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
Tuesday, October 13th, 2026
7 round-trip options
Returning
Sun, Oct 18, 2026•5 Day Trip
$839 USD
Returning
Mon, Oct 19, 2026•6 Day Trip
$779 USD
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Wed, Oct 21, 2026•8 Day Trip
$779 USD
Returning
Thu, Oct 22, 2026•9 Day Trip
$779 USD
Returning
Sun, Oct 25, 2026•12 Day Trip
$839 USD
Returning
Mon, Oct 26, 2026•13 Day Trip
$873 USD
Returning
Tue, Oct 27, 2026•14 Day Trip
$794 USD