Cheap flights from Southeast Asia to London from $399

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 24/2. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — LON
17 Jan — 24 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southeast Asia to London

Enter your travel dates to find the best prices.

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 18 December 2025.

Mon 22/1210:05KUL - LHR
1 stop19h 00mTurkish Airlines
Mon 5/106:35LHR - KUL
1 stop26h 45mTurkish Airlines
Deal found 17/12$973
Wed 17/1223:45KUL - LHR
1 stop23h 10mTurkish Airlines
Sat 27/1206:35LHR - KUL
1 stop17h 50mTurkish Airlines
Deal found 16/12$1,040
Thu 25/1210:25SIN - LGW
1 stop20h 10mTurkish Airlines
Mon 5/106:20LGW - SIN
1 stop18h 25mTurkish Airlines
Deal found 16/12$1,040
Thu 18/1210:25SIN - LHR
1 stop18h 40mTurkish Airlines
Wed 21/106:35LHR - SIN
1 stop18h 00mTurkish Airlines
Deal found 17/12$1,064
Tue 30/1204:25KUL - LHR
1 stop37h 30mTurkish Airlines
Sat 10/116:35LHR - KUL
1 stop29h 40mTurkish Airlines
Deal found 17/12$1,076
Fri 26/1221:00SIN - LGW
1 stop17h 40mEmirates
Sun 25/113:35LGW - SIN
1 stop17h 05mEmirates
Deal found 16/12$1,079
Wed 24/1223:25SIN - LHR
1 stop24h 45mTurkish Airlines
Sun 28/1222:35LHR - SIN
1 stop26h 10mTurkish Airlines
Deal found 17/12$1,082
Thu 25/1210:30SIN - LGW
1 stop28h 10mEmirates
Tue 6/113:35LGW - SIN
1 stop34h 55mEmirates
Deal found 15/12$1,091
Thu 25/1221:00SIN - LGW
1 stop17h 40mEmirates
Wed 7/120:25LGW - SIN
1 stop17h 20mEmirates
Deal found 16/12$1,114
Sat 20/1204:40SIN - LHR
1 stop21h 15mHainan Airlines
Fri 9/121:00LHR - SIN
2 stops30h 10mHainan Airlines
Deal found 17/12$1,132
Sat 20/1204:40SIN - LHR
1 stop21h 15mMultiple Airlines
Fri 9/117:40LHR - SIN
1 stop38h 45mMultiple Airlines
Deal found 17/12$1,146
Sun 21/1202:55BKK - LHR
1 stop22h 15mEtihad Airways
Fri 16/113:55LHR - BKK
1 stop26h 30mEtihad Airways
Deal found 16/12$1,162

Find 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 18 December 2025.

Round-trip from

$890

One-way from

$399
KLM
  • KLM
  • 12/3-20/3
  • 2 total stops
  • 38h 50m total
  • Southeast Asia to London
Hainan Airlines
  • Hainan Airlines
  • 24/2
  • 1 total stop
  • 21h 45m total
  • Southeast Asia to London

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 18 December 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 16/3

10:05-22:25

1 stop20h 20m

London Heathrow

Mon 30/3

18:30-08:10

1 stop30h 40m

$973

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Sun 7/6

09:50-22:25

1 stop19h 35m

London Heathrow

Fri 12/6

22:35-08:10

1 stop26h 35m

$999

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Mon 9/3

09:35-18:10

1 stop16h 35m

London Heathrow

Wed 11/3

13:55-19:35

1 stop21h 40m

$1,013

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Tue 3/3

09:35-12:05

1 stop34h 30m

London Heathrow

Thu 19/3

20:55-19:35

1 stop14h 40m

$1,013

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Thu 15/1

09:35-12:05

1 stop34h 30m

London Heathrow

Wed 21/1

08:50-19:35

1 stop26h 45m

$1,014

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Thu 12/3

10:05-22:25

1 stop20h 20m

London Heathrow

Fri 20/3

06:35-08:25

1 stop17h 50m

$1,028

SingaporeLondon

SIN - LGW

SINLGW

Singapore Changi

Wed 4/3

20:15-05:55

1 stop17h 40m

London Gatwick

Thu 19/3

08:40-08:45

1 stop16h 05m

$1,031

SingaporeLondon

SIN - LGW

SINLGW

Singapore Changi

Tue 3/3

20:00-06:30

1 stop18h 30m

London Gatwick

Sun 15/3

10:35-12:30

1 stop17h 55m

$1,035

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Thu 26/3

09:35-18:10

1 stop16h 35m

London Heathrow

Wed 8/4

14:45-19:50

1 stop22h 05m

$1,037

SingaporeLondon

SIN - LGW

SINLGW

Singapore Changi

Sun 18/1

02:30-11:40

1 stop17h 10m

London Gatwick

Sun 1/2

13:35-14:40

1 stop17h 05m

$1,049

Flights are sorted by cheapest return flights first.

Deals found on 17/12

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 return 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 $407). Flying from Southeast Asia to London in July is currently the most expensive (average of $1,090). 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 18 December 2025.

A simple way to save on the total cost of your ticket is to fly from Southeast Asia to London in the afternoon. If you’re flexible enough to do this you can expect to save up to 33% on your trip compared to booking a flight at midday.

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 18 December 2025.

The most flights from zzYJX to LON are scheduled on a Monday (9 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (6 on average).

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 18 December 2025.
Read reviews from past customers who have flown with Emirates, Singapore Airlines, andGulf Air from Southeast Asia to London. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.9

Entertainment

8.2

Comfort

8.0

Crew

8.3

Overall

8.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

DXB - MAN

A380 is best airplane in the world for long haul flights. And Emirates one of the top airlines.

Food

7.9

Entertainment

8.2

Comfort

8.0

Crew

8.3

Overall

8.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

DXB - MAN

A380 is best airplane in the world for long haul flights. And Emirates one of the top airlines.

Food

7.9

Entertainment

8.2

Comfort

8.0

Crew

8.3

Overall

8.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

DXB - MAN

A380 is best airplane in the world for long haul flights. And Emirates one of the top airlines.

Food

7.9

Entertainment

8.2

Comfort

8.0

Crew

8.3

Overall

8.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

DXB - MAN

A380 is best airplane in the world for long haul flights. And Emirates one of the top airlines.

Food

7.9

Entertainment

8.2

Comfort

8.0

Crew

8.3

Overall

8.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

DXB - MAN

A380 is best airplane in the world for long haul flights. And Emirates one of the top airlines.

Food

7.9

Entertainment

8.2

Comfort

8.0

Crew

8.3

Overall

8.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

DXB - MAN

A380 is best airplane in the world for long haul flights. And Emirates one of the top airlines.

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.
  • How long is the flight from Southeast Asia to London?

    There are many flights that can get you from Southeast Asia to London in 16h 35m. Fly via Turkish Airlines, Etihad Airways, or Qatar Airways to get the fastest option. The distance from Southeast Asia to London is about 10598 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from Southeast Asia to London one-way?

    $362 is the cheapest one-way deal found within the past few days, from Malaysia Airlines. You may also be able to find cheap deals on Emirates and Thai Airways, with prices starting from $492 and $574, respectively.

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

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

    Consider Air Canada (97%), Thai Airways (92%) or EVA Air (89%) when booking your flight. These represent the most reliable airlines when flying from Southeast Asia to London.

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

    Looking at all options, your cheapest flight can be booked for $686. While the most popular route (Manila Ninoy Aquino Intl - London Stansted) can be booked for $991 on average, our data indicates $1,168 when flying from Southeast Asia to London.

  • 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 holiday 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 $407). Flying from Southeast Asia to London in July is currently the most expensive (average of $1,090). 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Kingston upon Thames
Hounslow
Horsham
Southall
Chatham
Dorking
Dover
Braintree
Gatwick
Chertsey

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Alternative routes for Southeast Asia to London

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Southeast Asia to London

Discover the top 4 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 647,157 searches. Data last updated 18 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$929Average$986FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
EmiratesCheapest$934Average$1,236FlexibilityNo cancel feeOn-time75%
Search Emirates flights
British AirwaysCheapest$950Average$1,562FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Singapore AirlinesCheapest$1,033Average$1,312FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Southeast Asia to London?

Cheapflights helps you search for flights from Southeast Asia to London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Southeast Asia to London?

Cheapflights helps you find that perfect flight to London from Southeast Asia by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Southeast Asia to London with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Southeast Asia to London, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Southeast Asia to London become cheaper?

Of course! You can now track prices for flights from Southeast Asia to London and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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