Portland (PDX) to Lisbon (LIS) flight deal in economy from $745
$970 USD
-23%$745 USD
Verified about 4 hours agoOctober 2026
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Fair Availability
30% of dates checked are available within 10% of the lowest price
Friday, October 2nd, 2026
7 round-trip options
Returning
Wed, Oct 7, 2026•5 Day Trip
$947 USD
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Thu, Oct 8, 2026•6 Day Trip
$951 USD
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Sat, Oct 10, 2026•8 Day Trip
$940 USD
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Sun, Oct 11, 2026•9 Day Trip
$948 USD
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Wed, Oct 14, 2026•12 Day Trip
$912 USD
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Thu, Oct 15, 2026•13 Day Trip
$876 USD
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Fri, Oct 16, 2026•14 Day Trip
$916 USD