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Chiang Mai (CNX) to Koh Samui (USM) Flights from ₹17,402

Fares on this route currently start from ₹17,402. Compare live CNX to USM prices, non-stop and connecting flights, departure times and airline choices before booking. Use the search panel to change origin, destination, passengers, cabin and trip type instantly.
CNX → USM Approx. 1031.92 km 04 Jun 2026 Live inventory
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Showing 25 of 139 live flights
Bangkok Airways
PG-220
20:00
06/04/2026
CNX
Chiang Mai International Airport
25h 35m
1 Stop
⏱ BKK · 22h 40mBKK Airport
21:35
06/05/2026
+1
USM
Samui Airport
₹17,402
per person
✕ Non-refundable🔥 Last 4 seats
bangkokairways
PG-216
10:10
06/04/2026
CNX
Chiang Mai International Airport
6h 40m
1 Stop
⏱ BKK · 4h 10mBKK Airport
16:50
06/04/2026
USM
Samui Airport
₹17,647
per person
✕ Non-refundable🔥 Last 1 seats10 fare options
bangkokairways
PG-216
10:10
06/04/2026
CNX
Chiang Mai International Airport
6h 55m
1 Stop
⏱ BKK · 4h 25mBKK Airport
17:05
06/04/2026
USM
Samui Airport
₹17,647
per person
✕ Non-refundable🔥 Last 2 seats10 fare options
bangkokairways
PG-216
10:10
06/04/2026
CNX
Chiang Mai International Airport
7h 35m
1 Stop
⏱ BKK · 5h 5mBKK Airport
17:45
06/04/2026
USM
Samui Airport
₹17,647
per person
✕ Non-refundable🔥 Last 4 seats4 fare options
Bangkok Airways
PG-220
20:00
06/04/2026
CNX
Chiang Mai International Airport
23h 45m
1 Stop
⏱ BKK · 20h 50mBKK Airport
19:45
06/05/2026
+1
USM
Samui Airport
₹18,336
per person
✕ Non-refundable🔥 Last 2 seats
bangkokairways
PG-216
10:10
06/04/2026
CNX
Chiang Mai International Airport
10h 40m
1 Stop
⏱ BKK · 7h 45mBKK Airport
20:50
06/04/2026
USM
Samui Airport
₹18,550
per person
✕ Non-refundable🔥 Last 2 seats4 fare options
bangkokairways
PG-216
10:10
06/04/2026
CNX
Chiang Mai International Airport
11h 25m
1 Stop
⏱ BKK · 8h 30mBKK Airport
21:35
06/04/2026
USM
Samui Airport
₹18,550
per person
✕ Non-refundable🔥 Last 2 seats4 fare options
Bangkok Airways
PG-216
10:10
06/04/2026
CNX
Chiang Mai International Airport
9h 35m
1 Stop
⏱ BKK · 6h 40mBKK Airport
19:45
06/04/2026
USM
Samui Airport
₹18,938
per person
✕ Non-refundable🔥 Last 4 seats3 fare options
Bangkok Airways
PG-220
20:00
06/04/2026
CNX
Chiang Mai International Airport
14h 35m
1 Stop
⏱ BKK · 11h 40mBKK Airport
10:35
06/05/2026
+1
USM
Samui Airport
₹18,938
per person
✕ Non-refundable🔥 Last 1 seats
Bangkok Airways
PG-220
20:00
06/04/2026
CNX
Chiang Mai International Airport
24h 30m
1 Stop
⏱ BKK · 22h 0mBKK Airport
20:30
06/05/2026
+1
USM
Samui Airport
₹19,052
per person
✕ Non-refundable🔥 Last 4 seats
Bangkok Airways
PG-220
20:00
06/04/2026
CNX
Chiang Mai International Airport
24h 50m
1 Stop
⏱ BKK · 21h 55mBKK Airport
20:50
06/05/2026
+1
USM
Samui Airport
₹19,052
per person
✕ Non-refundable🔥 Last 4 seats
Bangkok Airways
PG-220
20:00
06/04/2026
CNX
Chiang Mai International Airport
21h 5m
1 Stop
⏱ BKK · 18h 35mBKK Airport
17:05
06/05/2026
+1
USM
Samui Airport
₹19,081
per person
✕ Non-refundable🔥 Last 1 seats
Bangkok Airways
PG-216
10:10
06/04/2026
CNX
Chiang Mai International Airport
24h 25m
1 Stop
⏱ BKK · 21h 30mBKK Airport
10:35
06/05/2026
+1
USM
Samui Airport
₹19,211
per person
✕ Non-refundable🔥 Last 1 seats3 fare options
bangkokairways
PG-216
10:10
06/04/2026
CNX
Chiang Mai International Airport
5h 0m
1 Stop
⏱ BKK · 2h 30mBKK Airport
15:10
06/04/2026
USM
Samui Airport
₹19,469
per person
✕ Non-refundable🔥 Last 4 seats13 fare options
bangkokairways
PG-216
10:10
06/04/2026
CNX
Chiang Mai International Airport
5h 15m
1 Stop
⏱ BKK · 2h 20mBKK Airport
15:25
06/04/2026
USM
Samui Airport
₹19,469
per person
✕ Non-refundable12 fare options
bangkokairways
PG-220
20:00
06/04/2026
CNX
Chiang Mai International Airport
12h 15m
1 Stop
⏱ BKK · 9h 45mBKK Airport
08:15
06/05/2026
+1
USM
Samui Airport
₹19,469
per person
✕ Non-refundable11 fare options
bangkokairways
PG-216
10:10
06/04/2026
CNX
Chiang Mai International Airport
6h 20m
1 Stop
⏱ BKK · 3h 25mBKK Airport
16:30
06/04/2026
USM
Samui Airport
₹19,469
per person
✕ Non-refundable10 fare options
bangkokairways
PG-216
10:10
06/04/2026
CNX
Chiang Mai International Airport
6h 25m
1 Stop
⏱ BKK · 3h 55mBKK Airport
16:35
06/04/2026
USM
Samui Airport
₹19,469
per person
✕ Non-refundable10 fare options
bangkokairways
PG-216
10:10
06/04/2026
CNX
Chiang Mai International Airport
10h 20m
1 Stop
⏱ BKK · 7h 50mBKK Airport
20:30
06/04/2026
USM
Samui Airport
₹19,469
per person
✕ Non-refundable4 fare options
bangkokairways
PG-220
20:00
06/04/2026
CNX
Chiang Mai International Airport
12h 35m
1 Stop
⏱ BKK · 10h 5mBKK Airport
08:35
06/05/2026
+1
USM
Samui Airport
₹19,469
per person
✕ Non-refundable🔥 Last 2 seats9 fare options
Bangkok Airways
PG-220
20:00
06/04/2026
CNX
Chiang Mai International Airport
20h 35m
1 Stop
⏱ BKK · 18h 5mBKK Airport
16:35
06/05/2026
+1
USM
Samui Airport
₹19,856
per person
✕ Non-refundable3 fare options
Bangkok Airways
PG-220
20:00
06/04/2026
CNX
Chiang Mai International Airport
19h 25m
1 Stop
⏱ BKK · 16h 30mBKK Airport
15:25
06/05/2026
+1
USM
Samui Airport
₹19,856
per person
✕ Non-refundable🔥 Last 1 seats3 fare options
Bangkok Airways
PG-220
20:00
06/04/2026
CNX
Chiang Mai International Airport
21h 45m
1 Stop
⏱ BKK · 19h 15mBKK Airport
17:45
06/05/2026
+1
USM
Samui Airport
₹19,971
per person
✕ Non-refundable
Bangkok Airways
PG-220
20:00
06/04/2026
CNX
Chiang Mai International Airport
22h 30m
1 Stop
⏱ BKK · 20h 0mBKK Airport
18:30
06/05/2026
+1
USM
Samui Airport
₹19,971
per person
✕ Non-refundable
bangkokairways
PG-224
11:55
06/04/2026
CNX
Chiang Mai International Airport
8h 55m
1 Stop
⏱ BKK · 6h 0mBKK Airport
20:50
06/04/2026
USM
Samui Airport
₹19,994
per person
✕ Non-refundable4 fare options
😕 No flights match your filters.
Chiang Mai (CNX)
📍 Chiang Mai International Airport
🌍 Thailand
🕐 GMT 7
📐 Latitude: 18.766799926799997
📐 Longitude: 98.962600708
Koh Samui (USM)
📍 Samui Airport
🌍 Thailand
🕐 GMT 7
📐 Latitude: 9.547789573669998
📐 Longitude: 100.06199646

✈ Distance: Chiang Mai,Thailand to Koh Samui,Thailand — 1031.92 km

📅 Results on this page are loaded for 04 Jun 2026. Click View all flights for the complete live search.

Chiang Mai to Koh Samui — what to expect when booking

The CNX–USM route is served by multiple carriers throughout the year. Fares on this route can move quickly — a price available now may not be there 30 minutes later.

If your dates are flexible, try shifting your departure by a day or two using the date strip above. Mid-week departures often show lower base fares compared to weekend starts on many routes.

The distance between Chiang Mai,Thailand and Koh Samui,Thailand is approximately 1031.92 km.

Before you book

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More flights from Chiang Mai (CNX)
22 routes
Chiang Mai → Bangkok
CNX → DMK
Chiang Mai → Bangkok
CNX → BKK
Chiang Mai → Beijing
CNX → PEK
Chiang Mai → Chongqing
CNX → CKG
Chiang Mai → Guangzhou
CNX → CAN
Chiang Mai → Hangchow
CNX → HGH
Chiang Mai → Hatyai
CNX → HDY
Chiang Mai → Hong Kong
CNX → HKG
Chiang Mai → Krabi
CNX → KBV
Chiang Mai → Kuala Lumpur
CNX → KUL
Chiang Mai → Kunming
CNX → KMG
Chiang Mai → Macau
CNX → MFM
Chiang Mai → Nan
CNX → NNT
Chiang Mai → Phitsanulok
CNX → PHS
Chiang Mai → Phuket
CNX → HKT
Chiang Mai → Seoul
CNX → ICN
Chiang Mai → Shanghai
CNX → PVG
Chiang Mai → Singapore
CNX → SIN
Chiang Mai → Taipei
CNX → TPE
Chiang Mai → Udon Thani
CNX → UTH
Chiang Mai → Wuhan
CNX → WUH
Chiang Mai → Yangon
CNX → RGN
More flights from Koh Samui (USM)
9 routes
Koh Samui → Bangkok
USM → BKK
Koh Samui → Chiang Mai
USM → CNX
Koh Samui → Hong Kong
USM → HKG
Koh Samui → Krabi
USM → KBV
Koh Samui → Kuala Lumpur
USM → SZB
Koh Samui → Penang International
USM → PEN
Koh Samui → Phuket
USM → HKT
Koh Samui → Singapore
USM → SIN
Koh Samui → Utapao
USM → UTP
❓ Frequently asked questions — Chiang Mai to Koh Samui flights

Generally yes — fares on most routes are most competitive around 4–6 weeks before departure. Booking earlier usually means better availability and a lower base fare when your dates are fixed.

The straight-line distance between Chiang Mai,Thailand (CNX) and Koh Samui,Thailand (USM) is approximately 1031.92 km. Actual flying distance may vary slightly depending on routing.

Non-stop availability on this route varies by airline schedule and season. Use the filters below to quickly check whether direct options are available on your selected date.

Mid-week departures often show lower prices than weekend travel on many routes. Use the date strip above to compare nearby days quickly.