Seattle / Tacoma (SEA) to Singapore (SIN) flight deal from $755 USD in economy class

UAUnited Airlines

Round Trip•Economy

SEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

SIN

Singapore Changi Airport

Singapore, Singapore

$1,067 USD

-29%$755 USD

Verified Nov 4, 2025 at 7:14 PM

November 2025

Today

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Sun

27 28 29 30 31 1 2 3 4$826 5$826 6$826 7$851 8$851 9$833 10$826 11$755 12$755 13$755 14$805 15$812 16$762 17$755 18$755 19$922 20$1,087 21$1,162 22$964 23$762 24$755 25$755 26$755 27$755 28$805 29$878 30$871

Fair Availability

20% of dates checked are available within 10% of the lowest price

Saturday, November 15th, 2025

10 round-trip options

Returning

Thu, Nov 20, 2025•5 Day Trip

$858 USD

Google Flights

Returning

Fri, Nov 21, 2025•6 Day Trip

$887 USD

Google Flights

Returning

Sat, Nov 22, 2025•7 Day Trip

$883 USD

Google Flights

Returning

Sun, Nov 23, 2025•8 Day Trip

$862 USD

Google Flights

Returning

Mon, Nov 24, 2025•9 Day Trip

$812 USD

Google Flights

Returning

Tue, Nov 25, 2025•10 Day Trip

$812 USD

Google Flights

Returning

Wed, Nov 26, 2025•11 Day Trip

$812 USD

Google Flights

Returning

Thu, Nov 27, 2025•12 Day Trip

$812 USD

Google Flights

Returning

Fri, Nov 28, 2025•13 Day Trip

$868 USD

Google Flights

Returning

Sat, Nov 29, 2025•14 Day Trip

$1,369 USD

Google Flights