Portland (PDX) to Lisbon (LIS) flight deal in economy from $745
$970 USD
-23%$745 USD
Verified about 7 hours agoJuly 2026
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Fair Availability
30% of dates checked are available within 10% of the lowest price
Saturday, July 18th, 2026
6 round-trip options
Returning
Thu, Jul 23, 2026•5 Day Trip
$1,597 USD
Returning
Sat, Jul 25, 2026•7 Day Trip
$1,277 USD
Returning
Sun, Jul 26, 2026•8 Day Trip
$1,277 USD
Returning
Tue, Jul 28, 2026•10 Day Trip
$1,216 USD
Returning
Fri, Jul 31, 2026•13 Day Trip
$1,394 USD
Returning
Sat, Aug 1, 2026•14 Day Trip
$1,286 USD