$773 Cheap Delta flights Washington (IAD) to Lisbon (LIS)

View $773 flight on Mon, Sep 22, 2025Opens in a new window

$773 Cheap Delta flights Washington (IAD) to Lisbon (LIS)

Prices were available within the past 7 days and start at $773 for one-way flights and $1,204 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Sep 22 - Mon, Oct 6
IAD
Washington
LIS
Lisbon
$1,204 Roundtrip, found 3 days ago
$1,204
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Sep 22 from Washington to Lisbon, returning Mon, Oct 6, priced at $1,204 found 3 days 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, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, JetBlue Airways, KLM, Lufthansa, Royal Air Maroc, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, United
Popular airline
Royal Air Maroc
Distance
5732 km