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Cheap flights from Southampton to Southeast Asia from £407

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 22/10. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — BKK
3 Sep — 10 Sep1
1 adult

Cheap flight deals from Southampton to Southeast Asia

Keep the following information in mind while searching for Southampton to Southeast Asia flight deals. Data was last updated 29 August 2025.

Round-trip from

£585

One-way from

£407

Popular in

December

Cheapest in

May

Average price

£748
7/10-13/10
  • 7/10-13/10
  • 4 total stops
  • 69h 35m total
  • Southampton to Southeast Asia
Search Deals
22/10
  • 22/10
  • 3 total stops
  • 54h 40m total
  • Southampton to Southeast Asia
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£42 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Southampton to Southeast Asia

Cheapest flights from Southampton to Southeast Asia
Explore the most affordable flight options available from Southampton to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Tue 7/1009:10SOU - HKT
2 stops32h 25mMultiple Airlines
Mon 13/1000:55HKT - SOU
2 stops37h 10mMultiple Airlines
Deal found 27/8£585
Sun 12/1020:00SOU - CGK
2 stops31h 35mMultiple Airlines
Sat 18/1000:45CGK - SOU
2 stops38h 25mMultiple Airlines
Deal found 28/8£622
Wed 8/1020:00SOU - BKK
2 stops28h 30mMultiple Airlines
Tue 21/1002:55BKK - SOU
2 stops46h 35mMultiple Airlines
Deal found 28/8£622
Sat 22/1117:30SOU - SIN
1 stop14h 45mMultiple Airlines
Sat 6/1218:35SIN - SOU
2 stops45h 35mMultiple Airlines
Deal found 27/8£627
Sun 12/1020:00SOU - KUL
2 stops29h 10mMultiple Airlines
Sun 19/1009:50KUL - SOU
2 stops30h 20mMultiple Airlines
Deal found 28/8£632
Sat 22/1117:30SOU - SIN
1 stop14h 45mKLM
Fri 5/1201:40SIN - SOU
1 stop23h 20mKLM
Deal found 27/8£636
Fri 3/1020:00SOU - BKK
2 stops45h 55mMultiple Airlines
Sat 18/1002:55BKK - SOU
2 stops36h 15mMultiple Airlines
Deal found 27/8£670
Sat 4/1009:40SOU - BKK
2 stops56h 15mMultiple Airlines
Sat 18/1002:55BKK - SOU
2 stops36h 15mMultiple Airlines
Deal found 27/8£677
Sun 12/1009:20SOU - KUL
1 stop23h 20mKLM
Sun 19/1023:55KUL - SOU
1 stop15h 50mKLM
Deal found 28/8£690
Sat 11/1016:25SOU - KUL
2 stops32h 45mMultiple Airlines
Sat 18/1021:40KUL - SOU
2 stops42h 30mMultiple Airlines
Deal found 26/8£702
Sat 11/1016:25SOU - SIN
2 stops34h 15mMultiple Airlines
Sat 18/1021:10SIN - SOU
2 stops53h 20mMultiple Airlines
Deal found 28/8£716
Sat 11/1016:25SOU - BKK
2 stops49h 30mMultiple Airlines
Sat 18/1020:55BKK - SOU
2 stops42h 15mMultiple Airlines
Deal found 27/8£719

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southampton 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 29 August 2025.
Use the filters below to find and compare flights from Southampton to Southeast Asia that are best for you.

Fly from

Southampton

Fly to

Southeast Asia

Route

Depart

Return

Price

SouthamptonPhuket City

SOU - HKT

SOUHKT

Southampton Eastleigh

Tue 7/10

09:10-23:35

2 stops32h 25m

Phuket City

Mon 13/10

00:55-08:05

2 stops37h 10m

£585

SouthamptonJakarta

SOU - CGK

SOUCGK

Southampton Eastleigh

Sun 12/10

20:00-09:35

2 stops31h 35m

Jakarta Soekarno-Hatta Intl

Sat 18/10

00:45-09:10

2 stops38h 25m

£622

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Wed 8/10

20:00-06:30

2 stops28h 30m

Bangkok Suvarnabhumi

Tue 21/10

02:55-19:30

2 stops46h 35m

£622

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Sat 22/11

17:30-16:15

1 stop14h 45m

Singapore Changi

Sat 6/12

18:35-08:10

2 stops45h 35m

£627

SouthamptonKuala Lumpur

SOU - KUL

SOUKUL

Southampton Eastleigh

Sun 12/10

20:00-08:10

2 stops29h 10m

Kuala Lumpur Intl

Sun 19/10

09:50-09:10

2 stops30h 20m

£632

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Sat 22/11

17:30-16:15

1 stop14h 45m

Singapore Changi

Fri 5/12

01:40-17:00

1 stop23h 20m

£636

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Fri 3/10

20:00-23:55

2 stops45h 55m

Bangkok Suvarnabhumi

Sat 18/10

02:55-09:10

2 stops36h 15m

£670

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Sat 4/10

09:40-23:55

2 stops56h 15m

Bangkok Suvarnabhumi

Sat 18/10

02:55-09:10

2 stops36h 15m

£677

SouthamptonKuala Lumpur

SOU - KUL

SOUKUL

Southampton Eastleigh

Sun 12/10

09:20-15:40

1 stop23h 20m

Kuala Lumpur Intl

Sun 19/10

23:55-08:45

1 stop15h 50m

£690

SouthamptonKuala Lumpur

SOU - KUL

SOUKUL

Southampton Eastleigh

Sat 11/10

16:25-08:10

2 stops32h 45m

Kuala Lumpur Intl

Sat 18/10

21:40-09:10

2 stops42h 30m

£702

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Showing 1-10 of 58 results
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Best time to book a flight from Southampton to Southeast Asia

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

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

Currently, May is the cheapest month in which you can book a flight from Southampton to Southeast Asia (average of £717). Flying from Southampton 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 SOU to YJX?

Find hourly flight availability from Southampton 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 29 August 2025.

When flying from Southampton 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.

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 29 August 2025.
See what other customers who have flown with KLM from Southampton to Southeast Asia have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,383 reviews
Check prices

Overall

7.8

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.7

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,383 reviews
KLM
7.8
Good
1,383 reviews
Check prices

Overall

7.8

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.7

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

Find useful and relevant information for your journey from Southampton 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 airport do you fly from for flights from Southampton to Southeast Asia?

    For a flight from Southampton to Southeast Asia, you will be flying from Eastleigh. Southampton Eastleigh (SOU) is just 3.5 mi from the center of the city.

  • How long is the flight from Southampton to Southeast Asia?

    KLM and Qatar Airways can get you from Southampton to Southeast Asia in just under 14h 45m. Your travel time can differ by up to 7h 50m. The distance between Southampton and Southeast Asia is about 6803 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Most travelers choose Southampton Eastleigh - Bangkok Suvarnabhumi, Southampton Eastleigh - Manila Ninoy Aquino Intl or Southampton Eastleigh - Hanoi Noibai when deciding on the best route from Southampton to Southeast Asia.

  • Can I find deals for flights from Southampton to Southeast Asia that include hotel bookings?

    Yes. In addition to deals on Southampton to Southeast Asia flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Southampton to Southeast Asia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southampton to Southeast Asia.

  • Can I find deals for business class flights from Southampton to Southeast Asia?

    Yes. Cheapflights offers flight deals from Southampton 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 Southampton to Southeast Asia?

    Currently, May is the cheapest month in which you can book a flight from Southampton to Southeast Asia (average of £717). Flying from Southampton 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 Southampton to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.
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Gatwick to Singapore flights
Heathrow to Taiwan Taoyuan Intl flights
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Gatwick to Manila flights
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Stansted to Manila flights
Gatwick to Hong Kong flights
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Stansted to Mumbai flights
Manchester to Islamabad flights
Gatwick to Mumbai flights
Heathrow to Islamabad flights
Stansted to Kuala Lumpur Intl flights
Gatwick to Colombo flights
Heathrow to Kathmandu flights
London City to Kuala Lumpur Intl flights
Heathrow to Ahmedabad flights
London City to Hong Kong flights
Stansted to Hong Kong flights
Heathrow to Lahore flights
Heathrow to Ho Chi Minh City flights
Heathrow to Gimpo Intl flights
London City to New Delhi flights
Heathrow to Bangalore flights
London City to Manila flights
Stansted to Colombo flights

Top airline flying from Southampton to Southeast Asia

Discover the top airline that operate flights from Southampton 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 29 August 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£566Average£886FlexibilityNo cancel feeOn-time75%
Search KLM 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 Southampton to Southeast Asia?

Cheapflights makes it easy to find Southampton to Southeast Asia flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

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

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

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

Yes! Start tracking prices for Southampton to Southeast Asia flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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