Portland (PDX) to Singapore (SIN) flight deal in economy from $1,146
PDXPortland International Airport
Portland, United States
SINSingapore Changi Airport
Singapore, Singapore
$1,336 USD
-14%$1,146 USD
Verified about 9 hours agoAugust 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
27$1,51528$1,51529$1,51530$1,51531$1,5151$1,3072$1,3563$1,1464$1,1465$1,1466$1,1467$1,1468$1,1529$1,37910$1,14611$1,14612$1,14613$1,14614$1,15815$1,19016$1,14617$1,14618$1,14619$1,14620$1,14621$1,14622$1,14623$1,14624$1,14625$1,14626$1,14627$1,14628$1,14629$1,14630$1,14631$1,1461$1,1462$1,1463$1,1464$1,1465$1,1466$1,146
Great Availability
67% of dates checked are available within 10% of the lowest price
Tuesday, August 11th, 2026
5 round-trip options
Returning
Sun, Aug 16, 2026•5 Day Trip
$1,361 USD
Returning
Mon, Aug 17, 2026•6 Day Trip
$1,208 USD
Returning
Tue, Aug 18, 2026•7 Day Trip
$1,146 USD
Returning
Mon, Aug 24, 2026•13 Day Trip
$1,146 USD
Returning
Tue, Aug 25, 2026•14 Day Trip
$1,146 USD