Krabi to Koh Samui KBV → USM
Krabi Airport (KBV) → Koh Samui Airport (USM)
The cheapest return found recently is $279 with Bangkok Airways, 18 Feb 2027 – 28 Feb 2027, found today. The cheapest one-way found recently is $79 with Bangkok Airways, 21 Sept 2027, found today.
Return
The cheapest return fare on each of 14 departure dates is usually $267 to $284.
Cheapest return found recently
$279
18 Feb 2027 – 28 Feb 2027 · Bangkok Airways
Krabi Airport (KBV) → Koh Samui Airport (USM)
Leaves 6:25 p.m. · Return leaves 12:25 p.m. · 1 h 35 min of travel, both ways together
out nonstop, back nonstop
found today
Cheapest nonstop return
$279
18 Feb 2027 – 28 Feb 2027 · Bangkok Airways
Krabi Airport (KBV) → Koh Samui Airport (USM)
Leaves 6:25 p.m. · Return leaves 12:25 p.m. · 1 h 35 min of travel, both ways together
out nonstop, back nonstop
found today
Found recently, and the cheapest we hold
$279 18 Feb 2027 – 28 Feb 2027found todaySee prices for these dates
$239 4 Nov – 8 Novfound 2 days agoSee prices for these dates
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $166 to $278.
At $279, the cheapest return found recently is above that range.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 14 departure dates from 4 Nov to 28 Feb 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 10-night return fares leaving within 3 days of 18 Feb 2027 to compare.
Every date we hold
15 fares on 14 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 4 Nov – 8 Nov | $239 | Bangkok Airways | Krabi Airport (KBV) → Koh Samui Airport (USM) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 5 Nov – 20 Nov | $247 | Bangkok Airways | Krabi Airport (KBV) → Koh Samui Airport (USM) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 10 Nov – 25 Nov | $263 | Bangkok Airways | Krabi Airport (KBV) → Koh Samui Airport (USM) | out nonstop, back nonstop | found 4 days ago | See prices for these dates |
| 11 Nov – 25 Nov | $281 | Bangkok Airways | Krabi Airport (KBV) → Koh Samui Airport (USM) | out nonstop, back nonstop | found 4 days ago | See prices for these dates |
| 12 Nov – 25 Nov | $281 | Bangkok Airways | Krabi Airport (KBV) → Koh Samui Airport (USM) | out nonstop, back nonstop | found 4 days ago | See prices for these dates |
| 20 Nov – 23 Nov | $335 | Thai Vietjet Air | Krabi Airport (KBV) → Koh Samui Airport (USM) | out 1 stop, back nonstop | found 5 days ago | See prices for these dates |
| 10 Dec – 16 Dec | $257 | Bangkok Airways | Krabi Airport (KBV) → Koh Samui Airport (USM) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 18 Dec – 23 Dec | $283 | Bangkok Airways | Krabi Airport (KBV) → Koh Samui Airport (USM) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 30 Dec – 6 Jan 2027 | $377 | Thai Lion Air | Krabi Airport (KBV) → Koh Samui Airport (USM) | out 1 stop, back nonstop | found today | See prices for these dates |
| 6 Jan 2027 – 11 Jan 2027 | $282 | Bangkok Airways | Krabi Airport (KBV) → Koh Samui Airport (USM) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 18 Jan 2027 – 31 Jan 2027 | $284 | Bangkok Airways | Krabi Airport (KBV) → Koh Samui Airport (USM) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 18 Feb 2027 – 28 Feb 2027 | $279 | Bangkok Airways | Krabi Airport (KBV) → Koh Samui Airport (USM) | out nonstop, back nonstop | found today | See prices for these dates |
| 22 Feb 2027 – 8 Mar 2027 | $286 | Bangkok Airways | Krabi Airport (KBV) → Koh Samui Airport (USM) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 28 Feb 2027 – 22 Mar 2027 | $280 | Bangkok Airways | Krabi Airport (KBV) → Koh Samui Airport (USM) | out nonstop, back nonstop | found yesterday | See prices for these dates |
Which month looks cheapest?
November 2026 is the cheapest month — from $239.
Airlines on the cheapest dates: Bangkok Airways, Thai Vietjet Air, Thai Lion Air.
One-way
The cheapest one-way fare on each of 3 departure dates is usually $101 to $123.
Cheapest one-way found recently
$79
21 Sept 2027 · Bangkok Airways
Krabi Airport (KBV) → Koh Samui Airport (USM)
Leaves 2:00 p.m. · 50 min trip
nonstop
found today
Cheapest nonstop one-way
$79
21 Sept 2027 · Bangkok Airways
Krabi Airport (KBV) → Koh Samui Airport (USM)
Leaves 2:00 p.m. · 50 min trip
nonstop
found today
Found recently, and the cheapest we hold
$79 21 Sept 2027found todayOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $79 to $81.
At $79, the cheapest one-way found recently is at the low end of that range.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 3 departure dates from 25 Feb 2027 to 21 Sept 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 21 Sept 2027 to compare.
Every date we hold
3 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 25 Feb 2027 | $123 | Thai AirAsia | Krabi Airport (KBV) → Koh Samui Airport (USM) | 1 stop | found 3 days ago | Open this trip |
| 8 Jul 2027 | $122 | Bangkok Airways | Krabi Airport (KBV) → Koh Samui Airport (USM) | nonstop | found 2 days ago | Open this trip |
| 21 Sept 2027 | $79 | Bangkok Airways | Krabi Airport (KBV) → Koh Samui Airport (USM) | nonstop | found today | Open this trip |
Which month looks cheapest?
September 2027 is the cheapest month — from $79.
Airlines on the cheapest dates: Bangkok Airways, Thai AirAsia.
Premium cabin fares from Krabi to Koh Samui
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 18 Feb 2027 – 28 Feb 2027 in another cabin: Premium economy · Business · First
Today's prices for 21 Sept 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Krabi to Koh Samui?
Return
Fares 14 to 29 days before departure were typically 32% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $322 | $166 | +47% | 11 |
| 14–29 days | $219 | $198 | Cheapest seen | 16 |
| 30–59 days | $255 | $254 | +17% | 16 |
| 60–89 days | $272 | $255 | +25% | 25 |
| 90–179 days | $283 | $280 | +30% | 20 |
| 180+ days | $222 | $222 | +2% | 8 |
One-way
Fares 180 or more days before departure were typically 43% lower than 60 to 89 days before departure.
From the cheapest one-way each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 60–89 days | $138 | $132 | +75% | 7 |
| 90–179 days | $137 | $123 | +73% | 19 |
| 180+ days | $79 | $79 | Cheapest seen | 25 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Phuket → Koh Samui
73 km from Krabi
$166
$113 less than flying from Krabi
5 Nov – 11 Nov · HKT → USM · out nonstop, back nonstop
found 5 hours ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Phuket → Koh Samui
73 km from Krabi
$82
$3 more than flying from Krabi
1 Jun 2027 · HKT → USM · nonstop
found yesterday
Krabi → Nakhon Si Thammarat
125 km from Koh Samui
$84
$5 more than flying to Koh Samui
12 Mar 2027 · KBV → NST · 1 stop
found 3 days ago
Surat Thani → Koh Samui
122 km from Krabi
$140
$61 more than flying from Krabi
1 Sept 2027 · URT → USM · 1 stop
found today
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 18 Feb 2027 – 28 Feb 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work