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FlightsFrom Ko Samui

To Chiang Mai

Cheap Flights from Ko Samui to Chiang Mai

Browse current best options from Ko Samui. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Ko Samui

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Prices updated 5 days ago

402 airlines compared

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Fares are subject to change and may not be available for all dates. (Data last updated Jul 12, 2026.)

Today’s best flight deals from Ko Samui to Chiang Mai

Explore current cheapest deals departing from Ko Samui to Chiang Mai

September 17 - September 30

Cheapest
Best
Earliest

USM - Chiang Mai

$169

$226

Round trip

September 17 - October 17

Cheapest
Earliest

USM - Chiang Mai

$165

$226

Round trip

September 17 - September 23

Best
Earliest

USM - Chiang Mai

$184

$227

Round trip

October 19 - November 4

USM - Chiang Mai

$94

$228

Round trip

October 22 - November 4

USM - Chiang Mai

$96

$228

Round trip

October 20 - November 4

USM - Chiang Mai

$94

$228

Round trip

November 3 - November 4

USM - Chiang Mai

$95

$228

Round trip

October 30 - November 4

USM - Chiang Mai

$109

$228

Round trip

November 1 - November 4

USM - Chiang Mai

$95

$228

Round trip

November 2 - November 4

USM - Chiang Mai

$95

$228

Round trip

Unlock all 500+ flight deals to Chiang Mai and get alerts when great deals appear

Ko Samui to Chiang Mai: Overview

Insights for flights from Ko Samui to Chiang Mai

Most itineraries for flights from Ko Samui to Chiang Mai connect at least once, with only 16.2% of recent fares being non-stop. For journeys that include connections, the typical number of stopovers is one. This indicates that while direct options exist, travelers should anticipate a connecting flight for this route.
A typical journey from Ko Samui to Chiang Mai takes approximately 5 hours, 0 minutes, including any connections. This median duration accounts for the prevalence of connecting flights on this route, providing a realistic expectation for total travel time.
When is the cheapest time to fly from Ko Samui to Chiang Mai? The most affordable months to fly are typically October, with a median fare of $149, followed by November and September, both showing median fares of $157. Planning your trip during these months could result in more budget-friendly travel.
Right now, fares for flights from Ko Samui to Chiang Mai typically range from $185 to $245, with a median fare of $226. Current fares are above the typical level for this route. There are currently no recent fares classified as a good price, suggesting that prices are higher than usual at present. New deals for this route appear almost daily, offering frequent opportunities to find better prices.

How much is a round trip from Ko Samui to Chiang Mai

Regular price: $133 - $282

Prices for flights from Ko Samui to Chiang Mai are currently within the regular range.

The regular price range for this route is between 133 USD and 282 USD. The current lowest deal is 219 USD with Bangkok Airways, for travel from Oct 2-Oct 17.

now $219

Low $133

High $282

The cheapest time to fly from Ko Samui to Chiang Mai

Flights from USM to CNX are cheapest in October, with a median price of $149. The most expensive month to fly is August, with a median price of $247. Prices are generally lower from January to December.

October

Cheapest

Flights from $149

August

Most Expensive

Flights from $247

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Direct flights from Ko Samui to Chiang Mai

Airline logo

Bangkok Airways

Last-minute flights going from Ko Samui to Chiang Mai

Thu, Sep 3

⌛ Last-Minute

USM - Chiang Mai

Bangkok Airways

Ko Samui (USM) - Chiang Mai (CNX)

Bangkok Airways

$195

$293

One-way

Fri, Sep 4

⌛ Last-Minute

USM - Chiang Mai

Bangkok Airways

Ko Samui (USM) - Chiang Mai (CNX)

Bangkok Airways

$195

$261

One-way

Sat, Sep 5

⌛ Last-Minute

USM - Chiang Mai

Bangkok Airways

Ko Samui (USM) - Chiang Mai (CNX)

Bangkok Airways

$193

$252

One-way

Sun, Sep 6

⌛ Last-Minute

USM - Chiang Mai

Bangkok Airways

Ko Samui (USM) - Chiang Mai (CNX)

Bangkok Airways

$184

$236

One-way

Sun, Sep 6

⌛ Last-Minute

USM - Chiang Mai

Bangkok Airways

Ko Samui (USM) - Chiang Mai (CNX)

Bangkok Airways

$192

$240

One-way

Sun, Sep 6

⌛ Last-Minute

USM - Chiang Mai

Bangkok Airways

Ko Samui (USM) - Chiang Mai (CNX)

Bangkok Airways

$184

$265

One-way

Biggest price drops on these dates for flights from Ko Samui to Chiang Mai

3 nights

Dec 16 - Dec 19

$215  →  $231

8%

3 nights

Sep 16 - Sep 19

$193  →  $211

9%

3 nights

Dec 5 - Dec 8

$210  →  $234

12%

2 nights

Sep 24 - Sep 26

$193  →  $222

15%

Popular Airports to fly from Ko Samui to Chiang Mai

Ko Samui - Chiang Mai route insights

💸 Price insights

Recent fares are above the typical level

Recent fares from Ko Samui to Chiang Mai are above the typical level at $219.

📅 Best time to fly

October is historically cheapest at $149

Historically, October has the cheapest median price at $149 for Ko Samui to Chiang Mai.

⏱️ Flight duration

Median flight time is 5h 0m

The median flight duration from Ko Samui to Chiang Mai is 5 hours, including layovers.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights are dominant on this route, with 1 stopover being typical.

🏆 Airline highlight

Bangkok Airways offers direct flights

Bangkok Airways offers direct flights on the Ko Samui to Chiang Mai route.

🎯 Booking tip

Deals are frequent on this route

Deals for flights from Ko Samui to Chiang Mai are frequent, appearing within a 30-day window.

Ko Samui main airports to depart from

Samui (USM)

Cheapest

Departing from Ko Samui Airport offers a direct option for flights to Chiang Mai.

📍 ~10 km from Ko Samui city center (reachable by car)

💸 Flights from ~$164

Chiang Mai main airports to arrive at

Chiang Mai International (CNX)

Cheapest

Chiang Mai International Airport is a convenient arrival point for flights from Ko Samui to Chiang Mai.

📍 ~4 km from city center (reachable by car)

💸 Flights from ~$164

Airports nearby Chiang Mai used as alternative

Chiang Rai International (CEI)

Chiang Rai International is a primary alternative hub in Northern Thailand, offering a similar range of flight options.

📍 ~135 km from Chiang Mai (reachable by car or bus)

💸 Flights from ~$250

Lampang (LPT)

Lampang is geographically the closest airport to Chiang Mai, providing reliable domestic connections to Bangkok.

📍 ~75 km from Chiang Mai (reachable by car or train)

💸 Flights from ~$298

Phitsanulok (PHS)

Phitsanulok is a major regional hub with better infrastructure and flight frequency than smaller provincial airports.

📍 ~230 km from Chiang Mai (reachable by car or train)

💸 Flights from ~$265

Nan Nakhon (NNT)

Nan Nakhon is an alternative domestic gateway within the same geographic region, with reliable daily services.

📍 ~160 km from Chiang Mai (reachable by car)

💸 Flights from ~$277

Udon Thani International (UTH)

Cheapest

Udon Thani International is a high-capacity airport with frequent flights, useful during widespread disruptions.

📍 ~360 km from Chiang Mai (reachable by car)

💸 Flights from ~$219

Business & First Class Flight Deals to Chiang Mai

Discover luxury on the budget with premium cabin class on flights from Ko Samui to Chiang Mai.

Elite

Best Elite deals to Chiang Mai

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From USM

Elite

Sep 15

Chiang Mai, Thailand

49% AI deal score

$1,035

$934

Save $101

From USM

Elite

Oct 06

Chiang Mai, Thailand

49% AI deal score

$1,003

$938

Save $65

From USM

Elite

Oct 16

Chiang Mai, Thailand

49% AI deal score

$1,014

$938

Save $76

From USM

Elite

Oct 22

Chiang Mai, Thailand

48% AI deal score

$987

$938

Save $49

From USM

Elite

Oct 16

Chiang Mai, Thailand

48% AI deal score

$1,018

$955

Save $63

From USM

Elite

Oct 08

Chiang Mai, Thailand

48% AI deal score

$990

$956

Save $34

From USM

Elite

Sep 01

Chiang Mai, Thailand

48% AI deal score

$997

$956

Save $41

From USM

Elite

Oct 18

Chiang Mai, Thailand

48% AI deal score

$982

$956

Save $26

From USM

Elite

Sep 04

Chiang Mai, Thailand

48% AI deal score

$1,018

$956

Save $62

From USM

Elite

Jul 09

Chiang Mai, Thailand

48% AI deal score

$1,011

$972

Save $39

From USM

Elite

Jul 05

Chiang Mai, Thailand

48% AI deal score

$1,005

$975

Save $30

From USM

Elite

Jun 22

Chiang Mai, Thailand

47% AI deal score

$932

From USM

Elite

Jun 23

Chiang Mai, Thailand

47% AI deal score

$933

$932

Save $1

From USM

Elite

Oct 04

Chiang Mai, Thailand

47% AI deal score

$960

$938

Save $22

From USM

Elite

Aug 21

Chiang Mai, Thailand

47% AI deal score

$968

$956

Save $12

From USM

Elite

Sep 12

Chiang Mai, Thailand

47% AI deal score

$973

$972

Save $1

From USM

Elite

Sep 27

Chiang Mai, Thailand

47% AI deal score

$996

$972

Save $24

From USM

Elite

Jul 08

Chiang Mai, Thailand

47% AI deal score

$995

$972

Save $23

From USM

Elite

Jul 07

Chiang Mai, Thailand

47% AI deal score

$975

$972

Save $3

From USM

Elite

Jun 21

Chiang Mai, Thailand

46% AI deal score

$932

From USM

Elite

Jun 22

Chiang Mai, Thailand

46% AI deal score

$938

From USM

Elite

Sep 27

Chiang Mai, Thailand

45% AI deal score

$972

From USM

Elite

Jun 22

Chiang Mai, Thailand

44% AI deal score

$950

From USM

Elite

Jun 20

Chiang Mai, Thailand

44% AI deal score

$975

From USM

Elite

Jun 22

Chiang Mai, Thailand

43% AI deal score

$955

From USM

Elite

Jun 22

Chiang Mai, Thailand

43% AI deal score

$956

From USM

Elite

Jun 21

Chiang Mai, Thailand

43% AI deal score

$962

From USM

Elite

Jun 22

Chiang Mai, Thailand

43% AI deal score

$973

From USM

Elite

Jun 18

Chiang Mai, Thailand

42% AI deal score

$932

From USM

Elite

Jun 21

Chiang Mai, Thailand

42% AI deal score

$967

From USM

Elite

Jun 22

Chiang Mai, Thailand

42% AI deal score

$967

From USM

Elite

Jun 20

Chiang Mai, Thailand

42% AI deal score

$973

From USM

Elite

Jun 22

Chiang Mai, Thailand

42% AI deal score

$973

From USM

Elite

Jun 22

Chiang Mai, Thailand

42% AI deal score

$974

Frequently Asked Questions About Flights to Chiang Mai

Historically, booking flights 60+ days in advance typically offers the best value for flights from Ko Samui to Chiang Mai. Across the trailing quarter, prices averaged around $182 for bookings made in this window. In contrast, waiting until 0-6 days before departure saw average prices rise to $245. Planning ahead can lead to significant savings on this route.

A good deal for a flight from Ko Samui to Chiang Mai is typically considered to be $185 or less. This threshold is based on historical pricing data from the trailing 90 days. The median price for this route during that period was $226, with 75% of prices observed at $245 or below. Therefore, securing a fare at or below $185 represents a favorable price.

Historically, the cheapest months to fly from Ko Samui to Chiang Mai are October, November, and September. In October, the median price was $149, while both November and September saw median prices of $157. These prices are notably lower than the annual median price of $226 for this route, based on data from the trailing 270 days. Travelers looking for the best value should consider these months.

Related routes

Consider alternative routes from Ko Samui

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