London to Bangkok LCY, LGW, LHR, LTN, SEN, STN → BKK, DMK
London City Airport (LCY), London Gatwick Airport (LGW), London Heathrow Airport (LHR), London Luton Airport (LTN), London Southend Airport (SEN), Stansted Airport (STN) → Suvarnabhumi Airport (BKK), Don Mueang International Airport (DMK)
The cheapest return found recently is $482 with Air China, 4 Dec – 21 Dec, found yesterday. The cheapest one-way found recently is $351 with AirAsia X, 22 Sept 2027, found 18 hours ago.
Return
The cheapest return fare on each of 60 departure dates is usually $559 to $933.
Cheapest return found recently
$482
4 Dec – 21 Dec · Air China
London Gatwick Airport (LGW) → Suvarnabhumi Airport (BKK)
Leaves 11:35 a.m. · Return leaves 2:10 p.m. · 59 h 10 min of travel, both ways together
out 1 stop, back 1 stop · via Beijing Capital International Airport (PEK), Shanghai Pudong International Airport (PVG) · overnight connection · 19 h connection
found yesterday
Cheapest nonstop return
$690
4 Dec – 20 Dec · Norse Atlantic UK
London Gatwick Airport (LGW) → Suvarnabhumi Airport (BKK)
Leaves 6:20 a.m. · Return leaves 10:55 p.m. · 25 h 15 min of travel, both ways together
out nonstop, back nonstop
found yesterday
Every nonstop date from London to Bangkok
Found recently, and the cheapest we hold
$482 4 Dec – 21 Decfound yesterdaySee prices for these dates
$477 18 Nov – 26 Novfound 5 days agoSee prices for these dates
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $459 to $481.
At $482, the cheapest return found recently is above that range.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 60 departure dates from 25 Oct to 15 Sept 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 17-night return fares leaving within 3 days of 4 Dec to compare.
Every date we hold
659 fares on 60 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 25 Oct – 7 Nov | $645 | Shenzhen Airlines | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 31 Oct – 27 Nov | $566 | Air China | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 9 Nov – 20 Nov | $479 | Air China | London Gatwick Airport (LGW) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 10 Nov – 24 Nov | $571 | Air China | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 12 Nov – 11 Dec | $496 | Air China | London Gatwick Airport (LGW) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 15 Nov – 30 Nov | $483 | Air China | London Gatwick Airport (LGW) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 17 Nov – 23 Nov | $509 | China Southern Airlines | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 18 Nov – 26 Nov | $477 | China Southern Airlines | London Gatwick Airport (LGW) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 19 Nov – 2 Dec | $480 | Air China | London Gatwick Airport (LGW) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 20 Nov – 30 Nov | $563 | Air China | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 22 Nov – 30 Nov | $560 | Air China | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 24 Nov – 2 Dec | $481 | Air China | London Gatwick Airport (LGW) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 29 Nov – 9 Dec | $491 | Air China | London Gatwick Airport (LGW) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 2 Dec – 7 Dec | $578 | China Southern Airlines | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 4 Dec – 21 Dec | $482 | Air China | London Gatwick Airport (LGW) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 6 Dec – 21 Dec | $1,272 | KLM | London City Airport (LCY) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 8 Dec – 19 Jan 2027 | $520 | Air China | London Gatwick Airport (LGW) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 9 Dec – 20 Jan 2027 | $768 | Eurowings | London Heathrow Airport (LHR) → Don Mueang International Airport (DMK) | out 3 stops, back 1 stop | found yesterday | See prices for these dates |
| 13 Dec – 27 Dec | $708 | Wizz Air UK | London Gatwick Airport (LGW) → Don Mueang International Airport (DMK) | out 3 stops, back nonstop | found 5 days ago | See prices for these dates |
| 15 Dec – 5 Jan 2027 | $945 | easyJet | London Gatwick Airport (LGW) → Suvarnabhumi Airport (BKK) | out 2 stops, back 2 stops | found 5 days ago | See prices for these dates |
| 17 Dec – 4 Jan 2027 | $2,254 | SWISS | London City Airport (LCY) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 19 Dec – 17 Jan 2027 | $985 | Vueling | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | out 3 stops, back 1 stop | found 5 days ago | See prices for these dates |
| 21 Dec – 1 Feb 2027 | $929 | easyJet | Stansted Airport (STN) → Suvarnabhumi Airport (BKK) | out 2 stops, back 2 stops | found yesterday | See prices for these dates |
| 22 Dec – 2 Jan 2027 | $2,020 | Helvetic Airways | London City Airport (LCY) → Suvarnabhumi Airport (BKK) | out 2 stops, back 2 stops | found 5 days ago | See prices for these dates |
| 23 Dec – 5 Jan 2027 | $1,494 | Helvetic Airways | London City Airport (LCY) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 24 Dec – 1 Jan 2027 | $1,072 | China Eastern | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 26 Dec – 13 Jan 2027 | $969 | China Eastern | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 28 Dec – 20 Jan 2027 | $730 | Shenzhen Airlines | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 30 Dec – 13 Jan 2027 | $650 | Shenzhen Airlines | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 31 Dec – 12 Jan 2027 | $698 | Shenzhen Airlines | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 3 Jan 2027 – 17 Jan 2027 | $916 | Ryanair | London Luton Airport (LTN) → Suvarnabhumi Airport (BKK) | out 2 stops, back 3 stops | found yesterday | See prices for these dates |
| 4 Jan 2027 – 1 Feb 2027 | $630 | China Eastern | London Gatwick Airport (LGW) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 6 Jan 2027 – 15 Jan 2027 | $618 | Shenzhen Airlines | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 10 Jan 2027 – 16 Jan 2027 | $624 | Shenzhen Airlines | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 11 Jan 2027 – 1 Feb 2027 | $601 | China Eastern | London Gatwick Airport (LGW) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 13 Jan 2027 – 16 Jan 2027 | $605 | Air China | London Gatwick Airport (LGW) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 16 Jan 2027 – 30 Jan 2027 | $557 | China Eastern | London Gatwick Airport (LGW) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 25 Jan 2027 – 23 Feb 2027 | $505 | China Southern Airlines | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 26 Jan 2027 – 24 Feb 2027 | $505 | China Southern Airlines | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 27 Jan 2027 – 26 Feb 2027 | $477 | China Southern Airlines | London Gatwick Airport (LGW) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 28 Jan 2027 – 26 Feb 2027 | $606 | China Southern Airlines | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 1 Feb 2027 – 12 Feb 2027 | $663 | Air Arabia | London Gatwick Airport (LGW) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 2 Feb 2027 – 8 Feb 2027 | $1,154 | KLM | London City Airport (LCY) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 8 Feb 2027 – 28 Feb 2027 | $618 | Hainan Airlines | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 3 hours ago | See prices for these dates |
| 11 Feb 2027 – 21 Feb 2027 | $658 | Shenzhen Airlines | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 13 Feb 2027 – 15 Mar 2027 | $577 | China Southern Airlines | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 14 Feb 2027 – 27 Feb 2027 | $630 | Shenzhen Airlines | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 16 Feb 2027 – 8 Mar 2027 | $590 | China Southern Airlines | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 1 Mar 2027 – 31 Mar 2027 | $516 | China Southern Airlines | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 8 Mar 2027 – 2 Apr 2027 | $676 | Air China | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 14 Mar 2027 – 28 Mar 2027 | $610 | Shenzhen Airlines | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 19 Jun 2027 – 30 Jun 2027 | $664 | Condor | London Gatwick Airport (LGW) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 28 Jun 2027 – 12 Jul 2027 | $815 | Air India | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 21 Jul 2027 – 11 Aug 2027 | $1,056 | Air Arabia | London Gatwick Airport (LGW) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 22 Jul 2027 – 12 Aug 2027 | $1,217 | Air Arabia | London Gatwick Airport (LGW) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 24 Jul 2027 – 21 Aug 2027 | $1,207 | Air Serbia | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | out 3 stops, back nonstop | found 4 days ago | See prices for these dates |
| 26 Jul 2027 – 18 Aug 2027 | $1,215 | Air India | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 30 Jul 2027 – 12 Aug 2027 | $1,216 | Air Arabia | London Gatwick Airport (LGW) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 31 Jul 2027 – 22 Aug 2027 | $1,064 | Air Serbia | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | out 3 stops, back 1 stop | found 4 days ago | See prices for these dates |
| 15 Sept 2027 – 16 Oct 2027 | $652 | China Eastern | London Gatwick Airport (LGW) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
Which month looks cheapest?
November 2026 is the cheapest month — from $477.
Airlines on the cheapest dates: Air China, China Southern Airlines, Shenzhen Airlines, China Eastern, Air Arabia, KLM, easyJet, Helvetic Airways.
One-way
The cheapest one-way fare on each of 4 departure dates is usually $370 to $568.
Cheapest one-way found recently
$351
22 Sept 2027 · AirAsia X
Stansted Airport (STN) → Don Mueang International Airport (DMK)
Leaves 12:20 a.m. · 38 h 30 min trip
2 stops · via Sabiha Gokcen International Airport (SAW), Kuala Lumpur International Airport (KUL) · 11 h connection
found 18 hours ago
Cheapest nonstop one-way
$613
22 Sept 2027 · EVA Air
London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK)
Leaves 9:35 p.m. · 11 h 55 min trip
nonstop
found 18 hours ago
Every nonstop date from London to Bangkok
Found recently, and the cheapest we hold
$351 22 Sept 2027found 18 hours agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $351 to $419.
At $351, the cheapest one-way found recently is below that range.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 4 departure dates from 13 Mar 2027 to 22 Sept 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
No. We hold one-way fares on 1 other departure date within 3 days of 22 Sept 2027, and it is not cheaper.
Every date we hold
59 fares on 4 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 13 Mar 2027 | $419 | Shenzhen Airlines | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | 1 stop | found 7 days ago | Open this trip |
| 11 Apr 2027 | $377 | Wizz Air UK | London Luton Airport (LTN) → Suvarnabhumi Airport (BKK) | 2 stops | found 6 days ago | Open this trip |
| 21 Sept 2027 | $1,013 | easyJet | London Southend Airport (SEN) → Suvarnabhumi Airport (BKK) | 3 stops | found 6 days ago | Open this trip |
| 22 Sept 2027 | $351 | AirAsia X | Stansted Airport (STN) → Don Mueang International Airport (DMK) | 2 stops | found 18 hours ago | Open this trip |
Which month looks cheapest?
September 2027 is the cheapest month — from $351.
Airlines on the cheapest dates: Shenzhen Airlines, Wizz Air UK, easyJet, AirAsia X.
Premium cabin fares from London to Bangkok
Return
Premium economy
The lowest premium economy fare we have seen is $1,301, on one departure date.
20 Nov – 1 Dec · LHR → BKK · Air India
out 1 stop, back 1 stop · via BOM, DEL · overnight connection
found 6 days ago
Business
The lowest business fare we have seen is $2,478, across 3 departure dates.
20 Nov – 2 Dec · LGW → BKK · China Southern Airlines
out 1 stop, back 1 stop · via CAN · overnight connection · 14 h connection
found 6 days ago
That business fare is 5.2 times the economy fare of $477.
Today's prices for 4 Dec – 21 Dec in another cabin: Premium economy · Business · First
One-way
Premium economy
The lowest premium economy fare we have seen is $811, across 2 departure dates.
30 Dec · LHR → BKK · Air India
1 stop · via DEL
found 2 days ago
Business
The lowest business fare we have seen is $1,427, across 3 departure dates.
30 Dec · LHR → BKK · Air India
1 stop · via DEL · overnight connection · 20 h connection
found 2 days ago
That business fare is 4.1 times the economy fare of $351.
Today's prices for 22 Sept 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for London to Bangkok?
Return
Fares 30 to 59 days before departure were typically 37% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $757 | $681 | +58% | 16 |
| 7–13 days | $602 | $499 | +25% | 24 |
| 14–29 days | $516 | $475 | +8% | 25 |
| 30–59 days | $480 | $459 | Cheapest seen | 25 |
| 60–89 days | $507 | $481 | +6% | 25 |
| 90–179 days | $481 | $471 | +0% | 25 |
| 180+ days | $558 | $555 | +16% | 25 |
One-way
Not enough history yet: in 25 days of one-way prices, 24 Sept to 18 Oct, fewer than 3 booking ranges had prices on 7 days or more.
Live price for these dates
The cheapest return found recently is for 4 Dec – 21 Dec. A live search on this page shows what those dates cost now, for one adult in economy.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work