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
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Limited Availability
15% of dates checked are available within 10% of the lowest price
Saturday, November 21st, 2026
9 round-trip options
Returning
Thu, Nov 26, 2026•5 Day Trip
$883 USD
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Fri, Nov 27, 2026•6 Day Trip
$883 USD
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Sat, Nov 28, 2026•7 Day Trip
$887 USD
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Sun, Nov 29, 2026•8 Day Trip
$876 USD
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Tue, Dec 1, 2026•10 Day Trip
$816 USD
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Wed, Dec 2, 2026•11 Day Trip
$805 USD
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Thu, Dec 3, 2026•12 Day Trip
$785 USD
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Fri, Dec 4, 2026•13 Day Trip
$832 USD
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Sat, Dec 5, 2026•14 Day Trip
$882 USD