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Reagan-National

$148+ Cheap flights from Portland (PDX) to Reagan-National (DCA)

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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DCA
May 18 — May 251
Mon 5/18
Mon 5/25
1 adult, Economy
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Find cheap flights from Portland to Reagan-National with Cheapflights

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”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Portland to Washington, D.C. Reagan-National are usually found in August or September, booked 1 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap flight deals from Portland to Reagan-National

Cheapest flights from Portland to Reagan-National
Explore the most affordable flight options available from Portland to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 18, 2026.

This Expedia deal was found by Cheapflights users on 4/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1912:26 pm
PDX
-
DCA
1 stop21h 31m
Frontier
Tue 7/216:00 pm
DCA
-
PDX
1 stop25h 57m
Frontier
Deal found 4/13$335
This CheapOair deal was found by Cheapflights users on 4/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:48 am
PDX
-
DCA
1 stop22h 11m
Frontier
Sun 4/197:59 am
DCA
-
PDX
1 stop30h 04m
Frontier
Deal found 4/13$336
This Delta deal was found by Cheapflights users on 4/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/305:30 am
PDX
-
DCA
1 stop6h 51m
Delta
Tue 8/118:00 am
DCA
-
PDX
1 stop8h 06m
Delta
Deal found 4/13$337
This CheapOair deal was found by Cheapflights users on 4/17. 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 4/2311:48 am
PDX
-
DCA
1 stop26h 11m
Frontier
Tue 4/287:59 am
DCA
-
PDX
1 stop30h 53m
Frontier
Deal found 4/17$342
This Booking.com deal was found by Cheapflights users on 4/16. 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.
Mon 4/2711:48 am
PDX
-
DCA
1 stop7h 11m
Frontier
Thu 4/307:59 am
DCA
-
PDX
1 stop30h 04m
Frontier
Deal found 4/16$343
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/712:35 pm
PDX
-
DCA
1 stop21h 24m
Frontier
Sun 5/107:00 am
DCA
-
PDX
2 stops31h 50m
Frontier
Deal found 4/14$344
This CheapOair deal was found by Cheapflights users on 4/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1912:26 pm
PDX
-
DCA
1 stop21h 31m
Frontier
Sun 7/262:00 pm
DCA
-
PDX
1 stop29h 57m
Frontier
Deal found 4/14$346
This CheapOair deal was found by Cheapflights users on 4/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2512:27 pm
PDX
-
DCA
1 stop21h 32m
Frontier
Thu 4/306:00 pm
DCA
-
PDX
1 stop20h 03m
Frontier
Deal found 4/14$348
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 5/49:54 am
PDX
-
DCA
2 stops28h 05m
Frontier
Sun 5/107:00 am
DCA
-
PDX
1 stop12h 46m
Frontier
Deal found 4/15$349
This Frontier deal was found by Cheapflights users on 4/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/411:58 am
PDX
-
DCA
1 stop7h 01m
Frontier
Mon 5/117:00 am
DCA
-
PDX
1 stop12h 46m
Frontier
Deal found 4/15$351
This Expedia deal was found by Cheapflights users on 4/16. 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 6/162:20 pm
PDX
-
DCA
1 stop14h 37m
Multiple Airlines
Tue 6/307:00 am
DCA
-
PDX
1 stop12h 35m
Multiple Airlines
Deal found 4/16$353
This Expedia deal was found by Cheapflights users on 4/16. 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.
Thu 6/1112:26 pm
PDX
-
DCA
1 stop21h 31m
Frontier
Wed 6/177:00 am
DCA
-
PDX
1 stop12h 35m
Frontier
Deal found 4/16$355

Find flight deals from Portland to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Reagan-National (DCA). 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 April 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$335
(Expedia)

One-way from

$148
(Kiwi.com)

Popular in

April

Cheapest in

August

Average price

$579

Good round-trip deal

$557 or less

Good one-way deal

$298 or less
Provider with most accurate pricing for Portland-Washington, D.C. Reagan-National flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Washington, D.C. Reagan-National flights.
Search Deals
From Portland to Washington, D.C. Reagan-National
Search Deals
One-way flight from Portland to Washington, D.C. Reagan-National
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($62 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Portland to Washington, D.C. Reagan-National.
Search Deals
Price to beat on a one-way flight from Portland to Washington, D.C. Reagan-National.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Reagan-National 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 April 18, 2026.
Use the filters below to find and compare flights from Portland to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandWashington, D.C.

PDX - DCA

PDXDCA

Portland

Mon 10/5

6:00 am-4:21 pm

1 stop7h 21m

Washington, D.C. Reagan-National

Mon 10/12

6:00 am-11:05 am

1 stop8h 05m

$388

PortlandWashington, D.C.

PDX - DCA

PDXDCA

Portland

Tue 9/8

7:49 am-4:00 pm

Nonstop5h 11m

Washington, D.C. Reagan-National

Fri 9/11

9:30 am-9:25 am

1 stop26h 55m

$461

PortlandWashington, D.C.

PDX - DCA

PDXDCA

Portland

Mon 5/18

11:55 pm-11:05 am

1 stop8h 10m

Washington, D.C. Reagan-National

Tue 5/19

3:40 pm-11:00 pm

2 stops10h 20m

$462

PortlandWashington, D.C.

PDX - DCA

PDXDCA

Portland

Tue 6/16

11:30 pm-2:00 pm

1 stop11h 30m

Washington, D.C. Reagan-National

Tue 6/30

3:00 pm-10:35 pm

2 stops10h 35m

$468

PortlandWashington, D.C.

PDX - DCA

PDXDCA

Portland

Wed 4/29

1:55 pm-11:44 pm

1 stop6h 49m

Washington, D.C. Reagan-National

Mon 5/4

4:39 pm-9:32 pm

1 stop7h 53m

$476

PortlandWashington, D.C.

PDX - DCA

PDXDCA

Portland

Sat 5/30

6:00 am-8:45 pm

2 stops11h 45m

Washington, D.C. Reagan-National

Sat 6/6

7:00 am-7:05 pm

1 stop15h 05m

$488

PortlandWashington, D.C.

PDX - DCA

PDXDCA

Portland

Sun 6/14

11:30 pm-8:45 am

1 stop6h 15m

Washington, D.C. Reagan-National

Wed 6/17

4:25 pm-11:30 pm

1 stop10h 05m

$507
Quickest round-trip

PortlandWashington, D.C.

PDX - DCA

PDXDCA

Portland

Fri 7/17

5:30 am-3:21 pm

1 stop6h 51m

Washington, D.C. Reagan-National

Fri 7/24

5:29 pm-9:48 pm

1 stop7h 19m

$518

PortlandWashington, D.C.

PDX - DCA

PDXDCA

Portland

Tue 8/18

7:54 am-4:00 pm

Nonstop5h 06m

Washington, D.C. Reagan-National

Tue 8/25

9:30 am-4:50 pm

1 stop10h 20m

$551

PortlandWashington, D.C.

PDX - DCA

PDXDCA

Portland

Wed 5/13

11:55 pm-9:59 am

1 stop7h 04m

Washington, D.C. Reagan-National

Mon 5/18

4:34 pm-10:59 pm

1 stop9h 25m

$554

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/13

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Portland to Reagan-National

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 Reagan-National in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 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. Reagan-National Airport 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. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Washington, D.C. Reagan-National Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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. Reagan-National Airport 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 Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National 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. Reagan-National Airport

How far ahead should I book a flight from Portland to Washington, D.C. Reagan-National Airport?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Reagan-National. Price data was last updated on April 10, 2026.

The price you pay for your flight from Portland to Washington, D.C. Reagan-National Airport may vary depending on when you book. For the best chance of a lower fare, look to book 1 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Portland to Washington, D.C. Reagan-National Airport?

Currently, August is the cheapest month in which you can book a flight from Portland to Washington, D.C. Reagan-National Airport (average of $383). Flying from Portland to Washington, D.C. Reagan-National Airport in April is currently the most expensive (average of $579). 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 DCA?

Find hourly flight availability from Portland to Reagan-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 18, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland to Washington, D.C. Reagan-National Airport as you normally would.

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

Reviews of airlines servicing Reagan-National

Get insights into the airlines that provide service to Reagan-National. 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 Reagan-National. Reviews last updated April 18, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andHawaiian Airlines from Portland to Washington, D.C. Reagan-National Airport 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
7.9
Good
12,258 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.0

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Alaska Airlines
7.9
Good
12,258 reviews
Alaska Airlines
7.9
Good
12,258 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.0

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Delta
7.9
Good
8,423 reviews
Alaska Airlines
7.9
Good
12,258 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.0

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Hawaiian Airlines
7.8
Good
2,838 reviews
Alaska Airlines
7.9
Good
12,258 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.0

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
United Airlines
7.4
Good
9,603 reviews
Alaska Airlines
7.9
Good
12,258 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.0

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Frontier
5.7
Fair
2,986 reviews
Alaska Airlines
7.9
Good
12,258 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.0

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Related info for your journey

Find useful and relevant information for your journey from Portland to Reagan-National. 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. Reagan-National?

    Located just 6.0 mi from the city center, Portland is the airport most travelers will use when flying to Washington, D.C. Reagan-National from Portland. Booking flights from Portland (PDX) to Washington, D.C. Reagan-National should be relatively easy as there is 1 daily outbound flight to Washington, D.C. Reagan-National from 7 different airlines.

  • How long is the flight from Portland to Washington, D.C. Reagan-National Airport?

    A quick flight from Portland to Washington, D.C. Reagan-National Airport can take about 5h 11m. Delta provides one of the quickest options available for as low as $461. The distance from Portland to Washington, D.C. Reagan-National Airport is about 2343 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. Reagan-National Airport round-trip?

    According to our current data, Delta ($168), Frontier ($171), and American Airlines ($282) offers the cheapest pricing from Portland to Washington, D.C. Reagan-National Airport. Users have found that Delta is 65% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Portland to Washington, D.C. Reagan-National Airport one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $99. Southwest flights start at $138 while deals on American Airlines start at $141 one-way.

  • What are the cheapest flights from Portland to Washington, D.C. Reagan-National Airport?

    On average you can expect to pay $914 for a flight from Portland to Washington, D.C. Reagan-National Airport. The cheapest flight overall is $248 while the most popular route, (Portland - Washington, D.C. Reagan-National) is currently priced at $323.

  • Can I find deals for flights from Portland to Reagan-National that include hotel bookings?

    Yes. In addition to deals on Portland to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Reagan-National?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Reagan-National.

  • Can I find deals for business class flights from Portland to Reagan-National?

    Yes. Cheapflights offers flight deals from Portland to Reagan-National 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. Reagan-National Airport?

    Currently, August is the cheapest month in which you can book a flight from Portland to Washington, D.C. Reagan-National Airport (average of $383). Flying from Portland to Washington, D.C. Reagan-National Airport in April is currently the most expensive (average of $579). 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. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Owings Mills
Springfield
Arlington
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Largo
Upper Marlboro
Waldorf
Bowie
Clinton
Towson
Hunt Valley
Cordova

Browse thousands of different options on Cheapflights for your next trip

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Top 7 airlines flying from Portland to Reagan-National

Discover the top 7 airlines that operate flights from Portland to Reagan-National. 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 April 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$168Average$366FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$171Average$284FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$282Average$356FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$317Average$576FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$317Average$569FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$317Average$497FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$336Average$434FlexibilityNo cancel feeOn-time69%

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