฿7,362+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
— LON
17 Dec — 24 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals to London

Enter your travel dates to find the best prices.

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 17 November 2025.

Fri 28/1105:05BKK - LGW
1 stop32h 25mMultiple Airlines
Fri 5/1213:10LGW - BKK
2 stops39h 35mMultiple Airlines
Deal found 17/11฿21,696
Wed 10/1212:30BKK - LGW
Nonstop13h 00mMultiple Airlines
Wed 21/110:15LGW - BKK
2 stops27h 50mMultiple Airlines
Deal found 17/11฿21,729
Tue 18/1119:55BKK - LHR
1 stop28h 35mMultiple Airlines
Tue 25/1120:05LHR - BKK
1 stop14h 40mMultiple Airlines
Deal found 17/11฿21,761
Tue 9/1219:05BKK - LGW
1 stop18h 25mMultiple Airlines
Thu 22/109:40LGW - BKK
2 stops17h 25mMultiple Airlines
Deal found 17/11฿21,761
Mon 24/1118:40BKK - LTN
3 stops35h 30mMultiple Airlines
Wed 26/1114:30LTN - BKK
2 stops35h 50mMultiple Airlines
Deal found 16/11฿21,826
Thu 11/1208:55BKK - LHR
1 stop16h 15mMultiple Airlines
Wed 21/119:45LHR - BKK
1 stop31h 20mMultiple Airlines
Deal found 17/11฿21,826
Thu 11/1212:25BKK - LGW
Nonstop12h 55mNorse Atlantic UK
Wed 21/116:00LGW - BKK
Nonstop11h 25mNorse Atlantic UK
Deal found 17/11฿21,826
Tue 18/1109:25BKK - LGW
1 stop28h 05mChina Eastern
Sat 22/1110:30LGW - BKK
1 stop18h 50mChina Eastern
Deal found 16/11฿21,858
Fri 12/1214:40BKK - LHR
1 stop23h 00mMultiple Airlines
Wed 31/1221:10LHR - BKK
1 stop31h 00mMultiple Airlines
Deal found 17/11฿21,891
Thu 20/1102:30BKK - LGW
1 stop35h 25mAir China
Sun 23/1111:05LGW - BKK
1 stop31h 25mAir China
Deal found 17/11฿21,891
Sun 23/1109:15BKK - LHR
1 stop30h 40mMultiple Airlines
Sun 30/1121:15LHR - BKK
1 stop37h 50mMultiple Airlines
Deal found 16/11฿21,923
Mon 17/1112:30BKK - LGW
Nonstop13h 00mMultiple Airlines
Tue 2/1211:05LGW - BKK
1 stop31h 25mMultiple Airlines
Deal found 16/11฿21,923

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 17 November 2025.

Return from

฿21,826

One-way from

฿7,362

Popular in

January

Cheapest in

November

Average price

฿27,826
ไห่หนานแอร์ไลน์
  • ไห่หนานแอร์ไลน์
  • 11/12-21/1
  • 2 total stops
  • 47h 35m total
  • Bangkok to London
9/12
  • 9/12
  • 2 total stops
  • 44h 45m total
  • Bangkok to London
Highest demand for flights based on searches. 3% potential increase in price (฿1,002 potential increase over avg. return price).
Cheapest flight prices on average. 0% potential price decrease (฿277 potential savings vs. average return price).
Average for return flights in November 2025

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 17 November 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

Thu 14/5

12:05-09:00

1 stop26h 55m

London Heathrow

Sun 24/5

09:00-09:10

1 stop18h 10m

฿21,891

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 27/11

01:55-17:30

1 stop22h 35m

London Heathrow

Fri 5/12

21:00-18:05

1 stop38h 05m

฿22,021

BangkokLondon

BKK - LTN

BKKLTN

Bangkok Suvarnabhumi

Tue 24/3

07:35-23:10

3 stops46h 35m

London Luton

Tue 14/4

09:00-17:25

2 stops26h 25m

฿22,766

BangkokLondon

BKK - LTN

BKKLTN

Bangkok Suvarnabhumi

Tue 23/12

10:10-23:10

1 stop20h 00m

London Luton

Sun 22/2

08:00-09:50

2 stops18h 50m

฿23,966

BangkokLondon

BKK - LTN

BKKLTN

Bangkok Suvarnabhumi

Thu 4/12

06:50-23:10

3 stops47h 20m

London Luton

Sun 7/12

07:40-09:20

2 stops18h 40m

฿24,031

BangkokLondon

BKK - LTN

BKKLTN

Bangkok Suvarnabhumi

Tue 5/5

19:40-19:25

2 stops29h 45m

London Luton

Thu 14/5

09:00-17:25

2 stops26h 25m

฿24,356

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 27/11

01:55-17:30

1 stop22h 35m

London Heathrow

Sun 30/11

21:30-03:05

2 stops22h 35m

฿24,680

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 25/3

02:55-18:10

1 stop22h 15m

London Heathrow

Sat 11/4

21:45-23:55

1 stop20h 10m

฿26,204

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 23/3

20:05-14:30

1 stop25h 25m

London Heathrow

Thu 16/4

14:45-23:55

1 stop27h 10m

฿26,204

BangkokLondon

BKK - STN

BKKSTN

Bangkok Suvarnabhumi

Tue 24/3

02:55-12:05

1 stop16h 10m

London Stansted

Fri 17/4

14:55-13:00

1 stop16h 05m

฿27,209

Flights are sorted by cheapest return flights first.

Deals found on 16/11

Showing 1-10 of 60 results
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6

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 14 November 2025.

To ensure you get the cheapest price possible for a flight to London, you should look to book at least 84 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 15 hours 53 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 Wednesday at midday, 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 (9 on average). You will have fewer flight options on Thursday, 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 Eastern, ลุฟท์ฮันซ่า and China Southern.

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 17 November 2025.
Check out reviews from past customers who have flown EVA Air, Emirates, andThai Airways 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.

Crew

8.6

Food

8.1

Overall

8.4

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.

Crew

8.6

Food

8.1

Overall

8.4

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.

Crew

8.6

Food

8.1

Overall

8.4

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.

Crew

8.6

Food

8.1

Overall

8.4

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.

Crew

8.6

Food

8.1

Overall

8.4

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.

Crew

8.6

Food

8.1

Overall

8.4

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.

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 Eastern 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 ฿766, while return flights cost around ฿1,625.

  • How much is a return flight to London?

    A return flight to London will typically cost around ฿5,599, however they can be found for as little as ฿5,483.

  • 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 20 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 Airport Terminal 2-3 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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