Seattle / Tacoma (SEA) to Singapore (SIN) flight deal in economy from $819
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
SINSingapore Changi Airport
Singapore, Singapore
$1,475 USD
-44%$819 USD
Verified about 8 hours agoDecember 2026
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Rare Availability
5% of dates checked are available within 10% of the lowest price
Friday, December 18th, 2026
10 round-trip options
Returning
Wed, Dec 23, 2026•5 Day Trip
$2,633 USD
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Thu, Dec 24, 2026•6 Day Trip
$2,493 USD
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Fri, Dec 25, 2026•7 Day Trip
$2,533 USD
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Sat, Dec 26, 2026•8 Day Trip
$2,884 USD
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Sun, Dec 27, 2026•9 Day Trip
$2,748 USD
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Mon, Dec 28, 2026•10 Day Trip
$2,748 USD
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Tue, Dec 29, 2026•11 Day Trip
$2,748 USD
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Wed, Dec 30, 2026•12 Day Trip
$2,748 USD
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Thu, Dec 31, 2026•13 Day Trip
$2,748 USD
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Fri, Jan 1, 2027•14 Day Trip
$3,339 USD