Lisbon (LIS) to Seattle / Tacoma (SEA) cheap flight deal from $3737 USD in first class – flightdeals.net

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About Premium Fare Deals

American Airlines

AAAmerican Airlines

British Airways

BABritish Airways

Round Trip•First Class

Portela Airport

Lisbon, Portugal

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

$8,619 USD

-57%$3,737 USD

Verified 1 day ago

February 2026

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26$3,780 27$3,745 28 29 30 31 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 1

Extremely Rare Availability

3% of dates checked are available within 10% of the lowest price

No flight details available for this date.