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

Turkish Airlines, Emirates, and KLM are the most popular carriers operating 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.

$618 Cheap Flights from London to Southeast Asia in 2026

1 adult

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Find the cheapest flights from London to Southeast Asia

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

09:55 - 00:35

LTN

KUL

31h 40m

2 stops

17:35 - 09:25

KUL

LTN

22h 50m

2 stops

$1,055Multiple Airlines

Mon, 1 Jun - Thu, 18 Jun

17:40 - 08:10

STN

KUL

31h 30m

2 stops

09:50 - 06:50

KUL

STN

28h 00m

2 stops

$1,065Multiple Airlines

Mon, 1 Jun - Thu, 18 Jun

17:35 - 08:10

STN

KUL

55h 35m

1 stop

09:50 - 16:40

KUL

STN

37h 50m

1 stop

$1,140Turkish Airlines

Fri, 12 Jun - Mon, 22 Jun

10:50 - 08:10

STN

KUL

86h 20m

1 stop

09:50 - 22:10

KUL

STN

19h 20m

1 stop

$1,180Turkish Airlines

Mon, 1 Jun - Thu, 18 Jun

09:50 - 16:40

LCY

KUL

22h 50m

1 stop

23:55 - 09:15

KUL

LCY

17h 20m

1 stop

$1,201Lufthansa

Mon, 26 Oct - Mon, 23 Nov

09:50 - 16:40

LCY

KUL

22h 50m

1 stop

23:55 - 09:15

KUL

LCY

17h 20m

1 stop

$1,205Lufthansa

Wed, 4 Nov - Thu, 3 Dec

20:05 - 15:40

LCY

KUL

35h 35m

1 stop

23:50 - 07:15

KUL

LCY

15h 25m

1 stop

$1,389KLM

Sun, 1 Nov - Wed, 11 Nov

17:50 - 15:40

LCY

KUL

14h 50m

1 stop

23:55 - 07:55

KUL

LCY

15h 00m

1 stop

$1,394KLM

Mon, 14 Sep - Tue, 20 Oct

14:55 - 22:25

STN

DPS

24h 30m

1 stop

00:35 - 12:55

DPS

STN

19h 20m

1 stop

$1,444Emirates

Mon, 8 Jun - Mon, 22 Jun

14:55 - 22:25

STN

DPS

24h 30m

1 stop

19:45 - 12:55

DPS

STN

24h 10m

1 stop

$1,445Emirates

Mon, 21 Sep - Tue, 6 Oct

KLM flights from London to Southeast Asia

Our best KLM deals on London to Southeast Asia flight tickets

KLM

1 Nov

LCY20:05London City

35h 35m

1 stop

KUL15:40Kuala Lumpur Intl

11 Nov

KUL23:50Kuala Lumpur Intl

15h 25m

1 stop

LCY07:15London City

$1,389

KLM

14 Sept

LCY17:50London City

14h 50m

1 stop

KUL15:40Kuala Lumpur Intl

20 Oct

KUL23:55Kuala Lumpur Intl

15h 00m

1 stop

LCY07:55London City

$1,394

KLM

13 Sept

LCY20:45London City

35h 55m

1 stop

KUL15:40Kuala Lumpur Intl

22 Oct

KUL23:55Kuala Lumpur Intl

15h 00m

1 stop

LCY07:55London City

$1,411

SWISS flights from London to Southeast Asia

Our best SWISS deals on London to Southeast Asia flight tickets

SWISS

25 June

LCY09:15London City

27h 30m

2 stops

KUL19:45Kuala Lumpur Intl

7 July

KUL20:40Kuala Lumpur Intl

19h 00m

2 stops

LCY08:40London City

$1,444

SWISS

15 July

LCY13:10London City

23h 35m

2 stops

KUL19:45Kuala Lumpur Intl

27 July

KUL20:40Kuala Lumpur Intl

19h 00m

2 stops

LCY08:40London City

$1,623

SWISS

2 Sept

LCY18:00London City

23h 10m

2 stops

DPS00:10Denpasar Bali Ngurah Rai

30 Sept

DPS13:15Denpasar Bali Ngurah Rai

26h 25m

2 stops

LCY08:40London City

$1,715

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonKuala Lumpur

LTN - KUL

LTNKUL

London Luton

Mon 1/6

09:55-00:35

2 stops31h 40m

Kuala Lumpur Intl

Thu 18/6

17:35-09:25

2 stops22h 50m

$1,055

LondonKuala Lumpur

STN - KUL

STNKUL

London Stansted

Mon 1/6

17:40-08:10

2 stops31h 30m

Kuala Lumpur Intl

Thu 18/6

09:50-06:50

2 stops28h 00m

$1,065

LondonKuala Lumpur

STN - KUL

STNKUL

London Stansted

Fri 12/6

17:35-08:10

1 stop55h 35m

Kuala Lumpur Intl

Mon 22/6

09:50-16:40

1 stop37h 50m

$1,140

LondonKuala Lumpur

STN - KUL

STNKUL

London Stansted

Mon 1/6

10:50-08:10

1 stop86h 20m

Kuala Lumpur Intl

Thu 18/6

09:50-22:10

1 stop19h 20m

$1,180

LondonKuala Lumpur

LCY - KUL

LCYKUL

London City

Mon 26/10

09:50-16:40

1 stop22h 50m

Kuala Lumpur Intl

Mon 23/11

23:55-09:15

1 stop17h 20m

$1,201

LondonKuala Lumpur

LCY - KUL

LCYKUL

London City

Wed 4/11

09:50-16:40

1 stop22h 50m

Kuala Lumpur Intl

Thu 3/12

23:55-09:15

1 stop17h 20m

$1,205

LondonKuala Lumpur

LCY - KUL

LCYKUL

London City

Sun 1/11

20:05-15:40

1 stop35h 35m

Kuala Lumpur Intl

Wed 11/11

23:50-07:15

1 stop15h 25m

$1,389

Fastest return journey

LondonKuala Lumpur

LCY - KUL

LCYKUL

London City

Mon 14/9

17:50-15:40

1 stop14h 50m

Kuala Lumpur Intl

Tue 20/10

23:55-07:55

1 stop15h 00m

$1,394

LondonDenpasar

STN - DPS

STNDPS

London Stansted

Mon 8/6

14:55-22:25

1 stop24h 30m

Denpasar Bali Ngurah Rai

Mon 22/6

00:35-12:55

1 stop19h 20m

$1,444

LondonDenpasar

STN - DPS

STNDPS

London Stansted

Mon 21/9

14:55-22:25

1 stop24h 30m

Denpasar Bali Ngurah Rai

Tue 6/10

19:45-12:55

1 stop24h 10m

$1,445

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

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 $1,117, 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 $1,132.

What is the cheapest London to Southeast Asia flight route?

Fly from London Gatwick to Singapore Changi 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 $1,490 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 $1,434 on momondo.

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

Fastest flight time	11h 40m
Direct flights	None

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

There are no direct flights from London to Southeast Asia. There are no popular flight routes from London to Southeast Asia.

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 (18.59% of total bookings). The next most popular plane models are Airbus A350-1000 (15.03%), Boeing 777 (12.20%), and Boeing 787-8 Dreamliner (6.70%).

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.