Portland (PDX) to Lisbon (LIS) flight deal in economy from $745
$970 USD
-23%$745 USD
Verified about 7 hours agoAugust 2026
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Fair Availability
30% of dates checked are available within 10% of the lowest price
Sunday, August 2nd, 2026
6 round-trip options
Returning
Fri, Aug 7, 2026•5 Day Trip
$1,587 USD
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Sat, Aug 8, 2026•6 Day Trip
$1,512 USD
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Tue, Aug 11, 2026•9 Day Trip
$1,148 USD
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Wed, Aug 12, 2026•10 Day Trip
$1,140 USD
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Thu, Aug 13, 2026•11 Day Trip
$1,140 USD
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Fri, Aug 14, 2026•12 Day Trip
$1,140 USD