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Cheap flights from Southampton to Thailand from £365

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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — BKK
26 Dec — 2 Jan1
1 adult
1 adult, Economy, 0 bags

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 26 November 2025.

Round-trip from

£689

One-way from

£365

Popular in

December

Cheapest in

May

Average price

£606
19/2-5/3
  • 19/2-5/3
  • 4 total stops
  • 77h 05m total
  • Southampton to Thailand
Search Deals
9/1
  • 9/1
  • 2 total stops
  • 36h 40m total
  • Southampton to Thailand
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£46 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 November 2025
Search Deals

Find 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 26 November 2025.

Wed 3/1208:40SOU - HKT
2 stops42h 10mKLM
Sun 7/1222:30HKT - SOU
2 stops49h 30mKLM
Deal found 23/11£727
Sun 7/1209:30SOU - BKK
2 stops38h 40mMultiple Airlines
Sun 28/1217:35BKK - SOU
2 stops45h 35mMultiple Airlines
Deal found 24/11£787
Sat 29/1109:25SOU - BKK
2 stops40h 50mKLM
Sat 6/1212:15BKK - SOU
1 stop27h 35mKLM
Deal found 24/11£804
Sun 7/1218:05SOU - BKK
1 stop33h 00mKLM
Sun 28/1212:15BKK - SOU
1 stop26h 55mKLM
Deal found 24/11£861
Sat 29/1109:25SOU - BKK
2 stops19h 50mMultiple Airlines
Fri 5/1203:00BKK - SOU
2 stops21h 00mMultiple Airlines
Deal found 24/11£902
Tue 9/1212:25SOU - BKK
2 stops24h 00mQatar Airways
Thu 8/108:15BKK - SOU
2 stops38h 20mQatar Airways
Deal found 24/11£1,039
Wed 3/1220:10SOU - HKT
2 stops33h 45mQatar Airways
Wed 7/108:55HKT - SOU
2 stops41h 45mQatar Airways
Deal found 24/11£1,226
Tue 16/1220:10SOU - HKT
2 stops39h 45mQatar Airways
Wed 31/1208:30HKT - SOU
2 stops38h 05mQatar Airways
Deal found 24/11£1,694
Fri 26/1220:10SOU - HKT
2 stops27h 40mQatar Airways
Thu 1/100:50HKT - SOU
2 stops25h 50mQatar Airways
Deal found 25/11£2,910
Sat 20/1209:30SOU - HKT
2 stops26h 25mQatar Airways
Sat 3/120:30HKT - SOU
2 stops30h 10mQatar Airways
Deal found 24/11£3,458
Sat 27/1209:30SOU - HKT
2 stops26h 25mQatar Airways
Sat 3/120:30HKT - SOU
2 stops30h 10mQatar Airways
Deal found 25/11£3,528

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 26 November 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 19/2

20:10-07:10

2 stops28h 00m

Bangkok Suvarnabhumi

Thu 5/3

14:40-08:45

2 stops49h 05m

£689

SouthamptonPhuket City

SOU - HKT

SOUHKT

Southampton Eastleigh

Fri 9/1

09:00-21:45

2 stops29h 45m

Phuket City

Fri 16/1

14:05-16:40

3 stops33h 35m

£759

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Tue 3/3

12:25-19:25

2 stops24h 00m

Bangkok Suvarnabhumi

Wed 11/3

02:00-19:40

2 stops24h 40m

£765

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Thu 26/2

09:30-13:05

2 stops20h 35m

Bangkok Suvarnabhumi

Wed 11/3

03:00-19:40

2 stops23h 40m

£765

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Mon 2/3

09:30-12:15

2 stops19h 45m

Bangkok Suvarnabhumi

Mon 16/3

02:00-15:35

2 stops44h 35m

£768

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Tue 3/3

12:25-19:25

2 stops24h 00m

Bangkok Suvarnabhumi

Mon 16/3

02:00-15:35

2 stops44h 35m

£768

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Wed 4/3

12:25-06:15

2 stops34h 50m

Bangkok Suvarnabhumi

Mon 16/3

02:00-15:35

2 stops44h 35m

£773

SouthamptonKo Samui

SOU - USM

SOUUSM

Southampton Eastleigh

Thu 14/5

17:20-18:15

2 stops18h 55m

Ko Samui

Mon 18/5

08:45-16:50

2 stops38h 05m

£780

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Fri 27/2

20:10-06:40

2 stops27h 30m

Bangkok Suvarnabhumi

Wed 11/3

02:00-19:40

2 stops24h 40m

£791

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Sun 1/3

09:30-13:05

2 stops20h 35m

Bangkok Suvarnabhumi

Wed 11/3

03:00-19:40

2 stops23h 40m

£791

Flights are sorted by cheapest return flights first.

Deals found on 25/11

Showing 1-10 of 33 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 £246). Flying from Southampton to Thailand in July is currently the most expensive (average of £532). 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 26 November 2025.

It’s optimal to fly from Southampton to Thailand in the afternoon. By choosing this option you can save up to 44% on the cost of your flight, compared to a flight in the morning.

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 26 November 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
7.7
Good
1,422 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,422 reviews
KLM
7.7
Good
1,422 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 55m. The distance from Southampton to Thailand is about 6191 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 £246). Flying from Southampton to Thailand in July is currently the most expensive (average of £532). 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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London City to Manila flights
Gatwick to Singapore flights
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Manchester to Lahore flights
Heathrow to Ahmedabad flights
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Heathrow to Vasco da Gama 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 26 November 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£575Average£787FlexibilityNo 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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