Lisbon (LIS) to Washington (IAD) cheap flight deal from $3614 USD in first class – flightdeals.net

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American Airlines

AAAmerican Airlines

British Airways

BABritish Airways

Round Trip•First Class

Portela Airport

Lisbon, Portugal

Washington Dulles International Airport

Washington, United States

$7,354 USD

-51%$3,614 USD

Verified about 2 hours ago

February 2025

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52% of dates checked are available within 10% of the lowest price

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