Portland (PDX) to Lisbon (LIS) flight deal in economy from $745
$970 USD
-23%$745 USD
Verified about 7 hours agoSeptember 2026
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Fair Availability
30% of dates checked are available within 10% of the lowest price
Sunday, September 27th, 2026
6 round-trip options
Returning
Fri, Oct 2, 2026•5 Day Trip
$897 USD
Returning
Sat, Oct 3, 2026•6 Day Trip
$957 USD
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Tue, Oct 6, 2026•9 Day Trip
$809 USD
Returning
Wed, Oct 7, 2026•10 Day Trip
$809 USD
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Thu, Oct 8, 2026•11 Day Trip
$809 USD
Returning
Fri, Oct 9, 2026•12 Day Trip
$809 USD