Portland (PDX) to Lisbon (LIS) flight deal in economy from $745
$970 USD
-23%$745 USD
Verified about 6 hours agoOctober 2026
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Fair Availability
30% of dates checked are available within 10% of the lowest price
Thursday, October 15th, 2026
7 round-trip options
Returning
Tue, Oct 20, 2026•5 Day Trip
$829 USD
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Wed, Oct 21, 2026•6 Day Trip
$829 USD
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Fri, Oct 23, 2026•8 Day Trip
$829 USD
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Sat, Oct 24, 2026•9 Day Trip
$889 USD
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Tue, Oct 27, 2026•12 Day Trip
$844 USD
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Wed, Oct 28, 2026•13 Day Trip
$839 USD
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Thu, Oct 29, 2026•14 Day Trip
$843 USD