Seattle / Tacoma (SEA) to Singapore (SIN) flight deal in economy from $821
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
SINSingapore Changi Airport
Singapore, Singapore
$1,187 USD
-31%$821 USD
Verified 14 days agoDecember 2026
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Rare Availability
8% of dates checked are available within 10% of the lowest price
Tuesday, December 29th, 2026
5 round-trip options
Returning
Sun, Jan 3, 2027•5 Day Trip
$2,322 USD
Returning
Mon, Jan 4, 2027•6 Day Trip
$2,073 USD
Returning
Tue, Jan 5, 2027•7 Day Trip
$2,064 USD
Returning
Sat, Jan 9, 2027•11 Day Trip
$1,894 USD
Returning
Tue, Jan 12, 2027•14 Day Trip
$1,345 USD