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

381 flights are operational weekly from Southeast Asia to London Heathrow Airport as of September 2025. The most popular departure day for this route is Wed, with 15% of flights per week taking off on this day.

What airlines fly to London Heathrow Airport?

Thai Airways, Singapore Airlines and EVA Air are the top three most popular airlines that fly to London Heathrow Airport from Southeast Asia according to our data. Thai Airways is the first choice among our users, with 32% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 19 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

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

54 flights are operational daily from Southeast Asia to London Heathrow Airport as of September 2025. The most popular departure time for this route is 12:00PM, with 32% of flights per day taking off in the evening.

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

China Eastern, Air China, and Qatar Airways are the most popular carriers operating from Southeast Asia to London Heathrow

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

As of September 2025, there are 20 operators available to choose from for flights from Southeast Asia to London Heathrow Airport.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Southeast Asia to London Heathrow Airport.

What documentation or ID do you need to fly to London Heathrow Airport?

The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$317 Cheap Flights from Southeast Asia to London Heathrow Airport in 2025/26

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Find the cheapest flights from Southeast Asia to London

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

4:00 pm - 8:00 pmKUL-LHR

35h 00m1 stop

9:55 am - 8:05 amLHR-KUL

38h 10m2 stops

$633Multiple Airlines

Find Deal

Wed, Oct 22 - Tue, Oct 28

11:50 pm - 9:00 amKUL-LHR

17h 10m1 stop

8:25 pm - 3:40 pmLHR-KUL

35h 15m1 stop

$635KLM

Find Deal

Thu, Nov 6 - Sun, Nov 16

2:20 am - 6:35 pmKUL-LHR

24h 15m1 stop

10:00 pm - 1:40 pmLHR-KUL

31h 40m1 stop

$640China Southern

Find Deal

Tue, Nov 18 - Wed, Nov 26

9:00 am - 7:10 pmKUL-LHR

18h 10m1 stop

9:10 am - 10:20 amLHR-KUL

17h 10m1 stop

$653Singapore Airlines

Find Deal

Mon, Nov 10 - Sun, Nov 16

9:00 am - 7:10 pmKUL-LHR

18h 10m1 stop

9:10 am - 10:20 amLHR-KUL

17h 10m1 stop

$654Singapore Airlines

Find Deal

Mon, Nov 10 - Sun, Nov 16

2:45 am - 5:30 pmHAN-LHR

21h 45m1 stop

9:00 pm - 2:10 pmLHR-HAN

34h 10m1 stop

$721China Eastern

Find Deal

Wed, Oct 29 - Thu, Nov 6

5:25 pm - 4:15 pmBKK-LHR

52h 50m2 stops

10:10 pm - 10:10 amLHR-BKK

30h 00m1 stop

$730China Southern

Find Deal

Fri, Oct 17 - Sat, Oct 25

4:55 pm - 5:30 pmSGN-LHR

31h 35m2 stops

9:00 pm - 1:10 amLHR-SGN

21h 10m1 stop

$730China Eastern

Find Deal

Wed, Oct 29 - Sat, Nov 8

10:30 pm - 4:10 pmPEN-LHR

24h 40m1 stop

3:50 pm - 3:20 pmLHR-PEN

15h 30m1 stop

$798Emirates

Find Deal

Wed, Oct 8 - Tue, Dec 9

10:30 pm - 2:25 pmPEN-LHR

22h 55m1 stop

7:00 pm - 3:20 pmLHR-PEN

36h 20m1 stop

$800Emirates

Find Deal

Wed, Oct 8 - Tue, Dec 9

Shenzhen Airlines flights from Southeast Asia to London Heathrow Airport

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

Shenzhen Airlines

Dec 16

HAN2:10 amHanoi Noibai

24h 00m

1 stop

LHR7:10 pmLondon Heathrow

Dec 31

LHR9:10 pmLondon Heathrow

21h 00m

1 stop

HAN1:10 amHanoi Noibai

$694

Find similar

Shenzhen Airlines

Dec 16

HAN2:10 amHanoi Noibai

24h 00m

1 stop

LHR7:10 pmLondon Heathrow

Dec 31

LHR9:10 pmLondon Heathrow

21h 00m

1 stop

HAN1:10 amHanoi Noibai

$695

Find similar

Hainan Airlines flights from Southeast Asia to London Heathrow Airport

Our best Hainan Airlines deals on Southeast Asia to London Heathrow Airport flight tickets

Hainan Airlines

Nov 26

SIN4:40 amSingapore Changi

44h 55m

2 stops

LHR5:35 pmLondon Heathrow

Jan 2

LHR9:00 pmLondon Heathrow

30h 10m

2 stops

SIN11:10 amSingapore Changi

$700

Find similar

Hainan Airlines

Oct 15

SIN4:40 amSingapore Changi

21h 50m

1 stop

LHR7:30 pmLondon Heathrow

Oct 22

LHR10:00 pmLondon Heathrow

22h 10m

1 stop

SIN3:10 amSingapore Changi

$710

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momondo Fare Finder

Use the filters below to find and compare flights from Southeast Asia to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Wed 10/22

4:00 pm-8:00 pm

1 stop35h 00m

London Heathrow

Tue 10/28

9:55 am-8:05 am

2 stops38h 10m

$633

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Thu 11/6

11:50 pm-9:00 am

1 stop17h 10m

London Heathrow

Sun 11/16

8:25 pm-3:40 pm

1 stop35h 15m

$635

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Tue 11/18

2:20 am-6:35 pm

1 stop24h 15m

London Heathrow

Wed 11/26

10:00 pm-1:40 pm

1 stop31h 40m

$640

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Mon 11/10

9:00 am-7:10 pm

1 stop18h 10m

London Heathrow

Sun 11/16

9:10 am-10:20 am

1 stop17h 10m

$653

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Mon 11/10

9:00 am-7:10 pm

1 stop18h 10m

London Heathrow

Sun 11/16

9:10 am-10:20 am

1 stop17h 10m

$654

HanoiLondon

HAN - LHR

HANLHR

Hanoi Noibai

Wed 10/29

2:45 am-5:30 pm

1 stop21h 45m

London Heathrow

Thu 11/6

9:00 pm-2:10 pm

1 stop34h 10m

$721

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Fri 10/17

5:25 pm-4:15 pm

2 stops52h 50m

London Heathrow

Sat 10/25

10:10 pm-10:10 am

1 stop30h 00m

$730

Ho Chi Minh CityLondon

SGN - LHR

SGNLHR

Ho Chi Minh City

Wed 10/29

4:55 pm-5:30 pm

2 stops31h 35m

London Heathrow

Sat 11/8

9:00 pm-1:10 am

1 stop21h 10m

$730

PenangLondon

PEN - LHR

PENLHR

Penang Intl

Wed 10/8

10:30 pm-4:10 pm

1 stop24h 40m

London Heathrow

Tue 12/9

3:50 pm-3:20 pm

1 stop15h 30m

$798

PenangLondon

PEN - LHR

PENLHR

Penang Intl

Wed 10/8

10:30 pm-2:25 pm

1 stop22h 55m

London Heathrow

Tue 12/9

7:00 pm-3:20 pm

1 stop36h 20m

$800

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Southeast Asia to London Heathrow Airport

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 London Heathrow Airport?

The month of March is, on average, the cheapest month to fly to London Heathrow Airport from Southeast Asia, with most prices found around $955. If you’re not able to fly to London Heathrow Airport in March, then May is your next best option. Flight prices from Southeast Asia to London Heathrow Airport during May average around $983.

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Friday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $1,054. The most expensive day to fly to London Heathrow Airport is Monday, with ticket prices averaging around $1,248.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from Southeast Asia to London Heathrow Airport in the afternoon for as low as $770. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $1,540.

What is the cheapest Southeast Asia to London Heathrow flight route?

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

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Southeast Asia when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $1,023 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Southeast Asia for as low as $921 on momondo.

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

There are 4 cabin classes available to choose from on Southeast Asia to London Heathrow 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 Southeast Asia to London Heathrow Airport flights?

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

Cheap Southeast Asia to London Heathrow Airport flight deals and tips

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

Fastest flight time	12h 30m
Direct flights	Every day

The fastest flight from Southeast Asia to London Heathrow Airport takes 12h 30m

Direct flights go from Southeast Asia to London Heathrow Airport every day.

Search flight deals

When did momondo last update prices for flights from Southeast Asia to London Heathrow Airport?
Prices for flights from Southeast Asia to London Heathrow Airport refresh daily.
How many operators does momondo search for flights from Southeast Asia to London Heathrow Airport?
As of September 2025, there are 20 operators available to choose from for flights from Southeast Asia to London Heathrow Airport.
How old do you have to be to fly from Southeast Asia to London Heathrow Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Southeast Asia to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Southeast Asia to London Heathrow Airport?
momondo data reveals that the most frequently booked plane model on the route from Southeast Asia to London Heathrow Airport is Boeing 777, representing 13.81% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 11.63%, Boeing 777-300ER at 9.26%, and Airbus A320neo at 8.93%.

Best airlines flying from Southeast Asia to London Heathrow Airport

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

Airline	Rating	Free Cancellation	Price
SAUDIA	PriceFrom $374	Free Cancellation	Rating 7.4 634 reviews	Search SAUDIA flights
Qatar Airways	PriceFrom $496	Free Cancellation	Rating 7.4 3,622 reviews	Search Qatar Airways flights
China Eastern	PriceFrom $564	Free Cancellation	Rating 7.2 166 reviews	Search China Eastern flights
China Southern	PriceFrom $596	Free Cancellation	Rating 7.5 110 reviews	Search China Southern flights
Lufthansa	PriceFrom $627	Free Cancellation	Rating 6.8 7,409 reviews	Search Lufthansa flights
Etihad Airways	PriceFrom $631	Free Cancellation	Rating 7.4 1,251 reviews	Search Etihad Airways flights
Air China	PriceFrom $655	Free Cancellation	Rating 7.3 101 reviews	Search Air China flights
Emirates	PriceFrom $668	Free Cancellation	Rating 8.1 3,339 reviews	Search Emirates flights
SWISS	PriceFrom $674	Free Cancellation	Rating 7.6 1,737 reviews	Search SWISS flights
British Airways	PriceFrom $690	Free Cancellation	Rating 6.7 7,367 reviews	Search British Airways flights

Gatwick

Hounslow

Dover

Luton

Slough

Milton Keynes

Hayes

Guildford

Dartford

Crawley

Stansted

Chelmsford

Salisbury

Brentwood

Ilford

Folkestone

Colchester

Swindon

Stratford-upon-Avon

Watford

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Southeast Asia.

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

Yes. momondo enables you to select and highlight flights to London from Southeast Asia with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Southeast Asia.

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

Yes. momondo can track prices for Southeast Asia to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your London Heathrow Airport trip

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

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Cheap flights from Southeast Asia to London from $317

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Southeast Asia to London departing on 1/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Filter for what you want

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Find the cheapest flights from Southeast Asia to London

Cheap round-trip flights

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Cheap last minute flights

Cheap direct flights

Shenzhen Airlines flights from Southeast Asia to London Heathrow Airport

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

Hainan Airlines flights from Southeast Asia to London Heathrow Airport

Our best Hainan Airlines deals on Southeast Asia to London Heathrow Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Southeast Asia to London Heathrow Airport that are best for you.

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How to get the cheapest flight ticket from Southeast Asia to London Heathrow Airport

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 London Heathrow Airport?

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Friday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $1,054. The most expensive day to fly to London Heathrow Airport is Monday, with ticket prices averaging around $1,248.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

What is the cheapest Southeast Asia to London Heathrow flight route?

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

How far in advance should I book a flight to London Heathrow Airport?

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

There are 4 cabin classes available to choose from on Southeast Asia to London Heathrow 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 Southeast Asia to London Heathrow Airport flights?

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

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

China Eastern, Air China, and Qatar Airways are the most popular carriers operating from Southeast Asia to London Heathrow

What airlines fly to London Heathrow Airport?

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

54 flights are operational daily from Southeast Asia to London Heathrow Airport as of September 2025. The most popular departure time for this route is 12:00PM, with 32% of flights per day taking off in the evening.

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

381 flights are operational weekly from Southeast Asia to London Heathrow Airport as of September 2025. The most popular departure day for this route is Wed, with 15% of flights per week taking off on this day.

Cheap Southeast Asia to London Heathrow Airport flight deals and tips

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

Fastest flight time

Direct flights

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

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

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

What documentation or ID do you need to fly to London Heathrow Airport?

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

Best airlines flying from Southeast Asia to London Heathrow Airport

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

Traveling to a place near London?

Why use momondo?

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

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

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

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

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organize 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 London

Popular cities in the United Kingdom

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