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
Sat
Sun
Good Availability
44% of dates checked are available within 10% of the lowest price
Tuesday, August 4th, 2026
2 round-trip options
Returning
Wed, Aug 12, 2026•8 Day Trip
$1,134 USD
Returning
Tue, Aug 18, 2026•14 Day Trip
$1,126 USD