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Washington, D.C.

$86+ 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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — WAS
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
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

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Cheapflights Tip: The best prices from Portland to Washington, D.C. are usually found in February or August, booked 38 days in advance, depart on a Wednesday or Thursday 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 February 4, 2026.

This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/181:53 pm
PDX
-
BWI
1 stop6h 54m
Delta
Tue 2/242:58 pm
BWI
-
PDX
1 stop8h 32m
Delta
Deal found 2/2$217
This Southwest deal was found by Cheapflights users on 2/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/217:15 am
PDX
-
BWI
2 stops8h 00m
Southwest
Tue 2/247:55 am
BWI
-
PDX
1 stop10h 50m
Southwest
Deal found 2/3$222
This United Airlines deal was found by Cheapflights users on 2/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/31:18 pm
PDX
-
BWI
1 stop7h 07m
United Airlines
Tue 3/104:03 pm
BWI
-
PDX
1 stop8h 07m
United Airlines
Deal found 2/3$237
This United Airlines deal was found by Cheapflights users on 2/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/31:18 pm
PDX
-
BWI
1 stop7h 07m
United Airlines
Mon 3/96:31 pm
BWI
-
PDX
1 stop9h 04m
United Airlines
Deal found 2/3$243
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/101:39 pm
PDX
-
BWI
1 stop7h 05m
Delta
Wed 2/186:05 am
BWI
-
PDX
1 stop9h 39m
Delta
Deal found 2/3$247
This United Airlines deal was found by Cheapflights users on 2/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:14 pm
PDX
-
BWI
2 stops13h 23m
United Airlines
Wed 4/224:18 pm
BWI
-
PDX
1 stop7h 56m
United Airlines
Deal found 2/3$248
This United Airlines deal was found by Cheapflights users on 2/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/97:49 pm
PDX
-
BWI
1 stop8h 30m
United Airlines
Wed 3/114:03 pm
BWI
-
PDX
1 stop8h 07m
United Airlines
Deal found 2/2$249
This Southwest deal was found by Cheapflights users on 2/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/128:45 pm
PDX
-
BWI
1 stop11h 50m
Southwest
Wed 2/184:15 pm
BWI
-
PDX
1 stop9h 20m
Southwest
Deal found 2/3$252
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1812:30 am
PDX
-
BWI
1 stop7h 15m
Delta
Tue 3/242:59 pm
BWI
-
PDX
1 stop8h 26m
Delta
Deal found 2/3$257
This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/179:45 pm
PDX
-
BWI
1 stop8h 38m
Delta
Sat 2/216:05 am
BWI
-
PDX
1 stop9h 39m
Delta
Deal found 2/2$268
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/65:30 am
PDX
-
DCA
1 stop6h 50m
Delta
Mon 3/93:10 pm
DCA
-
PDX
1 stop8h 15m
Delta
Deal found 2/3$277
This Alaska Airlines deal was found by Cheapflights users on 2/4. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/61:36 pm
PDX
-
IAD
1 stop13h 04m
Alaska Airlines
Sun 3/86:20 pm
IAD
-
PDX
1 stop18h 30m
Alaska Airlines
Deal found 2/4$277

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 February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$217
(Delta)

One-way from

$86
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$356

Good round-trip deal

$317 or less

Good one-way deal

$218 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. 2% potential increase in price ($9 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 4, 2026.
Use the filters below to find and compare flights from Portland to Washington, D.C. that are best for you.

Fly from

Portland

Fly to

Washington, D.C.

Route

Depart

Return

Price

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Wed 2/18

9:45 pm-9:23 am

1 stop8h 38m

Baltimore/Washington

Mon 2/23

4:45 pm-10:08 pm

1 stop8h 23m

$217

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Tue 2/17

9:45 pm-9:23 am

1 stop8h 38m

Baltimore/Washington

Sun 2/22

6:04 am-12:44 pm

1 stop9h 40m

$217

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Wed 2/18

9:45 pm-9:23 am

1 stop8h 38m

Baltimore/Washington

Sun 2/22

6:04 am-12:44 pm

1 stop9h 40m

$217

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Wed 2/18

1:53 pm-11:47 pm

1 stop6h 54m

Baltimore/Washington

Wed 2/25

7:05 am-12:25 pm

1 stop8h 20m

$217

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Wed 2/18

1:53 pm-11:47 pm

1 stop6h 54m

Baltimore/Washington

Tue 2/24

2:58 pm-8:30 pm

1 stop8h 32m

$217

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Wed 2/11

1:53 pm-11:26 pm

1 stop6h 33m

Baltimore/Washington

Wed 2/18

6:05 am-12:44 pm

1 stop9h 39m

$247

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Tue 2/10

9:45 pm-9:24 am

1 stop8h 39m

Baltimore/Washington

Fri 2/20

6:05 am-12:44 pm

1 stop9h 39m

$247

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Tue 3/17

7:15 pm-5:51 am

1 stop7h 36m

Baltimore/Washington

Tue 3/24

2:59 pm-8:25 pm

1 stop8h 26m

$247

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Sun 5/3

11:55 pm-10:04 am

1 stop7h 09m

Baltimore/Washington

Sun 5/10

6:45 pm-11:50 pm

1 stop8h 05m

$249

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Mon 3/30

11:15 pm-10:30 am

1 stop8h 15m

Baltimore/Washington

Tue 4/7

2:38 pm-10:08 pm

1 stop10h 30m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 60 results
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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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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.

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

Use this chart to determine the optimal time to book a round-trip flight from Portland to Washington, D.C.. Price data was last updated on January 30, 2026.

The best time to book flights from Portland to Washington, D.C. is 38 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.

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

Currently, April is the cheapest month in which you can book a flight from Portland to Washington, D.C. (average of $89). Flying from Portland to Washington, D.C. in March is currently the most expensive (average of $276). 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 February 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 February 4, 2026.

The most flights from PDX to WAS are scheduled on a Tuesday (4 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (1 on average).

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.

Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $257.

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 Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 7h 24m.

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 Denver (DEN) offer the fastest connection on this route, with an average layover time of 1h 29m.

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 February 4, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta 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.
Alaska Airlines
8.0
Very good
11,839 reviews

Food

7.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,839 reviews
Alaska Airlines
8.0
Very good
11,839 reviews

Food

7.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Southwest
8.0
Very good
4,274 reviews
Alaska Airlines
8.0
Very good
11,839 reviews

Food

7.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,145 reviews
Alaska Airlines
8.0
Very good
11,839 reviews

Food

7.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,236 reviews
Alaska Airlines
8.0
Very good
11,839 reviews

Food

7.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Frontier
5.7
Fair
3,052 reviews
Alaska Airlines
8.0
Very good
11,839 reviews

Food

7.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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 are 2 daily outbound flights to Washington, D.C. from 8 different airlines.

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

    Delta, United Airlines, and Alaska Airlines can get you from Portland to Washington, D.C. in just under 8h 38m. Your travel time can differ by up to 2h 10m. 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 Frontier. Our recent data shows that you can find tickets from as low as $160 on this airline. Additional options worth looking into are Delta and Hawaiian Airlines, starting at $168 and $199 round-trip. Frontier is currently priced 62% 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 $99 on Frontier. Other airlines that offer cheap prices include American Airlines from $108 and Delta from $118 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 $168. While the most popular route (Portland - Washington, D.C. Dulles Intl) can be booked for $257 on average, our data indicates $463 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, April is the cheapest month in which you can book a flight from Portland to Washington, D.C. (average of $89). Flying from Portland to Washington, D.C. in March is currently the most expensive (average of $276). 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
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Upper Marlboro
Manassas
Largo
Bowie
McLean
Clinton

Browse thousands of different options on Cheapflights for your next trip

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Top 8 airlines flying from Portland to Washington, D.C.

Discover the top 8 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 February 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$89Average$229FlexibilityNo cancel feeOn-time65%
FrontierCheapest$111Average$266FlexibilityNo cancel feeOn-time62%
DeltaCheapest$168Average$369FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$199Average$498FlexibilityNo cancel feeOn-time85%
American AirlinesCheapest$236Average$461FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$236Average$428FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$253Average$502FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$266Average$462FlexibilityNo cancel feeOn-time63%

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