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

Saturday, November 7th, 2026

9 round-trip options

Returning
Thu, Nov 12, 20265 Day Trip
$835 USD
Returning
Fri, Nov 13, 20266 Day Trip
$835 USD
Returning
Sat, Nov 14, 20267 Day Trip
$825 USD
Returning
Sun, Nov 15, 20268 Day Trip
$805 USD
Returning
Tue, Nov 17, 202610 Day Trip
$792 USD
Returning
Wed, Nov 18, 202611 Day Trip
$792 USD
Returning
Thu, Nov 19, 202612 Day Trip
$792 USD
Returning
Fri, Nov 20, 202613 Day Trip
$755 USD
Returning
Sat, Nov 21, 202614 Day Trip
$805 USD