Compare Washington, D.C. to Portugal flight deals starting at $1,361

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Find flights from Washington, D.C. (IAD) to Portugal

Washington, D.C. (IAD) to Lisbon (LIS)

Depart Mon 17 Sep 2018,
Return Tue 2 Oct 2018
from$ 1,361*Viewed: 57 minutes 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 Washington, D.C. to Portugal

from
to
Type
Dates
Price*
Washington, D.C. (IAD)
to Lisbon (LIS)
Roundtrip
Depart Mon 17 Sep 2018
Return Tue 2 Oct 2018
from$ 1,361*Viewed: 57 minutes 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.