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Cheap flights from Southampton to Thailand from £331

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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — BKK
24 Aug — 31 Aug1
1 adult

Cheap flight deals from Southampton to Thailand

Keep the following information in mind while searching for Southampton to Thailand flight deals. Data was last updated 19 August 2025.

Round-trip from

£556

Popular in

December

Cheapest in

May

Average price

£748
KLM
  • KLM
  • 4/9-18/9
  • 3 total stops
  • 61h 05m total
  • Southampton to Thailand
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£43 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Southampton to Thailand

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 19 August 2025.

Thu 4/917:35SOU - BKK
1 stop33h 55mKLM
Thu 18/911:35BKK - SOU
2 stops27h 10mKLM
Deal found 17/8£556
Thu 4/920:00SOU - BKK
2 stops45h 55mMultiple Airlines
Thu 18/909:30BKK - SOU
2 stops53h 10mMultiple Airlines
Deal found 17/8£583
Wed 24/909:20SOU - BKK
2 stops17h 55mMultiple Airlines
Mon 6/1012:05BKK - SOU
1 stop26h 40mMultiple Airlines
Deal found 18/8£592
Wed 24/917:35SOU - BKK
1 stop33h 55mKLM
Mon 6/1012:05BKK - SOU
1 stop26h 40mKLM
Deal found 18/8£595
Wed 1/1009:10SOU - HKT
2 stops56h 25mMultiple Airlines
Tue 7/1000:55HKT - SOU
2 stops48h 35mMultiple Airlines
Deal found 17/8£598
Sun 21/909:20SOU - BKK
1 stop18h 10mKLM
Thu 9/1012:05BKK - SOU
1 stop26h 40mKLM
Deal found 19/8£618
Wed 24/909:20SOU - BKK
1 stop18h 10mKLM
Thu 9/1011:35BKK - SOU
2 stops35h 25mKLM
Deal found 18/8£619
Fri 3/1020:00SOU - HKT
2 stops45h 35mMultiple Airlines
Thu 9/1000:55HKT - SOU
2 stops37h 45mMultiple Airlines
Deal found 19/8£632
Fri 3/1009:40SOU - BKK
2 stops32h 15mMultiple Airlines
Fri 10/1010:05BKK - SOU
2 stops35h 40mMultiple Airlines
Deal found 19/8£686
Wed 29/1009:30SOU - BKK
2 stops25h 55mQatar Airways
Mon 17/1120:30BKK - SOU
2 stops30h 10mQatar Airways
Deal found 19/8£726
Thu 13/1109:30SOU - HKT
2 stops20h 25mQatar Airways
Thu 4/1208:35HKT - SOU
2 stops42h 05mQatar Airways
Deal found 19/8£753
Sat 15/1109:30SOU - HKT
2 stops26h 25mQatar Airways
Sat 6/1208:30HKT - SOU
2 stops42h 10mQatar Airways
Deal found 19/8£805

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 19 August 2025.
Use the filters below to find and compare flights from Southampton to Thailand that are best for you.

Fly from

Southampton

Fly to

Thailand

Route

Depart

Return

Price

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Thu 4/9

17:35-09:30

1 stop33h 55m

Bangkok Suvarnabhumi

Thu 18/9

11:35-08:45

2 stops27h 10m

£556

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Thu 4/9

20:00-23:55

2 stops45h 55m

Bangkok Suvarnabhumi

Thu 18/9

09:30-08:40

2 stops53h 10m

£583

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Wed 24/9

09:20-09:15

2 stops17h 55m

Bangkok Suvarnabhumi

Mon 6/10

12:05-08:45

1 stop26h 40m

£592

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Wed 24/9

17:35-09:30

1 stop33h 55m

Bangkok Suvarnabhumi

Mon 6/10

12:05-08:45

1 stop26h 40m

£595

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Wed 24/9

20:00-06:30

2 stops28h 30m

Bangkok Suvarnabhumi

Thu 9/10

10:05-19:30

2 stops39h 25m

£595

SouthamptonPhuket City

SOU - HKT

SOUHKT

Southampton Eastleigh

Wed 1/10

09:10-23:35

2 stops56h 25m

Phuket City

Tue 7/10

00:55-19:30

2 stops48h 35m

£598

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Sun 21/9

09:20-09:30

1 stop18h 10m

Bangkok Suvarnabhumi

Thu 9/10

12:05-08:45

1 stop26h 40m

£618

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Wed 24/9

09:20-09:30

1 stop18h 10m

Bangkok Suvarnabhumi

Thu 9/10

11:35-17:00

2 stops35h 25m

£619

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Wed 1/10

20:00-06:30

2 stops28h 30m

Bangkok Suvarnabhumi

Sat 4/10

02:55-09:10

2 stops36h 15m

£621

SouthamptonPhuket City

SOU - HKT

SOUHKT

Southampton Eastleigh

Fri 3/10

20:00-23:35

2 stops45h 35m

Phuket City

Thu 9/10

00:55-08:40

2 stops37h 45m

£632

Flights are sorted by cheapest return flights first.

Deals found on 16/8

Showing 1-10 of 28 results
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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 £717). Flying from Southampton to Thailand in December is currently the most expensive (average of £1,123). 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 TH?

Find hourly flight availability from Southampton to Thailand. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 August 2025.

When flying from Southampton to Thailand, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 19 August 2025.
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
1,386 reviews
Check prices

Crew

8.4

Food

7.3

Entertainment

7.1

Comfort

7.7

Boarding

7.8

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,386 reviews
KLM
7.8
Good
1,386 reviews
Check prices

Crew

8.4

Food

7.3

Entertainment

7.1

Comfort

7.7

Boarding

7.8

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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 20h 25m. The distance from Southampton to Thailand is about 6195 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 £717). Flying from Southampton to Thailand in December is currently the most expensive (average of £1,123). 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 19 August 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£565Average£756FlexibilityNo 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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