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Cheap flights from Southampton to Southeast Asia from £337

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 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — BKK
17 Jan — 24 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southampton to Southeast Asia

Enter your travel dates to find the best prices.

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 18 December 2025.

Wed 31/1208:40SOU - BKK
2 stops38h 25mMultiple Airlines
Tue 20/115:00BKK - SOU
2 stops47h 50mMultiple Airlines
Deal found 16/12£1,211
Wed 31/1208:40SOU - BKK
2 stops38h 25mMultiple Airlines
Wed 21/108:00BKK - SOU
2 stops30h 50mMultiple Airlines
Deal found 17/12£1,214
Tue 23/1208:40SOU - HAN
2 stops20h 40mMultiple Airlines
Tue 13/119:10HAN - SOU
2 stops23h 45mMultiple Airlines
Deal found 15/12£1,300
Tue 30/1220:10SOU - BKK
2 stops39h 15mQatar Airways
Wed 21/119:50BKK - SOU
2 stops30h 50mQatar Airways
Deal found 17/12£1,474
Tue 30/1220:10SOU - BKK
2 stops39h 15mQatar Airways
Thu 22/108:15BKK - SOU
2 stops38h 20mQatar Airways
Deal found 17/12£1,475
Tue 30/1220:10SOU - BKK
2 stops39h 15mQatar Airways
Sun 18/109:05BKK - SOU
2 stops41h 35mQatar Airways
Deal found 17/12£1,501
Tue 23/1212:25SOU - HAN
2 stops40h 55mQatar Airways
Wed 14/119:10HAN - SOU
2 stops31h 30mQatar Airways
Deal found 15/12£1,503
Tue 23/1212:25SOU - HAN
2 stops35h 30mQatar Airways
Thu 15/108:55HAN - SOU
2 stops37h 40mQatar Airways
Deal found 15/12£1,505
Mon 22/1209:30SOU - KUL
2 stops27h 10mQatar Airways
Wed 28/102:40KUL - SOU
2 stops25h 00mQatar Airways
Deal found 16/12£1,514
Tue 16/1212:25SOU - BKK
2 stops24h 00mQatar Airways
Sat 31/109:05BKK - SOU
2 stops37h 30mQatar Airways
Deal found 16/12£1,516
Tue 23/1212:25SOU - SIN
2 stops36h 20mQatar Airways
Thu 8/120:15SIN - SOU
2 stops31h 25mQatar Airways
Deal found 16/12£1,534
Mon 22/1209:30SOU - KUL
2 stops27h 10mQatar Airways
Sun 25/121:15KUL - SOU
2 stops26h 20mQatar Airways
Deal found 16/12£1,540

Find 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 18 December 2025.

Round-trip from

£473

One-way from

£337

Popular in

December

Cheapest in

May

Average price

£852
KLM
  • KLM
  • 15/1-21/1
  • 2 total stops
  • 62h 00m total
  • Southampton to Southeast Asia
Search Deals
1/2
  • 1/2
  • 3 total stops
  • 42h 10m total
  • Southampton to Southeast Asia
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£40 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 18 December 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

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Thu 15/1

09:00-16:15

1 stop23h 15m

Singapore Changi

Wed 21/1

01:40-08:25

1 stop38h 45m

£473

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Fri 30/1

17:35-09:00

2 stops31h 25m

Singapore Changi

Thu 5/2

01:40-17:05

1 stop23h 25m

£550

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Sun 1/2

17:45-16:55

2 stops39h 10m

Singapore Changi

Sun 8/2

22:50-17:05

2 stops26h 15m

£560

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Wed 22/4

09:10-15:45

2 stops23h 35m

Singapore Changi

Mon 27/4

03:15-19:30

2 stops23h 15m

£734

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Thu 15/1

20:10-12:30

3 stops32h 20m

Singapore Changi

Thu 22/1

08:20-08:25

3 stops32h 05m

£746

SouthamptonKuala Lumpur

SOU - KUL

SOUKUL

Southampton Eastleigh

Mon 9/2

20:10-13:55

2 stops33h 45m

Kuala Lumpur Intl

Sun 22/2

02:40-19:40

2 stops25h 00m

£748

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Thu 22/1

08:40-18:40

2 stops50h 00m

Singapore Changi

Sat 7/2

22:05-19:55

2 stops29h 50m

£748

SouthamptonKuala Lumpur

SOU - KUL

SOUKUL

Southampton Eastleigh

Mon 2/3

20:10-07:55

2 stops27h 45m

Kuala Lumpur Intl

Wed 18/3

19:55-19:40

2 stops31h 45m

£750

SouthamptonKuala Lumpur

SOU - KUL

SOUKUL

Southampton Eastleigh

Thu 5/3

20:10-07:55

2 stops27h 45m

Kuala Lumpur Intl

Sun 22/3

02:00-19:40

2 stops25h 40m

£750

SouthamptonKuala Lumpur

SOU - KUL

SOUKUL

Southampton Eastleigh

Thu 5/3

20:10-07:55

2 stops27h 45m

Kuala Lumpur Intl

Thu 19/3

19:55-15:35

2 stops27h 40m

£750

Flights are sorted by cheapest return flights first.

Deals found on 17/12

Showing 1-10 of 60 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 £335). Flying from Southampton to Southeast Asia in July is currently the most expensive (average of £514). 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 18 December 2025.

A simple way to save on the total cost of your ticket is to fly from Southampton to Southeast Asia in the evening. If you’re flexible enough to do this you can expect to save up to 46% on your trip compared to booking a flight in the morning.

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 23h 15m. Your travel time can differ by up to 10h 30m. 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 - Kuala Lumpur Intl 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 £335). Flying from Southampton to Southeast Asia in July is currently the most expensive (average of £514). 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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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 18 December 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£565Average£774FlexibilityNo 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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