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฿10,886+ 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
— LON
21 May — 28 May1
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 16 May 2025.

Return from

฿24,135

One-way from

฿10,886

Popular in

January

Cheapest in

October

Average price

฿29,861
China Southern
  • China Southern
  • 3/6-22/6
  • 3 total stops
  • 65h 35m total
  • Bangkok to London
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9/7
  • 9/7
  • 2 total stops
  • 33h 50m total
  • Bangkok to London
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Highest demand for flights based on searches. 6% potential increase in price (฿70,238 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (฿10,690 potential savings vs. average return price).
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Average for return flights in May 2025
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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 16 May 2025.

Tue 3/612:40BKK - LHR
2 stops35h 25mChina Southern
Sun 22/622:10LHR - BKK
1 stop30h 10mChina Southern
Deal found 15/5฿24,135
Thu 15/521:55BKK - LGW
1 stop23h 15mChina Eastern
Tue 17/611:35LGW - BKK
1 stop18h 55mChina Eastern
Deal found 15/5฿24,135
Tue 3/609:05BKK - STN
2 stops31h 20mMultiple Airlines
Fri 6/612:05STN - BKK
2 stops24h 30mMultiple Airlines
Deal found 15/5฿24,202
Thu 29/519:35BKK - LHR
1 stop30h 55mMultiple Airlines
Wed 1/1022:00LHR - BKK
1 stop20h 20mMultiple Airlines
Deal found 15/5฿24,268
Thu 5/602:10BKK - LGW
1 stop19h 00mMultiple Airlines
Sat 14/607:30LGW - BKK
2 stops23h 35mMultiple Airlines
Deal found 16/5฿24,302
Wed 21/505:05BKK - LHR
1 stop19h 35mChina Eastern
Tue 3/621:20LHR - BKK
1 stop18h 35mChina Eastern
Deal found 16/5฿24,435
Tue 20/501:30BKK - LHR
1 stop25h 00mAir China
Sun 25/520:25LHR - BKK
2 stops24h 45mAir China
Deal found 15/5฿24,468
Sat 31/503:25BKK - LHR
1 stop17h 20mคูเวตแอร์เวย์
Wed 18/611:45LHR - BKK
1 stop16h 35mคูเวตแอร์เวย์
Deal found 15/5฿24,568
Sat 17/504:40BKK - LGW
1 stop16h 45mTurkmenistan Airlines
Sat 24/516:55LGW - BKK
1 stop14h 10mTurkmenistan Airlines
Deal found 14/5฿24,668
Tue 20/519:20BKK - LHR
1 stop30h 10mไห่หนานแอร์ไลน์
Wed 28/522:00LHR - BKK
1 stop20h 20mไห่หนานแอร์ไลน์
Deal found 16/5฿24,868
Tue 3/601:30BKK - LGW
1 stop35h 05mAir China
Tue 24/612:35LGW - BKK
1 stop29h 35mAir China
Deal found 15/5฿24,901
Sat 7/615:25BKK - LHR
2 stops30h 10mซาอุเดียแอร์ไลน์
Thu 19/622:10LHR - BKK
1 stop20h 00mซาอุเดียแอร์ไลน์
Deal found 15/5฿25,500

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 16 May 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

Tue 3/6

12:40-18:05

2 stops35h 25m

London Heathrow

Sun 22/6

22:10-10:20

1 stop30h 10m

฿24,135

BangkokLondon

BKK - STN

BKKSTN

Bangkok Suvarnabhumi

Tue 3/6

09:05-10:25

2 stops31h 20m

London Stansted

Fri 6/6

12:05-18:35

2 stops24h 30m

฿24,202

BangkokLondon

BKK - LGW

BKKLGW

Bangkok Suvarnabhumi

Wed 8/10

08:55-06:35

2 stops27h 40m

London Gatwick

Tue 14/10

09:00-10:20

2 stops19h 20m

฿24,235

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 29/5

19:35-20:30

1 stop30h 55m

London Heathrow

Wed 1/10

22:00-00:20

1 stop20h 20m

฿24,268

BangkokLondon

BKK - LGW

BKKLGW

Bangkok Suvarnabhumi

Mon 2/6

02:10-15:00

1 stop18h 50m

London Gatwick

Fri 6/6

11:35-12:30

1 stop18h 55m

฿24,335

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 4/6

02:10-18:40

1 stop22h 30m

London Heathrow

Mon 9/6

21:20-00:40

1 stop21h 20m

฿24,435

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 16/6

01:50-12:40

1 stop16h 50m

London Heathrow

Tue 19/8

17:50-00:10

2 stops24h 20m

฿24,468

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sat 31/5

03:25-14:45

1 stop17h 20m

London Heathrow

Wed 18/6

11:45-10:20

1 stop16h 35m

฿24,568

BangkokLondon

BKK - LGW

BKKLGW

Bangkok Suvarnabhumi

Tue 3/6

01:30-06:35

1 stop35h 05m

London Gatwick

Tue 24/6

12:35-00:10

1 stop29h 35m

฿24,901

BangkokLondon

BKK - LGW

BKKLGW

Bangkok Suvarnabhumi

Sat 31/5

04:40-15:25

1 stop16h 45m

London Gatwick

Sat 7/6

16:55-13:05

1 stop14h 10m

฿24,968

Flights are sorted by cheapest return flights first.

Deals found on 15/5

Showing 1-10 of 60 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 9 May 2025.

To ensure you get the cheapest price possible for a flight to London, you should look to book at least 50 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 17 hours 35 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 Sunday 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 most popular airlines that fly to London?

The most popular airlines flying from Bangkok to London are EVA Air, Thai Airways and China Eastern.

EVA Air
EVA Air
From ฿924
Thai Airways
Thai Airways
From ฿965
China Eastern
China Eastern
From ฿626
Emirates
Emirates
From ฿869

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 16 May 2025.
To help decide which airline to fly to London, see what other customers have to say about EVA Air, ไห่หนานแอร์ไลน์ and Emirates. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very Good
1,192 reviews
Check prices

Overall

8.4

Boarding

8.4

Entertainment

8.0

Crew

8.6

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
EVA Air
8.4
Very Good
1,192 reviews
EVA Air
8.4
Very Good
1,192 reviews
Check prices

Overall

8.4

Boarding

8.4

Entertainment

8.0

Crew

8.6

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
ไห่หนานแอร์ไลน์
8.1
Very Good
39 reviews
EVA Air
8.4
Very Good
1,192 reviews
Check prices

Overall

8.4

Boarding

8.4

Entertainment

8.0

Crew

8.6

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
Emirates
8.0
Very Good
3,230 reviews
EVA Air
8.4
Very Good
1,192 reviews
Check prices

Overall

8.4

Boarding

8.4

Entertainment

8.0

Crew

8.6

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
EL AL
7.8
Good
533 reviews
EVA Air
8.4
Very Good
1,192 reviews
Check prices

Overall

8.4

Boarding

8.4

Entertainment

8.0

Crew

8.6

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

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 ฿1,207, while return flights cost around ฿1,668.

  • 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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