Seattle / Tacoma (SEA) to Singapore (SIN) flight deal in economy from $407
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
SINSingapore Changi Airport
Singapore, Singapore
$806 USD
-50%$407 USD
Verified about 6 hours agoOctober 2026
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Rare Availability
5% of dates checked are available within 10% of the lowest price
Monday, October 19th, 2026
Outbound Flights
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