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Cheap flights from Portland to Washington, D.C. from $66

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. departing on 4/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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

Cheap round-trip flights

These are some of the best round-trip flight deals from Portland to Washington, D.C. that have been recently found on momondo from popular airlines, departing in the coming months.
6:32 am - 4:59 pmPDX-DCA
7h 27m1 stop
6:00 pm - 12:37 amDCA-PDX
9h 37m1 stop
$130Frontier
Find Deal
mar., mar. 4 - lun., mar. 24
9:54 am - 12:04 pmPDX-DCA
23h 10m1 stop
7:00 am - 12:37 amDCA-PDX
20h 37m1 stop
$132Frontier
Find Deal
mar., abr. 1 - mar., abr. 8
7:01 pm - 5:46 amPDX-BWI
7h 45m1 stop
6:51 am - 1:37 pmBWI-PDX
9h 46m1 stop
$188Spirit Airlines
Find Deal
mar., abr. 15 - mar., abr. 22
9:27 am - 8:27 pmPDX-BWI
8h 00m1 stop
9:29 pm - 8:22 amBWI-PDX
13h 53m1 stop
$189Spirit Airlines
Find Deal
mié., abr. 9 - lun., abr. 14
11:50 am - 5:34 amPDX-IAD
14h 44m1 stop
7:00 am - 11:55 pmIAD-PDX
19h 55m1 stop
$322Alaska Airlines
Find Deal
mar., abr. 1 - mar., abr. 8
7:50 pm - 6:21 amPDX-IAD
7h 31m1 stop
7:25 am - 2:30 pmIAD-PDX
10h 05m1 stop
$323Delta
Find Deal
mié., abr. 23 - mar., abr. 29
11:00 pm - 9:13 amPDX-BWI
7h 13m1 stop
6:00 am - 3:22 pmBWI-PDX
12h 22m2 stops
$327Delta
Find Deal
sáb., abr. 5 - mié., abr. 9
11:50 am - 9:59 pmPDX-DCA
7h 09m1 stop
6:58 pm - 9:55 pmDCA-PDX
5h 57mnonstop
$330Alaska Airlines
Find Deal
mié., abr. 16 - dom., abr. 20
11:30 pm - 7:29 amPDX-IAD
4h 59mnonstop
5:30 pm - 8:15 pmIAD-PDX
5h 45mnonstop
$338United Airlines
Find Deal
mié., abr. 23 - sáb., abr. 26
7:30 pm - 7:00 amPDX-IAD
8h 30m1 stop
5:30 pm - 8:14 pmIAD-PDX
5h 44mnonstop
$343United Airlines
Find Deal
lun., mar. 31 - mar., abr. 22

Sun Country Air flights from Portland to Washington, D.C.

Our best Sun Country Air deals on Portland to Washington, D.C. flight tickets
Sun Country Air
Apr 24
PDX6:20 pmPortland
15h 03m
1 stop
IAD12:23 pmWashington, D.C. Dulles Intl
Apr 27
IAD12:17 pmWashington, D.C. Dulles Intl
8h 07m
1 stop
PDX5:24 pmPortland
Sun Country Air
May 15
PDX6:30 pmPortland
14h 00m
1 stop
BWI11:30 amBaltimore/Washington
May 18
BWI12:35 pmBaltimore/Washington
24h 26m
1 stop
PDX10:01 amPortland

Alaska Airlines flights from Portland to Washington, D.C.

Our best Alaska Airlines deals on Portland to Washington, D.C. flight tickets
Alaska Airlines
Apr 1
PDX11:50 amPortland
14h 44m
1 stop
IAD5:34 amWashington, D.C. Dulles Intl
Apr 8
IAD7:00 amWashington, D.C. Dulles Intl
19h 55m
1 stop
PDX11:55 pmPortland
Alaska Airlines
Apr 16
PDX11:50 amPortland
7h 09m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
Apr 20
DCA6:58 pmWashington, D.C. Reagan-National
5h 57m
PDX9:55 pmPortland
Alaska Airlines
Apr 1
PDX9:44 amPortland
5h 14m
DCA5:58 pmWashington, D.C. Reagan-National
Apr 8
DCA6:58 pmWashington, D.C. Reagan-National
5h 57m
PDX9:55 pmPortland

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Portland to Washington, D.C.

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.?

The month of May is, on average, the cheapest month to fly to Washington, D.C. from Portland, with most prices found around $343. If you’re not able to fly to Washington, D.C. in May, then February is your next best option. Flight prices from Portland to Washington, D.C. during February average around $359.

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

On average, the least expensive day to fly to Washington, D.C. from Portland is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $567. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Portland to Washington, D.C. for around $714.

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

In the afternoon is the cheapest time of day to fly from Portland to Washington, D.C. when you can find flight prices for as low as $269. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $618. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Fly from Portland to Washington, D.C. Dulles Intl for the best Portland - Washington, D.C. flight prices

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

You are more likely to see cheaper flights to Washington, D.C. from Portland when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $551 when searching 6 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Portland for as low as $462 on momondo.

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

There are 4 cabin classes available to choose from on Portland to Washington, D.C. 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. flight prices changed over time?

As of February 2025, prices for Portland to Washington, D.C. flights are approximately 39% more expensive when compared to flights at the same time last year.

When to book flights from Portland to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Washington, D.C. 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. (PDX to WAS) flight deals and tips

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

Best Price Found

$66

Fastest flight time

4h 48m

Direct flights

Every day

Airports in Washington, D.C.

3 airports
The best one-way flight to Washington, D.C. from Portland in the past 72 hours is $66. The best round-trip flight deal from Portland to Washington, D.C. found on momondo in the last 72 hours is $130.
The fastest flight from Portland to Washington, D.C. takes 4h 48m
Direct flights go from Portland to Washington, D.C. every day.
There are 3 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD)

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

    A flight from Portland to Washington, D.C. will travel around 2345.6 mi. A reasonable flight in good conditions will take 4h 50m.

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

    Prices for flights from Portland Airport to Washington, D.C. are updated daily.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Washington, D.C..

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

    The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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


Best airlines flying from Portland to Washington, D.C.

Compare and see reviews for airlines that fly from Portland to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $51Free CancellationRating
6.3
8,013 reviews
Search Spirit Airlines flights
FrontierPriceFrom $77Free CancellationRating
6.0
3,355 reviews
Search Frontier flights
DeltaPriceFrom $296Free CancellationRating
8.0
8,220 reviews
Search Delta flights
American AirlinesPriceFrom $298Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
JetBluePriceFrom $304Free CancellationRating
7.4
3,070 reviews
Search JetBlue flights
Alaska AirlinesPriceFrom $336Free CancellationRating
8.0
9,692 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $337Free CancellationRating
7.4
8,766 reviews
Search United Airlines flights
SouthwestPriceFrom $353Free CancellationRating
8.1
4,411 reviews
Search Southwest flights
  • Alaska Airlines Flights From Portland to Washington, D.C.

    Alaska Airlines flight deals from Portland to Washington, D.C. start from $336 round-trip. Over the 7 Alaska Airlines flights for this route in a normal week, average airfare is usually $576 round-trip - but some users have found much cheaper deals with momondo.

  • United Airlines Flights From Portland to Washington, D.C.

    Another popular option for Portland to Washington, D.C. flights is United Airlines (7.4/10, 8,765 ratings). United Airlines flies from Portland to Washington, D.C. around 1 time per week, with deals starting from $337 round-trip and rising to an average price of around $567.


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
Laurel
National Harbor
Silver Spring
Woodbridge
Fredericksburg
Manassas
Tysons
Waldorf
Gaithersburg
Linthicum Heights
Glen Burnie
Rockville
Fairfax
Towson
Hanover
Reston
Hyattsville

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Portland.

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

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Portland with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Portland to Washington, D.C..

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

If you are not ready to book a flight from Portland to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.


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1 adult
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mar. 2/25
mar. 3/4

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.