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Cheap flights from Ko Samui to Chiang Mai from ฿2,733

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
USM — CNX
20 May — 27 May1
1 adult

Cheap flight deals from Ko Samui to Chiang Mai

Discover tips and strategies to find the most affordable flight options for your journey from Ko Samui (USM) to Chiang Mai (CNX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 15 May 2025.

Round-trip from

฿5,999

One-way from

฿2,733

Popular in

January

Cheapest in

March

Average price

฿8,598

Good one-way deal

฿3,968 or less
Bangkok Airways
  • Bangkok Airways
  • 13/10-17/10
  • 1 total stop
  • 6h 00m total
  • Ko Samui to Chiang Mai
Search Deals
Bangkok Airways
  • Bangkok Airways
  • 5/8
  • Nonstop
  • 1h 45m total
  • Ko Samui to Chiang Mai
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (฿80,400 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (฿16,712 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2025
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Price to beat on a one-way flight from Ko Samui to Chiang Mai.
Search Deals

Find flight deals from Ko Samui to Chiang Mai

Cheapest flights from Ko Samui to Chiang Mai
Explore the most affordable flight options available from Ko Samui to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 May 2025.

Mon 13/1007:00USM - CNX
1 stop4h 15mBangkok Airways
Fri 17/1011:35CNX - USM
Nonstop1h 45mBangkok Airways
Deal found 14/5฿5,999
Fri 16/507:00USM - CNX
1 stop4h 20mMultiple Airlines
Tue 27/522:20CNX - USM
1 stop9h 00mMultiple Airlines
Deal found 14/5฿7,532
Sun 29/615:50USM - CNX
2 stops19h 50mMalaysia Airlines
Sun 6/712:35CNX - USM
2 stops19h 40mMalaysia Airlines
Deal found 14/5฿26,828

Cheapflights Fare Finder

Customise your flight search to find flights from Ko Samui to Chiang Mai that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 15 May 2025.
Use the filters below to find and compare flights from Ko Samui to Chiang Mai that are best for you.

Fly from

Ko Samui

Fly to

Chiang Mai

Route

Depart

Return

Price

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Mon 13/10

07:00-11:15

1 stop4h 15m

Chiang Mai

Fri 17/10

11:35-13:20

Nonstop1h 45m

฿5,999

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Thu 12/6

07:00-13:45

1 stop6h 45m

Chiang Mai

Mon 16/6

22:55-19:45

1 stop20h 50m

฿7,832

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Sun 29/6

15:50-11:40

2 stops19h 50m

Chiang Mai

Sun 6/7

12:35-08:15

2 stops19h 40m

฿26,828

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Tue 5/8

08:55-10:40

Nonstop1h 45m

฿2,733

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Sat 24/5

08:00-10:15

1 stop26h 15m

฿4,032

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Wed 21/5

15:50-13:40

2 stops21h 50m

฿10,131

Flights are sorted by cheapest return flights first.

Deals found on 15/5

Best time to book a flight from Ko Samui to Chiang Mai

Have a flexible travel schedule? Discover the best time to fly to Chiang Mai from Ko Samui with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ko Samui to Chiang Mai

What is the cheapest month to book a flight from Ko Samui to Chiang Mai?

Currently, May is the cheapest month in which you can book a flight from Ko Samui to Chiang Mai (average of ฿55). Flying from Ko Samui to Chiang Mai in December is currently the most expensive (average of ฿89). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from USM to CNX?

Find hourly flight availability from Ko Samui to Chiang Mai. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 May 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ko Samui to Chiang Mai as you normally would.

Weekly flight availability from Ko Samui to Chiang Mai

Explore weekly flight availability from Ko Samui to Chiang Mai. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 15 May 2025.

The most flights from USM to CNX are scheduled on a Monday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

Rainfall in Chiang Mai by month

Plan your trip to Chiang Mai by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chiang Mai ranges from 0.0 - 250.0 inches per month. September is typically the wettest month, when rainfall can reach 250.0 mm. January is typically the driest time to visit Chiang Mai when rainfall is around 0.0 mm.

Temperature in Chiang Mai by month

Plan your trip to Chiang Mai by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chiang Mai, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.0 C).

Reviews of airlines servicing Chiang Mai

Get insights into the airlines that provide service to Chiang Mai. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chiang Mai. Reviews last updated 15 May 2025.
Bangkok Airways
7.9
Good
109 reviews
Check prices

Food

7.2

Crew

8.5

Comfort

7.8

Boarding

7.9

Overall

7.9

Entertainment

6.2

Reviews

1 / 6
4.0
Okay

Derick,Jun 2024

HKT - BKK

Basic, long check-in and boarding. No entertainment and only a single spicy option for meal/snack.
Bangkok Airways
7.9
Good
109 reviews
Bangkok Airways
7.9
Good
109 reviews
Check prices

Food

7.2

Crew

8.5

Comfort

7.8

Boarding

7.9

Overall

7.9

Entertainment

6.2

Reviews

1 / 6
4.0
Okay

Derick,Jun 2024

HKT - BKK

Basic, long check-in and boarding. No entertainment and only a single spicy option for meal/snack.
Malaysia Airlines
7.3
Good
255 reviews
Bangkok Airways
7.9
Good
109 reviews
Check prices

Food

7.2

Crew

8.5

Comfort

7.8

Boarding

7.9

Overall

7.9

Entertainment

6.2

Reviews

1 / 6
4.0
Okay

Derick,Jun 2024

HKT - BKK

Basic, long check-in and boarding. No entertainment and only a single spicy option for meal/snack.

Related info for your journey

Find useful and relevant information for your journey from Ko Samui to Chiang Mai. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Ko Samui to Chiang Mai flight route?

    Flights from Ko Samui to Chiang Mai have been viewed 1 times in the past calendar month.

  • What are the cheapest airlines flying from Ko Samui to Chiang Mai round-trip?

    Our cheapest airline available from Ko Samui to Chiang Mai is Bangkok Airways. Our recent data shows that you can find tickets from as low as ฿5,999 on this airline. An additional option worth looking into is Malaysia Airlines, starting at ฿26,828. These flights start at 49% lower than the current average price 3 months from now.

  • What are the most reliable airlines from Ko Samui to Chiang Mai?

    The top 3 most reliable airlines when flying from Ko Samui to Chiang Mai are เอทิฮัดแอร์เวย์ (100%), Singapore Airlines (100%) and EVA Air (97%).

  • What are the cheapest flights from Ko Samui to Chiang Mai?

    Looking at all options, your cheapest flight can be booked for ฿2,838. While the most popular route (Ko Samui - Chiang Mai) can be booked for ฿6,299 on average our data indicates ฿6,466 when flying from Ko Samui to Chiang Mai.

  • Can I find deals for flights from Ko Samui to Chiang Mai that include hotel bookings?

    Yes. In addition to deals on Ko Samui to Chiang Mai flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ko Samui to Chiang Mai?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ko Samui to Chiang Mai.

  • Can I find deals for business class flights from Ko Samui to Chiang Mai?

    Yes. Cheapflights offers flight deals from Ko Samui to Chiang Mai by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ko Samui to Chiang Mai?

    Currently, May is the cheapest month in which you can book a flight from Ko Samui to Chiang Mai (average of ฿55). Flying from Ko Samui to Chiang Mai in December is currently the most expensive (average of ฿89). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Can Cheapflights find flights from Ko Samui to Chiang Mai with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ko Samui to Chiang Mai, users can toggle the no change fees filter when performing a flight search.

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