 10/6C$ 1,084
Tue 7/106:15 a.m.YXU - LHR
1 stop19h 20mMultiple Airlines
Tue 21/108:05 p.m.LHR - YXU
2 stops30h 22mMultiple Airlines
Deal found 10/6C$ 1,087
Fri 25/75:45 p.m.YXU - MAN
2 stops21h 05mMultiple Airlines
Fri 1/87:40 a.m.MAN - YXU
2 stops14h 27mMultiple Airlines
Deal found 10/6C$ 1,127
Sat 26/75:45 p.m.YXU - STN
2 stops25h 35mMultiple Airlines
Sat 2/86:35 a.m.STN - YXU
3 stops19h 52mMultiple Airlines
Deal found 11/6C$ 1,132
Sat 26/75:45 p.m.YXU - BRS
2 stops19h 50mMultiple Airlines
Sat 2/87:00 a.m.BRS - YXU
3 stops19h 27mMultiple Airlines
Deal found 11/6C$ 1,176
Tue 7/103:35 p.m.YXU - LCY
2 stops20h 55mSWISS
Tue 21/105:50 p.m.LCY - YXU
2 stops32h 37mSWISS
Deal found 10/6C$ 1,207

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 12 June 2025.
Use the filters below to find and compare flights from London to the United Kingdom that are best for you.

Fly from

London

Fly to

United Kingdom

Route

Depart

Return

Price

LondonLondon

YXU - LHR

YXULHR

London

Sun 5/10

6:15 a.m.-6:55 a.m.

2 stops19h 40m

London Heathrow

Mon 20/10

12:15 p.m.-9:27 p.m.

2 stops14h 12m

C$ 935

LondonEdinburgh

YXU - EDI

YXUEDI

London

Thu 24/7

3:40 p.m.-9:05 a.m.

2 stops12h 25m

Edinburgh Turnhouse

Thu 31/7

9:00 a.m.-9:27 p.m.

1 stop17h 27m

C$ 998

LondonEdinburgh

YXU - EDI

YXUEDI

London

Sun 27/7

9:55 a.m.-7:20 a.m.

1 stop16h 25m

Edinburgh Turnhouse

Sun 3/8

9:40 a.m.-9:27 p.m.

2 stops16h 47m

C$ 1,049

LondonLondon

YXU - LHR

YXULHR

London

Sat 4/10

3:35 p.m.-11:50 a.m.

1 stop15h 15m

London Heathrow

Thu 23/10

6:50 a.m.-9:27 p.m.

2 stops19h 37m

C$ 1,068

LondonEdinburgh

YXU - EDI

YXUEDI

London

Sat 30/8

3:35 p.m.-7:20 a.m.

1 stop10h 45m

Edinburgh Turnhouse

Sun 7/9

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

1 stop10h 57m

C$ 1,080

LondonLondon

YXU - LHR

YXULHR

London

Sat 4/10

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

1 stop10h 00m

London Heathrow

Sat 18/10

3:50 p.m.-9:27 p.m.

1 stop10h 37m

C$ 1,084

LondonEdinburgh

YXU - EDI

YXUEDI

London

Tue 1/7

5:45 p.m.-8:25 a.m.

2 stops33h 40m

Edinburgh Turnhouse

Thu 31/7

12:30 p.m.-9:27 p.m.

2 stops13h 57m

C$ 1,084

LondonLondon

YXU - LHR

YXULHR

London

Tue 7/10

6:15 a.m.-6:35 a.m.

1 stop19h 20m

London Heathrow

Tue 21/10

8:05 p.m.-9:27 p.m.

2 stops30h 22m

C$ 1,087

LondonManchester

YXU - MAN

YXUMAN

London

Fri 25/7

5:45 p.m.-7:50 p.m.

2 stops21h 05m

Manchester

Fri 1/8

7:40 a.m.-5:07 p.m.

2 stops14h 27m

C$ 1,127

LondonLondon

YXU - STN

YXUSTN

London

Sat 26/7

5:45 p.m.-12:20 a.m.

2 stops25h 35m

London Stansted

Sat 2/8

6:35 a.m.-9:27 p.m.

3 stops19h 52m

C$ 1,132

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/6

Showing 1-10 of 43 results
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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

What is the cheapest month to book a flight from London, Ontario to United Kingdom?

Currently, January is the cheapest month in which you can book a flight from London, Ontario to United Kingdom (average of C$ 560). Flying from London, Ontario to United Kingdom in July is currently the most expensive (average of C$ 857). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from YXU to GB?

Find hourly flight availability from London to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 June 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London, Ontario to United Kingdom as you normally would.

Rainfall in United Kingdom by month

Plan your trip to United Kingdom by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in United Kingdom ranges from 40.0 - 70.0 mm per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit United Kingdom when rainfall is around 40.0 mm.

Temperature in United Kingdom by month

Plan your trip to United Kingdom by taking into account the average temperature totals by month.

If weather is an important factor for your trip to United Kingdom, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 12 June 2025.
Read reviews from past customers who have flown SWISS, United Airlines and WestJet from London to United Kingdom. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.5
Good
1,623 reviews
Check prices

Boarding

7.6

Food

7.0

Crew

8.2

Comfort

7.4

Overall

7.5

Entertainment

6.7

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
SWISS
7.5
Good
1,623 reviews
SWISS
7.5
Good
1,623 reviews
Check prices

Boarding

7.6

Food

7.0

Crew

8.2

Comfort

7.4

Overall

7.5

Entertainment

6.7

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
United Airlines
7.4
Good
8,790 reviews
SWISS
7.5
Good
1,623 reviews
Check prices

Boarding

7.6

Food

7.0

Crew

8.2

Comfort

7.4

Overall

7.5

Entertainment

6.7

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
WestJet
7.2
Good
2,868 reviews
SWISS
7.5
Good
1,623 reviews
Check prices

Boarding

7.6

Food

7.0

Crew

8.2

Comfort

7.4

Overall

7.5

Entertainment

6.7

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
Air Canada
7.1
Good
9,531 reviews
SWISS
7.5
Good
1,623 reviews
Check prices

Boarding

7.6

Food

7.0

Crew

8.2

Comfort

7.4

Overall

7.5

Entertainment

6.7

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
Lufthansa
6.8
Okay
7,136 reviews
SWISS
7.5
Good
1,623 reviews
Check prices

Boarding

7.6

Food

7.0

Crew

8.2

Comfort

7.4

Overall

7.5

Entertainment

6.7

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

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.

  • What are the cheapest airlines to fly from London, Ontario to United Kingdom one-way?

    One-way options have recently been found by users for as low as C$ 514 on WestJet. Other airlines that offer cheap prices include Air Canada from C$ 619 and United Airlines from C$ 660 one-way.

  • 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.

  • What is the cheapest month to book a flight from London, Ontario to United Kingdom?

    Currently, January is the cheapest month in which you can book a flight from London, Ontario to United Kingdom (average of C$ 560). Flying from London, Ontario to United Kingdom in July is currently the most expensive (average of C$ 857). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 780AverageC$ 1,195FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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

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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.

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