$651 Cheap American Airlines flights Washington (IAD) to Lisbon (LIS)

View $651 flight on Thu, Sep 25, 2025Opens in a new window

$651 Cheap American Airlines flights Washington (IAD) to Lisbon (LIS)

Prices were available within the past 7 days and start at $651 for one-way flights and $869 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Sep 25 - Sun, Oct 5
IAD
Washington
LIS
Lisbon
$869 Roundtrip, found 1 day ago
$869
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Sep 25 from Washington to Lisbon, returning Sun, Oct 5, priced at $869 found 1 day ago
Flights from Washington (IAD) to Lisbon (LIS)
Origin airport
Washington Dulles Intl.
Destination airport
Humberto Delgado
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, JetBlue Airways, KLM, Lufthansa, Royal Air Maroc, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United
Popular airline
Turkish Airlines
Distance
5732 km
Average flight time
12 hours 18 mins