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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 16/8. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — LHR
8 Jul — 15 Jul1
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 3 July 2025.

Round-trip from

C$ 947

One-way from

C$ 600

Popular in

December

Cheapest in

May

Average price

C$ 890
United Airlines
  • United Airlines
  • 2/9-2/10
  • 4 total stops
  • 37h 37m total
  • London to United Kingdom
Search Deals
WestJet
  • WestJet
  • 16/8
  • 2 total stops
  • 32h 05m total
  • London to United Kingdom
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 161 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 68 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
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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 3 July 2025.

Tue 2/99:55 a.m.YXU - LHR
2 stops15h 25mUnited Airlines
Wed 1/103:20 p.m.LHR - YXU
2 stops22h 57mUnited Airlines
Deal found 1/7C$ 947
Tue 12/83:40 p.m.YXU - EDI
1 stop10h 40mAir Canada
Tue 26/811:15 a.m.EDI - YXU
2 stops15h 12mAir Canada
Deal found 1/7C$ 1,032
Fri 15/83:40 p.m.YXU - EDI
2 stops15h 00mUnited Airlines
Fri 22/812:30 p.m.EDI - YXU
2 stops13h 57mUnited Airlines
Deal found 1/7C$ 1,107
Fri 15/85:45 p.m.YXU - STN
2 stops22h 35mMultiple Airlines
Fri 22/86:40 a.m.STN - YXU
2 stops13h 22mMultiple Airlines
Deal found 30/6C$ 1,116
Tue 2/93:40 p.m.YXU - LHR
1 stop13h 20mAir Canada
Thu 2/108:40 a.m.LHR - YXU
2 stops17h 47mAir Canada
Deal found 1/7C$ 1,124
Sun 3/85:45 p.m.YXU - EDI
2 stops34h 20mLufthansa
Sun 10/89:00 a.m.EDI - YXU
1 stop11h 02mLufthansa
Deal found 3/7C$ 1,137
Wed 13/83:40 p.m.YXU - LHR
2 stops13h 20mMultiple Airlines
Wed 20/812:05 p.m.LHR - YXU
1 stop10h 02mMultiple Airlines
Deal found 1/7C$ 1,167
Wed 13/83:40 p.m.YXU - LHR
2 stops13h 20mLufthansa
Wed 20/89:30 a.m.LHR - YXU
2 stops16h 57mLufthansa
Deal found 1/7C$ 1,182
Sun 17/86:15 a.m.YXU - LGW
2 stops23h 40mMultiple Airlines
Sun 24/810:55 a.m.LGW - YXU
2 stops27h 22mMultiple Airlines
Deal found 3/7C$ 1,274
Fri 15/83:40 p.m.YXU - EDI
1 stop10h 40mMultiple Airlines
Fri 22/811:15 a.m.EDI - YXU
2 stops15h 12mMultiple Airlines
Deal found 1/7C$ 1,291
Sun 17/89:55 a.m.YXU - GLA
3 stops22h 30mMultiple Airlines
Sun 24/89:20 p.m.GLA - YXU
3 stops36h 54mMultiple Airlines
Deal found 3/7C$ 1,502
Sat 16/86:15 a.m.YXU - ABZ
3 stops34h 20mMultiple Airlines
Sat 23/87:40 a.m.ABZ - YXU
3 stops26h 34mMultiple Airlines
Deal found 2/7C$ 1,540

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 3 July 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

Tue 2/9

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

2 stops13h 30m

London Heathrow

Thu 2/10

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

2 stops24h 07m

C$ 947

LondonEdinburgh

YXU - EDI

YXUEDI

London

Tue 12/8

3:40 p.m.-7:20 a.m.

1 stop10h 40m

Edinburgh Turnhouse

Tue 26/8

11:15 a.m.-9:27 p.m.

2 stops15h 12m

C$ 1,032

LondonEdinburgh

YXU - EDI

YXUEDI

London

Fri 15/8

5:45 p.m.-11:40 a.m.

2 stops12h 55m

Edinburgh Turnhouse

Fri 22/8

12:30 p.m.-9:17 a.m.

2 stops49h 47m

C$ 1,107

LondonLondon

YXU - STN

YXUSTN

London

Fri 15/8

5:45 p.m.-9:20 p.m.

2 stops22h 35m

London Stansted

Fri 22/8

6:40 a.m.-3:02 p.m.

2 stops13h 22m

C$ 1,116

LondonLondon

YXU - LHR

YXULHR

London

Tue 2/9

3:40 p.m.-10:00 a.m.

1 stop13h 20m

London Heathrow

Thu 2/10

8:40 a.m.-9:27 p.m.

2 stops17h 47m

C$ 1,124

LondonEdinburgh

YXU - EDI

YXUEDI

London

Sun 3/8

5:45 p.m.-9:05 a.m.

2 stops34h 20m

Edinburgh Turnhouse

Sun 10/8

9:00 a.m.-3:02 p.m.

1 stop11h 02m

C$ 1,137

LondonLondon

YXU - LHR

YXULHR

London

Wed 13/8

3:40 p.m.-10:00 a.m.

2 stops13h 20m

London Heathrow

Wed 20/8

12:05 p.m.-5:07 p.m.

1 stop10h 02m

C$ 1,167

LondonLondon

YXU - LHR

YXULHR

London

Wed 13/8

3:40 p.m.-10:00 a.m.

2 stops13h 20m

London Heathrow

Wed 20/8

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

2 stops16h 57m

C$ 1,182

LondonLondon

YXU - LGW

YXULGW

London

Sun 17/8

6:15 a.m.-10:55 a.m.

2 stops23h 40m

London Gatwick

Sun 24/8

10:55 a.m.-9:17 a.m.

2 stops27h 22m

C$ 1,274

LondonEdinburgh

YXU - EDI

YXUEDI

London

Fri 15/8

3:40 p.m.-7:20 a.m.

1 stop10h 40m

Edinburgh Turnhouse

Fri 22/8

11:15 a.m.-9:27 p.m.

2 stops15h 12m

C$ 1,291

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/7

Showing 1-10 of 33 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 3 July 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.

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 3 July 2025.
Get a feel of what it's like to fly with SWISS,United Airlines, andWestJet 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.
SWISS
7.5
Good
1,654 reviews
Check prices

Crew

8.2

Food

7.1

Entertainment

6.8

Comfort

7.4

Boarding

7.6

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Elwyn,Feb 2025

MXP - ZRH

The crew and the entire experience was fantastic! Would highly recommend the company and the flight
SWISS
7.5
Good
1,654 reviews
SWISS
7.5
Good
1,654 reviews
Check prices

Crew

8.2

Food

7.1

Entertainment

6.8

Comfort

7.4

Boarding

7.6

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Elwyn,Feb 2025

MXP - ZRH

The crew and the entire experience was fantastic! Would highly recommend the company and the flight
United Airlines
7.4
Good
8,845 reviews
SWISS
7.5
Good
1,654 reviews
Check prices

Crew

8.2

Food

7.1

Entertainment

6.8

Comfort

7.4

Boarding

7.6

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Elwyn,Feb 2025

MXP - ZRH

The crew and the entire experience was fantastic! Would highly recommend the company and the flight
WestJet
7.2
Good
2,917 reviews
SWISS
7.5
Good
1,654 reviews
Check prices

Crew

8.2

Food

7.1

Entertainment

6.8

Comfort

7.4

Boarding

7.6

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Elwyn,Feb 2025

MXP - ZRH

The crew and the entire experience was fantastic! Would highly recommend the company and the flight
Air Canada
7.1
Good
9,678 reviews
SWISS
7.5
Good
1,654 reviews
Check prices

Crew

8.2

Food

7.1

Entertainment

6.8

Comfort

7.4

Boarding

7.6

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Elwyn,Feb 2025

MXP - ZRH

The crew and the entire experience was fantastic! Would highly recommend the company and the flight
Lufthansa
6.8
Okay
7,207 reviews
SWISS
7.5
Good
1,654 reviews
Check prices

Crew

8.2

Food

7.1

Entertainment

6.8

Comfort

7.4

Boarding

7.6

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Elwyn,Feb 2025

MXP - ZRH

The crew and the entire experience was fantastic! Would highly recommend the company and the flight

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$ 600 on WestJet. Other airlines that offer cheap prices include Air Canada from C$ 649 and United Airlines from C$ 690 one-way.

  • What are the most popular routes from London, Ontario to United Kingdom?

    While some choose either London - London Gatwick or London - London City, 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.

  • 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

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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 3 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 777AverageC$ 1,196FlexibilityNo 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.

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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