London

$299+ Cheap flights from Southeast Asia to London (LON)

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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — LON
May 5 — May 121
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Cheap flight deals from Southeast Asia to London

Keep the following information in mind while searching for Southeast Asia to London flight deals. Data was last updated April 30, 2025.

Round-trip from

$588
(KLM)

One-way from

$299
(Booking.com)
From Southeast Asia to London (LON)
One-way flight from Southeast Asia to London (LON)

Find flight deals from Southeast Asia to London

Cheapest flights from Southeast Asia to London
Explore the most affordable flight options available from Southeast Asia to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

This KLM deal was found by Cheapflights users on 4/29. 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.
Mon 6/211:55 pmKUL - LHR
1 stop16h 05mKLM
Mon 6/165:10 pmLHR - KUL
2 stops20h 15mKLM
Deal found 4/29$601
This Gotogate deal was found by Cheapflights users on 4/28. 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.
Fri 6/138:00 amSGN - LHR
1 stop17h 00mChina Southern
Fri 6/209:00 pmLHR - SGN
2 stops22h 10mChina Southern
Deal found 4/28$607
This oojo deal was found by Cheapflights users on 4/29. 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.
Wed 5/219:35 amKUL - LHR
1 stop16h 10mEtihad Airways
Sun 6/19:45 pmLHR - KUL
1 stop15h 05mEtihad Airways
Deal found 4/29$610
This Turkish Airlines deal was found by Cheapflights users on 4/29. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1010:50 amKUL - LHR
1 stop18h 35mTurkish Airlines
Tue 6/246:30 amLHR - KUL
1 stop19h 40mTurkish Airlines
Deal found 4/29$629
This Gotogate deal was found by Cheapflights users on 4/29. 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.
Tue 6/38:00 pmSIN - LHR
1 stop26h 20mGulf Air
Tue 6/1010:00 amLHR - SIN
1 stop19h 20mGulf Air
Deal found 4/29$646
This Shenzhen Airlines deal was found by Cheapflights users on 4/29. 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 5/103:30 amSIN - LHR
1 stop23h 30mShenzhen Airlines
Sun 5/1810:05 pmLHR - SIN
1 stop21h 25mShenzhen Airlines
Deal found 4/29$648
This Gotogate deal was found by Cheapflights users on 4/29. 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.
Thu 5/2212:40 pmPNH - LHR
2 stops36h 00mChina Eastern
Mon 5/269:20 pmLHR - PNH
3 stops32h 15mChina Eastern
Deal found 4/29$648
This Booking.com deal was found by Cheapflights users on 4/29. 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.
Mon 5/2611:10 pmSIN - LGW
1 stop30h 10mTurkish Airlines
Fri 5/305:15 pmLGW - SIN
1 stop32h 30mTurkish Airlines
Deal found 4/29$651
This Gulf Air deal was found by Cheapflights users on 4/29. 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 Gulf Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/88:00 pmSIN - LGW
1 stop17h 55mGulf Air
Wed 5/1411:25 amLGW - SIN
1 stop17h 55mGulf Air
Deal found 4/29$654
This Mytrip deal was found by Cheapflights users on 4/29. 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.
Sun 6/112:05 pmSIN - LHR
2 stops38h 25mMultiple Airlines
Sun 6/810:15 pmLHR - SIN
1 stop20h 55mMultiple Airlines
Deal found 4/29$664
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Wed 5/289:10 pmSIN - LHR
1 stop16h 50mEtihad Airways
Wed 6/49:30 amLHR - SIN
1 stop17h 10mEtihad Airways
Deal found 4/29$665
This oojo deal was found by Cheapflights users on 4/29. 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.
Wed 5/283:10 amSIN - LGW
1 stop17h 15mQatar Airways
Thu 6/52:55 pmLGW - SIN
1 stop17h 50mQatar Airways
Deal found 4/29$669

Cheapflights Fare Finder

Customize your flight search to find flights from Southeast Asia to London 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 April 30, 2025.
Use the filters below to find and compare flights from Southeast Asia to London that are best for you.

Fly from

Southeast Asia

Fly to

London

Route

Depart

Return

Price

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Mon 6/2

11:55 pm-10:45 am

1 stop17h 50m

London Heathrow

Thu 6/12

5:10 pm-7:25 pm

2 stops19h 15m

$588

Ho Chi Minh CityLondon

SGN - LHR

SGNLHR

Ho Chi Minh City

Fri 6/13

8:00 am-7:00 pm

1 stop17h 00m

London Heathrow

Fri 6/20

9:00 pm-1:10 am

2 stops22h 10m

$607

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Wed 5/21

9:35 am-6:45 pm

1 stop16h 10m

London Heathrow

Sun 6/1

9:45 pm-7:50 pm

1 stop15h 05m

$610

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Mon 7/21

10:50 am-10:25 pm

1 stop18h 35m

London Heathrow

Wed 8/20

7:05 pm-9:10 am

1 stop31h 05m

$626

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Thu 6/5

3:00 pm-8:00 pm

1 stop36h 00m

London Heathrow

Fri 6/20

10:00 pm-7:55 pm

2 stops38h 55m

$641

SingaporeLondon

SIN - LHR

SINLHR

Singapore Changi

Tue 6/3

8:00 pm-3:20 pm

1 stop26h 20m

London Heathrow

Tue 6/10

10:00 am-12:20 pm

1 stop19h 20m

$646

SingaporeLondon

SIN - LHR

SINLHR

Singapore Changi

Sat 5/10

3:30 am-8:00 pm

1 stop23h 30m

London Heathrow

Sun 5/18

10:05 pm-2:30 am

1 stop21h 25m

$648

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Thu 5/22

12:40 pm-6:40 pm

2 stops36h 00m

London Heathrow

Mon 5/26

9:20 pm-11:35 am

3 stops32h 15m

$648

SingaporeLondon

SIN - LGW

SINLGW

Singapore Changi

Wed 5/28

3:10 am-1:25 pm

1 stop17h 15m

London Gatwick

Thu 6/5

2:55 pm-3:45 pm

1 stop17h 50m

$669

SingaporeLondon

SIN - LHR

SINLHR

Singapore Changi

Thu 6/5

9:35 pm-12:10 pm

1 stop21h 35m

London Heathrow

Tue 6/10

9:30 am-6:25 pm

1 stop25h 55m

$670

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

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

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

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

Currently, November is the cheapest month in which you can book a flight from Southeast Asia to London (average of $661). Flying from Southeast Asia to London in June is currently the most expensive (average of $1,110). 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 YJX to LON?

Find hourly flight availability from Southeast Asia to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 30, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Southeast Asia to London as you normally would.

Weekly flight availability from Southeast Asia to London

Explore weekly flight availability from Southeast Asia to London. 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 April 30, 2025.

The most flights from zzYJX to LON are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated April 30, 2025.
Read through reviews of airlines operating flights from Southeast Asia to London, such as EVA Air, Korean Air and Japan Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

8.1

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Food

8.1

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Food

8.1

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Food

8.1

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Food

8.1

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Related info for your journey

Find useful and relevant information for your journey from Southeast Asia to London. 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 Southeast Asia to London one-way?

    The cheapest airline one-way is Air China, with whom users have recently found tickets for as low as $299. However, be on the lookout for offers from China Southern and China Eastern, as they are both options that can get you from Southeast Asia to London for a low price.

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

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

    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 Southeast Asia to London on time: Air Canada (75%), Thai Airways (73%), EVA Air (71%).

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

    On average you can expect to pay $1,690 for a flight from Southeast Asia to London. The cheapest flight overall is $386 while the most popular route, (Bangkok Suvarnabhumi - London Heathrow) is currently priced at $555.

  • Can I find deals for flights from Southeast Asia to London that include hotel bookings?

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Southeast Asia to London (average of $661). Flying from Southeast Asia to London in June is currently the most expensive (average of $1,110). 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

Traveling to a place near Southeast Asia?

Book flights to Southeast Asia if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Horley
Canterbury
Harrow
Wembley
Dover
Gatwick
Orpington
Watford
Croydon
Borehamwood
Folkestone
Ilford
Aylesbury
Sutton
Chelmsford
Brentwood

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from Southeast Asia to London

Discover the top 10 airlines that operate flights from Southeast Asia to London. 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest$596Average$697FlexibilityNo cancel feeOn-time69%
China EasternCheapest$631Average$692FlexibilityNo cancel feeOn-time62%
Air ChinaCheapest$655Average$800FlexibilityNo cancel feeOn-time67%
SAUDIACheapest$663Average$805FlexibilityNo cancel feeOn-time86%
SWISSCheapest$664Average$956FlexibilityNo cancel feeOn-time79%
EmiratesCheapest$668Average$983FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$669Average$911FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$703Average$1,124FlexibilityNo cancel feeOn-time70%
Singapore AirlinesCheapest$707Average$996FlexibilityNo cancel feeOn-time81%
Qantas AirwaysCheapest$713Average$889FlexibilityNo cancel feeOn-time74%

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