Cheap Flights from Chiang Mai to Siem Reap

View €172 flight on Wed, 26 Nov 2025Opens in a new window

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Cheap flights from Chiang Mai to Siem Reap (CNX-SAI)

Prices were available within the past 7 days and start at €172 for one-way flights and €492 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai Airways International
Thu, 21 Aug - Wed, 27 Aug
CNX
Chiang Mai
SAI
Siem Reap
€492 Return, found 4 days ago
€492
Return
found 4 days ago
Select Thai Airways International flight, departing Thu, 21 Aug from Chiang Mai to Siem Reap, returning Wed, 27 Aug, priced at €492 found 4 days ago
Thai Airways International
Thu, 21 Aug - Wed, 27 Aug
CNX
Chiang Mai
SAI
Siem Reap
€496 Return, found 4 days ago
€496
Return
found 4 days ago
Select Thai Airways International flight, departing Thu, 21 Aug from Chiang Mai to Siem Reap, returning Wed, 27 Aug, priced at €496 found 4 days ago
Thai Airways International
Thu, 21 Aug - Wed, 27 Aug
CNX
Chiang Mai
SAI
Siem Reap
€513 Return, found 4 days ago
€513
Return
found 4 days ago
Select Thai Airways International flight, departing Thu, 21 Aug from Chiang Mai to Siem Reap, returning Wed, 27 Aug, priced at €513 found 4 days ago
Thai Airways International
Thu, 21 Aug - Wed, 27 Aug
CNX
Chiang Mai
SAI
Siem Reap
€551 Return, found 4 days ago
€551
Return
found 4 days ago
Select Thai Airways International flight, departing Thu, 21 Aug from Chiang Mai to Siem Reap, returning Wed, 27 Aug, priced at €551 found 4 days ago
Thai Airways International
Thu, 21 Aug - Wed, 27 Aug
CNX
Chiang Mai
SAI
Siem Reap
€555 Return, found 4 days ago
€555
Return
found 4 days ago
Select Thai Airways International flight, departing Thu, 21 Aug from Chiang Mai to Siem Reap, returning Wed, 27 Aug, priced at €555 found 4 days ago
Thai Airways International
Thu, 21 Aug - Wed, 27 Aug
CNX
Chiang Mai
SAI
Siem Reap
€572 Return, found 4 days ago
€572
Return
found 4 days ago
Select Thai Airways International flight, departing Thu, 21 Aug from Chiang Mai to Siem Reap, returning Wed, 27 Aug, priced at €572 found 4 days ago

Find the cheapest month to fly from Chiang Mai (CNX) to Chi Kraeng (SAI)

July is typically the cheapest month to fly

From €182 - €628 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.