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Cheap flights from Southeast Asia to London from £232

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 25/12. 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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Cheap return flights

China Southern Logo
02:10 - 19:00SGN-LHR
22h 50m2 stops
China Southern Logo
17:15 - 01:40LHR-SGN
25h 25m1 stop
£445China Southern
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Wed, 8 Oct - Sun, 26 Oct
China Southern Logo
08:15 - 18:35HAN-LHR
17h 20m1 stop
China Southern Logo
22:00 - 18:40LHR-HAN
37h 40m1 stop
£457China Southern
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Sat, 7 Mar - Wed, 11 Mar
Etihad Airways Logo
09:50 - 15:15KUL-LHR
36h 25m1 stop
Etihad Airways Logo
13:55 - 08:05LHR-KUL
34h 10m1 stop
£462Etihad Airways
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Sat, 11 Oct - Mon, 27 Oct
Etihad Airways Logo
09:35 - 14:30KUL-LHR
36h 55m1 stop
Etihad Airways Logo
13:55 - 19:35LHR-KUL
21h 40m1 stop
£463Etihad Airways
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Fri, 14 Nov - Mon, 24 Nov
Qatar Airways Logo
03:10 - 13:15SIN-LHR
17h 05m1 stop
Qatar Airways Logo
08:25 - 08:45LHR-SIN
16h 20m1 stop
£521Qatar Airways
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Wed, 15 Oct - Thu, 30 Oct
Qatar Airways Logo
03:10 - 13:15SIN-LHR
17h 05m1 stop
Qatar Airways Logo
16:00 - 15:45LHR-SIN
16h 45m1 stop
£521Qatar Airways
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Tue, 30 Sep - Thu, 9 Oct
SAUDIA Logo
15:40 - 07:30MNL-LHR
22h 50m1 stop
SAUDIA Logo
10:00 - 13:50LHR-MNL
20h 50m1 stop
£562SAUDIA
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Mon, 6 Oct - Sun, 12 Oct
SAUDIA Logo
23:30 - 14:50MNL-LHR
22h 20m1 stop
SAUDIA Logo
10:00 - 13:50LHR-MNL
20h 50m1 stop
£565SAUDIA
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Tue, 7 Oct - Sun, 12 Oct
Emirates Logo
22:30 - 16:10PEN-LHR
24h 40m1 stop
Emirates Logo
19:00 - 15:20LHR-PEN
36h 20m1 stop
£580Emirates
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Wed, 8 Oct - Tue, 9 Dec
Emirates Logo
22:30 - 16:10PEN-LHR
24h 40m1 stop
Emirates Logo
15:50 - 15:20LHR-PEN
15h 30m1 stop
£585Emirates
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Wed, 8 Oct - Tue, 9 Dec

Malaysia Airlines flights from Southeast Asia to London Heathrow Airport

Our best Malaysia Airlines deals on Southeast Asia to London Heathrow Airport flight tickets
Malaysia Airlines
21 Nov
KUL09:15Kuala Lumpur Intl
14h 10m
LHR15:25London Heathrow
2 Dec
LHR21:25London Heathrow
12h 55m
KUL18:20Kuala Lumpur Intl
£499
Find similar
Malaysia Airlines
4 Mar
PEN05:50Penang Intl
17h 35m
1 stop
LHR15:25London Heathrow
22 Apr
LHR11:00London Heathrow
24h 35m
1 stop
PEN18:35Penang Intl
£541
Find similar
Malaysia Airlines
12 Mar
PEN05:50Penang Intl
17h 35m
1 stop
LHR15:25London Heathrow
16 Mar
LHR10:25London Heathrow
17h 25m
1 stop
PEN11:50Penang Intl
£548
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China Eastern flights from Southeast Asia to London Heathrow Airport

Our best China Eastern deals on Southeast Asia to London Heathrow Airport flight tickets
China Eastern
15 Dec
SGN02:10Ho Chi Minh City
22h 20m
1 stop
LHR17:30London Heathrow
1 Jan
LHR21:00London Heathrow
21h 10m
1 stop
SGN01:10Ho Chi Minh City
£514
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China Eastern
17 Dec
SGN02:10Ho Chi Minh City
22h 20m
1 stop
LHR17:30London Heathrow
6 Jan
LHR21:00London Heathrow
36h 00m
2 stops
SGN16:00Ho Chi Minh City
£516
Find similar
China Eastern
30 Sept
BKK02:10Bangkok Suvarnabhumi
22h 30m
1 stop
LHR18:40London Heathrow
12 Jan
LHR21:00London Heathrow
18h 25m
1 stop
BKK22:25Bangkok Suvarnabhumi
£535
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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 17 September 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

Ho Chi Minh CityLondon

SGN - LHR

SGNLHR

Ho Chi Minh City

Wed 8/10

02:10-19:00

2 stops22h 50m

London Heathrow

Sun 26/10

17:15-01:40

1 stop25h 25m

£445

HanoiLondon

HAN - LHR

HANLHR

Hanoi Noibai

Sat 7/3

08:15-18:35

1 stop17h 20m

London Heathrow

Wed 11/3

22:00-18:40

1 stop37h 40m

£457

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Sat 11/10

09:50-15:15

1 stop36h 25m

London Heathrow

Mon 27/10

13:55-08:05

1 stop34h 10m

£462

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Fri 14/11

09:35-14:30

1 stop36h 55m

London Heathrow

Mon 24/11

13:55-19:35

1 stop21h 40m

£463

SingaporeLondon

SIN - LHR

SINLHR

Singapore Changi

Wed 15/10

03:10-13:15

1 stop17h 05m

London Heathrow

Thu 30/10

08:25-08:45

1 stop16h 20m

£521

SingaporeLondon

SIN - LHR

SINLHR

Singapore Changi

Tue 30/9

03:10-13:15

1 stop17h 05m

London Heathrow

Thu 9/10

16:00-15:45

1 stop16h 45m

£521

ManilaLondon

MNL - LHR

MNLLHR

Manila Ninoy Aquino Intl

Mon 6/10

15:40-07:30

1 stop22h 50m

London Heathrow

Sun 12/10

10:00-13:50

1 stop20h 50m

£562

ManilaLondon

MNL - LHR

MNLLHR

Manila Ninoy Aquino Intl

Tue 7/10

23:30-14:50

1 stop22h 20m

London Heathrow

Sun 12/10

10:00-13:50

1 stop20h 50m

£565

PenangLondon

PEN - LHR

PENLHR

Penang Intl

Wed 8/10

22:30-16:10

1 stop24h 40m

London Heathrow

Tue 9/12

19:00-15:20

1 stop36h 20m

£580

PenangLondon

PEN - LHR

PENLHR

Penang Intl

Wed 8/10

22:30-16:10

1 stop24h 40m

London Heathrow

Tue 9/12

15:50-15:20

1 stop15h 30m

£585

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

In general, March 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 £700. The month of May is another great option to travel to London Heathrow Airport, with average flight prices from Southeast Asia averaging around £721.

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 £746. 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 £813.

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 £618. 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 £815 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 Singapore Changi 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 £750 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 £675 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 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 £234Free CancellationRating
7.5
110 reviews
Search China Southern flights
Air IndiaPriceFrom £342Free CancellationRating
5.5
2,930 reviews
Search Air India flights
Shenzhen AirlinesPriceFrom £433Free CancellationRating
7.5
20 reviews
Search Shenzhen Airlines flights
Austrian AirlinesPriceFrom £446Free CancellationRating
7.6
850 reviews
Search Austrian Airlines flights
Turkish AirlinesPriceFrom £447Free CancellationRating
7.3
3,968 reviews
Search Turkish Airlines flights
SWISSPriceFrom £481Free CancellationRating
7.6
1,737 reviews
Search SWISS flights
Gulf AirPriceFrom £482Free CancellationRating
7.1
209 reviews
Search Gulf Air flights
China EasternPriceFrom £482Free CancellationRating
7.2
166 reviews
Search China Eastern flights
Air ChinaPriceFrom £485Free CancellationRating
7.3
101 reviews
Search Air China flights
LufthansaPriceFrom £488Free CancellationRating
6.8
7,407 reviews
Search Lufthansa flights

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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.

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