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Cheap flights from London to Southeast Asia from £319

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 24/3. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BKK
22 Jan — 29 Jan1
1 adult

Cheap flight deals from London to Southeast Asia

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Southeast Asia (zzYJX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 17 January 2025.

Round-trip from

£487

One-way from

£319
Air China
  • Air China
  • 23/3-6/6
  • 3 total stops
  • 45h 35m total
  • London to Southeast Asia
Search Deals
24/3
  • 24/3
  • 3 total stops
  • 31h 45m total
  • London to Southeast Asia
Search Deals

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 17 January 2025.

Sun 23/320:25LHR - MNL
2 stops21h 15mAir China
Fri 6/602:55MNL - LHR
1 stop24h 20mAir China
Deal found 16/1£487
Fri 21/221:10LHR - MNL
1 stop20h 30mShenzhen Airlines
Fri 7/302:55MNL - LHR
1 stop24h 15mShenzhen Airlines
Deal found 17/1£488
Tue 4/310:30LGW - MNL
1 stop33h 10mChina Eastern
Tue 18/304:55MNL - LGW
1 stop33h 35mChina Eastern
Deal found 16/1£488
Sun 23/222:00LHR - MNL
1 stop28h 50mChina Southern
Sat 8/312:00MNL - LHR
1 stop38h 15mChina Southern
Deal found 16/1£488
Sun 19/111:40LGW - MNL
2 stops30h 00mAir China
Sat 15/202:55MNL - LGW
2 stops36h 00mAir China
Deal found 16/1£489
Thu 20/310:30LGW - MNL
2 stops25h 10mMultiple Airlines
Wed 26/303:15MNL - LGW
2 stops35h 15mMultiple Airlines
Deal found 16/1£491
Tue 25/217:50LHR - MNL
1 stop25h 50mChina Eastern
Thu 20/304:55MNL - LHR
1 stop20h 35mChina Eastern
Deal found 16/1£494
Tue 4/322:00LHR - SIN
1 stop21h 05mChina Southern
Sat 8/303:55SIN - LHR
1 stop22h 20mChina Southern
Deal found 16/1£497
Thu 20/217:40LHR - MNL
2 stops34h 10mMultiple Airlines
Fri 7/305:55MNL - LHR
2 stops42h 00mMultiple Airlines
Deal found 17/1£497
Sat 22/210:30LGW - BKK
1 stop18h 50mChina Eastern
Mon 10/313:35BKK - LGW
1 stop23h 55mChina Eastern
Deal found 16/1£497
Wed 26/1120:25LHR - BKK
1 stop20h 45mAir China
Mon 15/1201:30BKK - LHR
1 stop23h 20mAir China
Deal found 16/1£497
Fri 18/422:05LHR - SIN
1 stop31h 15mGulf Air
Sun 4/520:00SIN - LHR
1 stop17h 55mGulf Air
Deal found 17/1£498

Find flights from London to Southeast Asia within your budget

Customise 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 858,174 searches. Data last updated 17 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonManila

LHR - MNL

LHRMNL

London Heathrow

Sun 23/3

20:25-01:40

2 stops21h 15m

Manila Ninoy Aquino Intl

Fri 6/6

02:55-20:15

1 stop24h 20m

£487

LondonManila

LGW - MNL

LGWMNL

London Gatwick

Tue 4/3

10:30-03:40

1 stop33h 10m

Manila Ninoy Aquino Intl

Tue 18/3

04:55-06:30

1 stop33h 35m

£488

LondonManila

LHR - MNL

LHRMNL

London Heathrow

Sun 23/2

22:00-10:50

1 stop28h 50m

Manila Ninoy Aquino Intl

Sat 8/3

12:00-18:15

1 stop38h 15m

£488

LondonManila

LGW - MNL

LGWMNL

London Gatwick

Fri 7/3

10:30-19:40

2 stops25h 10m

Manila Ninoy Aquino Intl

Sun 23/3

15:35-06:30

2 stops22h 55m

£489

LondonManila

LGW - MNL

LGWMNL

London Gatwick

Mon 2/6

12:35-00:20

1 stop28h 45m

Manila Ninoy Aquino Intl

Mon 9/6

06:25-06:35

1 stop31h 10m

£490

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Tue 4/3

22:00-03:05

1 stop21h 05m

Singapore Changi

Wed 12/3

17:50-18:15

1 stop32h 25m

£497

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sat 22/2

10:30-12:20

1 stop18h 50m

Bangkok Suvarnabhumi

Mon 10/3

13:35-06:30

1 stop23h 55m

£497

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Fri 18/4

22:05-12:20

1 stop31h 15m

Singapore Changi

Sun 4/5

20:00-06:55

1 stop17h 55m

£498

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 3/2

21:10-10:05

1 stop29h 55m

Bangkok Suvarnabhumi

Sun 2/3

19:20-17:55

1 stop29h 35m

£498

LondonBangkok

STN - BKK

STNBKK

London Stansted

Wed 12/3

08:00-20:00

2 stops29h 00m

Bangkok Suvarnabhumi

Tue 18/3

08:25-07:35

2 stops30h 10m

£498

Flights are sorted by cheapest return flights first.

Deals found on 16/1

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 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 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, May is the cheapest month in which you can book a flight from London to Southeast Asia (average of £791). Flying from London to Southeast Asia in December is currently the most expensive (average of £1,123). 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 17 January 2025.

When flying from London to Southeast Asia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 17 January 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 10.0 - 320.0 inches per month. September is typically the wettest month, when rainfall can reach 320.0 mm. January is typically the driest time to visit Southeast Asia when rainfall is around 10.0 mm.

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 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.0 C).

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 17 January 2025.
See what other customers who have flown with Air India, Air France and Qatar Airways from London to Southeast Asia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
China Airlines
8.2
Very Good
737 reviews
Check prices

Food

7.8

Entertainment

8.0

Crew

8.5

Boarding

8.3

Overall

8.2

Comfort

8.0

Reviews

1 / 10

For the money it’s good value. Seat space rather small

China Airlines
8.2
Very Good
737 reviews
China Airlines
8.2
Very Good
737 reviews
Check prices

Food

7.8

Entertainment

8.0

Crew

8.5

Boarding

8.3

Overall

8.2

Comfort

8.0

Reviews

1 / 10

For the money it’s good value. Seat space rather small

Singapore Airlines
8.1
Very Good
1,327 reviews
China Airlines
8.2
Very Good
737 reviews
Check prices

Food

7.8

Entertainment

8.0

Crew

8.5

Boarding

8.3

Overall

8.2

Comfort

8.0

Reviews

1 / 10

For the money it’s good value. Seat space rather small

Emirates
8.1
Very Good
3,351 reviews
China Airlines
8.2
Very Good
737 reviews
Check prices

Food

7.8

Entertainment

8.0

Crew

8.5

Boarding

8.3

Overall

8.2

Comfort

8.0

Reviews

1 / 10

For the money it’s good value. Seat space rather small

KLM
7.8
Good
1,339 reviews
China Airlines
8.2
Very Good
737 reviews
Check prices

Food

7.8

Entertainment

8.0

Crew

8.5

Boarding

8.3

Overall

8.2

Comfort

8.0

Reviews

1 / 10

For the money it’s good value. Seat space rather small

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?

    The cheapet airlines for a one-way flight from London to Southeast Asia are China Eastern (£321), Shenzhen Airlines (£322), and Hainan Airlines (£322).

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

    The most popular route from London to Southeast Asia is London Heathrow - Bangkok Suvarnabhumi. You may also consider London Gatwick - Bangkok Suvarnabhumi or London City - Bangkok Suvarnabhumi.

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

    No one likes to see their flight delayed. When booking a flight from London to Southeast Asia consider choosing Air Canada (67%), Thai Airways (58%) or EVA Air (47%) as they are the most reliable in getting you off to your destination on time.

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

    The cheapest flight price from London to Southeast Asia is £386. On average you can expect to pay £2,415. The most popular route, (London Heathrow - Bangkok Suvarnabhumi), can usually be booked for £1.

  • 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 holiday 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, May is the cheapest month in which you can book a flight from London to Southeast Asia (average of £791). Flying from London to Southeast Asia in December is currently the most expensive (average of £1,123). 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 Hong Kong flights
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Gatwick to Mumbai flights
Stansted to Colombo 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 858,174 searches. Data last updated 17 January 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest£409Average£760FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air FranceCheapest£431Average£820FlexibilityNo cancel feeOn-time77%
Search Air France flights
Hainan AirlinesCheapest£446Average£501FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Royal Brunei AirlinesCheapest£493Average£695FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
Royal JordanianCheapest£505Average£659FlexibilityNo cancel feeOn-time61%
Search Royal Jordanian flights
Turkmenistan AirlinesCheapest£524Average£604FlexibilityNo cancel feeOn-time63%
Search Turkmenistan Airlines flights
KLMCheapest£524Average£920FlexibilityNo cancel feeOn-time75%
Search KLM flights
SWISSCheapest£535Average£786FlexibilityNo cancel feeOn-time79%
Search SWISS flights
LufthansaCheapest£570Average£790FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Virgin AtlanticCheapest£577Average£723FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Southeast Asia from London today with Cheapflights!

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

Millions of users choose and trust Cheapflights to book the best flight deals from London to Southeast Asia for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes, we can. To see specific flights from London to Southeast Asia with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Of course! You can now track prices for flights from London to Southeast Asia 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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