Portland (PDX) to Lisbon (LIS) flight deal in economy from $745

Thursday, July 23rd, 2026

6 round-trip options

Returning
Tue, Jul 28, 20265 Day Trip
$1,216 USD
Returning
Thu, Jul 30, 20267 Day Trip
$1,224 USD
Returning
Fri, Jul 31, 20268 Day Trip
$1,224 USD
Returning
Sun, Aug 2, 202610 Day Trip
$1,286 USD
Returning
Wed, Aug 5, 202613 Day Trip
$1,207 USD
Returning
Thu, Aug 6, 202614 Day Trip
$1,216 USD