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Cheap flights from Southampton to Southeast Asia from £371

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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — BKK
19 Jun — 26 Jun1
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 20 May 2026.

Tue 9/609:20
SOU
-
BKK
2 stops26h 50m
Multiple Airlines
Tue 16/609:45
BKK
-
SOU
2 stops27h 55m
Multiple Airlines
Deal found 17/5£585
Sun 9/817:20
SOU
-
BKK
2 stops24h 30m
Multiple Airlines
Mon 31/809:15
BKK
-
SOU
2 stops29h 25m
Multiple Airlines
Deal found 16/5£597
Tue 8/909:05
SOU
-
BKK
2 stops18h 10m
KLM
Mon 5/1012:05
BKK
-
SOU
1 stop34h 45m
KLM
Deal found 19/5£600
Mon 28/917:20
SOU
-
BKK
2 stops33h 55m
KLM
Mon 19/1012:05
BKK
-
SOU
1 stop34h 45m
KLM
Deal found 18/5£605
Mon 28/909:20
SOU
-
BKK
2 stops26h 50m
Multiple Airlines
Mon 19/1015:05
BKK
-
SOU
2 stops34h 25m
Multiple Airlines
Deal found 18/5£615
Tue 9/609:05
SOU
-
BKK
1 stop16h 20m
KLM
Tue 16/612:05
BKK
-
SOU
1 stop26h 30m
KLM
Deal found 19/5£634
Tue 9/609:20
SOU
-
HKT
2 stops32h 35m
Multiple Airlines
Mon 6/702:25
HKT
-
SOU
2 stops35h 40m
Multiple Airlines
Deal found 19/5£644
Mon 7/917:20
SOU
-
CGK
2 stops21h 15m
Multiple Airlines
Fri 25/900:45
CGK
-
SOU
2 stops37h 50m
Multiple Airlines
Deal found 18/5£645
Mon 22/609:20
SOU
-
HKT
2 stops27h 05m
Multiple Airlines
Fri 26/609:25
HKT
-
SOU
2 stops37h 25m
Multiple Airlines
Deal found 15/5£673
Sat 4/720:00
SOU
-
HKT
2 stops34h 05m
Multiple Airlines
Sat 11/715:45
HKT
-
SOU
2 stops31h 05m
Multiple Airlines
Deal found 20/5£706
Wed 3/609:20
SOU
-
HKT
2 stops27h 00m
Multiple Airlines
Tue 9/615:50
HKT
-
SOU
2 stops33h 40m
Multiple Airlines
Deal found 19/5£713
Wed 17/620:00
SOU
-
SIN
2 stops30h 40m
Multiple Airlines
Tue 23/621:00
SIN
-
SOU
2 stops26h 50m
Multiple Airlines
Deal found 18/5£721

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 20 May 2026.

Round-trip from

£585

One-way from

£371

Popular in

December

Cheapest in

September

Average price

£545
9/6-16/6
  • 9/6-16/6
  • 4 total stops
  • 54h 45m total
  • Southampton to Southeast Asia
Search Deals
2/6
  • 2/6
  • 3 total stops
  • 36h 20m total
  • Southampton to Southeast Asia
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£27 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
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 20 May 2026.
Use the filters below to find and compare flights from Southampton to Southeast Asia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Tue 9/6

09:20-18:10

2 stops26h 50m

Bangkok Suvarnabhumi

Tue 16/6

09:45-07:40

2 stops27h 55m

£591

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Tue 8/9

09:05-09:15

2 stops18h 10m

Bangkok Suvarnabhumi

Mon 5/10

11:25-16:50

2 stops35h 25m

£625
Fastest return journey

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Tue 9/6

09:05-07:25

1 stop16h 20m

Bangkok Suvarnabhumi

Tue 16/6

12:05-08:35

1 stop26h 30m

£634

SouthamptonJakarta

SOU - CGK

SOUCGK

Southampton Eastleigh

Mon 7/9

17:20-20:35

2 stops21h 15m

Jakarta Soekarno-Hatta Intl

Fri 25/9

00:45-08:35

2 stops37h 50m

£645

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Wed 17/6

20:00-09:40

2 stops30h 40m

Singapore Changi

Tue 23/6

21:00-16:50

2 stops26h 50m

£727

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Tue 16/6

09:20-21:15

2 stops28h 55m

Singapore Changi

Mon 22/6

03:15-19:30

2 stops23h 15m

£792

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Mon 28/9

20:00-08:50

2 stops29h 50m

Singapore Changi

Wed 14/10

19:40-19:30

2 stops30h 50m

£792

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Sun 7/6

20:00-09:20

2 stops30h 20m

Singapore Changi

Mon 22/6

19:40-19:30

2 stops30h 50m

£799

SouthamptonKuala Lumpur

SOU - KUL

SOUKUL

Southampton Eastleigh

Tue 30/6

20:00-21:40

2 stops42h 40m

Kuala Lumpur Intl

Sat 25/7

09:30-19:30

2 stops41h 00m

£800

SouthamptonDenpasar

SOU - DPS

SOUDPS

Southampton Eastleigh

Tue 1/9

17:20-23:30

2 stops23h 10m

Denpasar Bali Ngurah Rai

Sat 5/9

01:30-08:40

2 stops38h 10m

£803

Flights are sorted by cheapest return flights first.

Deals found on 20/5

Showing 1-10 of 60 resultsSorted by cheapest first
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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
No data available for this route at this time. Please check back soon.

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 18h 10m. Your travel time can differ by up to 10h 45m. The distance between Southampton and Southeast Asia is about 5995 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 - Denpasar Bali Ngurah Rai 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.

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.
Heathrow to Suvarnabhumi flights
Gatwick to Suvarnabhumi flights
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Stansted to Suvarnabhumi flights
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Heathrow to Kuala Lumpur Intl flights
Heathrow to Narita flights
Heathrow to New Delhi flights
Gatwick to Haneda flights
Gatwick to Narita flights
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Heathrow to Don Mueang Intl flights
Heathrow to Mumbai flights
Stansted to Narita flights
Gatwick to Don Mueang Intl flights
Gatwick to Kuala Lumpur Intl flights
Manchester to Suvarnabhumi flights
Heathrow to Manila flights
Stansted to Haneda flights
London City to Narita flights
Heathrow to Singapore flights
Manchester to Islamabad flights
Heathrow to Islamabad flights
Luton to Suvarnabhumi flights
Heathrow to Incheon Intl flights
Gatwick to Manila flights
Heathrow to Denpasar flights
Heathrow to Hongqiao Intl flights
London City to Haneda flights
Gatwick to Singapore flights
Stansted to Manila flights
Heathrow to Bangalore flights
Stansted to Kuala Lumpur Intl flights
Heathrow to Lahore flights
London City to Manila flights
Gatwick to New Delhi flights
Stansted to New Delhi flights
Gatwick to Denpasar flights
Stansted to Denpasar flights
London City to Kuala Lumpur Intl flights
Gatwick to Hongqiao Intl flights
Heathrow to Hyderabad flights
Stansted to Islamabad flights
London City to Denpasar flights
Heathrow to Chennai flights
Stansted to Lahore flights
Gatwick to Lahore flights
Gatwick to Colombo 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 20 May 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£564Average£1,038FlexibilityNo 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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