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

Monday, January 4th, 2027

6 round-trip options

Returning
Sun, Jan 10, 20276 Day Trip
$892 USD
Returning
Tue, Jan 12, 20278 Day Trip
$788 USD
Returning
Wed, Jan 13, 20279 Day Trip
$788 USD
Returning
Fri, Jan 15, 202711 Day Trip
$788 USD
Returning
Sun, Jan 17, 202713 Day Trip
$838 USD
Returning
Mon, Jan 18, 202714 Day Trip
$798 USD