Cheap flights from Chiang Mai to Siem Reap

View AU$161 flight on Fri, 5 Sep. 2025Opens in a new window

Popular airlines from Chiang Mai to Siem Reap

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Chiang Mai (CNX) to Siem Reap (SAI)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai AirAsia
Tue, 7 Oct. - Wed, 8 Oct.
CNX
Chiang Mai
SAI
Siem Reap
AU$345 Return, found 16 hours ago
AU$345
Return
found 16 hours ago
Select Thai AirAsia flight, departing Tue, 7 Oct. from Chiang Mai to Siem Reap, returning Wed, 8 Oct., priced at AU$345 found 16 hours ago
Thai AirAsia
Thu, 28 Aug. - Wed, 3 Sep.
CNX
Chiang Mai
SAI
Siem Reap
AU$345 Return, found 23 hours ago
AU$345
Return
found 23 hours ago
Select Thai AirAsia flight, departing Thu, 28 Aug. from Chiang Mai to Siem Reap, returning Wed, 3 Sep., priced at AU$345 found 23 hours ago
Thai AirAsia
Fri, 9 Jan. - Tue, 13 Jan.
CNX
Chiang Mai
SAI
Siem Reap
AU$347 Return, found 5 days ago
AU$347
Return
found 5 days ago
Select Thai AirAsia flight, departing Fri, 9 Jan. from Chiang Mai to Siem Reap, returning Tue, 13 Jan., priced at AU$347 found 5 days ago
Bangkok Airways
Thu, 28 Aug. - Wed, 3 Sep.
CNX
Chiang Mai
SAI
Siem Reap
AU$451 Return, found 23 hours ago
AU$451
Return
found 23 hours ago
Select Bangkok Airways flight, departing Thu, 28 Aug. from Chiang Mai to Siem Reap, returning Wed, 3 Sep., priced at AU$451 found 23 hours ago
Emirates
Thu, 28 Aug. - Wed, 3 Sep.
CNX
Chiang Mai
SAI
Siem Reap
AU$604 Return, found 23 hours ago
AU$604
Return
found 23 hours ago
Select Emirates flight, departing Thu, 28 Aug. from Chiang Mai to Siem Reap, returning Wed, 3 Sep., priced at AU$604 found 23 hours ago
Vietnam Airlines
Thu, 28 Aug. - Wed, 3 Sep.
CNX
Chiang Mai
SAI
Siem Reap
AU$1,186 Return, found 23 hours ago
AU$1,186
Return
found 23 hours ago
Select Vietnam Airlines flight, departing Thu, 28 Aug. from Chiang Mai to Siem Reap, returning Wed, 3 Sep., priced at AU$1,186 found 23 hours ago

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

July is typically the cheapest month to fly

From AU$331 - AU$1,195 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.