In terms of precipitation, rainfall in Ko Samui ranges from 58.0 - 490.0 inches per month. November is typically the wettest month, when rainfall can reach 490.0 mm. February is typically the driest time to visit Ko Samui when rainfall is around 58.0 mm.

If weather is an important factor for your trip to Ko Samui, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 27.0 C).

What is the cheapest time of day to fly from URT to USM?

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

Can I find deals for flights from Surat Thani to Ko Samui that include hotel bookings?

Yes. In addition to deals on Surat Thani to Ko Samui flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Surat Thani to Ko Samui?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Surat Thani to Ko Samui.

Can I find deals for business class flights from Surat Thani to Ko Samui?

Yes. Cheapflights offers flight deals from Surat Thani to Ko Samui by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£123+ Cheap Flights from Surat Thani to Ko Samui

Cheap flight deals from Surat Thani to Ko Samui

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Cheapest flights from Surat Thani to Ko Samui
Explore the most affordable flight options available from Surat Thani to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 September 2026.

Mon 2/1112:55 -

1 stop7h 35m

Mon 16/1111:00 -

1 stop8h 30m

Deal found 4/9£195

Find flight deals from Surat Thani to Ko Samui

Round-trip from	£195
One-way from	£123

2/11-16/11
2 total stops
16h 05m total
Surat Thani to Ko Samui

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1/10-31/12
1 total stop
6h 25m total
Surat Thani to Ko Samui

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Surat ThaniKo Samui

URT Surat Thani - USM Ko Samui

URTUSM

Surat Thani

Thu 1/10

13:20-19:45

1 stop6h 25m

Ko Samui

Wed 31/12

00:00-00:00

Nonstop0h 00m

£123

Surat ThaniKo Samui

URT Surat Thani - USM Ko Samui

URTUSM

Surat Thani

Mon 2/11

12:55-20:30

1 stop7h 35m

Ko Samui

Mon 16/11

11:00-19:30

1 stop8h 30m

£195

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Deals found on 1/9

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Best time to book a flight from Surat Thani to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Surat Thani with our price prediction graph.

URT-USM

Estimated return price

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Related info for your journey

Can I find deals for flights from Surat Thani to Ko Samui that include hotel bookings?
Yes. In addition to deals on Surat Thani to Ko Samui flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Surat Thani to Ko Samui?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Surat Thani to Ko Samui.
Can I find deals for business class flights from Surat Thani to Ko Samui?
Yes. Cheapflights offers flight deals from Surat Thani to Ko Samui by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Cheap flights from Surat Thani to Ko Samui from £123

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Surat Thani to Ko Samui

Cheapest flights from Surat Thani to Ko SamuiExplore the most affordable flight options available from Surat Thani to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 September 2026.

Explore the most affordable flight options available from Surat Thani to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 September 2026.

Best flights from Surat Thani to Ko SamuiDiscover carefully curated flight deals from Surat Thani to Ko Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 September 2026.

Discover carefully curated flight deals from Surat Thani to Ko Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 September 2026.

One-way flights from Surat Thani to Ko SamuiSearch for one-way flight options from Surat Thani to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 4 September 2026.

Search for one-way flight options from Surat Thani to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 4 September 2026.

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Best time to book a flight from Surat Thani to Ko Samui

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Related info for your journey

Can I find deals for flights from Surat Thani to Ko Samui that include hotel bookings?

How can I find direct flights from Surat Thani to Ko Samui?

Can I find deals for business class flights from Surat Thani to Ko Samui?

Travelling to a place near Ko Samui?

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Alternative routes for Surat Thani to Ko Samui

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Complete your trip

Complete your trip to Ko Samui by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Thailand

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