Cheap flights from Bangkok to London Heathrow Airport from £189

BKK — LHR
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Bangkok to London Heathrow are usually found in February or October, booked 80 days in advance, depart on a Thursday or Sunday and return on a Monday

Cheap flight deals from Bangkok to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Bangkok to Heathrow

Tue 10/1118:10 -
1 stop32h 00m
Fri 27/1121:10 -
1 stop31h 00m
Deal found 31/10£505
Mon 2/1112:35 -
1 stop36h 55m
Tue 17/1109:00 -
2 stops19h 35m
Deal found 31/10£505
Wed 18/1120:35 -
2 stops28h 35m
Fri 27/1110:30 -
2 stops23h 45m
Deal found 31/10£506
Mon 16/1108:30 -
1 stop16h 40m
Sun 29/1121:10 -
1 stop21h 10m
Deal found 3/11£507
Thu 19/1114:40 -
1 stop23h 00m
Sun 22/1121:10 -
1 stop36h 55m
Deal found 2/11£508
Tue 10/1122:10 -
2 stops27h 00m
Wed 25/1121:10 -
1 stop21h 10m
Deal found 31/10£508
Mon 9/1117:50 -
2 stops19h 50m
Sun 22/1121:10 -
1 stop21h 10m
Deal found 31/10£509
Fri 13/1108:30 -
1 stop16h 30m
Sun 15/1121:10 -
1 stop31h 00m
Deal found 3/11£510
Thu 3/1219:30 -
2 stops29h 15m
Mon 7/1206:00 -
2 stops18h 15m
Deal found 3/11£511
Mon 7/1202:55 -
1 stop16h 10m
Wed 6/121:10 -
1 stop21h 10m
Deal found 3/11£511
Sat 7/1121:25 -
2 stops45h 40m
Mon 23/1121:10 -
1 stop21h 10m
Deal found 31/10£512
Sat 5/1214:40 -
1 stop34h 30m
Fri 1/121:10 -
1 stop31h 00m
Deal found 30/10£513

Find flight deals from Bangkok to Heathrow

Round-trip from

£505

One-way from

£189

Popular in

August

Cheapest in

February

Average price

£772
Hainan Airlines
  • Hainan Airlines
  • 17/12-4/1
  • 4 total stops
  • 59h 20m total
  • Bangkok to London
Hainan Airlines
  • Hainan Airlines
  • 15/12-31/12
  • 1 total stop
  • 38h 15m total
  • Bangkok to London
Highest demand for flights based on searches. 4% potential increase in price (£27 potential increase over avg. return price).
Cheapest flight prices on average. 0% potential price decrease (£5 potential savings vs. average return price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BangkokLondon

BKK Bangkok Suvarnabhumi - LHR London Heathrow

BKKLHR

Bangkok Suvarnabhumi

Sun 6/12

14:40-12:05

1 stop28h 25m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£224

BangkokLondon

BKK Bangkok Suvarnabhumi - LHR London Heathrow

BKKLHR

Bangkok Suvarnabhumi

Thu 1/4

14:45-07:30

2 stops22h 45m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£366

BangkokLondon

DMK Bangkok Don Mueang Intl - LHR London Heathrow

DMKLHR

Bangkok Don Mueang Intl

Wed 2/12

09:10-13:50

1 stop35h 40m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£369

BangkokLondon

DMK Bangkok Don Mueang Intl - LHR London Heathrow

DMKLHR

Bangkok Don Mueang Intl

Sun 22/11

23:00-16:10

1 stop24h 10m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£369

BangkokLondon

DMK Bangkok Don Mueang Intl - LHR London Heathrow

DMKLHR

Bangkok Don Mueang Intl

Tue 24/11

23:00-18:20

1 stop26h 20m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£369

BangkokLondon

DMK Bangkok Don Mueang Intl - LHR London Heathrow

DMKLHR

Bangkok Don Mueang Intl

Fri 13/11

23:00-16:10

1 stop24h 10m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£369

BangkokLondon

DMK Bangkok Don Mueang Intl - LHR London Heathrow

DMKLHR

Bangkok Don Mueang Intl

Wed 25/11

11:10-13:50

1 stop33h 40m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£369

BangkokLondon

DMK Bangkok Don Mueang Intl - LHR London Heathrow

DMKLHR

Bangkok Don Mueang Intl

Sun 13/12

09:10-07:10

1 stop29h 00m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£376

BangkokLondon

DMK Bangkok Don Mueang Intl - LHR London Heathrow

DMKLHR

Bangkok Don Mueang Intl

Sat 12/12

09:10-20:00

1 stop17h 50m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£379

BangkokLondon

DMK Bangkok Don Mueang Intl - LHR London Heathrow

DMKLHR

Bangkok Don Mueang Intl

Fri 27/11

11:10-13:50

1 stop33h 40m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£403

Flights are sorted by cheapest return flights first.

Deals found on 2/11

Showing 1-10 of 43 resultsSorted by cheapest first
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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

Cheapflights Insights

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

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

Currently, February is the cheapest month in which you can book a flight from Bangkok to London Heathrow Airport (average of £725). Flying from Bangkok to London Heathrow Airport in August is currently the most expensive (average of £856). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Bangkok to London Heathrow Airport as you normally would.

Weekly flight availability from Bangkok to London Heathrow Airport

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?

Airfare is below average for this route at the moment.
Bangkok to London Heathrow Airport flights typically cost between £634 and £856 in December.
The cheapest return price found within the last 5 days was £505 on Hainan Airlines (17 Dec–4 Jan).

How often are flights from Bangkok to London delayed?

About 11% of weekly flights between Bangkok and London have experienced delays in the past year, with the average delay time being 97 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 Thursday 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, Thai Airways have had the lowest number of delays on this route, with just 10% of flights being delayed.

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

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 78 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Heathrow

Check out reviews from past customers who have flown with EVA Air,Emirates, andOman Air 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.

Boarding

8.4

Comfort

8.3

Food

8.1

Crew

8.7

Entertainment

8.0

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.

Boarding

8.4

Comfort

8.3

Food

8.1

Crew

8.7

Entertainment

8.0

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.

Boarding

8.4

Comfort

8.3

Food

8.1

Crew

8.7

Entertainment

8.0

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.

Boarding

8.4

Comfort

8.3

Food

8.1

Crew

8.7

Entertainment

8.0

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.

Boarding

8.4

Comfort

8.3

Food

8.1

Crew

8.7

Entertainment

8.0

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.

Boarding

8.4

Comfort

8.3

Food

8.1

Crew

8.7

Entertainment

8.0

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.

Related info for your journey

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

    For as low as £687, Shenzhen Airlines can have you in London Heathrow Airport from Bangkok in 16h 40m. 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 Air India. Our recent data shows that you can find tickets from as low as £272 on this airline. Additional options worth looking into are Oman Air and Etihad Airways, starting at £287 and £399 round-trip. These flights start at 65% 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 Norse Atlantic UK, with whom users have recently found tickets for as low as £116. However, be on the lookout for offers from Scandinavian Airlines and Hainan Airlines, 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 (71%), TAP AIR PORTUGAL (71%) or Thai Airways (62%) 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 £1,064 for a flight from Bangkok to London Heathrow Airport. The cheapest flight overall is £341 while the most popular route, (Bangkok Suvarnabhumi - London Heathrow) is currently priced at £491.

  • 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, February is the cheapest month in which you can book a flight from Bangkok to London Heathrow Airport (average of £725). Flying from Bangkok to London Heathrow Airport in August is currently the most expensive (average of £856). 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
Hounslow
Luton
Milton Keynes
Wembley
Gatwick
Slough
Ilford
Hayes
Croydon
Eastbourne
Northampton
Barnet
Brentford
Southend-on-Sea
Enfield
Southall
Harrow
Watford
Folkestone
Dagenham

Browse thousands of different options on Cheapflights for your next trip

Top 9 airlines flying from Bangkok to Heathrow

AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest£272Average£595FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Oman AirCheapest£287Average£559FlexibilityNo cancel feeOn-time76%
Search Oman Air flights
Etihad AirwaysCheapest£399Average£639FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Thai AirwaysCheapest£513Average£904FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
China EasternCheapest£517Average£578FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Qatar AirwaysCheapest£548Average£699FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
EmiratesCheapest£679Average£744FlexibilityNo cancel feeOn-time75%
Search Emirates flights
FinnairCheapest£680Average£750FlexibilityNo cancel feeOn-time76%
Search Finnair flights
EVA AirCheapest£729Average£854FlexibilityNo cancel feeOn-time74%
Search EVA Air flights

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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.

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