Flights to Northwest Washington from Phnom Penh - ￥80,760

View ￥80,760 flight on Thu, Sep 4, 2025Opens in a new window

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Cheap Flights from Phnom Penh to Northwest Washington (PNH-SEA)

Prices were available within the past 7 days and start at ￥80,760 for one-way flights and ￥187,470 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Sat, Aug 2 - Sat, Aug 9
PNH
Phnom Penh
SEA
Seattle
￥187,470 Roundtrip, found 1 day ago
￥187,470
Roundtrip
found 1 day ago
Select Korean Air flight, departing Sat, Aug 2 from Phnom Penh to Seattle, returning Sat, Aug 9, priced at ￥187,470 found 1 day ago
Delta
Sat, Aug 2 - Sat, Aug 9
PNH
Phnom Penh
SEA
Seattle
￥201,790 Roundtrip, found 1 day ago
￥201,790
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Aug 2 from Phnom Penh to Seattle, returning Sat, Aug 9, priced at ￥201,790 found 1 day ago
Korean Air
Sat, Aug 2 - Sat, Aug 9
PNH
Phnom Penh
SEA
Seattle
￥204,510 Roundtrip, found 1 day ago
￥204,510
Roundtrip
found 1 day ago
Select Korean Air flight, departing Sat, Aug 2 from Phnom Penh to Seattle, returning Sat, Aug 9, priced at ￥204,510 found 1 day ago
EVA Airways
Sat, Aug 2 - Sat, Aug 9
PNH
Phnom Penh
SEA
Seattle
￥214,590 Roundtrip, found 1 day ago
￥214,590
Roundtrip
found 1 day ago
Select EVA Airways flight, departing Sat, Aug 2 from Phnom Penh to Seattle, returning Sat, Aug 9, priced at ￥214,590 found 1 day ago
Asiana Airlines
Sat, Aug 2 - Sat, Aug 9
PNH
Phnom Penh
SEA
Seattle
￥217,670 Roundtrip, found 1 day ago
￥217,670
Roundtrip
found 1 day ago
Select Asiana Airlines flight, departing Sat, Aug 2 from Phnom Penh to Seattle, returning Sat, Aug 9, priced at ￥217,670 found 1 day ago
Cathay Pacific
Sat, Aug 2 - Sat, Aug 9
PNH
Phnom Penh
SEA
Seattle
￥297,090 Roundtrip, found 1 day ago
￥297,090
Roundtrip
found 1 day ago
Select Cathay Pacific flight, departing Sat, Aug 2 from Phnom Penh to Seattle, returning Sat, Aug 9, priced at ￥297,090 found 1 day ago
*Available to Expedia members.