How long is the flight from United Kingdom to Southeast Asia?

The average flight duration from United Kingdom to Southeast Asia depends on which airport you fly into and out of. Flying from Edinburgh to Copenhagen is 1h 45m on average, while flying from Birmingham to Copenhagen is 1h 45m on average. Copenhagen is the most popular airport in Southeast Asia.

How many flights depart from United Kingdom to Southeast Asia on average per week?

135 flights are operational weekly from United Kingdom to Southeast Asia as of July 2026. The most popular departure day for this route is Tue, with 16% of flights per week taking off on this day.

Which airlines fly to Southeast Asia?

Etihad Airways, Qatar Airways and Emirates are the top three most popular airlines that fly to Southeast Asia from United Kingdom according to our data. Etihad Airways is the first choice among our users, with 35% of people opting to fly with this airline when travelling to Southeast Asia. Keep in mind that there are 50 different airlines that fly to Southeast Asia on a routine basis, so you have a few additional options to choose from.

How many flights depart from United Kingdom to Southeast Asia on average per day?

As of July 2026, there are 19 flights per day flying from United Kingdom to Southeast Asia. The most common time of day flights depart is 22:00, with 59% of flights taking off in the evening.

What is the cheapest airline that flies from United Kingdom to Southeast Asia?

China Eastern, Etihad Airways, and Juneyao Airlines are the most popular carriers operating from United Kingdom to Southeast Asia

When did momondo last update prices for flights from United Kingdom to Southeast Asia?

Prices for flights from United Kingdom to Southeast Asia were last updated today.

How many operators does momondo search for flights from United Kingdom to Southeast Asia?

As of July 2026, there are 48 operators available to choose from for flights from United Kingdom to Southeast Asia.

How old do you have to be to fly from United Kingdom to Southeast Asia?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United Kingdom to Southeast Asia.

What documentation or ID do you need to fly to Southeast Asia?

The travel and health documents you'll need for your trip to Southeast Asia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Southeast Asia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£225 Cheap Flights from the United Kingdom to Southeast Asia in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from the United Kingdom to Southeast Asia

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One-way

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Direct

Recent return flight deals from the United Kingdom to Southeast Asia

Enter your travel dates to find the best prices.

15:35 - 12:35

LGW

BKK

15h 00m

1 stop

22:35 - 09:00

BKK

LGW

16h 25m

1 stop

£473Condor

Wed, 16 Sep - Fri, 16 Oct

15:35 - 12:35

LGW

BKK

15h 00m

1 stop

23:00 - 09:05

BKK

LGW

17h 05m

1 stop

£473Condor

Tue, 20 Oct - Thu, 29 Oct

17:00 - 14:55

LGW

BKK

38h 55m

2 stops

16:50 - 06:30

BKK

LGW

20h 40m

1 stop

£473China Eastern

Wed, 30 Dec - Wed, 20 Jan

11:35 - 22:15

LGW

BKK

28h 40m

3 stops

16:50 - 06:30

BKK

LGW

20h 40m

1 stop

£473China Eastern

Sat, 26 Sep - Wed, 25 Nov

19:45 - 10:05

LHR

BKK

31h 20m

1 stop

11:10 - 16:20

BKK

LHR

36h 10m

1 stop

£473Hainan Airlines

Wed, 13 Jan - Tue, 26 Jan

08:20 - 11:45

STN

BKK

21h 25m

3 stops

14:55 - 07:45

BKK

STN

23h 50m

1 stop

£473Multiple Airlines

Sun, 18 Oct - Sun, 1 Nov

12:35 - 13:35

LGW

BKK

19h 00m

1 stop

14:50 - 06:45

BKK

LGW

21h 55m

1 stop

£474Air China

Wed, 23 Sep - Sun, 11 Oct

11:35 - 22:35

LGW

BKK

28h 00m

1 stop

00:20 - 06:20

BKK

LGW

37h 00m

1 stop

£474Air China

Mon, 28 Dec - Sat, 27 Feb

22:00 - 10:00

LHR

BKK

30h 00m

2 stops

19:20 - 19:30

BKK

LHR

30h 10m

2 stops

£474Hainan Airlines

Mon, 7 Sep - Thu, 10 Sep

15:15 - 00:10

LTN

BKK

26h 55m

2 stops

03:15 - 08:20

BKK

LTN

35h 05m

2 stops

£474Multiple Airlines

Fri, 11 Sep - Fri, 18 Sep

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China Eastern flights from United Kingdom to Southeast Asia

Our best China Eastern deals on United Kingdom to Southeast Asia flight tickets

China Eastern

30 Dec

LGW17:00London Gatwick

38h 55m

2 stops

BKK14:55Bangkok Suvarnabhumi

20 Jan

BKK16:50Bangkok Suvarnabhumi

20h 40m

1 stop

LGW06:30London Gatwick

£473

China Eastern

28 Aug

LGW11:35London Gatwick

28h 40m

3 stops

BKK22:15Bangkok Suvarnabhumi

6 Sept

BKK19:10Bangkok Suvarnabhumi

30h 00m

1 stop

LGW19:10London Gatwick

£475

China Eastern

1 Oct

LGW21:55London Gatwick

24h 10m

1 stop

BKK04:05Bangkok Suvarnabhumi

29 Oct

BKK01:55Bangkok Suvarnabhumi

19h 05m

1 stop

LGW14:00London Gatwick

£476

IndiGo flights from United Kingdom to Southeast Asia

Our best IndiGo deals on United Kingdom to Southeast Asia flight tickets

IndiGo

11 Aug

LHR20:55London Heathrow

33h 55m

1 stop

BKK12:50Bangkok Suvarnabhumi

22 Sept

BKK11:55Bangkok Suvarnabhumi

36h 15m

1 stop

LHR18:10London Heathrow

£545

IndiGo

1 Aug

MAN12:55Manchester

17h 55m

1 stop

BKK12:50Bangkok Suvarnabhumi

3 Aug

BKK13:50Bangkok Suvarnabhumi

27h 05m

1 stop

MAN10:55Manchester

£602

IndiGo

30 Jul

MAN12:55Manchester

17h 55m

1 stop

BKK12:50Bangkok Suvarnabhumi

2 Aug

BKK22:45Bangkok Suvarnabhumi

18h 10m

1 stop

MAN10:55Manchester

£648

momondo Fare Finder

Use the filters below to find and compare flights from the United Kingdom to Southeast Asia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Wed 16/9

15:35-12:35

1 stop15h 00m

Bangkok Suvarnabhumi

Fri 16/10

22:35-09:00

1 stop16h 25m

£473

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Tue 20/10

15:35-12:35

1 stop15h 00m

Bangkok Suvarnabhumi

Thu 29/10

23:00-09:05

1 stop17h 05m

£473

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Wed 30/12

17:00-14:55

2 stops38h 55m

Bangkok Suvarnabhumi

Wed 20/1

16:50-06:30

1 stop20h 40m

£473

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sat 26/9

11:35-22:15

3 stops28h 40m

Bangkok Suvarnabhumi

Wed 25/11

16:50-06:30

1 stop20h 40m

£473

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 13/1

19:45-10:05

1 stop31h 20m

Bangkok Suvarnabhumi

Tue 26/1

11:10-16:20

1 stop36h 10m

£473

LondonBangkok

STN - BKK

STNBKK

London Stansted

Sun 18/10

08:20-11:45

3 stops21h 25m

Bangkok Suvarnabhumi

Sun 1/11

14:55-07:45

1 stop23h 50m

£473

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Wed 23/9

12:35-13:35

1 stop19h 00m

Bangkok Suvarnabhumi

Sun 11/10

14:50-06:45

1 stop21h 55m

£474

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Mon 28/12

11:35-22:35

1 stop28h 00m

Bangkok Suvarnabhumi

Sat 27/2

00:20-06:20

1 stop37h 00m

£474

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 7/9

22:00-10:00

2 stops30h 00m

Bangkok Suvarnabhumi

Thu 10/9

19:20-19:30

2 stops30h 10m

£474

LondonBangkok

LTN - BKK

LTNBKK

London Luton

Fri 11/9

15:15-00:10

2 stops26h 55m

Bangkok Suvarnabhumi

Fri 18/9

03:15-08:20

2 stops35h 05m

£474

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 United Kingdom to Southeast Asia

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

Prices

Airlines

Other information

What is the cheapest month to fly to Southeast Asia?

The month of November is, on average, the cheapest month to fly to Southeast Asia from United Kingdom, with most prices found around £646. If you are unable to visit Southeast Asia during the month of November, then departing from United Kingdom during the month September is also very affordable. Most momondo users find prices during this month for around £660.

What is the cheapest day to depart on your flight to Southeast Asia?

Our data shows that Monday is the least expensive day to fly to Southeast Asia. Tickets to fly out on this day can be as low as £810. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Southeast Asia on Saturday is £862.

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

In the evening is the cheapest time of day to fly from United Kingdom to Southeast Asia when you can find flight prices for as low as £802. Flying to Southeast Asia in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around £933. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest United Kingdom to Southeast Asia flight route?

Fly from London Gatwick to Phuket City for the best United Kingdom - Southeast Asia flight prices

How far in advance should I book a flight to Southeast Asia?

You are more likely to see cheaper flights to Southeast Asia from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Southeast Asia for around £707 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Southeast Asia from United Kingdom for as low as £669 on momondo.

What cabin class options are available on United Kingdom to Southeast Asia flights?

There are 4 cabin classes available to choose from on United Kingdom to Southeast Asia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United Kingdom to Southeast Asia flights?

No. A direct flight is the cheapest option for a flight between United Kingdom to Southeast Asia.

Cheap United Kingdom to Southeast Asia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United Kingdom to Southeast Asia

Fastest flight time	11h 20m
Direct flights	Every day
Airports in Southeast Asia	294 airports

The fastest flight from United Kingdom to Southeast Asia takes 11h 20m

Direct flights go from United Kingdom to Southeast Asia every day.

There are 294 airports in Southeast Asia. From United Kingdom there are direct flights to Bangkok Suvarnabhumi (BKK).

Search flight deals

Frequently asked questions about flying from the United Kingdom to Southeast Asia

When did momondo last update prices for flights from United Kingdom to Southeast Asia?
Prices for flights from United Kingdom to Southeast Asia were last updated today.
How many operators does momondo search for flights from United Kingdom to Southeast Asia?
As of July 2026, there are 48 operators available to choose from for flights from United Kingdom to Southeast Asia.
How old do you have to be to fly from United Kingdom to Southeast Asia?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United Kingdom to Southeast Asia.
What documentation or ID do you need to fly to Southeast Asia?
The travel and health documents you'll need for your trip to Southeast Asia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Southeast Asia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from United Kingdom to Southeast Asia?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from United Kingdom to Southeast Asia is Boeing 787-9 Dreamliner (18.67% of total bookings). The next most popular plane models are Airbus A350-1000 (13.14%), Boeing 777 (11.45%), and Airbus A321neo (8.12%).

Best airlines flying from United Kingdom to Southeast Asia

Compare and see reviews for airlines that fly from United Kingdom to Southeast Asia with momondo

Airline	Rating	Free Cancellation	Price
Juneyao Airlines	PriceFrom £256	Free Cancellation	Rating 0.0 0 reviews	Search Juneyao Airlines flights
Turkmenistan Airlines	PriceFrom £275	Free Cancellation	Rating 0.0 0 reviews	Search Turkmenistan Airlines flights
Hahn Air	PriceFrom £276	Free Cancellation	Rating 0.0	Search Hahn Air flights
Scandinavian Airlines	PriceFrom £286	Free Cancellation	Rating 7.4 1,906 reviews	Search Scandinavian Airlines flights
XiamenAir	PriceFrom £300	Free Cancellation	Rating 6.7 47 reviews	Search XiamenAir flights
Royal Jordanian	PriceFrom £394	Free Cancellation	Rating 6.8 476 reviews	Search Royal Jordanian flights
Air Arabia	PriceFrom £396	Free Cancellation	Rating 7.6 57 reviews	Search Air Arabia flights
Condor	PriceFrom £427	Free Cancellation	Rating 6.5 539 reviews	Search Condor flights
Royal Brunei Airlines	PriceFrom £446	Free Cancellation	Rating 0.0 0 reviews	Search Royal Brunei Airlines flights
A.P.G.	PriceFrom £471	Free Cancellation	Rating 0.0	Search A.P.G. flights

Why use momondo?

Why should I use momondo to find a flight deal from United Kingdom to Southeast Asia?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from United Kingdom to Southeast Asia. momondo saves you time and could save you money on your trip.

Can I find flights from United Kingdom to Southeast Asia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for United Kingdom to Southeast Asia flights to just show those with flexible booking policies.

How can momondo help me find flights from United Kingdom to Southeast Asia?

momondo provides multiple filters to help you find the best flight to Southeast Asia from United Kingdom. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from United Kingdom to Southeast Asia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from United Kingdom to Southeast Asia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Southeast Asia and let you know when they change.