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Southeast Asia

$324+ Cheap flights from London (LON) 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.
LON — BKK
abr. 22 — abr. 291
mar. 4/22
mar. 4/29
1 adult, Economy
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Cheap flight deals from London to Southeast Asia

Keep the following information in mind while searching for London 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 (LON) to Southeast Asia
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One-way flight from London (LON) 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 London to Southeast Asia

Cheapest flights from London to Southeast Asia
Explore the most affordable flight options available from London 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 Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/2911:35 amLGW - BKK
1 stop18h 55mChina Eastern
lun. 6/91:35 pmBKK - LGW
1 stop23h 05mChina Eastern
Deal found 4/16$557
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 Air China 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 Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/1111:40 amLGW - BKK
1 stop30h 00mAir China
jue. 12/111:40 amBKK - LGW
1 stop36h 15mAir China
Deal found 4/16$582
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.
lun. 5/126:05 pmLGW - SIN
1 stop28h 20mChina Eastern
vie. 5/1611:10 pmSIN - LGW
1 stop22h 50mChina Eastern
Deal found 4/17$584
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/711:25 amLGW - SIN
1 stop17h 55mGulf Air
jue. 5/158:00 pmSIN - LGW
1 stop17h 55mGulf Air
Deal found 4/17$585
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

Cheapflights Fare Finder

Customize your flight search to find flights from London 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 to Southeast Asia that are best for you.

Fly from

London

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

LGW - BKK

LGWBKK

London Gatwick

jue. 5/29

11:35 am-12:30 pm

1 stop18h 55m

Bangkok Suvarnabhumi

lun. 6/9

1:35 pm-6:40 am

1 stop23h 05m

$557

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

LondonSingapore

LGW - SIN

LGWSIN

London Gatwick

mié. 5/7

11:25 am-12:20 pm

1 stop17h 55m

Singapore Changi

jue. 5/15

8:00 pm-6:55 am

1 stop17h 55m

$585

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

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

LGW - BKK

LGWBKK

London Gatwick

mar. 6/24

8:55 am-9:45 am

2 stops18h 50m

Bangkok Suvarnabhumi

mié. 7/9

11:40 pm-7:40 pm

2 stops26h 00m

$620

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

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

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from London 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 to Southeast Asia

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

Currently, March is the cheapest month in which you can book a flight from London to Southeast Asia (average of $958). Flying from London 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 LON to YJX?

Find hourly flight availability from London 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 to Southeast Asia as you normally would.

Weekly flight availability from London to Southeast Asia

Explore weekly flight availability from London 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 LON to zzYJX are scheduled on a Monday (9 on average). You will have fewer flight options on Tuesday, 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.
See what other customers who have flown with EVA Air, China Airlines and Hainan Airlines from London to Southeast Asia have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,177 reviews

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Overall

8.4

Crew

8.6

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

Comfort

8.3

Overall

8.4

Crew

8.6

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

Comfort

8.3

Overall

8.4

Crew

8.6

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

Comfort

8.3

Overall

8.4

Crew

8.6

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

Comfort

8.3

Overall

8.4

Crew

8.6

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 London 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 to Southeast Asia one-way?

    To fly one-way, consider booking your trip with Qantas Airways, which is currently one of the cheapest options available, starting at $389. China Southern flights start at $389 while deals on China Eastern start at $391 one-way.

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

    When deciding which route to take from London to Southeast Asia consider London Heathrow - Bangkok Suvarnabhumi, London Heathrow - Langkawi or London Gatwick - Bangkok Suvarnabhumi as they are the most popular.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London to Southeast Asia on time: Thai Airways (69%), Air Canada (68%), EVA Air (62%).

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

    On average you can expect to pay $2,031 for a flight from London 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 London to Southeast Asia that include hotel bookings?

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from London to Southeast Asia (average of $958). Flying from London 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.

See more FAQs

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Alternative routes for London 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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Heathrow to Bangalore flights
Heathrow to Mumbai flights
Heathrow to Yerevan flights
Heathrow to Lahore flights
Heathrow to Taiwan Taoyuan Intl flights
Heathrow to Karachi flights
Heathrow to Hyderabad flights

Top 10 airlines flying from London to Southeast Asia

Discover the top 10 airlines that operate flights from London 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$786FlexibilityNo cancel feeOn-time86%
Shenzhen AirlinesCheapest$457Average$574FlexibilityNo cancel feeOn-time63%
Gulf AirCheapest$514Average$760FlexibilityNo cancel feeOn-time67%
China EasternCheapest$520Average$716FlexibilityNo 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$967FlexibilityNo cancel feeOn-time70%
Etihad AirwaysCheapest$652Average$864FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$669Average$881FlexibilityNo cancel feeOn-time77%

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