Seattle / Tacoma (SEA) to Singapore (SIN) flight deal in economy from $887

Monday, December 21st, 2026

7 round-trip options

Returning
Sat, Dec 26, 20265 Day Trip
$2,285 USD
Returning
Sun, Dec 27, 20266 Day Trip
$2,285 USD
Returning
Mon, Dec 28, 20267 Day Trip
$2,770 USD
Returning
Tue, Dec 29, 20268 Day Trip
$2,235 USD
Returning
Thu, Dec 31, 202610 Day Trip
$2,887 USD
Returning
Fri, Jan 1, 202711 Day Trip
$2,462 USD
Returning
Sat, Jan 2, 202712 Day Trip
$3,227 USD