Seattle / Tacoma (SEA) to Singapore (SIN) flight deal in economy from $819

Delta Air LinesDLDelta Air Lines
Round Trip•Economy
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
SingaporeSIN

Singapore Changi Airport

Singapore, Singapore
$1,331 USD
-38%$819 USD
Verified 17 days ago
Extremely Rare Availability
4% of dates checked are available within 10% of the lowest price

Friday, September 18th, 2026

7 round-trip options

Returning
Thu, Sep 24, 2026•6 Day Trip
$1,174 USD
Google Flights
Returning
Fri, Sep 25, 2026•7 Day Trip
$1,039 USD
Google Flights
Returning
Sun, Sep 27, 2026•9 Day Trip
$1,039 USD
Google Flights
Returning
Mon, Sep 28, 2026•10 Day Trip
$1,054 USD
Google Flights
Returning
Tue, Sep 29, 2026•11 Day Trip
$989 USD
Google Flights
Returning
Wed, Sep 30, 2026•12 Day Trip
$1,107 USD
Google Flights
Returning
Thu, Oct 1, 2026•13 Day Trip
$1,107 USD
Google Flights