Flights from Washington to Lisbon District

Cheapest flights from Washington

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Nov 13 - Wed, Dec 3

IAD

Washington Dulles Intl.

LIS

Humberto Delgado

$529 Roundtrip, found 6 days ago

$529

Roundtrip

found 6 days ago

Select Scandinavian Airlines flight, departing Thu, Nov 13 from Washington Dulles Intl. to Humberto Delgado, returning Wed, Dec 3, priced at $529 found 6 days ago

Sun, Sep 28 - Thu, Oct 9

IAD

Washington Dulles Intl.

LIS

Humberto Delgado

$635 Roundtrip, found 7 hours ago

$635

Roundtrip

found 7 hours ago

Select Royal Air Maroc flight, departing Sun, Sep 28 from Washington Dulles Intl. to Humberto Delgado, returning Thu, Oct 9, priced at $635 found 7 hours ago

Sat, Sep 27 - Sun, Oct 5

IAD

Washington Dulles Intl.

LIS

Humberto Delgado

$640 Roundtrip, found 7 hours ago

$640

Roundtrip

found 7 hours ago

Select TAP Portugal flight, departing Sat, Sep 27 from Washington Dulles Intl. to Humberto Delgado, returning Sun, Oct 5, priced at $640 found 7 hours ago

Thu, Oct 2 - Thu, Oct 9

IAD

Washington Dulles Intl.

LIS

Humberto Delgado

$651 Roundtrip, found 2 days ago

$651

Roundtrip

found 2 days ago

Select Turkish Airlines flight, departing Thu, Oct 2 from Washington Dulles Intl. to Humberto Delgado, returning Thu, Oct 9, priced at $651 found 2 days ago

Sat, Dec 13 - Thu, Jan 8

IAD

Washington Dulles Intl.

LIS

Humberto Delgado

$671 Roundtrip, found 1 day ago

$671

Roundtrip

found 1 day ago

Select Icelandair flight, departing Sat, Dec 13 from Washington Dulles Intl. to Humberto Delgado, returning Thu, Jan 8, priced at $671 found 1 day ago

Fri, Nov 14 - Fri, Dec 5

IAD

Washington Dulles Intl.

LIS

Humberto Delgado

$733 Roundtrip, found 14 hours ago

$733

Roundtrip

found 14 hours ago

Select United flight, departing Fri, Nov 14 from Washington Dulles Intl. to Humberto Delgado, returning Fri, Dec 5, priced at $733 found 14 hours ago

Sat, Sep 6 - Sun, Sep 28

BWI

Baltimore Washington Intl. Thurgood Marshall

LIS

Humberto Delgado

$738 Roundtrip, found 14 hours ago

$738

Roundtrip

found 14 hours ago

Select Icelandair flight, departing Sat, Sep 6 from Baltimore Washington Intl. Thurgood Marshall to Humberto Delgado, returning Sun, Sep 28, priced at $738 found 14 hours ago

Fri, Nov 14 - Fri, Dec 5

IAD

Washington Dulles Intl.

LIS

Humberto Delgado

$755 Roundtrip, found 14 hours ago

$755

Roundtrip

found 14 hours ago

Select Delta flight, departing Fri, Nov 14 from Washington Dulles Intl. to Humberto Delgado, returning Fri, Dec 5, priced at $755 found 14 hours ago

Fri, Nov 14 - Wed, Dec 3

IAD

Washington Dulles Intl.

LIS

Humberto Delgado

$759 Roundtrip, found 2 days ago

$759

Roundtrip

found 2 days ago

Select American Airlines flight, departing Fri, Nov 14 from Washington Dulles Intl. to Humberto Delgado, returning Wed, Dec 3, priced at $759 found 2 days ago

Tue, Sep 30 - Wed, Oct 8

IAD

Washington Dulles Intl.

LIS

Humberto Delgado

$759 Roundtrip, found 7 hours ago

$759

Roundtrip

found 7 hours ago

Select British Airways flight, departing Tue, Sep 30 from Washington Dulles Intl. to Humberto Delgado, returning Wed, Oct 8, priced at $759 found 7 hours ago

Tue, Sep 30 - Thu, Oct 9

IAD

Washington Dulles Intl.

LIS

Humberto Delgado

$771 Roundtrip, found 2 days ago

$771

Roundtrip

found 2 days ago

Select Swiss International Air Lines flight, departing Tue, Sep 30 from Washington Dulles Intl. to Humberto Delgado, returning Thu, Oct 9, priced at $771 found 2 days ago

Sun, Dec 14 - Sat, Jan 10

DCA

Ronald Reagan Washington National

LIS

Humberto Delgado

$785 Roundtrip, found 1 day ago

$785

Roundtrip

found 1 day ago

Select Virgin Atlantic flight, departing Sun, Dec 14 from Ronald Reagan Washington National to Humberto Delgado, returning Sat, Jan 10, priced at $785 found 1 day ago

Fri, Nov 14 - Fri, Dec 5

IAD

Washington Dulles Intl.

LIS

Humberto Delgado

$785 Roundtrip, found 14 hours ago

$785

Roundtrip

found 14 hours ago

Select Lufthansa flight, departing Fri, Nov 14 from Washington Dulles Intl. to Humberto Delgado, returning Fri, Dec 5, priced at $785 found 14 hours ago

Tue, Sep 30 - Wed, Oct 8

IAD

Washington Dulles Intl.

LIS

Humberto Delgado

$832 Roundtrip, found 7 hours ago

$832

Roundtrip

found 7 hours ago

Select Air France flight, departing Tue, Sep 30 from Washington Dulles Intl. to Humberto Delgado, returning Wed, Oct 8, priced at $832 found 7 hours ago

Fri, Nov 14 - Fri, Dec 5

IAD

Washington Dulles Intl.

LIS

Humberto Delgado

$862 Roundtrip, found 14 hours ago

$862

Roundtrip

found 14 hours ago

Select KLM flight, departing Fri, Nov 14 from Washington Dulles Intl. to Humberto Delgado, returning Fri, Dec 5, priced at $862 found 14 hours ago

Wed, Sep 3 - Wed, Sep 24

DCA

Ronald Reagan Washington National

LIS

Humberto Delgado

$890 Roundtrip, found 6 days ago

$890

Roundtrip

found 6 days ago

Select Air Canada flight, departing Wed, Sep 3 from Ronald Reagan Washington National to Humberto Delgado, returning Wed, Sep 24, priced at $890 found 6 days ago

Tue, Sep 30 - Wed, Oct 8

IAD

Washington Dulles Intl.

LIS

Humberto Delgado

$967 Roundtrip, found 7 hours ago

$967

Roundtrip

found 7 hours ago

Select Finnair flight, departing Tue, Sep 30 from Washington Dulles Intl. to Humberto Delgado, returning Wed, Oct 8, priced at $967 found 7 hours ago

Fri, Nov 14 - Fri, Dec 5

IAD

Washington Dulles Intl.

LIS

Humberto Delgado

$967 Roundtrip, found 14 hours ago

$967

Roundtrip

found 14 hours ago

Select Aer Lingus flight, departing Fri, Nov 14 from Washington Dulles Intl. to Humberto Delgado, returning Fri, Dec 5, priced at $967 found 14 hours ago

Tue, Sep 30 - Wed, Oct 8

IAD

Washington Dulles Intl.

LIS

Humberto Delgado

$987 Roundtrip, found 7 hours ago

$987

Roundtrip

found 7 hours ago

Select Iberia flight, departing Tue, Sep 30 from Washington Dulles Intl. to Humberto Delgado, returning Wed, Oct 8, priced at $987 found 7 hours ago

Tue, Sep 30 - Wed, Oct 8

IAD

Washington Dulles Intl.

LIS

Humberto Delgado

$1,024 Roundtrip, found 7 hours ago

$1,024

Roundtrip

found 7 hours ago

Select Brussels Airlines flight, departing Tue, Sep 30 from Washington Dulles Intl. to Humberto Delgado, returning Wed, Oct 8, priced at $1,024 found 7 hours ago