LHR - DMK

£297 Find Cheap Flights from London Heathrow Airport to Bangkok Don Mueang Intl – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
£482
Typical prices: £661-£865
Multiple Airlines
Thu 15/11Fri 23/11
LHR - DMK • 2 stops
Cheapest one-way flight
£297
Typical prices: £409-£712
Multiple Airlines
Fri 9/3
LHR - DMK • 2 stops
When to travel
February
Cheapest • 22% price drop
December
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Dubai Intl (DXB)
Cheapest • Avg £872 (return)
Singapore Changi (SIN)
Shortest trip • 19h 42m (one-way)
Insights
Insights
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We hope you enjoy your trip to Bangkok Don Mueang Intl Airport!
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Flight Deals

Cheap Flights from Heathrow to Don Mueang Intl (LHR-DMK)

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

Recent return flight deals from Heathrow to Don Mueang Intl

Sun, 15 Nov - Mon, 23 Nov
Multiple Airlines Logo
17:45 - 00:35LHR  London Heathrow-DMK Bangkok Don Mueang Intl
23h 50m2 stops Beijing Capital Phuket City
Multiple Airlines Logo
18:45 - 19:55DMK  Bangkok Don Mueang Intl-LHR London Heathrow
32h 10m2 stops Phuket City Chengdu Tianfu Intl
£482Multiple Airlines
Sat, 7 Nov - Sat, 21 Nov
Multiple Airlines Logo
20:25 - 00:35LHR  London Heathrow-DMK Bangkok Don Mueang Intl
21h 10m2 stops Beijing Capital Phuket City
Multiple Airlines Logo
15:00 - 15:55DMK  Bangkok Don Mueang Intl-LHR London Heathrow
31h 55m2 stops Phuket City Beijing Capital
£482Multiple Airlines
Wed, 4 Nov - Mon, 16 Nov
Multiple Airlines Logo
17:45 - 00:35LHR  London Heathrow-DMK Bangkok Don Mueang Intl
23h 50m2 stops Beijing Capital Phuket City
Multiple Airlines Logo
18:45 - 15:55DMK  Bangkok Don Mueang Intl-LHR London Heathrow
28h 10m2 stops Phuket City Beijing Capital
£483Multiple Airlines
Sun, 15 Nov - Mon, 30 Nov
Multiple Airlines Logo
17:45 - 00:35LHR  London Heathrow-DMK Bangkok Don Mueang Intl
23h 50m2 stops Beijing Capital Phuket City
Multiple Airlines Logo
14:40 - 15:55DMK  Bangkok Don Mueang Intl-LHR London Heathrow
32h 15m2 stops Phuket City Beijing Capital
£483Multiple Airlines
Sun, 1 Nov - Mon, 16 Nov
Multiple Airlines Logo
20:25 - 00:35LHR  London Heathrow-DMK Bangkok Don Mueang Intl
21h 10m2 stops Beijing Capital Phuket City
Multiple Airlines Logo
17:50 - 17:50DMK  Bangkok Don Mueang Intl-LHR London Heathrow
31h 00m2 stops Phuket City Beijing Capital
£484Multiple Airlines
Wed, 4 Nov - Mon, 16 Nov
Multiple Airlines Logo
17:45 - 00:35LHR  London Heathrow-DMK Bangkok Don Mueang Intl
23h 50m2 stops Beijing Capital Phuket City
Multiple Airlines Logo
18:45 - 15:55DMK  Bangkok Don Mueang Intl-LHR London Heathrow
28h 10m2 stops Phuket City Beijing Capital
£485Multiple Airlines
Sun, 1 Nov - Mon, 16 Nov
Multiple Airlines Logo
20:25 - 00:35LHR  London Heathrow-DMK Bangkok Don Mueang Intl
21h 10m2 stops Beijing Capital Phuket City
Multiple Airlines Logo
15:00 - 15:55DMK  Bangkok Don Mueang Intl-LHR London Heathrow
31h 55m2 stops Phuket City Beijing Capital
£486Multiple Airlines
Sun, 15 Nov - Mon, 23 Nov
Multiple Airlines Logo
17:45 - 00:35LHR  London Heathrow-DMK Bangkok Don Mueang Intl
23h 50m2 stops Beijing Capital Phuket City
Multiple Airlines Logo
18:45 - 19:55DMK  Bangkok Don Mueang Intl-LHR London Heathrow
32h 10m2 stops Phuket City Chengdu Tianfu Intl
£486Multiple Airlines
Wed, 11 Nov - Tue, 26 Jan
Emirates Logo
19:00 - 20:10LHR  London Heathrow-DMK Bangkok Don Mueang Intl
18h 10m1 stop Dubai Intl
Emirates Logo
09:10 - 20:00DMK  Bangkok Don Mueang Intl-LHR London Heathrow
17h 50m1 stop Dubai Intl
£669Emirates
Wed, 11 Nov - Tue, 9 Feb
Emirates Logo
20:20 - 20:10LHR  London Heathrow-DMK Bangkok Don Mueang Intl
16h 50m1 stop Dubai Intl
Emirates Logo
11:10 - 07:10DMK  Bangkok Don Mueang Intl-LHR London Heathrow
27h 00m1 stop Dubai Intl
£669Emirates
Booking Insights

Price, demand, and travel trends for London Heathrow Airport to Bangkok Don Mueang Intl Airport flights

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

What's the cheapest day of the week to fly from London Heathrow Airport to Bangkok Don Mueang Intl Airport?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from London Heathrow Airport to Bangkok Don Mueang Intl Airport. It’s 18% cheaper than the average day, while Friday is the most expensive, with prices 18% higher.

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Key details for London Heathrow Airport to Bangkok Don Mueang Intl Airport flights

Low season

August

Cheapest flight

£297
Beat the crowds with an average 66% drop in traveller numbers.
The most popular month to fly with an average 71% increase in traveller numbers.
One-way flight from London Heathrow Airport to Bangkok Don Mueang Intl Airport

When to book flights from Heathrow to Don Mueang Intl

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

Your London Heathrow Airport to Bangkok Don Mueang Intl Airport flight questions, answered

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

  • Which cabin classes can I book on flights from London Heathrow Airport to Bangkok Don Mueang Intl Airport?

    Only Economy class is available on flights from London Heathrow Airport to Bangkok Don Mueang Intl Airport.

  • How long is a flight from London Heathrow Airport to Bangkok Don Mueang Intl Airport?

    There are currently no direct flights available from London Heathrow Airport to Bangkok Don Mueang Intl Airport. Flights with 1 stopover take between 19h 13m and 30h 44m in total, depending on the connection.

  • Do I need a passport to fly from London Heathrow Airport to Bangkok Don Mueang Intl Airport?

    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 Heathrow Airport to Bangkok Don Mueang Intl Airport flight?

    Return flights from London Heathrow Airport to Bangkok Don Mueang Intl Airport range from £661 to £865, with an average of £754 over the past 12 months. Anything below £661 counts as a good deal.

  • How are flight prices from London Heathrow Airport to Bangkok Don Mueang Intl Airport looking right now?

    One-way fares from London Heathrow Airport to Bangkok Don Mueang Intl Airport are currently lower than usual. Average one-way flight prices are about £380, which is 29% below the typical average for this route.

  • Which car hire options are available at Bangkok Don Mueang Intl Airport (DMK)?

    Bangkok Don Mueang Intl Airport (DMK) hosts 5 major car hire companies, with daily rates starting from around £5 for economy cars. Top options include:

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

  • Which airports can I use when flying from London Heathrow Airport to Bangkok Don Mueang Intl Airport?

    Flights from London Heathrow Airport to Bangkok Don Mueang Intl Airport usually depart from London Heathrow (LHR) and arrive at Bangkok Don Mueang Intl (DMK).

  • Which airports do connecting flights from London Heathrow Airport to Bangkok Don Mueang Intl Airport pass through?

    One-stop flights from London Heathrow Airport to Bangkok Don Mueang Intl Airport most commonly connect through:

    • Dubai Intl (DXB) – 87% of one-stop connections
    • Singapore Changi (SIN) – 10% of one-stop connections
    • New Delhi Indira Gandhi Intl (DEL) – 3% of one-stop connections

  • Can I save money by using flexible dates for flights from London Heathrow Airport to Bangkok Don Mueang Intl Airport?

    Yes. Flexible dates can save you up to 31% on flights from London Heathrow Airport to Bangkok Don Mueang Intl Airport. Wednesday is the cheapest departure day at £619 return on average, while Friday is the most expensive at £890, a difference of £270.

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

  • How much time can I save by choosing a different stopover airport from London Heathrow Airport to Bangkok Don Mueang Intl Airport?

    Flying via Dubai Intl (DXB) gives the shortest average 1-stop total travel time of 19h 13m, compared to 19h 42m via Singapore Changi (SIN) and 30h 44m via New Delhi Indira Gandhi Intl (DEL).

  • What is the time difference between London Heathrow Airport and Bangkok Don Mueang Intl Airport?

    Bangkok Don Mueang Intl Airport is 6 hours ahead of London Heathrow Airport (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 Don Mueang Intl Airport?

    Some of the most popular sights in Bangkok Don Mueang Intl Airport are Pratunam, Lumpini Park, and Siam Square. These are among the most viewed places in Bangkok Don Mueang Intl Airport on KAYAK.

Your guide to booking London Heathrow Airport to Bangkok Don Mueang Intl Airport 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 Wednesday departure and avoid flying on Friday. On this route, Wednesday flights average £619, about £270 less than Friday fares (30% savings) based on the last 12 months.
  • If you can choose when to travel, plan your London Heathrow Airport to Bangkok Don Mueang Intl Airport trip for February. Fares historically average £586 return in that month – typically £398 less than the most expensive month, which is July (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Bangkok Don Mueang Intl Airport.

    • Amari Don Muang Airport Bangkok
    • Don Muang Hotel
    • The Royal Bee Apart Hotel

More options for your flight from Heathrow to Don Mueang Intl

Complete your trip to Don Mueang Intl with a hotel stay or car hire

Car hire in Bangkok
Hotels in Bangkok
Holidays in Bangkok