SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
SINSingapore Changi Airport
Singapore, Singapore
$583 USD
-27%$423 USD
Verified Nov 29, 2025 at 6:48 PMJanuary 2026
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Fair Availability
29% of dates checked are available within 10% of the lowest price
Monday, January 5th, 2026
Outbound Flights
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