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Washington, D.C.

$99+ 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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — WAS
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Washington, D.C. are usually found in February or January, booked 86 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Find 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 16, 2025.

This Delta deal was found by Cheapflights users on 10/15. 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 12/37:30 pmPDX - BWI
2 stops12h 17mDelta
Wed 12/1011:39 amBWI - PDX
2 stops10h 11mDelta
Deal found 10/15$256
This United Airlines deal was found by Cheapflights users on 10/13. 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.
Thu 11/133:54 pmPDX - BWI
1 stop10h 46mUnited Airlines
Sun 11/166:35 pmBWI - PDX
1 stop8h 51mUnited Airlines
Deal found 10/13$257
This United Airlines deal was found by Cheapflights users on 10/15. 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.
Fri 11/711:59 pmPDX - BWI
1 stop7h 00mUnited Airlines
Wed 11/1210:10 amBWI - PDX
2 stops11h 26mUnited Airlines
Deal found 10/15$259
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Fri 11/77:38 pmPDX - BWI
2 stops11h 21mUnited Airlines
Mon 11/106:15 amBWI - PDX
1 stop8h 33mUnited Airlines
Deal found 10/14$262
This Southwest deal was found by Cheapflights users on 10/16. 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 11/185:55 amPDX - BWI
2 stops8h 05mSouthwest
Thu 11/206:15 amBWI - PDX
1 stop15h 00mSouthwest
Deal found 10/16$265
This Alaska Airlines deal was found by Cheapflights users on 10/16. 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.
Sun 11/96:00 amPDX - BWI
1 stop9h 16mAlaska Airlines
Sat 11/157:38 amBWI - PDX
1 stop8h 00mAlaska Airlines
Deal found 10/16$268
This Delta deal was found by Cheapflights users on 10/16. 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 11/810:10 pmPDX - BWI
1 stop8h 12mDelta
Mon 11/104:49 pmBWI - PDX
1 stop8h 32mDelta
Deal found 10/16$269
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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.
Sun 11/97:30 amPDX - BWI
1 stop7h 46mAlaska Airlines
Mon 11/107:16 pmBWI - PDX
1 stop7h 53mAlaska Airlines
Deal found 10/15$271
This Delta deal was found by Cheapflights users on 10/14. 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 12/2512:00 pmPDX - BWI
1 stop8h 31mDelta
Fri 1/26:00 amBWI - PDX
1 stop7h 49mDelta
Deal found 10/14$272
This Delta deal was found by Cheapflights users on 10/13. 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 11/810:10 pmPDX - BWI
1 stop10h 01mDelta
Sat 11/156:00 amBWI - PDX
2 stops10h 18mDelta
Deal found 10/13$273
This Delta deal was found by Cheapflights users on 10/16. 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 11/81:55 pmPDX - BWI
1 stop6h 54mDelta
Fri 11/147:15 amBWI - PDX
1 stop8h 19mDelta
Deal found 10/16$275
This Southwest deal was found by Cheapflights users on 10/16. 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.
Sun 11/97:10 pmPDX - BWI
1 stop7h 35mSouthwest
Thu 11/135:40 pmBWI - PDX
1 stop9h 35mSouthwest
Deal found 10/16$278

Cheap 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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$256
(Delta)

One-way from

$99
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$407

Good round-trip deal

$334 or less

Good one-way deal

$178 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. 1% potential increase in price ($6 potential increase over avg. RT price).
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 2025
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 October 16, 2025.
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 12/3

7:30 pm-10:47 am

2 stops12h 17m

Baltimore/Washington

Wed 12/10

6:00 am-3:33 pm

2 stops12h 33m

$256

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Wed 11/12

7:00 am-5:14 pm

1 stop7h 14m

Baltimore/Washington

Wed 11/19

10:10 am-6:36 pm

2 stops11h 26m

$256

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Tue 1/13

11:05 am-10:05 pm

1 stop8h 00m

Baltimore/Washington

Thu 1/15

12:45 pm-10:05 pm

1 stop12h 20m

$259

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Tue 1/13

7:45 am-11:15 pm

2 stops12h 30m

Baltimore/Washington

Thu 1/15

5:18 pm-10:32 pm

1 stop8h 14m

$259

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Sat 1/24

8:30 am-9:41 pm

2 stops10h 11m

Baltimore/Washington

Wed 1/28

10:05 am-6:10 pm

2 stops11h 05m

$261

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Fri 12/5

6:15 am-7:30 pm

2 stops10h 15m

Baltimore/Washington

Mon 12/8

12:40 pm-7:20 pm

1 stop9h 40m

$262

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Sun 11/9

11:59 pm-9:59 am

1 stop7h 00m

Baltimore/Washington

Thu 11/13

10:56 am-6:36 pm

2 stops10h 40m

$262

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Sun 11/9

6:00 am-6:16 pm

1 stop9h 16m

Baltimore/Washington

Sat 11/15

7:38 am-12:38 pm

1 stop8h 00m

$268

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Sat 11/8

10:10 pm-11:11 am

1 stop10h 01m

Baltimore/Washington

Fri 11/14

7:15 am-12:34 pm

1 stop8h 19m

$269

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Sat 11/8

1:55 pm-11:49 pm

1 stop6h 54m

Baltimore/Washington

Sun 11/16

6:00 am-12:48 pm

1 stop9h 48m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 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.

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 October 10, 2025.

The best time to book flights from Portland to Washington, D.C. is 86 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 $305). 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 October 16, 2025.

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 29% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Portland to Washington, D.C.?

Use this chart to determine the cheapest time to fly round-trip from Portland to Washington, D.C.. Price data was last updated on September 14, 2025.

Travelers seeking maximum savings on their Portland to Washington, D.C. flight should consider departing on Sunday at noon when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 16, 2025.

The most flights from PDX to WAS are scheduled on a Monday (5 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

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 October 16, 2025.
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
11,102 reviews

Food

7.1

Boarding

8.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,102 reviews
Alaska Airlines
8.0
Very good
11,102 reviews

Food

7.1

Boarding

8.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Southwest
8.0
Very good
4,241 reviews
Alaska Airlines
8.0
Very good
11,102 reviews

Food

7.1

Boarding

8.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
7.9
Good
7,980 reviews
Alaska Airlines
8.0
Very good
11,102 reviews

Food

7.1

Boarding

8.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
8,982 reviews
Alaska Airlines
8.0
Very good
11,102 reviews

Food

7.1

Boarding

8.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Frontier
5.8
Fair
3,137 reviews
Alaska Airlines
8.0
Very good
11,102 reviews

Food

7.1

Boarding

8.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a 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 are 4 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 Southwest can get you from Portland to Washington, D.C. in just under 7h 14m. Your travel time can differ by up to 5h 03m. 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 $154 on this airline. Additional options worth looking into are Delta and American Airlines, starting at $220 and $298 round-trip. Frontier is currently priced 64% 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 $121 on United Airlines. Other airlines that offer cheap prices include Alaska Airlines from $125 and Southwest from $169 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 $134. While the most popular route (Portland - Washington, D.C. Dulles Intl) can be booked for $277 on average, our data indicates $596 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 $305). 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
Arlington
Tysons
Springfield
Silver Spring
Hanover
Gaithersburg
Fredericksburg
Fairfax
Linthicum Heights
Falls Church
Owings Mills
Manassas
Largo
Oxon Hill
Laurel
Towson
National Harbor
Waldorf

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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$89Average$259FlexibilityNo cancel feeOn-time65%
FrontierCheapest$132Average$277FlexibilityNo cancel feeOn-time62%
DeltaCheapest$220Average$387FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$236Average$426FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$242Average$471FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$299Average$512FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$312Average$551FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$318Average$502FlexibilityNo cancel feeOn-time63%

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