Cheap flights from Bangkok to London Heathrow Airport from £168

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 22/1. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — LHR
22 Jan — 29 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Bangkok to London Heathrow are usually found in November or March, booked 56 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from Bangkok to Heathrow

Enter your travel dates to find the best prices.

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 23 December 2025.

Thu 25/1219:10BKK - LHR
2 stops29h 25mMultiple Airlines
Tue 30/1222:10LHR - BKK
1 stop31h 20mMultiple Airlines
Deal found 23/12£479
Mon 29/1210:10BKK - LHR
1 stop17h 55mTurkish Airlines
Mon 12/106:35LHR - BKK
1 stop25h 30mTurkish Airlines
Deal found 22/12£480
Sun 28/1219:10BKK - LHR
2 stops29h 45mMultiple Airlines
Sun 25/121:10LHR - BKK
1 stop22h 05mMultiple Airlines
Deal found 21/12£485
Mon 22/1221:05BKK - LHR
2 stops27h 25mChina Eastern
Mon 12/121:00LHR - BKK
1 stop18h 25mChina Eastern
Deal found 22/12£488
Fri 26/1209:25BKK - LHR
1 stop15h 45mMultiple Airlines
Mon 12/121:00LHR - BKK
1 stop18h 25mMultiple Airlines
Deal found 22/12£488
Fri 26/1209:25BKK - LHR
1 stop15h 45mMultiple Airlines
Tue 13/121:00LHR - BKK
1 stop18h 25mMultiple Airlines
Deal found 22/12£494
Tue 23/1212:45BKK - LHR
1 stop15h 55mMultiple Airlines
Tue 13/121:00LHR - BKK
1 stop18h 25mMultiple Airlines
Deal found 22/12£494
Sat 27/1219:10BKK - LHR
1 stop29h 45mHainan Airlines
Mon 12/121:00LHR - BKK
2 stops30h 05mHainan Airlines
Deal found 21/12£496
Fri 26/1209:25BKK - LHR
1 stop15h 45mMultiple Airlines
Wed 14/121:00LHR - BKK
1 stop18h 25mMultiple Airlines
Deal found 22/12£499
Tue 23/1212:45BKK - LHR
1 stop27h 35mMultiple Airlines
Wed 14/119:45LHR - BKK
1 stop31h 20mMultiple Airlines
Deal found 22/12£500
Tue 23/1212:45BKK - LHR
1 stop15h 55mMultiple Airlines
Mon 12/121:00LHR - BKK
1 stop18h 25mMultiple Airlines
Deal found 22/12£505
Tue 23/1214:20DMK - LHR
3 stops28h 20mMultiple Airlines
Tue 13/119:20LHR - DMK
2 stops19h 05mMultiple Airlines
Deal found 22/12£614

Find 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 23 December 2025.

Round-trip from

£468

One-way from

£168

Popular in

April

Cheapest in

November

Average price

£757
26/3-9/4
  • 26/3-9/4
  • 3 total stops
  • 47h 00m total
  • Bangkok to London
Hainan Airlines
  • Hainan Airlines
  • 22/1
  • 2 total stops
  • 29h 25m total
  • Bangkok to London
Highest demand for flights based on searches. 1% potential increase in price (£8 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Average for round-trip flights in December 2025

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 23 December 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

Thu 22/1

19:10-17:35

2 stops29h 25m

London Heathrow

Thu 29/1

22:05-23:30

1 stop18h 25m

£508

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Tue 20/1

20:10-19:30

1 stop30h 20m

London Heathrow

Tue 27/1

17:40-22:25

2 stops21h 45m

£594

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Thu 12/3

20:55-11:05

1 stop21h 10m

London Heathrow

Thu 2/4

06:40-09:15

2 stops20h 35m

£596

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Wed 21/1

20:55-11:05

1 stop21h 10m

London Heathrow

Sun 25/1

21:10-01:50

1 stop21h 40m

£599

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Tue 20/1

22:50-16:20

2 stops24h 30m

London Heathrow

Sat 24/1

21:10-01:50

1 stop21h 40m

£602

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Wed 21/1

20:55-11:05

1 stop21h 10m

London Heathrow

Wed 28/1

21:05-06:35

2 stops26h 30m

£631

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 26/1

14:40-14:30

1 stop30h 50m

London Heathrow

Fri 27/2

13:55-23:25

2 stops26h 30m

£675

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Thu 22/1

20:55-11:05

1 stop21h 10m

London Heathrow

Thu 29/1

21:05-06:35

2 stops26h 30m

£676

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Tue 13/1

21:25-18:20

2 stops27h 55m

London Heathrow

Tue 3/2

22:10-22:35

1 stop17h 25m

£682

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Tue 24/2

16:50-06:40

2 stops20h 50m

London Heathrow

Sat 28/2

08:50-14:40

2 stops22h 50m

£689

Flights are sorted by cheapest return flights first.

Deals found on 22/12

Showing 1-10 of 45 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.

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 19 December 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 56 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, March is the cheapest month in which you can book a flight from Bangkok to London Heathrow Airport (average of £488). Flying from Bangkok to London Heathrow Airport in January is currently the most expensive (average of £603). 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 23 December 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 24% 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 20 December 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 23 December 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).

How much does it cost for a return flight from Bangkok to London Heathrow Airport?

How often are flights from Bangkok to London delayed?

About 14% of weekly flights between Bangkok and London have experienced delays in the past year, with the average delay time being 89 minutes.

What is the most punctual flight time for Bangkok to London flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Friday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Bangkok to London flights?

Over the past year, EVA Air have had the lowest number of delays on this route, with just 9% of flights being delayed.

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 23 December 2025.
Check out reviews from past customers who have flown with EVA Air, Emirates, andThai Airways from Bangkok to London Heathrow Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.5

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

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.

Overall

8.5

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

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.

Overall

8.5

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

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.

Overall

8.5

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

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.

Overall

8.5

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

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.

Overall

8.5

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

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.

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.
  • How long is the flight from Bangkok to London Heathrow Airport?

    For as low as £692, Etihad Airways can have you in London Heathrow Airport from Bangkok in 18h 35m. The distance from Bangkok to London Heathrow Airport is about 5947 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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 Oman Air. Our recent data shows that you can find tickets from as low as £171 on this airline. Additional options worth looking into are China Southern and Etihad Airways, starting at £234 and £330 round-trip. These flights start at 77% 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 Scandinavian Airlines, with whom users have recently found tickets for as low as £158. However, be on the lookout for offers from Etihad Airways 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 (97%), Thai Airways (92%) or EVA Air (89%) 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 £834 for a flight from Bangkok to London Heathrow Airport. The cheapest flight overall is £333 while the most popular route, (Bangkok Suvarnabhumi - London Heathrow) is currently priced at £439.

  • 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, March is the cheapest month in which you can book a flight from Bangkok to London Heathrow Airport (average of £488). Flying from Bangkok to London Heathrow Airport in January is currently the most expensive (average of £603). 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 London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Hounslow
Northampton
Luton
Gatwick
Wembley
Ilford
Brentford
Colchester
Hayes
Watford
Crawley
Swindon
Bedford
Romford
Chichester
Eastbourne
Ipswich

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 23 December 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£237Average£521FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Oman AirCheapest£286Average£643FlexibilityNo cancel feeOn-time76%
Search Oman Air flights
Air IndiaCheapest£363Average£657FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Austrian AirlinesCheapest£453Average£672FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
SAUDIACheapest£486Average£553FlexibilityNo cancel feeOn-time86%
Search SAUDIA flights
China EasternCheapest£505Average£599FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Kuwait AirwaysCheapest£511Average£582FlexibilityNo cancel feeOn-time64%
Search Kuwait Airways flights
Etihad AirwaysCheapest£548Average£617FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Turkish AirlinesCheapest£556Average£585FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
SWISSCheapest£579Average£705FlexibilityNo cancel feeOn-time79%
Search SWISS 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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