Find Cheap Flights from Bangkok to London – Compare and Save

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Everything you should know

Direct flights
You can fly direct with Thai Airways, EVA Air, and others. Average duration is 13h 22m.
Direct flights
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Direct flights
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Top routes
Cheapest • 34% average savings
Most popular
Insights
Insights
Avoid delays
Most punctual • 94% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 22 weeks in advance save around 8% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 12% price drop
Most popular
Good to know
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Good to know
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Top stopover airports
Cheapest • Avg ฿21,433 (return)
Shortest trip • 14h 17m (one-way)
Insights
Insights
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Booking Insights
Flight Deals

Cheap Flights from Bangkok to London

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

Recent return flight deals from Bangkok to London

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

Price, demand, and travel trends for Bangkok to London 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 Bangkok to London flight route?

Bangkok Don Mueang Intl Airport (DMK) to London Heathrow Airport (LHR) is the cheapest Bangkok to London route, averaging ฿18,206 return. Other Bangkok to London routes average ฿28,964, based on KAYAK data over the past 12 months.

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

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Bangkok to London. It's 3% cheaper than the average day, while Saturday is the most expensive, with prices 6% higher.

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

•February is the cheapest month to fly from Bangkok to London at ฿29,423 return.
•August (฿37,623) and July (฿36,813) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 27% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Bangkok to London the cheapest?

Flights from Bangkok to London are cheapest 22 weeks before departure. Booking in this window typically costs about 8% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Bangkok to London flights

Low season

February
Beat the crowds with an average 33% drop in travellers.
The most popular month to fly with an average 33% increase in travellers.

When to book flights from Bangkok to London

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

Your Bangkok to London 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 Bangkok to London?

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

    • Earliest: departs at 00:25 and lands at 13:47
    • Latest: departs at 23:05 and lands at 12:27.

    The flight takes about 13h 22m.

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

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

    • Economy class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How long is a flight from Bangkok to London?

    A direct flight from Bangkok to London takes 13h 22m, covering 15,332 km.

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

    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 Bangkok to London flight?

    Return flights from Bangkok to London range from ฿27,084 to ฿38,814, with an average of ฿33,269 over the past 12 months. Anything below ฿27,084 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 4% above the ฿33,269 route average. Book 22 weeks before departure for the lowest fares.

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

    On this route, stopover flights are cheaper than direct options on average. Stopover fares average ฿21,433 return via Stockholm Arlanda (ARN), compared with ฿37,821 for direct.

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

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

    • บริติชแอร์เวย์: 94% on time
    • Thai Airways: 90% on time
    • EVA Air: 87% on time

    On average, flights on this route are punctual 90% of the time.

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

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge ฿1,991–฿3,374 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

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

    Afternoon is the busiest departure period on Bangkok to London flights, with 50% leaving in that window. Night departures account for 50%, Morning flights for 0%, and Evening flights for 0%.

  • What car rental options are available in London?

    Since London is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
    Near London Heathrow Airport (LHR) – daily rates from around ฿238:

    • GREEN MOTION
    • DRIVALIA
    • Europcar
    • Alamo
    • Hertz

    Near London Gatwick Airport (LGW) – daily rates from around ฿251:

    • GREEN MOTION
    • DRIVALIA
    • U-Save
    • Europcar
    • Alamo

    Near London City Airport (LCY) – daily rates from around ฿347:

    • GREEN MOTION
    • Budget
    • Hertz
    • Avis
    • Sixt

    Near London Stansted Airport (STN) – daily rates from around ฿332:

    • GREEN MOTION
    • DRIVALIA
    • Europcar
    • Alamo
    • U-Save

    Near London Luton Airport (LTN) – daily rates from around ฿358:

    • GREEN MOTION
    • DRIVALIA
    • Alamo
    • Europcar
    • U-Save

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

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

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

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

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

    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 Bangkok to London route, 10% of flights were delayed in the past three months, with delays averaging 1h 55m.

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

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

    • Abu Dhabi Zayed Intl (AUH) – 20% of one-stop connections
    • Dubai Intl (DXB) – 18% of one-stop connections
    • Doha Hamad Intl (DOH) – 13% of one-stop connections
    • Muscat Seeb (MCT) – 11% of one-stop connections

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

    Yes. Flexible dates can save you up to 9% on flights from Bangkok to London. Tuesday is the cheapest departure day at ฿32,528 return on average, while Saturday is the most expensive at ฿35,362, a difference of ฿2,834.

    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 Bangkok to London?

    4 airlines operate flights between Bangkok and London. 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 Bangkok to London?

    Flying via Vienna Intl (VIE) gives the shortest average 1-stop total travel time of 14h 17m, compared to 14h 36m via Zurich (ZRH) and 15h 27m via Munich Franz Josef Strauss (MUC).

  • What is the time difference between Bangkok and London?

    London is 7 hours behind Bangkok (British Time vs Indochina Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in London?

    Some of the most popular sights in London are Emirates Stadium, New London Theatre, and Marble Arch. These are among the most viewed places in London on KAYAK.

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

    Among airlines operating Bangkok to London flights:

    • Thai Airways: offers free seat selection
    • EVA Air: offers extra legroom
    • Norse Atlantic UK: offers extra legroom; 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 Bangkok to London flights?

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

    • Thai Airways: a cabin bag and a checked bag in Economy class
    • EVA Air: 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.

Your guide to booking Bangkok to London 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 Tuesday departure and avoid flying on Saturday. On this route, Tuesday flights average ฿32,528, which is about ฿2,834 less than Saturday fares (8% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 22 weeks before you fly. On this route, that window historically saves about 8% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Bangkok to London trip for February. Fares historically average ฿29,423 return in that month – typically ฿8,199 less than the most expensive month, which is August (based on the last 12 months).
  • For the best chance of arriving on time, fly with บริติชแอร์เวย์. Over the past three months, 94% of บริติชแอร์เวย์ flights from Bangkok to London arrived on time, slightly above the route average of 90%. When flights on this route arrive late, they're delayed by an average of 1h 55m, 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 Stockholm Arlanda Airport (ARN) can be cheaper than flying direct. The cheapest stopover option averages ฿21,433 return on this route – about ฿16,388 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 London City Airport

    • Good Hotel London
    • Aloft London Excel
    • Novotel London Excel

    Near London Heathrow Airport

    • Hilton London Heathrow Airport

    Near London Gatwick Airport

    • Premier Inn London Gatwick Airport

Prefer to fly direct from Bangkok to London?

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

Direct departures

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

Direct returns

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

More options for your flight from Bangkok to London

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