How old do you have to be to fly from Bangkok Don Mueang Intl Airport to London?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Bangkok Don Mueang Intl Airport to London.

What documentation or ID do you need to fly to London?

The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£170 Cheap Flights from Bangkok Don Mueang Intl Airport to London in 2025/26

1 adult

0 bags

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Bangkok Don Mueang Intl Airport to London

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

20:55 - 11:05

DMK

LHR

21h 10m1 stop

06:40 - 09:40

LHR

DMK

21h 00m2 stops

£556Multiple Airlines

Thu, 26 Mar - Thu, 9 Apr

20:55 - 11:05

DMK

LHR

21h 10m1 stop

06:40 - 09:40

LHR

DMK

21h 00m2 stops

£557Multiple Airlines

Thu, 26 Mar - Thu, 9 Apr

20:20 - 18:10

DMK

LHR

28h 50m2 stops

21:10 - 01:50

LHR

DMK

21h 40m1 stop

£577Multiple Airlines

Sat, 24 Jan - Wed, 28 Jan

20:20 - 18:10

DMK

LHR

28h 50m2 stops

21:10 - 01:50

LHR

DMK

21h 40m1 stop

£584Multiple Airlines

Sat, 24 Jan - Wed, 28 Jan

23:45 - 19:30

DMK

LHR

26h 45m2 stops

21:10 - 01:50

LHR

DMK

21h 40m1 stop

£593Multiple Airlines

Mon, 23 Feb - Fri, 27 Feb

20:10 - 19:30

DMK

LHR

30h 20m1 stop

21:10 - 01:50

LHR

DMK

21h 40m1 stop

£601Multiple Airlines

Mon, 23 Feb - Fri, 27 Feb

20:50 - 10:15

DMK

LHR

19h 25m1 stop

22:10 - 06:30

LHR

DMK

26h 20m2 stops

£609Multiple Airlines

Mon, 1 Jun - Wed, 17 Jun

11:20 - 12:05

DMK

LHR

31h 45m2 stops

21:10 - 01:50

LHR

DMK

21h 40m1 stop

£616Multiple Airlines

Sat, 24 Jan - Sat, 31 Jan

17:10 - 12:05

DMK

LHR

25h 55m2 stops

21:10 - 01:50

LHR

DMK

21h 40m1 stop

£628Multiple Airlines

Fri, 23 Jan - Fri, 30 Jan

06:15 - 18:45

DMK

LHR

18h 30m2 stops

22:05 - 01:15

LHR

DMK

21h 10m1 stop

£632Multiple Airlines

Sat, 25 Apr - Mon, 27 Apr

momondo Fare Finder

Use the filters below to find and compare flights from Bangkok Don Mueang Intl Airport to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Thu 26/3

20:55-11:05

1 stop21h 10m

London Heathrow

Thu 9/4

06:40-09:40

2 stops21h 00m

£556

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Thu 26/3

20:55-11:05

1 stop21h 10m

London Heathrow

Thu 9/4

06:40-09:40

2 stops21h 00m

£557

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Sat 24/1

20:20-18:10

2 stops28h 50m

London Heathrow

Wed 28/1

21:10-01:50

1 stop21h 40m

£577

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Sat 24/1

20:20-18:10

2 stops28h 50m

London Heathrow

Wed 28/1

21:10-01:50

1 stop21h 40m

£584

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Mon 23/2

23:45-19:30

2 stops26h 45m

London Heathrow

Fri 27/2

21:10-01:50

1 stop21h 40m

£593

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Mon 23/2

20:10-19:30

1 stop30h 20m

London Heathrow

Fri 27/2

21:10-01:50

1 stop21h 40m

£601

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Mon 1/6

20:50-10:15

1 stop19h 25m

London Heathrow

Wed 17/6

22:10-06:30

2 stops26h 20m

£609

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Sat 24/1

11:20-12:05

2 stops31h 45m

London Heathrow

Sat 31/1

21:10-01:50

1 stop21h 40m

£616

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Fri 23/1

17:10-12:05

2 stops25h 55m

London Heathrow

Fri 30/1

21:10-01:50

1 stop21h 40m

£628

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Sat 25/4

06:15-18:45

2 stops18h 30m

London Heathrow

Mon 27/4

22:05-01:15

1 stop21h 10m

£632

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Bangkok Don Mueang Intl Airport to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to London?

Our data shows that Saturday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £722. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Bangkok Don Mueang Intl Airport to London for around £754.

What is the cheapest time of day to depart on your flight to London?

The cheapest time of day to fly to London is in the afternoon when flights can be purchased for as low as £180. Flights at midday are often more expensive, with an average ticket price of £812.

When to book flights from Bangkok Don Mueang Intl Airport to London

Are you open to changing your travel dates? Check out the ideal times to fly from Bangkok Don Mueang Intl Airport to London according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Bangkok Don Mueang Intl Airport to London (DMK to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bangkok Don Mueang Intl Airport to London

Fastest flight time	18h 10m
Direct flights	None

The fastest flight from Bangkok Don Mueang Intl Airport to London takes 18h 10m

There are no direct flights from Bangkok Don Mueang Intl Airport to London. There are no popular flight routes from Bangkok Don Mueang Intl Airport to London.

Search flight deals

How far is Bangkok Don Mueang Intl to London by plane?
London is 5914.4 mi away from Bangkok Don Mueang Intl. Flights usually cover this in 18h 10m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Bangkok Don Mueang Intl Airport to London?
Prices for flights from Bangkok Don Mueang Intl Airport to London refresh daily.
How old do you have to be to fly from Bangkok Don Mueang Intl Airport to London?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Bangkok Don Mueang Intl Airport to London.
What documentation or ID do you need to fly to London?
The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Eastbourne

Milton Keynes

Luton

Gatwick

Maidstone

Slough

Southend-on-Sea

Canterbury

Ipswich

Ilford

Guildford

Hayes

Chelmsford

Dover

Worthing

Bedford

Colchester

Hounslow

Ramsgate

Romford

Why use momondo?

Why should I use momondo to find a flight deal from Bangkok to London?

It is quick and easy to find Bangkok to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

Can I find flights from Bangkok to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to London from Bangkok with this policy.

How can momondo help me find flights from Bangkok to London?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Bangkok to London.

I’m not ready to book a flight from Bangkok to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Bangkok to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.