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Cheap flights from Southampton to Southeast Asia from £422

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 21/9. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — BKK
5 Aug — 12 Aug1
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 6 July 2026.

Tue 22/909:05
SOU
-
BKK
2 stops18h 10m
KLM
Mon 5/1012:05
BKK
-
SOU
1 stop34h 45m
KLM
Deal found 5/7£579
Tue 8/917:20
SOU
-
BKK
1 stop34h 10m
KLM
Mon 5/1012:05
BKK
-
SOU
1 stop26h 30m
KLM
Deal found 3/7£582
Tue 22/914:25
SOU
-
BKK
3 stops34h 20m
Multiple Airlines
Sun 4/1003:15
BKK
-
SOU
2 stops35h 25m
Multiple Airlines
Deal found 5/7£647
Tue 3/1120:00
SOU
-
HKT
2 stops44h 50m
Multiple Airlines
Tue 17/1115:30
HKT
-
SOU
2 stops35h 00m
Multiple Airlines
Deal found 3/7£666
Fri 28/820:00
SOU
-
HKT
2 stops40h 20m
Multiple Airlines
Mon 31/809:25
HKT
-
SOU
2 stops29h 15m
Multiple Airlines
Deal found 5/7£802
Tue 11/820:00
SOU
-
HKT
2 stops28h 40m
Multiple Airlines
Tue 18/815:20
HKT
-
SOU
2 stops31h 30m
Multiple Airlines
Deal found 1/7£806
Wed 19/820:00
SOU
-
HKT
2 stops34h 30m
Multiple Airlines
Wed 26/815:20
HKT
-
SOU
2 stops47h 20m
Multiple Airlines
Deal found 5/7£820
Sat 15/820:00
SOU
-
HKT
2 stops40h 20m
Multiple Airlines
Sat 22/821:20
HKT
-
SOU
2 stops41h 20m
Multiple Airlines
Deal found 3/7£838
Fri 30/1009:20
SOU
-
HKT
2 stops20h 35m
Multiple Airlines
Fri 6/1100:50
HKT
-
SOU
2 stops22h 45m
Multiple Airlines
Deal found 4/7£856
Sun 6/909:20
SOU
-
KUL
2 stops21h 55m
Multiple Airlines
Fri 18/902:40
KUL
-
SOU
2 stops23h 50m
Multiple Airlines
Deal found 3/7£865
Sat 5/909:20
SOU
-
KUL
2 stops28h 20m
Multiple Airlines
Fri 18/902:40
KUL
-
SOU
2 stops23h 50m
Multiple Airlines
Deal found 3/7£873
Sun 20/909:20
SOU
-
KUL
2 stops28h 20m
Qatar Airways
Fri 16/1021:50
KUL
-
SOU
2 stops28h 40m
Qatar Airways
Deal found 1/7£875

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 6 July 2026.

Round-trip from

£579

One-way from

£422

Popular in

December

Cheapest in

September

Average price

£800
KLM
  • KLM
  • 22/9-5/10
  • 3 total stops
  • 52h 55m total
  • Southampton to Southeast Asia
Search Deals
21/9
  • 21/9
  • 2 total stops
  • 55h 05m total
  • Southampton to Southeast Asia
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£33 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 July 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 6 July 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 8/9

17:20-09:30

1 stop34h 10m

Bangkok Suvarnabhumi

Mon 5/10

12:05-08:35

1 stop26h 30m

£585

SouthamptonPhuket City

SOU - HKT

SOUHKT

Southampton Eastleigh

Tue 3/11

20:00-23:50

2 stops44h 50m

Phuket City

Tue 17/11

15:30-19:30

2 stops35h 00m

£666

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Sun 13/9

20:00-12:55

2 stops34h 55m

Bangkok Suvarnabhumi

Mon 21/9

02:30-19:30

2 stops23h 00m

£797

SouthamptonPhuket City

SOU - HKT

SOUHKT

Southampton Eastleigh

Fri 28/8

20:00-18:20

2 stops40h 20m

Phuket City

Mon 31/8

09:25-08:40

2 stops29h 15m

£802

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Tue 3/11

09:20-13:05

2 stops20h 45m

Bangkok Suvarnabhumi

Sun 22/11

02:00-16:35

2 stops21h 35m

£812

SouthamptonPhuket City

SOU - HKT

SOUHKT

Southampton Eastleigh

Wed 19/8

20:00-12:30

2 stops34h 30m

Phuket City

Wed 26/8

15:20-08:40

2 stops47h 20m

£820

SouthamptonPhuket City

SOU - HKT

SOUHKT

Southampton Eastleigh

Sat 15/8

20:00-18:20

2 stops40h 20m

Phuket City

Sat 22/8

21:20-08:40

2 stops41h 20m

£838

SouthamptonPhuket City

SOU - HKT

SOUHKT

Southampton Eastleigh

Fri 30/10

09:20-12:55

2 stops20h 35m

Phuket City

Fri 6/11

00:50-16:35

2 stops22h 45m

£856

SouthamptonKuala Lumpur

SOU - KUL

SOUKUL

Southampton Eastleigh

Sun 6/9

09:20-14:15

2 stops21h 55m

Kuala Lumpur Intl

Fri 18/9

02:40-19:30

2 stops23h 50m

£865

SouthamptonKuala Lumpur

SOU - KUL

SOUKUL

Southampton Eastleigh

Sun 6/9

20:00-15:15

2 stops36h 15m

Kuala Lumpur Intl

Fri 18/9

21:50-19:30

2 stops28h 40m

£875

Flights are sorted by cheapest return flights first.

Deals found on 6/7

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 34h 10m. Your travel time can differ by up to 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 - Kuala Lumpur Intl or Southampton Eastleigh - Manila Ninoy Aquino 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.

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 Haneda flights
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Stansted to Narita flights
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London City to Narita flights
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Gatwick to Manila flights
Stansted to Manila flights
Manchester to Islamabad flights
Heathrow to Singapore flights
Heathrow to Bangalore flights
London City to Haneda flights
Gatwick to Kuala Lumpur Intl flights
Manchester to Don Mueang Intl flights
Gatwick to Singapore flights
Stansted to Mumbai flights
Gatwick to Mumbai flights
Stansted to Colombo flights
Stansted to Islamabad flights
Heathrow to Denpasar flights
Gatwick to Islamabad flights
Gatwick to Colombo flights
Stansted to New Delhi flights
Heathrow to Lahore flights
London City to Manila flights
Gatwick to New Delhi flights
Heathrow to Hongqiao Intl flights
Stansted to Kuala Lumpur Intl flights
Gatwick to Hong Kong flights
Gatwick to Denpasar flights
Heathrow to Phuket City flights
Stansted to Hong Kong flights
Heathrow to Chennai 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 6 July 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£566Average£1,042FlexibilityNo 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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