Portland (PDX) to Singapore (SIN) flight deal in economy from $891
PDXPortland International Airport
Portland, United States
SINSingapore Changi Airport
Singapore, Singapore
$1,229 USD
-28%$891 USD
Verified about 4 hours agoAugust 2026
Mon
Tue
Wed
Thu
Fri
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Sun
Good Availability
44% of dates checked are available within 10% of the lowest price
Sunday, August 2nd, 2026
2 round-trip options
Returning
Mon, Aug 10, 2026•8 Day Trip
$1,229 USD
Returning
Sun, Aug 16, 2026•14 Day Trip
$1,366 USD