฿10,819+ Cheap flights to London

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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
— LON
23 Jul — 30 Jul1
1 adult

Flights to London in 2025

Find the latest flights to London in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 17,341 searches and data was last updated on 18 July 2025.

Return from

฿25,148

One-way from

฿10,819

Popular in

January

Cheapest in

October

Average price

฿30,833
เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์
  • เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์
  • 29/10-29/1
  • 2 total stops
  • 40h 35m total
  • Bangkok to London
China Eastern
  • China Eastern
  • 6/8
  • 1 total stop
  • 18h 50m total
  • Bangkok to London
Highest demand for flights based on searches. 5% potential increase in price (฿61,999 potential increase over avg. return price).
Cheapest flight prices on average. 0% potential price decrease (฿9,870 potential savings vs. average return price).
Average for return flights in July 2025

Find flight deals to London

Cheapest flights to London
Explore the most affordable flight options available to London. Find the lowest fares based on data from user searches, with prices last updated on 18 July 2025.

Wed 29/1012:15BKK - LHR
1 stop26h 25mเคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์
Thu 29/110:00LHR - BKK
1 stop14h 10mเคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์
Deal found 18/7฿25,148
Thu 14/802:10BKK - LGW
1 stop19h 00mMultiple Airlines
Fri 22/809:10LGW - BKK
3 stops32h 30mMultiple Airlines
Deal found 18/7฿25,148
Thu 7/801:30BKK - LHR
1 stop24h 00mไห่หนานแอร์ไลน์
Fri 29/822:00LHR - BKK
1 stop30h 00mไห่หนานแอร์ไลน์
Deal found 17/7฿25,180
Wed 20/820:15BKK - LHR
2 stops28h 45mMultiple Airlines
Fri 22/822:05LHR - BKK
1 stop31h 05mMultiple Airlines
Deal found 18/7฿25,213
Tue 12/802:10BKK - LGW
1 stop18h 50mChina Eastern
Wed 20/811:35LGW - BKK
2 stops24h 35mChina Eastern
Deal found 16/7฿25,213
Wed 15/1009:05BKK - STN
2 stops35h 00mMultiple Airlines
Sun 19/1012:15STN - BKK
3 stops23h 10mMultiple Airlines
Deal found 17/7฿25,213
Thu 13/1115:30DMK - LHR
2 stops23h 35mMultiple Airlines
Wed 19/1117:30LHR - DMK
2 stops21h 35mMultiple Airlines
Deal found 17/7฿25,245
Tue 5/808:20BKK - LHR
1 stop16h 40mChina Southern
Mon 6/1022:10LHR - BKK
1 stop17h 50mChina Southern
Deal found 17/7฿25,245
Sun 14/1201:30BKK - LHR
1 stop23h 20mAir China
Sat 27/1221:35LHR - BKK
1 stop31h 55mAir China
Deal found 18/7฿25,278
Fri 18/701:50BKK - LHR
1 stop16h 50mซาอุเดียแอร์ไลน์
Wed 8/1010:10LHR - BKK
1 stop21h 35mซาอุเดียแอร์ไลน์
Deal found 17/7฿25,440
Sat 20/1212:25BKK - LGW
Nonstop13h 00mNorse Atlantic UK
Fri 2/115:55LGW - BKK
Nonstop11h 30mNorse Atlantic UK
Deal found 18/7฿25,538
Sat 19/719:40BKK - LGW
1 stop17h 15mกัลฟ์แอร์
Wed 8/1011:25LGW - BKK
1 stop16h 30mกัลฟ์แอร์
Deal found 15/7฿25,603

Cheapflights Fare Finder

Locate flights to London that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 17,341 searches and data was last updated on 18 July 2025.
Use the filters below to find and compare flights to London that are best for you.

Fly from

Bangkok

Route

Depart

Return

Price

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 29/10

12:15-07:40

1 stop26h 25m

London Heathrow

Thu 29/1

10:00-07:10

1 stop14h 10m

฿25,148

BangkokLondon

BKK - LGW

BKKLGW

Bangkok Suvarnabhumi

Thu 14/8

02:10-15:10

1 stop19h 00m

London Gatwick

Fri 22/8

09:10-23:40

3 stops32h 30m

฿25,148

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 7/8

01:30-19:30

1 stop24h 00m

London Heathrow

Fri 29/8

22:00-10:00

1 stop30h 00m

฿25,180

BangkokLondon

BKK - LGW

BKKLGW

Bangkok Suvarnabhumi

Tue 12/8

02:10-15:00

1 stop18h 50m

London Gatwick

Wed 20/8

11:35-18:10

2 stops24h 35m

฿25,213

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 20/8

20:15-19:00

2 stops28h 45m

London Heathrow

Fri 22/8

22:05-11:10

1 stop31h 05m

฿25,213

BangkokLondon

BKK - STN

BKKSTN

Bangkok Suvarnabhumi

Wed 15/10

09:05-14:05

2 stops35h 00m

London Stansted

Sun 19/10

12:15-17:25

3 stops23h 10m

฿25,213

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 5/8

08:20-19:00

1 stop16h 40m

London Heathrow

Mon 6/10

22:10-22:00

1 stop17h 50m

฿25,245

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Thu 13/11

15:30-08:05

2 stops23h 35m

London Heathrow

Wed 19/11

17:30-22:05

2 stops21h 35m

฿25,245

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 14/12

01:30-17:50

1 stop23h 20m

London Heathrow

Sat 27/12

21:35-12:30

1 stop31h 55m

฿25,278

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 7/10

15:25-07:30

1 stop22h 05m

London Heathrow

Mon 13/10

10:00-13:45

1 stop21h 45m

฿25,473

Flights are sorted by cheapest return flights first.

Deals found on 16/7

Showing 1-10 of 47 results
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Best time to book a flight to London

Have a flexible travel schedule? Discover the best time to fly to London with our price prediction graph.
Estimated return 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 to London

When is the best time to book a flight to London?

Use this chart to determine the optimal time to book a return flight from Bangkok to London. Price data was last updated on 11 July 2025.

To ensure you get the cheapest price possible for a flight to London, you should look to book at least 32 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

How long is the flight to London?

On average, a flight from Bangkok to London takes 16 hours 23 minutes. Flights to London from other popular cities in Thailand will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly to London?

Use this chart to determine the cheapest time to fly return from Bangkok to London. Price data was last updated on 16 December 2024.

Users looking for the lowest fares to London should consider flying on Friday mornings, when prices are typically cheapest. Budget-minded travellers will want to avoid Tuesday at midday, when prices are usually at their highest.

Weekly flight availability to London

The most flights from Bangkok to London are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

What are the cheapest airlines that fly to London?

The cheapest airlines flying from Bangkok to London are China Southern, China Eastern and Air China.

Rainfall in London by month

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

In terms of precipitation, rainfall in London 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 London when rainfall is around 40.0 mm.

Temperature in London by month

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

If weather is an important factor for your trip to London, 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 London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 18 July 2025.
Check out reviews from past customers who have flown ไห่หนานแอร์ไลน์, Emirates, andเคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์ to the United Kingdom to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.2

Food

8.6

Crew

8.9

Entertainment

7.6

Boarding

8.6

Comfort

8.1

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

Overall

8.2

Food

8.6

Crew

8.9

Entertainment

7.6

Boarding

8.6

Comfort

8.1

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

Overall

8.2

Food

8.6

Crew

8.9

Entertainment

7.6

Boarding

8.6

Comfort

8.1

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

Overall

8.2

Food

8.6

Crew

8.9

Entertainment

7.6

Boarding

8.6

Comfort

8.1

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

Overall

8.2

Food

8.6

Crew

8.9

Entertainment

7.6

Boarding

8.6

Comfort

8.1

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

Overall

8.2

Food

8.6

Crew

8.9

Entertainment

7.6

Boarding

8.6

Comfort

8.1

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

FAQs about flying to London

  • Can I find cheaper flights to London if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to London on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to London?

    Based on reviews from Cheapflights users, China Southern is rated the highest out of the airlines that fly to London.

  • What is the cheapest airport to fly to in London?

    London Gatwick is currently the cheapest airport to fly to in London. One-way flights to London Gatwick typically cost ฿1,178, while return flights cost around ฿1,628.

  • How much is a return flight to London?

    A return flight to London will typically cost around ฿173, however they can be found for as little as ฿169.

  • Where does the fastest flight to London depart from?

    For those looking to save time traveling to London, Bangkok offers the quickest one-way flight (12 hours 35 minutes).

  • Does London Heathrow have rental cars?

    Yes. Those touching down at London Heathrow can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to London Heathrow?

    Yes. London Heathrow has hotels nearby for those requiring accommodations. Aerotel London Heathrow is the closest property to London Heathrow (0.0 km away from London Heathrow).

See more FAQs

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Brentford
Waterlooville

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