Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Portland to Washington, D.C. from $84

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 1/31. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:09 pm - 6:00 amPDX-BWI
7h 51m1 stop
Delta Logo
7:15 am - 12:40 pmBWI-PDX
8h 25m1 stop
$197Delta
Find Deal
Mon, Dec 8 - Sat, Dec 13
Delta Logo
12:32 am - 10:47 amPDX-BWI
7h 15m1 stop
Delta Logo
4:49 pm - 10:19 pmBWI-PDX
8h 30m1 stop
$216Delta
Find Deal
Sat, Dec 6 - Sat, Dec 13
Southwest Logo
5:55 am - 5:00 pmPDX-BWI
8h 05m2 stops
Southwest Logo
3:55 pm - 11:35 pmBWI-PDX
10h 40m1 stop
$221Southwest
Find Deal
Mon, Dec 8 - Fri, Dec 12
Southwest Logo
6:40 am - 7:45 pmPDX-BWI
10h 05m1 stop
Southwest Logo
7:30 pm - 12:20 amBWI-PDX
7h 50m1 stop
$254Southwest
Find Deal
Wed, Nov 19 - Sun, Nov 23
Alaska Airlines Logo
7:00 am - 5:55 pmPDX-BWI
7h 55m1 stop
Alaska Airlines Logo
6:55 pm - 12:03 amBWI-PDX
8h 08m1 stop
$256Alaska Airlines
Find Deal
Tue, Feb 24 - Mon, Mar 2
United Airlines Logo
6:00 am - 7:21 pmPDX-BWI
10h 21m2 stops
United Airlines Logo
6:35 pm - 12:26 amBWI-PDX
8h 51m1 stop
$259United Airlines
Find Deal
Wed, Nov 19 - Mon, Nov 24
United Airlines Logo
3:41 pm - 5:19 amPDX-BWI
10h 38m2 stops
United Airlines Logo
4:10 pm - 8:49 pmBWI-PDX
7h 39m1 stop
$262United Airlines
Find Deal
Tue, Apr 21 - Mon, Apr 27
Alaska Airlines Logo
7:00 am - 5:55 pmPDX-BWI
7h 55m1 stop
Alaska Airlines Logo
6:55 pm - 12:03 amBWI-PDX
8h 08m1 stop
$271Alaska Airlines
Find Deal
Fri, Feb 20 - Tue, Mar 3
Frontier Logo
10:03 am - 9:59 pmPDX-DCA
32h 56m2 stops
Frontier Logo
6:00 pm - 11:56 amDCA-PDX
20h 56m1 stop
$321Frontier
Find Deal
Mon, Nov 3 - Fri, Nov 7
Frontier Logo
12:37 pm - 4:59 pmPDX-DCA
25h 22m1 stop
Frontier Logo
2:00 pm - 11:43 amDCA-PDX
24h 43m1 stop
$329Frontier
Find Deal
Sat, Dec 20 - Sat, Jan 3

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

Our best American Airlines deals on Portland to Washington, D.C. flight tickets
American Airlines
Nov 16
PDX10:15 pmPortland
9h 04m
1 stop
IAD10:19 amWashington, D.C. Dulles Intl
Dec 6
IAD2:06 pmWashington, D.C. Dulles Intl
12h 17m
2 stops
PDX11:23 pmPortland
$292
Find similar
American Airlines
Jan 5
PDX10:21 pmPortland
9h 39m
1 stop
DCA11:00 amWashington, D.C. Reagan-National
Jan 29
DCA11:57 amWashington, D.C. Reagan-National
11h 34m
1 stop
PDX8:31 pmPortland
$300
Find similar
American Airlines
Nov 16
PDX10:15 pmPortland
9h 04m
1 stop
IAD10:19 amWashington, D.C. Dulles Intl
Dec 6
IAD9:15 amWashington, D.C. Dulles Intl
14h 35m
2 stops
PDX8:50 pmPortland
$322
Find similar

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

Our best Alaska Airlines deals on Portland to Washington, D.C. flight tickets
Alaska Airlines
Feb 24
PDX7:00 amPortland
7h 55m
1 stop
BWI5:55 pmBaltimore/Washington
Mar 2
BWI6:55 pmBaltimore/Washington
8h 08m
1 stop
PDX12:03 amPortland
$256
Find similar
Alaska Airlines
Feb 20
PDX7:00 amPortland
7h 55m
1 stop
BWI5:55 pmBaltimore/Washington
Mar 3
BWI6:55 pmBaltimore/Washington
8h 08m
1 stop
PDX12:03 amPortland
$271
Find similar
Alaska Airlines
Mar 5
PDX7:00 amPortland
7h 55m
1 stop
BWI5:55 pmBaltimore/Washington
Mar 9
BWI6:55 pmBaltimore/Washington
8h 08m
1 stop
PDX12:03 amPortland
$287
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated October 23, 2025.
Use the filters below to find and compare flights from Portland to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Mon 12/8

7:09 pm-6:00 am

1 stop7h 51m

Baltimore/Washington

Sat 12/13

7:15 am-12:40 pm

1 stop8h 25m

$197

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Sat 12/6

12:32 am-10:47 am

1 stop7h 15m

Baltimore/Washington

Sat 12/13

4:49 pm-10:19 pm

1 stop8h 30m

$216

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Mon 12/8

5:55 am-5:00 pm

2 stops8h 05m

Baltimore/Washington

Fri 12/12

3:55 pm-11:35 pm

1 stop10h 40m

$221

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Wed 11/19

6:40 am-7:45 pm

1 stop10h 05m

Baltimore/Washington

Sun 11/23

7:30 pm-12:20 am

1 stop7h 50m

$254

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Tue 2/24

7:00 am-5:55 pm

1 stop7h 55m

Baltimore/Washington

Mon 3/2

6:55 pm-12:03 am

1 stop8h 08m

$256

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Wed 11/19

6:00 am-7:21 pm

2 stops10h 21m

Baltimore/Washington

Mon 11/24

6:35 pm-12:26 am

1 stop8h 51m

$259

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Tue 4/21

3:41 pm-5:19 am

2 stops10h 38m

Baltimore/Washington

Mon 4/27

4:10 pm-8:49 pm

1 stop7h 39m

$262

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Fri 2/20

7:00 am-5:55 pm

1 stop7h 55m

Baltimore/Washington

Tue 3/3

6:55 pm-12:03 am

1 stop8h 08m

$271

PortlandWashington, D.C.

PDX - DCA

PDXDCA

Portland

Mon 11/3

10:03 am-9:59 pm

2 stops32h 56m

Washington, D.C. Reagan-National

Fri 11/7

6:00 pm-11:56 am

1 stop20h 56m

$321

PortlandWashington, D.C.

PDX - DCA

PDXDCA

Portland

Sat 12/20

12:37 pm-4:59 pm

1 stop25h 22m

Washington, D.C. Reagan-National

Sat 1/3

2:00 pm-11:43 am

1 stop24h 43m

$329

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 typical price of a round-trip flight between Portland and Washington, D.C.?

What is the cheapest month to fly to Washington, D.C.?

The month of February is, on average, the cheapest month to fly to Washington, D.C. from Portland, with most prices found around $338. If you’re not able to fly to Washington, D.C. in February, then January is your next best option. Flight prices from Portland to Washington, D.C. during January average around $358.

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 Wednesday. momondo users have found tickets for Wednesday departures for as low as $501. 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 $692.

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 $586. 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 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $475 when searching 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 $377 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.

Can stopping save me money on Portland to Washington, D.C. flights?

You could potentially save up to 15% on your flight if you consider stops on a Portland to Washington, D.C. flight.

How have Portland to Washington, D.C. flight prices changed over time?

As of October 2025, prices for Portland to Washington, D.C. flights are approximately 20% 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

$214

Fastest flight time

4h 48m

Direct flights

Every day

Airports in Washington, D.C.

2 airports
The best one-way flight to Washington, D.C. from Portland in the past 72 hours is $214. The best round-trip flight deal from Portland to Washington, D.C. found on momondo in the last 72 hours is $378.
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 2 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD)
Search flight deals

  • 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 55m.

  • 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 $89Free CancellationRating
6.3
8,098 reviews
Search Spirit Airlines flights
FrontierPriceFrom $132Free CancellationRating
5.8
3,128 reviews
Search Frontier flights
DeltaPriceFrom $220Free CancellationRating
7.9
7,981 reviews
Search Delta flights
American AirlinesPriceFrom $236Free CancellationRating
7.2
11,028 reviews
Search American Airlines flights
United AirlinesPriceFrom $243Free CancellationRating
7.4
8,991 reviews
Search United Airlines flights
Hawaiian AirlinesPriceFrom $299Free CancellationRating
7.8
2,788 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $312Free CancellationRating
8.0
11,155 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $316Free CancellationRating
8.0
4,237 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 $312 round-trip. Over the 4 Alaska Airlines flights for this route in a normal week, average airfare is usually $544 round-trip - but some users have found much cheaper deals with momondo.

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

    Another popular option for Portland to Washington, D.C. flights is Hawaiian Airlines (7.8/10, 2,788 ratings). Hawaiian Airlines flies from Portland to Washington, D.C. around 4 times per week, with deals starting from $299 round-trip and rising to an average price of around $512.

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

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

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.

An easier way to manage your Washington, D.C. trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 11/22
Sat 11/29
By creating a price alert you accept our terms of use and privacy policy.

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.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport