Typical price difference
+19%฿6,923 here compared with ฿5,802
One-way and roundtrip flights from Bangkok27°Hot
Flights to Ko Samui in September 2026
🏖️Beach🏝️Island💑Romantic
DepartureTue, Sep 15± 15 days
- Lowest fare
- ฿2,707 Sep 1
- Roundtrip from
- ฿5,550
- Typical roundtrip
- ฿6,923
Top deals
Flights and prices
Ko Samui: prices, dates and useful details
Planning a trip to Ko Samui? Compare dates, airlines, flight times and direct options from Bangkok. 30 one-way fares from ฿2,707 · 570 roundtrips from ฿5,550. These results are for september 2026.
- One way from
- ฿2,707
- 30 outbound-only options
- Roundtrip from
- ฿5,550
- 570 complete trips
- Typical roundtrip
- ฿6,923
- Half cost less, half cost more
- Flight options
- 570
- Roundtrips available
Saved searches
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Filters
Daily prices to Ko Samui15 days around September 15, 2026
AvgMinp25–p75
Cheapest
฿2,707
Sep 1
Global average
฿3,449
All travel dates
September avg
฿2,859
Selected month
Sort bySort by
Best Deals
Trip datesFlight itineraryTotal fareView
fri · Sep 11One way
Departurefri · Sep 11
One way2026
06:05BKK → USM07:101h 5m · Direct
Outbound06:05BKK07:10USM1h 5mDirect
Operated by
Bangkok Airways
Bangkok Airways฿2,707
฿3,449-22%
฿742 below average
Bangkok AirwaysOne-way fare฿2,707฿3,449−22%Save ฿742View deal
Cheapest in the next 365 days
fri · Sep 18One way
Departurefri · Sep 18
One way2026
06:05BKK → USM07:101h 5m · Direct
Outbound06:05BKK07:10USM1h 5mDirect
Operated byBangkok Airways
Bangkok Airways฿2,707
฿3,449-22%
฿742 below average
Bangkok AirwaysOne-way fare฿2,707฿3,449−22%Save ฿742View deal
Cheapest in the next 365 days
fri · Sep 4One way
Departurefri · Sep 4
One way2026
06:05BKK → USM07:101h 5m · Direct
Outbound06:05BKK07:10USM1h 5mDirect
Operated byBangkok Airways
Bangkok Airways฿2,707
฿3,449-22%
฿742 below average
Bangkok AirwaysOne-way fare฿2,707฿3,449−22%Save ฿742View deal
Cheapest in the next 365 days
mon · Sep 14One way
Departuremon · Sep 14
One way2026
06:05BKK → USM07:101h 5m · Direct
Outbound06:05BKK07:10USM1h 5mDirect
Operated byBangkok Airways
Bangkok Airways฿2,707
฿3,449-22%
฿742 below average
Bangkok AirwaysOne-way fare฿2,707฿3,449−22%Save ฿742View deal
Cheapest in the next 365 days
mon · Sep 21One way
Departuremon · Sep 21
One way2026
06:05BKK → USM07:101h 5m · Direct
Outbound06:05BKK07:10USM1h 5mDirect
Operated byBangkok Airways
Bangkok Airways฿2,707
฿3,449-22%
฿742 below average
Bangkok AirwaysOne-way fare฿2,707฿3,449−22%Save ฿742View deal
Cheapest in the next 365 days
mon · Sep 28One way
Departuremon · Sep 28
One way2026
06:05BKK → USM07:101h 5m · Direct
Outbound06:05BKK07:10USM1h 5mDirect
Operated byBangkok Airways
Bangkok Airways฿2,707
฿3,449-22%
฿742 below average
Bangkok AirwaysOne-way fare฿2,707฿3,449−22%Save ฿742View deal
Cheapest in the next 365 days
sat · Sep 12One way
Departuresat · Sep 12
One way2026
06:05BKK → USM07:101h 5m · Direct
Outbound06:05BKK07:10USM1h 5mDirect
Operated byBangkok Airways
Bangkok Airways฿2,707
฿3,449-22%
฿742 below average
Bangkok AirwaysOne-way fare฿2,707฿3,449−22%Save ฿742View deal
Cheapest in the next 365 days
sat · Sep 19One way
Departuresat · Sep 19
One way2026
06:05BKK → USM07:101h 5m · Direct
Outbound06:05BKK07:10USM1h 5mDirect
Operated byBangkok Airways
Bangkok Airways฿2,707
฿3,449-22%
฿742 below average
Bangkok AirwaysOne-way fare฿2,707฿3,449−22%Save ฿742View deal
Cheapest in the next 365 days
sat · Sep 5One way
Departuresat · Sep 5
One way2026
06:05BKK → USM07:101h 5m · Direct
Outbound06:05BKK07:10USM1h 5mDirect
Operated byBangkok Airways
Bangkok Airways฿2,707
฿3,449-22%
฿742 below average
Bangkok AirwaysOne-way fare฿2,707฿3,449−22%Save ฿742View deal
Cheapest in the next 365 days
sun · Sep 13One way
Departuresun · Sep 13
One way2026
06:05BKK → USM07:101h 5m · Direct
Outbound06:05BKK07:10USM1h 5mDirect
Operated byBangkok Airways
Bangkok Airways฿2,707
฿3,449-22%
฿742 below average
Bangkok AirwaysOne-way fare฿2,707฿3,449−22%Save ฿742View deal
Cheapest in the next 365 days
sun · Sep 20One way
Departuresun · Sep 20
One way2026
06:05BKK → USM07:101h 5m · Direct
Outbound06:05BKK07:10USM1h 5mDirect
Operated byBangkok Airways
Bangkok Airways฿2,707
฿3,449-22%
฿742 below average
Bangkok AirwaysOne-way fare฿2,707฿3,449−22%Save ฿742View deal
Cheapest in the next 365 days
sun · Sep 27One way
Departuresun · Sep 27
One way2026
06:05BKK → USM07:101h 5m · Direct
Outbound06:05BKK07:10USM1h 5mDirect
Operated byBangkok Airways
Bangkok Airways฿2,707
฿3,449-22%
฿742 below average
Bangkok AirwaysOne-way fare฿2,707฿3,449−22%Save ฿742View deal
Cheapest in the next 365 days
sun · Sep 6One way
Departuresun · Sep 6
One way2026
06:05BKK → USM07:101h 5m · Direct
Outbound06:05BKK07:10USM1h 5mDirect
Operated byBangkok Airways
Bangkok Airways฿2,707
฿3,449-22%
฿742 below average
Bangkok AirwaysOne-way fare฿2,707฿3,449−22%Save ฿742View deal
Cheapest in the next 365 days
thu · Sep 10One way
Departurethu · Sep 10
One way2026
06:05BKK → USM07:101h 5m · Direct
Outbound06:05BKK07:10USM1h 5mDirect
Operated byBangkok Airways
Bangkok Airways฿2,707
฿3,449-22%
฿742 below average
Bangkok AirwaysOne-way fare฿2,707฿3,449−22%Save ฿742View deal
Cheapest in the next 365 days
thu · Sep 17One way
Departurethu · Sep 17
One way2026
06:05BKK → USM07:101h 5m · Direct
Outbound06:05BKK07:10USM1h 5mDirect
Operated byBangkok Airways
Bangkok Airways฿2,707
฿3,449-22%
฿742 below average
Bangkok AirwaysOne-way fare฿2,707฿3,449−22%Save ฿742View deal
Cheapest in the next 365 days
thu · Sep 24One way
Departurethu · Sep 24
One way2026
06:05BKK → USM07:101h 5m · Direct
Outbound06:05BKK07:10USM1h 5mDirect
Operated byBangkok Airways
Bangkok Airways฿2,707
฿3,449-22%
฿742 below average
Bangkok AirwaysOne-way fare฿2,707฿3,449−22%Save ฿742View deal
Cheapest in the next 365 days
thu · Sep 3One way
Departurethu · Sep 3
One way2026
06:05BKK → USM07:101h 5m · Direct
Outbound06:05BKK07:10USM1h 5mDirect
Operated byBangkok Airways
Bangkok Airways฿2,707
฿3,449-22%
฿742 below average
Bangkok AirwaysOne-way fare฿2,707฿3,449−22%Save ฿742View deal
Cheapest in the next 365 days
tue · Sep 1One way
Departuretue · Sep 1
One way2026
06:05BKK → USM07:101h 5m · Direct
Outbound06:05BKK07:10USM1h 5mDirect
Operated byBangkok Airways
Bangkok Airways฿2,707
฿3,449-22%
฿742 below average
Bangkok AirwaysOne-way fare฿2,707฿3,449−22%Save ฿742View deal
Cheapest in the next 365 days
tue · Sep 15One way
Departuretue · Sep 15
One way2026
06:05BKK → USM07:101h 5m · Direct
Outbound06:05BKK07:10USM1h 5mDirect
Operated byBangkok Airways
Bangkok Airways฿2,707
฿3,449-22%
฿742 below average
Bangkok AirwaysOne-way fare฿2,707฿3,449−22%Save ฿742View deal
Cheapest in the next 365 days
tue · Sep 22One way
Departuretue · Sep 22
One way2026
06:05BKK → USM07:101h 5m · Direct
Outbound06:05BKK07:10USM1h 5mDirect
Operated byBangkok Airways
Bangkok Airways฿2,707
฿3,449-22%
฿742 below average
Bangkok AirwaysOne-way fare฿2,707฿3,449−22%Save ฿742View deal
Cheapest in the next 365 days
Plan with confidence
Find the trip that fits
Compare prices, dates, airlines and travel time. Then choose the deal that feels right.
See the difference
September 2026 at a glance
Compare price, non-stop choice and travel time with other Ko Samui options.
Non-stop options
98%+3 points compared with other flights
Typical flight time
1h 5m0h 5m shorter than the comparison
Roundtrip options
570Trips ready to compare
Typical prices
What do Ko Samui roundtrips usually cost?
This distribution uses roundtrip prices only; one-way prices remain in their own labeled summary.
Lowest฿5,550
Typical low฿5,665
Typical฿6,923
Typical high฿7,322
Flexible dates
Cheapest departure dates for Ko Samui
Compare nearby dates to see where the better prices are. Always check the final price before booking.
฿7,140
Sep 1
฿6,923
Sep 2
฿6,022
Sep 3
฿6,022
Sep 4
฿6,022
Sep 5
฿6,022
Sep 6
฿7,184
Sep 7
฿6,022
Sep 8
฿6,022
Sep 9
฿6,022
Sep 10
฿6,022
Sep 11
฿6,022
Sep 12
฿6,374
Sep 13
฿6,711
Sep 14
฿6,711
Sep 15
฿6,839
Sep 16
฿7,145
Sep 17
฿7,145
Sep 18
฿7,145
Sep 19
฿7,145
Sep 20
฿7,145
Sep 21
฿7,145
Sep 22
฿7,145
Sep 23
฿7,145
Sep 24
฿8,912
Sep 25
฿8,326
Sep 26
฿6,711
Sep 27
฿6,374
Sep 28
฿5,665
Sep 29
฿5,665
Sep 30
Flexible timing
Compare Ko Samui by travel month
Open a month to compare its dates, prices and available flights.
Airline comparison
Which airlines show the lowest Ko Samui fares?
Some trips combine airlines, so check both flights before you book.
| Comparison | Lowest | Typical range | Results | Non-stop |
|---|---|---|---|---|
| 1Bangkok Airways | ฿5,550 | ฿5,665–฿7,322 | 570 | 98% |
| 2Thai VietJet Air | ฿6,923 | — | 9 | — |
| 3Thai AirAsia | ฿7,385 | — | 2 | — |
Weather through the year
Typical temperatures in Ko Samui
Usual monthly temperatures can help you choose when to go. They are not a live forecast.
27°Jan
27°Feb
28°Mar
29°Apr
29°May
28°Jun
28°Jul
28°Aug
27°Sep
27°Oct
27°Nov
27°Dec
Useful trip facts
What to know about Ko Samui
- Country
- Thailand
- Arrival code
- USM
- Typical annual temperature
- 28°C
- Trip styles
- Beach, Island, Romantic
- Typical outbound from Bangkok
- 1h 5m
- Typical stay
- 12 nights
Usual temperature, not a forecast
Why go
Why travelers consider Ko Samui
Thailand's coconut island paradise. Luxury resorts, palm-fringed beaches, and a laid-back vibe on the Gulf of Thailand's largest resort island.
Explore related searches
Common questions about Ko Samui
What is the lowest available one-way fare for Ko Samui?
The lowest available one-way fare is ฿2,707. It is compared only with other one-way fares.
What is the lowest available roundtrip fare for Ko Samui?
The lowest available roundtrip fare is ฿5,550. Check the dates, baggage and final total before booking.
What is a typical fare for Ko Samui?
A typical fare is ฿6,923. Many available options sit between ฿5,665 and ฿7,322.
How many choices are available for Ko Samui?
Choose from 570 roundtrip flights across 1 destination in 1 country.
Are direct flights available for Ko Samui?
559 roundtrip flights are non-stop both ways. That is 98% of the current choices.
Which month has the lowest fares for Ko Samui?
Sep 2026 has the lowest available roundtrip fare, from ฿5,550.
When is the best time to fly from Bangkok to Ko Samui?
Based on current prices, September 2026 offers some of the best deals from Bangkok to Ko Samui. Check the month-by-month breakdown on this page for the cheapest times to fly.
Are there direct flights from Bangkok to Ko Samui?
Availability of direct flights depends on the season and airline. Use the "Direct" filter on our search page to find non-stop flights from Bangkok to Ko Samui.