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Cheap flights from London to Southeast Asia from $618

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 27/11. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BKK
27 Nov — 4 Dec1
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 22 November 2024.

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 22 November 2024.

Mon 30/1221:10LHR - BKK
1 stop38h 20mShenzhen Airlines
Thu 6/219:30BKK - LHR
1 stop30h 40mShenzhen Airlines
Deal found 21/11$967
Tue 26/1121:30LHR - BKK
1 stop14h 15mQatar Airways
Thu 12/1219:35BKK - LHR
1 stop17h 50mQatar Airways
Deal found 21/11$1,110
Thu 28/1109:00LHR - BKK
1 stop26h 35mEtihad Airways
Fri 6/1202:15BKK - LHR
1 stop23h 10mEtihad Airways
Deal found 22/11$1,142
Tue 3/1209:30LHR - BKK
1 stop16h 45mGulf Air
Wed 11/1219:15BKK - LHR
1 stop26h 30mGulf Air
Deal found 22/11$1,168
Thu 28/1119:35LHR - BKK
1 stop30h 40mAir France
Thu 12/1212:15BKK - LHR
2 stops26h 45mAir France
Deal found 22/11$1,183
Wed 27/1110:00LHR - BKK
1 stop20h 40mSAUDIA
Mon 3/215:20BKK - LHR
1 stop27h 55mSAUDIA
Deal found 22/11$1,220
Thu 28/1121:30LHR - BKK
1 stop14h 15mBritish Airways
Fri 13/1208:10BKK - LHR
1 stop16h 15mBritish Airways
Deal found 22/11$1,254
Wed 27/1117:50LHR - BKK
2 stops32h 40mChina Eastern
Thu 19/1201:55BKK - LHR
1 stop19h 00mChina Eastern
Deal found 21/11$1,257
Thu 5/1211:30LHR - BKK
1 stop13h 50mTurkish Airlines
Fri 20/1210:00BKK - LHR
1 stop19h 25mTurkish Airlines
Deal found 22/11$1,275
Wed 4/1217:05LCY - DPS
2 stops19h 15mKLM
Thu 26/1221:40DPS - LCY
2 stops26h 55mKLM
Deal found 21/11$1,283
Wed 4/1217:05LCY - KUL
2 stops19h 10mKLM
Wed 25/1223:50KUL - LCY
1 stop25h 50mKLM
Deal found 21/11$1,291
Wed 27/1114:05STN - KUL
1 stop34h 25mEmirates
Tue 3/1219:05KUL - STN
1 stop25h 00mEmirates
Deal found 21/11$1,306

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 686,349 searches. Data last updated 22 November 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 17/2

21:10-02:05

1 stop21h 55m

Bangkok Suvarnabhumi

Sun 2/3

03:05-19:10

1 stop23h 05m

$921

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 12/2

13:30-14:05

1 stop17h 35m

Bangkok Suvarnabhumi

Mon 17/2

08:25-19:20

1 stop17h 55m

$993

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 13/1

21:00-18:05

1 stop38h 05m

Bangkok Suvarnabhumi

Sun 19/1

11:10-17:55

2 stops37h 45m

$1,005

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 5/2

17:40-21:30

1 stop20h 50m

Bangkok Suvarnabhumi

Tue 18/2

01:30-17:50

1 stop23h 20m

$1,033

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sat 11/1

21:00-00:55

1 stop20h 55m

Bangkok Suvarnabhumi

Mon 20/1

01:55-17:30

1 stop22h 35m

$1,056

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sun 11/5

13:35-05:25

1 stop33h 50m

Bangkok Suvarnabhumi

Thu 22/5

07:05-12:10

1 stop35h 05m

$1,064

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 13/5

11:45-09:30

1 stop15h 45m

Bangkok Suvarnabhumi

Tue 27/5

12:05-20:55

1 stop14h 50m

$1,071

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Fri 31/1

20:25-02:20

2 stops22h 55m

Bangkok Suvarnabhumi

Fri 28/2

21:05-17:30

2 stops27h 25m

$1,074

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 23/4

09:30-09:15

1 stop17h 45m

Bangkok Suvarnabhumi

Tue 29/7

19:15-14:45

1 stop25h 30m

$1,077

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 11/2

19:20-23:35

1 stop21h 15m

Bangkok Suvarnabhumi

Wed 12/3

02:15-18:25

1 stop23h 10m

$1,113

Flights are sorted by cheapest return flights first.

Deals found on 22/11

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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, February is the cheapest month in which you can book a flight from London to Southeast Asia (average of $489). Flying from London to Southeast Asia in December is currently the most expensive (average of $808). 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 22 November 2024.

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 22 November 2024.

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 22 November 2024.
Read through reviews of airlines operating flights from London to Southeast Asia, such as Finnair, British Airways and China Eastern. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very Good
1,306 reviews
Check prices

Boarding

8.4

Crew

8.6

Comfort

8.2

Food

8.0

Overall

8.4

Entertainment

8.0

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

EVA Air
8.4
Very Good
1,306 reviews
EVA Air
8.4
Very Good
1,306 reviews
Check prices

Boarding

8.4

Crew

8.6

Comfort

8.2

Food

8.0

Overall

8.4

Entertainment

8.0

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

China Airlines
8.3
Very Good
774 reviews
EVA Air
8.4
Very Good
1,306 reviews
Check prices

Boarding

8.4

Crew

8.6

Comfort

8.2

Food

8.0

Overall

8.4

Entertainment

8.0

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Singapore Airlines
8.1
Very Good
1,339 reviews
EVA Air
8.4
Very Good
1,306 reviews
Check prices

Boarding

8.4

Crew

8.6

Comfort

8.2

Food

8.0

Overall

8.4

Entertainment

8.0

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Emirates
8.1
Very Good
3,484 reviews
EVA Air
8.4
Very Good
1,306 reviews
Check prices

Boarding

8.4

Crew

8.6

Comfort

8.2

Food

8.0

Overall

8.4

Entertainment

8.0

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

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 Air China ($622), Oman Air ($717), and Etihad Airways ($809).

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

    While some choose either London Stansted - Denpasar Bali Ngurah Rai or London City - Phuket City, London City - Denpasar Bali Ngurah Rai is the most popular route from London to Southeast Asia.

  • 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: Thai Airways (58%), Air Canada (54%), EVA Air (54%).

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

    On average you can expect to pay $3,132 for a flight from London to Southeast Asia. The cheapest flight overall is $708 while the most popular route, (London City - Denpasar Bali Ngurah Rai) is currently priced at $936.

  • 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, February is the cheapest month in which you can book a flight from London to Southeast Asia (average of $489). Flying from London to Southeast Asia in December is currently the most expensive (average of $808). 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.
Heathrow to Suvarnabhumi flights
Gatwick to Suvarnabhumi flights
Heathrow to Singapore flights

Top 3 airlines flying from London to Southeast Asia

Discover the top 3 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 686,349 searches. Data last updated 22 November 2024.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$873Average$1,048FlexibilityNo cancel feeOn-time67%
Search Air China flights
Etihad AirwaysCheapest$1,341Average$1,346FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Thai AirwaysCheapest$1,440Average$1,593FlexibilityNo cancel feeOn-time77%
Search Thai Airways 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 London to Southeast Asia?

When you search for this flight from London to Southeast Asia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights helps you find that perfect flight to Southeast Asia from London 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 London to Southeast Asia with no change fees?

Yes! Cheapflights helps users easily find flights from London to Southeast Asia with no change fees.

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

Not ready to book yet? You can track prices for flights from London to Southeast Asia on Cheapflights with our Price Alert feature and get notified when better prices are available.

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