Cheap flights from Washington to Lisbon

View AU$711 flight on Sat, 2 Aug. 2025Opens in a new window

Popular airlines from Washington to Lisbon

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Cheap Flights from Washington (WAS) to Lisbon (LIS)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Sun, 24 Aug. - Sat, 30 Aug.
IAD
Washington
LIS
Lisbon
AU$1,005 Return, found 6 days ago
AU$1,005
Return
found 6 days ago
Select TAP Portugal flight, departing Sun, 24 Aug. from Washington to Lisbon, returning Sat, 30 Aug., priced at AU$1,005 found 6 days ago
Turkish Airlines
Thu, 21 Aug. - Wed, 3 Sep.
IAD
Washington
LIS
Lisbon
AU$1,007 Return, found 6 days ago
AU$1,007
Return
found 6 days ago
Select Turkish Airlines flight, departing Thu, 21 Aug. from Washington to Lisbon, returning Wed, 3 Sep., priced at AU$1,007 found 6 days ago
Aer Lingus
Mon, 1 Sep. - Mon, 8 Sep.
IAD
Washington
LIS
Lisbon
AU$1,145 Return, found 3 days ago
AU$1,145
Return
found 3 days ago
Select Aer Lingus flight, departing Mon, 1 Sep. from Washington to Lisbon, returning Mon, 8 Sep., priced at AU$1,145 found 3 days ago
United
Mon, 1 Sep. - Mon, 8 Sep.
IAD
Washington
LIS
Lisbon
AU$1,447 Return, found 3 days ago
AU$1,447
Return
found 3 days ago
Select United flight, departing Mon, 1 Sep. from Washington to Lisbon, returning Mon, 8 Sep., priced at AU$1,447 found 3 days ago
Virgin Atlantic
Mon, 1 Sep. - Mon, 8 Sep.
DCA
Washington
LIS
Lisbon
AU$1,466 Return, found 3 days ago
AU$1,466
Return
found 3 days ago
Select Virgin Atlantic flight, departing Mon, 1 Sep. from Washington to Lisbon, returning Mon, 8 Sep., priced at AU$1,466 found 3 days ago
Virgin Atlantic
Mon, 1 Sep. - Mon, 8 Sep.
DCA
Washington
LIS
Lisbon
AU$1,466 Return, found 3 days ago
AU$1,466
Return
found 3 days ago
Select Virgin Atlantic flight, departing Mon, 1 Sep. from Washington to Lisbon, returning Mon, 8 Sep., priced at AU$1,466 found 3 days ago

Find the cheapest month to fly from Washington (WAS) to Lisbon (LIS)

November is typically the cheapest month to fly

From AU$588 - AU$1,448 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.