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Cheap flights from Southampton to Thailand from £349

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 14/9. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — BKK
12 Jun — 19 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southampton to Thailand

Enter your travel dates to find the best prices.

Cheapest flights from Southampton to Thailand
Explore the most affordable flight options available from Southampton to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 May 2026.

Tue 1/917:20
SOU
-
BKK
1 stop34h 10m
KLM
Wed 30/912:05
BKK
-
SOU
1 stop26h 30m
KLM
Deal found 11/5£539
Tue 1/917:20
SOU
-
BKK
1 stop34h 10m
KLM
Thu 1/1011:25
BKK
-
SOU
2 stops35h 25m
KLM
Deal found 11/5£566
Tue 8/917:20
SOU
-
BKK
2 stops33h 55m
KLM
Mon 5/1012:05
BKK
-
SOU
1 stop34h 45m
KLM
Deal found 11/5£605
Mon 8/617:20
SOU
-
BKK
2 stops24h 30m
Multiple Airlines
Sun 14/603:15
BKK
-
SOU
2 stops35h 25m
Multiple Airlines
Deal found 11/5£608
Sun 17/509:15
SOU
-
BKK
1 stop18h 15m
KLM
Wed 17/609:30
BKK
-
SOU
1 stop29h 05m
KLM
Deal found 12/5£627
Mon 8/617:20
SOU
-
BKK
1 stop32h 05m
KLM
Mon 15/608:30
BKK
-
SOU
1 stop30h 05m
KLM
Deal found 11/5£627
Tue 9/609:20
SOU
-
BKK
2 stops26h 50m
Multiple Airlines
Tue 16/615:05
BKK
-
SOU
2 stops31h 45m
Multiple Airlines
Deal found 11/5£630
Tue 9/609:20
SOU
-
HKT
2 stops32h 35m
Multiple Airlines
Tue 16/615:45
HKT
-
SOU
2 stops31h 05m
Multiple Airlines
Deal found 10/5£661
Mon 22/609:20
SOU
-
HKT
2 stops27h 05m
Multiple Airlines
Fri 26/615:45
HKT
-
SOU
2 stops33h 45m
Multiple Airlines
Deal found 13/5£751
Sat 20/620:00
SOU
-
HKT
2 stops45h 40m
Multiple Airlines
Fri 26/602:25
HKT
-
SOU
2 stops60h 15m
Multiple Airlines
Deal found 10/5£808
Wed 3/609:20
SOU
-
HKT
2 stops22h 55m
Multiple Airlines
Wed 10/621:00
HKT
-
SOU
2 stops25h 50m
Multiple Airlines
Deal found 9/5£817
Sun 17/509:15
SOU
-
HKT
2 stops26h 10m
Multiple Airlines
Sun 24/514:45
HKT
-
SOU
2 stops32h 05m
Multiple Airlines
Deal found 12/5£819

Find flight deals from Southampton to Thailand

Keep the following information in mind while searching for Southampton to Thailand flight deals. Data was last updated 13 May 2026.

Round-trip from

£539

One-way from

£349

Popular in

December

Cheapest in

September

Average price

£540
KLM
  • KLM
  • 1/9-30/9
  • 2 total stops
  • 60h 40m total
  • Southampton to Thailand
Search Deals
14/9
  • 14/9
  • 2 total stops
  • 24h 20m total
  • Southampton to Thailand
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£25 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 Thailand 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 13 May 2026.
Use the filters below to find and compare flights from Southampton to Thailand 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

17:20-09:15

2 stops33h 55m

Bangkok Suvarnabhumi

Mon 5/10

12:05-08:35

1 stop26h 30m

£606

SouthamptonPhuket City

SOU - HKT

SOUHKT

Southampton Eastleigh

Tue 9/6

09:20-23:55

2 stops32h 35m

Phuket City

Tue 16/6

15:45-16:50

2 stops31h 05m

£661

SouthamptonPhuket City

SOU - HKT

SOUHKT

Southampton Eastleigh

Mon 22/6

09:20-18:25

2 stops27h 05m

Phuket City

Fri 26/6

15:45-19:30

2 stops33h 45m

£751

SouthamptonPhuket City

SOU - HKT

SOUHKT

Southampton Eastleigh

Wed 3/6

09:20-14:15

2 stops22h 55m

Phuket City

Wed 10/6

21:00-16:50

2 stops25h 50m

£817

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Wed 3/6

09:20-19:55

2 stops28h 35m

Bangkok Suvarnabhumi

Tue 9/6

02:30-19:30

2 stops23h 00m

£830

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Tue 2/6

09:20-13:45

2 stops22h 25m

Bangkok Suvarnabhumi

Mon 8/6

02:30-19:30

2 stops23h 00m

£838

SouthamptonPhuket City

SOU - HKT

SOUHKT

Southampton Eastleigh

Sun 7/6

20:00-14:10

2 stops36h 10m

Phuket City

Thu 11/6

21:00-19:30

2 stops28h 30m

£841

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Wed 10/6

20:00-14:15

2 stops36h 15m

Bangkok Suvarnabhumi

Tue 30/6

03:00-19:30

2 stops22h 30m

£842

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Wed 17/6

08:15-12:55

2 stops22h 40m

Bangkok Suvarnabhumi

Sun 19/7

03:00-19:30

2 stops22h 30m

£845
Fastest return journey

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Tue 16/6

09:20-12:55

2 stops21h 35m

Bangkok Suvarnabhumi

Tue 21/7

03:00-19:30

2 stops22h 30m

£847

Flights are sorted by cheapest return flights first.

Deals found on 12/5

Showing 1-10 of 30 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Southampton to Thailand

Have a flexible travel schedule? Discover the best time to fly to Thailand 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 Thailand
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Thailand

Get insights into the airlines that provide service to Thailand. 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 Thailand. Reviews last updated 13 May 2026.
Read through reviews of airlines operating flights from Southampton to Thailand, such as KLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,517 reviews
Check prices

Entertainment

7.2

Crew

8.4

Overall

7.8

Boarding

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,517 reviews
KLM
7.8
Good
1,517 reviews
Check prices

Entertainment

7.2

Crew

8.4

Overall

7.8

Boarding

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Related info for your journey

Find useful and relevant information for your journey from Southampton to Thailand. 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 Thailand?

    Southampton Eastleigh (SOU) is the airport you will fly out of if you book a flight from Southampton to Thailand. It is only a 3.5 mi journey to Eastleigh (SOU) from Southampton’s city center.

  • How long is the flight from Southampton to Thailand?

    Departing from Southampton to Thailand will take you 22h 25m. The distance from Southampton to Thailand is about 5995 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Southampton to Thailand?

    While some choose either Southampton Eastleigh - Phuket City or Southampton Eastleigh - Ko Samui, Southampton Eastleigh - Bangkok Suvarnabhumi is the most popular route from Southampton to Thailand.

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

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

  • How can I find direct flights from Southampton to Thailand?

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

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

    Yes. Cheapflights offers flight deals from Southampton to Thailand 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Southampton to Thailand

See prices for flight routes from nearby airports that may be better suited for you.
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Gatwick to New Delhi flights
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Stansted to Manila flights
Heathrow to Lahore flights
Gatwick to Hongqiao Intl flights
Heathrow to Kathmandu flights
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Heathrow to Dhaka flights

Top airline flying from Southampton to Thailand

Discover the top airline that operate flights from Southampton to Thailand. 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 13 May 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£558Average£990FlexibilityNo 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 Thailand?

Cheapflights makes it easy to find Southampton to Thailand 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 Thailand?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Southampton to Thailand.

Can Cheapflights find flights from Southampton to Thailand with no change fees?

Need flexible booking options for your flight to Thailand from Southampton? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on Southampton to Thailand flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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