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 14 days ago
Rare Availability
8% of dates checked are available within 10% of the lowest price

Thursday, December 31st, 2026

5 round-trip options

Returning
Tue, Jan 5, 2027•5 Day Trip
$2,073 USD
Google Flights
Returning
Wed, Jan 6, 2027•6 Day Trip
$1,789 USD
Google Flights
Returning
Thu, Jan 7, 2027•7 Day Trip
$1,689 USD
Google Flights
Returning
Mon, Jan 11, 2027•11 Day Trip
$1,354 USD
Google Flights
Returning
Thu, Jan 14, 2027•14 Day Trip
$1,354 USD
Google Flights