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

Sunday, July 5th, 2026

6 round-trip options

Returning
Fri, Jul 10, 20265 Day Trip
$1,587 USD
Returning
Sun, Jul 12, 20267 Day Trip
$1,217 USD
Returning
Mon, Jul 13, 20268 Day Trip
$1,147 USD
Returning
Wed, Jul 15, 202610 Day Trip
$1,147 USD
Returning
Sat, Jul 18, 202613 Day Trip
$1,217 USD
Returning
Sun, Jul 19, 202614 Day Trip
$1,217 USD