$750 Cheap Delta flights Washington (IAD) to Lisbon (LIS)

View $750 flight on Fri, Mar 13, 2026Opens in a new window

$750 Cheap Delta flights Washington (IAD) to Lisbon (LIS)

Prices were available within the past 7 days and start at $750 for one-way flights and $1,012 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Mar 13 - Thu, Mar 19
IAD
Washington
LIS
Lisbon
$1,012 Roundtrip, found 6 days ago
$1,012
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, Mar 13 from Washington to Lisbon, returning Thu, Mar 19, priced at $1,012 found 6 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, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United
Popular airline
KLM
Distance
5732 km
Average flight time
12 hours 18 mins