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, September 1st, 2026

7 round-trip options

Returning
Sun, Sep 6, 2026•5 Day Trip
$1,071 USD
Google Flights
Returning
Mon, Sep 7, 2026•6 Day Trip
$1,071 USD
Google Flights
Returning
Fri, Sep 11, 2026•10 Day Trip
$1,071 USD
Google Flights
Returning
Sat, Sep 12, 2026•11 Day Trip
$1,071 USD
Google Flights
Returning
Sun, Sep 13, 2026•12 Day Trip
$1,071 USD
Google Flights
Returning
Mon, Sep 14, 2026•13 Day Trip
$1,071 USD
Google Flights
Returning
Tue, Sep 15, 2026•14 Day Trip
$1,071 USD
Google Flights