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Washington, D.C.

$112+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — WAS
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
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 June 30, 2025.

Round-trip from

$238
(FlightHub)

One-way from

$112
(Mytrip)

Popular in

March

Cheapest in

August

Average price

$446

Good round-trip deal

$282 or less

Good one-way deal

$188 or less
From Portland to Washington, D.C. (WAS)
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One-way flight from Portland to Washington, D.C. (WAS)
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Highest demand for flights based on searches. 2% potential increase in price ($9 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Portland to Washington, D.C. (WAS).
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Price to beat on a one-way flight from Portland to Washington, D.C. (WAS).
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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 June 30, 2025.

This FlightHub deal was found by Cheapflights users on 6/29. 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.
Tue 9/3012:07 pmPDX - BWI
1 stop14h 17mSpirit Airlines
Mon 10/68:15 amBWI - PDX
1 stop13h 49mSpirit Airlines
Deal found 6/29$238
This FlightHub deal was found by Cheapflights users on 6/30. 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.
Thu 8/286:27 amPDX - BWI
1 stop8h 17mMultiple Airlines
Sun 8/318:09 amBWI - PDX
1 stop13h 48mMultiple Airlines
Deal found 6/30$247
This CheapOair deal was found by Cheapflights users on 6/29. 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.
Wed 8/66:35 amPDX - BWI
1 stop6h 56mFrontier
Wed 8/136:31 pmBWI - PDX
2 stops32h 45mFrontier
Deal found 6/29$259
This Frontier deal was found by Cheapflights users on 6/30. 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.
Wed 7/26:35 amPDX - DCA
1 stop12h 24mFrontier
Tue 7/81:00 pmDCA - PDX
1 stop13h 24mFrontier
Deal found 6/30$308
This Cheapflightsfares deal was found by Cheapflights users on 6/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2111:59 pmPDX - IAD
1 stop8h 44mSun Country Air
Sun 7/2712:40 pmIAD - PDX
1 stop13h 06mSun Country Air
Deal found 6/28$309
This Frontier deal was found by Cheapflights users on 6/29. 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.
Thu 7/315:50 pmPDX - IAD
2 stops18h 39mFrontier
Thu 8/72:44 pmIAD - PDX
2 stops12h 32mFrontier
Deal found 6/29$310
This Expedia deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/57:04 amPDX - IAD
1 stop9h 15mMultiple Airlines
Thu 8/72:44 pmIAD - PDX
2 stops12h 32mMultiple Airlines
Deal found 6/28$311
This Orbitz deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:05 amPDX - DCA
1 stop8h 09mMultiple Airlines
Sun 9/75:49 pmDCA - PDX
Nonstop5h 41mMultiple Airlines
Deal found 6/29$312
This Hawaiian Airlines deal was found by Cheapflights users on 6/30. 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.
Mon 9/158:37 pmPDX - IAD
1 stop7h 56mHawaiian Airlines
Thu 9/186:09 pmIAD - PDX
1 stop9h 06mHawaiian Airlines
Deal found 6/30$316
This Delta deal was found by Cheapflights users on 6/30. 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 9/1212:45 amPDX - DCA
1 stop7h 12mDelta
Mon 9/155:21 pmDCA - PDX
1 stop9h 31mDelta
Deal found 6/30$317
This United Airlines deal was found by Cheapflights users on 6/30. 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.
Sat 8/162:12 pmPDX - IAD
1 stop7h 18mUnited Airlines
Sat 8/233:48 pmIAD - PDX
1 stop8h 13mUnited Airlines
Deal found 6/30$317
This Hawaiian Airlines deal was found by Cheapflights users on 6/29. 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.
Tue 8/268:00 amPDX - DCA
Nonstop5h 06mHawaiian Airlines
Sun 8/315:49 pmDCA - PDX
Nonstop5h 41mHawaiian Airlines
Deal found 6/29$318

Cheapflights Fare Finder

Customize your flight search to find flights from Portland to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 30, 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

Tue 9/30

12:07 pm-5:24 am

1 stop14h 17m

Baltimore/Washington

Mon 10/6

8:15 am-7:04 pm

1 stop13h 49m

$238

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Thu 8/28

6:27 am-5:44 pm

1 stop8h 17m

Baltimore/Washington

Sun 8/31

8:09 am-6:57 pm

1 stop13h 48m

$247

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Wed 8/6

6:35 am-4:31 pm

1 stop6h 56m

Baltimore/Washington

Wed 8/13

6:31 pm-12:16 am

2 stops32h 45m

$259

PortlandWashington, D.C.

PDX - DCA

PDXDCA

Portland

Thu 7/3

5:50 pm-12:00 pm

1 stop15h 10m

Washington, D.C. Reagan-National

Thu 7/10

1:00 pm-12:16 am

1 stop14h 16m

$308

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Mon 7/21

11:59 pm-11:43 am

1 stop8h 44m

Washington, D.C. Dulles Intl

Sun 7/27

12:40 pm-10:46 pm

1 stop13h 06m

$309

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Thu 7/31

5:50 pm-3:29 pm

2 stops18h 39m

Washington, D.C. Dulles Intl

Thu 8/7

2:44 pm-12:16 am

2 stops12h 32m

$310

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Tue 8/5

7:04 am-7:19 pm

1 stop9h 15m

Washington, D.C. Dulles Intl

Thu 8/7

2:44 pm-12:16 am

2 stops12h 32m

$311

PortlandWashington, D.C.

PDX - DCA

PDXDCA

Portland

Thu 9/4

6:05 am-5:14 pm

1 stop8h 09m

Washington, D.C. Reagan-National

Sun 9/7

5:49 pm-8:30 pm

Nonstop5h 41m

$312

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Mon 9/15

8:37 pm-7:33 am

1 stop7h 56m

Washington, D.C. Dulles Intl

Thu 9/18

6:09 pm-12:15 am

1 stop9h 06m

$316

PortlandWashington, D.C.

PDX - DCA

PDXDCA

Portland

Fri 9/12

12:45 am-10:57 am

1 stop7h 12m

Washington, D.C. Reagan-National

Mon 9/15

5:21 pm-11:52 pm

1 stop9h 31m

$317

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 41 results
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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 June 27, 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 July is currently the most expensive (average of $345). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PDX to WAS?

Find hourly flight availability from Portland to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 30, 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 56% 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 June 29, 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 June 30, 2025.

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

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

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated June 30, 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
10,000 reviews

Comfort

7.8

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

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

Comfort

7.8

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

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
4,278 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

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
7,973 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,529 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

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
8,852 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

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 4 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 Spirit Airlines. Our recent data shows that you can find tickets from as low as $238 on this airline. Additional options worth looking into are Frontier and Sun Country Air, starting at $259 and $309 round-trip. Spirit Airlines 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 $112 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $126 and Southwest from $149 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 $261 on average our data indicates $882 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 July is currently the most expensive (average of $345). 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
Arlington
Woodbridge
Alexandria
Tysons
Silver Spring
Fredericksburg
Linthicum Heights
Gaithersburg
Fairfax
Easton
Towson
Waldorf
Laurel
Falls Church
Rockville
Springfield
National Harbor
Manassas
Dundalk
Bowie

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 June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$70Average$249FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$95Average$200FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$236Average$505FlexibilityNo cancel feeOn-time69%
DeltaCheapest$249Average$421FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$298Average$466FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$299Average$538FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$337Average$557FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$353Average$531FlexibilityNo cancel feeOn-time63%

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