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.

Wed, Jul 2 - Sat, Jul 5

PDX

Portland Intl.

DCA

Ronald Reagan Washington National

$290 Roundtrip, found 4 days ago

$290

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Wed, Jul 2 from Portland Intl. to Ronald Reagan Washington National, returning Sat, Jul 5, priced at $290 found 4 days ago

Sat, Jul 5 - Tue, Jul 8

PDX

Portland Intl.

DCA

Ronald Reagan Washington National

$320 Roundtrip, found 4 days ago

$320

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sat, Jul 5 from Portland Intl. to Ronald Reagan Washington National, returning Tue, Jul 8, priced at $320 found 4 days ago

Mon, Jun 30 - Mon, Jul 7

PDX

Portland Intl.

DCA

Ronald Reagan Washington National

$330 Roundtrip, found 4 days ago

$330

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, Jun 30 from Portland Intl. to Ronald Reagan Washington National, returning Mon, Jul 7, priced at $330 found 4 days ago

Sat, Jul 5 - Mon, Jul 7

PDX

Portland Intl.

DCA

Ronald Reagan Washington National

$340 Roundtrip, found 4 days ago

$340

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sat, Jul 5 from Portland Intl. to Ronald Reagan Washington National, returning Mon, Jul 7, priced at $340 found 4 days ago

Sun, Jul 6 - Wed, Jul 9

PDX

Portland Intl.

DCA

Ronald Reagan Washington National

$350 Roundtrip, found 4 days ago

$350

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sun, Jul 6 from Portland Intl. to Ronald Reagan Washington National, returning Wed, Jul 9, priced at $350 found 4 days ago

Fri, Jul 4 - Fri, Jul 4

PDX

Portland Intl.

DCA

Ronald Reagan Washington National

$357 Roundtrip, found 4 days ago

$357

Roundtrip

found 4 days ago

Select Delta flight, departing Fri, Jul 4 from Portland Intl. to Ronald Reagan Washington National, returning Fri, Jul 4, priced at $357 found 4 days ago

Sun, Jul 6 - Mon, Jul 7

PDX

Portland Intl.

DCA

Ronald Reagan Washington National

$370 Roundtrip, found 4 days ago

$370

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sun, Jul 6 from Portland Intl. to Ronald Reagan Washington National, returning Mon, Jul 7, priced at $370 found 4 days ago