Which airlines fly to Ko Samui?

EVA Air, Thai Airways and Singapore Airlines are the top three most popular airlines that fly to Ko Samui from Southampton according to our data. EVA Air is the first choice among our users, with 40% of people opting to fly with this airline when travelling to Ko Samui. Keep in mind that there are 14 different airlines that fly to Ko Samui on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Southampton Eastleigh Airport to Ko Samui Airport?

Prices for flights from Southampton Eastleigh Airport to Ko Samui Airport were last updated today.

How old do you have to be to fly from Southampton Eastleigh Airport to Ko Samui Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Southampton Eastleigh Airport to Ko Samui Airport.

What documentation or ID do you need to fly to Ko Samui Airport?

The necessary travel and health documents for your Ko Samui Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£820 Cheap Flights from Southampton to Ko Samui in 2026

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Find the cheapest flights from Southampton to Ko Samui

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

09:20 - 21:35

SOU

USM

30h 15m

3 stops

06:00 - 16:50

USM

SOU

40h 50m

3 stops

£820Multiple Airlines

Sat, 16 May - Sat, 23 May

09:20 - 15:45

SOU

USM

24h 25m

3 stops

06:00 - 08:40

USM

SOU

32h 40m

3 stops

£894Multiple Airlines

Wed, 20 May - Wed, 27 May

09:05 - 13:10

SOU

USM

22h 05m

2 stops

06:00 - 16:50

USM

SOU

16h 50m

2 stops

£980Multiple Airlines

Wed, 20 May - Wed, 27 May

09:05 - 13:10

SOU

USM

22h 05m

3 stops

06:00 - 16:50

USM

SOU

16h 50m

2 stops

£1,006Multiple Airlines

Wed, 20 May - Wed, 27 May

09:10 - 16:55

SOU

USM

25h 45m

3 stops

19:45 - 19:30

USM

SOU

29h 45m

3 stops

£1,012Qatar Airways

Mon, 11 May - Fri, 22 May

17:20 - 19:40

SOU

USM

20h 20m

2 stops

06:00 - 16:50

USM

SOU

40h 50m

3 stops

£1,192Multiple Airlines

Sat, 16 May - Sat, 23 May

09:10 - 16:35

SOU

USM

25h 25m

3 stops

17:55 - 19:30

USM

SOU

31h 35m

3 stops

£1,211Qatar Airways

Sat, 19 Sep - Sat, 3 Oct

17:20 - 19:40

SOU

USM

20h 20m

2 stops

09:15 - 08:45

USM

SOU

29h 30m

2 stops

£1,243KLM

Sat, 16 May - Sat, 23 May

09:10 - 18:00

SOU

USM

26h 50m

3 stops

18:25 - 19:30

USM

SOU

31h 05m

3 stops

£1,286Qatar Airways

Fri, 22 May - Sun, 31 May

Qatar Airways flights from Southampton to Ko Samui

Our best Qatar Airways deals on Southampton to Ko Samui flight tickets

Qatar Airways

11 May

SOU09:10Southampton Eastleigh

25h 45m

3 stops

USM16:55Ko Samui

22 May

USM19:45Ko Samui

29h 45m

3 stops

SOU19:30Southampton Eastleigh

£1,012

Qatar Airways

19 Sept

SOU09:10Southampton Eastleigh

25h 25m

3 stops

USM16:35Ko Samui

3 Oct

USM17:55Ko Samui

31h 35m

3 stops

SOU19:30Southampton Eastleigh

£1,211

Qatar Airways

22 May

SOU09:10Southampton Eastleigh

26h 50m

3 stops

USM18:00Ko Samui

31 May

USM18:25Ko Samui

31h 05m

3 stops

SOU19:30Southampton Eastleigh

£1,286

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonKo Samui

SOU - USM

SOUUSM

Southampton Eastleigh

Sat 16/5

09:20-21:35

3 stops30h 15m

Ko Samui

Sat 23/5

06:00-16:50

3 stops40h 50m

£820

SouthamptonKo Samui

SOU - USM

SOUUSM

Southampton Eastleigh

Wed 20/5

09:20-15:45

3 stops24h 25m

Ko Samui

Wed 27/5

06:00-08:40

3 stops32h 40m

£894

Fastest return journey

SouthamptonKo Samui

SOU - USM

SOUUSM

Southampton Eastleigh

Wed 20/5

09:05-13:10

2 stops22h 05m

Ko Samui

Wed 27/5

06:00-16:50

2 stops16h 50m

£980

SouthamptonKo Samui

SOU - USM

SOUUSM

Southampton Eastleigh

Wed 20/5

09:05-13:10

3 stops22h 05m

Ko Samui

Wed 27/5

06:00-16:50

2 stops16h 50m

£1,006

SouthamptonKo Samui

SOU - USM

SOUUSM

Southampton Eastleigh

Mon 11/5

09:10-16:55

3 stops25h 45m

Ko Samui

Fri 22/5

19:45-19:30

3 stops29h 45m

£1,012

SouthamptonKo Samui

SOU - USM

SOUUSM

Southampton Eastleigh

Sat 16/5

17:20-19:40

2 stops20h 20m

Ko Samui

Sat 23/5

06:00-16:50

3 stops40h 50m

£1,192

SouthamptonKo Samui

SOU - USM

SOUUSM

Southampton Eastleigh

Sat 19/9

09:10-16:35

3 stops25h 25m

Ko Samui

Sat 3/10

17:55-19:30

3 stops31h 35m

£1,211

SouthamptonKo Samui

SOU - USM

SOUUSM

Southampton Eastleigh

Sat 16/5

17:20-19:40

2 stops20h 20m

Ko Samui

Sat 23/5

09:15-08:45

2 stops29h 30m

£1,243

SouthamptonKo Samui

SOU - USM

SOUUSM

Southampton Eastleigh

Fri 22/5

09:10-18:00

3 stops26h 50m

Ko Samui

Sun 31/5

18:25-19:30

3 stops31h 05m

£1,286

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Southampton to Ko Samui

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Ko Samui?

According to our data, Wednesday is the cheapest day to fly to Ko Samui from Southampton. The lowest ticket price found for a Wednesday departure recently was £500. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Ko Samui on Sunday is £853.

What is the cheapest time of day to depart on your flight to Ko Samui?

Our most recent data shows that the best time of day to fly to Ko Samui is in the afternoon. Flights from Southampton to Ko Samui during this time can be as low as £507. Flights at midday are often more expensive, with an average ticket price of £824.

When to book flights from Southampton to Ko Samui

Are you open to changing your travel dates? Check out the ideal times to fly from Southampton to Ko Samui according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Southampton to Ko Samui (SOU to USM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Southampton to Ko Samui

Fastest flight time	26h 50m
Direct flights	None

The fastest flight from Southampton to Ko Samui takes 26h 50m

There are no direct flights from Southampton to Ko Samui. There are no popular flight routes from Southampton to Ko Samui.

Search flight deals

Frequently asked questions about flying from Southampton to Ko Samui

How far is Southampton Eastleigh to Ko Samui by plane?
A flight from Southampton Eastleigh to Ko Samui will travel around 6194.7 mi. Typically, this will take 26h 50m by plane in normal conditions.
When did momondo last update prices for flights from Southampton Eastleigh Airport to Ko Samui Airport?
Prices for flights from Southampton Eastleigh Airport to Ko Samui Airport were last updated today.
How old do you have to be to fly from Southampton Eastleigh Airport to Ko Samui Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Southampton Eastleigh Airport to Ko Samui Airport.
What documentation or ID do you need to fly to Ko Samui Airport?
The necessary travel and health documents for your Ko Samui Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Ko Pha Ngan

Ko Tao

Khanom

Why use momondo?

Why should I use momondo to find a flight deal from Southampton to Ko Samui?

It is quick and easy to find Southampton to Ko Samui flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ko Samui that suits you.

Can I find flights from Southampton to Ko Samui with flexible booking policies on momondo?

Flights from Southampton to Ko Samui with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Southampton to Ko Samui?

Once all potential Southampton to Ko Samui flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Southampton to Ko Samui right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Southampton to Ko Samui flights. All you need is a valid email address and we will do the rest; it is that quick and easy.