- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 30% on select hotels after you book a flight*
Plan, book, fly with confidence
Cheap flights from Chiang Mai (CNX) to Koh Samui (USM)
Prices were available within the past 7 days and start at CA $253 for one-way flights and CA $512 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Wed., Nov. 20 - Thu., Nov. 21
CNX
Chiang Mai
USM
Ko Samui
CA $512 Roundtrip, found 8 hours ago
CA $512
Roundtrip
found 8 hours ago
Mon., Feb. 17 - Fri., Feb. 28
CNX
Chiang Mai
USM
Ko Samui
CA $515 Roundtrip, found 6 days ago
CA $515
Roundtrip
found 6 days ago
Tue., Oct. 15 - Tue., Oct. 22
CNX
Chiang Mai
USM
Ko Samui
CA $526 Roundtrip, found 1 hour ago
CA $526
Roundtrip
found 1 hour ago
Thu., Jun. 13 - Sun., Jun. 16
CNX
Chiang Mai
USM
Ko Samui
CA $527 Roundtrip, found 2 days ago
CA $527
Roundtrip
found 2 days ago
Thu., Jul. 4 - Mon., Jul. 8
CNX
Chiang Mai
USM
Ko Samui
CA $528 Roundtrip, found 2 days ago
CA $528
Roundtrip
found 2 days ago
Fri., Jan. 31 - Wed., Feb. 5
CNX
Chiang Mai
USM
Ko Samui
CA $530 Roundtrip, found 4 days ago
CA $530
Roundtrip
found 4 days ago
Expedia's Latest Trends
Hotels
Flights
Flights from RimouskiFlights from Vancouver (YVR) to Yundum (BJL)Flights to Guatemala CityFlights from Québec City (YQB) to Dublin (DUB)Flights from Winnipeg (YWG) to Narita (NRT)Flights to MonacoFlights from Grande Prairie (YQU) to Brandon (YBR)Flights to CanadaFlights to BiloxiFlights from Loreto (LTO) to San José del Cabo (SJD)Flights from Calgary (YYC) to Green Bay (GRB)Flights from Rome (FCO) to Milan (MXP)Flights from Regina (YQR) to Lisbon District (LIS)Flights from Doha (DOH) to Toronto (YYZ)Flights from Winnipeg (YWG) to Amritsar (ATQ)
General
*Available to Expedia members.