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.

Mon, Sep 22 - Fri, Sep 26

IAD

Washington Dulles Intl.

LIS

Humberto Delgado

$912 Roundtrip, found 1 day ago

$912

Roundtrip

found 1 day ago

Select TAP Portugal flight, departing Mon, Sep 22 from Washington Dulles Intl. to Humberto Delgado, returning Fri, Sep 26, priced at $912 found 1 day ago

Thu, Jun 26 - Mon, Jul 7

IAD

Washington Dulles Intl.

LIS

Humberto Delgado

$958 Roundtrip, found 23 hours ago

$958

Roundtrip

found 23 hours ago

Select Royal Air Maroc flight, departing Thu, Jun 26 from Washington Dulles Intl. to Humberto Delgado, returning Mon, Jul 7, priced at $958 found 23 hours ago

Mon, Sep 22 - Fri, Sep 26

IAD

Washington Dulles Intl.

LIS

Humberto Delgado

$1,147 Roundtrip, found 1 day ago

$1,147

Roundtrip

found 1 day ago

Select JetBlue Airways flight, departing Mon, Sep 22 from Washington Dulles Intl. to Humberto Delgado, returning Fri, Sep 26, priced at $1,147 found 1 day ago

Wed, Jun 25 - Sun, Jul 6

IAD

Washington Dulles Intl.

LIS

Humberto Delgado

$1,153 Roundtrip, found 23 hours ago

$1,153

Roundtrip

found 23 hours ago

Select United flight, departing Wed, Jun 25 from Washington Dulles Intl. to Humberto Delgado, returning Sun, Jul 6, priced at $1,153 found 23 hours ago

Sat, Jun 28 - Thu, Jul 10

IAD

Washington Dulles Intl.

LIS

Humberto Delgado

$1,159 Roundtrip, found 23 hours ago

$1,159

Roundtrip

found 23 hours ago

Select British Airways flight, departing Sat, Jun 28 from Washington Dulles Intl. to Humberto Delgado, returning Thu, Jul 10, priced at $1,159 found 23 hours ago

Thu, Jun 26 - Mon, Jul 7

IAD

Washington Dulles Intl.

LIS

Humberto Delgado

$1,220 Roundtrip, found 23 hours ago

$1,220

Roundtrip

found 23 hours ago

Select KLM flight, departing Thu, Jun 26 from Washington Dulles Intl. to Humberto Delgado, returning Mon, Jul 7, priced at $1,220 found 23 hours ago

Wed, Jun 25 - Sun, Jul 6

IAD

Washington Dulles Intl.

LIS

Humberto Delgado

$1,224 Roundtrip, found 23 hours ago

$1,224

Roundtrip

found 23 hours ago

Select Lufthansa flight, departing Wed, Jun 25 from Washington Dulles Intl. to Humberto Delgado, returning Sun, Jul 6, priced at $1,224 found 23 hours ago

Thu, Jun 26 - Mon, Jul 7

IAD

Washington Dulles Intl.

LIS

Humberto Delgado

$1,239 Roundtrip, found 23 hours ago

$1,239

Roundtrip

found 23 hours ago

Select Swiss International Air Lines flight, departing Thu, Jun 26 from Washington Dulles Intl. to Humberto Delgado, returning Mon, Jul 7, priced at $1,239 found 23 hours ago

Mon, Sep 22 - Fri, Sep 26

IAD

Washington Dulles Intl.

LIS

Humberto Delgado

$1,397 Roundtrip, found 1 day ago

$1,397

Roundtrip

found 1 day ago

Select Scandinavian Airlines flight, departing Mon, Sep 22 from Washington Dulles Intl. to Humberto Delgado, returning Fri, Sep 26, priced at $1,397 found 1 day ago

Mon, Sep 22 - Fri, Sep 26

IAD

Washington Dulles Intl.

LIS

Humberto Delgado

$1,404 Roundtrip, found 1 day ago

$1,404

Roundtrip

found 1 day ago

Select Aer Lingus flight, departing Mon, Sep 22 from Washington Dulles Intl. to Humberto Delgado, returning Fri, Sep 26, priced at $1,404 found 1 day ago

Wed, Jun 25 - Sun, Jul 6

IAD

Washington Dulles Intl.

LIS

Humberto Delgado

$1,527 Roundtrip, found 23 hours ago

$1,527

Roundtrip

found 23 hours ago

Select Air Canada flight, departing Wed, Jun 25 from Washington Dulles Intl. to Humberto Delgado, returning Sun, Jul 6, priced at $1,527 found 23 hours ago

Thu, Jun 26 - Mon, Jul 7

IAD

Washington Dulles Intl.

LIS

Humberto Delgado

$1,572 Roundtrip, found 23 hours ago

$1,572

Roundtrip

found 23 hours ago

Select Brussels Airlines flight, departing Thu, Jun 26 from Washington Dulles Intl. to Humberto Delgado, returning Mon, Jul 7, priced at $1,572 found 23 hours ago

Thu, Jun 26 - Mon, Jul 7

IAD

Washington Dulles Intl.

LIS

Humberto Delgado

$1,583 Roundtrip, found 23 hours ago

$1,583

Roundtrip

found 23 hours ago

Select Delta flight, departing Thu, Jun 26 from Washington Dulles Intl. to Humberto Delgado, returning Mon, Jul 7, priced at $1,583 found 23 hours ago

Wed, Jun 25 - Sun, Jul 6

IAD

Washington Dulles Intl.

LIS

Humberto Delgado

$1,738 Roundtrip, found 23 hours ago

$1,738

Roundtrip

found 23 hours ago

Select Icelandair flight, departing Wed, Jun 25 from Washington Dulles Intl. to Humberto Delgado, returning Sun, Jul 6, priced at $1,738 found 23 hours ago

Sat, Jun 7 - Sun, Jun 15

IAD

Washington Dulles Intl.

LIS

Humberto Delgado

$1,875 Roundtrip, found 6 days ago

$1,875

Roundtrip

found 6 days ago

Select American Airlines flight, departing Sat, Jun 7 from Washington Dulles Intl. to Humberto Delgado, returning Sun, Jun 15, priced at $1,875 found 6 days ago

Mon, Sep 22 - Fri, Sep 26

IAD

Washington Dulles Intl.

LIS

Humberto Delgado

$2,045 Roundtrip, found 1 day ago

$2,045

Roundtrip

found 1 day ago

Select Air France flight, departing Mon, Sep 22 from Washington Dulles Intl. to Humberto Delgado, returning Fri, Sep 26, priced at $2,045 found 1 day ago

Mon, Sep 22 - Fri, Sep 26

IAD

Washington Dulles Intl.

LIS

Humberto Delgado

$2,193 Roundtrip, found 1 day ago

$2,193

Roundtrip

found 1 day ago

Select Virgin Atlantic flight, departing Mon, Sep 22 from Washington Dulles Intl. to Humberto Delgado, returning Fri, Sep 26, priced at $2,193 found 1 day ago

Mon, Sep 22 - Fri, Sep 26

IAD

Washington Dulles Intl.

LIS

Humberto Delgado

$2,211 Roundtrip, found 1 day ago

$2,211

Roundtrip

found 1 day ago

Select Finnair flight, departing Mon, Sep 22 from Washington Dulles Intl. to Humberto Delgado, returning Fri, Sep 26, priced at $2,211 found 1 day ago

Mon, Sep 22 - Fri, Sep 26

IAD

Washington Dulles Intl.

LIS

Humberto Delgado

$2,218 Roundtrip, found 1 day ago

$2,218

Roundtrip

found 1 day ago

Select Iberia flight, departing Mon, Sep 22 from Washington Dulles Intl. to Humberto Delgado, returning Fri, Sep 26, priced at $2,218 found 1 day ago

Thu, Jun 26 - Mon, Jul 7

IAD

Washington Dulles Intl.

LIS

Humberto Delgado

$2,299 Roundtrip, found 23 hours ago

$2,299

Roundtrip

found 23 hours ago

Select Austrian Airlines flight, departing Thu, Jun 26 from Washington Dulles Intl. to Humberto Delgado, returning Mon, Jul 7, priced at $2,299 found 23 hours ago