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Washington, D.C.

$110+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — WAS
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$232
(KAYAK)

One-way from

$110
(FlightHub)

Popular in

March

Cheapest in

August

Average price

$420

Good round-trip deal

$390 or less

Good one-way deal

$193 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 ($13 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 junio 12, 2025.

This KAYAK deal was found by Cheapflights users on 6/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/303:10 pmPDX - BWI
1 stop11h 55mSpirit Airlines
mar. 8/198:00 amBWI - PDX
1 stop8h 30mSpirit Airlines
Deal found 6/11$232
This Priceline deal was found by Cheapflights users on 6/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/196:05 amPDX - BWI
1 stop8h 59mMultiple Airlines
dom. 9/218:00 amBWI - PDX
1 stop8h 30mMultiple Airlines
Deal found 6/10$247
This CheapOair deal was found by Cheapflights users on 6/10. 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.
sáb. 9/136:05 amPDX - DCA
1 stop12h 54mFrontier
lun. 9/156:00 pmDCA - PDX
1 stop9h 16mFrontier
Deal found 6/10$270
This JetBlue deal was found by Cheapflights users on 6/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/711:40 pmPDX - DCA
1 stop8h 19mJetBlue
vie. 7/113:45 pmDCA - PDX
1 stop9h 30mJetBlue
Deal found 6/10$279
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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.
lun. 9/159:30 pmPDX - IAD
1 stop7h 02mHawaiian Airlines
jue. 9/186:09 pmIAD - PDX
1 stop7h 35mHawaiian Airlines
Deal found 6/10$296
This Delta deal was found by Cheapflights users on 6/10. 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.
mié. 9/245:30 amPDX - DCA
1 stop7h 05mDelta
mar. 10/216:00 amDCA - PDX
1 stop7h 39mDelta
Deal found 6/10$297
This Delta deal was found by Cheapflights users on 6/11. 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.
mar. 8/512:40 amPDX - IAD
1 stop7h 14mDelta
mié. 8/137:35 amIAD - PDX
1 stop8h 20mDelta
Deal found 6/11$297
This American Airlines deal was found by Cheapflights users on 6/10. 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.
lun. 8/411:07 pmPDX - DCA
1 stop9h 25mAmerican Airlines
mar. 8/121:41 pmDCA - PDX
1 stop8h 11mAmerican Airlines
Deal found 6/10$299
This American Airlines deal was found by Cheapflights users on 6/10. 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.
lun. 8/45:30 amPDX - IAD
1 stop9h 08mAmerican Airlines
mar. 8/126:27 amIAD - PDX
1 stop9h 27mAmerican Airlines
Deal found 6/10$299
This Southwest deal was found by Cheapflights users on 6/10. 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.
mar. 10/2110:30 amPDX - DCA
2 stops9h 25mSouthwest
lun. 10/274:45 pmDCA - PDX
1 stop10h 30mSouthwest
Deal found 6/10$302
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
mar. 9/99:30 pmPDX - DCA
1 stop20h 29mAlaska Airlines
sáb. 9/135:49 pmDCA - PDX
Nonstop5h 41mAlaska Airlines
Deal found 6/10$303
This Sun Country Air deal was found by Cheapflights users on 6/10. 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.
jue. 8/286:30 pmPDX - BWI
1 stop12h 27mSun Country Air
lun. 9/112:29 pmBWI - PDX
1 stop7h 19mSun Country Air
Deal found 6/10$305

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 junio 12, 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

mié. 7/30

3:10 pm-6:05 am

1 stop11h 55m

Baltimore/Washington

mar. 8/19

8:00 am-1:30 pm

1 stop8h 30m

$232

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

vie. 9/19

6:05 am-6:04 pm

1 stop8h 59m

Baltimore/Washington

dom. 9/21

8:00 am-1:30 pm

1 stop8h 30m

$247

PortlandWashington, D.C.

PDX - DCA

PDXDCA

Portland

lun. 7/7

11:40 pm-10:59 am

1 stop8h 19m

Washington, D.C. Reagan-National

vie. 7/11

3:45 pm-10:15 pm

1 stop9h 30m

$279

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

mié. 8/6

7:00 am-7:19 pm

1 stop9h 19m

Washington, D.C. Dulles Intl

mié. 8/13

6:30 am-12:20 pm

1 stop8h 50m

$296

PortlandWashington, D.C.

PDX - DCA

PDXDCA

Portland

mié. 8/13

6:00 am-6:15 pm

1 stop9h 15m

Washington, D.C. Reagan-National

mar. 8/19

6:35 pm-10:45 pm

1 stop7h 10m

$297

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

mar. 8/5

12:40 am-10:54 am

1 stop7h 14m

Washington, D.C. Dulles Intl

mar. 8/12

7:35 am-2:38 pm

1 stop10h 03m

$297

PortlandWashington, D.C.

PDX - DCA

PDXDCA

Portland

lun. 8/4

11:07 pm-11:32 am

1 stop9h 25m

Washington, D.C. Reagan-National

mar. 8/12

1:41 pm-6:52 pm

1 stop8h 11m

$299

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

lun. 8/4

5:30 am-5:38 pm

1 stop9h 08m

Washington, D.C. Dulles Intl

mar. 8/12

6:27 am-12:54 pm

1 stop9h 27m

$299

PortlandWashington, D.C.

PDX - DCA

PDXDCA

Portland

mar. 9/9

9:30 pm-8:59 pm

1 stop20h 29m

Washington, D.C. Reagan-National

sáb. 9/13

5:49 pm-8:30 pm

Nonstop5h 41m

$303

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

jue. 8/28

6:30 pm-9:57 am

1 stop12h 27m

Baltimore/Washington

lun. 9/1

12:29 pm-4:48 pm

1 stop7h 19m

$305

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 55 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 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 $241). Flying from Portland to Washington, D.C. in March is currently the most expensive (average of $290). 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 junio 12, 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 June 8, 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 junio 12, 2025.

The most flights from PDX to WAS are scheduled on a Monday (5 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 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 junio 12, 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

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

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

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

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
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

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
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

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.

  • How popular is this Portland to Washington, D.C. flight route?

    The Portland to Washington, D.C. flight path was viewed by 3 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • 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 $232 on this airline. Additional options worth looking into are Frontier and JetBlue, starting at $260 and $279 round-trip. Spirit Airlines is currently priced 46% 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 $110 on Spirit Airlines. Other airlines that offer cheap prices include Southwest from $149 and Sun Country Air from $153 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 $87. While the most popular route (Portland - Washington, D.C. Reagan-National) can be booked for $279 on average our data indicates $338 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 $241). Flying from Portland to Washington, D.C. in March is currently the most expensive (average of $290). 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
Alexandria
Woodbridge
Tysons
Silver Spring
Linthicum Heights
Fredericksburg
Gaithersburg
Fairfax
Falls Church
Easton
Herndon
Towson
Bowie
Rockville
Reston
National Harbor
Springfield
Manassas
Dundalk

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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$70Average$248FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$97Average$211FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$236Average$510FlexibilityNo cancel feeOn-time69%
DeltaCheapest$269Average$436FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$298Average$482FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$299Average$533FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$337Average$555FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$353Average$503FlexibilityNo cancel feeOn-time63%

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