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฿7,264+ 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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
29 Jan — 5 Feb1
1 adult
1 adult, Economy, 0 bags

Flights to Heathrow in 2025

Enter your travel dates to find the best prices.

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 30 December 2025.

Wed 31/1219:15BKK - LHR
1 stop18h 20mMultiple Airlines
Wed 7/119:45LHR - BKK
1 stop31h 20mMultiple Airlines
Deal found 28/12฿24,149
Mon 29/1209:00BKK - LHR
1 stop16h 25mMultiple Airlines
Mon 5/121:00LHR - BKK
1 stop30h 05mMultiple Airlines
Deal found 28/12฿24,464
Mon 29/1220:15DMK - LHR
3 stops46h 25mMultiple Airlines
Thu 1/120:05LHR - DMK
2 stops19h 45mMultiple Airlines
Deal found 28/12฿26,350
Tue 30/1209:15DMK - LHR
2 stops33h 25mMultiple Airlines
Sat 3/108:25LHR - DMK
2 stops31h 25mMultiple Airlines
Deal found 28/12฿26,822
Tue 30/1210:10BKK - LHR
1 stop16h 10mMultiple Airlines
Mon 5/121:00LHR - BKK
2 stops38h 05mMultiple Airlines
Deal found 29/12฿27,294
Tue 30/1219:15BKK - LHR
1 stop18h 20mMultiple Airlines
Sat 3/120:05LHR - BKK
1 stop27h 40mMultiple Airlines
Deal found 28/12฿28,300
Wed 31/1219:15BKK - LHR
1 stop18h 20mMultiple Airlines
Sun 4/121:30LHR - BKK
1 stop16h 35mMultiple Airlines
Deal found 29/12฿29,369
Mon 29/1213:40DMK - LHR
2 stops30h 20mMultiple Airlines
Mon 5/122:00LHR - DMK
1 stop20h 35mMultiple Airlines
Deal found 28/12฿29,746
Tue 30/1220:55DMK - LHR
2 stops29h 15mMultiple Airlines
Mon 5/122:00LHR - DMK
1 stop23h 50mMultiple Airlines
Deal found 29/12฿29,904
Wed 31/1213:40DMK - LHR
2 stops25h 25mMultiple Airlines
Sun 4/108:25LHR - DMK
2 stops31h 25mMultiple Airlines
Deal found 30/12฿30,344
Wed 31/1213:40DMK - LHR
2 stops25h 25mMultiple Airlines
Wed 7/121:00LHR - DMK
2 stops21h 35mMultiple Airlines
Deal found 30/12฿30,375
Tue 30/1220:55DMK - LHR
2 stops29h 15mMultiple Airlines
Sun 4/122:00LHR - DMK
1 stop23h 50mMultiple Airlines
Deal found 29/12฿30,816

Find flight deals to Heathrow Airport

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 30 December 2025.

Return from

฿19,841

One-way from

฿7,264

Popular in

January

Cheapest in

November

Average price

฿27,671
27/2-3/3
  • 27/2-3/3
  • 5 total stops
  • 67h 15m total
  • Bangkok to London
Search Deals
ไห่หนานแอร์ไลน์
  • ไห่หนานแอร์ไลน์
  • 8/3
  • 2 total stops
  • 37h 45m total
  • Bangkok to London
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (฿604 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease (฿277 potential savings vs. average return price).
Search Deals
Average for return flights in December 2025
Search Deals

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 30 December 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

Mon 16/2

20:05-18:25

1 stop29h 20m

London Heathrow

Fri 20/2

20:05-17:45

1 stop14h 40m

฿23,426

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Sun 22/2

20:10-10:45

2 stops21h 35m

London Heathrow

Sat 28/2

21:10-05:25

1 stop25h 15m

฿25,784

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Tue 27/1

22:50-16:20

2 stops24h 30m

London Heathrow

Tue 3/2

22:10-22:35

1 stop17h 25m

฿25,910

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Wed 6/5

20:50-11:30

1 stop20h 40m

London Heathrow

Mon 18/5

22:10-06:30

2 stops26h 20m

฿26,728

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Wed 28/1

15:45-09:00

2 stops24h 15m

London Heathrow

Sun 1/2

19:20-22:25

2 stops20h 05m

฿26,728

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Mon 2/2

21:00-10:45

2 stops20h 45m

London Heathrow

Mon 16/2

06:30-07:10

2 stops17h 40m

฿26,759

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Wed 28/1

20:55-11:05

1 stop21h 10m

London Heathrow

Wed 4/2

21:05-06:35

2 stops26h 30m

฿27,420

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 31/3

19:10-19:10

1 stop30h 00m

London Heathrow

Wed 15/4

20:50-06:55

1 stop28h 05m

฿27,608

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Thu 29/1

16:50-06:40

2 stops20h 50m

London Heathrow

Mon 2/2

08:50-12:50

2 stops21h 00m

฿28,080

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Sun 3/5

20:50-10:15

1 stop19h 25m

London Heathrow

Sun 24/5

22:05-01:15

1 stop21h 10m

฿28,080

Flights are sorted by cheapest return flights first.

Deals found on 29/12

Showing 1-10 of 44 results
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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 26 December 2025.

The best time to book flights to Heathrow is 56 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 16 hours 0 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.

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 Emirates.

EVA Air
EVA Air
From ฿30,138
Thai Airways
Thai Airways
From ฿31,813
เอทิฮัดแอร์เวย์
เอทิฮัดแอร์เวย์
From ฿22,721
Emirates
Emirates
From ฿27,024

What are the cheapest airlines that fly to Heathrow?

The cheapest airlines flying from Bangkok to Heathrow are คูเวตแอร์เวย์, ลุฟท์ฮันซ่า and China Southern.

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 30 December 2025.
Read reviews from past customers who have flown EVA Air, Emirates, andThai Airways to the United Kingdom. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.5
Very Good
1,304 reviews
Check prices

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Boarding

8.4

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
EVA Air
8.5
Very Good
1,304 reviews
EVA Air
8.5
Very Good
1,304 reviews
Check prices

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Boarding

8.4

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
Emirates
8.1
Very Good
3,447 reviews
EVA Air
8.5
Very Good
1,304 reviews
Check prices

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Boarding

8.4

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
Thai Airways
7.8
Good
371 reviews
EVA Air
8.5
Very Good
1,304 reviews
Check prices

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Boarding

8.4

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
เอทิฮัดแอร์เวย์
7.4
Good
1,346 reviews
EVA Air
8.5
Very Good
1,304 reviews
Check prices

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Boarding

8.4

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
บริติชแอร์เวย์
6.7
Okay
7,625 reviews
EVA Air
8.5
Very Good
1,304 reviews
Check prices

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Boarding

8.4

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.

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, คูเวตแอร์เวย์ 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 ฿2,413, while return flights cost around ฿8,176.

  • How much is a return flight to Heathrow?

    A return flight to Heathrow will typically cost around ฿9,482, however they can be found for as little as ฿8,176.

  • 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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