Portland (PDX) to Lisbon (LIS) flight deal in economy from $745
$970 USD
-23%$745 USD
Verified about 5 hours agoNovember 2026
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Fair Availability
30% of dates checked are available within 10% of the lowest price
Saturday, November 28th, 2026
7 round-trip options
Returning
Thu, Dec 3, 2026•5 Day Trip
$799 USD
Returning
Fri, Dec 4, 2026•6 Day Trip
$799 USD
Returning
Sun, Dec 6, 2026•8 Day Trip
$806 USD
Returning
Mon, Dec 7, 2026•9 Day Trip
$760 USD
Returning
Thu, Dec 10, 2026•12 Day Trip
$760 USD
Returning
Fri, Dec 11, 2026•13 Day Trip
$778 USD
Returning
Sat, Dec 12, 2026•14 Day Trip
$832 USD