Cheap Flights from Koh Samui to Chiang Mai

Cheapest flights from Koh Samui to Chiang Mai

Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Koh Samui to Chiang Mai. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Cheapest one way flight

$109

Bangkok Airways

Direct flight

1h 50m

01/22/2027

The cheapest one-way flight from Koh Samui to Chiang Mai departs on 01/22/2027, is operated by Bangkok Airways and costs $109

Cheapest round trip flight

$350

Bangkok Airways

Direct flight

12h 50m

06/15/2026

The cheapest roundtrip flight from Koh Samui to Chiang Mai departs on 06/15/2026, is operated by Bangkok Airways and costs $350

The fastest flight

1h 45m

Fastest flight from Koh Samui to Chiang Mai takes 1h 45m

Direct flights

Several times a week

There are direct flights on this route 6 days a week: Su, Mo, Tu, We, Th, and Fr

Earliest flight

8:55 AM

Latest flight

8:55 AM

Average flight duration

1h 45m

Direct flights count

2

Distance

1031km

Timezone difference

0h

The distance between Koh Samui and Chiang Mai is 1031km (639 miles). The average flight duration is 1h 45m. There are 2 direct flights from Koh Samui to Chiang Mai. Koh Samui and Chiang Mai are in the same time zone. Flights from Koh Samui begin at 8:55 AM. The latest flight from Koh Samui departs at 8:55 AM

Remember that on average the ideal time to book flights is 2 months before departure!

Airfare from Koh Samui to Chiang Mai by month

The minimum one-way ticket price from Koh Samui to Chiang Mai is $109 (January 2027), while the maximum is $178 (July 2026). On average, a ticket costs $140–$295.

January 2027

Lowest price

on average:

$109

July 2026

Highest price

on average:

$178

Avg Price

Price dynamics

Tickets from Koh Samui to Chiang Mai are getting more expensive each month. From June 2026 to April 2027, the increase reached 4%, with prices now at $116. It's unlikely to get cheaper than the current level.

Cheaper and more expensive periods

The most significant price increase was from June 2026 to August 2026 — up 43%. The best time to fly is January 2027–April 2027, when the average price is $113. In July 2026–August 2026, tickets cost around $176.

Best time to buy

Given the rising prices, it's best not to delay your purchase. Flying in January 2027–April 2027 can save you up to 36% compared to the most expensive months.

Price predictability

Price variation across months on this route is 21.3%. Your choice of departure month significantly affects the total flight cost.

Airlines operating on route

The route Koh Samui — Chiang Mai is served by a single airline — Bangkok Airways. This means that when planning your trip, you won’t need to spend time choosing between dozens of carriers: all flights are operated by one provider, which simplifies the booking process. Despite the limited choice, passengers can still plan ahead, select optimal departure dates, and buy tickets at the lowest price — from $109. Using our service, you can quickly compare available Bangkok Airways flights and book a seat in advance at a favorable rate.

Bangkok Airways

starting at $109

Non-stop flights from Koh Samui to Chiang Mai

A non-stop flight is the most convenient and comfortable way to fly from Koh Samui to Chiang Mai, despite the fact that sometimes flights with transfers can cost significantly less.

Koh Samui — Chiang Mai

USM — CNX

01/22/2027

Departure

Direct flight

PG241

starting at $109

Koh Samui — Chiang Mai

USM — CNX

06/11/2026

Departure

Direct flight

PG241

starting at $121

Koh Samui — Chiang Mai

USM — CNX

06/14/2026

Departure

Direct flight

PG241

starting at $138

Koh Samui — Chiang Mai

USM — CNX

06/18/2026

Departure

Direct flight

PG241

starting at $150

Koh Samui — Chiang Mai

USM — CNX

06/17/2026

Departure

Direct flight

PG241

starting at $155

Koh Samui — Chiang Mai

USM — CNX

04/06/2027

Departure

Direct flight

PG241

starting at $155

Koh Samui — Chiang Mai

USM — CNX

06/16/2026

Departure

Direct flight

PG241

starting at $157

Koh Samui — Chiang Mai

USM — CNX

06/15/2026

Departure

Direct flight

PG241

starting at $159

Koh Samui — Chiang Mai

USM — CNX

06/21/2026

Departure

Direct flight

PG241

starting at $173

Koh Samui — Chiang Mai

USM — CNX

08/31/2026

Departure

Direct flight

PG241

starting at $174

Schedule of direct flights from Koh Samui to Chiang Mai

The only airline operating direct flights from Koh Samui to Chiang Mai is Bangkok Airways. Flights operate every day.

Bangkok Airways

Every day

starting at $125

Koh Samui airports overview

Koh Samui Airport

•

USM

Serving Koh Samui island in the Gulf of Thailand, it offers domestic and regional connections for resort travelers, with frequent charters and short-runway operations suited to turboprops and short-haul jets.

•

Chiang Mai airports overview

Chiang Mai International Airport

•

CNX

•

Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

What is the cheapest price for flights from Koh Samui to Chiang Mai?

The cheapest flight ticket from Koh Samui to Chiang Mai according to data for the last 48 hours costs $109

When is the best time to buy air tickets on the route Koh Samui — Chiang Mai?

Often the best time to buy tickets from Koh Samui to Chiang Mai is 2 months before departure.

When is the cheapest time of year to fly from Koh Samui to Chiang Mai?

Based on statistics over the past years, the lowest prices for flights from Koh Samui to Chiang Mai can be found flying in these months: January, April, June.

How long does it take to fly from Koh Samui to Chiang Mai?

The fastest flights from Koh Samui to Chiang Mai start from 1 hour 45 minutes in the air.

Which airline can fly direct from Koh Samui to Chiang Mai?

The following airlines operate direct flights on the route Koh Samui — Chiang Mai: Bangkok Airways

Special offers and sales on air tickets from Koh Samui to Chiang Mai

We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.

We couldn't find any special offers for flights from Koh Samui to Chiang Mai

Alternative routes

Alor Setar ➜ Chiang Mai•Bangkok ➜ Chiang Mai•Hat Yai ➜ Chiang Mai•Ipoh ➜ Chiang Mai•Kota Bharu ➜ Chiang Mai•Myeik ➜ Chiang Mai•Nakhon Si Thammarat ➜ Chiang Mai•Surat Thani ➜ Chiang Mai•Rach Gia ➜ Chiang Mai•Koh Samui ➜ Sittwe•Koh Samui ➜ Bangkok•Koh Samui ➜ Jinghong•Koh Samui ➜ Khon Kaen•Koh Samui ➜ Lincang•Koh Samui ➜ Mandalay•Koh Samui ➜ Udon Thani•Koh Samui ➜ Vientiane•Koh Samui ➜ Savannakhet

•••••••••••••••••••

Cheapest one way flight

$109

Bangkok Airways

Direct flight

1h 50m

01/22/2027

The cheapest one-way flight from Koh Samui to Chiang Mai departs on 01/22/2027, is operated by Bangkok Airways and costs $109

Cheapest round trip flight

$350

Bangkok Airways

Direct flight

12h 50m

06/15/2026

The cheapest roundtrip flight from Koh Samui to Chiang Mai departs on 06/15/2026, is operated by Bangkok Airways and costs $350

The fastest flight

1h 45m

Fastest flight from Koh Samui to Chiang Mai takes 1h 45m

Direct flights

Several times a week

There are direct flights on this route 6 days a week: Su, Mo, Tu, We, Th, and Fr

Earliest flight

8:55 AM

Latest flight

8:55 AM

Average flight duration

1h 45m

Direct flights count

2

Distance

1031km

Timezone difference

0h

Koh Samui — Chiang Mai

USM — CNX

01/22/2027

Departure

Direct flight

PG241

starting at $109

Koh Samui — Chiang Mai

USM — CNX

06/11/2026

Departure

Direct flight

PG241

starting at $121

Koh Samui — Chiang Mai

USM — CNX

06/14/2026

Departure

Direct flight

PG241

starting at $138

Koh Samui — Chiang Mai

USM — CNX

06/18/2026

Departure

Direct flight

PG241

starting at $150

Koh Samui — Chiang Mai

USM — CNX

06/17/2026

Departure

Direct flight

PG241

starting at $155

Koh Samui — Chiang Mai

USM — CNX

04/06/2027

Departure

Direct flight

PG241

starting at $155

Koh Samui — Chiang Mai

USM — CNX

06/16/2026

Departure

Direct flight

PG241

starting at $157

Koh Samui — Chiang Mai

USM — CNX

06/15/2026

Departure

Direct flight

PG241

starting at $159

Koh Samui — Chiang Mai

USM — CNX

06/21/2026

Departure

Direct flight

PG241

starting at $173

Koh Samui — Chiang Mai

USM — CNX

08/31/2026

Departure

Direct flight

PG241

starting at $174

What is the cheapest price for flights from Koh Samui to Chiang Mai?

The cheapest flight ticket from Koh Samui to Chiang Mai according to data for the last 48 hours costs $109

When is the best time to buy air tickets on the route Koh Samui — Chiang Mai?

Often the best time to buy tickets from Koh Samui to Chiang Mai is 2 months before departure.

When is the cheapest time of year to fly from Koh Samui to Chiang Mai?

Based on statistics over the past years, the lowest prices for flights from Koh Samui to Chiang Mai can be found flying in these months: January, April, June.

How long does it take to fly from Koh Samui to Chiang Mai?

The fastest flights from Koh Samui to Chiang Mai start from 1 hour 45 minutes in the air.

Which airline can fly direct from Koh Samui to Chiang Mai?

The following airlines operate direct flights on the route Koh Samui — Chiang Mai: Bangkok Airways

Price dynamics

Cheaper and more expensive periods

Best time to buy

Given the rising prices, it's best not to delay your purchase. Flying in January 2027–April 2027 can save you up to 36% compared to the most expensive months.

Price predictability

Price variation across months on this route is 21.3%. Your choice of departure month significantly affects the total flight cost.

Cheap Flights from Koh Samui to Chiang Mai — $109

Compare airlines, prices, and flight durations for your trip

Cheapest flights from Koh Samui to Chiang Mai

Cheapest one way flight

$109

Bangkok Airways

Direct flight

1h 50m

01/22/2027

Cheapest round trip flight

$350

Bangkok Airways

Direct flight

12h 50m

06/15/2026

The fastest flight

1h 45m

Direct flights

Several times a week

Earliest flight

8:55 AM

Latest flight

8:55 AM

Average flight duration

1h 45m

Direct flights count

2

Distance

1031km

Timezone difference

0h

Airfare from Koh Samui to Chiang Mai by month

January 2027

on average:

$109

July 2026

on average:

$178

Price dynamics

Cheaper and more expensive periods

Best time to buy

Price predictability

Airlines operating on route

Non-stop flights from Koh Samui to Chiang Mai

Schedule of direct flights from Koh Samui to Chiang Mai

Koh Samui airports overview

Koh Samui Airport

Chiang Mai airports overview

Chiang Mai International Airport

Frequently asked questions (FAQ)

Special offers and sales on air tickets from Koh Samui to Chiang Mai

Alternative routes

Cheapest one way flight

$109

Bangkok Airways

Direct flight

1h 50m

01/22/2027

Cheapest round trip flight

$350

Bangkok Airways

Direct flight

12h 50m

06/15/2026

The fastest flight

1h 45m

Direct flights

Several times a week

Earliest flight

8:55 AM

Latest flight

8:55 AM

Average flight duration

1h 45m

Direct flights count

2

Distance

1031km

Timezone difference

0h