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Southeast Asia

$324+ Cheap flights from Heathrow (LHR) to Southeast Asia

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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BKK
abr. 22 — abr. 291
mar. 4/22
mar. 4/29
1 adult, Economy
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Cheap flight deals from Heathrow to Southeast Asia

Keep the following information in mind while searching for Heathrow to Southeast Asia flight deals. Data was last updated abril 17, 2025.

Round-trip from

$538
(Mytrip)

One-way from

$324
(Aegean Airlines)

Popular in

December

Cheapest in

November

Average price

$884
From London Heathrow to Southeast Asia
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One-way flight from London Heathrow to Southeast Asia
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Highest demand for flights based on searches. 4% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Heathrow to Southeast Asia

Cheapest flights from Heathrow to Southeast Asia
Explore the most affordable flight options available from Heathrow to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 17, 2025.

This Mytrip deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/35:50 pmLHR - CGK
2 stops22h 55mSAUDIA
mar. 5/612:40 amCGK - LHR
1 stop20h 10mSAUDIA
Deal found 4/17$538
This oojo deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/110:05 pmLHR - MNL
1 stop20h 35mShenzhen Airlines
jue. 6/122:55 amMNL - LHR
1 stop24h 05mShenzhen Airlines
Deal found 4/17$541
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/49:20 pmLHR - BKK
1 stop17h 35mChina Eastern
mié. 6/49:55 pmBKK - LHR
1 stop26h 45mChina Eastern
Deal found 4/17$560
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/1310:10 pmLHR - BKK
1 stop30h 10mChina Southern
mar. 6/177:00 pmBKK - LHR
1 stop30h 00mChina Southern
Deal found 4/17$564
This CheapOair deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/710:05 pmLHR - BKK
1 stop22h 10mShenzhen Airlines
mar. 6/33:15 amBKK - LHR
1 stop22h 45mShenzhen Airlines
Deal found 4/16$574
This Mytrip deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/810:00 pmLHR - MNL
1 stop20h 30mAir China
jue. 6/56:25 amMNL - LHR
1 stop18h 20mAir China
Deal found 4/17$586
This Mytrip deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/110:05 pmLHR - HAN
1 stop34h 00mShenzhen Airlines
dom. 6/83:05 pmHAN - LHR
1 stop34h 45mShenzhen Airlines
Deal found 4/17$588
This Mytrip deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/1110:10 pmLHR - SIN
1 stop31h 20mChina Southern
mié. 5/285:50 pmSIN - LHR
1 stop32h 10mChina Southern
Deal found 4/17$590
This China Southern deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Southern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/17:15 pmLHR - SGN
1 stop23h 55mChina Southern
vie. 6/208:00 amSGN - LHR
1 stop17h 00mChina Southern
Deal found 4/17$596
This Gotogate deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/710:10 amLHR - BKK
1 stop21h 35mSAUDIA
dom. 6/83:25 pmBKK - LHR
1 stop22h 05mSAUDIA
Deal found 4/16$598
This Mytrip deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/209:20 pmLHR - KUL
1 stop20h 35mChina Eastern
mar. 5/278:05 pmKUL - LHR
1 stop29h 35mChina Eastern
Deal found 4/17$604
This KLM deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/135:10 pmLHR - KUL
2 stops19h 15mKLM
jue. 5/2211:55 pmKUL - LHR
1 stop16h 05mKLM
Deal found 4/17$605

Cheapflights Fare Finder

Customize your flight search to find flights from Heathrow to Southeast Asia 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 2,558,603 searches. Data last updated abril 17, 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Southeast Asia that are best for you.

Fly from

Heathrow

Fly to

Southeast Asia

Route

Depart

Return

Price

LondonJakarta

LHR - CGK

LHRCGK

London Heathrow

sáb. 5/3

5:50 pm-10:45 pm

2 stops22h 55m

Jakarta Soekarno-Hatta Intl

mar. 5/6

12:40 am-2:50 pm

1 stop20h 10m

$538

LondonManila

LHR - MNL

LHRMNL

London Heathrow

dom. 6/1

10:05 pm-1:40 am

1 stop20h 35m

Manila Ninoy Aquino Intl

jue. 6/12

2:55 am-8:00 pm

1 stop24h 05m

$541

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

dom. 5/4

9:20 pm-8:55 pm

1 stop17h 35m

Bangkok Suvarnabhumi

mié. 6/4

9:55 pm-6:40 pm

1 stop26h 45m

$560

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

mar. 5/13

10:10 pm-10:20 am

1 stop30h 10m

Bangkok Suvarnabhumi

mar. 6/17

7:00 pm-7:00 pm

1 stop30h 00m

$564

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

mié. 5/7

10:05 pm-2:15 am

1 stop22h 10m

Bangkok Suvarnabhumi

mar. 6/3

3:15 am-8:00 pm

1 stop22h 45m

$574

LondonManila

LHR - MNL

LHRMNL

London Heathrow

jue. 5/8

10:00 pm-1:30 am

1 stop20h 30m

Manila Ninoy Aquino Intl

jue. 6/5

6:25 am-5:45 pm

1 stop18h 20m

$586

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

dom. 5/11

10:10 pm-12:30 pm

1 stop31h 20m

Singapore Changi

mié. 5/28

5:50 pm-7:00 pm

1 stop32h 10m

$590

LondonKuala Lumpur

LHR - KUL

LHRKUL

London Heathrow

mar. 5/13

5:10 pm-7:25 pm

2 stops19h 15m

Kuala Lumpur Intl

jue. 5/22

11:55 pm-9:00 am

1 stop16h 05m

$605

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

lun. 5/5

10:00 pm-10:00 am

2 stops30h 00m

Bangkok Suvarnabhumi

dom. 5/18

1:30 am-7:30 pm

2 stops24h 00m

$622

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

jue. 5/29

9:30 am-9:40 am

1 stop17h 10m

Singapore Changi

lun. 6/9

9:10 pm-7:00 am

1 stop16h 50m

$632

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 60 results
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Best time to book a flight from Heathrow to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from Heathrow with our price prediction graph.
Estimated round-trip 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 London Heathrow Airport to Southeast Asia

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

Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to Southeast Asia (average of $958). Flying from London Heathrow Airport to Southeast Asia in December is currently the most expensive (average of $1,574). 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 LHR to YJX?

Find hourly flight availability from Heathrow to Southeast Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 17, 2025.

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

Weekly flight availability from London Heathrow Airport to Southeast Asia

Explore weekly flight availability from Heathrow to Southeast Asia. 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 abril 17, 2025.

The most flights from LHR to zzYJX are scheduled on a Monday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

Rainfall in Southeast Asia by month

Plan your trip to Southeast Asia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Southeast Asia ranges from 0.4 - 15.7 inches per month. July is typically the wettest month, when rainfall can reach 15.7 in. February is typically the driest time to visit Southeast Asia when rainfall is around 0.4 in.

Temperature in Southeast Asia by month

Plan your trip to Southeast Asia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Southeast Asia, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 78.8 F).

Reviews of airlines servicing Southeast Asia

Get insights into the airlines that provide service to Southeast Asia. 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 Southeast Asia. Reviews last updated abril 17, 2025.
Read reviews from past customers who have flown EVA Air, China Airlines and Hainan Airlines from London to Southeast Asia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,177 reviews

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
EVA Air
8.4
Very good
1,177 reviews
EVA Air
8.4
Very good
1,177 reviews

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
China Airlines
8.2
Very good
729 reviews
EVA Air
8.4
Very good
1,177 reviews

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Hainan Airlines
8.1
Very good
37 reviews
EVA Air
8.4
Very good
1,177 reviews

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Garuda Indonesia
8.1
Very good
71 reviews
EVA Air
8.4
Very good
1,177 reviews

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Related info for your journey

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

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

    The cheapest airline one-way is Qantas Airways, with whom users have recently found tickets for as low as $389. However, be on the lookout for offers from China Southern and China Eastern, as they are both options that can get you from London Heathrow Airport to Southeast Asia for a low price.

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

    The most popular route from London Heathrow Airport to Southeast Asia is London Heathrow - Bangkok Suvarnabhumi. You may also consider London Heathrow - Langkawi or London Heathrow - Manila Ninoy Aquino Intl.

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

    Before booking your flight to Southeast Asia from London Heathrow Airport, check out the most reliable airlines to get you to your destination on time: Thai Airways (69%), Air Canada (68%), EVA Air( 62%).

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

    On average you can expect to pay $2,031 for a flight from London Heathrow Airport to Southeast Asia. The cheapest flight overall is $504 while the most popular route, (London Heathrow - Bangkok Suvarnabhumi) is currently priced at $564.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Southeast Asia 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 London Heathrow Airport to Southeast Asia?

    Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to Southeast Asia (average of $958). Flying from London Heathrow Airport to Southeast Asia in December is currently the most expensive (average of $1,574). 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.

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Alternative routes for Heathrow to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.
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Heathrow to Mumbai flights
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Heathrow to Hyderabad flights
Heathrow to Karachi flights

Top 10 airlines flying from Heathrow to Southeast Asia

Discover the top 10 airlines that operate flights from Heathrow to Southeast Asia. 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 2,558,603 searches. Data last updated abril 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
SAUDIACheapest$407Average$794FlexibilityNo cancel feeOn-time86%
Shenzhen AirlinesCheapest$457Average$574FlexibilityNo cancel feeOn-time63%
Gulf AirCheapest$514Average$760FlexibilityNo cancel feeOn-time67%
China EasternCheapest$520Average$706FlexibilityNo cancel feeOn-time62%
China SouthernCheapest$570Average$712FlexibilityNo cancel feeOn-time69%
Hainan AirlinesCheapest$586Average$636FlexibilityNo cancel feeOn-time61%
Air IndiaCheapest$603Average$950FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$620Average$930FlexibilityNo cancel feeOn-time70%
Kuwait AirwaysCheapest$674Average$859FlexibilityNo cancel feeOn-time64%
SWISSCheapest$679Average$958FlexibilityNo cancel feeOn-time79%

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