฿10,690+ 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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
7 Sep — 14 Sep1
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 2 September 2025.

Return from

฿22,899

One-way from

฿10,690

Popular in

January

Cheapest in

October

Average price

฿29,132
China Eastern
  • China Eastern
  • 15/10-23/10
  • 2 total stops
  • 45h 05m total
  • Bangkok to London
China Eastern
  • China Eastern
  • 27/11
  • 1 total stop
  • 22h 35m total
  • Bangkok to London
Highest demand for flights based on searches. 5% potential increase in price (฿52,466 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (฿10,030 potential savings vs. average return price).
Average for return flights in September 2025

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 2 September 2025.

Thu 4/916:50BKK - LHR
1 stop31h 50mChina Eastern
Sun 7/921:20LHR - BKK
1 stop21h 20mChina Eastern
Deal found 30/8฿22,899
Tue 21/1003:00BKK - LHR
1 stop22h 00mChina Southern
Wed 12/1117:15LHR - BKK
2 stops22h 15mChina Southern
Deal found 31/8฿22,931
Sun 23/1102:10BKK - LHR
1 stop23h 25mChina Southern
Fri 28/1122:00LHR - BKK
1 stop33h 30mChina Southern
Deal found 31/8฿22,964
Sun 26/1001:30BKK - LHR
1 stop21h 25mAir China
Wed 12/1120:25LHR - BKK
1 stop20h 45mAir China
Deal found 1/9฿22,996
Sun 7/1201:55BKK - LHR
1 stop22h 35mChina Eastern
Mon 8/1221:00LHR - BKK
1 stop32h 20mChina Eastern
Deal found 1/9฿23,028
Sun 28/914:55BKK - LHR
2 stops34h 15mMultiple Airlines
Wed 15/1022:15LHR - BKK
2 stops27h 35mMultiple Airlines
Deal found 1/9฿23,060
Mon 13/1019:35BKK - LHR
1 stop28h 10mMultiple Airlines
Tue 25/1122:00LHR - BKK
1 stop17h 30mMultiple Airlines
Deal found 1/9฿23,093
Sun 7/911:05BKK - LHR
2 stops38h 25mMultiple Airlines
Sun 14/922:05LHR - BKK
1 stop31h 05mMultiple Airlines
Deal found 1/9฿23,125
Sun 7/919:35BKK - LHR
1 stop30h 55mAir China
Thu 11/922:40LHR - BKK
1 stop19h 30mAir China
Deal found 1/9฿23,157
Thu 13/1102:10BKK - LHR
1 stop23h 25mChina Southern
Sun 23/1122:00LHR - BKK
1 stop17h 30mChina Southern
Deal found 31/8฿23,190
Tue 30/915:25BKK - LHR
1 stop22h 05mซาอุเดียแอร์ไลน์
Tue 7/1022:10LHR - BKK
1 stop20h 00mซาอุเดียแอร์ไลน์
Deal found 31/8฿23,222
Wed 15/1002:10BKK - LHR
1 stop22h 30mChina Eastern
Sun 2/1121:00LHR - BKK
1 stop18h 25mChina Eastern
Deal found 30/8฿23,286

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 2 September 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 26/10

01:30-15:55

1 stop21h 25m

London Heathrow

Thu 30/10

21:35-12:30

1 stop31h 55m

฿23,060

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 12/10

21:55-18:40

1 stop26h 45m

London Heathrow

Tue 21/10

21:20-00:40

1 stop21h 20m

฿23,125

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 20/1

13:55-14:00

2 stops31h 05m

London Heathrow

Wed 28/1

22:00-22:30

1 stop17h 30m

฿23,254

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 16/10

21:55-18:40

1 stop26h 45m

London Heathrow

Sun 2/11

21:00-22:25

1 stop18h 25m

฿23,383

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 27/10

19:30-15:55

1 stop27h 25m

London Heathrow

Wed 29/10

22:00-01:05

1 stop20h 05m

฿23,577

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 12/11

08:20-18:35

1 stop17h 15m

London Heathrow

Wed 19/11

20:25-00:10

1 stop20h 45m

฿23,609

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 26/10

01:55-17:30

1 stop22h 35m

London Heathrow

Wed 29/10

21:00-01:55

1 stop21h 55m

฿23,609

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 19/1

12:25-18:35

1 stop37h 10m

London Heathrow

Wed 28/1

22:00-10:10

1 stop29h 10m

฿23,642

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 18/1

19:55-18:35

1 stop29h 40m

London Heathrow

Wed 28/1

22:00-22:30

1 stop17h 30m

฿23,642

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 15/10

03:00-19:00

1 stop22h 00m

London Heathrow

Sun 2/11

17:15-22:30

2 stops22h 15m

฿23,706

Flights are sorted by cheapest return flights first.

Deals found on 1/9

Showing 1-10 of 42 results
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2
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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 29 August 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 31 August 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 Saturday at midday, 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 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 2 September 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.

Comfort

8.3

Overall

8.4

Boarding

8.4

Food

8.1

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

Comfort

8.3

Overall

8.4

Boarding

8.4

Food

8.1

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

Comfort

8.3

Overall

8.4

Boarding

8.4

Food

8.1

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

Comfort

8.3

Overall

8.4

Boarding

8.4

Food

8.1

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

Comfort

8.3

Overall

8.4

Boarding

8.4

Food

8.1

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

Comfort

8.3

Overall

8.4

Boarding

8.4

Food

8.1

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

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 ฿5,150, while return flights cost around ฿3,129.

  • How much is a return flight to Heathrow?

    A return flight to Heathrow will typically cost around ฿114, however they can be found for as little as ฿110.

  • 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 T2 & T3 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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Users can book flights with no change fees policies with our dedicated filters. Book flights to Heathrow flexibly with Cheapflights today.

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