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£299+ Cheap flights to 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 27/1. Fares are subject to change and may not be available on all flights or dates of travel.
— BKK
22 Dec — 29 Dec1
1 adult

Flights to Southeast Asia in 2024

Find the latest flights to Southeast Asia in 2024, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 17 December 2024.

Return from

£468

One-way from

£299

Popular in

December

Cheapest in

May

Average price

£925
Hainan Airlines
  • Hainan Airlines
  • 20/1-2/2
  • 4 total stops
  • 67h 50m total
  • London to Bangkok
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27/1
  • 27/1
  • 2 total stops
  • 53h 45m total
  • London to Southeast Asia
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High demand for flights, 6% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for return flights in December 2024
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Find flights to Southeast Asia

Browse one-way and return flights deals to Southeast Asia on Cheapflights. Flight deals are based on user searches and were last updated on 17 December 2024
Explore Southeast Asia
Flights to Bangkok
Flights to Manila
Flights to Kuala Lumpur
Flights to Denpasar
Flights to Phuket City
Flights to Singapore

Find flight deals to Southeast Asia

Cheapest flights to Southeast Asia
Explore the most affordable flight options available to Southeast Asia. Find the lowest fares based on data from user searches, with prices last updated on 17 December 2024.

Wed 25/1211:40LGW - BKK
2 stops41h 50mAir China
Tue 14/101:40BKK - LGW
1 stop36h 15mAir China
Deal found 16/12£523
Mon 30/1220:25LHR - BKK
1 stop20h 45mAir China
Sun 19/119:30BKK - LHR
1 stop29h 20mAir China
Deal found 16/12£530
Tue 31/1209:00LHR - SIN
2 stops22h 30mMultiple Airlines
Thu 9/104:50SIN - LHR
3 stops34h 20mMultiple Airlines
Deal found 16/12£533
Fri 27/1221:00LHR - BKK
2 stops30h 05mHainan Airlines
Sun 19/111:10BKK - LHR
2 stops37h 45mHainan Airlines
Deal found 16/12£567
Mon 30/1217:50LHR - HKT
1 stop21h 10mChina Eastern
Wed 12/323:05HKT - LHR
1 stop21h 50mChina Eastern
Deal found 16/12£592
Sun 29/1220:05LHR - BKK
1 stop27h 40mOman Air
Sat 4/109:15BKK - LHR
1 stop16h 10mOman Air
Deal found 16/12£600
Sun 29/1221:30LHR - MNL
2 stops53h 20mChina Southern
Mon 10/312:00MNL - LHR
1 stop38h 15mChina Southern
Deal found 16/12£604
Mon 30/1210:00LGW - BKK
1 stop19h 30mEthiopian Air
Sat 18/101:35BKK - LGW
1 stop35h 05mEthiopian Air
Deal found 16/12£617
Tue 31/1210:30LGW - BKK
1 stop34h 35mChina Eastern
Wed 22/116:50BKK - LGW
1 stop20h 40mChina Eastern
Deal found 17/12£638
Tue 31/1206:35LGW - BKK
2 stops24h 55mMultiple Airlines
Wed 22/116:50BKK - LGW
1 stop20h 40mMultiple Airlines
Deal found 17/12£639
Tue 31/1213:30LHR - BKK
1 stop34h 50mAir India
Wed 29/122:30BKK - LHR
1 stop27h 50mAir India
Deal found 16/12£641
Tue 31/1217:50LHR - BKK
1 stop35h 30mChina Eastern
Sun 2/313:35BKK - LHR
1 stop34h 55mChina Eastern
Deal found 16/12£649

Find flights to Southeast Asia within your budget

Locate flights to Southeast Asia that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 17 December 2024.

Fly from

Any airport

Route

Depart

Return

Price

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Wed 8/1

10:30-18:25

1 stop24h 55m

Bangkok Suvarnabhumi

Mon 20/1

04:05-06:30

2 stops33h 25m

£468

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 7/1

20:25-21:30

1 stop18h 05m

Bangkok Suvarnabhumi

Tue 25/2

01:30-17:50

1 stop23h 20m

£468

LondonBangkok

STN - BKK

STNBKK

London Stansted

Tue 4/2

07:30-21:30

2 stops31h 00m

Bangkok Suvarnabhumi

Tue 18/2

08:25-07:35

2 stops30h 10m

£468

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 4/3

22:00-10:10

1 stop29h 10m

Bangkok Suvarnabhumi

Sun 16/3

20:20-18:15

1 stop28h 55m

£469

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 6/5

13:15-14:05

1 stop18h 50m

Bangkok Suvarnabhumi

Fri 16/5

17:55-11:30

1 stop23h 35m

£470

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Tue 7/1

06:50-00:40

2 stops34h 50m

Bangkok Suvarnabhumi

Tue 21/1

13:50-10:50

2 stops28h 00m

£470

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Fri 28/2

21:00-10:05

2 stops30h 05m

Bangkok Suvarnabhumi

Sun 16/3

19:10-17:55

2 stops29h 45m

£474

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 22/1

21:00-18:25

1 stop38h 25m

Bangkok Suvarnabhumi

Thu 27/2

05:05-17:30

1 stop19h 25m

£475

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Tue 7/1

11:40-00:40

1 stop30h 00m

Bangkok Suvarnabhumi

Sun 26/1

01:40-06:55

1 stop36h 15m

£477

LondonManila

LHR - MNL

LHRMNL

London Heathrow

Tue 14/1

21:30-22:30

2 stops41h 00m

Manila Ninoy Aquino Intl

Fri 14/3

08:20-18:15

1 stop17h 55m

£478

Flights are sorted by cheapest return flights first.

Deals found on 16/12

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

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

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

How long is the flight to Southeast Asia?

On average, a flight from London to Southeast Asia takes 23 hours 15 minutes. Flights to Southeast Asia from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly to Southeast Asia?

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

Users looking for the lowest fares to Southeast Asia should consider flying on Friday mornings, when prices are typically cheapest. Budget-minded travellers will want to avoid Saturday at midday, when prices are usually at their highest.

Weekly flight availability to Southeast Asia

The most flights from London to Southeast Asia 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).

What are the most popular airlines that fly to Southeast Asia?

The most popular airlines flying from London to Southeast Asia are Qatar Airways, Air China and Thai Airways.

Qatar Airways

Qatar Airways

From £632

Air China

Air China

From £452

Thai Airways

Thai Airways

From £696

EVA Air

EVA Air

From £754

What are the cheapest airlines that fly to Southeast Asia?

The cheapest airlines flying from London to Southeast Asia are Bangkok Airways, Shenzhen Airlines and Air China.

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 December 2024.
Peruse reviews from past customers who have flown Hainan Airlines, China Eastern and Air China to Southeast Asia to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very Good
1,018 reviews
Check prices

Crew

8.7

Overall

8.4

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Food

8.1

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.4
Very Good
1,018 reviews
Korean Air
8.4
Very Good
1,018 reviews
Check prices

Crew

8.7

Overall

8.4

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Food

8.1

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Singapore Airlines
8.1
Very Good
1,329 reviews
Korean Air
8.4
Very Good
1,018 reviews
Check prices

Crew

8.7

Overall

8.4

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Food

8.1

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Emirates
8.1
Very Good
3,411 reviews
Korean Air
8.4
Very Good
1,018 reviews
Check prices

Crew

8.7

Overall

8.4

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Food

8.1

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

KLM
7.8
Good
1,351 reviews
Korean Air
8.4
Very Good
1,018 reviews
Check prices

Crew

8.7

Overall

8.4

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Food

8.1

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

  • Can I find cheaper flights to Southeast Asia if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Southeast Asia on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Southeast Asia?

    Based on reviews from Cheapflights users, Shenzhen Airlines is rated the highest out of the airlines that fly to Southeast Asia.

  • How much is a return flight to Southeast Asia?

    A return flight to Southeast Asia will typically cost around £617, however they can be found for as little as £47.

  • Where does the fastest flight to Southeast Asia depart from?

    For those looking to save time traveling to Southeast Asia, London offers the quickest one-way flight (11 hours 20 minutes).

  • Does Bangkok Suvarnabhumi have car hire?

    Yes. Those touching down at Bangkok Suvarnabhumi can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Bangkok Suvarnabhumi?

    Yes. Bangkok Suvarnabhumi has hotels nearby for those requiring accommodations. Louis Tavern Dayrooms At Suvarnabhumi Airport is the closest property to Bangkok Suvarnabhumi (0.0 mi away from Bangkok Suvarnabhumi).

See more FAQs

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

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

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

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