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

Saturday, July 18th, 2026

4 round-trip options

Returning
Mon, Jul 27, 2026•9 Day Trip
$1,077 USD
Google Flights
Returning
Tue, Jul 28, 2026•10 Day Trip
$1,077 USD
Google Flights
Returning
Fri, Jul 31, 2026•13 Day Trip
$1,396 USD
Google Flights
Returning
Sat, Aug 1, 2026•14 Day Trip
$1,627 USD
Google Flights