Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Portland to Washington, D.C. from $88

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 10/22. 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

Frontier Logo
12:52 pm - 2:03 pmPDX-BWI
22h 11m2 stops
Frontier Logo
4:30 pm - 11:56 amBWI-PDX
22h 26m2 stops
$239Frontier
Find Deal
jue., oct. 30 - lun., nov. 3
Frontier Logo
12:43 pm - 7:08 pmPDX-BWI
27h 25m2 stops
Frontier Logo
8:45 am - 11:48 amBWI-PDX
30h 03m2 stops
$240Frontier
Find Deal
jue., oct. 16 - mar., oct. 21
United Airlines Logo
5:30 am - 5:32 pmPDX-BWI
9h 02m1 stop
United Airlines Logo
6:29 am - 11:41 amBWI-PDX
8h 12m1 stop
$242United Airlines
Find Deal
mié., oct. 8 - mié., oct. 15
United Airlines Logo
3:54 pm - 5:40 amPDX-BWI
10h 46m1 stop
United Airlines Logo
6:35 pm - 12:26 amBWI-PDX
8h 51m1 stop
$247United Airlines
Find Deal
jue., nov. 6 - vie., nov. 7
Delta Logo
12:40 am - 10:48 amPDX-BWI
7h 08m1 stop
Delta Logo
4:44 pm - 10:08 pmBWI-PDX
8h 24m1 stop
$257Delta
Find Deal
lun., oct. 6 - mar., oct. 14
Delta Logo
7:15 pm - 6:00 amPDX-BWI
7h 45m1 stop
Delta Logo
2:10 pm - 10:08 pmBWI-PDX
10h 58m1 stop
$258Delta
Find Deal
vie., oct. 10 - sáb., oct. 11
Southwest Logo
5:50 am - 5:00 pmPDX-BWI
8h 10m2 stops
Southwest Logo
5:30 pm - 10:50 pmBWI-PDX
8h 20m1 stop
$262Southwest
Find Deal
lun., oct. 27 - mié., oct. 29
Southwest Logo
5:05 am - 5:00 pmPDX-BWI
8h 55m2 stops
Southwest Logo
1:50 pm - 9:20 pmBWI-PDX
10h 30m2 stops
$267Southwest
Find Deal
sáb., oct. 25 - mar., oct. 28
Alaska Airlines Logo
7:00 am - 9:14 pmPDX-DCA
11h 14m1 stop
Alaska Airlines Logo
8:59 am - 4:50 pmDCA-PDX
10h 51m1 stop
$296Alaska Airlines
Find Deal
mar., oct. 7 - mié., oct. 15
Alaska Airlines Logo
9:30 pm - 5:13 pmPDX-IAD
16h 43m1 stop
Alaska Airlines Logo
5:40 pm - 9:48 amIAD-PDX
19h 08m1 stop
$296Alaska Airlines
Find Deal
jue., oct. 30 - mar., nov. 4

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

Our best Alaska Airlines deals on Portland to Washington, D.C. flight tickets
Alaska Airlines
Sep 20
PDX8:00 amPortland
5h 06m
DCA4:06 pmWashington, D.C. Reagan-National
Sep 27
DCA5:49 pmWashington, D.C. Reagan-National
5h 43m
PDX8:32 pmPortland
$290
Find similar
Alaska Airlines
Oct 30
PDX9:30 pmPortland
16h 43m
1 stop
IAD5:13 pmWashington, D.C. Dulles Intl
Nov 4
IAD5:40 pmWashington, D.C. Dulles Intl
19h 08m
1 stop
PDX9:48 amPortland
$296
Find similar
Alaska Airlines
Dec 3
PDX7:17 amPortland
10h 45m
1 stop
DCA9:02 pmWashington, D.C. Reagan-National
Dec 9
DCA9:59 amWashington, D.C. Reagan-National
13h 51m
2 stops
PDX8:50 pmPortland
$315
Find similar

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

Our best United Airlines deals on Portland to Washington, D.C. flight tickets
United Airlines
Oct 8
PDX5:30 amPortland
9h 02m
1 stop
BWI5:32 pmBaltimore/Washington
Oct 15
BWI6:29 amBaltimore/Washington
8h 12m
1 stop
PDX11:41 amPortland
$242
Find similar
United Airlines
Nov 6
PDX3:54 pmPortland
10h 46m
1 stop
BWI5:40 amBaltimore/Washington
Nov 7
BWI6:35 pmBaltimore/Washington
8h 51m
1 stop
PDX12:26 amPortland
$247
Find similar
United Airlines
Oct 4
PDX5:00 amPortland
7h 13m
1 stop
BWI3:13 pmBaltimore/Washington
Oct 8
BWI6:29 amBaltimore/Washington
8h 12m
1 stop
PDX11:41 amPortland
$261
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 septiembre 16, 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

jue. 10/30

12:52 pm-2:03 pm

2 stops22h 11m

Baltimore/Washington

lun. 11/3

4:30 pm-11:56 am

2 stops22h 26m

$239

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

jue. 10/16

12:43 pm-7:08 pm

2 stops27h 25m

Baltimore/Washington

mar. 10/21

8:45 am-11:48 am

2 stops30h 03m

$240

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

mié. 10/8

5:30 am-5:32 pm

1 stop9h 02m

Baltimore/Washington

mié. 10/15

6:29 am-11:41 am

1 stop8h 12m

$242

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

jue. 11/6

3:54 pm-5:40 am

1 stop10h 46m

Baltimore/Washington

vie. 11/7

6:35 pm-12:26 am

1 stop8h 51m

$247

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

lun. 10/6

12:40 am-10:48 am

1 stop7h 08m

Baltimore/Washington

mar. 10/14

4:44 pm-10:08 pm

1 stop8h 24m

$257

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

vie. 10/10

7:15 pm-6:00 am

1 stop7h 45m

Baltimore/Washington

sáb. 10/11

2:10 pm-10:08 pm

1 stop10h 58m

$258

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

lun. 10/27

5:50 am-5:00 pm

2 stops8h 10m

Baltimore/Washington

mié. 10/29

5:30 pm-10:50 pm

1 stop8h 20m

$262

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

sáb. 10/25

5:05 am-5:00 pm

2 stops8h 55m

Baltimore/Washington

mar. 10/28

1:50 pm-9:20 pm

2 stops10h 30m

$267

PortlandWashington, D.C.

PDX - DCA

PDXDCA

Portland

mar. 10/7

7:00 am-9:14 pm

1 stop11h 14m

Washington, D.C. Reagan-National

mié. 10/15

8:59 am-4:50 pm

1 stop10h 51m

$296

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

jue. 10/30

9:30 pm-5:13 pm

1 stop16h 43m

Washington, D.C. Dulles Intl

mar. 11/4

5:40 pm-9:48 am

1 stop19h 08m

$296

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 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 $336. 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 $362.

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 $509. 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 $688.

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 $594. 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 Baltimore/Washington 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 $492 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 $361 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 35% 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 September 2025, prices for Portland to Washington, D.C. flights are approximately 13% cheaper 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

$188

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 $188. The best round-trip flight deal from Portland to Washington, D.C. found on momondo in the last 72 hours is $346.
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)
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
8,019 reviews
Search Spirit Airlines flights
FrontierPriceFrom $132Free CancellationRating
5.8
3,174 reviews
Search Frontier flights
DeltaPriceFrom $220Free CancellationRating
7.9
7,957 reviews
Search Delta flights
American AirlinesPriceFrom $236Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $236Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
Hawaiian AirlinesPriceFrom $299Free CancellationRating
7.8
2,724 reviews
Search Hawaiian Airlines flights
SouthwestPriceFrom $318Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $324Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

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

    Alaska Airlines flight deals from Portland to Washington, D.C. start from $324 round-trip. Over the 7 Alaska Airlines flights for this route in a normal week, average airfare is usually $554 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, 2,724 ratings). Hawaiian Airlines flies from Portland to Washington, D.C. around 7 times per week, with deals starting from $299 round-trip and rising to an average price of around $501.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
National Harbor
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Reston
Fairfax
Glen Burnie
Gaithersburg
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
jue. 10/16
jue. 10/23
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