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Cheap flights from Southampton to Thailand from £400

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 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — BKK
15 Feb — 22 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 16 January 2026.

Round-trip from

£620

One-way from

£400

Popular in

July

Cheapest in

May

Average price

£612
22/4-9/5
  • 22/4-9/5
  • 4 total stops
  • 57h 05m total
  • Southampton to Thailand
Search Deals
1/3
  • 1/3
  • 2 total stops
  • 38h 40m 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 (£14 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 16 January 2026.

Tue 8/917:20
SOU
-
BKK
1 stop34h 10m
KLM
Mon 5/1012:05
BKK
-
SOU
1 stop34h 45m
KLM
Deal found 14/1£575
Wed 22/420:00
SOU
-
BKK
2 stops28h 15m
Multiple Airlines
Sat 9/509:45
BKK
-
SOU
2 stops28h 50m
Multiple Airlines
Deal found 14/1£620
Tue 10/212:25
SOU
-
BKK
2 stops24h 00m
Qatar Airways
Tue 10/309:05
BKK
-
SOU
2 stops37h 30m
Qatar Airways
Deal found 15/1£736
Tue 10/212:25
SOU
-
BKK
2 stops24h 00m
Multiple Airlines
Sat 28/209:05
BKK
-
SOU
2 stops30h 40m
Multiple Airlines
Deal found 15/1£761
Sat 28/215:25
SOU
-
HKT
2 stops25h 10m
Multiple Airlines
Sat 7/323:40
HKT
-
SOU
3 stops25h 05m
Multiple Airlines
Deal found 14/1£766
Thu 5/220:10
SOU
-
BKK
2 stops44h 15m
Multiple Airlines
Fri 3/409:45
BKK
-
SOU
2 stops36h 50m
Multiple Airlines
Deal found 15/1£766
Sun 1/316:05
SOU
-
BKK
2 stops36h 40m
Multiple Airlines
Sun 8/314:40
BKK
-
SOU
2 stops31h 55m
Multiple Airlines
Deal found 15/1£768
Thu 12/220:10
SOU
-
BKK
2 stops32h 35m
Qatar Airways
Thu 5/309:05
BKK
-
SOU
2 stops41h 35m
Qatar Airways
Deal found 15/1£770
Wed 11/212:25
SOU
-
BKK
2 stops48h 00m
Qatar Airways
Wed 4/308:15
BKK
-
SOU
2 stops42h 25m
Qatar Airways
Deal found 14/1£778
Thu 12/209:30
SOU
-
BKK
2 stops26h 55m
Qatar Airways
Sun 22/208:15
BKK
-
SOU
2 stops42h 25m
Qatar Airways
Deal found 15/1£796
Wed 11/212:25
SOU
-
HKT
2 stops47h 30m
Qatar Airways
Wed 11/308:20
HKT
-
SOU
2 stops38h 15m
Qatar Airways
Deal found 15/1£917
Sun 8/309:30
SOU
-
HKT
2 stops20h 25m
Qatar Airways
Wed 11/308:20
HKT
-
SOU
2 stops42h 20m
Qatar Airways
Deal found 15/1£933

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 16 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

SouthamptonPhuket City

SOU - HKT

SOUHKT

Southampton Eastleigh

Sat 28/2

15:25-23:35

2 stops25h 10m

Phuket City

Sat 7/3

23:40-17:45

3 stops25h 05m

£766

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Sun 1/3

16:05-11:45

2 stops36h 40m

Bangkok Suvarnabhumi

Sun 8/3

14:40-15:35

2 stops31h 55m

£768

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Thu 12/2

09:30-19:25

2 stops26h 55m

Bangkok Suvarnabhumi

Sun 22/2

08:15-19:40

2 stops42h 25m

£796

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Tue 14/4

09:10-18:20

2 stops27h 10m

Bangkok Suvarnabhumi

Wed 29/4

20:35-19:30

2 stops28h 55m

£831

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Sun 12/4

09:10-18:20

2 stops27h 10m

Bangkok Suvarnabhumi

Wed 29/4

20:35-19:30

2 stops28h 55m

£858

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Tue 10/2

16:05-23:45

3 stops24h 40m

Bangkok Suvarnabhumi

Sat 28/2

18:40-17:45

3 stops30h 05m

£867

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Mon 26/1

20:10-18:25

2 stops39h 15m

Bangkok Suvarnabhumi

Wed 28/1

02:00-19:40

2 stops24h 40m

£868

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Tue 27/1

12:25-13:05

2 stops41h 40m

Bangkok Suvarnabhumi

Tue 10/2

09:05-15:35

2 stops37h 30m

£870

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Wed 8/4

09:10-19:05

2 stops27h 55m

Bangkok Suvarnabhumi

Wed 29/4

02:05-19:30

2 stops23h 25m

£895

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Thu 9/4

09:10-19:05

2 stops27h 55m

Bangkok Suvarnabhumi

Wed 29/4

02:05-19:30

2 stops23h 25m

£895

Flights are sorted by cheapest return flights first.

Deals found on 15/1

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 £197). Flying from Southampton to Thailand in August is currently the most expensive (average of £515). 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 16 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
1,440 reviews
Check prices

Food

7.2

Comfort

7.6

Crew

8.4

Overall

7.7

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,440 reviews
KLM
7.7
Good
1,440 reviews
Check prices

Food

7.2

Comfort

7.6

Crew

8.4

Overall

7.7

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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 26h 55m. The distance from Southampton to Thailand is about 5995 mi.

  • 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 £197). Flying from Southampton to Thailand in August is currently the most expensive (average of £515). 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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Stansted to Phuket City flights
London City to Phuket City flights
Gatwick to Hong Kong flights
Luton to Narita 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 16 January 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£570Average£915FlexibilityNo 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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