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£193+ Cheap flights from 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 15/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
BKK — LHR
21 Apr — 28 Apr1
1 adult

Find flights from Southeast Asia

Cheapest flights from Southeast Asia
Explore the most affordable flight options available from Southeast Asia. Find the lowest fares based on data from user searches, with prices last updated on 16 April 2025.

Mon 26/510:50KUL - LHR
1 stop17h 00mTurkish Airlines
Mon 23/606:30LHR - KUL
1 stop43h 40mTurkish Airlines
Deal found 15/4£416
Thu 22/523:55KUL - LHR
1 stop17h 50mKLM
Sat 31/517:10LHR - KUL
2 stops20h 30mKLM
Deal found 15/4£442
Wed 21/510:50KUL - LGW
1 stop18h 30mTurkish Airlines
Sat 31/510:55LGW - KUL
1 stop23h 10mTurkish Airlines
Deal found 15/4£442
Tue 20/509:35KUL - LHR
1 stop28h 25mEtihad Airways
Tue 3/609:30LHR - KUL
1 stop27h 20mEtihad Airways
Deal found 14/4£443
Sun 18/508:55KUL - LHR
1 stop17h 35mSingapore Airlines
Tue 27/511:25LHR - KUL
1 stop15h 45mSingapore Airlines
Deal found 15/4£443
Wed 14/520:40KUL - LGW
1 stop16h 45mSingapore Airlines
Wed 21/510:15LGW - KUL
1 stop16h 15mSingapore Airlines
Deal found 15/4£461
Thu 31/713:00KUL - LHR
1 stop25h 30mSAUDIA
Mon 11/810:00LHR - KUL
1 stop18h 20mSAUDIA
Deal found 15/4£465
Wed 21/502:55KUL - LGW
1 stop17h 30mQatar Airways
Sat 31/514:55LGW - KUL
1 stop16h 50mQatar Airways
Deal found 15/4£469
Thu 8/520:00SIN - LGW
1 stop17h 55mGulf Air
Wed 21/511:25LGW - SIN
1 stop17h 55mGulf Air
Deal found 15/4£470
Thu 22/523:55KUL - LCY
1 stop15h 55mKLM
Sat 31/508:40LCY - KUL
1 stop24h 00mKLM
Deal found 15/4£473
Tue 20/502:15KUL - LGW
2 stops35h 20mMultiple Airlines
Sat 31/521:50LGW - KUL
2 stops35h 05mMultiple Airlines
Deal found 15/4£474
Thu 22/503:40SIN - LHR
1 stop23h 20mShenzhen Airlines
Sat 7/622:05LHR - SIN
1 stop21h 35mShenzhen Airlines
Deal found 15/4£475

Find flights from Southeast Asia within your budget

Find flights departing from Southeast Asia that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 16 April 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Mon 26/5

10:50-20:50

1 stop17h 00m

London Heathrow

Mon 23/6

06:30-09:10

1 stop43h 40m

£416

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Thu 22/5

23:55-10:45

1 stop17h 50m

London Heathrow

Sat 31/5

17:10-20:40

2 stops20h 30m

£442

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Tue 20/5

09:35-07:00

1 stop28h 25m

London Heathrow

Tue 3/6

09:30-19:50

1 stop27h 20m

£443

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Sun 18/5

08:55-19:30

1 stop17h 35m

London Heathrow

Tue 27/5

11:25-10:10

1 stop15h 45m

£443

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Thu 31/7

13:00-07:30

1 stop25h 30m

London Heathrow

Mon 11/8

10:00-11:20

1 stop18h 20m

£465

Kuala LumpurLondon

KUL - LGW

KULLGW

Kuala Lumpur Intl

Wed 21/5

02:55-13:25

1 stop17h 30m

London Gatwick

Sat 31/5

14:55-14:45

1 stop16h 50m

£469

SingaporeLondon

SIN - LGW

SINLGW

Singapore Changi

Thu 8/5

20:00-06:55

1 stop17h 55m

London Gatwick

Wed 21/5

11:25-12:20

1 stop17h 55m

£470

Kuala LumpurLondon

KUL - LGW

KULLGW

Kuala Lumpur Intl

Tue 20/5

02:15-06:35

2 stops35h 20m

London Gatwick

Sat 31/5

21:50-15:55

2 stops35h 05m

£474

SingaporeLondon

SIN - LHR

SINLHR

Singapore Changi

Thu 22/5

03:40-20:00

1 stop23h 20m

London Heathrow

Sat 7/6

22:05-02:40

1 stop21h 35m

£475

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Thu 8/5

08:10-20:35

1 stop19h 25m

London Heathrow

Wed 21/5

17:00-20:10

1 stop20h 10m

£478

Flights are sorted by cheapest return flights first.

Deals found on 15/4

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

Have a flexible travel schedule? Discover the best time to fly 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.

Travel insights for flights from Southeast Asia

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

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

Currently, March is the cheapest month in which you can book a flight from Southeast Asia (average of £268). Flying from Southeast Asia in July will prove the most costly (average of £547). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

When is the cheapest time to fly from Southeast Asia?

Use this chart to determine the cheapest time to fly return from Southeast Asia to Heathrow. Price data was last updated on 16 December 2024.

Those who are seeking the cheapest fare on flights departing from Southeast Asia would be wise to consider leaving during Saturday afternoons when prices are typically at their lowest. When considering other options, price-conscious travelers should avoid Thursday at midday when fares are usually the most expensive.

Airline reviews for flights from Southeast Asia

Get insights into the airlines that provide service from 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 airline for your flight from Southeast Asia. In the last 7 days, Cheapflights users made a total of 858,174 searches.

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Browse thousands of different options on Cheapflights for your next trip

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Related info for your journey

Access useful and relevant information related to your journey from Southeast Asia. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 16 April 2025.
  • What is the cheapest airport to fly out of Southeast Asia?

    Seoul Gimpo Intl airport offers the cheapest routes to Jeju City, from £13; whereas London Luton airport is typically cheaper if you're flying to Aberdeen, from £26. It's best to make sure you are flexible on dates to find the cheapest possible flight options for your journey.

  • What is the cheapest month to fly from Southeast Asia?

    At the present moment the cheapest month to fly from Southeast Asia is currently March; with July being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from Southeast Asia?

    Check out the cheapest flights from Southeast Asia to embark to:
    Travel from Seoul to Jeju City from £13 round trip
    Travel from London to Poznan from £26 round trip
    Travel from London to Tirana from £27 round trip
    Travel from Poznan to London from £27 round trip
    Travel from London to Edinburgh from £28 round trip

  • How does Cheapflights help users find flights from Southeast Asia?

    Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Southeast Asia. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

    Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Southeast Asia for you. Better yet — we are completely free to use.

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

    Users can book flights with no change fees policies with our dedicated filters. Book flights from Southeast Asia flexibly with Cheapflights today.

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

    Yes, Cheapflights has a feature called Price Alerts, which offers users the ability to be notified when flight prices change. Track prices for your flight from Southeast Asia today and book when you’re ready!

See more FAQs

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?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Southeast Asia. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Southeast Asia for you. Better yet — we are completely free to use.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Southeast Asia flexibly with Cheapflights today.

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

Yes, Cheapflights has a feature called Price Alerts, which offers users the ability to be notified when flight prices change. Track prices for your flight from Southeast Asia today and book when you’re ready!

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