Singapore (SIN) to Seattle / Tacoma (SEA) flight deal from $456 USD in economy class – flightdeals.net

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United Airlines

UAUnited Airlines

One Way•Economy

Singapore Changi Airport

Singapore, Singapore

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

$610 USD

-25%$456 USD

Verified Nov 4, 2025 at 7:15 PM

November 2025

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27 28 29 30 31 1 2 3 4 5$456 6$456 7$456 8$456 9$456 10$456 11$456 12$456 13$456 14$618 15$1,398 16$536 17$456 18$456 19$456 20$456 21$456 22$456 23$456 24$456 25$456 26$456 27$518 28$518 29$951 30$1,134

Limited Availability

10% of dates checked are available within 10% of the lowest price

Sunday, November 2nd, 2025

No flight details available for this date.