Portland (PDX) to Singapore (SIN) flight deal in economy from $1,146

United AirlinesUAUnited Airlines
Round Trip•Economy
United StatesPDX

Portland International Airport

Portland, United States
SingaporeSIN

Singapore Changi Airport

Singapore, Singapore
$1,336 USD
-14%$1,146 USD
Verified about 9 hours ago
Great Availability
67% of dates checked are available within 10% of the lowest price

Tuesday, July 28th, 2026

5 round-trip options

Returning
Sun, Aug 2, 2026•5 Day Trip
$2,181 USD
Google Flights
Returning
Mon, Aug 3, 2026•6 Day Trip
$2,193 USD
Google Flights
Returning
Tue, Aug 4, 2026•7 Day Trip
$1,515 USD
Google Flights
Returning
Mon, Aug 10, 2026•13 Day Trip
$1,515 USD
Google Flights
Returning
Tue, Aug 11, 2026•14 Day Trip
$1,515 USD
Google Flights