Portland (PDX) to Lisbon (LIS) flight deal in economy from $745
$970 USD
-23%$745 USD
Verified about 4 hours agoOctober 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Fair Availability
30% of dates checked are available within 10% of the lowest price
Sunday, October 18th, 2026
7 round-trip options
Returning
Fri, Oct 23, 2026•5 Day Trip
$836 USD
Returning
Sat, Oct 24, 2026•6 Day Trip
$839 USD
Returning
Mon, Oct 26, 2026•8 Day Trip
$873 USD
Returning
Tue, Oct 27, 2026•9 Day Trip
$794 USD
Returning
Fri, Oct 30, 2026•12 Day Trip
$788 USD
Returning
Sat, Oct 31, 2026•13 Day Trip
$808 USD
Returning
Sun, Nov 1, 2026•14 Day Trip
$808 USD