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Washington, D.C.

$84+ 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
Aug 21 — Aug 281
Thu 8/21
Thu 8/28
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 87 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 August 16, 2025.

Round-trip from

$208
(Booking.com)

One-way from

$84
(Mytrip)

Popular in

March

Cheapest in

February

Average price

$378

Good round-trip deal

$282 or less

Good one-way deal

$137 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. 0% potential increase in price ($3 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 16, 2025.

This Booking.com deal was found by Cheapflights users on 8/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1112:07 pmPDX - BWI
1 stop13h 23mMultiple Airlines
Sun 9/146:27 pmBWI - PDX
1 stop8h 45mMultiple Airlines
Deal found 8/15$208
This FlightHub deal was found by Cheapflights users on 8/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/112:07 pmPDX - BWI
1 stop13h 23mMultiple Airlines
Mon 10/206:29 pmBWI - PDX
1 stop20h 19mMultiple Airlines
Deal found 8/14$209
This FlightHub deal was found by Cheapflights users on 8/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/37:52 pmPDX - BWI
2 stops10h 10mMultiple Airlines
Fri 9/56:27 pmBWI - PDX
1 stop8h 45mMultiple Airlines
Deal found 8/15$210
This FlightHub deal was found by Cheapflights users on 8/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2612:43 pmPDX - BWI
1 stop26h 01mMultiple Airlines
Tue 10/287:50 amBWI - PDX
1 stop14h 46mMultiple Airlines
Deal found 8/15$211
This CheapOair deal was found by Cheapflights users on 8/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/126:05 amPDX - BWI
1 stop8h 37mFrontier
Mon 9/159:59 pmBWI - PDX
2 stops27h 35mFrontier
Deal found 8/15$212
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1712:07 pmPDX - BWI
2 stops15h 54mSpirit Airlines
Mon 9/297:02 pmBWI - PDX
1 stop19h 09mSpirit Airlines
Deal found 8/15$213
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/612:37 pmPDX - BWI
1 stop12h 53mSpirit Airlines
Sat 10/117:50 amBWI - PDX
1 stop14h 46mSpirit Airlines
Deal found 8/15$214
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1712:07 pmPDX - BWI
1 stop13h 23mSpirit Airlines
Wed 10/87:50 amBWI - PDX
1 stop14h 46mSpirit Airlines
Deal found 8/15$215
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2712:37 pmPDX - BWI
1 stop12h 53mSpirit Airlines
Wed 10/297:50 amBWI - PDX
1 stop14h 46mSpirit Airlines
Deal found 8/15$216
This CheapOair deal was found by Cheapflights users on 8/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/56:05 amPDX - BWI
1 stop8h 37mFrontier
Sat 9/132:21 pmBWI - PDX
2 stops47h 12mFrontier
Deal found 8/15$220
This Cheapflightsfares deal was found by Cheapflights users on 8/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2512:07 pmPDX - BWI
1 stop13h 23mSpirit Airlines
Mon 9/298:16 amBWI - PDX
1 stop14h 07mSpirit Airlines
Deal found 8/14$222
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1612:07 pmPDX - BWI
1 stop13h 23mMultiple Airlines
Tue 9/237:37 pmBWI - PDX
1 stop7h 38mMultiple Airlines
Deal found 8/13$224

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 August 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 10/1

12:07 pm-4:30 am

1 stop13h 23m

Baltimore/Washington

Mon 10/20

6:29 pm-11:48 am

1 stop20h 19m

$209

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Fri 9/12

12:07 pm-4:30 am

1 stop13h 23m

Baltimore/Washington

Tue 9/16

5:45 am-11:11 am

2 stops32h 26m

$210

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Wed 9/3

7:52 pm-9:02 am

2 stops10h 10m

Baltimore/Washington

Sun 9/7

6:27 pm-12:12 am

1 stop8h 45m

$210

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Fri 9/5

6:05 am-5:42 pm

1 stop8h 37m

Baltimore/Washington

Mon 9/8

9:59 pm-10:34 pm

2 stops27h 35m

$212

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Thu 9/18

6:05 am-9:14 pm

2 stops36h 09m

Baltimore/Washington

Sun 9/21

6:27 pm-12:12 am

1 stop8h 45m

$212

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Sun 9/21

6:05 am-9:14 pm

2 stops36h 09m

Baltimore/Washington

Sun 9/28

6:27 pm-12:12 am

1 stop8h 45m

$212

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Thu 9/25

6:05 am-9:14 pm

2 stops36h 09m

Baltimore/Washington

Sun 9/28

6:27 pm-12:12 am

1 stop8h 45m

$212

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Wed 10/1

7:15 am-9:14 pm

2 stops34h 59m

Baltimore/Washington

Mon 10/20

6:29 pm-11:48 am

1 stop20h 19m

$212

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Thu 9/25

6:05 am-9:14 pm

2 stops36h 09m

Baltimore/Washington

Mon 9/29

6:27 pm-12:12 am

1 stop8h 45m

$212

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Sun 9/7

6:05 am-5:42 pm

1 stop8h 37m

Baltimore/Washington

Thu 9/11

9:59 pm-12:12 am

2 stops29h 13m

$212

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 57 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 August 8, 2025.

The best time to book flights from Portland to Washington, D.C. is 87 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, July is the cheapest month in which you can book a flight from Portland to Washington, D.C. (average of $302). Flying from Portland to Washington, D.C. in April is currently the most expensive (average of $337). 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 August 16, 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 August 10, 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.

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 August 16, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and United Airlines 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

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Delta
8.0
Very good
7,985 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
United Airlines
7.4
Good
8,916 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Spirit Airlines
6.3
Okay
8,042 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Frontier
5.8
Fair
3,211 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

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 is 1 daily outbound flight 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 Frontier. Our recent data shows that you can find tickets from as low as $146 on this airline. Additional options worth looking into are Delta and American Airlines, starting at $294 and $298 round-trip. Frontier is currently priced 67% 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 $84 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $86 and Sun Country Air from $150 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 $192 on average our data indicates $955 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, July is the cheapest month in which you can book a flight from Portland to Washington, D.C. (average of $302). Flying from Portland to Washington, D.C. in April is currently the most expensive (average of $337). 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
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Fredericksburg
Gaithersburg
Towson
Linthicum Heights
Fairfax
Manassas
Falls Church
Laurel
Rockville
Oxon Hill
National Harbor
Dundalk
Waldorf
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 August 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$89Average$249FlexibilityNo cancel feeOn-time65%
FrontierCheapest$111Average$266FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$236Average$500FlexibilityNo cancel feeOn-time69%
DeltaCheapest$239Average$404FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$298Average$428FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$317Average$498FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$318Average$488FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$338Average$552FlexibilityNo cancel feeOn-time75%

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