Cheap flights from Osaka to Siem Reap

View AU$300 flight on Fri, 9 Jan. 2026Opens in a new window

Popular airlines from Osaka to Siem Reap

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Cheap Flights from Osaka (OSA) 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.

Vietjet Air
Fri, 9 Jan. - Tue, 13 Jan.
KIX
Osaka
SAI
Siem Reap
AU$605 Return, found 1 day ago
AU$605
Return
found 1 day ago
Select Vietjet Air flight, departing Fri, 9 Jan. from Osaka to Siem Reap, returning Tue, 13 Jan., priced at AU$605 found 1 day ago
Vietjet Air
Fri, 5 Dec. - Mon, 8 Dec.
KIX
Osaka
SAI
Siem Reap
AU$686 Return, found 1 day ago
AU$686
Return
found 1 day ago
Select Vietjet Air flight, departing Fri, 5 Dec. from Osaka to Siem Reap, returning Mon, 8 Dec., priced at AU$686 found 1 day ago
Vietnam Airlines
Fri, 9 Jan. - Tue, 13 Jan.
KIX
Osaka
SAI
Siem Reap
AU$829 Return, found 1 day ago
AU$829
Return
found 1 day ago
Select Vietnam Airlines flight, departing Fri, 9 Jan. from Osaka to Siem Reap, returning Tue, 13 Jan., priced at AU$829 found 1 day ago
Thai AirAsia X
Fri, 9 Jan. - Tue, 13 Jan.
KIX
Osaka
SAI
Siem Reap
AU$897 Return, found 1 day ago
AU$897
Return
found 1 day ago
Select Thai AirAsia X flight, departing Fri, 9 Jan. from Osaka to Siem Reap, returning Tue, 13 Jan., priced at AU$897 found 1 day ago
Thai Airways International
Fri, 21 Nov. - Tue, 25 Nov.
KIX
Osaka
SAI
Siem Reap
AU$1,762 Return, found 1 day ago
AU$1,762
Return
found 1 day ago
Select Thai Airways International flight, departing Fri, 21 Nov. from Osaka to Siem Reap, returning Tue, 25 Nov., priced at AU$1,762 found 1 day ago
All Nippon Airways
Fri, 9 Jan. - Tue, 13 Jan.
KIX
Osaka
SAI
Siem Reap
AU$3,416 Return, found 1 day ago
AU$3,416
Return
found 1 day ago
Select All Nippon Airways flight, departing Fri, 9 Jan. from Osaka to Siem Reap, returning Tue, 13 Jan., priced at AU$3,416 found 1 day ago

Find the cheapest month to fly from Osaka (OSA) to Chi Kraeng (SAI)

November is typically the cheapest month to fly

From AU$475 - AU$835 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.