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Cheap flights from Southampton to Thailand from £320

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 18/2. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — BKK
7 Feb — 14 Feb1
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 8 January 2026.

Round-trip from

£632

One-way from

£320

Popular in

July

Cheapest in

May

Average price

£609
10/3-24/3
  • 10/3-24/3
  • 4 total stops
  • 55h 10m total
  • Southampton to Thailand
Search Deals
18/2
  • 18/2
  • 3 total stops
  • 44h 45m total
  • Southampton to Thailand
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£65 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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 8 January 2026.

Tue 8/917:20SOU - BKK
1 stop34h 10mKLM
Mon 5/1012:05BKK - SOU
1 stop34h 45mKLM
Deal found 7/1£572
Sat 31/107:25SOU - BKK
2 stops33h 45mMultiple Airlines
Sat 14/213:50BKK - SOU
3 stops31h 55mMultiple Airlines
Deal found 7/1£752
Thu 22/109:30SOU - BKK
2 stops26h 55mQatar Airways
Thu 19/209:05BKK - SOU
2 stops41h 35mQatar Airways
Deal found 6/1£767
Thu 5/209:30SOU - BKK
2 stops26h 55mQatar Airways
Thu 19/209:05BKK - SOU
2 stops41h 35mQatar Airways
Deal found 8/1£767
Wed 25/212:25SOU - BKK
2 stops41h 40mQatar Airways
Tue 17/318:55BKK - SOU
2 stops27h 40mQatar Airways
Deal found 6/1£770
Wed 25/212:25SOU - BKK
2 stops40h 50mQatar Airways
Wed 11/318:55BKK - SOU
2 stops27h 40mQatar Airways
Deal found 8/1£771
Sun 22/220:10SOU - HKT
3 stops30h 55mMultiple Airlines
Sun 1/321:15HKT - SOU
3 stops27h 15mMultiple Airlines
Deal found 8/1£772
Fri 13/220:10SOU - HKT
2 stops27h 40mMultiple Airlines
Mon 23/208:20HKT - SOU
2 stops34h 35mMultiple Airlines
Deal found 7/1£911
Mon 19/120:10SOU - HKT
2 stops51h 40mQatar Airways
Thu 22/108:55HKT - SOU
2 stops37h 40mQatar Airways
Deal found 7/1£969
Sat 7/309:30SOU - HKT
2 stops26h 25mQatar Airways
Sun 15/320:30HKT - SOU
2 stops30h 10mQatar Airways
Deal found 7/1£1,002
Sun 8/309:30SOU - HKT
2 stops26h 25mQatar Airways
Sat 21/308:30HKT - SOU
2 stops42h 10mQatar Airways
Deal found 8/1£1,029
Thu 19/215:00SOU - USM
3 stops33h 10mMultiple Airlines
Thu 26/208:55USM - SOU
3 stops39h 35mMultiple Airlines
Deal found 7/1£1,076

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 8 January 2026.
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

Tue 3/2

12:25-19:25

2 stops24h 00m

Bangkok Suvarnabhumi

Tue 24/2

08:15-15:35

2 stops38h 20m

£767

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Thu 5/2

09:30-19:25

2 stops26h 55m

Bangkok Suvarnabhumi

Thu 26/2

08:15-19:40

2 stops42h 25m

£767

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Thu 5/2

09:30-19:25

2 stops26h 55m

Bangkok Suvarnabhumi

Thu 19/2

09:05-19:40

2 stops41h 35m

£769

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Wed 25/2

12:25-12:15

2 stops40h 50m

Bangkok Suvarnabhumi

Wed 11/3

18:55-15:35

2 stops27h 40m

£771

SouthamptonPhuket City

SOU - HKT

SOUHKT

Southampton Eastleigh

Sun 22/2

20:10-10:05

3 stops30h 55m

Phuket City

Sun 1/3

21:15-17:30

3 stops27h 15m

£772

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Tue 24/2

12:25-19:25

2 stops24h 00m

Bangkok Suvarnabhumi

Thu 19/3

18:55-19:40

2 stops31h 45m

£773

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Mon 23/2

20:10-13:05

2 stops33h 55m

Bangkok Suvarnabhumi

Thu 19/3

18:55-19:40

2 stops31h 45m

£773

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Thu 22/1

09:30-19:25

2 stops26h 55m

Bangkok Suvarnabhumi

Wed 25/2

09:05-15:35

2 stops37h 30m

£775

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Thu 22/1

09:30-19:25

2 stops26h 55m

Bangkok Suvarnabhumi

Mon 23/2

08:15-15:35

2 stops38h 20m

£775

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Thu 22/1

09:30-19:25

2 stops26h 55m

Bangkok Suvarnabhumi

Mon 9/2

08:15-15:35

2 stops38h 20m

£775

Flights are sorted by cheapest return flights first.

Deals found on 7/1

Showing 1-10 of 32 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, September is the cheapest month in which you can book a flight from Southampton to Thailand (average of £196). Flying from Southampton to Thailand in August is currently the most expensive (average of £508). 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 8 January 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
7.7
Good
1,434 reviews
Check prices

Overall

7.7

Comfort

7.6

Entertainment

7.1

Crew

8.4

Boarding

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,434 reviews
KLM
7.7
Good
1,434 reviews
Check prices

Overall

7.7

Comfort

7.6

Entertainment

7.1

Crew

8.4

Boarding

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

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 24h. 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, September is the cheapest month in which you can book a flight from Southampton to Thailand (average of £196). Flying from Southampton to Thailand in August is currently the most expensive (average of £508). 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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Heathrow to Denpasar flights
Gatwick to Islamabad flights
Stansted to Hong Kong flights
Luton to Narita flights
London City to Hong Kong flights
London City to Colombo flights
Stansted to Islamabad flights
Gatwick to Phuket City 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 8 January 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£567Average£890FlexibilityNo 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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