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Everything you should know

Direct flights
You can fly direct with Thai Airways, EVA Air, and others. Average duration is 11h 35m.
Direct flights
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Direct flights
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Top routes
Cheapest • 42% average savings
Most popular
Insights
Insights
Avoid delays
Most punctual • 97% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 13 weeks in advance save around 6% compared to booking last minute.
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Insights
When to travel
Cheapest • 19% price drop
Most popular
Good to know
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Good to know
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Top stopover airports
Cheapest • Avg ฿18,012 (return)
Shortest trip • 14h 30m (one-way)
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We hope you enjoy your trip to Bangkok!
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Flight Deals

Cheap Flights from London to Bangkok (LON-BKK)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from London to Bangkok

Multiple Airlines Logo
LON  London All airports-TH1 Glasgow Thorntonhall
15332 kmmulti-stop
Multiple Airlines Logo
TH1  Glasgow Thorntonhall-LON London All airports
15332 kmmulti-stop
Multiple Airlines
Booking Insights

Price, demand, and travel trends for London to Bangkok flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

What is the cheapest London to Bangkok flight route?

London Gatwick Airport (LGW) to Bangkok Don Mueang Intl Airport (DMK) is the cheapest London to Bangkok route, averaging ฿19,039 return. Other London to Bangkok routes average ฿34,266, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from London to Bangkok?

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from London to Bangkok. It’s 0% cheaper than the average day, while Friday is the most expensive, with prices 5% higher.

What is the cheapest month to fly from London to Bangkok?

•May is the cheapest month to fly from London to Bangkok at ฿24,557 return.
•December (฿42,093) and July (฿37,054) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 71% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from London to Bangkok the cheapest?

Flights from London to Bangkok are cheapest 13 weeks before departure. Booking in this window typically costs about 6% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for London to Bangkok flights

Low season

September
Beat the crowds with an average 30% drop in traveller numbers.
The most popular month to fly with an average 43% increase in traveller numbers.

When to book flights from London to Bangkok

Are your dates flexible? Find out the best times to travel from London to Bangkok based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your London to Bangkok flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • What are the earliest and latest flights from London to Bangkok?

    These are the earliest and latest flight times available from London to Bangkok:

    • Earliest: departs at 06:20 and lands at 17:55
    • Latest: departs at 22:15 and lands at 09:50.

    The flight takes about 11h 35m.

  • Which cabin classes can I book on flights from London to Bangkok?

    Three cabin classes are available on flights from London to Bangkok:

    • Economy class
    • Premium Economy Class
    • Business Class

  • How long is a flight from London to Bangkok?

    A direct flight from London to Bangkok takes 11h 35m, covering 15,332 km.

  • Do I need a passport to fly from London to Bangkok?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a London to Bangkok flight?

    Return flights from London to Bangkok range from ฿23,778 to ฿37,965, with an average of ฿30,275 over the past 12 months. Anything below ฿23,778 counts as a good deal.

  • How expensive are last-minute London to Bangkok flights?

    Last-minute fares on this route (booked within two weeks of departure) run 0% above the ฿30,275 route average. Book 13 weeks before departure for the lowest fares.

  • How much can I save by having a stopover when flying from London to Bangkok?

    On this route, stopover flights are cheaper than direct options on average. Stopover fares average ฿18,012 return via Zhengzhou (CGO), compared with ฿35,427 for direct.

  • How does on-time performance compare across airlines flying from London to Bangkok?

    EVA Air is slightly above the route average for timely arrivals, while บริติชแอร์เวย์ has a lower on-time arrival rate. On-time arrival rates on London to Bangkok flights are:

    • EVA Air: 97% on time
    • บริติชแอร์เวย์: 92% on time
    • Thai Airways: 87% on time

    On average, flights on this route are punctual 91% of the time.

  • What is the standard checked bag allowance on flights from London to Bangkok?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge ฿739–฿3,359 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

  • How are flight departures from London to Bangkok spread across the day?

    Night is the busiest departure period on London to Bangkok flights, with 75% leaving in that window. Morning departures account for 25%, Afternoon flights for 0%, and Evening flights for 0%.

  • Which airlines offer Wi-Fi on London to Bangkok flights?

    EVA Air is the only airline on the London to Bangkok route offering in-flight Wi-Fi. Pricing depends on fare class.

  • What car rental options are available in Bangkok?

    Since Bangkok is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
    Near Bangkok Suvarnabhumi Airport (BKK) – daily rates from around ฿434:

    • Drive Car Rental
    • Alamo
    • Sixt
    • Yesaway
    • Hertz

    Near Bangkok Don Mueang Intl Airport (DMK) – daily rates from around ฿228:

    • Drive Car Rental
    • Alamo
    • Thai Rent
    • Chic Car Rent
    • Hertz

  • Which airports can I use when flying from London to Bangkok?

    Flights from London to Bangkok may depart from several airports in London area, including London City (LCY), London Gatwick (LGW), London Heathrow (LHR), London Luton (LTN), London Southend (SEN) and London Stansted (STN), with arrivals available at airports in Bangkok such as Bangkok Suvarnabhumi (BKK) and Bangkok Don Mueang Intl (DMK).

  • What time of day has the fewest delays on flights from London to Bangkok?

    Morning flights have the fewest delays on this route, while afternoon departures tend to have the most.

  • At what point is a flight considered delayed on the route from London to Bangkok?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the London to Bangkok route, 9% of flights were delayed in the past three months, with delays averaging 1h 51m.

  • Which airports do connecting flights from London to Bangkok pass through?

    One-stop flights from London to Bangkok most commonly connect through:

    • Abu Dhabi Zayed Intl (AUH) – 19% of one-stop connections
    • Doha Hamad Intl (DOH) – 16% of one-stop connections
    • Shanghai Pu Dong (PVG) – 10% of one-stop connections
    • Dubai Intl (DXB) – 7% of one-stop connections

  • Can I save money by using flexible dates for flights from London to Bangkok?

    Yes. Flexible dates can save you up to 6% on flights from London to Bangkok. Monday is the cheapest departure day at ฿30,268 return on average, while Friday is the most expensive at ฿31,982, a difference of ฿1,713.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • Which airlines fly from London to Bangkok?

    4 airlines operate flights between London and Bangkok. The airlines offering direct flights on this route include:

    • Thai Airways
    • EVA Air
    • บริติชแอร์เวย์
    • Norse Atlantic UK

  • How much time can I save by choosing a different stopover airport from London to Bangkok?

    Flying via Vienna Intl (VIE) gives the shortest average 1-stop total travel time of 14h 30m, compared to 15h 08m via Munich Franz Josef Strauss (MUC) and 15h 17m via Zurich (ZRH).

  • What is the time difference between London and Bangkok?

    Bangkok is 6 hours ahead of London (Indochina Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Bangkok?

    Some of the most popular sights in Bangkok are Victory Monument, Siam Square, and Pratunam. These are among the most viewed places in Bangkok on KAYAK.

  • Which airlines offer extra legroom and free seat selection on London to Bangkok flights?

    Among airlines operating London to Bangkok flights:

    • EVA Air: offers extra legroom; offers free seat selection
    • Thai Airways: offers free seat selection
    • Norse Atlantic UK: offers extra legroom; offers free seat selection
    • บริติชแอร์เวย์: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on London to Bangkok flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • EVA Air: a cabin bag and a checked bag in Economy class
    • Thai Airways: a cabin bag and a checked bag in Economy class
    • Norse Atlantic UK: a cabin bag and a checked bag in Economy class

    Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.

  • Which airport in London is the easiest to access?

    As the only airport within the city limits of London, London City Airport will be the easiest to access from the city centre. City buses and the Docklands Light Railway connect the rest of the city and the London Underground to the airport. Heathrow Airport comes next, due to its direct connection with the London Underground, as well as the Heathrow Express train, which can reach the airport from Paddington Station in 15min. However, if you’re travelling from south London, Gatwick might be a good option, as it is 25 miles south of the city centre (there is also the 30min Gatwick Express train from Victoria Station). Transport options to Stansted are limited unless you are travelling from the north, and the Stansted Express to Liverpool Street Station takes around 45min.

  • Are there on-site hotels at Suvarnabhumi Airport?

    If you’re feeling the jet lag, Suvarnabhumi Airport, fortunately, has three hotels within the airport. Miracle Transit Hotel is within the secure area and features a beauty salon, sauna, and spa. Boxtel has soundproofed rooms with air conditioning, a full bed, and a pillow, as well as a work desk. Avangard Capsule Hotel has queen-sized sleep capsules with charging sockets, reading lights, and a locker.

  • What are my options for transport from Suvarnabhumi Airport?

    The airport is served by city buses as well as regional buses, with connections to Pattaya, Sa Kaeo, Nong Khai, Sriracha, Rangsit, and Phra Ram. Air-conditioned Limo Buses travelling non-regular routes are also available. The Airport Rail Link train service departs from Basement B of Terminal 1 during the hours of 06:00 to 00:00, travelling to Phaya Thai Station with six stops along the way. Car hire services are available 24h, from the second floor of Terminal 1.

  • What family services are available at the airports?

    All London airports have baby changing facilities. Heathrow, Gatwick, London City Airport, and Suvarnabhumi Airport have several children’s play areas. Gatwick also has strollers available for toddlers.

Your guide to booking London to Bangkok flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure and avoid flying on Friday. On this route, Monday flights average ฿30,268, about ฿1,713 less than Friday fares (5% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 13 weeks before you fly. On this route, that window historically saves about 6% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your London to Bangkok trip for May. Fares historically average ฿24,557 return in that month – typically ฿17,536 less than the most expensive month, which is December (based on the last 12 months).
  • For the best chance of arriving on time, fly with EVA Air. Over the past three months, 97% of EVA Air flights from London to Bangkok arrived on time, slightly above the route average of 91%. When flights on this route arrive late, they're delayed by an average of 1h 51m, so choosing an airline with strong on-time performance can make a difference if you're on a tight schedule.
  • If you have the time, taking a 1-stop flight through Zhengzhou Airport (CGO) can be cheaper than flying direct. The cheapest stopover option averages ฿18,012 return on this route – about ฿17,416 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, hotels close to the airport you're flying into can be a convenient option.

    Near Bangkok Suvarnabhumi Airport

    • Regency Bangkok Suvarnabhumi Airpor
    • Suvarnabhumi Ville Airport Hotel
    • Siam Mandarina Bangkok Suvarnabhumi Airport Hotel (Free Shuttle)

    Near Bangkok Don Mueang Intl Airport

    • Amari Don Muang Airport Bangkok
    • The Royal Bee Apart Hotel
  • London has a whopping six airports, but Heathrow Airport (LHR), Gatwick Airport (LGW), London City Airport (LCY), and London Stansted Airport (STN) are the ones with flights to Bangkok.
  • As Heathrow is the busiest and biggest airport in the UK, make sure to arrive with time to spare – the airport’s size and traffic levels mean longer queues as well as more walking. Fast-track security access can be pre-booked at least 24h before your flight, for around £12.50.
  • Fancy a bit of reading? Newspapers and magazines can be picked up for free from the Green Bug Media stands at Gatwick.
  • Bangkok has two international airports, but flights from London now land in the newer Suvarnabhumi Airport (BKK). Suvarnabhumi Airport serves Bangkok and Samut Prakan and is the main hub for Thai Airways.
  • If you’re in need of Thai baht after landing, Kasikornbank, Siam Commercial Bank, and TMB Bank in the airport offer foreign currency exchange as well as international money transfers.
  • If you would like your journey to be as quick as possible, you can find direct flights from Heathrow to Suvarnabhumi Airport with EVA Air or Thai Airways.

Prefer to fly direct from London to Bangkok?

 
Find which airlines fly direct from London to Bangkok, which days they fly and book direct flights.

Direct departures

London to Bangkok

Monday

EVA Air,Thai Airways,บริติชแอร์เวย์, +1 more

EVA Air,Thai Airways, +2 more

Tuesday

EVA Air,Norse Atlantic UK,Thai Airways, +1 more

EVA Air,Norse Atlantic UK, +2 more

Wednesday

EVA Air,Thai Airways,Norse Atlantic UK

EVA Air,Thai Airways, +1 more

Thursday

EVA Air,Thai Airways,บริติชแอร์เวย์

EVA Air,Thai Airways, +1 more

Friday

EVA Air,Thai Airways,บริติชแอร์เวย์, +1 more

EVA Air,Thai Airways, +2 more

Saturday

EVA Air,Thai Airways,บริติชแอร์เวย์

EVA Air,Thai Airways, +1 more

Sunday

EVA Air,Norse Atlantic UK,Thai Airways, +1 more

EVA Air,Norse Atlantic UK, +2 more

See more direct flights

Direct returns

Bangkok to London

Monday

EVA Air,Norse Atlantic UK,Thai Airways, +1 more

EVA Air,Norse Atlantic UK, +2 more

Tuesday

EVA Air,Thai Airways,บริติชแอร์เวย์, +1 more

EVA Air,Thai Airways, +2 more

Wednesday

EVA Air,Norse Atlantic UK,Thai Airways, +1 more

EVA Air,Norse Atlantic UK, +2 more

Thursday

EVA Air,Thai Airways,Norse Atlantic UK

EVA Air,Thai Airways, +1 more

Friday

EVA Air,Thai Airways,บริติชแอร์เวย์

EVA Air,Thai Airways, +1 more

Saturday

EVA Air,Thai Airways,บริติชแอร์เวย์

EVA Air,Thai Airways, +1 more

Sunday

EVA Air,Thai Airways,บริติชแอร์เวย์, +1 more

EVA Air,Thai Airways, +2 more

See more direct flights

More options for your flight from London to Bangkok

Complete your trip to Bangkok with a hotel stay or car hire