How long is the flight from Southeast Asia to London Heathrow Airport?

For as low as $978, Singapore Airlines can have you in London Heathrow Airport from Southeast Asia in 18h 10m. The distance between Southeast Asia and London Heathrow Airport is about 10598 km. Both multi-stop and direct flights can be found to your destination and back. Find deals

What are the cheapest airlines to fly from Southeast Asia to London Heathrow Airport one-way?

The cheapet airlines for a one-way flight from Southeast Asia to London Heathrow Airport are Qatar Airways ($499), Hainan Airlines ($515), and Vietnam Airlines ($524). Find deals

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What are the most popular routes from Southeast Asia to London Heathrow Airport?

When deciding which route to take from Southeast Asia to London Heathrow Airport, consider Bangkok Suvarnabhumi - London Heathrow, Singapore Changi - London Heathrow or Kuala Lumpur Intl - London Heathrow, as they are the most popular.

What are the cheapest flights from Southeast Asia to London Heathrow Airport?

While on average a flight from Southeast Asia to London Heathrow Airport is generally $879, our data shows the cheapest flight currently is $649. When looking at the most popular route, (Bangkok Suvarnabhumi - London Heathrow), you can expect to pay $1,191 for that flight.

What are the most reliable airlines from Southeast Asia to London Heathrow Airport?

Before booking your flight to London Heathrow Airport from Southeast Asia, have a look at the most reliable airlines to get you to your destination on time: EVA Air (84%), Thai Airways (81%), Air Canada( 75%).

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

Find a great deal and save up to 38% by booking at least 33 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Southeast Asia to London Heathrow Airport within the next two weeks, with the cheapest ticket starting at $1,433.

What is the cheapest month to fly from Southeast Asia to London Heathrow Airport?

Flights from Southeast Asia to London Heathrow Airport lean towards being more expensive in January. Prices are generally better when you fly from Southeast Asia to London Heathrow Airport in October, with the cheapest ticket starting at $951.

Can I find deals for flights from Southeast Asia to Heathrow that include hotel bookings?

Yes. In addition to deals on Southeast Asia to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Southeast Asia to Heathrow?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southeast Asia to Heathrow.

Can I find deals for business class flights from Southeast Asia to Heathrow?

Yes. Cheapflights offers flight deals from Southeast Asia to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$499+ Cheap Flights from Southeast Asia to London Heathrow Airport

Cheap flight deals from Southeast Asia to Heathrow

Round-trip from	$971
One-way from	$499

Turkish Airlines
17/11-28/11
2 total stops
62h 45m total
Southeast Asia to London

Search Deals

Qatar Airways
1/10
1 total stop
19h 30m total
Southeast Asia to London

Search Deals

Find flight deals from Southeast Asia to Heathrow

Cheapest flights from Southeast Asia to Heathrow
Explore the most affordable flight options available from Southeast Asia to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 August 2025.

Mon 17/1123:45KUL - LHR

1 stop23h 10mTurkish Airlines

Fri 28/1117:45LHR - KUL

1 stop39h 35mTurkish Airlines

Deal found 27/8$971

Tue 4/1109:00KUL - LHR

1 stop18h 10mSingapore Airlines

Sun 9/1109:10LHR - KUL

1 stop16h 20mSingapore Airlines

Deal found 27/8$978

Mon 27/1009:00KUL - LHR

1 stop18h 10mSingapore Airlines

Wed 12/1109:10LHR - KUL

1 stop16h 20mSingapore Airlines

Deal found 27/8$984

Wed 1/1009:50KUL - LHR

1 stop33h 55mEtihad Airways

Wed 8/1020:55LHR - KUL

1 stop15h 55mEtihad Airways

Deal found 26/8$986

Sun 26/1010:05KUL - LHR

1 stop19h 00mTurkish Airlines

Sun 9/1122:35LHR - KUL

1 stop25h 50mTurkish Airlines

Deal found 27/8$988

Mon 27/1010:05KUL - LHR

1 stop20h 20mTurkish Airlines

Wed 12/1116:35LHR - KUL

1 stop16h 45mTurkish Airlines

Deal found 27/8$991

Wed 24/1209:35KUL - LHR

1 stop36h 55mEtihad Airways

Mon 12/113:55LHR - KUL

1 stop21h 40mEtihad Airways

Deal found 27/8$994

Thu 25/1209:35KUL - LHR

1 stop34h 30mEtihad Airways

Mon 12/113:55LHR - KUL

1 stop21h 40mEtihad Airways

Deal found 27/8$1,001

Sat 20/1209:35KUL - LHR

1 stop34h 30mEtihad Airways

Mon 29/1213:55LHR - KUL

1 stop21h 40mEtihad Airways

Deal found 26/8$1,006

Fri 10/1009:50KUL - LHR

1 stop15h 55mEtihad Airways

Thu 30/1013:55LHR - KUL

1 stop21h 40mEtihad Airways

Deal found 27/8$1,008

Wed 24/1209:35KUL - LHR

1 stop36h 55mEtihad Airways

Fri 9/120:55LHR - KUL

1 stop14h 40mEtihad Airways

Deal found 27/8$1,009

Thu 11/921:10SIN - LHR

1 stop16h 50mEtihad Airways

Fri 19/909:30LHR - SIN

1 stop17h 10mEtihad Airways

Deal found 26/8$1,054

Best flights from Southeast Asia to Heathrow
Discover carefully curated flight deals from Southeast Asia to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 August 2025.

Tue 4/1109:00KUL - LHR

1 stop18h 10mSingapore Airlines

Sun 9/1109:10LHR - KUL

1 stop16h 20mSingapore Airlines

Deal found 27/8$978

Wed 1/1009:50KUL - LHR

1 stop33h 55mEtihad Airways

Wed 8/1020:55LHR - KUL

1 stop15h 55mEtihad Airways

Deal found 26/8$986

Tue 25/1110:05KUL - LHR

1 stop31h 50mTurkish Airlines

Sat 29/1116:40LHR - KUL

1 stop31h 45mTurkish Airlines

Deal found 27/8$988

Thu 19/223:00SIN - LHR

1 stop20h 30mAir India

Mon 23/220:30LHR - SIN

1 stop28h 45mAir India

Deal found 25/8$1,075

Fri 31/1023:05SIN - LHR

Nonstop15h 10mQantas Airways

Fri 7/1120:10LHR - SIN

Nonstop13h 30mQantas Airways

Deal found 24/8$1,078

Wed 17/920:00SIN - LHR

1 stop26h 20mGulf Air

Wed 12/1109:30LHR - SIN

1 stop19h 00mGulf Air

Deal found 25/8$1,091

Thu 4/1215:20BKK - LHR

1 stop80h 50mSAUDIA

Mon 8/1210:00LHR - BKK

1 stop20h 40mSAUDIA

Deal found 26/8$1,165

Mon 10/1119:25CGK - LHR

2 stops19h 15mKLM

Wed 19/1110:00LHR - CGK

2 stops25h 10mKLM

Deal found 26/8$1,179

Thu 22/114:55CGK - LHR

1 stop22h 00mOman Air

Wed 18/220:05LHR - CGK

1 stop34h 25mOman Air

Deal found 25/8$1,182

Wed 1/1014:25BKK - LHR

1 stop32h 30mVietnam Airlines

Thu 9/1019:10LHR - BKK

1 stop33h 10mVietnam Airlines

Deal found 27/8$1,189

Sun 7/1215:45DPS - LHR

1 stop33h 10mChina Airlines

Mon 22/1221:15LHR - DPS

1 stop33h 25mChina Airlines

Deal found 26/8$1,565

Mon 8/1215:45DPS - LHR

1 stop33h 10mMultiple Airlines

Mon 22/1221:15LHR - DPS

2 stops28h 50mMultiple Airlines

Deal found 26/8$1,698

Direct flights from Southeast Asia to Heathrow
Explore direct flight options from Southeast Asia to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 28 August 2025.

Fri 31/1023:05SIN - LHR

Nonstop15h 10mQantas Airways

Fri 7/1120:10LHR - SIN

Nonstop13h 30mQantas Airways

Deal found 24/8$1,078

Fri 14/1123:05SIN - LHR

Nonstop15h 10mQantas Airways

Fri 21/1120:10LHR - SIN

Nonstop13h 30mQantas Airways

Deal found 25/8$1,085

Sat 25/1009:50KUL - LHR

Nonstop13h 45mMalaysia Airlines

Wed 29/1021:25LHR - KUL

Nonstop12h 55mMalaysia Airlines

Deal found 26/8$1,106

Thu 6/1123:05SIN - LHR

Nonstop15h 10mQantas Airways

Sat 4/720:50LHR - SIN

Nonstop13h 35mQantas Airways

Deal found 25/8$1,111

Wed 5/1109:00SIN - LHR

Nonstop14h 20mSingapore Airlines

Wed 12/1109:10LHR - SIN

Nonstop12h 50mSingapore Airlines

Deal found 25/8$1,152

Wed 18/209:15KUL - LHR

Nonstop14h 10mMalaysia Airlines

Sun 1/321:25LHR - KUL

Nonstop12h 55mMalaysia Airlines

Deal found 26/8$1,189

Mon 20/1023:25SIN - LHR

Nonstop14h 10mQantas Airways

Wed 5/1120:10LHR - SIN

Nonstop13h 30mQantas Airways

Deal found 27/8$1,229

Mon 3/1123:05SIN - LHR

Nonstop15h 10mQantas Airways

Tue 11/1120:10LHR - SIN

Nonstop13h 30mQantas Airways

Deal found 27/8$1,231

Wed 17/1223:20KUL - LHR

Nonstop14h 05mBritish Airways

Thu 15/120:40LHR - KUL

Nonstop12h 45mBritish Airways

Deal found 27/8$1,237

Sun 21/922:50KUL - LHR

Nonstop13h 35mBritish Airways

Wed 18/320:40LHR - KUL

Nonstop12h 45mBritish Airways

Deal found 27/8$1,239

Mon 9/223:20KUL - LHR

Nonstop14h 05mBritish Airways

Sun 15/220:40LHR - KUL

Nonstop12h 45mBritish Airways

Deal found 26/8$1,240

Tue 16/922:50KUL - LHR

Nonstop13h 35mBritish Airways

Thu 25/921:10LHR - KUL

Nonstop13h 10mBritish Airways

Deal found 26/8$1,242

Last-minute flights from Southeast Asia to Heathrow
Discover last-minute flight deals from Southeast Asia to Heathrow. Data last updated 28 August 2025 and is based on user searches.

Wed 3/916:05KUL - LHR

1 stop33h 35mMultiple Airlines

Wed 10/922:05LHR - KUL

1 stop22h 15mMultiple Airlines

Deal found 27/8$1,055

Sun 7/912:05SIN - LHR

2 stops38h 25mHainan Airlines

Mon 22/922:00LHR - SIN

2 stops30h 00mHainan Airlines

Deal found 26/8$1,055

Thu 11/921:10SIN - LHR

1 stop16h 50mEtihad Airways

Fri 19/909:30LHR - SIN

1 stop17h 10mEtihad Airways

Deal found 26/8$1,054

Tue 23/921:40KUL - LHR

1 stop28h 05mEtihad Airways

Mon 3/1113:55LHR - KUL

1 stop21h 40mEtihad Airways

Deal found 25/8$1,018

Tue 23/909:50KUL - LHR

1 stop36h 25mEtihad Airways

Fri 3/1014:45LHR - KUL

1 stop22h 05mEtihad Airways

Deal found 27/8$1,026

Tue 23/921:40KUL - LHR

1 stop28h 05mEtihad Airways

Tue 4/1119:20LHR - KUL

1 stop16h 15mEtihad Airways

Deal found 25/8$1,028

Tue 23/909:50KUL - LHR

1 stop36h 25mEtihad Airways

Wed 8/1020:55LHR - KUL

1 stop15h 55mEtihad Airways

Deal found 27/8$1,034

Tue 23/921:40KUL - LHR

1 stop28h 05mEtihad Airways

Sun 9/1113:55LHR - KUL

1 stop21h 40mEtihad Airways

Deal found 25/8$1,046

Tue 23/909:50KUL - LHR

1 stop36h 25mEtihad Airways

Sat 4/1014:45LHR - KUL

1 stop22h 05mEtihad Airways

Deal found 27/8$1,052

Wed 24/909:50KUL - LHR

1 stop15h 55mEtihad Airways

Mon 6/1014:45LHR - KUL

1 stop22h 05mEtihad Airways

Deal found 27/8$1,041

Wed 24/909:50KUL - LHR

1 stop15h 55mEtihad Airways

Tue 7/1020:55LHR - KUL

1 stop15h 55mEtihad Airways

Deal found 27/8$1,049

Sun 28/902:15KUL - LHR

1 stop25h 15mSAUDIA

Mon 6/1022:10LHR - KUL

1 stop19h 25mSAUDIA

Deal found 27/8$1,057

One-way flights from Southeast Asia to Heathrow
Search for one-way flight options from Southeast Asia to Heathrow. Find affordable one-way fares based on user searches. Data last updated 28 August 2025.

Wed 1/1009:30KUL - LHR

1 stop19h 30mQatar Airways

Deal found 27/8$499

Sun 11/102:40KUL - LHR

1 stop35h 35mQatar Airways

Deal found 27/8$502

Mon 29/902:55KUL - LHR

1 stop17h 20mQatar Airways

Deal found 27/8$505

Wed 1/1009:50KUL - LHR

1 stop33h 55mEtihad Airways

Deal found 26/8$513

Sun 26/1001:35BKK - LHR

2 stops23h 20mHainan Airlines

Deal found 27/8$515

Sun 28/921:05BKK - LHR

2 stops23h 10mMultiple Airlines

Deal found 26/8$516

Wed 1/1002:15KUL - LHR

1 stop19h 10mEmirates

Deal found 26/8$521

Thu 16/1009:50KUL - LHR

Nonstop13h 45mMalaysia Airlines

Deal found 26/8$522

Tue 21/1018:05KUL - LHR

2 stops27h 40mMultiple Airlines

Deal found 27/8$524

Thu 15/112:20BKK - LHR

1 stop25h 55mVietnam Airlines

Deal found 27/8$524

Wed 1/1009:50KUL - LHR

Nonstop13h 45mMalaysia Airlines

Deal found 26/8$525

Sun 28/904:30KUL - LHR

1 stop16h 40mQatar Airways

Deal found 27/8$527

Cheapflights 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

Tue 4/11

09:00-19:10

1 stop18h 10m

London Heathrow

Sun 9/11

09:10-09:30

1 stop16h 20m

$978

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Mon 27/10

09:00-19:10

1 stop18h 10m

London Heathrow

Wed 12/11

09:10-09:30

1 stop16h 20m

$984

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Wed 1/10

09:50-12:45

1 stop33h 55m

London Heathrow

Wed 8/10

20:55-19:50

1 stop15h 55m

$986

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Tue 25/11

10:05-09:55

1 stop31h 50m

London Heathrow

Sat 29/11

16:40-08:25

1 stop31h 45m

$988

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Sun 26/10

10:05-21:05

1 stop19h 00m

London Heathrow

Sun 9/11

22:35-08:25

1 stop25h 50m

$988

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Mon 27/10

10:05-22:25

1 stop20h 20m

London Heathrow

Wed 12/11

16:35-17:20

1 stop16h 45m

$991

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Mon 10/11

09:00-19:10

1 stop18h 10m

London Heathrow

Sun 16/11

09:10-09:30

1 stop16h 20m

$991

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Sat 20/12

09:35-12:05

1 stop34h 30m

London Heathrow

Mon 29/12

13:55-19:35

1 stop21h 40m

$1,006

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Tue 23/9

21:40-18:45

1 stop28h 05m

London Heathrow

Mon 3/11

13:55-19:35

1 stop21h 40m

$1,018

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Sat 8/11

10:05-22:25

1 stop20h 20m

London Heathrow

Thu 13/11

15:15-17:20

1 stop18h 05m

$1,018

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Showing 1-10 of 60 results

...

Best time to book a flight from Southeast Asia to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Southeast Asia with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Southeast Asia to London Heathrow Airport

What is the cheapest month to book a flight from Southeast Asia to London Heathrow Airport?

Currently, October is the cheapest month in which you can book a flight from Southeast Asia to London Heathrow Airport (average of $1,037). Flying from Southeast Asia to London Heathrow Airport in December is currently the most expensive (average of $1,667). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from YJX to LHR?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Southeast Asia to London Heathrow Airport as you normally would.

Weekly flight availability from Southeast Asia to London Heathrow Airport

The most flights from zzYJX to LHR are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

Reviews of airlines servicing Heathrow

Get a feel of what it's like to fly with Singapore Airlines, Qantas Airways, andBritish Airways from Southeast Asia to London Heathrow Airport by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Singapore Airlines

8.1

Very Good

1,352 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,July 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered

Singapore Airlines

8.1

Very Good

1,352 reviews

Singapore Airlines

8.1

Very Good

1,352 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,July 2025

DAD - SIN

Qantas Airways

7.5

Good

905 reviews

Singapore Airlines

8.1

Very Good

1,352 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,July 2025

DAD - SIN

British Airways

6.7

Okay

7,316 reviews

Singapore Airlines

8.1

Very Good

1,352 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,July 2025

DAD - SIN

Related info for your journey

How long is the flight from Southeast Asia to London Heathrow Airport?
For as low as $978, Singapore Airlines can have you in London Heathrow Airport from Southeast Asia in 18h 10m. The distance between Southeast Asia and London Heathrow Airport is about 10598 km. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines to fly from Southeast Asia to London Heathrow Airport one-way?
The cheapet airlines for a one-way flight from Southeast Asia to London Heathrow Airport are Qatar Airways ($499), Hainan Airlines ($515), and Vietnam Airlines ($524).
What are the most popular routes from Southeast Asia to London Heathrow Airport?
When deciding which route to take from Southeast Asia to London Heathrow Airport, consider Bangkok Suvarnabhumi - London Heathrow, Singapore Changi - London Heathrow or Kuala Lumpur Intl - London Heathrow, as they are the most popular.
What are the most reliable airlines from Southeast Asia to London Heathrow Airport?
Before booking your flight to London Heathrow Airport from Southeast Asia, have a look at the most reliable airlines to get you to your destination on time: EVA Air (84%), Thai Airways (81%), Air Canada( 75%).
What are the cheapest flights from Southeast Asia to London Heathrow Airport?
While on average a flight from Southeast Asia to London Heathrow Airport is generally $879, our data shows the cheapest flight currently is $649. When looking at the most popular route, (Bangkok Suvarnabhumi - London Heathrow), you can expect to pay $1,191 for that flight.
Can I find deals for flights from Southeast Asia to Heathrow that include hotel bookings?
Yes. In addition to deals on Southeast Asia to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Southeast Asia to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southeast Asia to Heathrow.
Can I find deals for business class flights from Southeast Asia to Heathrow?
Yes. Cheapflights offers flight deals from Southeast Asia to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Southeast Asia to London Heathrow Airport?
Currently, October is the cheapest month in which you can book a flight from Southeast Asia to London Heathrow Airport (average of $1,037). Flying from Southeast Asia to London Heathrow Airport in December is currently the most expensive (average of $1,667). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 4 airlines flying from Southeast Asia to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Qantas Airways	Cheapest$897	Average$1,334	FlexibilityNo cancel fee	On-time74%	Search Qantas Airways flights
British Airways	Cheapest$969	Average$1,524	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Singapore Airlines	Cheapest$1,053	Average$1,286	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights
Thai Airways	Cheapest$1,578	Average$1,695	FlexibilityNo cancel fee	On-time77%	Search Thai Airways flights

Fly with Cheapflights

How does Cheapflights help users find flights from Southeast Asia to Heathrow?

Deals for Southeast Asia to Heathrow flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Southeast Asia to Heathrow?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Southeast Asia to Heathrow.

Can Cheapflights find flights from Southeast Asia to Heathrow with no change fees?

Certainly. Search results for flights to Heathrow from Southeast Asia shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Southeast Asia to Heathrow become cheaper?

Not ready to book yet? You can track prices for flights from Southeast Asia to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Southeast Asia to London Heathrow Airport from $499

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Southeast Asia to Heathrow

Keep the following information in mind while searching for Southeast Asia to Heathrow flight deals. Data was last updated 28 August 2025.

Round-trip from

One-way from

Find flight deals from Southeast Asia to Heathrow

Cheapest flights from Southeast Asia to HeathrowExplore the most affordable flight options available from Southeast Asia to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 August 2025.

Explore the most affordable flight options available from Southeast Asia to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 August 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Southeast Asia to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Southeast Asia with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Southeast Asia to London Heathrow Airport

What is the cheapest month to book a flight from Southeast Asia to London Heathrow Airport?

What is the cheapest time of day to fly from YJX to LHR?

Find hourly flight availability from Southeast Asia to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 August 2025.

Weekly flight availability from Southeast Asia to London Heathrow Airport

Reviews of airlines servicing Heathrow

Related info for your journey

Find useful and relevant information for your journey from Southeast Asia to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Southeast Asia to London Heathrow Airport?

What are the cheapest airlines to fly from Southeast Asia to London Heathrow Airport one-way?

What are the most popular routes from Southeast Asia to London Heathrow Airport?

What are the most reliable airlines from Southeast Asia to London Heathrow Airport?

What are the cheapest flights from Southeast Asia to London Heathrow Airport?

Can I find deals for flights from Southeast Asia to Heathrow that include hotel bookings?

How can I find direct flights from Southeast Asia to Heathrow?

Can I find deals for business class flights from Southeast Asia to Heathrow?

What is the cheapest month to book a flight from Southeast Asia to London Heathrow Airport?

Travelling to a place near London Heathrow Airport?

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Alternative routes for Southeast Asia to Heathrow

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Top 4 airlines flying from Southeast Asia to Heathrow

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Cheapest flights from Southeast Asia to Heathrow
Explore the most affordable flight options available from Southeast Asia to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 August 2025.