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฿10,669+ Cheap flights to Heathrow

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 20/12. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
13 Jul — 20 Jul1
1 adult

Flights to Heathrow in 2025

Find the latest flights to Heathrow 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 8 July 2025.

Return from

฿24,885

One-way from

฿10,669

Popular in

January

Cheapest in

October

Average price

฿30,707
China Eastern
  • China Eastern
  • 3/8-27/1
  • 2 total stops
  • 37h 50m total
  • Bangkok to London
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20/12
  • 20/12
  • 2 total stops
  • 29h 35m total
  • Bangkok to London
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Highest demand for flights based on searches. 5% potential increase in price (฿63,643 potential increase over avg. return price).
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Cheapest flight prices on average. 0% potential price decrease (฿9,872 potential savings vs. average return price).
Search Deals
Average for return flights in July 2025
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Find flight deals to Heathrow Airport

Cheapest flights to Heathrow Airport
Explore the most affordable flight options available to Heathrow Airport. Find the lowest fares based on data from user searches, with prices last updated on 8 July 2025.

Sun 17/819:20BKK - LHR
2 stops30h 10mไห่หนานแอร์ไลน์
Mon 25/822:00LHR - BKK
2 stops30h 00mไห่หนานแอร์ไลน์
Deal found 8/7฿24,950
Fri 1/808:40BKK - LHR
1 stop16h 20mMultiple Airlines
Mon 29/922:00LHR - BKK
2 stops30h 00mMultiple Airlines
Deal found 7/7฿24,982
Tue 4/1119:55BKK - LHR
1 stop29h 20mChina Southern
Fri 21/1121:30LHR - BKK
2 stops44h 35mChina Southern
Deal found 6/7฿25,177
Sun 21/910:05BKK - LHR
1 stop14h 40mเอทิฮัดแอร์เวย์
Sun 28/921:45LHR - BKK
1 stop27h 35mเอทิฮัดแอร์เวย์
Deal found 8/7฿25,340
Wed 23/705:05BKK - LHR
1 stop19h 35mChina Eastern
Wed 13/821:20LHR - BKK
1 stop17h 35mChina Eastern
Deal found 7/7฿25,405
Mon 3/1101:30BKK - LHR
1 stop23h 20mAir China
Fri 21/1120:25LHR - BKK
1 stop20h 45mAir China
Deal found 7/7฿25,665
Thu 6/1103:10BKK - LHR
1 stop18h 35mคูเวตแอร์เวย์
Fri 21/1111:45LHR - BKK
1 stop15h 20mคูเวตแอร์เวย์
Deal found 6/7฿25,893
Mon 21/719:40BKK - LHR
1 stop17h 15mกัลฟ์แอร์
Thu 21/810:00LHR - BKK
1 stop17h 55mกัลฟ์แอร์
Deal found 6/7฿26,218
Sun 27/720:35DMK - LHR
2 stops52h 35mMultiple Airlines
Tue 12/821:45LHR - DMK
1 stop19h 05mMultiple Airlines
Deal found 7/7฿27,487

Cheapflights Fare Finder

Locate flights to Heathrow 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 8 July 2025.
Use the filters below to find and compare flights to London Heathrow Airport that are best for you.

Fly from

Bangkok

Route

Depart

Return

Price

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 17/8

19:20-19:30

2 stops30h 10m

London Heathrow

Mon 25/8

22:00-10:00

2 stops30h 00m

฿24,950

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Fri 1/8

08:40-19:00

1 stop16h 20m

London Heathrow

Mon 29/9

22:00-10:00

2 stops30h 00m

฿24,982

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 4/11

19:55-18:15

1 stop29h 20m

London Heathrow

Fri 21/11

21:30-01:05

2 stops44h 35m

฿25,177

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 21/9

10:05-18:45

1 stop14h 40m

London Heathrow

Sun 28/9

21:45-07:20

1 stop27h 35m

฿25,340

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 23/7

05:05-18:40

1 stop19h 35m

London Heathrow

Wed 13/8

21:20-20:55

1 stop17h 35m

฿25,405

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 3/11

01:30-17:50

1 stop23h 20m

London Heathrow

Fri 21/11

20:25-00:10

1 stop20h 45m

฿25,665

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 6/11

03:10-14:45

1 stop18h 35m

London Heathrow

Fri 21/11

11:45-10:05

1 stop15h 20m

฿25,893

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 21/7

19:40-06:55

1 stop17h 15m

London Heathrow

Thu 21/8

10:00-09:55

1 stop17h 55m

฿26,218

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 29/7

09:05-18:00

1 stop14h 55m

London Heathrow

Tue 30/9

19:25-19:20

1 stop17h 55m

฿26,674

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Sun 27/7

20:35-19:10

2 stops52h 35m

London Heathrow

Tue 12/8

21:45-22:50

1 stop19h 05m

฿27,487

Flights are sorted by cheapest return flights first.

Deals found on 6/7

Showing 1-10 of 20 results
1
2

Best time to book a flight to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport

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

Use this chart to determine the optimal time to book a return flight from Bangkok to Heathrow. Price data was last updated on 27 June 2025.

The best time to book flights to Heathrow is 27 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

How long is the flight to Heathrow?

On average, a flight from Bangkok to Heathrow takes 15 hours 52 minutes. Flights to Heathrow 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 Heathrow?

Use this chart to determine the cheapest time to fly return from Bangkok to Heathrow. Price data was last updated on 6 July 2025.

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

Weekly flight availability to Heathrow

The most flights from Bangkok to Heathrow 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 Heathrow?

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

EVA Air
EVA Air
From ฿946
Thai Airways
Thai Airways
From ฿952
เอทิฮัดแอร์เวย์
เอทิฮัดแอร์เวย์
From ฿719
China Eastern
China Eastern
From ฿664

What are the cheapest airlines that fly to Heathrow?

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

Rainfall in Heathrow by month

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

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

Temperature in Heathrow by month

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

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

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 8 July 2025.
Read reviews from past customers who have flown ไห่หนานแอร์ไลน์, China Southern, andVietnam Airlines to the United Kingdom. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
ไห่หนานแอร์ไลน์
8.2
Very Good
41 reviews
Check prices

Boarding

8.6

Comfort

8.1

Food

8.6

Entertainment

7.6

Overall

8.2

Crew

8.9

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.
ไห่หนานแอร์ไลน์
8.2
Very Good
41 reviews
ไห่หนานแอร์ไลน์
8.2
Very Good
41 reviews
Check prices

Boarding

8.6

Comfort

8.1

Food

8.6

Entertainment

7.6

Overall

8.2

Crew

8.9

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.
China Southern
7.6
Good
101 reviews
ไห่หนานแอร์ไลน์
8.2
Very Good
41 reviews
Check prices

Boarding

8.6

Comfort

8.1

Food

8.6

Entertainment

7.6

Overall

8.2

Crew

8.9

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.
Vietnam Airlines
7.5
Good
195 reviews
ไห่หนานแอร์ไลน์
8.2
Very Good
41 reviews
Check prices

Boarding

8.6

Comfort

8.1

Food

8.6

Entertainment

7.6

Overall

8.2

Crew

8.9

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.
Qatar Airways
7.4
Good
3,591 reviews
ไห่หนานแอร์ไลน์
8.2
Very Good
41 reviews
Check prices

Boarding

8.6

Comfort

8.1

Food

8.6

Entertainment

7.6

Overall

8.2

Crew

8.9

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.
ซาอุเดียแอร์ไลน์
7.4
Good
619 reviews
ไห่หนานแอร์ไลน์
8.2
Very Good
41 reviews
Check prices

Boarding

8.6

Comfort

8.1

Food

8.6

Entertainment

7.6

Overall

8.2

Crew

8.9

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 Heathrow

  • Can I find cheaper flights to Heathrow 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 Heathrow on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Heathrow?

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

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

    London Heathrow is currently the cheapest airport to fly to in Heathrow. One-way flights to London Heathrow typically cost ฿5,187, while return flights cost around ฿5,500.

  • How much is a return flight to Heathrow?

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

  • Where does the fastest flight to Heathrow depart from?

    For those looking to save time traveling to Heathrow, 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 Heathrow Airport?

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

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