Seattle / Tacoma (SEA) to Singapore (SIN) flight deal in economy from $394
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
SINSingapore Changi Airport
Singapore, Singapore
$547 USD
-28%$394 USD
Verified about 3 hours agoAugust 2026
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Fair Availability
24% of dates checked are available within 10% of the lowest price
Saturday, August 1st, 2026
Outbound Flights
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