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฿10,941+ 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 26/5. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
19 May — 26 May1
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 14 May 2025.

Return from

฿24,144

One-way from

฿10,941

Popular in

January

Cheapest in

October

Average price

฿29,831
Shenzhen Airlines
  • Shenzhen Airlines
  • 28/5-4/6
  • 2 total stops
  • 53h 05m total
  • Bangkok to London
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26/5
  • 26/5
  • 2 total stops
  • 35h 30m total
  • Bangkok to London
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (฿70,107 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿10,672 potential savings vs. average return price).
Search Deals
Average for return flights in May 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 14 May 2025.

Sun 18/519:20BKK - LHR
2 stops30h 10mMultiple Airlines
Thu 22/514:45LHR - BKK
1 stop21h 50mMultiple Airlines
Deal found 14/5฿24,144
Tue 20/521:55BKK - LHR
1 stop26h 45mChina Eastern
Tue 3/621:20LHR - BKK
1 stop17h 35mChina Eastern
Deal found 14/5฿24,277
Sun 1/618:05BKK - LHR
1 stop30h 55mChina Southern
Sun 22/622:10LHR - BKK
1 stop30h 10mChina Southern
Deal found 13/5฿24,310
Sun 12/1019:20BKK - LHR
1 stop30h 10mไห่หนานแอร์ไลน์
Mon 20/1022:00LHR - BKK
1 stop30h 00mไห่หนานแอร์ไลน์
Deal found 14/5฿24,510
Wed 14/521:00BKK - LHR
2 stops39h 20mรอยัลบรูไนแอร์ไลน์
Sun 18/517:15LHR - BKK
2 stops37h 25mรอยัลบรูไนแอร์ไลน์
Deal found 14/5฿24,543
Wed 14/501:30BKK - LHR
1 stop25h 00mAir China
Tue 20/522:40LHR - BKK
2 stops22h 30mAir China
Deal found 12/5฿25,009
Wed 4/601:50BKK - LHR
1 stop16h 50mซาอุเดียแอร์ไลน์
Sun 22/622:10LHR - BKK
1 stop20h 00mซาอุเดียแอร์ไลน์
Deal found 13/5฿25,374
Sat 31/503:25BKK - LHR
1 stop17h 20mคูเวตแอร์เวย์
Sun 31/811:45LHR - BKK
1 stop16h 35mคูเวตแอร์เวย์
Deal found 14/5฿25,774
Wed 1/1019:40BKK - LHR
1 stop26h 55mMalaysia Airlines
Thu 9/1021:35LHR - BKK
1 stop19h 30mMalaysia Airlines
Deal found 14/5฿25,873
Tue 20/516:45DMK - LHR
2 stops32h 25mMultiple Airlines
Sat 24/520:45LHR - DMK
1 stop20h 05mMultiple Airlines
Deal found 13/5฿25,973
Mon 9/609:05BKK - LHR
1 stop15h 40mเอทิฮัดแอร์เวย์
Mon 30/620:55LHR - BKK
1 stop21h 00mเอทิฮัดแอร์เวย์
Deal found 13/5฿27,137
Mon 11/807:05BKK - LHR
1 stop35h 05mFinnair
Mon 18/809:30LHR - BKK
1 stop38h 00mFinnair
Deal found 14/5฿27,403

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 14 May 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 1/6

19:20-19:30

2 stops30h 10m

London Heathrow

Sat 7/6

20:50-17:45

1 stop14h 55m

฿24,177

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 17/6

04:10-20:30

2 stops22h 20m

London Heathrow

Tue 17/6

22:40-03:10

2 stops22h 30m

฿24,344

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 3/6

02:10-18:40

1 stop22h 30m

London Heathrow

Sun 8/6

21:20-21:55

1 stop18h 35m

฿24,443

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sat 7/6

20:20-19:00

1 stop28h 40m

London Heathrow

Sun 22/6

19:15-01:30

2 stops24h 15m

฿24,477

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 12/10

19:20-19:30

1 stop30h 10m

London Heathrow

Mon 20/10

22:00-10:00

1 stop30h 00m

฿24,510

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sat 4/10

13:30-06:25

2 stops22h 55m

London Heathrow

Sun 12/10

17:15-12:40

2 stops37h 25m

฿25,142

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 4/6

01:50-12:40

1 stop16h 50m

London Heathrow

Sun 22/6

22:10-00:10

1 stop20h 00m

฿25,374

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sat 31/5

03:25-14:45

1 stop17h 20m

London Heathrow

Sun 31/8

11:45-10:20

1 stop16h 35m

฿25,774

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 1/10

19:40-16:35

1 stop26h 55m

London Heathrow

Thu 9/10

21:35-23:05

1 stop19h 30m

฿25,873

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 6/7

07:05-09:10

1 stop32h 05m

London Heathrow

Tue 15/7

10:20-05:30

1 stop37h 10m

฿27,104

Flights are sorted by cheapest return flights first.

Deals found on 14/5

Showing 1-10 of 37 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 9 May 2025.

The best time to book flights to Heathrow is 70 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 7 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 11 May 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 ฿924
Thai Airways
Thai Airways
From ฿965
China Eastern
China Eastern
From ฿658
เอทิฮัดแอร์เวย์
เอทิฮัดแอร์เวย์
From ฿720

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 14 May 2025.
See what other customers who have flown with ไห่หนานแอร์ไลน์, Emirates and เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์ to London have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
ไห่หนานแอร์ไลน์
8.1
Very Good
39 reviews
Check prices

Comfort

8.1

Crew

8.9

Overall

8.1

Food

8.5

Entertainment

7.7

Boarding

8.6

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
8.1
Very Good
39 reviews
ไห่หนานแอร์ไลน์
8.1
Very Good
39 reviews
Check prices

Comfort

8.1

Crew

8.9

Overall

8.1

Food

8.5

Entertainment

7.7

Boarding

8.6

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.
Emirates
8.0
Very Good
3,229 reviews
ไห่หนานแอร์ไลน์
8.1
Very Good
39 reviews
Check prices

Comfort

8.1

Crew

8.9

Overall

8.1

Food

8.5

Entertainment

7.7

Boarding

8.6

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.
เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์
7.8
Good
1,344 reviews
ไห่หนานแอร์ไลน์
8.1
Very Good
39 reviews
Check prices

Comfort

8.1

Crew

8.9

Overall

8.1

Food

8.5

Entertainment

7.7

Boarding

8.6

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.
Thai Airways
7.7
Good
330 reviews
ไห่หนานแอร์ไลน์
8.1
Very Good
39 reviews
Check prices

Comfort

8.1

Crew

8.9

Overall

8.1

Food

8.5

Entertainment

7.7

Boarding

8.6

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 ฿10,216, while return flights cost around ฿5,623.

  • 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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