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Washington, D.C.

$107+ Cheap flights from Portland (PDX) to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — WAS
Jul 4 — Jul 111
Sat 7/4
Sat 7/11
1 adult, Economy
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Find cheap flights from Portland to Washington, D.C. with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Portland to Washington, D.C. are usually found in August or February, booked 78 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

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 June 4, 2026.

This Orbitz deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:30 am
PDX
-
BWI
Nonstop5h 10m
Alaska Airlines
Sat 9/54:43 pm
BWI
-
PDX
Nonstop5h 32m
Alaska Airlines
Deal found 6/4$295
This Southwest deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1210:45 pm
PDX
-
BWI
Nonstop4h 55m
Southwest
Tue 8/188:30 am
BWI
-
PDX
1 stop12h 15m
Southwest
Deal found 6/4$296
This Expedia deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/287:12 am
PDX
-
BWI
Nonstop5h 04m
Alaska Airlines
Tue 8/44:19 pm
BWI
-
PDX
Nonstop5h 37m
Alaska Airlines
Deal found 6/3$298
This American Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1511:41 pm
PDX
-
BWI
1 stop8h 27m
American Airlines
Tue 7/287:17 pm
BWI
-
PDX
1 stop8h 38m
American Airlines
Deal found 6/4$300
This Alaska Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:12 am
PDX
-
BWI
Nonstop5h 04m
Alaska Airlines
Tue 8/184:19 pm
BWI
-
PDX
Nonstop5h 37m
Alaska Airlines
Deal found 6/3$303
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1110:55 pm
PDX
-
BWI
1 stop7h 24m
Delta
Tue 8/256:05 am
BWI
-
PDX
1 stop7h 41m
Delta
Deal found 6/1$304
This Southwest deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2811:30 pm
PDX
-
BWI
1 stop8h 40m
Southwest
Thu 7/303:15 pm
BWI
-
PDX
2 stops8h 45m
Southwest
Deal found 6/2$305
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/257:20 pm
PDX
-
BWI
1 stop7h 29m
Delta
Sat 7/47:40 am
BWI
-
PDX
1 stop8h 20m
Delta
Deal found 6/4$310
This Southwest deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:20 am
PDX
-
BWI
2 stops14h 05m
Southwest
Sat 8/2910:45 am
BWI
-
PDX
1 stop9h 55m
Southwest
Deal found 5/31$311
This American Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/311:45 pm
PDX
-
BWI
1 stop8h 22m
American Airlines
Mon 7/133:46 pm
BWI
-
PDX
1 stop10h 05m
American Airlines
Deal found 6/3$312
This Southwest deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2910:45 pm
PDX
-
BWI
Nonstop4h 55m
Southwest
Sat 9/510:00 am
BWI
-
PDX
1 stop9h 20m
Southwest
Deal found 6/4$313
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:08 pm
PDX
-
BWI
1 stop10h 12m
Delta
Sat 9/57:27 am
BWI
-
PDX
1 stop8h 31m
Delta
Deal found 6/4$314

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

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$295
(Orbitz)

One-way from

$107
(Priceline)

Popular in

March

Cheapest in

August

Average price

$476

Good round-trip deal

$397 or less

Good one-way deal

$191 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
Highest demand for flights based on searches. 8% potential increase in price ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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

 
Customize your flight search to find flights from Portland to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 4, 2026.
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 - BWI

PDXBWI

Portland

Mon 8/10

10:45 pm-6:40 am

Nonstop4h 55m

Baltimore/Washington

Wed 8/19

3:40 pm-8:40 pm

1 stop8h 00m

$330

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Fri 8/28

11:02 pm-10:08 am

1 stop8h 06m

Baltimore/Washington

Sun 8/30

6:52 pm-12:34 am

1 stop8h 42m

$336

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Tue 8/4

11:30 pm-9:15 am

1 stop6h 45m

Baltimore/Washington

Sun 8/9

5:20 pm-12:05 am

2 stops9h 45m

$365
Quickest round-trip

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Tue 6/30

7:12 am-3:16 pm

Nonstop5h 04m

Baltimore/Washington

Sat 7/4

4:19 pm-6:56 pm

Nonstop5h 37m

$385

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Thu 10/1

11:48 am-11:59 pm

1 stop9h 11m

Washington, D.C. Dulles Intl

Wed 10/7

7:00 am-4:00 pm

2 stops12h 00m

$404

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Thu 10/1

11:00 pm-9:00 am

1 stop7h 00m

Baltimore/Washington

Sun 10/4

6:05 am-12:47 pm

1 stop9h 42m

$411

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Fri 7/10

4:25 pm-5:45 am

1 stop10h 20m

Baltimore/Washington

Tue 7/14

11:45 am-7:00 pm

2 stops10h 15m

$432

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Wed 7/15

11:30 pm-9:45 am

1 stop7h 15m

Baltimore/Washington

Wed 7/22

10:40 am-5:10 pm

2 stops9h 30m

$432

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Thu 10/1

7:30 am-3:40 pm

Nonstop5h 10m

Baltimore/Washington

Sun 10/4

7:00 am-1:27 pm

1 stop9h 27m

$437

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Thu 7/16

10:40 pm-9:27 am

1 stop7h 47m

Baltimore/Washington

Sun 7/19

6:15 am-11:37 am

1 stop8h 22m

$440

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/31

Showing 1-10 of 60 resultsSorted by cheapest first
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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 June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust 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.
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.

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

Currently, September is the cheapest month in which you can book a flight from Portland to Washington, D.C. (average of $113). Flying from Portland to Washington, D.C. in February is currently the most expensive (average of $243). 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?

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 June 4, 2026.

A simple way to save on the total cost of your ticket is to fly from Portland to Washington, D.C. in the afternoon. If you’re flexible enough to do this you can expect to save up to 48% on your trip compared to booking a flight in the morning.

Weekly flight availability from Portland to Washington, D.C.

Explore weekly flight availability from Portland to Washington, D.C.. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 4, 2026.

The most flights from PDX to WAS are scheduled on a Monday (2 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (1 on average).

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

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.

Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated June 4, 2026.
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
4,255 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
Southwest
8.0
Very good
4,255 reviews
Southwest
8.0
Very good
4,255 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
Alaska Airlines
7.9
Good
12,466 reviews
Southwest
8.0
Very good
4,255 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
Delta
7.9
Good
8,396 reviews
Southwest
8.0
Very good
4,255 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
United Airlines
7.4
Good
9,774 reviews
Southwest
8.0
Very good
4,255 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
Frontier
5.6
Fair
2,914 reviews
Southwest
8.0
Very good
4,255 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

Related info for your journey

Find useful and relevant information for your journey from Portland to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 is 1 daily outbound flight to Washington, D.C. from 7 different airlines.

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

    Southwest, United Airlines, and Alaska Airlines can get you from Portland to Washington, D.C. in just under 4h 55m. Your travel time can differ by up to 3h 11m. 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 Frontier and Southwest, starting at $171 and $183 round-trip. Delta is currently priced 68% 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 $104 on Frontier. Other airlines that offer cheap prices include American Airlines from $108 and Delta from $128 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 - Baltimore/Washington or Portland - Washington, D.C. Reagan-National 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 $178. While the most popular route (Portland - Washington, D.C. Dulles Intl) can be booked for $347 on average, our data indicates $908 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, September is the cheapest month in which you can book a flight from Portland to Washington, D.C. (average of $113). Flying from Portland to Washington, D.C. in February is currently the most expensive (average of $243). 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.

See more FAQs

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Tysons
Owings Mills
Springfield
Arlington
Reston
Rockville
Herndon
Fredericksburg
Hyattsville
Manassas
Hanover
Laurel
Falls Church
Waldorf
Silver Spring
Largo
Clinton
Hunt Valley
Cordova

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 7 airlines flying from Portland to Washington, D.C.

Discover the top 7 airlines that operate flights from Portland to Washington, D.C.. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$132Average$302FlexibilityNo cancel feeOn-time62%
DeltaCheapest$138Average$372FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$183Average$480FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$220Average$506FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$229Average$454FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$253Average$427FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$317Average$438FlexibilityNo cancel feeOn-time85%

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