Which airlines fly to Southeast Asia?

Thai Airways, Air China and Etihad Airways are the top three most popular airlines that fly to Southeast Asia from London according to our data. Thai 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 44 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 London to Southeast Asia on average per day?

As of October 2025, 52 flights take off from London and land in Southeast Asia each day. The most common flight departure time for this route is 21:00, with 65% of daily flights taking off in the evening.

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

Lufthansa, Air China, and Gulf Air are the most popular carriers operating from London to Southeast Asia

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

The number of flights available between London and Southeast Asia is 368 per week as of October 2025. The most frequent departure day is Fri, with 15% of weekly flights leaving on this day.

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

Prices for flights from London to Southeast Asia are updated daily.

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

As of October 2025, there are 43 operators available to choose from for flights from London to Southeast Asia.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. 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 necessary travel and health documents for your Southeast Asia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£299 Cheap Flights from London to Southeast Asia in 2025/26

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17:40 - 00:05LHR-MNL

22h 25m1 stop

02:55 - 19:40MNL-LHR

24h 45m1 stop

£455Air China

Find Deal

Sun, 1 Feb - Fri, 13 Feb

11:05 - 01:30LGW-BKK

31h 25m1 stop

02:30 - 06:55BKK-LGW

35h 25m1 stop

£455Air China

Find Deal

Sun, 30 Nov - Sun, 14 Dec

10:30 - 00:55LGW-BKK

31h 25m1 stop

01:55 - 14:00BKK-LGW

19h 05m1 stop

£456China Eastern

Find Deal

Fri, 13 Mar - Sat, 21 Mar

10:30 - 15:55LGW-BKK

22h 25m1 stop

15:05 - 14:00BKK-LGW

29h 55m2 stops

£457China Eastern

Find Deal

Sun, 16 Nov - Sun, 7 Dec

22:00 - 16:50LHR-MNL

34h 50m1 stop

12:00 - 18:35MNL-LHR

38h 35m1 stop

£458China Southern

Find Deal

Mon, 10 Nov - Mon, 22 Dec

20:20 - 17:05LGW-BKK

37h 45m2 stops

02:10 - 06:25BKK-LGW

35h 15m1 stop

£458China Southern

Find Deal

Sat, 22 Nov - Sat, 13 Dec

08:45 - 18:55LHR-SIN

26h 10m1 stop

23:00 - 20:30SIN-LHR

29h 30m1 stop

£461Air India

Find Deal

Tue, 18 Nov - Wed, 19 Nov

13:55 - 09:35LHR-SIN

35h 40m1 stop

19:25 - 06:40SIN-LHR

19h 15m1 stop

£461Etihad Airways

Find Deal

Wed, 12 Nov - Sun, 16 Nov

20:55 - 09:35LHR-SIN

28h 40m1 stop

19:25 - 12:05SIN-LHR

24h 40m1 stop

£462Etihad Airways

Find Deal

Mon, 10 Nov - Fri, 14 Nov

08:45 - 18:55LHR-SIN

26h 10m1 stop

19:40 - 11:05SIN-LHR

23h 25m1 stop

£464Air India

Find Deal

Mon, 17 Nov - Tue, 2 Dec

China Eastern flights from London to Southeast Asia

Our best China Eastern deals on London to Southeast Asia flight tickets

China Eastern

13 Nov

LGW10:30London Gatwick

18h 50m

1 stop

BKK12:20Bangkok Suvarnabhumi

25 Nov

BKK19:05Bangkok Suvarnabhumi

18h 25m

1 stop

LGW06:30London Gatwick

£455

Find similar

China Eastern

13 Mar

LGW10:30London Gatwick

31h 25m

1 stop

BKK00:55Bangkok Suvarnabhumi

21 Mar

BKK01:55Bangkok Suvarnabhumi

19h 05m

1 stop

LGW14:00London Gatwick

£456

Find similar

China Eastern

16 Nov

LGW10:30London Gatwick

22h 25m

1 stop

BKK15:55Bangkok Suvarnabhumi

7 Dec

BKK15:05Bangkok Suvarnabhumi

29h 55m

2 stops

LGW14:00London Gatwick

£457

Find similar

Norse Atlantic UK flights from London to Southeast Asia

Our best Norse Atlantic UK deals on London to Southeast Asia flight tickets

Norse Atlantic UK

23 Nov

LGW16:10London Gatwick

11h 15m

BKK10:25Bangkok Suvarnabhumi

3 Dec

BKK12:30Bangkok Suvarnabhumi

13h 00m

LGW18:30London Gatwick

£469

Find similar

Norse Atlantic UK

4 Nov

LGW16:00London Gatwick

11h 25m

BKK10:25Bangkok Suvarnabhumi

11 Dec

BKK12:25Bangkok Suvarnabhumi

12h 55m

LGW18:20London Gatwick

£484

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Fly from

Fly to

Route

Depart

Return

Price

LondonManila

LHR - MNL

LHRMNL

London Heathrow

Sun 1/2

17:40-00:05

1 stop22h 25m

Manila Ninoy Aquino Intl

Fri 13/2

02:55-19:40

1 stop24h 45m

£455

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sun 30/11

11:05-01:30

1 stop31h 25m

Bangkok Suvarnabhumi

Sun 14/12

02:30-06:55

1 stop35h 25m

£455

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Fri 13/3

10:30-00:55

1 stop31h 25m

Bangkok Suvarnabhumi

Sat 21/3

01:55-14:00

1 stop19h 05m

£456

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sun 16/11

10:30-15:55

1 stop22h 25m

Bangkok Suvarnabhumi

Sun 7/12

15:05-14:00

2 stops29h 55m

£457

LondonManila

LHR - MNL

LHRMNL

London Heathrow

Mon 10/11

22:00-16:50

1 stop34h 50m

Manila Ninoy Aquino Intl

Mon 22/12

12:00-18:35

1 stop38h 35m

£458

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sat 22/11

20:20-17:05

2 stops37h 45m

Bangkok Suvarnabhumi

Sat 13/12

02:10-06:25

1 stop35h 15m

£458

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Tue 18/11

08:45-18:55

1 stop26h 10m

Singapore Changi

Wed 19/11

23:00-20:30

1 stop29h 30m

£461

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Wed 12/11

13:55-09:35

1 stop35h 40m

Singapore Changi

Sun 16/11

19:25-06:40

1 stop19h 15m

£461

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Mon 10/11

20:55-09:35

1 stop28h 40m

Singapore Changi

Fri 14/11

19:25-12:05

1 stop24h 40m

£462

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Mon 17/11

08:45-18:55

1 stop26h 10m

Singapore Changi

Tue 2/12

19:40-11:05

1 stop23h 25m

£464

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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 month of May is, on average, the cheapest month to fly to Southeast Asia from London, with most prices found around £409. If you are unable to visit Southeast Asia during the month of May, then departing from London during the month September is also very affordable. Most momondo users find prices during this month for around £553.

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

Our data shows that Tuesday is the least expensive day to fly to Southeast Asia. Tickets to fly out on this day can be as low as £733. 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 £780.

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

At midday is the cheapest time of day to fly from London to Southeast Asia when you can find flight prices for as low as £658. Flying to Southeast Asia at midday is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around £764. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest London to Southeast Asia flight route?

Fly from London Gatwick to Bangkok Suvarnabhumi for the best London - 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 London when booking weeks ahead of your departure date. In general, you can expect to find flights to Southeast Asia for around £717 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 £661 on momondo.

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

There are 4 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

Fastest flight time	11h 15m
Direct flights	Mon, Wed, Thu and Sun
Airports in Southeast Asia	1 airport

The fastest flight from London to Southeast Asia takes 11h 15m

Direct flights go from London to Southeast Asia on Monday, Wednesday, Thursday and Sunday. There are no airlines offering direct flights..

There is 1 airport near Southeast Asia: Bangkok Suvarnabhumi (BKK)

Search flight deals

When did momondo last update prices for flights from London to Southeast Asia?
Prices for flights from London to Southeast Asia are updated daily.
How many operators does momondo search for flights from London to Southeast Asia?
As of October 2025, there are 43 operators available to choose from for flights from London to Southeast Asia.
How old do you have to be to fly from London to Southeast Asia?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. 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 necessary travel and health documents for your Southeast Asia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London to Southeast Asia?
momondo data reveals that the most frequently booked plane model on the route from London to Southeast Asia is Boeing 787-9 Dreamliner, representing 16.67% of all bookings. The subsequent popular models are Airbus A350-1000 at 16.41%, Boeing 777 at 12.99%, and Boeing 777-300ER at 7.90%.

Best airlines flying from London to Southeast Asia

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

Airline	Rating	Free Cancellation	Price
Hahn Air	PriceFrom £279	Free Cancellation	Rating 0.0	Search Hahn Air flights
Turkmenistan Airlines	PriceFrom £296	Free Cancellation	Rating 0.0 0 reviews	Search Turkmenistan Airlines flights
KLM	PriceFrom £376	Free Cancellation	Rating 7.7 1,406 reviews	Search KLM flights
Hainan Airlines	PriceFrom £384	Free Cancellation	Rating 8.1 50 reviews	Search Hainan Airlines flights
Norse Atlantic UK	PriceFrom £419	Free Cancellation	Rating 7.2 51 reviews	Search Norse Atlantic UK flights
Royal Brunei Airlines	PriceFrom £435	Free Cancellation	Rating 0.0 0 reviews	Search Royal Brunei Airlines flights
SWISS	PriceFrom £440	Free Cancellation	Rating 7.5 1,775 reviews	Search SWISS flights
A.P.G.	PriceFrom £476	Free Cancellation	Rating 0.0	Search A.P.G. flights
Royal Jordanian	PriceFrom £494	Free Cancellation	Rating 6.8 432 reviews	Search Royal Jordanian flights
ITA Airways	PriceFrom £503	Free Cancellation	Rating 6.7 1,078 reviews	Search ITA Airways flights

Why use momondo?

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

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

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

All flight searches from London to Southeast Asia on momondo can be filtered to show those which offer flexible booking policies.

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

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

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

Yes momondo offers price alerts on flights to Southeast Asia from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Southeast Asia trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Start using Trips

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Find better results for your trip to Southeast Asia

Popular Cities in Southeast Asia

Flights to Londonfrom £30

Flights to Bangkokfrom £345

Flights to New Yorkfrom £250

Flights to Dubaifrom £225

Flights to Manchesterfrom £31

Flights to Istanbulfrom £56

Flights to Islamabadfrom £353

Flights to Jeddahfrom £144

Flights to Manilafrom £447

Flights to New Delhifrom £301

Flights to Mumbaifrom £299

Flights to Lisbonfrom £29

Cheap flights from London to Southeast Asia from £299

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Southeast Asia departing on 8/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from London to Southeast Asia

Cheap return flights

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China Eastern flights from London to Southeast Asia

Our best China Eastern deals on London to Southeast Asia flight tickets

Norse Atlantic UK flights from London to Southeast Asia

Our best Norse Atlantic UK deals on London to Southeast Asia flight tickets

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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

What is the cheapest month to fly to Southeast Asia?

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

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

What is the cheapest London to Southeast Asia flight route?

Fly from London Gatwick to Bangkok Suvarnabhumi for the best London - Southeast Asia flight prices

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

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

There are 4 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.

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

Lufthansa, Air China, and Gulf Air are the most popular carriers operating from London to Southeast Asia

Which airlines fly to Southeast Asia?

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

As of October 2025, 52 flights take off from London and land in Southeast Asia each day. The most common flight departure time for this route is 21:00, with 65% of daily flights taking off in the evening.

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

The number of flights available between London and Southeast Asia is 368 per week as of October 2025. The most frequent departure day is Fri, with 15% of weekly flights leaving on this day.

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

Direct flights

Airports in Southeast Asia

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

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

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

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

What is the most popular plane model from London to Southeast Asia?

Best airlines flying from London to Southeast Asia

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

Why use momondo?

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

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

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

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

An easier way to manage your Southeast Asia trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Southeast Asia

Popular Cities in Southeast Asia

Popular flights according to clicks in the last 7 days on momondo