Cheap Flights from Chiang Mai to Siem Reap

View €171 flight on Thu, 12 Feb 2026Opens in a new window

Popular airlines from Chiang Mai to Siem Reap

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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 €171 for one-way flights and €716 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai Airways International
Wed, 20 Aug - Wed, 27 Aug
CNX
Chiang Mai
SAI
Siem Reap
€716 Return, found 1 day ago
€716
Return
found 1 day ago
Select Thai Airways International flight, departing Wed, 20 Aug from Chiang Mai to Siem Reap, returning Wed, 27 Aug, priced at €716 found 1 day ago
Thai Airways International
Wed, 20 Aug - Wed, 27 Aug
CNX
Chiang Mai
SAI
Siem Reap
€737 Return, found 1 day ago
€737
Return
found 1 day ago
Select Thai Airways International flight, departing Wed, 20 Aug from Chiang Mai to Siem Reap, returning Wed, 27 Aug, priced at €737 found 1 day ago
Thai Airways International
Tue, 1 Jul - Fri, 4 Jul
CNX
Chiang Mai
SAI
Siem Reap
€747 Return, found 1 day ago
€747
Return
found 1 day ago
Select Thai Airways International flight, departing Tue, 1 Jul from Chiang Mai to Siem Reap, returning Fri, 4 Jul, priced at €747 found 1 day ago
Thai Airways International
Tue, 1 Jul - Fri, 4 Jul
CNX
Chiang Mai
SAI
Siem Reap
€767 Return, found 1 day ago
€767
Return
found 1 day ago
Select Thai Airways International flight, departing Tue, 1 Jul from Chiang Mai to Siem Reap, returning Fri, 4 Jul, priced at €767 found 1 day ago
Thai Airways International
Wed, 20 Aug - Wed, 27 Aug
CNX
Chiang Mai
SAI
Siem Reap
€785 Return, found 1 day ago
€785
Return
found 1 day ago
Select Thai Airways International flight, departing Wed, 20 Aug from Chiang Mai to Siem Reap, returning Wed, 27 Aug, priced at €785 found 1 day ago
Thai Airways International
Wed, 20 Aug - Wed, 27 Aug
CNX
Chiang Mai
SAI
Siem Reap
€806 Return, found 1 day ago
€806
Return
found 1 day ago
Select Thai Airways International flight, departing Wed, 20 Aug from Chiang Mai to Siem Reap, returning Wed, 27 Aug, priced at €806 found 1 day ago

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

July is typically the cheapest month to fly

From €183 - €633 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.