Compare Seattle to Portugal flight deals starting at $718

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Find flights from Seattle (SEA) to Portugal

Seattle (SEA) to Lisbon (LIS)

Depart Mon 29 Oct 2018,
Return Tue 13 Nov 2018
from$ 718*Viewed: 1 hour ago
*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.
Multi-colored buildings on a hill in Portugal

Plan ahead for flights from Seattle to Portugal

from
to
Type
Dates
Price*
Seattle (SEA)
to Lisbon (LIS)
Roundtrip
Depart Mon 12 Nov 2018
Return Tue 27 Nov 2018
from$ 718*Viewed: 1 hour ago
*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.