PDXPortland International Airport
Portland, United States
SINSingapore Changi Airport
Singapore, Singapore
$1,046 USD
-31%$718 USD
Verified about 1 hour agoAugust 2025
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Fair Availability
36% of dates checked are available within 10% of the lowest price
Friday, August 1st, 2025
10 round-trip options
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Wed, Aug 6, 2025•5 Day Trip
$1,995 USD
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Thu, Aug 7, 2025•6 Day Trip
$1,783 USD
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Fri, Aug 8, 2025•7 Day Trip
$2,000 USD
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Sat, Aug 9, 2025•8 Day Trip
$1,527 USD
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Sun, Aug 10, 2025•9 Day Trip
$1,527 USD
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Mon, Aug 11, 2025•10 Day Trip
$1,575 USD
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Tue, Aug 12, 2025•11 Day Trip
$1,331 USD
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Wed, Aug 13, 2025•12 Day Trip
$1,793 USD
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Thu, Aug 14, 2025•13 Day Trip
$1,505 USD
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Fri, Aug 15, 2025•14 Day Trip
$2,710 USD