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Cheap flights from Bangkok to London Heathrow Airport from £240

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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — LHR
18 Jun — 25 Jun1
1 adult

Cheapflights Tip: The best prices from Bangkok to London Heathrow are usually found in March or June, booked 27 days in advance, depart on a Thursday or Monday and return on a Tuesday

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 13 June 2025.

Round-trip from

£557

One-way from

£240

Popular in

December

Cheapest in

March

Average price

£714
SAUDIA
  • SAUDIA
  • 23/6-2/12
  • 3 total stops
  • 55h 15m total
  • Bangkok to London
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4/10
  • 4/10
  • 2 total stops
  • 29h 35m total
  • Bangkok to London
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£15 potential increase over avg. return price).
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Cheapest flight prices on average. 0% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
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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 13 June 2025.

Sun 15/602:55BKK - LHR
1 stop15h 50mMultiple Airlines
Fri 20/622:00LHR - BKK
2 stops30h 00mMultiple Airlines
Deal found 11/6£552
Mon 23/601:50BKK - LHR
1 stop24h 40mSAUDIA
Tue 2/1210:00LHR - BKK
2 stops30h 35mSAUDIA
Deal found 11/6£557
Wed 24/1221:00BKK - LHR
2 stops41h 20mRoyal Brunei Airlines
Wed 7/117:00LHR - BKK
2 stops36h 40mRoyal Brunei Airlines
Deal found 11/6£564
Mon 7/702:10BKK - LHR
1 stop22h 30mChina Eastern
Thu 10/721:20LHR - BKK
1 stop36h 30mChina Eastern
Deal found 12/6£565
Wed 18/608:20BKK - LHR
1 stop16h 40mChina Southern
Fri 27/621:00LHR - BKK
2 stops31h 20mChina Southern
Deal found 12/6£567
Sun 15/619:20BKK - LHR
2 stops30h 10mHainan Airlines
Mon 23/622:00LHR - BKK
2 stops30h 00mHainan Airlines
Deal found 11/6£573
Mon 16/606:45BKK - LHR
1 stop16h 15mTurkish Airlines
Fri 20/606:30LHR - BKK
1 stop16h 45mTurkish Airlines
Deal found 12/6£576
Fri 20/602:55BKK - LHR
1 stop18h 20mEtihad Airways
Sat 28/621:45LHR - BKK
1 stop27h 25mEtihad Airways
Deal found 12/6£578
Sat 14/610:15BKK - LHR
1 stop36h 30mAir Astana
Fri 27/619:00LHR - BKK
1 stop31h 55mAir Astana
Deal found 12/6£595
Thu 12/620:15DMK - LHR
2 stops29h 45mMultiple Airlines
Thu 19/622:10LHR - DMK
1 stop27h 25mMultiple Airlines
Deal found 11/6£620
Wed 10/1209:30BKK - LHR
1 stop15h 50mEmirates
Fri 16/119:00LHR - BKK
1 stop16h 05mEmirates
Deal found 11/6£631
Thu 12/601:30BKK - LHR
1 stop22h 15mAir China
Tue 1/720:25LHR - BKK
1 stop21h 45mAir China
Deal found 12/6£631

Cheapflights Fare Finder

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 13 June 2025.
Use the filters below to find and compare flights from Bangkok to London Heathrow Airport that are best for you.

Fly from

Bangkok

Fly to

Heathrow

Route

Depart

Return

Price

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 23/6

01:50-20:30

1 stop24h 40m

London Heathrow

Tue 2/12

10:00-23:35

2 stops30h 35m

£557

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 30/7

15:20-19:10

2 stops33h 50m

London Heathrow

Wed 15/10

22:00-00:20

1 stop20h 20m

£560

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 7/7

02:10-18:40

1 stop22h 30m

London Heathrow

Thu 10/7

21:20-15:50

1 stop36h 30m

£565

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 10/7

02:55-18:45

1 stop21h 50m

London Heathrow

Wed 27/8

09:30-07:20

1 stop15h 50m

£578

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 26/6

10:15-17:40

1 stop37h 25m

London Heathrow

Sun 29/6

18:05-08:55

1 stop32h 50m

£590

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 6/7

01:30-19:30

2 stops24h 00m

London Heathrow

Mon 14/7

22:00-18:15

2 stops38h 15m

£595

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 29/7

13:45-19:00

1 stop35h 15m

London Heathrow

Sat 6/9

21:00-01:30

2 stops22h 30m

£605

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 29/6

19:35-17:45

1 stop28h 10m

London Heathrow

Thu 3/7

20:25-00:10

1 stop21h 45m

£624

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 10/12

09:30-18:20

1 stop15h 50m

London Heathrow

Sat 17/1

09:10-07:35

1 stop15h 25m

£631

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 27/7

20:50-10:15

1 stop19h 25m

London Heathrow

Mon 18/8

12:30-13:35

1 stop19h 05m

£638

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 30 results
1
2
3

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.

Cheapflights Insights

Everything you need to know about your flight from Bangkok to London Heathrow Airport

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 9 June 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 27 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 £164). 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 13 June 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 23% 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 8 June 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. Sunday at midday 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 13 June 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 13 June 2025.
To help decide which airline to fly from Bangkok to London, see what other customers have to say about China Airlines, Emirates and Hainan Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
China Airlines
8.3
Very Good
738 reviews
Check prices

Food

7.8

Boarding

8.3

Comfort

8.0

Overall

8.3

Entertainment

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
China Airlines
8.3
Very Good
738 reviews
China Airlines
8.3
Very Good
738 reviews
Check prices

Food

7.8

Boarding

8.3

Comfort

8.0

Overall

8.3

Entertainment

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Emirates
8.1
Very Good
3,265 reviews
China Airlines
8.3
Very Good
738 reviews
Check prices

Food

7.8

Boarding

8.3

Comfort

8.0

Overall

8.3

Entertainment

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Hainan Airlines
8.1
Very Good
39 reviews
China Airlines
8.3
Very Good
738 reviews
Check prices

Food

7.8

Boarding

8.3

Comfort

8.0

Overall

8.3

Entertainment

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Thai Airways
7.7
Good
335 reviews
China Airlines
8.3
Very Good
738 reviews
Check prices

Food

7.8

Boarding

8.3

Comfort

8.0

Overall

8.3

Entertainment

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

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 SAUDIA. Our recent data shows that you can find tickets from as low as £557 on this airline. Additional options worth looking into are China Eastern and Etihad Airways, starting at £565 and £578 round-trip. These flights start at 25% 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 Malaysia Airlines, with whom users have recently found tickets for as low as £240. However, be on the lookout for offers from China Southern and China Eastern, 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 Air Canada (67%), Thai Airways (51%) or EVA Air (43%) 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 £1,189 for a flight from Bangkok to London Heathrow Airport. The cheapest flight overall is £285 while the most popular route, (Bangkok Suvarnabhumi - London Heathrow) is currently priced at £505.

  • 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 £164). 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

Travelling to a place near Bangkok?

Book flights to Bangkok if you plan to visit one of these locations
Deal
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Croydon
Milton Keynes
Northampton
Gatwick
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Eastbourne
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Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£235Average£482FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£444Average£525FlexibilityNo cancel feeOn-time67%
Search Air China flights
China EasternCheapest£493Average£541FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Singapore AirlinesCheapest£535Average£617FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Kuwait AirwaysCheapest£535Average£592FlexibilityNo cancel feeOn-time64%
Search Kuwait Airways flights
Turkish AirlinesCheapest£549Average£594FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Austrian AirlinesCheapest£551Average£669FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
SWISSCheapest£552Average£651FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Vietnam AirlinesCheapest£566Average£586FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
FinnairCheapest£567Average£645FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Bangkok today with Cheapflights!

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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