Cheap flights from Koh Samui to Chiang Mai

One-way fares from $90 · USM → CNX · prices found by travellers in the last 48 hours

Compare all dates Chiang Mai → Koh Samui
Cheapest fare
$90

Bangkok Airways · Sat, Nov 7

Cheapest month
November

from $90

Direct flights
Yes

Bangkok Airways

Flight time
1h 50m

1,030 km

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Cheapest month to fly from Koh Samui to Chiang Mai

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $90
  2. December 2026 $112
  3. January 2027 $123
  4. February 2027 $111
  5. March 2027 $92

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Bangkok Airways
Depart06:45 Sat, Nov 7USM → CNX 3h 00m · 1 stop
$90one way, per person
View deal
Bangkok Airways
Depart08:30 Sun, Nov 8USM → CNX 2h 40m · 1 stop
$90one way, per person
View deal
Bangkok Airways
Depart07:55 Mon, Nov 9USM → CNX 2h 35m · 1 stop
$96one way, per person
View deal
Bangkok Airways
Depart08:50 Mon, Nov 30USM → CNX 1h 50m · Direct
$96one way, per person
View deal
Bangkok Airways
Depart08:30 Fri, Nov 6USM → CNX 2h 30m · 1 stop
$100one way, per person
View deal
Bangkok Airways
Depart07:00 Tue, Nov 10USM → CNX 2h 40m · 1 stop
$100one way, per person
View deal
Bangkok Airways
Depart08:50 Thu, Nov 19USM → CNX 1h 50m · Direct
$125one way, per person
View deal
Bangkok Airways
Depart08:50 Wed, Nov 4USM → CNX 1h 50m · Direct
$130one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Chiang Mai

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in Chiang MaiCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in Chiang MaiTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in Chiang MaiPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in Chiang MaiCompare rental cars from major brands on EconomyBookings Compare cars →

About flights from Koh Samui to Chiang Mai

Koh Samui (USM) and Chiang Mai (CNX) are about 1,030 km apart. Direct flights take around 1h 50m, and recent direct fares were with Bangkok Airways. Over the next few months, one-way fares start from $90, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Koh Samui to Chiang Mai?

The cheapest one-way fare we've seen recently is $90 with Bangkok Airways, departing Saturday, November 7, 2026. Over the coming months, the lowest fare in each month ranges from $90 to $123.

What is the cheapest month to fly from Koh Samui to Chiang Mai?

November 2026 currently has the lowest fares, from $90 one way.

Are there direct flights from Koh Samui to Chiang Mai?

Yes. Recent direct fares were with Bangkok Airways.

How long is the flight from Koh Samui to Chiang Mai?

A direct flight takes about 1h 50m. Koh Samui and Chiang Mai are around 1,030 km apart.

Which airlines fly from Koh Samui to Chiang Mai?

Recent fares on this route were with Bangkok Airways.

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