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Washington, D.C.

$94+ 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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — WAS
May 18 — May 251
Sun 5/18
Sun 5/25
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Washington, D.C. are usually found in August or February, booked 16 days in advance, depart on a Friday or Wednesday and return on a Wednesday

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 May 13, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$237
(Delta)

One-way from

$94
(Cheapflightsfares)

Popular in

March

Cheapest in

August

Average price

$431

Good round-trip deal

$396 or less

Good one-way deal

$206 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. 3% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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

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 May 13, 2025.

This Delta deal was found by Cheapflights users on 5/12. 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.
Mon 7/2812:46 amPDX - BWI
1 stop7h 04mDelta
Thu 8/146:00 amBWI - PDX
1 stop7h 39mDelta
Deal found 5/12$237
This FlightHub deal was found by Cheapflights users on 5/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/286:39 pmPDX - BWI
1 stop8h 04mSpirit Airlines
Thu 7/38:00 amBWI - PDX
2 stops12h 44mSpirit Airlines
Deal found 5/12$238
This CheapOair deal was found by Cheapflights users on 5/12. 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.
Fri 8/82:55 pmPDX - BWI
1 stop11h 25mMultiple Airlines
Sat 8/165:20 pmBWI - PDX
1 stop9h 04mMultiple Airlines
Deal found 5/12$247
This CheapOair deal was found by Cheapflights users on 5/12. 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.
Tue 6/106:35 amPDX - DCA
1 stop12h 24mFrontier
Tue 6/177:00 amDCA - PDX
1 stop19h 28mFrontier
Deal found 5/12$249
This Frontier deal was found by Cheapflights users on 5/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/251:50 pmPDX - IAD
1 stop13h 05mFrontier
Thu 5/297:25 amIAD - PDX
1 stop8h 40mFrontier
Deal found 5/12$250
This FlightHub deal was found by Cheapflights users on 5/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1811:00 amPDX - IAD
1 stop16h 34mMultiple Airlines
Thu 8/2112:45 pmIAD - PDX
1 stop7h 51mMultiple Airlines
Deal found 5/12$283
This Sun Country Air deal was found by Cheapflights users on 5/12. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/176:28 pmPDX - IAD
1 stop14h 15mSun Country Air
Mon 6/3012:28 pmIAD - PDX
1 stop13h 18mSun Country Air
Deal found 5/12$285
This Hawaiian Airlines deal was found by Cheapflights users on 5/12. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/88:00 amPDX - DCA
Nonstop5h 04mHawaiian Airlines
Sat 11/155:10 pmDCA - PDX
Nonstop5h 57mHawaiian Airlines
Deal found 5/12$297
This CheapOair deal was found by Cheapflights users on 5/12. 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.
Thu 5/225:45 pmPDX - BWI
1 stop19h 43mFrontier
Mon 5/265:23 pmBWI - PDX
1 stop9h 54mFrontier
Deal found 5/12$300
This American Airlines deal was found by Cheapflights users on 5/12. 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.
Mon 8/1111:59 pmPDX - BWI
1 stop9h 43mAmerican Airlines
Fri 8/158:15 amBWI - PDX
2 stops11h 35mAmerican Airlines
Deal found 5/12$303
This Alaska Airlines deal was found by Cheapflights users on 5/12. 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 9/247:23 amPDX - DCA
1 stop11h 36mAlaska Airlines
Sat 9/276:59 pmDCA - PDX
1 stop17h 48mAlaska Airlines
Deal found 5/12$316
This Hawaiian Airlines deal was found by Cheapflights users on 5/13. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/248:37 pmPDX - IAD
1 stop7h 55mHawaiian Airlines
Tue 9/307:00 amIAD - PDX
1 stop8h 24mHawaiian Airlines
Deal found 5/13$316

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 May 13, 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

Mon 7/28

12:46 am-10:50 am

1 stop7h 04m

Baltimore/Washington

Thu 8/14

6:00 am-10:39 am

1 stop7h 39m

$237

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Sat 6/28

6:39 pm-5:43 am

1 stop8h 04m

Baltimore/Washington

Thu 7/3

8:00 am-5:44 pm

2 stops12h 44m

$238

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Fri 8/8

2:55 pm-5:20 am

1 stop11h 25m

Baltimore/Washington

Sat 8/16

5:20 pm-11:24 pm

1 stop9h 04m

$247

PortlandWashington, D.C.

PDX - DCA

PDXDCA

Portland

Tue 6/10

6:35 am-9:59 pm

1 stop12h 24m

Washington, D.C. Reagan-National

Tue 6/17

7:00 am-11:28 pm

1 stop19h 28m

$249

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Sun 5/25

1:50 pm-5:55 am

1 stop13h 05m

Washington, D.C. Dulles Intl

Thu 5/29

7:25 am-1:05 pm

1 stop8h 40m

$250

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Mon 8/18

11:00 am-6:34 am

1 stop16h 34m

Washington, D.C. Dulles Intl

Thu 8/21

12:45 pm-5:36 pm

1 stop7h 51m

$283

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Tue 6/17

6:28 pm-11:43 am

1 stop14h 15m

Washington, D.C. Dulles Intl

Mon 6/30

12:28 pm-10:46 pm

1 stop13h 18m

$285

PortlandWashington, D.C.

PDX - DCA

PDXDCA

Portland

Sat 11/8

8:00 am-4:04 pm

Nonstop5h 04m

Washington, D.C. Reagan-National

Sat 11/15

5:10 pm-8:07 pm

Nonstop5h 57m

$297

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Fri 5/23

6:35 am-4:28 pm

1 stop6h 53m

Baltimore/Washington

Mon 5/26

5:23 pm-12:17 am

1 stop9h 54m

$300

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Mon 8/11

11:59 pm-12:42 pm

1 stop9h 43m

Baltimore/Washington

Fri 8/15

8:15 am-4:50 pm

2 stops11h 35m

$303

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

Showing 1-10 of 52 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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
PricelinePrice 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 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 May 9, 2025.

The best time to book flights from Portland to Washington, D.C. is 16 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, August is the cheapest month in which you can book a flight from Portland to Washington, D.C. (average of $309). Flying from Portland to Washington, D.C. in June is currently the most expensive (average of $371). 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 May 13, 2025.

A simple way to save on the total cost of your ticket is to fly from Portland to Washington, D.C. at noon. If you’re flexible enough to do this you can expect to save up to 55% 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 May 11, 2025.

Travelers seeking maximum savings on their Portland to Washington, D.C. flight should consider departing on Saturday afternoons when fares are most often at their lowest. Sunday mornings 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 May 13, 2025.

The most flights from PDX to WAS are scheduled on a Monday (5 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

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

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

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

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 May 13, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Portland to Washington, D.C. have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,290 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,949 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,434 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,726 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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 $237 on this airline. Additional options worth looking into are Spirit Airlines and Frontier, starting at $238 and $249 round-trip. Delta is currently priced 45% 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 $94 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $100 and Delta from $119 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 $168. While the most popular route (Portland - Washington, D.C. Reagan-National) can be booked for $239 on average our data indicates $1,012 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, August is the cheapest month in which you can book a flight from Portland to Washington, D.C. (average of $309). Flying from Portland to Washington, D.C. in June is currently the most expensive (average of $371). 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 Portland?

Book flights to Portland if you plan to visit one of these locations
Alexandria
Arlington
Woodbridge
Tysons
Springfield
Fairfax
Silver Spring
Fredericksburg
Rockville
Linthicum Heights
Gaithersburg
Falls Church
Laurel
Easton
Towson
Herndon
Bowie
National Harbor
Reston
Manassas

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 May 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$51Average$200FlexibilityNo cancel feeOn-time65%
FrontierCheapest$70Average$265FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$179Average$548FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$236Average$520FlexibilityNo cancel feeOn-time69%
DeltaCheapest$297Average$451FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$298Average$482FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$336Average$558FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$353Average$519FlexibilityNo cancel feeOn-time63%

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