Bangkok to Koh Samui flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Bangkok to Koh Samui is €69 (checked on 14 Nov 2026).
Your next trip, last seen at €69
When to fly
Explore datesMore dates worth a look
Find the dates that work for you
The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- 15 Nov€108
- 16 Nov€116
- 17 Nov€108
- 18 Nov€77
- 19 Nov€69
- 20 Nov€69
- 21 Nov€98
- 22 Nov€108
- 23 Nov€143
- 24 Nov€125
- 25 Nov€99
- 26 Nov€106
- 27 Nov€76
- 28 Nov€98
- 29 Nov€97
- 30 Nov€97
- Lowest observed
- €69, departing 19 Nov 2026 (Last checked: 14 Nov 2026)One-way fare · Priced departure days checked in the last 14 days: 156Check live prices for this route
- Round trip
- €86, departing 17 Nov 2026, back 19 Nov 2026 (Last checked: 14 Nov 2026)
- Airlines seen
- Bangkok Airways, Thai Vietjet Air
- Fastest observed flight time
- 1h 05m
- Non-stop
- Yes
About this route
Explore the fares we observed from Bangkok to Koh Samui. Prices move often, so pick your dates to see the latest options.
- Route distance
- 470 km
- Fastest observed flight time
- 1h 05m
- Airlines seen
- Bangkok Airways, Thai Vietjet Air
- Alternative airports
- DMK
Route-level information; individual journeys vary.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Non-stop airlines seen on this route
| Airline | Non-stop days / priced days |
|---|---|
| Bangkok Airways | 60 / 159 |
Departure days with a non-stop fare checked in the last 14 days. A carrier listed here had a non-stop fare on at least 3 days; schedules may differ.
Airport to city: straight-line distance
- Don Mueang International Airport (DMK) → Bangkok, city gazetteer reference point (13.7563, 100.5018): ≈ 21 km.
- Suvarnabhumi Airport (BKK) → Bangkok, city gazetteer reference point (13.7563, 100.5018): ≈ 28 km.
- Samui International Airport (USM) → Koh Samui, city gazetteer reference point (9.5553, 100.0628): ≈ 1 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest fare by departure month
Cheapest departure day we saw in November 2026 from Bangkok to Koh Samui: 19 Nov 2026, €69 (checked 14 Nov 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| November 2026 | €69 | 16 |
| December 2026 | €84 | 30 |
| January 2027 | €84 | 30 |
| February 2027 | €75 | 28 |
| March 2027 | €75 | 28 |
| April 2027 | €75 | 23 |
Lowest fare by day of the week
Cheapest Thursday departure we saw from Bangkok to Koh Samui: 19 Nov 2026, €69 (checked 14 Nov 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €75 | 23 |
| Tuesday | €75 | 22 |
| Wednesday | €75 | 25 |
| Thursday | €69 | 20 |
| Friday | €69 | 23 |
| Saturday | €75 | 20 |
| Sunday | €76 | 23 |
One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.
Observed fares by departure date
| Departure | Fare | Seen on |
|---|---|---|
| €108 | 14 Nov 2026 | |
| €116 | 13 Nov 2026 | |
| €108 | 13 Nov 2026 | |
| €77 | 14 Nov 2026 | |
| €69 | 14 Nov 2026 | |
| €69 | 14 Nov 2026 | |
| €98 | 14 Nov 2026 | |
| €108 | 14 Nov 2026 | |
| €143 | 12 Nov 2026 | |
| €125 | 13 Nov 2026 | |
| €99 | 13 Nov 2026 | |
| €106 | 13 Nov 2026 | |
| €76 | 13 Nov 2026 | |
| €98 | 13 Nov 2026 | |
| €97 | 13 Nov 2026 | |
| €97 | 13 Nov 2026 | |
| €98 | 13 Nov 2026 | |
| €84 | 13 Nov 2026 | |
| €97 | 12 Nov 2026 | |
| €115 | 12 Nov 2026 |
One-way fares. Each row is one price we saw for that departure day on the date shown, not a guaranteed fare.
Lowest fare by days before departure
Lowest fare from Bangkok to Koh Samui by days until departure (0 to 7 days): €69 (checked 14 Nov 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 0 to 7 days | €69 | 8 |
| 8 to 30 days | €76 | 23 |
| 31 to 60 days | €88 | 28 |
| 61 days or more | €75 | 97 |
One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.
Fares for different departure dates, checked now; not a guide to when to book.
Frequently asked
How much is a flight from Bangkok to Koh Samui?
The lowest fare Routavio has observed is €69, found on 14 Nov 2026.
Are there direct flights from Bangkok to Koh Samui?
Yes. Published schedules report non-stop flights on this route with Bangkok Airways, Thai Airways.
Which airlines fly from Bangkok to Koh Samui?
Routavio has seen these carriers on the route: Bangkok Airways, Thai Vietjet Air.
How long does the flight from Bangkok to Koh Samui take?
Across the 17 fares Routavio observed, the average journey time is 1h 12m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Bangkok to Koh Samui fares were non-stop?
21 of the 22 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
How much is a round trip from Bangkok to Koh Samui?
Cheapest round trip: €86, departing 17 Nov 2026, back 19 Nov 2026 (checked 14 Nov 2026).
Which airlines had non-stop offers on at least 3 departure dates from Bangkok to Koh Samui?
For Bangkok to Koh Samui, examples of observed one-way non-stop offers checked within the last 14 days: Bangkok Airways (60). Each number counts distinct departure dates, not weekly flights; check current availability in search.
When is the cheapest month to fly from Bangkok to Koh Samui?
Cheapest departure day we saw in November 2026 from Bangkok to Koh Samui: 19 Nov 2026, €69 (checked 14 Nov 2026).
Which day of the week is cheapest from Bangkok to Koh Samui?
Cheapest Thursday departure we saw from Bangkok to Koh Samui: 19 Nov 2026, €69 (checked 14 Nov 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
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Recently observed fares. Prices may change.