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Cheap flights from Bangkok to London Heathrow Airport from £250

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 13/3. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — LHR
10 Feb — 17 Feb1
1 adult

The best prices from Bangkok to London Heathrow are usually found in May or June, booked 70 days in advance, depart on a Tuesday or Friday and return on a Wednesday

Cheap flight deals from Bangkok to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Bangkok (TH1) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 5 February 2025.

Round-trip from

£567

One-way from

£250

Popular in

April

Cheapest in

May

Average price

£813
China Eastern
  • China Eastern
  • 17/2-25/2
  • 3 total stops
  • 64h 20m total
  • Bangkok to London
13/3
  • 13/3
  • 2 total stops
  • 28h 15m total
  • Bangkok to London
High demand for flights, 0% potential price rise
Cheapest flight prices on average. 0% potential price decrease (£5 potential savings vs. average return price).
Average for round-trip flights in February 2025

Find flight deals from Bangkok to Heathrow

Cheapest flights from Bangkok to Heathrow
Explore the most affordable flight options available from Bangkok to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 February 2025.

Mon 17/201:55BKK - LHR
1 stop19h 00mChina Eastern
Tue 25/221:00LHR - BKK
2 stops45h 20mChina Eastern
Deal found 4/2£567
Tue 4/303:20BKK - LHR
2 stops47h 20mMultiple Airlines
Wed 12/321:50LHR - BKK
1 stop28h 25mMultiple Airlines
Deal found 4/2£568
Mon 24/302:10BKK - LHR
2 stops22h 45mChina Southern
Sat 3/522:10LHR - BKK
1 stop17h 50mChina Southern
Deal found 4/2£571
Sun 9/206:40DMK - LHR
3 stops31h 30mMultiple Airlines
Thu 13/217:40LHR - DMK
2 stops23h 55mMultiple Airlines
Deal found 4/2£579
Tue 4/303:20BKK - LHR
2 stops47h 20mAir China
Wed 12/317:40LHR - BKK
1 stop17h 25mAir China
Deal found 4/2£587
Mon 5/522:45BKK - LHR
1 stop17h 00mTurkish Airlines
Fri 9/506:30LHR - BKK
1 stop26h 55mTurkish Airlines
Deal found 4/2£596
Wed 12/321:00BKK - LHR
2 stops41h 20mRoyal Brunei Airlines
Wed 9/417:15LHR - BKK
2 stops37h 25mRoyal Brunei Airlines
Deal found 4/2£601
Mon 24/303:20BKK - LHR
1 stop17h 25mKuwait Airways
Wed 7/511:45LHR - BKK
1 stop16h 45mKuwait Airways
Deal found 4/2£608
Fri 21/1114:20BKK - LHR
1 stop23h 55mVietnam Airlines
Sat 29/1111:00LHR - BKK
1 stop19h 10mVietnam Airlines
Deal found 4/2£623
Wed 26/313:10BKK - LHR
1 stop15h 30mSWISS
Tue 6/518:40LHR - BKK
1 stop33h 05mSWISS
Deal found 4/2£645
Tue 8/414:45BKK - LHR
1 stop35h 40mAir India
Fri 25/421:30LHR - BKK
1 stop34h 45mAir India
Deal found 4/2£650
Tue 6/507:05BKK - LHR
1 stop35h 05mFinnair
Wed 9/713:00LHR - BKK
1 stop34h 30mFinnair
Deal found 4/2£660

Find flights from Bangkok to Heathrow within your budget

Customise your flight search to find flights from Bangkok to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 5 February 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 17/2

01:55-13:55

1 stop19h 00m

London Heathrow

Tue 25/2

21:00-01:20

2 stops45h 20m

£567

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 4/3

03:20-19:40

2 stops47h 20m

London Heathrow

Wed 12/3

21:50-09:15

1 stop28h 25m

£568

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 24/3

02:10-17:55

2 stops22h 45m

London Heathrow

Wed 7/5

22:10-01:30

1 stop21h 20m

£571

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 4/3

03:20-19:40

2 stops47h 20m

London Heathrow

Wed 12/3

17:40-18:05

1 stop17h 25m

£587

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 15/5

22:45-15:05

1 stop22h 20m

London Heathrow

Sat 28/6

13:20-15:25

1 stop20h 05m

£596

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 12/3

21:00-07:20

2 stops41h 20m

London Heathrow

Wed 9/4

17:15-12:40

2 stops37h 25m

£601

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Tue 4/3

00:55-19:00

2 stops25h 05m

London Heathrow

Wed 12/3

21:00-01:40

2 stops21h 40m

£605

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 24/3

03:20-18:00

1 stop21h 40m

London Heathrow

Fri 9/5

11:45-10:30

1 stop16h 45m

£608

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 26/3

13:10-21:40

1 stop15h 30m

London Heathrow

Tue 6/5

18:40-09:45

1 stop33h 05m

£645

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 8/4

14:45-20:25

1 stop35h 40m

London Heathrow

Fri 25/4

21:30-14:15

1 stop34h 45m

£650

Flights are sorted by cheapest return flights first.

Deals found on 4/2

Showing 1-10 of 30 results
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Best time to book a flight from Bangkok to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Bangkok 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.

Travel insights for flights from Bangkok to Heathrow

Get recent, data-driven insights about flights from Bangkok to Heathrow including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Bangkok to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Bangkok to Heathrow. Price data was last updated on 31 January 2025.

The price you pay for your flight from Bangkok to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 70 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Bangkok to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Bangkok to London Heathrow Airport (average of £112). Flying from Bangkok to London Heathrow Airport in August is currently the most expensive (average of £162). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BKK to LHR?

Find hourly flight availability from Bangkok to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 5 February 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 22% on flights from Bangkok to London Heathrow Airport by exploring options for tickets in the afternoon.

What is the cheapest day to fly from Bangkok to London Heathrow Airport?

Use this chart to determine the cheapest time to fly return from Bangkok to Heathrow. Price data was last updated on 2 February 2025.

Travellers seeking maximum savings on their Bangkok to London Heathrow Airport flight should consider departing on Saturday afternoons when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Bangkok to London Heathrow Airport

Explore weekly flight availability from Bangkok to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 5 February 2025.

The most flights from TH1 to LHR 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).

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 London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport 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 London Heathrow Airport, 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 5 February 2025.
To help decide which airline to fly from Bangkok to London, see what other customers have to say about Emirates, China Southern and Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.0

Food

7.9

Overall

8.1

Boarding

8.1

Entertainment

8.2

Crew

8.3

Reviews

1 / 20

6.0
Good

Anonymous,Jun 2024

IAH - DXB

The seats were very uncomfortable. I along with maybe 4 other passengers were never given our breakfast meal. The attendant completely forgot about us. For such a long flight the seats should be made with more comfort in mind. Just because it is economy doesn’t mean we don’t deserve comfort.

Comfort

8.0

Food

7.9

Overall

8.1

Boarding

8.1

Entertainment

8.2

Crew

8.3

Reviews

1 / 20

6.0
Good

Anonymous,Jun 2024

IAH - DXB

The seats were very uncomfortable. I along with maybe 4 other passengers were never given our breakfast meal. The attendant completely forgot about us. For such a long flight the seats should be made with more comfort in mind. Just because it is economy doesn’t mean we don’t deserve comfort.

Comfort

8.0

Food

7.9

Overall

8.1

Boarding

8.1

Entertainment

8.2

Crew

8.3

Reviews

1 / 20

6.0
Good

Anonymous,Jun 2024

IAH - DXB

The seats were very uncomfortable. I along with maybe 4 other passengers were never given our breakfast meal. The attendant completely forgot about us. For such a long flight the seats should be made with more comfort in mind. Just because it is economy doesn’t mean we don’t deserve comfort.

Comfort

8.0

Food

7.9

Overall

8.1

Boarding

8.1

Entertainment

8.2

Crew

8.3

Reviews

1 / 20

6.0
Good

Anonymous,Jun 2024

IAH - DXB

The seats were very uncomfortable. I along with maybe 4 other passengers were never given our breakfast meal. The attendant completely forgot about us. For such a long flight the seats should be made with more comfort in mind. Just because it is economy doesn’t mean we don’t deserve comfort.

Comfort

8.0

Food

7.9

Overall

8.1

Boarding

8.1

Entertainment

8.2

Crew

8.3

Reviews

1 / 20

6.0
Good

Anonymous,Jun 2024

IAH - DXB

The seats were very uncomfortable. I along with maybe 4 other passengers were never given our breakfast meal. The attendant completely forgot about us. For such a long flight the seats should be made with more comfort in mind. Just because it is economy doesn’t mean we don’t deserve comfort.

Comfort

8.0

Food

7.9

Overall

8.1

Boarding

8.1

Entertainment

8.2

Crew

8.3

Reviews

1 / 20

6.0
Good

Anonymous,Jun 2024

IAH - DXB

The seats were very uncomfortable. I along with maybe 4 other passengers were never given our breakfast meal. The attendant completely forgot about us. For such a long flight the seats should be made with more comfort in mind. Just because it is economy doesn’t mean we don’t deserve comfort.

Related info for your journey

Find useful and relevant information for your journey from Bangkok to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines flying from Bangkok to London Heathrow Airport round-trip?

    Our cheapest airline available from Bangkok to London Heathrow Airport is China Eastern. Our recent data shows that you can find tickets from as low as £567 on this airline. Additional options worth looking into are China Southern and Air China, starting at £571 and £587 round-trip. These flights start at 30% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Bangkok to London Heathrow Airport one-way?

    The cheapest airline one-way is China Eastern, with whom users have recently found tickets for as low as £250. However, be on the lookout for offers from Air China and China Southern, as they are both options that can get you from Bangkok to London Heathrow Airport for a low price.

  • What are the most reliable airlines from Bangkok to London Heathrow Airport?

    No one likes to see their flight delayed. When booking a flight from Bangkok to London Heathrow Airport consider choosing EVA Air (84%), Thai Airways (81%) or Air Canada (73%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Bangkok to London Heathrow Airport?

    On average you can expect to pay £1,500 for a flight from Bangkok to London Heathrow Airport. The cheapest flight overall is £305 while the most popular route, (Bangkok Suvarnabhumi - London Heathrow) is currently priced at £523.

  • Can I find deals for flights from Bangkok to Heathrow that include hotel bookings?

    Yes. In addition to deals on Bangkok to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Bangkok to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bangkok to Heathrow.

  • Can I find deals for business class flights from Bangkok to Heathrow?

    Yes. Cheapflights offers flight deals from Bangkok to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Bangkok to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Bangkok to London Heathrow Airport (average of £112). Flying from Bangkok to London Heathrow Airport in August is currently the most expensive (average of £162). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Bangkok to Heathrow

Discover the top 10 airlines that operate flights from Bangkok to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 5 February 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£433Average£550FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest£524Average£584FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest£532Average£583FlexibilityNo cancel feeOn-time67%
Search Air China flights
FinnairCheapest£553Average£698FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Malaysia AirlinesCheapest£572Average£632FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
SWISSCheapest£600Average£716FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Austrian AirlinesCheapest£609Average£714FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Kuwait AirwaysCheapest£610Average£649FlexibilityNo cancel feeOn-time64%
Search Kuwait Airways flights
Vietnam AirlinesCheapest£619Average£640FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Etihad AirwaysCheapest£622Average£695FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Bangkok to Heathrow?

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Why should you use Cheapflights to find cheap flight tickets from Bangkok to Heathrow?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Bangkok.

Can Cheapflights find flights from Bangkok to Heathrow with no change fees?

Yes, we can. To see specific flights from Bangkok to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Bangkok to Heathrow become cheaper?

Of course! You can now track prices for flights from Bangkok to Heathrow and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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