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 10 hours agoOctober 2026
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Limited Availability
15% of dates checked are available within 10% of the lowest price
Saturday, October 10th, 2026
10 round-trip options
Returning
Thu, Oct 15, 2026•5 Day Trip
$916 USD
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Fri, Oct 16, 2026•6 Day Trip
$916 USD
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Sat, Oct 17, 2026•7 Day Trip
$883 USD
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Sun, Oct 18, 2026•8 Day Trip
$863 USD
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Mon, Oct 19, 2026•9 Day Trip
$854 USD
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Tue, Oct 20, 2026•10 Day Trip
$864 USD
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Wed, Oct 21, 2026•11 Day Trip
$864 USD
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Thu, Oct 22, 2026•12 Day Trip
$864 USD
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Fri, Oct 23, 2026•13 Day Trip
$867 USD
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Sat, Oct 24, 2026•14 Day Trip
$927 USD