Cheap flights from Southeast Asia to London Heathrow Airport from £171

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 23/12. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — LHR
10 Jan — 17 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southeast Asia to Heathrow

Enter your travel dates to find the best prices.

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 11 December 2025.

Sat 20/1202:40SGN - LHR
1 stop18h 20mChina Southern
Sun 11/117:15LHR - SGN
1 stop25h 25mChina Southern
Deal found 9/12£451
Thu 18/1216:55SGN - LHR
2 stops31h 35mMultiple Airlines
Sun 11/121:10LHR - SGN
1 stop21h 40mMultiple Airlines
Deal found 9/12£452
Tue 23/1211:55SGN - LHR
2 stops33h 05mChina Southern
Tue 20/122:00LHR - SGN
1 stop17h 10mChina Southern
Deal found 8/12£456
Mon 15/1213:10SGN - LHR
2 stops36h 25mChina Southern
Sun 11/117:15LHR - SGN
1 stop25h 25mChina Southern
Deal found 9/12£459
Wed 24/1213:10SGN - LHR
2 stops36h 25mChina Southern
Mon 19/122:00LHR - SGN
1 stop17h 10mChina Southern
Deal found 8/12£466
Thu 18/1216:55SGN - LHR
2 stops31h 35mChina Eastern
Thu 8/121:00LHR - SGN
1 stop21h 10mChina Eastern
Deal found 9/12£473
Wed 24/1216:10SGN - LHR
1 stop33h 25mChina Southern
Fri 16/121:30LHR - SGN
2 stops21h 10mChina Southern
Deal found 8/12£479
Thu 18/1216:55SGN - LHR
2 stops31h 35mMultiple Airlines
Thu 8/120:25LHR - SGN
1 stop21h 45mMultiple Airlines
Deal found 9/12£483
Sat 20/1216:10SGN - LHR
2 stops28h 50mChina Southern
Wed 21/122:00LHR - SGN
1 stop20h 20mChina Southern
Deal found 8/12£485
Tue 30/1205:00SGN - LHR
1 stop17h 55mMultiple Airlines
Sat 10/121:10LHR - SGN
1 stop21h 40mMultiple Airlines
Deal found 10/12£486
Tue 23/1205:00SGN - LHR
1 stop17h 55mMultiple Airlines
Mon 19/121:10LHR - SGN
1 stop21h 40mMultiple Airlines
Deal found 8/12£488
Sat 27/1211:10BKK - LHR
1 stop37h 45mMultiple Airlines
Fri 9/120:25LHR - BKK
1 stop20h 45mMultiple Airlines
Deal found 10/12£497

Find 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 11 December 2025.

Round-trip from

£431

One-way from

£171
Turkish Airlines
  • Turkish Airlines
  • 3/3-10/3
  • 2 total stops
  • 78h 40m total
  • Southeast Asia to London
Scandinavian Airlines
  • Scandinavian Airlines
  • 23/12
  • 1 total stop
  • 27h 35m total
  • Southeast Asia to London

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southeast Asia to Heathrow 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, Cheapflights users made 858,174 searches. Data last updated 11 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

Southeast Asia

Fly to

Heathrow

Route

Depart

Return

Price

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Wed 25/3

10:05-21:05

1 stop19h 00m

London Heathrow

Tue 31/3

06:30-08:10

1 stop18h 40m

£482

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Tue 27/1

10:05-22:25

1 stop20h 20m

London Heathrow

Tue 3/2

06:35-08:25

1 stop17h 50m

£482

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 11/3

20:50-11:05

1 stop21h 15m

London Heathrow

Wed 18/3

22:00-20:20

1 stop15h 20m

£499

SingaporeLondon

SIN - LHR

SINLHR

Singapore Changi

Thu 30/4

21:35-17:05

1 stop26h 30m

London Heathrow

Tue 26/5

07:30-18:30

1 stop28h 00m

£515

PenangLondon

PEN - LHR

PENLHR

Penang Intl

Sat 24/1

05:50-15:25

1 stop17h 35m

London Heathrow

Sat 31/1

21:25-00:20

1 stop18h 55m

£517

JakartaLondon

CGK - LHR

CGKLHR

Jakarta Soekarno-Hatta Intl

Sun 10/5

04:15-16:35

1 stop18h 20m

London Heathrow

Thu 21/5

11:00-17:35

1 stop24h 35m

£518

JakartaLondon

CGK - LHR

CGKLHR

Jakarta Soekarno-Hatta Intl

Thu 7/5

19:50-16:35

1 stop26h 45m

London Heathrow

Mon 18/5

11:00-10:15

1 stop17h 15m

£518

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Sun 10/5

08:55-19:30

1 stop17h 35m

London Heathrow

Thu 21/5

09:25-08:05

1 stop15h 40m

£519

Ho Chi Minh CityLondon

SGN - LHR

SGNLHR

Ho Chi Minh City

Mon 2/2

04:40-17:30

1 stop19h 50m

London Heathrow

Wed 25/2

21:00-01:10

1 stop21h 10m

£524

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Fri 13/3

10:05-22:25

1 stop20h 20m

London Heathrow

Tue 17/3

16:35-17:20

1 stop16h 45m

£528

Flights are sorted by cheapest return flights first.

Deals found on 9/12

Showing 1-10 of 60 results
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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, March is the cheapest month in which you can book a flight from Southeast Asia to London Heathrow Airport (average of £306). Flying from Southeast Asia to London Heathrow Airport in July is currently the most expensive (average of £541). 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?

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 11 December 2025.

When flying from Southeast Asia to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 44% versus a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly return from Southeast Asia to Heathrow. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Southeast Asia to London Heathrow Airport flight should consider departing on Saturday afternoons when fares are most often at their lowest. Thursday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Southeast Asia to London Heathrow Airport

Explore weekly flight availability from Southeast Asia to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 11 December 2025.

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 insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 11 December 2025.
Read through reviews of airlines operating flights from Southeast Asia to London Heathrow Airport, such as Emirates, Singapore Airlines, andQatar Airways. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

8.2

Overall

8.1

Crew

8.3

Comfort

8.0

Food

7.9

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

ATH - EWR

Smooth flight, good entertainment choices. Bad legroom in economy and mediocre food.

Entertainment

8.2

Overall

8.1

Crew

8.3

Comfort

8.0

Food

7.9

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

ATH - EWR

Smooth flight, good entertainment choices. Bad legroom in economy and mediocre food.

Entertainment

8.2

Overall

8.1

Crew

8.3

Comfort

8.0

Food

7.9

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

ATH - EWR

Smooth flight, good entertainment choices. Bad legroom in economy and mediocre food.

Entertainment

8.2

Overall

8.1

Crew

8.3

Comfort

8.0

Food

7.9

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

ATH - EWR

Smooth flight, good entertainment choices. Bad legroom in economy and mediocre food.

Entertainment

8.2

Overall

8.1

Crew

8.3

Comfort

8.0

Food

7.9

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

ATH - EWR

Smooth flight, good entertainment choices. Bad legroom in economy and mediocre food.

Entertainment

8.2

Overall

8.1

Crew

8.3

Comfort

8.0

Food

7.9

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

ATH - EWR

Smooth flight, good entertainment choices. Bad legroom in economy and mediocre food.

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?

    Airlines like Turkish Airlines, Malaysia Airlines, and Air India fly from Southeast Asia to London Heathrow Airport in about 14h 10m. The time it takes to get you to your destination can typically vary by up to 7h 05m. The distance from Southeast Asia to London Heathrow Airport is about 6585 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    One-way options have recently been found by users for as low as £134 on Etihad Airways. Other airlines that offer cheap prices include China Eastern from £141 and Oman Air from £156 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?

    Before booking your flight to London Heathrow Airport from Southeast Asia, check out the most reliable airlines to get you to your destination on time: Air Canada (95%), Thai Airways (86%), EVA Air( 81%).

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

    On average you can expect to pay £861 for a flight from Southeast Asia to London Heathrow Airport. The cheapest flight overall is £330 while the most popular route, (Kuala Lumpur Intl - London Heathrow) is currently priced at £437.

  • 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, March is the cheapest month in which you can book a flight from Southeast Asia to London Heathrow Airport (average of £306). Flying from Southeast Asia to London Heathrow Airport in July is currently the most expensive (average of £541). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Northampton
Hounslow
Luton
Gatwick
Wembley
Ilford
Brentford
Colchester
Watford
Hayes
Crawley
Winchester
Swindon
Deal
Bedford
Romford
Chichester

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Southeast Asia to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Southeast Asia to Heathrow

Discover the top 10 airlines that operate flights from Southeast Asia to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 11 December 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£239Average£552FlexibilityNo cancel feeOn-time69%
Search China Southern flights
LufthansaCheapest£279Average£766FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Oman AirCheapest£289Average£706FlexibilityNo cancel feeOn-time76%
Search Oman Air flights
Air IndiaCheapest£366Average£656FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Shenzhen AirlinesCheapest£443Average£569FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Austrian AirlinesCheapest£456Average£677FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Turkish AirlinesCheapest£457Average£557FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Air ChinaCheapest£495Average£571FlexibilityNo cancel feeOn-time67%
Search Air China flights
China EasternCheapest£504Average£585FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Kuwait AirwaysCheapest£515Average£641FlexibilityNo cancel feeOn-time64%
Search Kuwait Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights makes it easy to find Southeast Asia to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights helps you find that perfect flight to Heathrow from Southeast Asia by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes, we can. To see specific flights from Southeast Asia to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Southeast Asia today and book when prices fit your budget.

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