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

Sunday, July 19th, 2026

6 round-trip options

Returning
Fri, Jul 24, 20265 Day Trip
$1,587 USD
Returning
Sun, Jul 26, 20267 Day Trip
$1,217 USD
Returning
Mon, Jul 27, 20268 Day Trip
$1,156 USD
Returning
Wed, Jul 29, 202610 Day Trip
$1,156 USD
Returning
Sat, Aug 1, 202613 Day Trip
$1,226 USD
Returning
Sun, Aug 2, 202614 Day Trip
$1,226 USD