Cheap flights from London to Thailand from £268

LON — BKK
9 Dec — 16 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Thailand

Enter your travel dates to find the best prices.

Cheapest flights from London to Thailand

Sun 8/1112:30 -
1 stop21h 05m
Tue 1/1201:50 -
1 stop19h 20m
Deal found 4/11£430
Fri 4/1209:50 -
1 stop22h 10m
Thu 17/1219:55 -
1 stop17h 35m
Deal found 4/11£431
Thu 26/1122:00 -
1 stop20h 05m
Wed 16/1208:10 -
1 stop17h 25m
Deal found 4/11£431
Tue 17/1108:05 -
2 stops45h 25m
Tue 8/1205:55 -
1 stop17h 25m
Deal found 5/11£432
Mon 30/1106:45 -
2 stops41h 00m
Mon 7/1209:20 -
Nonstop13h 15m
Deal found 7/11£433
Thu 26/1112:30 -
2 stops27h 35m
Wed 16/1210:50 -
2 stops26h 35m
Deal found 5/11£433
Tue 17/1109:40 -
3 stops42h 55m
Thu 10/1214:50 -
Nonstop13h 15m
Deal found 6/11£433
Sat 28/1121:10 -
1 stop21h 10m
Thu 10/1202:20 -
1 stop23h 50m
Deal found 4/11£433
Sat 28/1117:00 -
2 stops32h 15m
Sun 13/1214:50 -
1 stop36h 35m
Deal found 6/11£433
Wed 2/1210:30 -
1 stop22h 25m
Sun 13/1201:55 -
1 stop35h 35m
Deal found 5/11£434
Wed 11/1122:00 -
1 stop34h 00m
Wed 18/1108:10 -
1 stop17h 25m
Deal found 4/11£434
Sun 29/1106:30 -
2 stops27h 35m
Sun 6/1209:20 -
Nonstop13h 35m
Deal found 7/11£435

Find flight deals from London to Thailand

Round-trip from

£430

One-way from

£268

Popular in

December

Cheapest in

September

Average price

£579

Good round-trip deal

£580 or less

Good one-way deal

£337 or less
China Southern
  • China Southern
  • 4/12-17/12
  • 2 total stops
  • 39h 45m total
  • London to Thailand
China Southern
  • China Southern
  • 18/1-31/12
  • 1 total stop
  • 26h 05m total
  • London to Thailand
Highest demand for flights based on searches. 7% potential increase in price (£38 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Average for round-trip flights in November 2026
Price to beat on a round-trip flight from London (LON) to Thailand.
Price to beat on a one-way flight from London (LON) to Thailand.

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonBangkok

LGW London Gatwick - BKK Bangkok Suvarnabhumi

LGWBKK

London Gatwick

Sun 22/11

07:25-08:15

3 stops41h 50m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£288

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Mon 30/11

21:10-17:05

1 stop36h 55m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£290

LondonBangkok

STN London Stansted - BKK Bangkok Suvarnabhumi

STNBKK

London Stansted

Wed 2/12

10:15-17:15

3 stops24h 00m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£302

LondonBangkok

STN London Stansted - BKK Bangkok Suvarnabhumi

STNBKK

London Stansted

Sun 15/11

06:25-09:20

2 stops19h 55m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£305

LondonChiang Mai

LGW London Gatwick - CNX Chiang Mai

LGWCNX

London Gatwick

Mon 18/1

17:35-20:55

1 stop20h 20m

Chiang Mai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£311

LondonChiang Mai

LGW London Gatwick - CNX Chiang Mai

LGWCNX

London Gatwick

Tue 2/3

10:30-14:20

1 stop20h 50m

Chiang Mai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£328

LondonChiang Mai

LGW London Gatwick - CNX Chiang Mai

LGWCNX

London Gatwick

Mon 25/1

10:30-14:20

1 stop20h 50m

Chiang Mai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£331

LondonChiang Mai

LGW London Gatwick - CNX Chiang Mai

LGWCNX

London Gatwick

Wed 25/11

10:30-14:20

1 stop20h 50m

Chiang Mai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£331

LondonPhuket City

LGW London Gatwick - HKT Phuket City

LGWHKT

London Gatwick

Fri 4/12

12:50-07:45

Nonstop11h 55m

Phuket City

Wed 31/12

00:00-18:00

Nonstop0h 00m

£339

LondonChiang Mai

LHR London Heathrow - CNX Chiang Mai

LHRCNX

London Heathrow

Tue 5/1

12:30-14:20

1 stop18h 50m

Chiang Mai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£350

Flights are sorted by cheapest return flights first.

Deals found on 8/11

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from London to Thailand

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

Cheapflights Insights

Everything you need to know about your flight from London to Thailand

What is the cheapest month to book a flight from London to Thailand?

Currently, May is the cheapest month in which you can book a flight from London to Thailand (average of £576). Flying from London to Thailand in December is currently the most expensive (average of £928). 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 LON to TH?

A simple way to save on the total cost of your ticket is to fly from London to Thailand at midday. If you’re flexible enough to do this you can expect to save up to 39% on your trip compared to booking a flight in the evening.

Weekly flight availability from London to Thailand

The most flights from LON to TH0 are scheduled on a Monday (10 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (8 on average).

How often are flights from London to Thailand delayed?

About 11% of weekly flights between London and Thailand have experienced delays in the past year, with the average delay time being 98 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

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

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

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

Over the past year, EVA Air have had the lowest number of delays on this route, with just 4% of flights being delayed.

How far ahead should I book a flight from London to Thailand?

The best time to book flights from London to Thailand is 55 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest day to fly from London to Thailand?

Travellers seeking maximum savings on their London to Thailand flight should consider departing on Tuesday at midday when fares are most often at their lowest. Thursday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Thailand

Get a feel of what it's like to fly with EVA Air,Thai Airways, andQatar Airways from London to Thailand by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

8.0

Comfort

8.3

Food

8.1

Overall

8.5

Boarding

8.4

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2026

TPE - CNX

I appreciate the free WIFI and meals. The crew are friendly.

Entertainment

8.0

Comfort

8.3

Food

8.1

Overall

8.5

Boarding

8.4

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2026

TPE - CNX

I appreciate the free WIFI and meals. The crew are friendly.

Entertainment

8.0

Comfort

8.3

Food

8.1

Overall

8.5

Boarding

8.4

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2026

TPE - CNX

I appreciate the free WIFI and meals. The crew are friendly.

Entertainment

8.0

Comfort

8.3

Food

8.1

Overall

8.5

Boarding

8.4

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2026

TPE - CNX

I appreciate the free WIFI and meals. The crew are friendly.

Entertainment

8.0

Comfort

8.3

Food

8.1

Overall

8.5

Boarding

8.4

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2026

TPE - CNX

I appreciate the free WIFI and meals. The crew are friendly.

Entertainment

8.0

Comfort

8.3

Food

8.1

Overall

8.5

Boarding

8.4

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2026

TPE - CNX

I appreciate the free WIFI and meals. The crew are friendly.

Related info for your journey

  • How long is the flight from London to Thailand?

    Departing from London to Thailand will take you 16h 10m. There are 6149 mi between London and Thailand. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from London to Thailand one-way?

    The cheapest airline one-way is Condor, with whom users have recently found tickets for as low as £71. However, be on the lookout for offers from Norse Atlantic UK and Singapore Airlines, as they are both options that can get you from London to Thailand for a low price.

  • What are the most popular routes from London to Thailand?

  • What are the most reliable airlines from London to Thailand?

    Consider Thai Airways (75%), EVA Air (75%) or TAP AIR PORTUGAL (72%) when booking your flight. These represent the most reliable airlines when flying from London to Thailand.

  • What are the cheapest flights from London to Thailand?

    Looking for the cheapest flight from London to Thailand? While on average our users pay £1,347, our data indicates the cheapest price to be £430. The most popular route (London Heathrow - Bangkok Suvarnabhumi), is priced around £371.

  • Can I find deals for flights from London to Thailand that include hotel bookings?

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

  • How can I find direct flights from London to Thailand?

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

  • Can I find deals for business class flights from London to Thailand?

    Yes. Cheapflights offers flight deals from London to Thailand 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 to Thailand?

    Currently, May is the cheapest month in which you can book a flight from London to Thailand (average of £576). Flying from London to Thailand in December is currently the most expensive (average of £928). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for London to Thailand

Top 10 airlines flying from London to Thailand

AirlineCheapestAverageFlexibilityOn-time
Bangkok AirwaysCheapest£124Average£168FlexibilityNo cancel feeOn-time74%
Search Bangkok Airways flights
Turkmenistan AirlinesCheapest£270Average£549FlexibilityNo cancel feeOn-time63%
Search Turkmenistan Airlines flights
Hainan AirlinesCheapest£271Average£408FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Royal JordanianCheapest£310Average£751FlexibilityNo cancel feeOn-time61%
Search Royal Jordanian flights
XiamenAirCheapest£313Average£708FlexibilityNo cancel feeOn-time49%
Search XiamenAir flights
Scandinavian AirlinesCheapest£342Average£631FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Kuwait AirwaysCheapest£368Average£726FlexibilityNo cancel feeOn-time64%
Search Kuwait Airways flights
LufthansaCheapest£400Average£881FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Riyadh AirCheapest£400Average£531FlexibilityNo cancel feeOn-timeN/A
Search Riyadh Air flights
FinnairCheapest£482Average£951FlexibilityNo cancel feeOn-time76%
Search Finnair flights

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