SEA to SIN from $405 in economy – flightdeals.net

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United Airlines

UAUnited Airlines

One Way•Economy

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

Singapore Changi Airport

Singapore, Singapore

$679 USD

-40%$405 USD

Verified about 18 hours ago

July 2026

Mon

Tue

Wed

Thu

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Sun

29$551 30$551 1$546 2$546 3$559 4$546 5$546 6$551 7$551 8$546 9$546 10$546 11$811 12$546 13$546 14$552 15$546 16$546 17$811 18$551 19$546 20$546 21$546 22$546 23$546 24$546 25$559 26$546 27$546 28$546 29$546 30$546 31$811 1$886 2$825

Rare Availability

7% of dates checked are available within 10% of the lowest price

Tuesday, July 7th, 2026

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