Cheap flights from San Francisco to Siem Reap from CA $603

View CA $603 flight on Mon, Sep. 1, 2025Opens in a new window

Popular airlines from San Francisco to Siem Reap

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Cheap flights from San Francisco (SJC) to Siem Reap (SAI)

Prices were available within the past 7 days and start at CA $603 for one-way flights and CA $1,439 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Singapore Airlines
Mon., Sep. 1 - Sat., Sep. 13
SFO
San Francisco
SAI
Siem Reap
CA $1,439 Roundtrip, found 3 days ago
CA $1,439
Roundtrip
found 3 days ago
Select Singapore Airlines flight, departing Mon., Sep. 1 from San Francisco to Siem Reap, returning Sat., Sep. 13, priced at CA $1,439 found 3 days ago
Singapore Airlines
Mon., Sep. 1 - Sat., Sep. 13
SFO
San Francisco
SAI
Siem Reap
CA $1,524 Roundtrip, found 3 days ago
CA $1,524
Roundtrip
found 3 days ago
Select Singapore Airlines flight, departing Mon., Sep. 1 from San Francisco to Siem Reap, returning Sat., Sep. 13, priced at CA $1,524 found 3 days ago
United
Mon., Sep. 1 - Sat., Sep. 13
SFO
San Francisco
SAI
Siem Reap
CA $1,579 Roundtrip, found 3 days ago
CA $1,579
Roundtrip
found 3 days ago
Select United flight, departing Mon., Sep. 1 from San Francisco to Siem Reap, returning Sat., Sep. 13, priced at CA $1,579 found 3 days ago
China Eastern Airlines
Mon., Sep. 1 - Sat., Sep. 13
SFO
San Francisco
SAI
Siem Reap
CA $1,607 Roundtrip, found 3 days ago
CA $1,607
Roundtrip
found 3 days ago
Select China Eastern Airlines flight, departing Mon., Sep. 1 from San Francisco to Siem Reap, returning Sat., Sep. 13, priced at CA $1,607 found 3 days ago
EVA Airways
Mon., Sep. 1 - Sat., Sep. 13
SFO
San Francisco
SAI
Siem Reap
CA $1,671 Roundtrip, found 3 days ago
CA $1,671
Roundtrip
found 3 days ago
Select EVA Airways flight, departing Mon., Sep. 1 from San Francisco to Siem Reap, returning Sat., Sep. 13, priced at CA $1,671 found 3 days ago
China Airlines
Mon., Sep. 1 - Sat., Sep. 13
SFO
San Francisco
SAI
Siem Reap
CA $1,797 Roundtrip, found 3 days ago
CA $1,797
Roundtrip
found 3 days ago
Select China Airlines flight, departing Mon., Sep. 1 from San Francisco to Siem Reap, returning Sat., Sep. 13, priced at CA $1,797 found 3 days ago
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