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$395+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BKK
Feb 28 — Mar 71
Fri 2/28
Fri 3/7
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 February 23, 2025.

Round-trip from

$566
(oojo)

One-way from

$395
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$746
From London Heathrow to Southeast Asia
Search Deals
One-way flight from London Heathrow to Southeast Asia
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($182 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 23, 2025.

This oojo deal was found by Cheapflights users on 2/23. 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.
Tue 3/45:40 pmLHR - MNL
1 stop22h 25mAir China
Tue 3/256:20 amMNL - LHR
1 stop17h 35mAir China
Deal found 2/23$566
This oojo deal was found by Cheapflights users on 2/23. 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.
Sun 6/110:10 pmLHR - MNL
1 stop18h 05mChina Southern
Thu 6/198:20 amMNL - LHR
1 stop17h 40mChina Southern
Deal found 2/23$567
This Shenzhen Airlines deal was found by Cheapflights users on 2/22. 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 Shenzhen Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/99:10 pmLHR - HAN
1 stop33h 45mShenzhen Airlines
Thu 3/202:15 amHAN - LHR
1 stop23h 55mShenzhen Airlines
Deal found 2/22$597
This Mytrip deal was found by Cheapflights users on 2/22. 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.
Thu 6/510:40 pmLHR - CGK
1 stop19h 35mAir China
Sun 6/151:45 amCGK - LHR
1 stop24h 45mAir China
Deal found 2/22$597
This Mytrip deal was found by Cheapflights users on 2/22. 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.
Tue 4/110:40 pmLHR - BKK
1 stop19h 30mAir China
Mon 4/74:10 amBKK - LHR
2 stops22h 20mAir China
Deal found 2/22$605
This SmartFares deal was found by Cheapflights users on 2/22. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2210:10 pmLHR - BKK
1 stop17h 50mChina Southern
Tue 5/136:05 pmBKK - LHR
1 stop30h 55mChina Southern
Deal found 2/22$609
This Gotogate deal was found by Cheapflights users on 2/22. 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.
Mon 3/38:25 pmLHR - SGN
1 stop23h 20mAir China
Mon 3/175:00 amSGN - LHR
1 stop17h 55mAir China
Deal found 2/22$612
This China Southern deal was found by Cheapflights users on 2/22. 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.
Tue 3/119:30 pmLHR - SGN
2 stops21h 10mChina Southern
Tue 4/13:40 pmSGN - LHR
1 stop33h 20mChina Southern
Deal found 2/22$616
This Gotogate deal was found by Cheapflights users on 2/21. 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.
Mon 4/215:50 pmLHR - CGK
2 stops31h 45mSAUDIA
Wed 4/305:30 pmCGK - LHR
2 stops26h 45mSAUDIA
Deal found 2/21$616
This FlightHub deal was found by Cheapflights users on 2/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/65:50 pmLHR - BKK
1 stop24h 05mChina Eastern
Tue 3/181:55 amBKK - LHR
1 stop19h 00mChina Eastern
Deal found 2/22$618
This Gotogate deal was found by Cheapflights users on 2/22. 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.
Mon 3/245:40 pmLHR - HAN
1 stop35h 15mAir China
Mon 3/311:25 pmHAN - LHR
1 stop37h 05mAir China
Deal found 2/22$619
This China Southern deal was found by Cheapflights users on 2/22. 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.
Sat 3/159:30 pmLHR - SIN
2 stops30h 40mChina Southern
Sat 3/221:30 pmSIN - LHR
1 stop36h 45mChina Southern
Deal found 2/22$627

Find flights from Heathrow to Southeast Asia within your budget

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 February 23, 2025.

Fly from

Heathrow

Fly to

Southeast Asia

Route

Depart

Return

Price

LondonManila

LHR - MNL

LHRMNL

London Heathrow

Sun 6/1

10:10 pm-11:15 pm

1 stop18h 05m

Manila Ninoy Aquino Intl

Thu 6/19

8:20 am-7:00 pm

1 stop17h 40m

$567

LondonManila

LHR - MNL

LHRMNL

London Heathrow

Thu 5/8

10:00 pm-1:30 am

1 stop20h 30m

Manila Ninoy Aquino Intl

Wed 5/21

2:55 am-8:15 pm

1 stop24h 20m

$568

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sun 3/9

9:10 pm-1:15 am

1 stop21h 05m

Hanoi Noibai

Fri 4/4

6:40 pm-7:50 pm

1 stop31h 10m

$597

LondonJakarta

LHR - CGK

LHRCGK

London Heathrow

Mon 4/21

5:50 pm-7:35 am

2 stops31h 45m

Jakarta Soekarno-Hatta Intl

Wed 4/30

5:30 pm-2:15 pm

2 stops26h 45m

$616

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Thu 3/6

9:00 pm-12:20 pm

1 stop32h 20m

Bangkok Suvarnabhumi

Wed 3/19

1:35 pm-1:55 pm

1 stop31h 20m

$618

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Thu 3/20

9:00 am-9:35 am

1 stop16h 35m

Singapore Changi

Tue 4/8

9:10 pm-7:00 am

1 stop16h 50m

$634

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Thu 3/20

9:30 am-9:15 am

1 stop16h 45m

Bangkok Suvarnabhumi

Tue 5/20

7:40 pm-3:20 pm

1 stop25h 40m

$637

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Thu 3/13

7:05 am-7:15 am

1 stop17h 10m

Bangkok Suvarnabhumi

Sun 3/16

11:30 am-1:55 pm

3 stops33h 25m

$648

LondonManila

LHR - MNL

LHRMNL

London Heathrow

Tue 4/29

8:05 pm-11:20 pm

2 stops44h 15m

Manila Ninoy Aquino Intl

Wed 5/21

6:30 pm-7:20 pm

2 stops31h 50m

$649

LondonKuala Lumpur

LHR - KUL

LHRKUL

London Heathrow

Tue 6/10

1:15 pm-8:55 pm

1 stop24h 40m

Kuala Lumpur Intl

Mon 6/30

8:05 am-7:00 pm

1 stop17h 55m

$681

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/22

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.

Travel insights for flights from Heathrow to Southeast Asia

Get recent, data-driven insights about flights from Heathrow to Southeast Asia including ideal travel times, pricing trends, and more.

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

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Southeast Asia (average of $976). Flying from London Heathrow Airport to Southeast Asia in June is currently the most expensive (average of $1,580). 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 February 23, 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 February 23, 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 February 23, 2025.
Read reviews from past customers who have flown EVA Air, China Airlines and Garuda Indonesia 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
1,200 reviews

Boarding

8.4

Comfort

8.2

Entertainment

8.0

Crew

8.6

Food

8.0

Overall

8.4

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
1,200 reviews
EVA Air
8.4
Very good
1,200 reviews

Boarding

8.4

Comfort

8.2

Entertainment

8.0

Crew

8.6

Food

8.0

Overall

8.4

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
726 reviews
EVA Air
8.4
Very good
1,200 reviews

Boarding

8.4

Comfort

8.2

Entertainment

8.0

Crew

8.6

Food

8.0

Overall

8.4

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
76 reviews
EVA Air
8.4
Very good
1,200 reviews

Boarding

8.4

Comfort

8.2

Entertainment

8.0

Crew

8.6

Food

8.0

Overall

8.4

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.

Singapore Airlines
8.1
Very good
1,297 reviews
EVA Air
8.4
Very good
1,200 reviews

Boarding

8.4

Comfort

8.2

Entertainment

8.0

Crew

8.6

Food

8.0

Overall

8.4

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 China Eastern, with whom users have recently found tickets for as low as $403. However, be on the lookout for offers from Singapore Airlines and Shenzhen Airlines, 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: Air Canada (59%), Thai Airways (51%), EVA Air( 43%).

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

    On average you can expect to pay $1,458 for a flight from London Heathrow Airport to Southeast Asia. The cheapest flight overall is $459 while the most popular route, (London Heathrow - Bangkok Suvarnabhumi) is currently priced at $546.

  • 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, February is the cheapest month in which you can book a flight from London Heathrow Airport to Southeast Asia (average of $976). Flying from London Heathrow Airport to Southeast Asia in June is currently the most expensive (average of $1,580). 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

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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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Gatwick to Singapore flights
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London City to New Delhi flights
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Gatwick to Hong Kong flights
Heathrow to Cochin flights
Heathrow to Chennai flights
Heathrow to Pu Dong flights
Heathrow to Soekarno-Hatta Intl 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 February 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest$450Average$688FlexibilityNo cancel feeOn-time69%
Shenzhen AirlinesCheapest$457Average$581FlexibilityNo cancel feeOn-time63%
Gulf AirCheapest$514Average$765FlexibilityNo cancel feeOn-time67%
China EasternCheapest$520Average$736FlexibilityNo cancel feeOn-time62%
Air IndiaCheapest$590Average$808FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$639Average$896FlexibilityNo cancel feeOn-time77%
Etihad AirwaysCheapest$649Average$896FlexibilityNo cancel feeOn-time75%
Kuwait AirwaysCheapest$673Average$819FlexibilityNo cancel feeOn-time64%
SWISSCheapest$679Average$895FlexibilityNo cancel feeOn-time79%
Oman AirCheapest$682Average$825FlexibilityNo cancel feeOn-time76%
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