Flights from Portland to Washington

Cheapest flights from Portland

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, Jun 19 - Sat, Jun 21

PWM

Portland Intl. Jetport

IAD

Washington Dulles Intl.

$219 Roundtrip, found 5 days ago

$219

Roundtrip

found 5 days ago

Select Delta flight, departing Thu, Jun 19 from Portland Intl. Jetport to Washington Dulles Intl., returning Sat, Jun 21, priced at $219 found 5 days ago

Mon, Jun 16 - Sat, Jun 21

PWM

Portland Intl. Jetport

IAD

Washington Dulles Intl.

$239 Roundtrip, found 5 days ago

$239

Roundtrip

found 5 days ago

Select Delta flight, departing Mon, Jun 16 from Portland Intl. Jetport to Washington Dulles Intl., returning Sat, Jun 21, priced at $239 found 5 days ago

Fri, Jun 13 - Mon, Jun 16

PWM

Portland Intl. Jetport

DCA

Ronald Reagan Washington National

$259 Roundtrip, found 4 days ago

$259

Roundtrip

found 4 days ago

Select Delta flight, departing Fri, Jun 13 from Portland Intl. Jetport to Ronald Reagan Washington National, returning Mon, Jun 16, priced at $259 found 4 days ago

Thu, Jun 19 - Sun, Jun 22

PWM

Portland Intl. Jetport

IAD

Washington Dulles Intl.

$279 Roundtrip, found 5 days ago

$279

Roundtrip

found 5 days ago

Select Delta flight, departing Thu, Jun 19 from Portland Intl. Jetport to Washington Dulles Intl., returning Sun, Jun 22, priced at $279 found 5 days ago

Mon, Jun 16 - Sun, Jun 22

PWM

Portland Intl. Jetport

IAD

Washington Dulles Intl.

$299 Roundtrip, found 5 days ago

$299

Roundtrip

found 5 days ago

Select Delta flight, departing Mon, Jun 16 from Portland Intl. Jetport to Washington Dulles Intl., returning Sun, Jun 22, priced at $299 found 5 days ago

Tue, Jun 17 - Tue, Jun 17

PWM

Portland Intl. Jetport

DCA

Ronald Reagan Washington National

$357 Roundtrip, found 5 days ago

$357

Roundtrip

found 5 days ago

Select American Airlines flight, departing Tue, Jun 17 from Portland Intl. Jetport to Ronald Reagan Washington National, returning Tue, Jun 17, priced at $357 found 5 days ago

Wed, Jun 18 - Thu, Jun 19

PWM

Portland Intl. Jetport

DCA

Ronald Reagan Washington National

$363 Roundtrip, found 5 days ago

$363

Roundtrip

found 5 days ago

Select JetBlue Airways flight, departing Wed, Jun 18 from Portland Intl. Jetport to Ronald Reagan Washington National, returning Thu, Jun 19, priced at $363 found 5 days ago

Sun, Jun 15 - Thu, Jun 19

PWM

Portland Intl. Jetport

IAD

Washington Dulles Intl.

$488 Roundtrip, found 5 days ago

$488

Roundtrip

found 5 days ago

Select United flight, departing Sun, Jun 15 from Portland Intl. Jetport to Washington Dulles Intl., returning Thu, Jun 19, priced at $488 found 5 days ago

Mon, Jun 16 - Thu, Jun 19

PWM

Portland Intl. Jetport

IAD

Washington Dulles Intl.

$498 Roundtrip, found 5 days ago

$498

Roundtrip

found 5 days ago

Select Delta flight, departing Mon, Jun 16 from Portland Intl. Jetport to Washington Dulles Intl., returning Thu, Jun 19, priced at $498 found 5 days ago

Sun, Jun 15 - Tue, Jun 17

PWM

Portland Intl. Jetport

IAD

Washington Dulles Intl.

$523 Roundtrip, found 5 days ago

$523

Roundtrip

found 5 days ago

Select United flight, departing Sun, Jun 15 from Portland Intl. Jetport to Washington Dulles Intl., returning Tue, Jun 17, priced at $523 found 5 days ago

Mon, Jun 16 - Thu, Jun 19

PWM

Portland Intl. Jetport

IAD

Washington Dulles Intl.

$530 Roundtrip, found 5 days ago

$530

Roundtrip

found 5 days ago

Select United flight, departing Mon, Jun 16 from Portland Intl. Jetport to Washington Dulles Intl., returning Thu, Jun 19, priced at $530 found 5 days ago

Mon, Jun 16 - Thu, Jun 19

PWM

Portland Intl. Jetport

IAD

Washington Dulles Intl.

$540 Roundtrip, found 5 days ago

$540

Roundtrip

found 5 days ago

Select United flight, departing Mon, Jun 16 from Portland Intl. Jetport to Washington Dulles Intl., returning Thu, Jun 19, priced at $540 found 5 days ago

Mon, Jun 16 - Thu, Jun 19

PWM

Portland Intl. Jetport

IAD

Washington Dulles Intl.

$543 Roundtrip, found 5 days ago

$543

Roundtrip

found 5 days ago

Select United flight, departing Mon, Jun 16 from Portland Intl. Jetport to Washington Dulles Intl., returning Thu, Jun 19, priced at $543 found 5 days ago

Mon, Jun 16 - Thu, Jun 19

PWM

Portland Intl. Jetport

IAD

Washington Dulles Intl.

$546 Roundtrip, found 5 days ago

$546

Roundtrip

found 5 days ago

Select Delta flight, departing Mon, Jun 16 from Portland Intl. Jetport to Washington Dulles Intl., returning Thu, Jun 19, priced at $546 found 5 days ago

Mon, Jun 16 - Thu, Jun 19

PWM

Portland Intl. Jetport

IAD

Washington Dulles Intl.

$547 Roundtrip, found 5 days ago

$547

Roundtrip

found 5 days ago

Select United flight, departing Mon, Jun 16 from Portland Intl. Jetport to Washington Dulles Intl., returning Thu, Jun 19, priced at $547 found 5 days ago

Mon, Jun 16 - Thu, Jun 19

PWM

Portland Intl. Jetport

IAD

Washington Dulles Intl.

$549 Roundtrip, found 5 days ago

$549

Roundtrip

found 5 days ago

Select United flight, departing Mon, Jun 16 from Portland Intl. Jetport to Washington Dulles Intl., returning Thu, Jun 19, priced at $549 found 5 days ago

Mon, Jun 16 - Thu, Jun 19

PWM

Portland Intl. Jetport

IAD

Washington Dulles Intl.

$553 Roundtrip, found 5 days ago

$553

Roundtrip

found 5 days ago

Select United flight, departing Mon, Jun 16 from Portland Intl. Jetport to Washington Dulles Intl., returning Thu, Jun 19, priced at $553 found 5 days ago

Mon, Jun 16 - Thu, Jun 19

PWM

Portland Intl. Jetport

IAD

Washington Dulles Intl.

$554 Roundtrip, found 5 days ago

$554

Roundtrip

found 5 days ago

Select United flight, departing Mon, Jun 16 from Portland Intl. Jetport to Washington Dulles Intl., returning Thu, Jun 19, priced at $554 found 5 days ago

Mon, Jun 16 - Thu, Jun 19

PWM

Portland Intl. Jetport

IAD

Washington Dulles Intl.

$561 Roundtrip, found 5 days ago

$561

Roundtrip

found 5 days ago

Select American Airlines flight, departing Mon, Jun 16 from Portland Intl. Jetport to Washington Dulles Intl., returning Thu, Jun 19, priced at $561 found 5 days ago

Mon, Jun 16 - Thu, Jun 19

PWM

Portland Intl. Jetport

BWI

Baltimore Washington Intl. Thurgood Marshall

$591 Roundtrip, found 5 days ago

$591

Roundtrip

found 5 days ago

Select Delta flight, departing Mon, Jun 16 from Portland Intl. Jetport to Baltimore Washington Intl. Thurgood Marshall, returning Thu, Jun 19, priced at $591 found 5 days ago