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.

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

Oman Air, Shenzhen Airlines, and Air Arabia are the most popular carriers operating from United Kingdom to Southeast Asia

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

126 flights are operational weekly from United Kingdom to Southeast Asia as of September 2026. The most popular departure day for this route is Thu, with 15% of flights per week taking off on this day.

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

As of September 2026, there are 18 flights per day flying from United Kingdom to Southeast Asia. The most common time of day flights depart is 22:00, with 58% of flights taking off in the evening.

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 33% of people opting to fly with this airline when travelling to Southeast Asia. Keep in mind that there are 52 different airlines that fly to Southeast Asia on a routine basis, so you have a few additional options to choose from.

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 September 2026, there are 50 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.

£236 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.

22:00 - 02:20LHR London Heathrow-MNL Manila Ninoy Aquino Intl

20h 20m1 stop Guangzhou Baiyun

03:20 - 18:35MNL Manila Ninoy Aquino Intl-LHR London Heathrow

23h 15m1 stop Guangzhou Baiyun

£403China Southern

Thu, 26 Nov - Tue, 15 Dec

22:10 - 16:45LHR London Heathrow-MNL Manila Ninoy Aquino Intl

35h 35m1 stop Guangzhou Baiyun

08:20 - 19:20MNL Manila Ninoy Aquino Intl-LHR London Heathrow

18h 00m1 stop Guangzhou Baiyun

£403China Southern

Mon, 28 Sep - Wed, 21 Oct

20:25 - 00:05LHR London Heathrow-MNL Manila Ninoy Aquino Intl

19h 40m1 stop Beijing Capital

02:55 - 19:20MNL Manila Ninoy Aquino Intl-LHR London Heathrow

24h 25m1 stop Chengdu Tianfu Intl

£405Air China

Thu, 21 Jan - Mon, 25 Jan

17:45 - 00:05LHR London Heathrow-MNL Manila Ninoy Aquino Intl

22h 20m1 stop Beijing Capital

02:55 - 19:20MNL Manila Ninoy Aquino Intl-LHR London Heathrow

24h 25m1 stop Chengdu Tianfu Intl

£405Air China

Wed, 20 Jan - Mon, 1 Mar

22:00 - 10:00LHR London Heathrow-BKK Bangkok Suvarnabhumi

30h 00m2 stops Changsha Huanghua Intl Haikou Meilan Intl

19:10 - 16:20BKK Bangkok Suvarnabhumi-LHR London Heathrow

28h 10m1 stop Haikou Meilan Intl

£407Hainan Airlines

Fri, 2 Oct - Tue, 27 Oct

17:00 - 17:50LGW London Gatwick-BKK Bangkok Suvarnabhumi

17h 50m1 stop Shanghai Pu Dong

19:05 - 14:00BKK Bangkok Suvarnabhumi-LGW London Gatwick

25h 55m1 stop Shanghai Pu Dong

£408China Eastern

Wed, 4 Nov - Fri, 20 Nov

17:00 - 17:50LGW London Gatwick-BKK Bangkok Suvarnabhumi

17h 50m1 stop Shanghai Pu Dong

19:05 - 14:00BKK Bangkok Suvarnabhumi-LGW London Gatwick

25h 55m1 stop Shanghai Pu Dong

£409China Eastern

Sat, 21 Nov - Sun, 6 Dec

10:35 - 09:20LGW London Gatwick-BKK Bangkok Suvarnabhumi

15h 45m1 stop Manama Bahrain Intl

19:15 - 06:30BKK Bangkok Suvarnabhumi-LGW London Gatwick

18h 15m1 stop Manama Bahrain Intl

£409Gulf Air

Wed, 27 Jan - Tue, 9 Feb

21:00 - 10:05LHR London Heathrow-BKK Bangkok Suvarnabhumi

30h 05m2 stops Changsha Huanghua Intl Haikou Meilan Intl

11:10 - 16:20BKK Bangkok Suvarnabhumi-LHR London Heathrow

36h 10m1 stop Haikou Meilan Intl

£410Hainan Airlines

Mon, 30 Nov - Tue, 23 Feb

10:40 - 09:45LGW London Gatwick-BKK Bangkok Suvarnabhumi

17h 05m1 stop Manama Bahrain Intl

19:15 - 06:20BKK Bangkok Suvarnabhumi-LGW London Gatwick

18h 05m1 stop Manama Bahrain Intl

£423Gulf Air

Wed, 23 Sep - Sat, 28 Nov

Recent last minute flight deals from the United Kingdom to Southeast Asia

Enter your travel dates to find the best prices.

22:10 - 02:25LHR London Heathrow-MNL Manila Ninoy Aquino Intl

21h 15m1 stop Guangzhou Baiyun

17:45 - 19:20MNL Manila Ninoy Aquino Intl-LHR London Heathrow

32h 35m1 stop Guangzhou Baiyun

£403China Southern

Sun, 13 Sep - Mon, 28 Sep

22:00 - 01:30LHR London Heathrow-MNL Manila Ninoy Aquino Intl

20h 30m1 stop Chengdu Tianfu Intl

06:25 - 17:40MNL Manila Ninoy Aquino Intl-LHR London Heathrow

18h 15m1 stop Beijing Capital

£405Air China

Tue, 15 Sep - Wed, 30 Sep

22:40 - 00:20LHR London Heathrow-MNL Manila Ninoy Aquino Intl

18h 40m1 stop Beijing Capital

02:55 - 20:15MNL Manila Ninoy Aquino Intl-LHR London Heathrow

24h 20m1 stop Chengdu Tianfu Intl

£405Air China

Sun, 13 Sep - Fri, 25 Sep

22:10 - 02:25LHR London Heathrow-MNL Manila Ninoy Aquino Intl

21h 15m1 stop Guangzhou Baiyun

11:55 - 19:20MNL Manila Ninoy Aquino Intl-LHR London Heathrow

38h 25m1 stop Guangzhou Baiyun

£408China Southern

Sun, 13 Sep - Mon, 28 Sep

22:00 - 15:50LGW London Gatwick-BKK Bangkok Suvarnabhumi

35h 50m1 stop Shanghai Pu Dong

02:45 - 06:40BKK Bangkok Suvarnabhumi-LGW London Gatwick

33h 55m2 stops Wuhan Shanghai Pu Dong

£411China Eastern

Sun, 13 Sep - Wed, 21 Oct

12:35 - 16:40LHR London Heathrow-BKK Bangkok Suvarnabhumi

22h 05m1 stop Xiamen Gaoqi Intl

12:15 - 06:35BKK Bangkok Suvarnabhumi-LHR London Heathrow

24h 20m1 stop Xiamen Gaoqi Intl

£411XiamenAir

Fri, 18 Sep - Tue, 20 Oct

22:00 - 10:00LHR London Heathrow-BKK Bangkok Suvarnabhumi

30h 00m1 stop Haikou Meilan Intl

19:20 - 19:30BKK Bangkok Suvarnabhumi-LHR London Heathrow

30h 10m2 stops Haikou Meilan Intl Changsha Huanghua Intl

£412Hainan Airlines

Wed, 16 Sep - Thu, 8 Oct

12:35 - 16:40LHR London Heathrow-BKK Bangkok Suvarnabhumi

22h 05m1 stop Xiamen Gaoqi Intl

12:15 - 06:35BKK Bangkok Suvarnabhumi-LHR London Heathrow

24h 20m1 stop Xiamen Gaoqi Intl

£412XiamenAir

Fri, 18 Sep - Tue, 20 Oct

18:00 - 18:05LGW London Gatwick-BKK Bangkok Suvarnabhumi

18h 05m1 stop Shanghai Pu Dong

03:15 - 19:10BKK Bangkok Suvarnabhumi-LGW London Gatwick

21h 55m1 stop Shanghai Pu Dong

£417China Eastern

Wed, 16 Sep - Fri, 2 Oct

22:00 - 10:00LHR London Heathrow-BKK Bangkok Suvarnabhumi

30h 00m1 stop Haikou Meilan Intl

11:05 - 19:30BKK Bangkok Suvarnabhumi-LHR London Heathrow

38h 25m2 stops Haikou Meilan Intl Changsha Huanghua Intl

£419Hainan Airlines

Wed, 16 Sep - Thu, 1 Oct

Recent direct flight deals from the United Kingdom to Southeast Asia

Enter your travel dates to find the best prices.

22:15 - 16:05LGW London Gatwick-BKK Bangkok Suvarnabhumi

11h 50mdirect

23:05 - 05:25BKK Bangkok Suvarnabhumi-LGW London Gatwick

13h 20mdirect

£428British Airways

Thu, 24 Sep - Tue, 24 Nov

21:20 - 16:05LGW London Gatwick-BKK Bangkok Suvarnabhumi

11h 45mdirect

23:05 - 05:25BKK Bangkok Suvarnabhumi-LGW London Gatwick

13h 20mdirect

£428British Airways

Thu, 25 Feb - Wed, 3 Mar

06:20 - 01:00LGW London Gatwick-BKK Bangkok Suvarnabhumi

11h 40mdirect

14:50 - 21:05BKK Bangkok Suvarnabhumi-LGW London Gatwick

13h 15mdirect

£434Norse Atlantic UK

Fri, 4 Dec - Thu, 24 Dec

06:20 - 01:00LGW London Gatwick-BKK Bangkok Suvarnabhumi

11h 40mdirect

14:50 - 21:05BKK Bangkok Suvarnabhumi-LGW London Gatwick

13h 15mdirect

£462Norse Atlantic UK

Fri, 4 Dec - Thu, 10 Dec

21:25 - 18:20LHR London Heathrow-KUL Kuala Lumpur Intl

12h 55mdirect

23:30 - 05:35KUL Kuala Lumpur Intl-LHR London Heathrow

14h 05mdirect

£506Malaysia Airlines

Tue, 19 Jan - Tue, 9 Mar

21:25 - 18:20LHR London Heathrow-KUL Kuala Lumpur Intl

12h 55mdirect

23:30 - 05:35KUL Kuala Lumpur Intl-LHR London Heathrow

14h 05mdirect

£560Malaysia Airlines

Mon, 4 Jan - Tue, 2 Mar

21:35 - 15:20LHR London Heathrow-BKK Bangkok Suvarnabhumi

11h 45mdirect

12:40 - 19:05BKK Bangkok Suvarnabhumi-LHR London Heathrow

13h 25mdirect

£581EVA Air

Mon, 19 Oct - Mon, 14 Dec

21:20 - 16:00LHR London Heathrow-BKK Bangkok Suvarnabhumi

11h 40mdirect

12:20 - 19:20BKK Bangkok Suvarnabhumi-LHR London Heathrow

13h 00mdirect

£582EVA Air

Sun, 17 Jan - Thu, 15 Apr

17:40 - 12:20LGW London Gatwick-BKK Bangkok Suvarnabhumi

11h 40mdirect

09:20 - 15:35BKK Bangkok Suvarnabhumi-LGW London Gatwick

13h 15mdirect

£582Hahn Air

Wed, 28 Oct - Wed, 2 Dec

18:00 - 12:50MAN Manchester-BKK Bangkok Suvarnabhumi

11h 50mdirect

08:50 - 15:05BKK Bangkok Suvarnabhumi-MAN Manchester

13h 15mdirect

£604Hahn Air

Mon, 18 Jan - Mon, 1 Feb

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KLM flights from United Kingdom to Southeast Asia

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

KLM

22 Sept

LCY08:25London City

19h 05m

1 stop

BKK09:30Bangkok Suvarnabhumi

6 Oct

BKK12:05Bangkok Suvarnabhumi

27h 25m

1 stop

LCY09:30London City

£581

KLM

22 Sept

LCY10:00London City

17h 30m

1 stop

BKK09:30Bangkok Suvarnabhumi

30 Sept

BKK12:05Bangkok Suvarnabhumi

25h 50m

1 stop

LCY07:55London City

£593

KLM

22 Sept

LCY10:00London City

17h 30m

1 stop

BKK09:30Bangkok Suvarnabhumi

4 Nov

BKK12:05Bangkok Suvarnabhumi

14h 30m

1 stop

LCY19:35London City

£595

China Eastern flights from United Kingdom to Southeast Asia

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

China Eastern

4 Nov

LGW17:00London Gatwick

25h 55m

1 stop

BKK01:55Bangkok Suvarnabhumi

17 Nov

BKK03:10Bangkok Suvarnabhumi

34h 20m

2 stops

LGW06:30London Gatwick

£411

China Eastern

22 Sept

LGW22:00London Gatwick

24h 05m

1 stop

BKK04:05Bangkok Suvarnabhumi

20 Oct

BKK19:10Bangkok Suvarnabhumi

25h 50m

1 stop

LGW15:00London Gatwick

£413

China Eastern

24 Nov

LGW10:30London Gatwick

22h 25m

1 stop

BKK15:55Bangkok Suvarnabhumi

13 Dec

BKK15:55Bangkok Suvarnabhumi

45h 35m

2 stops

LGW06:30London Gatwick

£414

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

LondonManila

LHR London Heathrow - MNL Manila Ninoy Aquino Intl

LHRMNL

London Heathrow

Thu 26/11

22:00-02:20

1 stop20h 20m

Manila Ninoy Aquino Intl

Tue 15/12

03:20-18:35

1 stop23h 15m

£403

LondonManila

LHR London Heathrow - MNL Manila Ninoy Aquino Intl

LHRMNL

London Heathrow

Mon 28/9

22:10-16:45

1 stop35h 35m

Manila Ninoy Aquino Intl

Wed 21/10

08:20-19:20

1 stop18h 00m

£403

LondonManila

LHR London Heathrow - MNL Manila Ninoy Aquino Intl

LHRMNL

London Heathrow

Thu 21/1

20:25-00:05

1 stop19h 40m

Manila Ninoy Aquino Intl

Mon 25/1

02:55-19:20

1 stop24h 25m

£405

LondonManila

LHR London Heathrow - MNL Manila Ninoy Aquino Intl

LHRMNL

London Heathrow

Wed 20/1

17:45-00:05

1 stop22h 20m

Manila Ninoy Aquino Intl

Mon 1/3

02:55-19:20

1 stop24h 25m

£405

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Fri 2/10

22:00-10:00

2 stops30h 00m

Bangkok Suvarnabhumi

Tue 27/10

19:10-16:20

1 stop28h 10m

£407

LondonBangkok

LGW London Gatwick - BKK Bangkok Suvarnabhumi

LGWBKK

London Gatwick

Wed 4/11

17:00-17:50

1 stop17h 50m

Bangkok Suvarnabhumi

Fri 20/11

19:05-14:00

1 stop25h 55m

£408

LondonBangkok

LGW London Gatwick - BKK Bangkok Suvarnabhumi

LGWBKK

London Gatwick

Sat 21/11

17:00-17:50

1 stop17h 50m

Bangkok Suvarnabhumi

Sun 6/12

19:05-14:00

1 stop25h 55m

£409

Fastest return journey

LondonBangkok

LGW London Gatwick - BKK Bangkok Suvarnabhumi

LGWBKK

London Gatwick

Wed 27/1

10:35-09:20

1 stop15h 45m

Bangkok Suvarnabhumi

Tue 9/2

19:15-06:30

1 stop18h 15m

£409

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Mon 30/11

21:00-10:05

2 stops30h 05m

Bangkok Suvarnabhumi

Tue 23/2

11:10-16:20

1 stop36h 10m

£410

LondonBangkok

LGW London Gatwick - BKK Bangkok Suvarnabhumi

LGWBKK

London Gatwick

Wed 23/9

10:40-09:45

1 stop17h 05m

Bangkok Suvarnabhumi

Sat 28/11

19:15-06:20

1 stop18h 05m

£423

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 £635. 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 £822. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Southeast Asia on Friday is £866.

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

In the afternoon is the cheapest time of day to fly from United Kingdom to Southeast Asia when you can find flight prices for as low as £791. Flying to Southeast Asia in the afternoon 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 £957. 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 £704 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 £661 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

Best price found	£236
Fastest flight time	11h 20m
Direct flights	Every day
Airports in Southeast Asia	294 airports

The best one-way flight to Southeast Asia from United Kingdom in the past 72 hours is £236. The best return flight deal from United Kingdom to Southeast Asia found on momondo in the last 72 hours is £403.

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 September 2026, there are 50 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 (20.58% of total bookings). The next most popular plane models are Boeing 777 (13.26%), Airbus A350-1000 (11.51%), and Boeing 787-8 Dreamliner (7.94%).

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
HK Express	PriceFrom £103	Free Cancellation	Rating 7.2 47 reviews	Search HK Express flights
Turkmenistan Airlines	PriceFrom £267	Free Cancellation	Rating 0.0 0 reviews	Search Turkmenistan Airlines flights
Hahn Air	PriceFrom £272	Free Cancellation	Rating 0.0	Search Hahn Air flights
XiamenAir	PriceFrom £295	Free Cancellation	Rating 6.7 48 reviews	Search XiamenAir flights
Royal Jordanian	PriceFrom £306	Free Cancellation	Rating 6.8 474 reviews	Search Royal Jordanian flights
Scandinavian Airlines	PriceFrom £338	Free Cancellation	Rating 7.4 1,986 reviews	Search Scandinavian Airlines flights
Riyadh Air	PriceFrom £396	Free Cancellation	Rating 0.0 0 reviews	Search Riyadh Air flights
Condor	PriceFrom £420	Free Cancellation	Rating 6.6 585 reviews	Search Condor flights
Royal Brunei Airlines	PriceFrom £454	Free Cancellation	Rating 0.0 0 reviews	Search Royal Brunei Airlines flights
A.P.G.	PriceFrom £454	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.