Cheap flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport from £244

LHR — BKK
20 Sep — 27 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Bangkok Suvarnabhumi are usually found in May or September, booked 85 days in advance, depart on a Monday or Tuesday and return on a Sunday

Cheap flight deals from Heathrow to Suvarnabhumi

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Suvarnabhumi

Thu 24/922:00 -
1 stop38h 15m
Mon 5/1019:15 -
1 stop30h 35m
Deal found 20/8£434
Thu 3/922:40 -
1 stop37h 40m
Sat 5/901:30 -
1 stop24h 55m
Deal found 20/8£434
Tue 8/921:20 -
1 stop21h 20m
Mon 26/1001:55 -
1 stop22h 35m
Deal found 20/8£436
Tue 8/922:10 -
1 stop31h 30m
Mon 5/1015:10 -
1 stop34h 10m
Deal found 20/8£437
Mon 30/1122:00 -
1 stop36h 05m
Thu 11/315:45 -
1 stop33h 50m
Deal found 20/8£438
Sat 21/1121:10 -
1 stop21h 10m
Sat 5/1202:20 -
1 stop23h 50m
Deal found 20/8£439
Fri 13/1121:00 -
1 stop21h 55m
Sun 29/1115:55 -
2 stops32h 35m
Deal found 19/8£440
Mon 2/1120:25 -
1 stop20h 45m
Mon 9/1115:15 -
1 stop31h 40m
Deal found 17/8£440
Thu 24/921:20 -
1 stop17h 35m
Sat 10/1003:00 -
2 stops45h 40m
Deal found 19/8£441
Mon 2/1117:40 -
1 stop17h 25m
Mon 16/1113:50 -
1 stop36h 50m
Deal found 19/8£442
Mon 2/1120:25 -
1 stop20h 45m
Wed 18/1119:30 -
1 stop27h 25m
Deal found 18/8£443
Mon 2/1121:00 -
2 stops45h 20m
Wed 25/1109:25 -
1 stop39h 05m
Deal found 18/8£443

Find flight deals from Heathrow to Suvarnabhumi

Round-trip from

£434

One-way from

£244

Popular in

December

Cheapest in

May

Average price

£788

Good round-trip deal

£768 or less

Good one-way deal

£514 or less
Shenzhen Airlines
  • Shenzhen Airlines
  • 24/9-5/10
  • 2 total stops
  • 68h 50m total
  • London to Bangkok
7/9
  • 7/9
  • 2 total stops
  • 33h 40m total
  • London to Bangkok
Highest demand for flights based on searches. 6% potential increase in price (£33 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).
Average for round-trip flights in August 2026
Price to beat on a round-trip flight from London Heathrow to Bangkok Suvarnabhumi.
Price to beat on a one-way flight from London Heathrow to Bangkok Suvarnabhumi.

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Fri 20/11

21:10-01:20

1 stop21h 10m

Bangkok Suvarnabhumi

Thu 3/12

02:20-19:10

1 stop23h 50m

£465

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Sat 12/9

08:25-06:55

1 stop16h 30m

Bangkok Suvarnabhumi

Sat 26/9

09:00-19:10

1 stop16h 10m

£517

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Wed 2/9

13:50-09:50

1 stop14h 00m

Bangkok Suvarnabhumi

Wed 7/10

23:40-10:40

2 stops17h 00m

£609

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Thu 24/9

06:30-09:30

1 stop21h 00m

Bangkok Suvarnabhumi

Sun 4/10

11:25-07:40

2 stops26h 15m

£644

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Fri 20/11

19:30-10:35

1 stop32h 05m

Bangkok Suvarnabhumi

Tue 12/1

12:35-18:30

1 stop36h 55m

£684

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Fri 13/11

21:10-01:20

1 stop21h 10m

Bangkok Suvarnabhumi

Tue 12/1

17:55-19:10

1 stop32h 15m

£701
Fastest return journey

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Thu 10/9

21:35-15:30

Nonstop11h 55m

Bangkok Suvarnabhumi

Sat 19/9

12:45-19:20

Nonstop12h 35m

£815

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Fri 23/10

09:55-09:15

2 stops17h 20m

Bangkok Suvarnabhumi

Fri 6/11

09:35-20:50

2 stops18h 15m

£850

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Wed 27/1

07:00-10:45

2 stops20h 45m

Bangkok Suvarnabhumi

Thu 28/1

13:15-13:40

2 stops31h 25m

£852

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Fri 25/9

08:40-09:15

2 stops18h 35m

Bangkok Suvarnabhumi

Fri 23/10

11:25-07:40

2 stops26h 15m

£879

Flights are sorted by cheapest return flights first.

Deals found on 17/8

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Heathrow to Suvarnabhumi

Have a flexible travel schedule? Discover the best time to fly to Suvarnabhumi from Heathrow with our price prediction graph.
Estimated return price

Cheapflights Insights

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

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

The price you pay for your flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport may vary depending on when you book. For the best chance of a lower fare, look to book 84 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 London Heathrow Airport to Bangkok Suvarnabhumi Airport?

Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport (average of £581). Flying from London Heathrow Airport to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of £909). 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 LHR to BKK?

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

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

Airfare is below average for this route at the moment.

London Heathrow Airport to Bangkok Suvarnabhumi Airport flights typically cost between £591 and £805 in September.
The cheapest return price found within the last 5 days was £434 on Shenzhen Airlines (24 Sept–5 Oct).

Reviews of airlines servicing Suvarnabhumi

Read reviews from past customers who have flown with EVA Air,Oman Air, andThai Airways from London Heathrow Airport to Bangkok Suvarnabhumi Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

8.1

Boarding

8.4

Overall

8.5

Crew

8.7

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Padma,Aug 2026

TPE - SFO

Great but could not allow me to do online booking

Food

8.1

Boarding

8.4

Overall

8.5

Crew

8.7

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Padma,Aug 2026

TPE - SFO

Great but could not allow me to do online booking

Food

8.1

Boarding

8.4

Overall

8.5

Crew

8.7

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Padma,Aug 2026

TPE - SFO

Great but could not allow me to do online booking

Food

8.1

Boarding

8.4

Overall

8.5

Crew

8.7

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Padma,Aug 2026

TPE - SFO

Great but could not allow me to do online booking

Food

8.1

Boarding

8.4

Overall

8.5

Crew

8.7

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Padma,Aug 2026

TPE - SFO

Great but could not allow me to do online booking

Food

8.1

Boarding

8.4

Overall

8.5

Crew

8.7

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Padma,Aug 2026

TPE - SFO

Great but could not allow me to do online booking

Related info for your journey

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

    For as low as £517, Shenzhen Airlines can have you in Bangkok Suvarnabhumi Airport from London Heathrow Airport in 16h 30m. London Heathrow Airport and Bangkok Suvarnabhumi Airport are separated by a distance of 5947 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from London Heathrow Airport to Bangkok Suvarnabhumi Airport round-trip?

    Flying on Scandinavian Airlines is currently your cheapest option to Bangkok Suvarnabhumi Airport, with prices starting at £279. Additional return tickets that might be worth considering are offered by Norse Atlantic UK and Vietnam Airlines, with the lowest prices starting at £290 and £317, respectively. Scandinavian Airlines is priced at 59% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapet airlines for a one-way flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport are Shenzhen Airlines (£240), Singapore Airlines (£242), and Hainan Airlines (£250).

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

    The top 3 most reliable airlines when flying from London Heathrow Airport to Bangkok Suvarnabhumi Airport are EVA Air (85%), Thai Airways (85%) and Air Canada (80%).

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

    Looking for the cheapest flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport? While on average our users pay £2,541, our data indicates the cheapest price to be £482. The most popular route (London Heathrow - Bangkok Suvarnabhumi), is priced around £399.

  • Where are the most common stopover locations when flying from London Heathrow Airport to Bangkok Suvarnabhumi Airport?

  • What are some popular things to do or see while on a stopover in Abu Dhabi?

    If you're on a stopover in Abu Dhabi and looking for things to do, consider visiting Emirates Palace Mandarin Oriental, Yas Waterworld, or Ferrari World Abu Dhabi. Travelers on a layover in Abu Dhabi can visit Emirates Palace Mandarin Oriental, Yas Waterworld, and Ferrari World Abu Dhabi, by traveling 21.1 mi, 5.0 mi, and 4.5 mi, respectively after landing at Abu Dhabi Zayed Intl. Travellers in need of a car in Abu Dhabi can hire one for about £17 per day.

  • Where are the least popular stopover locations for London Heathrow Airport to Bangkok Suvarnabhumi Airport flights?

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Suvarnabhumi 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 London Heathrow Airport to Bangkok Suvarnabhumi Airport?

    Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport (average of £581). Flying from London Heathrow Airport to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of £909). 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 Suvarnabhumi Airport?

Book flights to Bangkok Suvarnabhumi Airport if you plan to visit one of these locations
Cha-am
Kanchanaburi
Pak Chong
Chonburi
Ko Samet
Ayutthaya
Sattahip
Ko Lan

Browse thousands of different options on Cheapflights for your next trip

Fly from Heathrow to Suvarnabhumi on these airlines

Top 10 airlines flying from Heathrow to Suvarnabhumi

AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£279Average£630FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Norse Atlantic UKCheapest£290Average£578FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
Vietnam AirlinesCheapest£317Average£640FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Hainan AirlinesCheapest£360Average£415FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Turkish AirlinesCheapest£369Average£687FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Royal JordanianCheapest£402Average£672FlexibilityNo cancel feeOn-time61%
Search Royal Jordanian flights
CondorCheapest£443Average£607FlexibilityNo cancel feeOn-time76%
Search Condor flights
LufthansaCheapest£453Average£660FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Kuwait AirwaysCheapest£461Average£562FlexibilityNo cancel feeOn-time64%
Search Kuwait Airways flights
ITA AirwaysCheapest£465Average£539FlexibilityNo cancel feeOn-time81%
Search ITA Airways flights

Fly with Cheapflights

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

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

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

Yes! Cheapflights helps users easily find flights from Heathrow to Suvarnabhumi with no change fees.

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

Not ready to book yet? You can track prices for flights from Heathrow to Suvarnabhumi on Cheapflights with our Price Alert feature and get notified when better prices are available.

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