Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Southeast Asia to London from £170

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 10/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Southeast Asia to London

Cheap return flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
09:50 - 09:35
KUL
-
LHR
30h 45m1 stop
Turkish Airlines Logo
22:35 - 08:10
LHR
-
KUL
50h 35m1 stop
£432Turkish Airlines
Mon, 11 May - Mon, 8 Jun
Turkish Airlines Logo
10:05 - 16:05
KUL
-
LHR
38h 00m1 stop
Turkish Airlines Logo
22:35 - 08:10
LHR
-
KUL
50h 35m1 stop
£441Turkish Airlines
Tue, 24 Mar - Tue, 31 Mar
China Southern Logo
11:25 - 18:35
BKK
-
LHR
38h 10m1 stop
China Southern Logo
22:00 - 11:25
LHR
-
BKK
30h 25m1 stop
£485China Southern
Wed, 4 Mar - Thu, 12 Mar
China Southern Logo
02:50 - 14:00
BKK
-
LHR
18h 10m1 stop
China Southern Logo
22:00 - 11:25
LHR
-
BKK
30h 25m1 stop
£486China Southern
Tue, 10 Feb - Sat, 7 Mar
Etihad Airways Logo
19:25 - 06:40
SIN
-
LHR
19h 15m1 stop
Etihad Airways Logo
08:50 - 09:35
LHR
-
SIN
16h 45m1 stop
£507Etihad Airways
Fri, 13 Feb - Fri, 20 Feb
Etihad Airways Logo
19:25 - 18:10
SIN
-
LHR
30h 45m1 stop
Etihad Airways Logo
20:55 - 09:35
LHR
-
SIN
28h 40m1 stop
£513Etihad Airways
Mon, 12 Jan - Mon, 19 Jan
Air China Logo
02:55 - 20:15
MNL
-
LHR
24h 20m1 stop
Air China Logo
20:25 - 00:20
LHR
-
MNL
20h 55m1 stop
£557Air China
Wed, 13 May - Mon, 18 May
Air China Logo
02:55 - 20:15
MNL
-
LHR
24h 20m1 stop
Air China Logo
22:00 - 01:30
LHR
-
MNL
20h 30m1 stop
£558Air China
Mon, 4 May - Tue, 19 May
Singapore Airlines Logo
14:00 - 07:45
SZB
-
LHR
24h 45m1 stop
Singapore Airlines Logo
20:35 - 13:10
LHR
-
SZB
33h 35m1 stop
£941Singapore Airlines
Fri, 22 May - Fri, 17 Jul
Singapore Airlines Logo
14:00 - 05:55
SZB
-
LHR
22h 55m1 stop
Singapore Airlines Logo
22:05 - 13:10
LHR
-
SZB
32h 05m1 stop
£943Singapore Airlines
Sat, 6 Jun - Sun, 6 Sep

Turkish Airlines flights from Southeast Asia to London Heathrow Airport

Our best Turkish Airlines deals on Southeast Asia to London Heathrow Airport flight tickets
Turkish Airlines
11 May
KUL09:50Kuala Lumpur Intl
30h 45m
1 stop
LHR09:35London Heathrow
8 Jun
LHR22:35London Heathrow
50h 35m
1 stop
KUL08:10Kuala Lumpur Intl
£432
Find similar
Turkish Airlines
24 Mar
KUL10:05Kuala Lumpur Intl
38h 00m
1 stop
LHR16:05London Heathrow
31 Mar
LHR22:35London Heathrow
50h 35m
1 stop
KUL08:10Kuala Lumpur Intl
£441
Find similar
Turkish Airlines
4 May
KUL09:50Kuala Lumpur Intl
38h 05m
1 stop
LHR16:55London Heathrow
25 May
LHR22:35London Heathrow
50h 35m
1 stop
KUL08:10Kuala Lumpur Intl
£445
Find similar

KLM flights from Southeast Asia to London Heathrow Airport

Our best KLM deals on Southeast Asia to London Heathrow Airport flight tickets
KLM
20 Jan
KUL23:50Kuala Lumpur Intl
18h 55m
1 stop
LHR10:45London Heathrow
27 Jan
LHR17:05London Heathrow
14h 35m
1 stop
KUL15:40Kuala Lumpur Intl
£442
Find similar
KLM
20 Jan
KUL23:50Kuala Lumpur Intl
25h 10m
1 stop
LHR17:00London Heathrow
27 Jan
LHR15:45London Heathrow
19h 00m
2 stops
KUL18:45Kuala Lumpur Intl
£450
Find similar
KLM
2 Feb
KUL23:50Kuala Lumpur Intl
27h 25m
1 stop
LHR19:15London Heathrow
9 Feb
LHR15:45London Heathrow
19h 00m
2 stops
KUL18:45Kuala Lumpur Intl
£490
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Southeast Asia to London Heathrow Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 21 December 2025.
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

Mon 11/5

09:50-09:35

1 stop30h 45m

London Heathrow

Mon 8/6

22:35-08:10

1 stop50h 35m

£432

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Tue 24/3

10:05-16:05

1 stop38h 00m

London Heathrow

Tue 31/3

22:35-08:10

1 stop50h 35m

£441

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 4/3

11:25-18:35

1 stop38h 10m

London Heathrow

Thu 12/3

22:00-11:25

1 stop30h 25m

£485

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 10/2

02:50-14:00

1 stop18h 10m

London Heathrow

Sat 7/3

22:00-11:25

1 stop30h 25m

£486

SingaporeLondon

SIN - LHR

SINLHR

Singapore Changi

Fri 13/2

19:25-06:40

1 stop19h 15m

London Heathrow

Fri 20/2

08:50-09:35

1 stop16h 45m

£507

SingaporeLondon

SIN - LHR

SINLHR

Singapore Changi

Mon 12/1

19:25-18:10

1 stop30h 45m

London Heathrow

Mon 19/1

20:55-09:35

1 stop28h 40m

£513

ManilaLondon

MNL - LHR

MNLLHR

Manila Ninoy Aquino Intl

Wed 13/5

02:55-20:15

1 stop24h 20m

London Heathrow

Mon 18/5

20:25-00:20

1 stop20h 55m

£557

ManilaLondon

MNL - LHR

MNLLHR

Manila Ninoy Aquino Intl

Mon 4/5

02:55-20:15

1 stop24h 20m

London Heathrow

Tue 19/5

22:00-01:30

1 stop20h 30m

£558

Kuala LumpurLondon

SZB - LHR

SZBLHR

Kuala Lumpur Subang

Fri 22/5

14:00-07:45

1 stop24h 45m

London Heathrow

Fri 17/7

20:35-13:10

1 stop33h 35m

£941

Kuala LumpurLondon

SZB - LHR

SZBLHR

Kuala Lumpur Subang

Sat 6/6

14:00-05:55

1 stop22h 55m

London Heathrow

Sun 6/9

22:05-13:10

1 stop32h 05m

£943

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to London from

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?

In general, November is the cheapest month to fly from Southeast Asia to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £672. The month of March is another great option to travel to London Heathrow Airport, with average flight prices from Southeast Asia averaging around £729.

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

On average, the least expensive day to fly to London Heathrow Airport from Southeast Asia is on a Monday. momondo users have found tickets for Monday departures for as low as £757. However, this price may fluctuate depending on the airline, the season, and holidays. 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 London Heathrow Airport on Saturday is £817.

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 £630. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £840 on average. Flights to London Heathrow Airport from Southeast Asia in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 £758 when searching weeks before you fly. 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 £697 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?

You could potentially save up to 15% on your flight if you consider stops on a Southeast Asia to London Heathrow Airport flight.

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 35m

Direct flights

Every day
The fastest flight from Southeast Asia to London Heathrow Airport takes 12h 35m
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 are refreshed on a daily basis.

  • 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?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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?

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
China SouthernPriceFrom £238Free CancellationRating
7.5
122 reviews
Search China Southern flights
LufthansaPriceFrom £278Free CancellationRating
6.8
7,640 reviews
Search Lufthansa flights
Oman AirPriceFrom £288Free CancellationRating
8.0
113 reviews
Search Oman Air flights
Air IndiaPriceFrom £365Free CancellationRating
5.5
2,954 reviews
Search Air India flights
Shenzhen AirlinesPriceFrom £441Free CancellationRating
7.6
22 reviews
Search Shenzhen Airlines flights
Austrian AirlinesPriceFrom £455Free CancellationRating
7.6
880 reviews
Search Austrian Airlines flights
Turkish AirlinesPriceFrom £456Free CancellationRating
7.3
4,107 reviews
Search Turkish Airlines flights
Air ChinaPriceFrom £495Free CancellationRating
7.2
131 reviews
Search Air China flights
China EasternPriceFrom £502Free CancellationRating
7.2
179 reviews
Search China Eastern flights
Kuwait AirwaysPriceFrom £513Free CancellationRating
7.2
322 reviews
Search Kuwait Airways flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Northampton
Swindon
Stratford-upon-Avon
Southend-on-Sea
Canterbury
Ipswich
Ilford
Poole
Guildford
Swanage
Hayes
Chelmsford
Dover
Worthing

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Southeast Asia to London . Millions of users trust and use momondo every year so you are in good hands.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight 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?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Southeast Asia and alert you when they change.

An easier way to manage your London Heathrow Airport 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
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 20/1
Tue 27/1
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London