Seattle / Tacoma (SEA) to Lisbon (LIS) flight deal in economy from $740

Saturday, January 9th, 2027

8 round-trip options

Returning
Fri, Jan 15, 20276 Day Trip
$837 USD
Returning
Sat, Jan 16, 20277 Day Trip
$886 USD
Returning
Sun, Jan 17, 20278 Day Trip
$886 USD
Returning
Mon, Jan 18, 20279 Day Trip
$886 USD
Returning
Tue, Jan 19, 202710 Day Trip
$836 USD
Returning
Wed, Jan 20, 202711 Day Trip
$836 USD
Returning
Fri, Jan 22, 202713 Day Trip
$836 USD
Returning
Sat, Jan 23, 202714 Day Trip
$886 USD