Seattle / Tacoma (SEA) to Singapore (SIN) flight deal in economy from $821

United AirlinesUAUnited Airlines
Round Trip•Economy
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
SingaporeSIN

Singapore Changi Airport

Singapore, Singapore
$1,187 USD
-31%$821 USD
Verified 13 days ago
Rare Availability
8% of dates checked are available within 10% of the lowest price

Tuesday, July 21st, 2026

4 round-trip options

Returning
Thu, Jul 30, 2026•9 Day Trip
$1,339 USD
Google Flights
Returning
Fri, Jul 31, 2026•10 Day Trip
$1,390 USD
Google Flights
Returning
Mon, Aug 3, 2026•13 Day Trip
$1,243 USD
Google Flights
Returning
Tue, Aug 4, 2026•14 Day Trip
$1,243 USD
Google Flights