$529 Cheap United flights Washington (DCA) to Lisbon (LIS)

View $529 flight on Wed, Oct 29, 2025Opens in a new window

$529 Cheap United flights Washington (DCA) to Lisbon (LIS)

Prices were available within the past 7 days and start at $529 for one-way flights and $696 for roundtrip, for the period specified. Prices and availability are subject to change. Additional terms apply.
United
Tue, Dec 9 - Wed, Dec 17
DCA
Washington
LIS
Lisbon
$696
Roundtrip
Found 1 day ago
Select United flight, departing Tue, Dec 9 from Washington to Lisbon, returning Wed, Dec 17, priced at $696 Found 1 day ago
United
Tue, Dec 9 - Wed, Dec 17
DCA
Washington
LIS
Lisbon
$700
Roundtrip
Found 1 day ago
Select United flight, departing Tue, Dec 9 from Washington to Lisbon, returning Wed, Dec 17, priced at $700 Found 1 day ago
United
Tue, Dec 9 - Wed, Dec 17
DCA
Washington
LIS
Lisbon
$716
Roundtrip
Found 1 day ago
Select United flight, departing Tue, Dec 9 from Washington to Lisbon, returning Wed, Dec 17, priced at $716 Found 1 day ago
United
Tue, Dec 9 - Wed, Dec 17
DCA
Washington
LIS
Lisbon
$719
Roundtrip
Found 1 day ago
Select United flight, departing Tue, Dec 9 from Washington to Lisbon, returning Wed, Dec 17, priced at $719 Found 1 day ago
United
Tue, Dec 9 - Wed, Dec 17
DCA
Washington
LIS
Lisbon
$720
Roundtrip
Found 1 day ago
Select United flight, departing Tue, Dec 9 from Washington to Lisbon, returning Wed, Dec 17, priced at $720 Found 1 day ago
United
Wed, Oct 29 - Fri, Nov 7
DCA
Washington
LIS
Lisbon
$726
Roundtrip
Found 1 day ago
Select United flight, departing Wed, Oct 29 from Washington to Lisbon, returning Fri, Nov 7, priced at $726 Found 1 day ago
United
Tue, Dec 9 - Wed, Dec 17
DCA
Washington
LIS
Lisbon
$730
Roundtrip
Found 1 day ago
Select United flight, departing Tue, Dec 9 from Washington to Lisbon, returning Wed, Dec 17, priced at $730 Found 1 day ago
United
Wed, Oct 29 - Fri, Nov 7
DCA
Washington
LIS
Lisbon
$810
Roundtrip
Found 1 day ago
Select United flight, departing Wed, Oct 29 from Washington to Lisbon, returning Fri, Nov 7, priced at $810 Found 1 day ago
Flights from Washington (DCA) to Lisbon (LIS)
Origin airport
Ronald Reagan Washington National
Destination airport
Humberto Delgado
Distance
5704 km