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 4 days ago
AU$605
Return
found 4 days ago
Select Vietjet Air flight, departing Fri, 9 Jan. from Osaka to Siem Reap, returning Tue, 13 Jan., priced at AU$605 found 4 days ago
Vietjet Air
Wed, 23 Jul. - Wed, 30 Jul.
KIX
Osaka
SAI
Siem Reap
AU$608 Return, found 1 day ago
AU$608
Return
found 1 day ago
Select Vietjet Air flight, departing Wed, 23 Jul. from Osaka to Siem Reap, returning Wed, 30 Jul., priced at AU$608 found 1 day ago
Thai AirAsia X
Wed, 23 Jul. - Wed, 30 Jul.
KIX
Osaka
SAI
Siem Reap
AU$664 Return, found 1 day ago
AU$664
Return
found 1 day ago
Select Thai AirAsia X flight, departing Wed, 23 Jul. from Osaka to Siem Reap, returning Wed, 30 Jul., priced at AU$664 found 1 day ago
Vietnam Airlines
Fri, 9 Jan. - Tue, 13 Jan.
KIX
Osaka
SAI
Siem Reap
AU$829 Return, found 4 days ago
AU$829
Return
found 4 days ago
Select Vietnam Airlines flight, departing Fri, 9 Jan. from Osaka to Siem Reap, returning Tue, 13 Jan., priced at AU$829 found 4 days ago
Japan Airlines
Wed, 23 Jul. - Wed, 30 Jul.
KIX
Osaka
SAI
Siem Reap
AU$1,312 Return, found 1 day ago
AU$1,312
Return
found 1 day ago
Select Japan Airlines flight, departing Wed, 23 Jul. from Osaka to Siem Reap, returning Wed, 30 Jul., priced at AU$1,312 found 1 day ago
Bangkok Airways
Wed, 23 Jul. - Wed, 30 Jul.
KIX
Osaka
SAI
Siem Reap
AU$1,761 Return, found 1 day ago
AU$1,761
Return
found 1 day ago
Select Bangkok Airways flight, departing Wed, 23 Jul. from Osaka to Siem Reap, returning Wed, 30 Jul., priced at AU$1,761 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.