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 15 hours agoAugust 2026
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Good Availability
42% of dates checked are available within 10% of the lowest price
Friday, August 21st, 2026
5 round-trip options
Returning
Thu, Aug 27, 2026•6 Day Trip
$1,344 USD
Returning
Sat, Aug 29, 2026•8 Day Trip
$1,060 USD
Returning
Mon, Aug 31, 2026•10 Day Trip
$2,159 USD
Returning
Tue, Sep 1, 2026•11 Day Trip
$1,513 USD
Returning
Wed, Sep 2, 2026•12 Day Trip
$1,772 USD