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

Saturday, January 2nd, 2027

6 round-trip options

Returning
Fri, Jan 8, 20276 Day Trip
$979 USD
Returning
Sun, Jan 10, 20278 Day Trip
$1,013 USD
Returning
Mon, Jan 11, 20279 Day Trip
$918 USD
Returning
Wed, Jan 13, 202711 Day Trip
$909 USD
Returning
Fri, Jan 15, 202713 Day Trip
$909 USD
Returning
Sat, Jan 16, 202714 Day Trip
$959 USD