‌
‌
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

RatePunk searches hundreds of travel sites at once for deals on flights to Chiang Mai

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

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

Explore current cheapest deals departing from Ko Samui to Chiang Mai

September 11 - September 23

Cheapest

USM - Chiang Mai

$171

$164

Round trip

September 15 - September 23

Cheapest

USM - Chiang Mai

$179

$164

Round trip

September 10 - September 23

Cheapest

USM - Chiang Mai

$171

$164

Round trip

September 16 - September 23

Cheapest

USM - Chiang Mai

$185

$164

Round trip

September 19 - September 23

Cheapest
Best

USM - Chiang Mai

$192

$164

Round trip

September 9 - September 23

Earliest

USM - Chiang Mai

$171

$165

Round trip

November 13 - November 18

USM - Chiang Mai

$160

$208

Round trip

September 12 - September 25

USM - Chiang Mai

$171

$212

Round trip

September 11 - September 15

USM - Chiang Mai

$193

$216

Round trip

September 22 - September 25

USM - Chiang Mai

$192

$220

Round trip

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

Route Intelligence — 486,190 Searches this Week

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 16.7% of recent fares being non-stop. For connecting flights, the typical number of stopovers is 1. This means you'll often find yourself with a layover when traveling between these two destinations.
Right now, fares for cheap flights from Ko Samui to Chiang Mai are typically $178–$243, with a median of $222. Currently, prices are above the typical level. You'll find that 0% of recent fares were classified as a good price, indicating that finding exceptional deals may require careful timing.
When is the cheapest time to fly from Ko Samui to Chiang Mai? The data shows that October is typically the most affordable month, with a median fare of $149. Following closely are November and September, both with median fares of $157. Planning your trip during these months could lead to significant savings.
A typical journey from Ko Samui to Chiang Mai takes about 5h 0m, including connections. This duration accounts for the fact that most itineraries involve at least one stopover. The total distance covered on this route is 1032 kilometers, classifying it as a short-haul flight.

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

Regular price: $137 - $273

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

The regular price range for this route is between $137 and $273. The current lowest deal is $164 with Bangkok Airways, for travel from September 11 to September 23.

now $164

Low $137

High $273

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, Jun 18

⌛ Last-Minute

USM - Chiang Mai

Bangkok Airways

Ko Samui (USM) - Chiang Mai (CNX)

Bangkok Airways

$183

$325

One-way

Fri, Jun 19

⌛ Last-Minute

USM - Chiang Mai

Bangkok Airways

Ko Samui (USM) - Chiang Mai (CNX)

Bangkok Airways

$197

$352

One-way

Fri, Jun 19

⌛ Last-Minute

USM - Chiang Mai

Bangkok Airways

Ko Samui (USM) - Chiang Mai (CNX)

Bangkok Airways

$221

$373

One-way

Fri, Jun 19

⌛ Last-Minute

USM - Chiang Mai

Bangkok Airways

Ko Samui (USM) - Chiang Mai (CNX)

Bangkok Airways

$198

$393

One-way

Sat, Jun 20

⌛ Last-Minute

USM - Chiang Mai

Bangkok Airways

Ko Samui (USM) - Chiang Mai (CNX)

Bangkok Airways

$197

$282

One-way

Sat, Jun 20

⌛ Last-Minute

USM - Chiang Mai

Bangkok Airways

Ko Samui (USM) - Chiang Mai (CNX)

Bangkok Airways

$224

$306

One-way

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

4 nights

Sep 19 - Sep 23

$192  →  $164

15%

7 nights

Sep 16 - Sep 23

$185  →  $164

11%

8 nights

Sep 15 - Sep 23

$179  →  $164

8%

12 nights

Sep 11 - Sep 23

$171  →  $164

4%

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 $164.

📅 Best time to fly

October is historically the cheapest month to fly.

Historically, October is the cheapest month to fly from Ko Samui to Chiang Mai, with a median price of $149.

⏱️ Flight duration

Flights are typically 5h 0m long.

The typical flight duration from Ko Samui to Chiang Mai is 5h 0m, covering a distance of 1032 km.

✈️ Airlines & availability

Connecting flights are dominant for this route.

Only 16.7% of recent deals are direct, with connecting flights having a median of 1 stopover.

🏆 Airline highlight

Bangkok Airways offers direct flights.

Bangkok Airways is an airline that has offered direct flights on this route recently.

🎯 Booking tip

Deals are frequent for this route.

This route typically sees frequent deals, with an average of 0.73 deals per day.

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 from Ko Samui to Chiang Mai 60+ days in advance has yielded the lowest average prices, around $182. Prices tend to increase as the departure date approaches. For instance, flights booked 28-59 days out typically average $200, while those booked within 0-6 days of departure average $245. Planning ahead by at least two months generally offers the best value for this route.

Across the trailing quarter, a flight from Ko Samui to Chiang Mai is considered a good deal if it is priced at or below $178. The median price for this route has historically been $222. Prices above $243 are typically in the more expensive range. By aiming for prices at or below the $178 threshold, travelers can secure a favorable fare.

Historically, the cheapest months to fly from Ko Samui to Chiang Mai are October and September, both with a median price of $157. November also offers competitive pricing, with a median of $157. These months present a significant saving compared to the annual median price of $222 for this route. Travelers looking for the best value should consider these periods.

Related routes

Consider alternative routes from Ko Samui

Flights from Ko Samui to BangkokFlights from Ko Samui to Hong KongFlights from Ko Samui to ManilaFlights from Ko Samui to New DelhiFlights from Ko Samui to Phuket CityFlights from Ko Samui to SeoulFlights from Ko Samui to SingaporeFlights from Ko Samui to Taipei