Portland (PDX) to Singapore (SIN) flight deal in economy from $464
PDXPortland International Airport
Portland, United States
SINSingapore Changi Airport
Singapore, Singapore
$639 USD
-27%$464 USD
Verified about 10 hours agoJanuary 2027
Mon
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Good Availability
58% of dates checked are available within 10% of the lowest price
Sunday, January 31st, 2027
Outbound Flights
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