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Washington, D.C.

$100+ 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — WAS
dez 6 — dez 131
sáb 12/6
sáb 12/13
1 adult, Economy
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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”

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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 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 novembro 6, 2025.

This Delta deal was found by Cheapflights users on 11/6. 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.
ter 12/212:32 amPDX - BWI
1 stop7h 15mDelta
qua 12/107:15 amBWI - PDX
1 stop8h 25mDelta
Deal found 11/6$251
This Delta deal was found by Cheapflights users on 11/5. 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.
sáb 12/1310:10 pmPDX - BWI
1 stop8h 08mDelta
seg 12/157:15 amBWI - PDX
2 stops18h 25mDelta
Deal found 11/5$253
This Delta deal was found by Cheapflights users on 11/5. 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.
seg 12/85:05 pmPDX - BWI
1 stop9h 55mDelta
qua 12/1011:39 amBWI - PDX
1 stop9h 04mDelta
Deal found 11/5$254
This United Airlines deal was found by Cheapflights users on 11/5. 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.
qui 12/41:14 pmPDX - BWI
1 stop6h 46mUnited Airlines
qui 12/116:28 pmBWI - PDX
1 stop9h 09mUnited Airlines
Deal found 11/5$257
This United Airlines deal was found by Cheapflights users on 11/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 12/87:43 pmPDX - BWI
1 stop8h 36mUnited Airlines
ter 12/91:10 pmBWI - PDX
2 stops11h 05mUnited Airlines
Deal found 11/4$259
This American Airlines deal was found by Cheapflights users on 11/4. 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.
seg 12/811:59 pmPDX - BWI
2 stops10h 49mAmerican Airlines
qua 12/1011:09 amBWI - PDX
2 stops13h 15mAmerican Airlines
Deal found 11/4$264
This Delta deal was found by Cheapflights users on 11/5. 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.
qui 12/45:15 pmPDX - BWI
2 stops9h 45mDelta
qui 12/116:00 amBWI - PDX
2 stops10h 13mDelta
Deal found 11/5$266
This Delta deal was found by Cheapflights users on 11/4. 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.
qua 12/312:32 amPDX - BWI
1 stop7h 15mDelta
dom 12/76:00 amBWI - PDX
1 stop9h 54mDelta
Deal found 11/4$278
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 11/181:26 pmPDX - BWI
2 stops41h 53mMultiple Airlines
seg 11/245:45 amBWI - PDX
1 stop30h 36mMultiple Airlines
Deal found 11/4$283
This Delta deal was found by Cheapflights users on 11/5. 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.
qua 12/1011:35 amPDX - IAD
1 stop8h 52mDelta
seg 12/1511:06 amIAD - PDX
2 stops14h 34mDelta
Deal found 11/5$291
This CheapOair deal was found by Cheapflights users on 11/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 11/103:26 pmPDX - DCA
1 stop22h 33mFrontier
qui 11/132:00 pmDCA - PDX
1 stop24h 56mFrontier
Deal found 11/4$292
This United Airlines deal was found by Cheapflights users on 11/5. 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.
ter 12/27:43 pmPDX - IAD
1 stop8h 47mUnited Airlines
sáb 12/61:10 pmIAD - PDX
1 stop8h 35mUnited Airlines
Deal found 11/5$292

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 novembro 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$249
(United Airlines)

One-way from

$98
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$457

Good round-trip deal

$377 or less

Good one-way deal

$208 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 ($7 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 November 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 novembro 6, 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

qua 1/14

7:51 pm-7:32 am

1 stop8h 41m

Baltimore/Washington

qui 1/15

4:10 pm-9:12 pm

1 stop8h 02m

$249

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

seg 12/8

12:32 am-10:47 am

1 stop7h 15m

Baltimore/Washington

qua 12/10

11:39 am-5:43 pm

1 stop9h 04m

$251

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

ter 12/2

12:32 am-10:47 am

1 stop7h 15m

Baltimore/Washington

qua 12/10

4:49 pm-10:19 pm

1 stop8h 30m

$251

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

sáb 1/10

7:51 pm-7:07 am

1 stop8h 16m

Baltimore/Washington

qua 1/14

10:05 am-6:10 pm

2 stops11h 05m

$252

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

sáb 12/13

6:10 am-5:14 pm

1 stop8h 04m

Baltimore/Washington

qua 12/17

6:00 am-12:15 am

2 stops21h 15m

$253

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

sex 2/20

5:44 am-6:17 pm

1 stop9h 33m

Baltimore/Washington

ter 3/3

3:22 pm-9:48 pm

1 stop9h 26m

$254

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

sex 12/12

7:09 pm-6:00 am

1 stop7h 51m

Baltimore/Washington

ter 12/16

6:00 am-12:54 pm

1 stop9h 54m

$254

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

seg 1/12

7:51 pm-7:32 am

1 stop8h 41m

Baltimore/Washington

ter 1/20

8:20 am-6:41 pm

2 stops13h 21m

$255

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

sex 12/12

5:15 pm-6:00 am

2 stops9h 45m

Baltimore/Washington

seg 12/15

7:06 pm-8:28 am

2 stops16h 22m

$256

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

ter 3/10

5:05 pm-6:07 am

1 stop10h 02m

Baltimore/Washington

qua 3/11

11:33 am-4:51 pm

1 stop8h 18m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland-Washington, D.C. flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 31, 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 December is currently the most expensive (average of $298). 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 novembro 6, 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 37% 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 novembro 6, 2025.

The most flights from PDX to WAS are scheduled on a Monday (4 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 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 novembro 6, 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
11,241 reviews

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

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
11,241 reviews
Alaska Airlines
8.0
Very good
11,241 reviews

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

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
4,240 reviews
Alaska Airlines
8.0
Very good
11,241 reviews

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

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
8,001 reviews
Alaska Airlines
8.0
Very good
11,241 reviews

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

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
9,003 reviews
Alaska Airlines
8.0
Very good
11,241 reviews

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

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
3,116 reviews
Alaska Airlines
8.0
Very good
11,241 reviews

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

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

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

    United Airlines, Delta, and Alaska Airlines can get you from Portland to Washington, D.C. in just under 7h 15m. Your travel time can differ by up to 9h 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 Frontier. Our recent data shows that you can find tickets from as low as $150 on this airline. Additional options worth looking into are Delta and Alaska Airlines, starting at $220 and $257 round-trip. Frontier is currently priced 65% 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 $125 on Alaska Airlines. Other airlines that offer cheap prices include Delta from $126 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. Reagan-National, Portland - Washington, D.C. Dulles Intl 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 $178. While the most popular route (Portland - Washington, D.C. Reagan-National) can be booked for $219 on average, our data indicates $423 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 December is currently the most expensive (average of $298). 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
Woodbridge
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Waldorf
Bowie
Largo
McLean

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 novembro 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$89Average$257FlexibilityNo cancel feeOn-time65%
FrontierCheapest$132Average$275FlexibilityNo cancel feeOn-time62%
DeltaCheapest$220Average$385FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$236Average$462FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$242Average$466FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$257Average$511FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$299Average$512FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$306Average$473FlexibilityNo cancel feeOn-time63%

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