Cheap flights from Nha Trang to Koh Samui from $110 CXR → USM
Cam Ranh International Airport (CXR) → Koh Samui Airport (USM)
The cheapest return found recently is $375 with Thai AirAsia, 29 Apr 2027 – 5 May 2027, found 6 days ago. The cheapest one-way found recently is $110 with Thai Vietjet Air, 17 Nov, found 2 days ago.
- Cheapest one-way found recently
- $110, found 2 days ago
- Cheapest return found recently
- $375, 29 Apr 2027 to 5 May 2027
- Cheapest month to fly
- November 2026, one-way fares from $110 found in the last 7 days
Return
Not enough comparable prices yet for a usual return price.
Cheapest return found recently
$375
29 Apr 2027 – 5 May 2027 · Thai AirAsia
Cam Ranh International Airport (CXR) → Koh Samui Airport (USM)
Leaves 10:30 a.m. · Return leaves 3:50 p.m. · 28 h 10 min of travel, both ways together
out 1 stop, back 1 stop
found 6 days ago
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$375 29 Apr 2027 – 5 May 2027found 6 days agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 46 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $356 to $567.
Those were the prices on those days, not today's.
Is this a good return price?
Not enough comparable prices yet: we hold return fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other 6-night return fares leaving within 3 days of 29 Apr 2027 to compare.
Every date we hold
1 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 29 Apr 2027 – 5 May 2027 | $375 | Thai AirAsia | Cam Ranh International Airport (CXR) → Koh Samui Airport (USM) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
Airlines on the cheapest dates: Thai AirAsia.
One-way
The cheapest one-way fare on each of 3 departure dates is usually $131 to $177.
Cheapest one-way found recently
$110
17 Nov · Thai Vietjet Air
Cam Ranh International Airport (CXR) → Koh Samui Airport (USM)
Leaves 2:20 p.m. · 17 h 15 min trip
stops unknown
found 2 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$110 17 Novfound 2 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 4 days, 25 Sept to 11 Nov, the cheapest one-way we saw each day was $110 to $363.
At $110, the cheapest one-way found recently is at the low end of that range.
4 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 17 Nov to 15 Jul 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 17 Nov to compare.
Every date we hold
3 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 17 Nov | $110 | Thai Vietjet Air | Cam Ranh International Airport (CXR) → Koh Samui Airport (USM) | stops unknown | found 2 days ago | Open this trip |
| 6 Jun 2027 | $202 | Thai Vietjet Air | Cam Ranh International Airport (CXR) → Koh Samui Airport (USM) | 1 stop | found 3 days ago | Open this trip |
| 15 Jul 2027 | $152 | Thai AirAsia | Cam Ranh International Airport (CXR) → Koh Samui Airport (USM) | 1 stop | found 2 days ago | Open this trip |
Which month looks cheapest?
November 2026 is the cheapest month — from $110.
Airlines on the cheapest dates: Thai Vietjet Air, Thai AirAsia.
Premium cabin fares from Nha Trang 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 29 Apr 2027 – 5 May 2027 in another cabin: Premium economy · Business · First
Today's prices for 17 Nov in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Nha Trang to Koh Samui?
Return
The cheapest fares were 14 to 29 days before departure.
From the cheapest return each day between 24 Sept and 11 Nov (46 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 |
|---|---|---|---|---|
| 14–29 days | $356 | $356 | Cheapest seen | 9 |
| 30–59 days | $506 | $397 | +42% | 21 |
| 60–89 days | $517 | $452 | +45% | 20 |
| 90–179 days | $466 | $375 | +31% | 28 |
One-way
Not enough history yet: we have 4 days of one-way prices, 25 Sept to 11 Nov, and compare booking times once 3 booking ranges have 7 days each.
Live price for these dates
The cheapest return found recently is for 29 Apr 2027 – 5 May 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Nha Trang to Koh Samui?
The cheapest return found recently is $375 with Thai AirAsia, 29 Apr 2027 to 5 May 2027, found 6 days ago.
How much is a one-way flight from Nha Trang to Koh Samui?
The cheapest one-way found recently is $110 with Thai Vietjet Air, 17 Nov, found 2 days ago. The cheapest one-way fare on each of 3 departure dates is usually $131 to $177.
What is the cheapest month to fly from Nha Trang to Koh Samui?
November 2026 is the cheapest month for a one-way, from $110, 17 Nov, found 2 days ago.
How far ahead should I book a flight from Nha Trang to Koh Samui?
In 46 days of prices between 24 Sept and 11 Nov, return fares were cheapest 14 to 29 days before departure.
Which airlines have the cheapest flights from Nha Trang to Koh Samui?
Between 17 Nov and 15 Jul 2027, Thai Vietjet Air has the cheapest one-way on 2 of the 3 departure dates we hold, and Thai AirAsia on 1.
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