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, September 29th, 2026

6 round-trip options

Returning
Mon, Oct 5, 2026•6 Day Trip
$1,146 USD
Google Flights
Returning
Tue, Oct 6, 2026•7 Day Trip
$1,146 USD
Google Flights
Returning
Sat, Oct 10, 2026•11 Day Trip
$1,146 USD
Google Flights
Returning
Sun, Oct 11, 2026•12 Day Trip
$1,152 USD
Google Flights
Returning
Mon, Oct 12, 2026•13 Day Trip
$1,146 USD
Google Flights
Returning
Tue, Oct 13, 2026•14 Day Trip
$1,146 USD
Google Flights