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

Friday, July 10th, 2026

6 round-trip options

Returning
Wed, Jul 15, 20265 Day Trip
$1,580 USD
Returning
Fri, Jul 17, 20267 Day Trip
$1,580 USD
Returning
Sat, Jul 18, 20268 Day Trip
$1,650 USD
Returning
Mon, Jul 20, 202610 Day Trip
$1,302 USD
Returning
Thu, Jul 23, 202613 Day Trip
$1,324 USD
Returning
Fri, Jul 24, 202614 Day Trip
$1,232 USD