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Southeast Asia

$377+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BKK
abr. 2 — abr. 91
mié. 4/2
mié. 4/9
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 marzo 28, 2025.

Round-trip from

$542
(SAUDIA)

One-way from

$377
(Norse)

Popular in

December

Cheapest in

November

Average price

$742
From London (LON) to Southeast Asia
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One-way flight from London (LON) to Southeast Asia
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($36 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 March 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 marzo 28, 2025.

This SAUDIA deal was found by Cheapflights users on 3/27. 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 SAUDIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/1710:10 pmLHR - MNL
2 stops32h 40mSAUDIA
lun. 6/233:40 pmMNL - LHR
1 stop22h 50mSAUDIA
Deal found 3/27$542
This Gotogate deal was found by Cheapflights users on 3/27. 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. 4/239:20 pmLHR - MNL
1 stop21h 00mChina Eastern
vie. 5/93:55 amMNL - LHR
1 stop21h 45mChina Eastern
Deal found 3/27$556
This KLM deal was found by Cheapflights users on 3/27. 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.
lun. 4/288:55 pmLHR - MNL
2 stops38h 35mKLM
mar. 5/135:40 pmMNL - LHR
2 stops24h 05mKLM
Deal found 3/27$570
This Mytrip deal was found by Cheapflights users on 3/27. 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 3/27$576
This SAUDIA deal was found by Cheapflights users on 3/27. 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 SAUDIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/710:00 amLHR - BKK
1 stop21h 45mSAUDIA
mar. 10/73:25 pmBKK - LHR
1 stop22h 05mSAUDIA
Deal found 3/27$582
This Booking.com deal was found by Cheapflights users on 3/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/2010:10 pmLHR - MNL
1 stop35h 35mChina Southern
lun. 5/125:45 pmMNL - LHR
1 stop32h 15mChina Southern
Deal found 3/27$583
This Kiwi.com deal was found by Cheapflights users on 3/26. 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. 5/136:00 pmLGW - BKK
1 stop18h 05mChina Eastern
mar. 5/204:50 pmBKK - LGW
1 stop19h 50mChina Eastern
Deal found 3/26$583
This Connections by easyJet deal was found by Cheapflights users on 3/26. 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 Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/117:15 amLGW - BKK
2 stops44h 35mMultiple Airlines
dom. 5/184:15 pmBKK - LGW
2 stops36h 40mMultiple Airlines
Deal found 3/26$585
This SAUDIA deal was found by Cheapflights users on 3/26. 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 SAUDIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/223:00 pmLGW - BKK
1 stop16h 45mSAUDIA
mié. 5/71:50 amBKK - LGW
1 stop17h 10mSAUDIA
Deal found 3/26$591
This Kiwi.com deal was found by Cheapflights users on 3/26. 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.
jue. 4/247:05 amLHR - BKK
1 stop18h 10mMultiple Airlines
mié. 4/308:15 pmBKK - LHR
2 stops52h 55mMultiple Airlines
Deal found 3/26$594
This Kiwi.com deal was found by Cheapflights users on 3/27. 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.
mié. 4/2310:05 pmLHR - BKK
1 stop22h 10mShenzhen Airlines
dom. 5/47:30 pmBKK - LHR
1 stop30h 20mShenzhen Airlines
Deal found 3/27$596
This Shenzhen Airlines deal was found by Cheapflights users on 3/27. 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.
vie. 6/610:05 pmLHR - SGN
1 stop21h 15mShenzhen Airlines
sáb. 6/212:20 amSGN - LHR
1 stop23h 40mShenzhen Airlines
Deal found 3/27$597

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 marzo 28, 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

LondonManila

LHR - MNL

LHRMNL

London Heathrow

sáb. 5/17

10:10 pm-1:50 pm

2 stops32h 40m

Manila Ninoy Aquino Intl

lun. 6/23

3:40 pm-7:30 am

1 stop22h 50m

$542

LondonManila

LHR - MNL

LHRMNL

London Heathrow

mié. 4/23

9:20 pm-1:20 am

1 stop21h 00m

Manila Ninoy Aquino Intl

vie. 5/9

3:55 am-6:40 pm

1 stop21h 45m

$556

LondonManila

LHR - MNL

LHRMNL

London Heathrow

lun. 4/28

8:55 pm-6:30 pm

2 stops38h 35m

Manila Ninoy Aquino Intl

mar. 5/13

5:40 pm-10:45 am

2 stops24h 05m

$570

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

$576

LondonManila

LHR - MNL

LHRMNL

London Heathrow

dom. 4/20

10:10 pm-4:45 pm

1 stop35h 35m

Manila Ninoy Aquino Intl

lun. 5/12

5:45 pm-7:00 pm

1 stop32h 15m

$583

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

dom. 5/11

7:15 am-9:50 am

2 stops44h 35m

Bangkok Suvarnabhumi

dom. 5/18

4:15 pm-10:55 pm

2 stops36h 40m

$585

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

mié. 4/23

10:05 pm-2:15 am

1 stop22h 10m

Bangkok Suvarnabhumi

dom. 5/4

7:30 pm-7:50 pm

1 stop30h 20m

$596

LondonSingapore

LGW - SIN

LGWSIN

London Gatwick

dom. 4/20

11:25 am-12:20 pm

1 stop17h 55m

Singapore Changi

sáb. 5/17

8:00 pm-6:55 am

1 stop17h 55m

$624

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

lun. 4/21

10:00 pm-10:00 am

2 stops30h 00m

Bangkok Suvarnabhumi

dom. 5/11

7:20 pm-7:30 pm

2 stops30h 10m

$632

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

sáb. 5/10

4:55 pm-1:05 pm

1 stop14h 10m

Bangkok Suvarnabhumi

sáb. 5/17

4:40 am-3:25 pm

1 stop16h 45m

$693

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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 $963). 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 marzo 28, 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.

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 marzo 28, 2025.
See what other customers who have flown with EVA Air, Garuda Indonesia and China 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
1,169 reviews

Boarding

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.
EVA Air
8.4
Very good
1,169 reviews
EVA Air
8.4
Very good
1,169 reviews

Boarding

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.
Garuda Indonesia
8.2
Very good
71 reviews
EVA Air
8.4
Very good
1,169 reviews

Boarding

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.
China Airlines
8.2
Very good
722 reviews
EVA Air
8.4
Very good
1,169 reviews

Boarding

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.
Singapore Airlines
8.1
Very good
1,285 reviews
EVA Air
8.4
Very good
1,169 reviews

Boarding

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

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 SAUDIA, which is currently one of the cheapest options available, starting at $389. China Eastern flights start at $391 while deals on China Southern start at $393 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 (62%).

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

    On average you can expect to pay $2,063 for a flight from London to Southeast Asia. The cheapest flight overall is $485 while the most popular route, (London Heathrow - Bangkok Suvarnabhumi) is currently priced at $469.

  • 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 $963). 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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Heathrow to Ahmedabad flights
Heathrow to Yerevan flights
London City to New Delhi 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 marzo 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
SAUDIACheapest$407Average$807FlexibilityNo cancel feeOn-time86%
Shenzhen AirlinesCheapest$457Average$584FlexibilityNo cancel feeOn-time63%
Gulf AirCheapest$514Average$764FlexibilityNo cancel feeOn-time67%
China EasternCheapest$520Average$702FlexibilityNo cancel feeOn-time62%
China SouthernCheapest$570Average$711FlexibilityNo cancel feeOn-time69%
Air IndiaCheapest$603Average$932FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$639Average$945FlexibilityNo cancel feeOn-time70%
Etihad AirwaysCheapest$652Average$850FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$669Average$879FlexibilityNo cancel feeOn-time77%
Kuwait AirwaysCheapest$674Average$839FlexibilityNo cancel feeOn-time64%
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