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Southeast Asia

$384+ 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 3/21. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BKK
2월 27 — 3월 61
목 2/27
목 3/6
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 2월 22, 2025.

Round-trip from

$561
(Mytrip)

One-way from

$384
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$746
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. 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 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 2월 22, 2025.

This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
목 5/228:25 pmLHR - MNL
1 stop20h 55mAir China
월 6/22:55 amMNL - LHR
1 stop24h 20mAir China
Deal found 2/21$561
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
목 3/2010:00 pmLHR - MNL
1 stop34h 35mChina Southern
월 3/3111:55 amMNL - LHR
1 stop38h 05mChina Southern
Deal found 2/21$569
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.
화 4/110:40 pmLHR - BKK
1 stop19h 30mAir China
월 4/74:10 amBKK - LHR
2 stops22h 20mAir China
Deal found 2/22$605
This Air China 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 Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
화 3/1111:40 amLGW - BKK
2 stops41h 50mAir China
화 3/181:30 amBKK - LGW
2 stops36h 25mAir China
Deal found 2/21$610
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
금 3/218:10 pmLGW - BKK
2 stops33h 20mMultiple Airlines
금 4/46:20 pmBKK - LGW
2 stops31h 20mMultiple Airlines
Deal found 2/21$613
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.
금 2/289:00 pmLHR - SIN
2 stops22h 45mHainan Airlines
일 3/2312:15 pmSIN - LHR
2 stops37h 40mHainan Airlines
Deal found 2/21$617
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.
수 2/265:50 pmLHR - BKK
1 stop24h 05mChina Eastern
화 3/41:35 pmBKK - LHR
1 stop31h 20mChina Eastern
Deal found 2/22$618
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
수 4/28:20 pmLGW - SIN
2 stops46h 30mMultiple Airlines
수 4/95:30 pmSIN - LGW
1 stop20h 25mMultiple Airlines
Deal found 2/22$622
This China Southern 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 China Southern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
목 3/2010:00 pmLHR - BKK
1 stop36h 55mChina Southern
목 4/33:00 amBKK - LHR
2 stops21h 05mChina Southern
Deal found 2/21$623
This Shenzhen Airlines 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 Shenzhen Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
금 2/289:10 pmLHR - MNL
1 stop20h 30mShenzhen Airlines
금 3/212:55 amMNL - LHR
1 stop24h 15mShenzhen Airlines
Deal found 2/21$625
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.
토 3/159:30 pmLHR - SIN
2 stops30h 40mChina Southern
토 3/221:30 pmSIN - LHR
1 stop36h 45mChina Southern
Deal found 2/22$627
This China Southern 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 China Southern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
금 3/710:00 pmLHR - HKT
1 stop34h 35mChina Southern
일 3/234:35 pmHKT - LHR
2 stops56h 20mChina Southern
Deal found 2/21$628

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 2월 22, 2025.

Fly from

London

Fly to

Southeast Asia

Route

Depart

Return

Price

LondonManila

LHR - MNL

LHRMNL

London Heathrow

목 5/22

8:25 pm-12:20 am

1 stop20h 55m

Manila Ninoy Aquino Intl

월 6/2

2:55 am-8:15 pm

1 stop24h 20m

$561

LondonManila

LHR - MNL

LHRMNL

London Heathrow

목 3/20

10:00 pm-4:35 pm

1 stop34h 35m

Manila Ninoy Aquino Intl

월 3/31

11:55 am-7:00 pm

1 stop38h 05m

$569

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

금 3/21

8:10 pm-12:30 pm

2 stops33h 20m

Bangkok Suvarnabhumi

금 4/4

6:20 pm-7:40 pm

2 stops31h 20m

$613

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

금 3/21

9:00 pm-12:20 pm

1 stop32h 20m

Bangkok Suvarnabhumi

목 3/27

1:55 am-1:55 pm

1 stop19h 00m

$618

LondonManila

LHR - MNL

LHRMNL

London Heathrow

일 3/23

9:10 pm-1:40 am

1 stop20h 30m

Manila Ninoy Aquino Intl

목 4/10

2:55 am-8:00 pm

1 stop24h 05m

$625

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

수 3/12

9:00 am-9:35 am

1 stop16h 35m

Singapore Changi

월 3/17

7:25 pm-6:45 am

1 stop19h 20m

$634

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

일 3/23

9:30 am-9:15 am

1 stop16h 45m

Bangkok Suvarnabhumi

화 5/20

7:40 pm-3:20 pm

1 stop25h 40m

$636

LondonManila

LHR - MNL

LHRMNL

London Heathrow

금 4/25

8:40 am-11:20 pm

2 stops31h 40m

Manila Ninoy Aquino Intl

수 5/21

6:30 pm-7:20 pm

2 stops31h 50m

$647

LondonKuala Lumpur

LHR - KUL

LHRKUL

London Heathrow

화 6/10

9:30 pm-8:55 pm

1 stop16h 25m

Kuala Lumpur Intl

월 6/30

8:05 am-7:00 pm

1 stop17h 55m

$680

LondonManila

LHR - MNL

LHRMNL

London Heathrow

화 5/13

5:50 pm-11:20 pm

2 stops22h 30m

Manila Ninoy Aquino Intl

일 5/25

6:30 pm-2:40 pm

2 stops27h 10m

$692

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

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, February is the cheapest month in which you can book a flight from London to Southeast Asia (average of $976). Flying from London 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 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 2월 22, 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 2월 22, 2025.

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 2월 22, 2025.
See what other customers who have flown with EVA Air, China Airlines and Garuda Indonesia 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
1,200 reviews

Comfort

8.2

Food

8.0

Overall

8.4

Boarding

8.4

Crew

8.6

Entertainment

8.0

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

Comfort

8.2

Food

8.0

Overall

8.4

Boarding

8.4

Crew

8.6

Entertainment

8.0

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
726 reviews
EVA Air
8.4
Very good
1,200 reviews

Comfort

8.2

Food

8.0

Overall

8.4

Boarding

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Garuda Indonesia
8.1
Very good
76 reviews
EVA Air
8.4
Very good
1,200 reviews

Comfort

8.2

Food

8.0

Overall

8.4

Boarding

8.4

Crew

8.6

Entertainment

8.0

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
1,297 reviews
EVA Air
8.4
Very good
1,200 reviews

Comfort

8.2

Food

8.0

Overall

8.4

Boarding

8.4

Crew

8.6

Entertainment

8.0

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 Singapore Airlines, which is currently one of the cheapest options available, starting at $397. Hainan Airlines flights start at $397 while deals on Air China start at $399 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 (59%), Thai Airways (51%), EVA Air (43%).

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

    On average you can expect to pay $1,458 for a flight from London 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 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, February is the cheapest month in which you can book a flight from London to Southeast Asia (average of $976). Flying from London 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 London to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.
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London City to New Delhi flights
Heathrow to Taiwan Taoyuan Intl flights
Gatwick to Pu Dong flights
Heathrow to Ho Chi Minh City flights
Heathrow to Hanoi flights
Manchester to Suvarnabhumi flights
Heathrow to Capital flights
Birmingham to Suvarnabhumi flights
Heathrow to Phnom Penh flights
Heathrow to Colombo flights
Gatwick to Hong Kong flights
Heathrow to Cochin flights
Heathrow to Chennai flights
Heathrow to Pu Dong 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 2월 22, 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$724FlexibilityNo cancel feeOn-time62%
Air IndiaCheapest$590Average$808FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$639Average$977FlexibilityNo cancel feeOn-time77%
Etihad AirwaysCheapest$649Average$896FlexibilityNo cancel feeOn-time75%
Kuwait AirwaysCheapest$673Average$819FlexibilityNo cancel feeOn-time64%
SAUDIACheapest$679Average$811FlexibilityNo cancel feeOn-time86%
SWISSCheapest$679Average$895FlexibilityNo cancel feeOn-time79%
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