Portland (PDX) to Porto (OPO) flight deal in economy from $794

Saturday, August 1st, 2026

10 round-trip options

Returning
Thu, Aug 6, 20265 Day Trip
$2,550 USD
Returning
Fri, Aug 7, 20266 Day Trip
$1,593 USD
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Sat, Aug 8, 20267 Day Trip
$1,445 USD
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Sun, Aug 9, 20268 Day Trip
$1,217 USD
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Mon, Aug 10, 20269 Day Trip
$1,224 USD
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Tue, Aug 11, 202610 Day Trip
$1,137 USD
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Wed, Aug 12, 202611 Day Trip
$1,137 USD
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Thu, Aug 13, 202612 Day Trip
$1,137 USD
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Fri, Aug 14, 202613 Day Trip
$1,154 USD
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Sat, Aug 15, 202614 Day Trip
$1,462 USD