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

Thursday, July 23rd, 2026

4 round-trip options

Returning
Sat, Aug 1, 2026•9 Day Trip
$1,621 USD
Google Flights
Returning
Sun, Aug 2, 2026•10 Day Trip
$1,252 USD
Google Flights
Returning
Wed, Aug 5, 2026•13 Day Trip
$1,333 USD
Google Flights
Returning
Thu, Aug 6, 2026•14 Day Trip
$1,333 USD
Google Flights