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 9 hours agoAugust 2026
Mon
Tue
Wed
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Sun
Good Availability
42% of dates checked are available within 10% of the lowest price
Tuesday, August 4th, 2026
5 round-trip options
Returning
Mon, Aug 10, 2026•6 Day Trip
$1,826 USD
Returning
Wed, Aug 12, 2026•8 Day Trip
$1,826 USD
Returning
Fri, Aug 14, 2026•10 Day Trip
$1,868 USD
Returning
Sat, Aug 15, 2026•11 Day Trip
$1,201 USD
Returning
Sun, Aug 16, 2026•12 Day Trip
$1,021 USD