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Cheap flights from Southampton to Thailand from £361

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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — BKK
12 May — 19 May1
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 12 April 2026.

Sun 24/517:20
SOU
-
HKT
2 stops24h 35m
Multiple Airlines
Sun 31/515:20
HKT
-
SOU
2 stops31h 30m
Multiple Airlines
Deal found 9/4£552
Wed 3/620:00
SOU
-
BKK
2 stops33h 50m
Multiple Airlines
Tue 16/603:15
BKK
-
SOU
3 stops35h 20m
Multiple Airlines
Deal found 8/4£553
Mon 25/509:20
SOU
-
BKK
2 stops26h 50m
Multiple Airlines
Mon 1/609:45
BKK
-
SOU
2 stops28h 55m
Multiple Airlines
Deal found 10/4£553
Mon 11/509:20
SOU
-
HKT
2 stops32h 35m
Multiple Airlines
Sun 17/503:20
HKT
-
SOU
2 stops35h 20m
Multiple Airlines
Deal found 8/4£567
Mon 25/517:20
SOU
-
HKT
2 stops24h 35m
Multiple Airlines
Sun 31/502:25
HKT
-
SOU
2 stops36h 15m
Multiple Airlines
Deal found 10/4£571
Wed 27/509:20
SOU
-
HKT
2 stops28h 00m
Multiple Airlines
Wed 3/608:55
HKT
-
SOU
2 stops29h 45m
Multiple Airlines
Deal found 12/4£573
Wed 27/509:20
SOU
-
BKK
2 stops26h 50m
Multiple Airlines
Wed 3/621:00
BKK
-
SOU
2 stops28h 30m
Multiple Airlines
Deal found 12/4£582
Sat 23/520:00
SOU
-
BKK
2 stops28h 30m
Multiple Airlines
Sat 30/515:55
BKK
-
SOU
2 stops46h 45m
Multiple Airlines
Deal found 7/4£585
Wed 6/520:00
SOU
-
BKK
2 stops28h 45m
Multiple Airlines
Wed 13/520:40
BKK
-
SOU
2 stops42h 00m
Multiple Airlines
Deal found 8/4£586
Sat 2/517:20
SOU
-
BKK
2 stops18h 50m
Multiple Airlines
Fri 8/521:00
BKK
-
SOU
2 stops28h 30m
Multiple Airlines
Deal found 10/4£589
Sat 2/517:20
SOU
-
BKK
2 stops18h 50m
Multiple Airlines
Sat 9/509:40
BKK
-
SOU
2 stops28h 55m
Multiple Airlines
Deal found 11/4£591
Sun 24/509:20
SOU
-
BKK
2 stops27h 40m
Multiple Airlines
Sun 31/521:00
BKK
-
SOU
2 stops41h 40m
Multiple Airlines
Deal found 9/4£591

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 12 April 2026.

Round-trip from

£552

One-way from

£361

Popular in

July

Cheapest in

May

Average price

£614
24/5-31/5
  • 24/5-31/5
  • 4 total stops
  • 56h 05m total
  • Southampton to Thailand
Search Deals
1/6
  • 1/6
  • 2 total stops
  • 19h 40m total
  • Southampton to Thailand
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£51 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 12 April 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

SouthamptonPhuket City

SOU - HKT

SOUHKT

Southampton Eastleigh

Sun 24/5

17:20-18:20

2 stops19h 00m

Phuket City

Sun 31/5

15:20-19:30

2 stops34h 10m

£570

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Tue 8/9

09:05-09:30

1 stop18h 25m

Bangkok Suvarnabhumi

Mon 5/10

12:05-16:50

1 stop34h 45m

£605

SouthamptonPhuket City

SOU - HKT

SOUHKT

Southampton Eastleigh

Mon 25/5

17:20-23:55

2 stops24h 35m

Phuket City

Mon 1/6

21:20-16:50

3 stops25h 30m

£752

SouthamptonPhuket City

SOU - HKT

SOUHKT

Southampton Eastleigh

Thu 14/5

09:10-14:05

2 stops22h 55m

Phuket City

Tue 26/5

20:45-19:30

2 stops28h 45m

£772

SouthamptonPhuket City

SOU - HKT

SOUHKT

Southampton Eastleigh

Mon 11/5

09:10-14:05

2 stops22h 55m

Phuket City

Thu 28/5

20:45-19:30

2 stops28h 45m

£772

SouthamptonPhuket City

SOU - HKT

SOUHKT

Southampton Eastleigh

Thu 14/5

09:10-14:05

2 stops22h 55m

Phuket City

Tue 2/6

20:45-19:30

2 stops28h 45m

£781

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Wed 13/5

20:00-14:15

2 stops36h 15m

Bangkok Suvarnabhumi

Mon 15/6

02:30-19:30

2 stops23h 00m

£781

SouthamptonPhuket City

SOU - HKT

SOUHKT

Southampton Eastleigh

Mon 11/5

09:10-14:05

2 stops22h 55m

Phuket City

Tue 19/5

20:45-19:30

2 stops28h 45m

£783

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Thu 4/6

09:10-14:15

2 stops23h 05m

Bangkok Suvarnabhumi

Thu 11/6

19:45-19:30

2 stops29h 45m

£790

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Mon 18/5

09:10-13:05

2 stops21h 55m

Bangkok Suvarnabhumi

Thu 11/6

19:45-19:30

2 stops29h 45m

£790

Flights are sorted by cheapest return flights first.

Deals found on 11/4

Showing 1-10 of 37 resultsSorted by cheapest first
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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

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

Currently, May is the cheapest month in which you can book a flight from Southampton to Thailand (average of £202). Flying from Southampton to Thailand in August is currently the most expensive (average of £492). 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.

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 12 April 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
1,495 reviews
Check prices

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,495 reviews
KLM
7.8
Good
1,495 reviews
Check prices

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 18h 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.

  • What is the cheapest month to book a flight from Southampton to Thailand?

    Currently, May is the cheapest month in which you can book a flight from Southampton to Thailand (average of £202). Flying from Southampton to Thailand in August is currently the most expensive (average of £492). 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 Thailand

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 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 12 April 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£562Average£996FlexibilityNo 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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