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
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Good Availability
42% of dates checked are available within 10% of the lowest price
Monday, August 10th, 2026
5 round-trip options
Returning
Sun, Aug 16, 2026•6 Day Trip
$1,064 USD
Returning
Tue, Aug 18, 2026•8 Day Trip
$1,032 USD
Returning
Thu, Aug 20, 2026•10 Day Trip
$1,032 USD
Returning
Fri, Aug 21, 2026•11 Day Trip
$2,211 USD
Returning
Sat, Aug 22, 2026•12 Day Trip
$1,069 USD