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Cheap flights from Koh Samui to Thailand from ฿3,338

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 23/4. Fares are subject to change and may not be available on all flights or dates of travel.
USM — BKK
17 Feb — 24 Feb1
1 adult

Cheap flight deals from Koh Samui to Thailand

Discover tips and strategies to find the most affordable flight options for your journey from Koh Samui (USM) to Thailand (TH0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 February 2025.

Round-trip from

฿5,177

One-way from

฿3,338

Popular in

February

Cheapest in

June

Average price

฿9,673

Good round-trip deal

฿5,780 or less

Good one-way deal

฿3,877 or less
Bangkok Airways
  • Bangkok Airways
  • 26/5-29/5
  • Nonstop
  • 1h 55m total
  • Koh Samui to Thailand
23/4
  • 23/4
  • 1 total stop
  • 8h 00m total
  • Koh Samui to Thailand
Highest demand for flights based on searches. 14% potential increase in price (฿46,754 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (฿5,086 potential savings vs. average return price).
Average for round-trip flights in February 2025
Price to beat on a round-trip flight from Ko Samui to Thailand.
Price to beat on a one-way flight from Ko Samui to Thailand.

Find flight deals from Koh Samui to Thailand

Cheapest flights from Koh Samui to Thailand
Explore the most affordable flight options available from Koh Samui to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 February 2025.

Mon 26/511:25USM - HKT
Nonstop1h 00mBangkok Airways
Thu 29/517:05HKT - USM
Nonstop0h 55mBangkok Airways
Deal found 11/2฿5,177
Fri 5/906:55USM - DMK
Nonstop1h 30mBangkok Airways
Sat 20/918:15DMK - USM
Nonstop1h 30mBangkok Airways
Deal found 11/2฿5,620
Sun 23/1115:35USM - BKK
Nonstop1h 15mBangkok Airways
Fri 12/1206:00BKK - USM
Nonstop1h 10mBangkok Airways
Deal found 11/2฿6,097
Thu 12/607:00USM - BKK
Nonstop1h 15mMultiple Airlines
Sat 14/622:15BKK - USM
1 stop13h 40mMultiple Airlines
Deal found 11/2฿6,165
Sat 7/608:00USM - DMK
1 stop4h 55mMultiple Airlines
Sat 7/618:15DMK - USM
Nonstop1h 30mMultiple Airlines
Deal found 11/2฿6,472
Sun 23/308:50USM - CNX
Nonstop1h 50mMultiple Airlines
Tue 25/322:50CNX - USM
1 stop8h 20mMultiple Airlines
Deal found 11/2฿6,608
Fri 28/311:10USM - UTP
Nonstop1h 15mBangkok Airways
Fri 28/317:20UTP - USM
Nonstop1h 10mBangkok Airways
Deal found 11/2฿7,255
Thu 27/212:25USM - KBV
Nonstop0h 50mBangkok Airways
Mon 3/309:15KBV - USM
Nonstop0h 45mBangkok Airways
Deal found 11/2฿7,561
Thu 27/308:50USM - CNX
Nonstop1h 50mBangkok Airways
Sun 30/314:35CNX - USM
1 stop6h 25mBangkok Airways
Deal found 11/2฿7,970
Thu 17/417:55USM - HKT
Nonstop1h 00mMultiple Airlines
Mon 21/422:15HKT - USM
1 stop9h 05mMultiple Airlines
Deal found 11/2฿8,175
Thu 6/307:55USM - KBV
Nonstop0h 50mMultiple Airlines
Mon 24/320:45KBV - USM
1 stop10h 45mMultiple Airlines
Deal found 11/2฿9,469
Mon 24/211:10USM - UTP
Nonstop1h 15mMultiple Airlines
Fri 28/214:15UTP - USM
2 stops28h 15mMultiple Airlines
Deal found 11/2฿13,386

Find flights from Koh Samui to Thailand within your budget

Customise your flight search to find flights from Koh Samui 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 17,341 searches. Data last updated 12 February 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Koh SamuiPhuket City

USM - HKT

USMHKT

Ko Samui

Mon 26/5

11:25-12:25

Nonstop1h 00m

Phuket City

Thu 29/5

17:05-18:00

Nonstop0h 55m

฿5,177

Koh SamuiBangkok

USM - DMK

USMDMK

Ko Samui

Sat 7/6

06:55-08:25

Nonstop1h 30m

Bangkok Don Mueang Intl

Sat 7/6

18:15-19:45

Nonstop1h 30m

฿5,790

Koh SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Thu 12/6

07:00-08:15

Nonstop1h 15m

Bangkok Suvarnabhumi

Sat 14/6

22:15-11:55

1 stop13h 40m

฿6,165

Koh SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Fri 9/5

07:00-08:15

Nonstop1h 15m

Bangkok Suvarnabhumi

Fri 9/5

16:40-17:45

Nonstop1h 05m

฿6,301

Koh SamuiBangkok

USM - DMK

USMDMK

Ko Samui

Sat 7/6

08:00-12:55

1 stop4h 55m

Bangkok Don Mueang Intl

Sat 7/6

18:15-19:45

Nonstop1h 30m

฿6,472

Koh SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Sun 23/3

08:50-10:40

Nonstop1h 50m

Chiang Mai

Tue 25/3

22:50-07:10

1 stop8h 20m

฿6,608

Koh SamuiRayong

USM - UTP

USMUTP

Ko Samui

Fri 28/3

11:10-12:25

Nonstop1h 15m

Rayong Utapao Rayong Pattaya

Fri 28/3

17:20-18:30

Nonstop1h 10m

฿7,255

Koh SamuiKrabi

USM - KBV

USMKBV

Ko Samui

Thu 27/2

12:25-13:15

Nonstop0h 50m

Krabi

Mon 3/3

09:15-10:00

Nonstop0h 45m

฿7,561

Koh SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Thu 27/3

08:50-10:40

Nonstop1h 50m

Chiang Mai

Sun 30/3

14:35-21:00

1 stop6h 25m

฿7,970

Koh SamuiPhuket City

USM - HKT

USMHKT

Ko Samui

Thu 17/4

17:55-18:55

Nonstop1h 00m

Phuket City

Mon 21/4

22:15-07:20

1 stop9h 05m

฿8,175

Flights are sorted by cheapest return flights first.

Deals found on 11/2

Showing 1-10 of 30 results
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Best time to book a flight from Koh Samui to Thailand

Have a flexible travel schedule? Discover the best time to fly to Thailand from Koh Samui 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.

Travel insights for flights from Koh Samui to Thailand

Get recent, data-driven insights about flights from Koh Samui to Thailand including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Koh Samui to Thailand?

Currently, June is the cheapest month in which you can book a flight from Koh Samui to Thailand (average of ฿57). Flying from Koh Samui to Thailand in December is currently the most expensive (average of ฿80). 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 USM to TH?

Find hourly flight availability from Koh Samui 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 12 February 2025.

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

What is the cheapest day to fly from Koh Samui to Thailand?

Use this chart to determine the cheapest time to fly return from Koh Samui to Thailand. Price data was last updated on 10 February 2025.

Travellers seeking maximum savings on their Koh Samui to Thailand flight should consider departing on Friday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Koh Samui to Thailand

Explore weekly flight availability from Koh Samui to Thailand. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 12 February 2025.