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Cheap flights from Portland to Washington, D.C. Reagan-National Airport from $135

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Washington, D.C. Reagan-National Airport departing on 4/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Portland to Washington, D.C.

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Portland to Washington, D.C..
6:20 am - 9:59 pmPDX-DCA
12h 39m1 stop
6:00 pm - 12:42 amDCA-PDX
9h 42m1 stop
$238Frontier
Find Deal
Thu, Apr 24 - Mon, Apr 28
6:20 am - 4:59 pmPDX-DCA
7h 39m1 stop
6:00 pm - 12:38 amDCA-PDX
9h 38m1 stop
$240Frontier
Find Deal
Thu, May 1 - Mon, May 5
9:38 pm - 10:59 amPDX-DCA
10h 21m1 stop
5:59 am - 10:24 amDCA-PDX
7h 25m1 stop
$337American Airlines
Find Deal
Sun, May 25 - Sat, May 31
8:00 am - 4:10 pmPDX-DCA
5h 10mnonstop
5:10 pm - 8:00 pmDCA-PDX
5h 50mnonstop
$338Alaska Airlines
Find Deal
Tue, May 6 - Mon, May 12
12:59 am - 11:00 amPDX-DCA
7h 01m1 stop
6:00 am - 12:53 pmDCA-PDX
9h 53m1 stop
$357Delta
Find Deal
Wed, Apr 16 - Mon, Apr 21
7:00 am - 5:58 pmPDX-DCA
7h 58m1 stop
5:40 pm - 8:23 pmDCA-PDX
5h 43mnonstop
$361Alaska Airlines
Find Deal
Tue, Aug 19 - Wed, Sep 10
5:30 am - 3:29 pmPDX-DCA
6h 59m1 stop
4:40 pm - 11:52 pmDCA-PDX
10h 12m1 stop
$377Delta
Find Deal
Wed, Sep 17 - Sat, Sep 20
7:00 am - 8:47 pmPDX-DCA
10h 47m1 stop
7:25 am - 5:28 pmDCA-PDX
13h 03m2 stops
$512United Airlines
Find Deal
Fri, May 2 - Sun, May 4
12:07 am - 10:56 amPDX-DCA
7h 49m1 stop
5:00 am - 10:45 amDCA-PDX
8h 45m1 stop
$517American Airlines
Find Deal
Thu, Jun 5 - Sun, Jun 8
10:56 pm - 9:19 amPDX-DCA
7h 23m1 stop
12:00 pm - 10:51 pmDCA-PDX
13h 51m2 stops
$522United Airlines
Find Deal
Mon, Sep 15 - Thu, Sep 18

American Airlines flights from Portland to Washington, D.C. Reagan-National Airport

Our best American Airlines deals on Portland to Washington, D.C. Reagan-National Airport flight tickets
American Airlines
May 25
PDX9:38 pmPortland
10h 21m
1 stop
DCA10:59 amWashington, D.C. Reagan-National
May 31
DCA5:59 amWashington, D.C. Reagan-National
7h 25m
1 stop
PDX10:24 amPortland
American Airlines
Jun 5
PDX12:07 amPortland
7h 49m
1 stop
DCA10:56 amWashington, D.C. Reagan-National
Jun 8
DCA5:00 amWashington, D.C. Reagan-National
8h 45m
1 stop
PDX10:45 amPortland
American Airlines
Mar 28
PDX5:21 amPortland
7h 38m
1 stop
DCA3:59 pmWashington, D.C. Reagan-National
Mar 31
DCA11:52 amWashington, D.C. Reagan-National
8h 48m
1 stop
PDX5:40 pmPortland

Delta flights from Portland to Washington, D.C. Reagan-National Airport

Our best Delta deals on Portland to Washington, D.C. Reagan-National Airport flight tickets
Delta
Apr 16
PDX12:59 amPortland
7h 01m
1 stop
DCA11:00 amWashington, D.C. Reagan-National
Apr 21
DCA6:00 amWashington, D.C. Reagan-National
9h 53m
1 stop
PDX12:53 pmPortland
Delta
Sep 17
PDX5:30 amPortland
6h 59m
1 stop
DCA3:29 pmWashington, D.C. Reagan-National
Sep 20
DCA4:40 pmWashington, D.C. Reagan-National
10h 12m
1 stop
PDX11:52 pmPortland
Delta
Apr 17
PDX12:59 amPortland
7h 01m
1 stop
DCA11:00 amWashington, D.C. Reagan-National
Apr 26
DCA4:50 pmWashington, D.C. Reagan-National
10h 06m
1 stop
PDX11:56 pmPortland

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Portland to Washington, D.C. Reagan-National Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Washington, D.C. Reagan-National Airport?

The month of August is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Portland, with most prices found around $391. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of August, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $397.

What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?

The cheapest day to depart from Portland to Washington, D.C. Reagan-National Airport is on a Friday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Friday will often find tickets for as low as $517. Flights from Portland to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $764. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Washington, D.C. Reagan-National Airport?

Our data shows that the cheapest Portland to Washington, D.C. Reagan-National Airport flights are usually those with departure times in the afternoon. Our users have found flights to Washington, D.C. Reagan-National Airport in the afternoon for as low as $229. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is in the morning when prices are around $587.

What is the cheapest Portland to Washington, D.C. Reagan-National flight route?

Fly from Portland to Washington, D.C. Reagan-National for the best Portland - Washington, D.C. Reagan-National flight prices

How far in advance should I book a flight to Washington, D.C. Reagan-National Airport?

You are more likely to see cheaper flights to Washington, D.C. Reagan-National Airport from Portland when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Reagan-National Airport for around $485 when searching 23 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Reagan-National Airport from Portland for as low as $414 on momondo.

What cabin class options are available on Portland to Washington, D.C. Reagan-National flights?

There are 4 cabin classes available to choose from on Portland to Washington, D.C. Reagan-National flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Portland to Washington, D.C. Reagan-National Airport flight prices changed over time?

As of March 2025, prices for Portland to Washington, D.C. Reagan-National Airport flights are approximately 37% cheaper when compared to flights at the same time last year.

When to book flights from Portland to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Washington, D.C. Reagan-National Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Washington, D.C. Reagan-National Airport (PDX to DCA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Washington, D.C. Reagan-National Airport

Best Price Found

$135

Fastest flight time

5h 02m

Direct flights

Every day
The best one-way flight to Washington, D.C. Reagan-National Airport from Portland in the past 72 hours is $135. The best round-trip flight deal from Portland to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $238.
The fastest flight from Portland to Washington, D.C. Reagan-National Airport takes 5h 02m
Direct flights go from Portland to Washington, D.C. Reagan-National Airport every day.

  • How far is Portland to Washington, D.C. Reagan-National by plane?

    A flight from Portland to Washington, D.C. Reagan-National will travel around 2347.1 mi. In terms of flight time, this usually takes a little over 5h 06m.

  • When did momondo last update prices for flights from Portland Airport to Washington, D.C. Reagan-National Airport?

    Prices for flights from Portland Airport to Washington, D.C. Reagan-National Airport refresh daily.

  • How many operators does momondo search for flights from Portland Airport to Washington, D.C. Reagan-National Airport?

  • How old do you have to be to fly from Portland Airport to Washington, D.C. Reagan-National Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Washington, D.C. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The necessary travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Portland to Washington, D.C. Reagan-National Airport?

  • What is the most popular airline from Portland to Washington, D.C. Reagan-National Airport?


Best airlines flying from Portland to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Portland to Washington, D.C. Reagan-National Airport with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $51Free CancellationRating
6.3
7,881 reviews
Search Spirit Airlines flights
FrontierPriceFrom $135Free CancellationRating
6.0
3,271 reviews
Search Frontier flights
JetBluePriceFrom $297Free CancellationRating
7.3
2,923 reviews
Search JetBlue flights
DeltaPriceFrom $332Free CancellationRating
8.0
7,895 reviews
Search Delta flights
United AirlinesPriceFrom $336Free CancellationRating
7.4
8,603 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $348Free CancellationRating
8.0
9,798 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $359Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $436Free CancellationRating
8.0
4,273 reviews
Search Southwest flights
  • Alaska Airlines Flights From Portland to Washington, D.C. Reagan-National Airport

    Alaska Airlines flies from Portland to Washington, D.C. Reagan-National Airport around 7 times per week, with 9,798 momondo users rating the airline 8.0/10. The cheapest Alaska Airlines deal from Portland to Washington, D.C. Reagan-National Airport in the last 72 hours was $348 (round-trip), much lower than the average airfare cost of $597 for Alaska Airlines flights on this route.


Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Arlington
Gettysburg
National Harbor
Laurel
Silver Spring
Woodbridge
Fredericksburg
Tysons
Waldorf
Manassas
Gaithersburg
Linthicum Heights
Glen Burnie
Rockville
Fairfax
Towson
Reston
Hyattsville
Hanover

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Washington, D.C.?

Finding the right flight to Washington, D.C. from Portland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

Can I find flights from Portland to Washington, D.C. with flexible booking policies on momondo?

All flight searches from Portland to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Portland to Washington, D.C.?

momondo helps you find the best flight between Portland and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Portland to Washington, D.C. right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Portland to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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