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Cheap flights from Southeast Asia to London from $230

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 12/25. 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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Find the cheapest flights from Southeast Asia to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
10:05 am - 9:05 pm
KUL
-
LHR
19h 00m1 stop
Turkish Airlines Logo
6:35 am - 8:25 am
LHR
-
KUL
41h 50m1 stop
$579Turkish Airlines
Wed, Jan 21 - Wed, Jan 28
KLM Logo
11:50 pm - 4:05 pm
KUL
-
LHR
24h 15m1 stop
KLM Logo
5:05 pm - 3:40 pm
LHR
-
KUL
14h 35m1 stop
$589KLM
Thu, Mar 12 - Fri, Mar 20
Turkish Airlines Logo
10:05 am - 10:25 pm
KUL
-
LHR
20h 20m1 stop
Turkish Airlines Logo
4:35 pm - 5:20 pm
LHR
-
KUL
40h 45m1 stop
$596Turkish Airlines
Sat, Jan 17 - Fri, Jan 23
KLM Logo
11:50 pm - 8:50 pm
KUL
-
LHR
29h 00m1 stop
KLM Logo
3:45 pm - 6:45 pm
LHR
-
KUL
19h 00m2 stops
$599KLM
Thu, Mar 12 - Fri, Mar 20
China Southern Logo
1:55 pm - 5:00 pm
BKK
-
LHR
34h 05m1 stop
China Southern Logo
5:15 pm - 1:40 am
LHR
-
BKK
25h 25m2 stops
$657China Southern
Sun, Feb 8 - Wed, Mar 18
China Southern Logo
1:55 pm - 6:35 pm
BKK
-
LHR
35h 40m1 stop
China Southern Logo
10:00 pm - 5:55 pm
LHR
-
BKK
36h 55m1 stop
$668China Southern
Thu, Mar 5 - Sun, Mar 8
China Eastern Logo
4:40 am - 5:30 pm
SGN
-
LHR
19h 50m1 stop
China Eastern Logo
9:20 pm - 1:35 am
LHR
-
SGN
22h 15m1 stop
$716China Eastern
Sun, Feb 8 - Wed, May 20
China Eastern Logo
4:40 am - 5:30 pm
SGN
-
LHR
19h 50m1 stop
China Eastern Logo
9:20 pm - 1:35 am
LHR
-
SGN
22h 15m1 stop
$726China Eastern
Sun, Feb 8 - Sun, May 17
Thai Airways Logo
7:00 pm - 6:40 am
RGN
-
LHR
18h 10m1 stop
Thai Airways Logo
9:35 pm - 6:00 pm
LHR
-
RGN
13h 55m1 stop
$1,250Thai Airways
Sat, Feb 14 - Thu, Feb 26
Singapore Airlines Logo
10:25 am - 7:40 am
RGN
-
LHR
27h 45m1 stop
Singapore Airlines Logo
8:35 pm - 9:25 am
LHR
-
RGN
30h 20m1 stop
$1,622Singapore Airlines
Wed, Jan 21 - Sun, Jan 25

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
Jan 21
KUL10:05 amKuala Lumpur Intl
19h 00m
1 stop
LHR9:05 pmLondon Heathrow
Jan 28
LHR6:35 amLondon Heathrow
41h 50m
1 stop
KUL8:25 amKuala Lumpur Intl
$579
Find similar
Turkish Airlines
Jan 17
KUL10:05 amKuala Lumpur Intl
20h 20m
1 stop
LHR10:25 pmLondon Heathrow
Jan 23
LHR4:35 pmLondon Heathrow
40h 45m
1 stop
KUL5:20 pmKuala Lumpur Intl
$596
Find similar
Turkish Airlines
Mar 16
KUL10:05 amKuala Lumpur Intl
36h 50m
1 stop
LHR2:55 pmLondon Heathrow
Mar 22
LHR4:35 pmLondon Heathrow
55h 50m
1 stop
KUL8:25 amKuala Lumpur Intl
$606
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
Mar 12
KUL11:50 pmKuala Lumpur Intl
24h 15m
1 stop
LHR4:05 pmLondon Heathrow
Mar 20
LHR5:05 pmLondon Heathrow
14h 35m
1 stop
KUL3:40 pmKuala Lumpur Intl
$589
Find similar
KLM
Mar 12
KUL11:50 pmKuala Lumpur Intl
29h 00m
1 stop
LHR8:50 pmLondon Heathrow
Mar 20
LHR3:45 pmLondon Heathrow
19h 00m
2 stops
KUL6:45 pmKuala Lumpur Intl
$599
Find similar
KLM
Dec 27
CGK7:25 pmJakarta Soekarno-Hatta Intl
19h 15m
2 stops
LHR7:40 amLondon Heathrow
Jan 10
LHR6:30 amLondon Heathrow
17h 50m
1 stop
CGK7:20 amJakarta Soekarno-Hatta Intl
$1,048
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated December 18, 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

Wed 1/21

10:05 am-9:05 pm

1 stop19h 00m

London Heathrow

Wed 1/28

6:35 am-8:25 am

1 stop41h 50m

$579

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Thu 3/12

11:50 pm-4:05 pm

1 stop24h 15m

London Heathrow

Fri 3/20

5:05 pm-3:40 pm

1 stop14h 35m

$589

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Sat 1/17

10:05 am-10:25 pm

1 stop20h 20m

London Heathrow

Fri 1/23

4:35 pm-5:20 pm

1 stop40h 45m

$596

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Thu 3/12

11:50 pm-8:50 pm

1 stop29h 00m

London Heathrow

Fri 3/20

3:45 pm-6:45 pm

2 stops19h 00m

$599

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 2/8

1:55 pm-5:00 pm

1 stop34h 05m

London Heathrow

Wed 3/18

5:15 pm-1:40 am

2 stops25h 25m

$657

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 3/5

1:55 pm-6:35 pm

1 stop35h 40m

London Heathrow

Sun 3/8

10:00 pm-5:55 pm

1 stop36h 55m

$668

Ho Chi Minh CityLondon

SGN - LHR

SGNLHR

Ho Chi Minh City

Sun 2/8

4:40 am-5:30 pm

1 stop19h 50m

London Heathrow

Wed 5/20

9:20 pm-1:35 am

1 stop22h 15m

$716

Ho Chi Minh CityLondon

SGN - LHR

SGNLHR

Ho Chi Minh City

Sun 2/8

4:40 am-5:30 pm

1 stop19h 50m

London Heathrow

Sun 5/17

9:20 pm-1:35 am

1 stop22h 15m

$726

YangonLondon

RGN - LHR

RGNLHR

Yangon Mingaladon

Sat 2/14

7:00 pm-6:40 am

1 stop18h 10m

London Heathrow

Thu 2/26

9:35 pm-6:00 pm

1 stop13h 55m

$1,250

YangonLondon

RGN - LHR

RGNLHR

Yangon Mingaladon

Wed 1/21

10:25 am-7:40 am

1 stop27h 45m

London Heathrow

Sun 1/25

8:35 pm-9:25 am

1 stop30h 20m

$1,622

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

The month of November is, on average, the cheapest month to fly to London Heathrow Airport from Southeast Asia, with most prices found around $899. If you’re not able to fly to London Heathrow Airport in November, then March is your next best option. Flight prices from Southeast Asia to London Heathrow Airport during March average around $975.

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

Our data shows that Sunday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $1,031. The most expensive day to fly to London Heathrow Airport is Tuesday, with ticket prices averaging around $1,162.

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 in the evening are often more expensive with an average ticket price of $1,348.

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 $1,014 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 $932 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

13h 00m

Direct flights

Every day
The fastest flight from Southeast Asia to London Heathrow Airport takes 13h 00m
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?

  • 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?

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
SAUDIAPriceFrom $374Free CancellationRating
7.4
647 reviews
Search SAUDIA flights
Qatar AirwaysPriceFrom $503Free CancellationRating
7.4
3,686 reviews
Search Qatar Airways flights
China SouthernPriceFrom $596Free CancellationRating
7.5
122 reviews
Search China Southern flights
Etihad AirwaysPriceFrom $626Free CancellationRating
7.4
1,333 reviews
Search Etihad Airways flights
LufthansaPriceFrom $627Free CancellationRating
6.8
7,637 reviews
Search Lufthansa flights
British AirwaysPriceFrom $638Free CancellationRating
6.7
7,586 reviews
Search British Airways flights
Air ChinaPriceFrom $655Free CancellationRating
7.1
129 reviews
Search Air China flights
China EasternPriceFrom $676Free CancellationRating
7.2
178 reviews
Search China Eastern flights
Turkish AirlinesPriceFrom $676Free CancellationRating
7.3
4,103 reviews
Search Turkish Airlines flights
Thai AirwaysPriceFrom $715Free CancellationRating
7.8
366 reviews
Search Thai Airways flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
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Milton Keynes
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Salisbury
Wembley
Watford
Ilford
Cobham
Folkestone
Romford
Richmond

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.

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