Flights from Portland to Greenbelt

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.

Sat, Jul 19 - Sat, Jul 26

PDX

Portland Intl.

DCA

Ronald Reagan Washington National

$265 Roundtrip, found 5 days ago

$265

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, Jul 19 from Portland Intl. to Ronald Reagan Washington National, returning Sat, Jul 26, priced at $265 found 5 days ago

Sat, Jul 19 - Sun, Jul 27

PDX

Portland Intl.

DCA

Ronald Reagan Washington National

$295 Roundtrip, found 5 days ago

$295

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, Jul 19 from Portland Intl. to Ronald Reagan Washington National, returning Sun, Jul 27, priced at $295 found 5 days ago

Wed, Jul 9 - Wed, Jul 16

PDX

Portland Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$318 Roundtrip, found 3 days ago

$318

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Wed, Jul 9 from Portland Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Wed, Jul 16, priced at $318 found 3 days ago

Mon, Jul 21 - Sun, Jul 27

PDX

Portland Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$322 Roundtrip, found 5 days ago

$322

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Mon, Jul 21 from Portland Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Jul 27, priced at $322 found 5 days ago

Wed, Jul 9 - Mon, Jul 14

PDX

Portland Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$326 Roundtrip, found 1 day ago

$326

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Wed, Jul 9 from Portland Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Mon, Jul 14, priced at $326 found 1 day ago

Wed, Jul 9 - Fri, Jul 18

PDX

Portland Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$331 Roundtrip, found 3 days ago

$331

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Wed, Jul 9 from Portland Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Fri, Jul 18, priced at $331 found 3 days ago

Mon, Jul 14 - Sat, Jul 19

PDX

Portland Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$334 Roundtrip, found 1 day ago

$334

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Jul 14 from Portland Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sat, Jul 19, priced at $334 found 1 day ago

Sat, Jul 19 - Thu, Jul 24

PDX

Portland Intl.

DCA

Ronald Reagan Washington National

$335 Roundtrip, found 5 days ago

$335

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, Jul 19 from Portland Intl. to Ronald Reagan Washington National, returning Thu, Jul 24, priced at $335 found 5 days ago

Sat, Jul 12 - Sat, Jul 19

PDX

Portland Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$339 Roundtrip, found 1 day ago

$339

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jul 12 from Portland Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sat, Jul 19, priced at $339 found 1 day ago

Mon, Jul 21 - Sun, Jul 27

PDX

Portland Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$344 Roundtrip, found 5 days ago

$344

Roundtrip

found 5 days ago

Select Delta flight, departing Mon, Jul 21 from Portland Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Jul 27, priced at $344 found 5 days ago

Sat, Jul 12 - Fri, Jul 18

PDX

Portland Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$344 Roundtrip, found 1 day ago

$344

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jul 12 from Portland Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Fri, Jul 18, priced at $344 found 1 day ago

Mon, Jul 21 - Sun, Jul 27

PDX

Portland Intl.

DCA

Ronald Reagan Washington National

$358 Roundtrip, found 5 days ago

$358

Roundtrip

found 5 days ago

Select United flight, departing Mon, Jul 21 from Portland Intl. to Ronald Reagan Washington National, returning Sun, Jul 27, priced at $358 found 5 days ago

Mon, Jul 21 - Sun, Jul 27

PDX

Portland Intl.

IAD

Washington Dulles Intl.

$379 Roundtrip, found 5 days ago

$379

Roundtrip

found 5 days ago

Select United flight, departing Mon, Jul 21 from Portland Intl. to Washington Dulles Intl., returning Sun, Jul 27, priced at $379 found 5 days ago

Mon, Jul 21 - Sun, Jul 27

PDX

Portland Intl.

IAD

Washington Dulles Intl.

$401 Roundtrip, found 5 days ago

$401

Roundtrip

found 5 days ago

Select United flight, departing Mon, Jul 21 from Portland Intl. to Washington Dulles Intl., returning Sun, Jul 27, priced at $401 found 5 days ago

Mon, Jul 21 - Sun, Jul 27

PDX

Portland Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$418 Roundtrip, found 5 days ago

$418

Roundtrip

found 5 days ago

Select Delta flight, departing Mon, Jul 21 from Portland Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Jul 27, priced at $418 found 5 days ago

Mon, Jul 21 - Sun, Jul 27

PDX

Portland Intl.

DCA

Ronald Reagan Washington National

$447 Roundtrip, found 5 days ago

$447

Roundtrip

found 5 days ago

Select American Airlines flight, departing Mon, Jul 21 from Portland Intl. to Ronald Reagan Washington National, returning Sun, Jul 27, priced at $447 found 5 days ago

Tue, Jul 8 - Tue, Jul 15

PDX

Portland Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$517 Roundtrip, found 3 days ago

$517

Roundtrip

found 3 days ago

Select Sun Country Airlines flight, departing Tue, Jul 8 from Portland Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Tue, Jul 15, priced at $517 found 3 days ago

Fri, Jul 11 - Wed, Jul 16

PDX

Portland Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$525 Roundtrip, found 1 day ago

$525

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Fri, Jul 11 from Portland Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Wed, Jul 16, priced at $525 found 1 day ago

Mon, Jul 21 - Sun, Jul 27

PDX

Portland Intl.

DCA

Ronald Reagan Washington National

$833 Roundtrip, found 5 days ago

$833

Roundtrip

found 5 days ago

Select JetBlue Airways flight, departing Mon, Jul 21 from Portland Intl. to Ronald Reagan Washington National, returning Sun, Jul 27, priced at $833 found 5 days ago

Wed, Jul 9 - Fri, Jul 11

PDX

Portland Intl.

IAD

Washington Dulles Intl.

$876 Roundtrip, found 1 day ago

$876

Roundtrip

found 1 day ago

Select Hawaiian Airlines flight, departing Wed, Jul 9 from Portland Intl. to Washington Dulles Intl., returning Fri, Jul 11, priced at $876 found 1 day ago