Seattle / Tacoma (SEA) to Lisbon (LIS) flight deal in economy from $740
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
LISPortela Airport
Lisbon, Portugal
$948 USD
-22%$740 USD
Verified about 7 hours agoNovember 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Limited Availability
15% of dates checked are available within 10% of the lowest price
Saturday, November 7th, 2026
9 round-trip options
Returning
Thu, Nov 12, 2026•5 Day Trip
$835 USD
Returning
Fri, Nov 13, 2026•6 Day Trip
$835 USD
Returning
Sat, Nov 14, 2026•7 Day Trip
$825 USD
Returning
Sun, Nov 15, 2026•8 Day Trip
$805 USD
Returning
Tue, Nov 17, 2026•10 Day Trip
$792 USD
Returning
Wed, Nov 18, 2026•11 Day Trip
$792 USD
Returning
Thu, Nov 19, 2026•12 Day Trip
$792 USD
Returning
Fri, Nov 20, 2026•13 Day Trip
$755 USD
Returning
Sat, Nov 21, 2026•14 Day Trip
$805 USD