Cheap Cathay Pacific Flights from Seattle to Singapore (SEA→SIN)

View AU$704 flight on Thu, 19 Feb 2026Opens in a new window
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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.

Cathay Pacific
Tue, 29 Sept - Tue, 6 Oct
SEA
Seattle
SIN
Singapore
AU$1,295 Return, found 5 days ago
AU$1,295
Return
found 5 days ago
Select Cathay Pacific flight, departing Tue, 29 Sept from Seattle to Singapore, returning Tue, 6 Oct, priced at AU$1,295 found 5 days ago

Find the cheapest month to fly from Seattle (SEA) to Singapore (SIN)

November is typically the cheapest month to fly

From AU$1,021 - AU$1,358 per traveller.
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Flight from Seattle to Singapore route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Changi
Distance
12903 km

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