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

Shenzhen Airlines, Oman Air, and Turkish Airlines are the most popular carriers operating from London to Southeast Asia

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

As of August 2026, 132 flights take off from London and land in Southeast Asia each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

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

The number of flights available between London and Southeast Asia is 18 per day as of August 2026. The most frequent departure time is 22:00, with 59% of daily flights leaving in the evening.

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

Prices for flights from London to Southeast Asia are refreshed on a daily basis.

How old do you have to be to fly from London 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 stopovers. It is recommended that you verify with the airline you are booking with for travel from London 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 licence 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.

$496 Cheap Flights from London to Southeast Asia in 2026

Find the cheapest flights from London to Southeast Asia

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

21:10 - 01:20LHR London Heathrow-BKK Bangkok Suvarnabhumi

21h 10m1 stop Shenzhen

02:20 - 19:10BKK Bangkok Suvarnabhumi-LHR London Heathrow

23h 50m1 stop Shenzhen

$886Shenzhen Airlines

Wed, 28 Oct - Sun, 15 Nov

22:00 - 02:15LHR London Heathrow-BKK Bangkok Suvarnabhumi

22h 15m1 stop Shenzhen

03:15 - 20:00BKK Bangkok Suvarnabhumi-LHR London Heathrow

22h 45m1 stop Shenzhen

$887Shenzhen Airlines

Tue, 29 Sep - Sat, 10 Oct

22:00 - 02:15LHR London Heathrow-BKK Bangkok Suvarnabhumi

22h 15m1 stop Shenzhen

03:15 - 19:50BKK Bangkok Suvarnabhumi-LHR London Heathrow

22h 35m1 stop Shenzhen

$889Shenzhen Airlines

Tue, 29 Sep - Mon, 5 Oct

21:10 - 01:20LHR London Heathrow-BKK Bangkok Suvarnabhumi

21h 10m1 stop Shenzhen

17:55 - 19:10BKK Bangkok Suvarnabhumi-LHR London Heathrow

32h 15m1 stop Shenzhen

$890Shenzhen Airlines

Mon, 30 Nov - Tue, 8 Dec

22:05 - 02:15LHR London Heathrow-BKK Bangkok Suvarnabhumi

22h 10m1 stop Shenzhen

19:15 - 19:50BKK Bangkok Suvarnabhumi-LHR London Heathrow

30h 35m1 stop Shenzhen

$932Shenzhen Airlines

Mon, 14 Sep - Mon, 21 Sep

21:10 - 01:20LHR London Heathrow-BKK Bangkok Suvarnabhumi

21h 10m1 stop Shenzhen

17:55 - 19:10BKK Bangkok Suvarnabhumi-LHR London Heathrow

32h 15m1 stop Shenzhen

$934Shenzhen Airlines

Wed, 28 Oct - Thu, 26 Nov

22:00 - 02:15LHR London Heathrow-BKK Bangkok Suvarnabhumi

22h 15m1 stop Shenzhen

02:20 - 19:10BKK Bangkok Suvarnabhumi-LHR London Heathrow

23h 50m1 stop Shenzhen

$935Shenzhen Airlines

Tue, 13 Oct - Sun, 8 Nov

22:05 - 02:15LHR London Heathrow-BKK Bangkok Suvarnabhumi

22h 10m1 stop Shenzhen

03:15 - 19:50BKK Bangkok Suvarnabhumi-LHR London Heathrow

22h 35m1 stop Shenzhen

$937Shenzhen Airlines

Sun, 13 Sep - Mon, 28 Sep

21:10 - 16:55LHR London Heathrow-BKK Bangkok Suvarnabhumi

36h 45m1 stop Shenzhen

02:20 - 19:10BKK Bangkok Suvarnabhumi-LHR London Heathrow

23h 50m1 stop Shenzhen

$938Shenzhen Airlines

Fri, 4 Dec - Fri, 25 Dec

21:20 - 01:10LHR London Heathrow-BKK Bangkok Suvarnabhumi

21h 50m2 stops Shanghai Pu Dong Nanjing Lukou Intl

03:15 - 18:40BKK Bangkok Suvarnabhumi-LHR London Heathrow

21h 25m1 stop Shanghai Pu Dong

$955China Eastern

Tue, 1 Sep - Tue, 8 Sep

Cheap last-minute flights

Enter your travel dates to find the best prices.

08:25 - 17:45LHR London Heathrow-BKK Bangkok Suvarnabhumi

27h 20m1 stop Muscat Seeb

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

30h 00m1 stop Muscat Seeb

$989Oman Air

Sat, 22 Aug - Wed, 9 Sep

20:50 - 17:45LHR London Heathrow-BKK Bangkok Suvarnabhumi

14h 55m1 stop Muscat Seeb

09:00 - 19:10BKK Bangkok Suvarnabhumi-LHR London Heathrow

16h 10m1 stop Muscat Seeb

$990Oman Air

Sun, 23 Aug - Thu, 17 Sep

08:25 - 06:55LHR London Heathrow-BKK Bangkok Suvarnabhumi

16h 30m1 stop Muscat Seeb

09:00 - 19:10BKK Bangkok Suvarnabhumi-LHR London Heathrow

16h 10m1 stop Muscat Seeb

$992Oman Air

Sun, 23 Aug - Sun, 13 Sep

08:25 - 17:45LHR London Heathrow-BKK Bangkok Suvarnabhumi

27h 20m1 stop Muscat Seeb

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

30h 00m1 stop Muscat Seeb

$993Oman Air

Fri, 21 Aug - Wed, 30 Sep

20:50 - 08:05LHR London Heathrow-BKK Bangkok Suvarnabhumi

29h 15m1 stop Muscat Seeb

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

30h 00m1 stop Muscat Seeb

$997Oman Air

Wed, 19 Aug - Mon, 7 Sep

20:50 - 08:05LHR London Heathrow-BKK Bangkok Suvarnabhumi

29h 15m1 stop Muscat Seeb

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

30h 00m1 stop Muscat Seeb

$999Oman Air

Wed, 19 Aug - Sun, 6 Sep

08:25 - 17:45LHR London Heathrow-BKK Bangkok Suvarnabhumi

27h 20m1 stop Muscat Seeb

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

30h 00m1 stop Muscat Seeb

$1,000Oman Air

Sun, 23 Aug - Sun, 6 Sep

20:50 - 08:05LHR London Heathrow-BKK Bangkok Suvarnabhumi

29h 15m1 stop Muscat Seeb

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

30h 00m1 stop Muscat Seeb

$1,001Oman Air

Wed, 19 Aug - Mon, 7 Sep

14:00 - 16:55LHR London Heathrow-BKK Bangkok Suvarnabhumi

20h 55m1 stop New Delhi Indira Gandhi Intl

22:25 - 20:00BKK Bangkok Suvarnabhumi-LHR London Heathrow

27h 35m1 stop New Delhi Indira Gandhi Intl

$1,103Air India

Thu, 20 Aug - Mon, 12 Oct

21:45 - 00:55LHR London Heathrow-BKK Bangkok Suvarnabhumi

21h 10m1 stop Abu Dhabi Zayed Intl

15:55 - 12:45BKK Bangkok Suvarnabhumi-LHR London Heathrow

26h 50m1 stop Abu Dhabi Zayed Intl

$1,142Etihad Airways

Thu, 20 Aug - Thu, 3 Sep

Cheap direct flights

Enter your travel dates to find the best prices.

21:35 - 15:30LHR London Heathrow-BKK Bangkok Suvarnabhumi

11h 55mdirect

12:45 - 19:20BKK Bangkok Suvarnabhumi-LHR London Heathrow

12h 35mdirect

$1,413EVA Air

Sun, 6 Sep - Wed, 9 Sep

21:35 - 15:30LHR London Heathrow-BKK Bangkok Suvarnabhumi

11h 55mdirect

12:45 - 19:20BKK Bangkok Suvarnabhumi-LHR London Heathrow

12h 35mdirect

$1,415EVA Air

Tue, 1 Sep - Wed, 9 Sep

21:35 - 15:30LHR London Heathrow-BKK Bangkok Suvarnabhumi

11h 55mdirect

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

13h 00mdirect

$1,435EVA Air

Mon, 28 Sep - Mon, 5 Oct

21:35 - 15:30LHR London Heathrow-BKK Bangkok Suvarnabhumi

11h 55mdirect

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

13h 00mdirect

$1,439EVA Air

Wed, 30 Sep - Wed, 7 Oct

21:35 - 15:30LHR London Heathrow-BKK Bangkok Suvarnabhumi

11h 55mdirect

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

13h 00mdirect

$1,443EVA Air

Mon, 21 Sep - Mon, 12 Oct

21:35 - 15:30LHR London Heathrow-BKK Bangkok Suvarnabhumi

11h 55mdirect

12:45 - 19:20BKK Bangkok Suvarnabhumi-LHR London Heathrow

12h 35mdirect

$1,506EVA Air

Mon, 14 Sep - Mon, 21 Sep

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

11h 40mdirect

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

13h 25mdirect

$1,509EVA Air

Sat, 9 Jan - Wed, 20 Jan

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

11h 40mdirect

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

13h 25mdirect

$1,519EVA Air

Mon, 2 Nov - Tue, 1 Dec

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

11h 40mdirect

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

13h 25mdirect

$1,520EVA Air

Thu, 7 Jan - Wed, 20 Jan

21:35 - 15:30LHR London Heathrow-BKK Bangkok Suvarnabhumi

11h 55mdirect

12:45 - 19:20BKK Bangkok Suvarnabhumi-LHR London Heathrow

12h 35mdirect

$1,527EVA Air

Thu, 10 Sep - Sun, 20 Sep

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Shenzhen Airlines flights from London to Southeast Asia

Our best Shenzhen Airlines deals on London to Southeast Asia flight tickets

Shenzhen Airlines

28 Oct

LHR21:10London Heathrow

21h 10m

1 stop

BKK01:20Bangkok Suvarnabhumi

17 Nov

BKK17:55Bangkok Suvarnabhumi

32h 15m

1 stop

LHR19:10London Heathrow

$886

Shenzhen Airlines

29 Sept

LHR22:00London Heathrow

22h 15m

1 stop

BKK02:15Bangkok Suvarnabhumi

10 Oct

BKK03:15Bangkok Suvarnabhumi

22h 45m

1 stop

LHR20:00London Heathrow

$887

Shenzhen Airlines

29 Sept

LHR22:00London Heathrow

22h 15m

1 stop

BKK02:15Bangkok Suvarnabhumi

12 Oct

BKK03:15Bangkok Suvarnabhumi

22h 35m

1 stop

LHR19:50London Heathrow

$889

Oman Air flights from London to Southeast Asia

Our best Oman Air deals on London to Southeast Asia flight tickets

Oman Air

12 Sept

LHR08:25London Heathrow

16h 30m

1 stop

BKK06:55Bangkok Suvarnabhumi

20 Sept

BKK19:10Bangkok Suvarnabhumi

30h 00m

1 stop

LHR19:10London Heathrow

$987

Oman Air

16 Oct

LHR08:25London Heathrow

16h 25m

1 stop

BKK06:50Bangkok Suvarnabhumi

16 Nov

BKK09:00Bangkok Suvarnabhumi

27h 55m

1 stop

LHR05:55London Heathrow

$989

Oman Air

5 Sept

LHR20:50London Heathrow

14h 55m

1 stop

BKK17:45Bangkok Suvarnabhumi

26 Sept

BKK09:00Bangkok Suvarnabhumi

16h 10m

1 stop

LHR19:10London Heathrow

$990

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Wed 28/10

21:10-01:20

1 stop21h 10m

Bangkok Suvarnabhumi

Sun 15/11

02:20-19:10

1 stop23h 50m

$886

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Tue 29/9

22:00-02:15

1 stop22h 15m

Bangkok Suvarnabhumi

Sat 10/10

03:15-20:00

1 stop22h 45m

$887

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Tue 29/9

22:00-02:15

1 stop22h 15m

Bangkok Suvarnabhumi

Mon 5/10

03:15-19:50

1 stop22h 35m

$889

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Mon 30/11

21:10-01:20

1 stop21h 10m

Bangkok Suvarnabhumi

Tue 8/12

17:55-19:10

1 stop32h 15m

$890

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Mon 14/9

22:05-02:15

1 stop22h 10m

Bangkok Suvarnabhumi

Mon 21/9

19:15-19:50

1 stop30h 35m

$932

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Wed 28/10

21:10-01:20

1 stop21h 10m

Bangkok Suvarnabhumi

Thu 26/11

17:55-19:10

1 stop32h 15m

$934

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Tue 13/10

22:00-02:15

1 stop22h 15m

Bangkok Suvarnabhumi

Sun 8/11

02:20-19:10

1 stop23h 50m

$935

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Sun 13/9

22:05-02:15

1 stop22h 10m

Bangkok Suvarnabhumi

Mon 28/9

03:15-19:50

1 stop22h 35m

$937

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Fri 4/12

21:10-16:55

1 stop36h 45m

Bangkok Suvarnabhumi

Fri 25/12

02:20-19:10

1 stop23h 50m

$938

Fastest return journey

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Tue 1/9

21:20-01:10

2 stops21h 50m

Bangkok Suvarnabhumi

Tue 8/9

03:15-18:40

1 stop21h 25m

$955

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 London 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 cheapest month to fly to Southeast Asia from London is in November. Flight prices, which tend to average around $1,145, are often lower during this time because this is during the off-season. The month of September is another great option to travel to Southeast Asia, with average flight prices from London averaging around $1,207.

What is the cheapest London to Southeast Asia flight route?

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

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

You are more likely to see cheaper flights to Southeast Asia from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Southeast Asia for around $1,534 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 London for as low as $1,447 on momondo.

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

There are 3 cabin classes available to choose from on London 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 London to Southeast Asia flights?

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

Cheap London to Southeast Asia flight deals and tips

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

Best price found	$496
Fastest flight time	11h 40m
Direct flights	Every day
Airports in Southeast Asia	294 airports

The best one-way flight to Southeast Asia from London in the past 72 hours is $496. The best return flight deal from London to Southeast Asia found on momondo in the last 72 hours is $886.

The fastest flight from London to Southeast Asia takes 11h 40m

Direct flights go from London to Southeast Asia every day.

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

Search flight deals

Frequently asked questions about flying from London to Southeast Asia

When did momondo last update prices for flights from London to Southeast Asia?
Prices for flights from London to Southeast Asia are refreshed on a daily basis.
How old do you have to be to fly from London 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 stopovers. It is recommended that you verify with the airline you are booking with for travel from London 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 licence 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 London to Southeast Asia?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from London to Southeast Asia is Boeing 787-9 Dreamliner (20.11% of total bookings). The next most popular plane models are Boeing 777 (13.53%), Airbus A350-1000 (11.12%), and Boeing 787-8 Dreamliner (7.73%).

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Southeast Asia for you.

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

momondo does allow users to show only those flights to Southeast Asia from London which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between London and Southeast Asia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of London to Southeast Asia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.