Cheap flights from Phnom Penh to Herron Island

View AU$776 flight on Sun, 7 Sep. 2025Opens in a new window

Popular airlines from Phnom Penh to Herron Island

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Cheap Flights from Phnom Penh (PNH) to Herron Island (SEA)

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.

Philippine Airlines
Sun, 7 Sep. - Sun, 14 Sep.
PNH
Phnom Penh
SEA
Seattle
AU$1,163 Return, found 11 hours ago
AU$1,163
Return
found 11 hours ago
Select Philippine Airlines flight, departing Sun, 7 Sep. from Phnom Penh to Seattle, returning Sun, 14 Sep., priced at AU$1,163 found 11 hours ago
Asiana Airlines
Sun, 7 Sep. - Sun, 14 Sep.
PNH
Phnom Penh
SEA
Seattle
AU$1,335 Return, found 11 hours ago
AU$1,335
Return
found 11 hours ago
Select Asiana Airlines flight, departing Sun, 7 Sep. from Phnom Penh to Seattle, returning Sun, 14 Sep., priced at AU$1,335 found 11 hours ago
Philippine Airlines
Sun, 7 Sep. - Sun, 14 Sep.
PNH
Phnom Penh
SEA
Seattle
AU$1,430 Return, found 11 hours ago
AU$1,430
Return
found 11 hours ago
Select Philippine Airlines flight, departing Sun, 7 Sep. from Phnom Penh to Seattle, returning Sun, 14 Sep., priced at AU$1,430 found 11 hours ago
Delta
Sun, 7 Sep. - Sun, 14 Sep.
PNH
Phnom Penh
SEA
Seattle
AU$1,578 Return, found 11 hours ago
AU$1,578
Return
found 11 hours ago
Select Delta flight, departing Sun, 7 Sep. from Phnom Penh to Seattle, returning Sun, 14 Sep., priced at AU$1,578 found 11 hours ago
Korean Air
Sun, 7 Sep. - Sun, 14 Sep.
PNH
Phnom Penh
SEA
Seattle
AU$1,583 Return, found 11 hours ago
AU$1,583
Return
found 11 hours ago
Select Korean Air flight, departing Sun, 7 Sep. from Phnom Penh to Seattle, returning Sun, 14 Sep., priced at AU$1,583 found 11 hours ago
Bangkok Airways
Sun, 7 Sep. - Sun, 14 Sep.
PNH
Phnom Penh
SEA
Seattle
AU$1,710 Return, found 11 hours ago
AU$1,710
Return
found 11 hours ago
Select Bangkok Airways flight, departing Sun, 7 Sep. from Phnom Penh to Seattle, returning Sun, 14 Sep., priced at AU$1,710 found 11 hours ago

Find the cheapest month to fly from Phnom Penh (PNH) to Seattle (SEA)

November is typically the cheapest month to fly

From AU$1,145 - AU$1,963 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.