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

Wednesday, July 22nd, 2026

6 round-trip options

Returning
Mon, Jul 27, 20265 Day Trip
$1,156 USD
Returning
Wed, Jul 29, 20267 Day Trip
$1,156 USD
Returning
Thu, Jul 30, 20268 Day Trip
$1,164 USD
Returning
Sat, Aug 1, 202610 Day Trip
$1,217 USD
Returning
Tue, Aug 4, 202613 Day Trip
$1,147 USD
Returning
Wed, Aug 5, 202614 Day Trip
$1,147 USD