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 agoDecember 2026
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Limited Availability
15% of dates checked are available within 10% of the lowest price
Sunday, December 27th, 2026
9 round-trip options
Returning
Fri, Jan 1, 2027•5 Day Trip
$1,035 USD
Returning
Sat, Jan 2, 2027•6 Day Trip
$1,316 USD
Returning
Sun, Jan 3, 2027•7 Day Trip
$1,280 USD
Returning
Mon, Jan 4, 2027•8 Day Trip
$1,089 USD
Returning
Wed, Jan 6, 2027•10 Day Trip
$847 USD
Returning
Thu, Jan 7, 2027•11 Day Trip
$847 USD
Returning
Fri, Jan 8, 2027•12 Day Trip
$847 USD
Returning
Sat, Jan 9, 2027•13 Day Trip
$934 USD
Returning
Sun, Jan 10, 2027•14 Day Trip
$907 USD