Portland (PDX) to Singapore (SIN) flight deal in economy from $891
PDXPortland International Airport
Portland, United States
SINSingapore Changi Airport
Singapore, Singapore
$1,247 USD
-29%$891 USD
Verified 4 days agoDecember 2026
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Fair Availability
36% of dates checked are available within 10% of the lowest price
Tuesday, December 15th, 2026
10 round-trip options
Returning
Sun, Dec 20, 2026•5 Day Trip
$2,326 USD
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Mon, Dec 21, 2026•6 Day Trip
$2,156 USD
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Tue, Dec 22, 2026•7 Day Trip
$2,339 USD
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Wed, Dec 23, 2026•8 Day Trip
$2,059 USD
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Thu, Dec 24, 2026•9 Day Trip
$2,103 USD
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Fri, Dec 25, 2026•10 Day Trip
$2,051 USD
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Sat, Dec 26, 2026•11 Day Trip
$2,110 USD
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Sun, Dec 27, 2026•12 Day Trip
$2,051 USD
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Mon, Dec 28, 2026•13 Day Trip
$2,146 USD
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Tue, Dec 29, 2026•14 Day Trip
$2,146 USD