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Southeast Asia

$388+ 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BKK
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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Cheap flight deals from London to Southeast Asia

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Southeast Asia (zzYJX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2024.

Round-trip from

$589
(Gotogate)

One-way from

$388
(Kiwi.com)
From London (LON) to Southeast Asia
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One-way flight from London (LON) to Southeast Asia
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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 December 18, 2024.

This FlightHub deal was found by Cheapflights users on 12/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/279:00 pmLHR - BKK
2 stops38h 05mHainan Airlines
Sun 1/197:10 pmBKK - LHR
2 stops29h 45mHainan Airlines
Deal found 12/17$807
This Mytrip deal was found by Cheapflights users on 12/17. 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.
Tue 12/3110:00 pmLHR - HAN
1 stop33h 45mChina Southern
Tue 3/43:45 pmHAN - LHR
2 stops29h 15mChina Southern
Deal found 12/17$845
This Gotogate deal was found by Cheapflights users on 12/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/309:30 pmLHR - MNL
2 stops29h 20mChina Southern
Mon 3/1012:00 pmMNL - LHR
1 stop38h 15mChina Southern
Deal found 12/17$856
This Etihad Airways deal was found by Cheapflights users on 12/17. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/297:20 pmLHR - BKK
1 stop21h 15mEtihad Airways
Mon 1/208:50 amBKK - LHR
1 stop28h 55mEtihad Airways
Deal found 12/17$862
This Shenzhen Airlines deal was found by Cheapflights users on 12/16. 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 Shenzhen Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/289:10 pmLHR - BKK
1 stop31h 00mShenzhen Airlines
Sun 2/233:05 amBKK - LHR
1 stop23h 05mShenzhen Airlines
Deal found 12/16$930
This FlightHub deal was found by Cheapflights users on 12/18. 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.
Tue 12/318:45 amLHR - BKK
1 stop29h 45mAir India
Tue 2/42:35 pmBKK - LHR
1 stop35h 20mAir India
Deal found 12/18$934
This Lufthansa deal was found by Cheapflights users on 12/17. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/255:30 pmLHR - SIN
1 stop15h 20mMultiple Airlines
Tue 1/1412:05 amSIN - LHR
1 stop16h 00mMultiple Airlines
Deal found 12/17$943
This SWISS deal was found by Cheapflights users on 12/17. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/318:05 pmLHR - SIN
1 stop37h 50mSWISS
Wed 3/512:05 amSIN - LHR
1 stop16h 00mSWISS
Deal found 12/17$947
This China Eastern deal was found by Cheapflights users on 12/18. 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 Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/315:50 pmLHR - BKK
1 stop35h 30mChina Eastern
Mon 1/206:15 pmBKK - LHR
2 stops50h 40mChina Eastern
Deal found 12/18$948
This Mytrip deal was found by Cheapflights users on 12/16. 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.
Tue 12/316:10 amLGW - SIN
2 stops25h 20mMultiple Airlines
Tue 1/77:15 amSIN - LGW
3 stops46h 20mMultiple Airlines
Deal found 12/16$954
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/317:50 pmLHR - MNL
2 stops31h 05mMultiple Airlines
Wed 2/196:20 amMNL - LHR
1 stop19h 30mMultiple Airlines
Deal found 12/16$959
This Mytrip deal was found by Cheapflights users on 12/18. 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 12/196:40 amLHR - BKK
3 stops28h 05mMultiple Airlines
Thu 12/261:25 pmBKK - LHR
Nonstop13h 10mMultiple Airlines
Deal found 12/18$959

Find flights from London to Southeast Asia within your budget

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 December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sat 5/17

10:05 pm-8:40 am

1 stop28h 35m

Hanoi Noibai

Sat 5/24

6:40 pm-8:00 pm

1 stop31h 20m

$589

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 5/6

1:15 pm-2:05 pm

1 stop18h 50m

Bangkok Suvarnabhumi

Tue 6/3

8:40 am-8:20 pm

1 stop17h 40m

$592

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Tue 1/14

10:30 am-2:55 pm

2 stops21h 25m

Bangkok Suvarnabhumi

Tue 1/21

1:35 pm-6:30 am

1 stop23h 55m

$596

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 1/15

5:40 pm-12:10 am

1 stop23h 30m

Bangkok Suvarnabhumi

Tue 1/21

1:30 am-5:50 pm

1 stop23h 20m

$596

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Fri 2/28

9:00 pm-10:05 am

2 stops30h 05m

Bangkok Suvarnabhumi

Sun 3/16

7:10 pm-5:55 pm

2 stops29h 45m

$597

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Fri 5/2

10:10 pm-11:40 am

1 stop31h 30m

Bangkok Suvarnabhumi

Thu 6/12

11:20 am-7:05 pm

1 stop37h 45m

$607

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 5/7

9:50 pm-9:15 am

1 stop29h 25m

Bangkok Suvarnabhumi

Mon 7/7

7:15 pm-2:45 pm

1 stop25h 30m

$631

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 1/15

9:10 pm-2:05 am

1 stop21h 55m

Bangkok Suvarnabhumi

Wed 1/22

1:50 pm-7:40 pm

1 stop36h 50m

$640

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Tue 1/21

7:35 pm-9:00 am

1 stop29h 25m

Singapore Changi

Tue 2/11

10:50 am-9:25 pm

1 stop18h 35m

$649

LondonSingapore

LGW - SIN

LGWSIN

London Gatwick

Fri 3/7

5:55 am-8:45 am

1 stop18h 50m

Singapore Changi

Fri 3/14

10:25 am-9:30 pm

1 stop19h 05m

$669

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

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.

Travel insights for flights from London to Southeast Asia

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

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

Currently, September is the cheapest month in which you can book a flight from London to Southeast Asia (average of $979). Flying from London to Southeast Asia in June is currently the most expensive (average of $1,585). 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 December 18, 2024.

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 December 18, 2024.

The most flights from LON to zzYJX are scheduled on a Monday (8 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 December 18, 2024.
See what other customers who have flown with Air India, Air China and China Southern 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
1,273 reviews

Crew

8.6

Food

8.0

Entertainment

8.0

Overall

8.4

Boarding

8.4

Comfort

8.2

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

EVA Air
8.4
Very good
1,273 reviews
EVA Air
8.4
Very good
1,273 reviews

Crew

8.6

Food

8.0

Entertainment

8.0

Overall

8.4

Boarding

8.4

Comfort

8.2

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Korean Air
8.4
Very good
1,018 reviews
EVA Air
8.4
Very good
1,273 reviews

Crew

8.6

Food

8.0

Entertainment

8.0

Overall

8.4

Boarding

8.4

Comfort

8.2

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

China Airlines
8.3
Very good
754 reviews
EVA Air
8.4
Very good
1,273 reviews

Crew

8.6

Food

8.0

Entertainment

8.0

Overall

8.4

Boarding

8.4

Comfort

8.2

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Singapore Airlines
8.1
Very good
1,329 reviews
EVA Air
8.4
Very good
1,273 reviews

Crew

8.6

Food

8.0

Entertainment

8.0

Overall

8.4

Boarding

8.4

Comfort

8.2

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Emirates
8.1
Very good
3,412 reviews
EVA Air
8.4
Very good
1,273 reviews

Crew

8.6

Food

8.0

Entertainment

8.0

Overall

8.4

Boarding

8.4

Comfort

8.2

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

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 Air China, which is currently one of the cheapest options available, starting at $403. Hainan Airlines flights start at $407 while deals on Shenzhen Airlines start at $415 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: Air Canada (71%), Thai Airways (67%), EVA Air (57%).

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

    On average you can expect to pay $1,444 for a flight from London to Southeast Asia. The cheapest flight overall is $479 while the most popular route, (London Heathrow - Bangkok Suvarnabhumi) is currently priced at $554.

  • 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, September is the cheapest month in which you can book a flight from London to Southeast Asia (average of $979). Flying from London to Southeast Asia in June is currently the most expensive (average of $1,585). 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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Heathrow to Islamabad flights
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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 December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest$450Average$697FlexibilityNo cancel feeOn-time69%
China EasternCheapest$515Average$722FlexibilityNo cancel feeOn-time62%
Shenzhen AirlinesCheapest$518Average$644FlexibilityNo cancel feeOn-time63%
Air IndiaCheapest$613Average$840FlexibilityNo cancel feeOn-timeN/A
Gulf AirCheapest$626Average$812FlexibilityNo cancel feeOn-time67%
Etihad AirwaysCheapest$654Average$893FlexibilityNo cancel feeOn-time75%
Kuwait AirwaysCheapest$673Average$829FlexibilityNo cancel feeOn-time64%
SAUDIACheapest$679Average$848FlexibilityNo cancel feeOn-time86%
SWISSCheapest$679Average$861FlexibilityNo cancel feeOn-time79%
Oman AirCheapest$682Average$819FlexibilityNo cancel feeOn-time76%
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