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 5 hours agoOctober 2026
Mon
Tue
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Fri
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Sun
Good Availability
44% of dates checked are available within 10% of the lowest price
Sunday, October 4th, 2026
2 round-trip options
Returning
Fri, Oct 9, 2026•5 Day Trip
$958 USD
Returning
Sat, Oct 17, 2026•13 Day Trip
$1,123 USD