Portland (PDX) to Lisbon (LIS) flight deal in economy from $745
$970 USD
-23%$745 USD
Verified about 7 hours agoNovember 2026
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Fair Availability
30% of dates checked are available within 10% of the lowest price
Wednesday, November 18th, 2026
7 round-trip options
Returning
Mon, Nov 23, 2026•5 Day Trip
$795 USD
Returning
Tue, Nov 24, 2026•6 Day Trip
$745 USD
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Thu, Nov 26, 2026•8 Day Trip
$749 USD
Returning
Fri, Nov 27, 2026•9 Day Trip
$842 USD
Returning
Mon, Nov 30, 2026•12 Day Trip
$785 USD
Returning
Tue, Dec 1, 2026•13 Day Trip
$788 USD
Returning
Wed, Dec 2, 2026•14 Day Trip
$758 USD