Portland (PDX) to Singapore (SIN) flight deal in economy from $926
PDXPortland International Airport
Portland, United States
SINSingapore Changi Airport
Singapore, Singapore
$1,221 USD
-24%$926 USD
Verified about 12 hours agoAugust 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Good Availability
42% of dates checked are available within 10% of the lowest price
Monday, August 17th, 2026
5 round-trip options
Returning
Sun, Aug 23, 2026•6 Day Trip
$1,069 USD
Returning
Tue, Aug 25, 2026•8 Day Trip
$1,014 USD
Returning
Thu, Aug 27, 2026•10 Day Trip
$1,081 USD
Returning
Fri, Aug 28, 2026•11 Day Trip
$2,211 USD
Returning
Sat, Aug 29, 2026•12 Day Trip
$1,069 USD