PDXPortland International Airport
Portland, United States
SINSingapore Changi Airport
Singapore, Singapore
$793 USD
-42%$457 USD
Verified Nov 3, 2025 at 10:04 PMNovember 2025
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Fair Availability
22% of dates checked are available within 10% of the lowest price
Friday, November 7th, 2025
Outbound Flights
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