How long is the flight from Portland to Washington, D.C.?

Delta, Southwest, and Alaska Airlines can get you from Portland to Washington, D.C. in just under 7h 35m. Your travel time can differ by up to 5h 24m. The distance from Portland to Washington, D.C. is about 2351 mi. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from Portland to Washington, D.C. round-trip?

Our cheapest airline available from Portland to Washington, D.C. is Delta. Our recent data shows that you can find tickets from as low as $138 on this airline. Additional options worth looking into are Alaska Airlines and American Airlines, starting at $223 and $297 round-trip. Delta is currently priced 70% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Portland to Washington, D.C. one-way?

One-way options have recently been found by users for as low as $105 on Frontier. Other airlines that offer cheap prices include Delta from $128 and American Airlines from $138 one-way.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the most popular routes from Portland to Washington, D.C.?

When deciding which route to take from Portland to Washington, D.C. consider Portland - Washington, D.C. Dulles Intl, Portland - Washington, D.C. Reagan-National or Portland - Baltimore/Washington as they are the most popular.

What are the cheapest flights from Portland to Washington, D.C.?

Looking at all options, your cheapest flight can be booked for $193. While the most popular route (Portland - Washington, D.C. Dulles Intl) can be booked for $369 on average, our data indicates $637 when flying from Portland to Washington, D.C..

What are the most popular airlines that fly from Portland to Washington, D.C.?

When booking a flight from Portland to Washington, D.C., you may want to consider flying on United Airlines, Alaska Airlines or Delta as they are the most popular for this route.

Most accurate provider : When it comes to deals on Portland-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Washington, D.C. flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Portland-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Portland to Washington, D.C.?

Located just 6.0 mi from the city center, Portland is the airport most travelers will use when flying to Washington, D.C. from Portland. Booking flights from Portland (PDX) to Washington, D.C. should be relatively easy as there are 2 daily outbound flights to Washington, D.C. from 5 different airlines.

Can I find deals for flights from Portland to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on Portland to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Portland to Washington, D.C.?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Washington, D.C..

Can I find deals for business class flights from Portland to Washington, D.C.?

Yes. Cheapflights offers flight deals from Portland to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$129+ Cheap Flights from Portland to Washington, D.C.

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Cheapflights Tip: The best prices from Portland to Washington, D.C. are usually found in February or August, booked 81 days in advance, depart on a Thursday or Friday and return on a Wednesday

Cheap flight deals from Portland to Washington, D.C.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Portland to Washington, D.C.
Explore the most affordable flight options available from Portland to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 1, 2026.

Wed 10/2111:52 am -

1 stop9h 59m

Wed 10/287:00 am -

1 stop9h 38m

Deal found 9/30

$323

Tue 10/2711:15 am -

1 stop9h 40m

Tue 11/33:45 pm -

2 stops9h 30m

Deal found 9/29

$328

Tue 10/2712:02 pm -

2 stops23h 06m

Sat 11/76:24 am -

2 stops30h 47m

Deal found 9/28

$342

Tue 11/102:24 pm -

1 stop7h 34m

Sat 11/147:01 am -

1 stop8h 27m

Deal found 9/28

$343

Tue 10/2011:49 am -

2 stops18h 38m

Mon 11/99:12 pm -

2 stops16h 55m

Deal found 9/29

$363

Fri 11/201:58 pm -

1 stop12h 12m

Mon 11/231:09 pm -

1 stop31h 25m

Deal found 9/27

$364

Sun 11/812:07 pm -

1 stop6h 43m

Sat 11/146:00 pm -

1 stop20h 12m

Deal found 9/26

$365

Thu 11/1912:02 pm -

1 stop6h 48m

Tue 11/241:54 pm -

1 stop9h 02m

Deal found 9/26

$366

Thu 10/2211:49 am -

1 stop26h 07m

Mon 11/96:00 pm -

1 stop20h 07m

Deal found 9/27

$368

Wed 11/181:15 pm -

1 stop6h 53m

Sat 11/215:31 pm -

1 stop7h 56m

Deal found 10/1

$371

Tue 10/2712:02 pm -

2 stops20h 34m

Tue 11/37:46 am -

2 stops15h 04m

Deal found 9/29

$371

Wed 10/2111:15 am -

1 stop9h 40m

Tue 10/276:20 am -

2 stops11h 45m

Deal found 9/29

$376

Best flights from Portland to Washington, D.C.
Discover carefully curated flight deals from Portland to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 1, 2026.

Wed 10/2111:51 am -

1 stop8h 32m

Wed 10/286:10 am -

1 stop7h 31m

Deal found 9/30

$323

Thu 10/2911:35 pm -

1 stop7h 35m

Tue 11/33:45 pm -

2 stops9h 30m

Deal found 9/27

$385

Wed 10/218:00 am -

2 stops12h 59m

Tue 10/277:02 am -

2 stops11h 58m

Deal found 9/26

$433

Tue 10/275:00 am -

2 stops11h 03m

Tue 11/310:09 am -

1 stop8h 14m

Deal found 9/30

$458

Wed 11/1811:10 pm -

1 stop7h 08m

Wed 12/27:00 am -

1 stop8h 48m

Deal found 9/29

$343

Tue 12/156:55 am -

2 stops10h 05m

Mon 1/47:45 pm -

1 stop8h 35m

Deal found 9/30

$395

Wed 12/235:18 pm -

1 stop9h 32m

Wed 1/67:10 am -

1 stop8h 29m

Deal found 9/26

$381

Wed 12/1611:40 am -

1 stop7h 05m

Mon 1/46:35 am -

2 stops10h 15m

Deal found 9/30

$395

Tue 11/103:04 pm -

1 stop23h 36m

Fri 11/136:46 pm -

1 stop29h 01m

Deal found 9/30

$463

Wed 1/69:30 pm -

2 stops15h 57m

Mon 1/115:30 pm -

2 stops23h 05m

Deal found 9/26

$477

Mon 10/196:55 pm -

1 stop7h 22m

Mon 10/265:19 pm -

Nonstop5h 56m

Deal found 9/28

$527

Fri 12/46:00 am -

1 stop7h 15m

Mon 12/143:35 pm -

1 stop10h 45m

Deal found 9/30

$439

Tue 10/205:15 pm -

1 stop9h 30m

Sun 10/257:21 pm -

1 stop7h 23m

Deal found 9/27

$451

Tue 2/96:50 am -

1 stop6h 40m

Mon 2/224:55 pm -

1 stop9h 25m

Deal found 9/27

$439

Fri 11/135:45 pm -

1 stop8h 59m

Mon 11/166:46 pm -

1 stop17h 57m

Deal found 9/28

$495

Wed 10/215:15 pm -

1 stop9h 30m

Mon 10/267:21 pm -

1 stop7h 23m

Deal found 9/28

$451

Mon 10/268:30 am -

Nonstop4h 52m

Thu 10/293:37 pm -

1 stop9h 50m

Deal found 9/28

$583

Tue 10/279:03 am -

1 stop8h 57m

Tue 11/35:20 pm -

Nonstop5h 56m

Deal found 9/27

$500

Fri 10/302:20 pm -

1 stop7h 31m

Sun 11/87:22 am -

1 stop8h 16m

Deal found 9/27

$457

Thu 11/511:30 pm -

1 stop7h 40m

Tue 11/103:35 pm -

1 stop10h 50m

Deal found 9/30

$477

Wed 11/116:08 am -

1 stop7h 06m

Sun 11/156:46 pm -

1 stop17h 57m

Deal found 9/30

$507

Fri 10/167:10 pm -

1 stop7h 35m

Tue 10/276:10 am -

1 stop7h 31m

Deal found 9/26

$465

Tue 12/156:00 am -

1 stop7h 15m

Mon 1/46:00 am -

2 stops10h 50m

Deal found 9/30

$482

Thu 11/128:18 am -

Nonstop4h 53m

Tue 11/175:20 pm -

Nonstop5h 56m

Deal found 9/27

$517

Wed 10/2111:35 pm -

1 stop9h 00m

Sat 10/243:40 pm -

1 stop9h 05m

Deal found 9/29

$499

Tue 10/2011:52 am -

1 stop7h 57m

Sun 10/256:08 am -

1 stop8h 48m

Deal found 9/27

$507

Tue 11/38:18 am -

Nonstop4h 53m

Sat 11/75:20 pm -

Nonstop5h 56m

Deal found 9/30

$517

Fri 12/256:00 am -

1 stop7h 15m

Mon 1/46:40 pm -

1 stop9h 40m

Deal found 9/29

$499

Wed 10/215:30 am -

1 stop6h 53m

Sun 10/256:08 am -

1 stop8h 48m

Deal found 9/27

$507

Sun 2/77:45 am -

2 stops9h 55m

Sat 2/136:00 am -

1 stop9h 35m

Deal found 9/30

$504

Last-minute flights from Portland to Washington, D.C.
Discover last-minute flight deals from Portland to Washington, D.C.. Data last updated October 1, 2026 and is based on user searches.

Mon 10/1911:06 am -

2 stops27h 07m

Wed 10/288:05 am -

2 stops30h 31m

Deal found 9/26

$384

Tue 10/2011:49 am -

2 stops18h 38m

Mon 11/99:12 pm -

2 stops16h 55m

Deal found 9/29

$363

Wed 10/2111:52 am -

1 stop9h 59m

Wed 10/287:00 am -

1 stop9h 38m

Deal found 9/30

$323

Wed 10/2111:15 am -

1 stop9h 40m

Tue 10/276:20 am -

2 stops11h 45m

Deal found 9/29

$376

Thu 10/2211:49 am -

1 stop26h 07m

Mon 11/96:00 pm -

1 stop20h 07m

Deal found 9/27

$368

Thu 10/227:10 pm -

1 stop7h 35m

Sat 10/246:10 am -

1 stop7h 31m

Deal found 9/30

$380

Thu 10/2212:11 pm -

1 stop15h 09m

Mon 10/266:00 am -

1 stop8h 40m

Deal found 9/29

$381

Mon 10/2611:06 am -

2 stops27h 06m

Thu 10/297:40 am -

2 stops29h 31m

Deal found 9/26

$382

Tue 10/2711:15 am -

1 stop9h 40m

Tue 11/33:45 pm -

2 stops9h 30m

Deal found 9/29

$328

Tue 10/2712:02 pm -

2 stops23h 06m

Sat 11/76:24 am -

2 stops30h 47m

Deal found 9/28

$342

Tue 10/2712:02 pm -

2 stops20h 34m

Tue 11/37:46 am -

2 stops15h 04m

Deal found 9/29

$371

Sat 10/316:10 am -

2 stops11h 40m

Sat 11/79:30 am -

2 stops10h 15m

Deal found 9/28

$381

One-way flights from Portland to Washington, D.C.
Search for one-way flight options from Portland to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated October 1, 2026.

Tue 10/2712:02 pm -

2 stops23h 06m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/28

$129

Tue 10/2011:49 am -

2 stops19h 16m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/29

$137

Thu 12/105:10 pm -

2 stops28h 19m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/1

$152

Wed 10/2811:43 am -

1 stop8h 21m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/30

$162

Mon 10/1912:25 pm -

1 stop14h 55m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/26

$165

Sat 10/247:33 pm -

2 stops11h 56m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/30

$167

Tue 11/2412:35 am -

1 stop7h 07m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/29

$172

Mon 10/2611:06 am -

2 stops21h 30m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/29

$175

Thu 10/2211:06 am -

2 stops34h 28m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/30

$179

Mon 10/2611:06 am -

2 stops34h 16m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/30

$181

Tue 10/2011:49 am -

2 stops20h 45m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/30

$184

Sun 11/812:07 pm -

1 stop6h 43m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/30

$186

Find flight deals from Portland to Washington, D.C.

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$323 (Delta)
One-way from	$129 (Kiwi.com)
Popular in	March
Cheapest in	February
Average price	$464
Good round-trip deal	$440 or less
Good one-way deal	$251 or less

Provider with most accurate pricing for Portland-Washington, D.C. (WAS) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Portland-Washington, D.C. (WAS) flights.

Search Deals

From Portland to Washington, D.C. (WAS)

Search Deals

One-way flight from Portland to Washington, D.C. (WAS)

Search Deals

High demand for flights, 1% potential price rise

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Price to beat on a round-trip flight from Portland to Washington, D.C. (WAS).

Search Deals

Price to beat on a one-way flight from Portland to Washington, D.C. (WAS).

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portland to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBaltimore

PDX Portland - BWI Baltimore/Washington

PDXBWI

Portland

Tue 10/27

11:43 am-11:04 pm

1 stop8h 21m

Baltimore/Washington

Wed 12/31

12:00 am-9:00 pm

Nonstop0h 00m

$162

PortlandBaltimore

PDX Portland - BWI Baltimore/Washington

PDXBWI

Portland

Sat 10/24

6:50 am-5:27 pm

1 stop7h 37m

Baltimore/Washington

Wed 12/31

12:00 am-9:00 pm

Nonstop0h 00m

$162

PortlandBaltimore

PDX Portland - BWI Baltimore/Washington

PDXBWI

Portland

Wed 10/28

11:43 am-11:04 pm

1 stop8h 21m

Baltimore/Washington

Wed 12/31

12:00 am-9:00 pm

Nonstop0h 00m

$162

PortlandBaltimore

PDX Portland - BWI Baltimore/Washington

PDXBWI

Portland

Wed 12/9

5:25 pm-5:45 am

2 stops9h 20m

Baltimore/Washington

Wed 12/31

12:00 am-9:00 pm

Nonstop0h 00m

$167

PortlandWashington, D.C.

PDX Portland - DCA Washington, D.C. Reagan-National

PDXDCA

Portland

Mon 10/19

11:35 pm-2:20 pm

1 stop11h 45m

Washington, D.C. Reagan-National

Wed 12/31

12:00 am-9:00 pm

Nonstop0h 00m

$214

PortlandWashington, D.C.

PDX Portland - DCA Washington, D.C. Reagan-National

PDXDCA

Portland

Thu 12/3

11:40 am-10:10 pm

2 stops7h 30m

Washington, D.C. Reagan-National

Wed 12/31

12:00 am-9:00 pm

Nonstop0h 00m

$214

PortlandBaltimore

PDX Portland - BWI Baltimore/Washington

PDXBWI

Portland

Sat 12/12

6:55 am-7:35 pm

2 stops9h 40m

Baltimore/Washington

Wed 12/31

12:00 am-9:00 pm

Nonstop0h 00m

$215

PortlandBaltimore

PDX Portland - BWI Baltimore/Washington

PDXBWI

Portland

Mon 12/21

11:59 pm-10:19 am

1 stop7h 20m

Baltimore/Washington

Wed 12/31

12:00 am-9:00 pm

Nonstop0h 00m

$219

PortlandBaltimore

PDX Portland - BWI Baltimore/Washington

PDXBWI

Portland

Thu 10/22

5:15 pm-5:45 am

1 stop9h 30m

Baltimore/Washington

Wed 12/31

12:00 am-9:00 pm

Nonstop0h 00m

$219

PortlandBaltimore

PDX Portland - BWI Baltimore/Washington

PDXBWI

Portland

Mon 11/16

5:24 pm-6:00 am

1 stop9h 36m

Baltimore/Washington

Wed 12/31

12:00 am-9:00 pm

Nonstop0h 00m

$219

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/28

Showing 1-10 of 60 resultsSorted by cheapest first

...

Compare providers for flights from Portland to Washington, D.C.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Washington, D.C. in October.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
JustAirTicket	Price Accuracy-	Trust Score*1 star
CheapOair	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
eDreams	Price Accuracy2 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Portland-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Washington, D.C. flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Portland-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Portland with our price prediction graph.

PDX-WAS

PDX-BWI

PDX-IAD

PDX-DCA

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Washington, D.C.

PDX-WAS

PDX-BWI

PDX-IAD

PDX-DCA

What is the cheapest month to book a flight from Portland to Washington, D.C.?

Currently, February is the cheapest month in which you can book a flight from Portland to Washington, D.C. (average of $379). Flying from Portland to Washington, D.C. in July is currently the most expensive (average of $561). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PDX to WAS?

When flying from Portland to Washington, D.C., the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Portland to Washington, D.C.?

Airfare is below average for this route at the moment.

Portland to Washington, D.C. flights typically cost between $355 and $577 in October.
The cheapest round-trip price found within the last 5 days was $323 on Delta (Oct 21-Oct 28).

What’s the top layover airport for flights from Portland to Washington, D.C.?

Chicago (ORD) – chosen by Cheapflights users on 50% of 1-stop itineraries from Portland to Washington, D.C. on Cheapflights.

What’s the cheapest layover airport for flights from Portland to Washington, D.C.?

Chicago (ORD) is the most affordable 1-stop option, with an average round-trip price of $271.

What’s the fastest layover option from Portland to Washington, D.C.?

Flights via Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 8h 50m.

Which airport typically offers the quickest layover for flights from Portland to Washington, D.C.?

Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 2h 17m.

How far ahead should I book a flight from Portland to Washington, D.C.?

The best time to book flights from Portland to Washington, D.C. is 80 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Washington, D.C.

Peruse reviews from past customers who have flown with Southwest,Alaska Airlines, andDelta from Portland to Washington, D.C. to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,207 reviews

Reviews

1 / 20

10.0

Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.

Southwest

8.0

Very good

4,207 reviews

Southwest

8.0

Very good

4,207 reviews

Reviews

1 / 20

10.0

Excellent

Edward,Sep 2026

MCO - BWI

Alaska Airlines

7.9

Good

13,000 reviews

Southwest

8.0

Very good

4,207 reviews

Reviews

1 / 20

10.0

Excellent

Edward,Sep 2026

MCO - BWI

Delta

7.8

Good

8,615 reviews

Southwest

8.0

Very good

4,207 reviews

Reviews

1 / 20

10.0

Excellent

Edward,Sep 2026

MCO - BWI

United Airlines

7.4

Good

10,270 reviews

Southwest

8.0

Very good

4,207 reviews

Reviews

1 / 20

10.0

Excellent

Edward,Sep 2026

MCO - BWI

American Airlines

7.0

Good

12,096 reviews

Southwest

8.0

Very good

4,207 reviews

Reviews

1 / 20

10.0

Excellent

Edward,Sep 2026

MCO - BWI

Related info for your journey

What airport do you fly from for flights from Portland to Washington, D.C.?
Located just 6.0 mi from the city center, Portland is the airport most travelers will use when flying to Washington, D.C. from Portland. Booking flights from Portland (PDX) to Washington, D.C. should be relatively easy as there are 2 daily outbound flights to Washington, D.C. from 5 different airlines.
How long is the flight from Portland to Washington, D.C.?
Delta, Southwest, and Alaska Airlines can get you from Portland to Washington, D.C. in just under 7h 35m. Your travel time can differ by up to 5h 24m. The distance from Portland to Washington, D.C. is about 2351 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines flying from Portland to Washington, D.C. round-trip?
Our cheapest airline available from Portland to Washington, D.C. is Delta. Our recent data shows that you can find tickets from as low as $138 on this airline. Additional options worth looking into are Alaska Airlines and American Airlines, starting at $223 and $297 round-trip. Delta is currently priced 70% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Portland to Washington, D.C. one-way?
One-way options have recently been found by users for as low as $105 on Frontier. Other airlines that offer cheap prices include Delta from $128 and American Airlines from $138 one-way.
What are the most popular routes from Portland to Washington, D.C.?
When deciding which route to take from Portland to Washington, D.C. consider Portland - Washington, D.C. Dulles Intl, Portland - Washington, D.C. Reagan-National or Portland - Baltimore/Washington as they are the most popular.
What are the cheapest flights from Portland to Washington, D.C.?
Looking at all options, your cheapest flight can be booked for $193. While the most popular route (Portland - Washington, D.C. Dulles Intl) can be booked for $369 on average, our data indicates $637 when flying from Portland to Washington, D.C..
Can I find deals for flights from Portland to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Portland to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Portland to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Washington, D.C..
Can I find deals for business class flights from Portland to Washington, D.C.?
Yes. Cheapflights offers flight deals from Portland to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Portland to Washington, D.C.?
Currently, February is the cheapest month in which you can book a flight from Portland to Washington, D.C. (average of $379). Flying from Portland to Washington, D.C. in July is currently the most expensive (average of $561). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 5 airlines flying from Portland to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$128	Average$413	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$223	Average$494	FlexibilityNo cancel fee	On-time75%
American Airlines	Cheapest$229	Average$521	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$247	Average$535	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$253	Average$485	FlexibilityNo cancel fee	On-time69%

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$129+ Cheap flights from Portland (PDX) to Washington, D.C. (WAS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/27. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Portland to Washington, D.C.

Cheapest flights from Portland to Washington, D.C.Explore the most affordable flight options available from Portland to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 1, 2026.

Explore the most affordable flight options available from Portland to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 1, 2026.

Best flights from Portland to Washington, D.C.Discover carefully curated flight deals from Portland to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 1, 2026.

Discover carefully curated flight deals from Portland to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 1, 2026.

Last-minute flights from Portland to Washington, D.C.Discover last-minute flight deals from Portland to Washington, D.C.. Data last updated October 1, 2026 and is based on user searches.

Discover last-minute flight deals from Portland to Washington, D.C.. Data last updated October 1, 2026 and is based on user searches.

One-way flights from Portland to Washington, D.C.Search for one-way flight options from Portland to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated October 1, 2026.

Search for one-way flight options from Portland to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated October 1, 2026.

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Use the filters below to find and compare flights from Portland to Washington, D.C. that are best for you.

Compare providers for flights from Portland to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Washington, D.C. in October.

Best time to book a flight from Portland to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Portland with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Portland to Washington, D.C.?

What is the cheapest time of day to fly from PDX to WAS?

Find hourly flight availability from Portland to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 1, 2026.

When flying from Portland to Washington, D.C., the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Portland to Washington, D.C.?

Airfare is below average for this route at the moment.

Portland to Washington, D.C. flights typically cost between $355 and $577 in October.The cheapest round-trip price found within the last 5 days was $323 on Delta (Oct 21-Oct 28).

What’s the top layover airport for flights from Portland to Washington, D.C.?

Share of 1-stop round-trip flights from Portland to Washington, D.C. chosen by Cheapflights users in the past 12 months, using the same layover each way.

Chicago (ORD) – chosen by Cheapflights users on 50% of 1-stop itineraries from Portland to Washington, D.C. on Cheapflights.

What’s the cheapest layover airport for flights from Portland to Washington, D.C.?

Average round-trip fare for 1-stop flights from Portland to Washington, D.C., chosen by Cheapflights users in the past 12 months, with the same layover each way.

Chicago (ORD) is the most affordable 1-stop option, with an average round-trip price of $271.

What’s the fastest layover option from Portland to Washington, D.C.?

Shortest average travel time for 1-stop one-way flights from Portland to Washington, D.C., based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 8h 50m.

Which airport typically offers the quickest layover for flights from Portland to Washington, D.C.?

Average layover duration for 1-stop one-way flights from Portland to Washington, D.C., chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 2h 17m.

How far ahead should I book a flight from Portland to Washington, D.C.?

The best time to book flights from Portland to Washington, D.C. is 80 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Washington, D.C.

Peruse reviews from past customers who have flown with Southwest,Alaska Airlines, andDelta from Portland to Washington, D.C. to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly from for flights from Portland to Washington, D.C.?

How long is the flight from Portland to Washington, D.C.?

What are the cheapest airlines flying from Portland to Washington, D.C. round-trip?

What are the cheapest airlines to fly from Portland to Washington, D.C. one-way?

What are the most popular routes from Portland to Washington, D.C.?

What are the cheapest flights from Portland to Washington, D.C.?

Can I find deals for flights from Portland to Washington, D.C. that include hotel bookings?

How can I find direct flights from Portland to Washington, D.C.?

Can I find deals for business class flights from Portland to Washington, D.C.?

What is the cheapest month to book a flight from Portland to Washington, D.C.?

Traveling to a place near Washington, D.C.?

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Alternative routes for Portland to Washington, D.C.

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Complete your trip

Complete your trip to Washington, D.C. by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Portland to Washington, D.C. by cabin class

Find flights from Portland to Washington, D.C., based on your preferred cabin class, be it economy, premium economy, business, or first class.

Portland and Washington, D.C. flights

Browse other Portland and Washington, D.C. flight options. Last updated on October 1, 2026.

Other flights from Portland

Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on October 1, 2026.

Cheapest flights from Portland to Washington, D.C.
Explore the most affordable flight options available from Portland to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 1, 2026.

Best flights from Portland to Washington, D.C.
Discover carefully curated flight deals from Portland to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 1, 2026.

Last-minute flights from Portland to Washington, D.C.
Discover last-minute flight deals from Portland to Washington, D.C.. Data last updated October 1, 2026 and is based on user searches.

One-way flights from Portland to Washington, D.C.
Search for one-way flight options from Portland to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated October 1, 2026.

Portland to Washington, D.C. flights typically cost between $355 and $577 in October.
The cheapest round-trip price found within the last 5 days was $323 on Delta (Oct 21-Oct 28).