Portland (PDX) to Singapore (SIN) flight deal in economy from $424
PDXPortland International Airport
Portland, United States
SINSingapore Changi Airport
Singapore, Singapore
$853 USD
-50%$424 USD
Verified about 4 hours agoNovember 2026
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Fair Availability
23% of dates checked are available within 10% of the lowest price
Friday, November 6th, 2026
Outbound Flights
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