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 13 hours ago

June 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1 2 3 4 5$901 6$546 7$546 8$546 9$546 10$811 11$824 12$958 13$825 14$811 15$546 16$901 17$546 18$811 19$1,329 20$938 21$886 22$811 23$817 24$811 25$886 26$886 27$891 28$551 29$551 30$551 1$546 2$546 3$559 4$546 5$546

Rare Availability

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

Monday, June 1st, 2026

No flight details available for this date.