Cheap flights from Portland to Washington, D.C. from $192

1 adult
1 adult, Economy, 0 bags

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

Cheap round-trip flights

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Multiple Airlines Logo
5:09 pm - 1:09 pmPDX  Portland-IAD Washington, D.C. Dulles Intl
17h 00m1 stop Provo
Multiple Airlines Logo
8:26 pm - 1:03 pmIAD  Washington, D.C. Dulles Intl-PDX Portland
43h 37m2 stops Orlando Denver Intl
$356Multiple Airlines
Fri, Dec 4 - Fri, Dec 11
Frontier Logo
12:02 pm - 9:50 pmPDX  Portland-DCA Washington, D.C. Reagan-National
6h 48m1 stop Denver Intl
Frontier Logo
7:00 am - 12:57 pmDCA  Washington, D.C. Reagan-National-PDX Portland
8h 57m1 stop Denver Intl
$357Frontier
Tue, Nov 17 - Thu, Nov 26
Alaska Airlines Logo
5:53 pm - 5:50 pmPDX  Portland-IAD Washington, D.C. Dulles Intl
20h 57m2 stops Sacramento Intl San Diego
Alaska Airlines Logo
6:53 pm - 1:27 pmIAD  Washington, D.C. Dulles Intl-PDX Portland
21h 34m2 stops San Diego Sacramento Intl
$425Alaska Airlines
Wed, Feb 3 - Mon, Feb 8
Alaska Airlines Logo
2:30 pm - 5:50 pmPDX  Portland-IAD Washington, D.C. Dulles Intl
24h 20m2 stops Sacramento Intl San Diego
Alaska Airlines Logo
6:53 pm - 4:35 pmIAD  Washington, D.C. Dulles Intl-PDX Portland
24h 42m2 stops San Diego Sacramento Intl
$425Alaska Airlines
Wed, Feb 3 - Mon, Feb 8
Southwest Logo
10:50 am - 11:00 pmPDX  Portland-DCA Washington, D.C. Reagan-National
9h 10m1 stop Chicago Midway
Southwest Logo
2:35 pm - 10:15 pmDCA  Washington, D.C. Reagan-National-PDX Portland
10h 40m1 stop Chicago Midway
$447Southwest
Fri, Jan 22 - Thu, Jan 28
Southwest Logo
8:35 am - 8:30 pmPDX  Portland-DCA Washington, D.C. Reagan-National
8h 55m1 stop Las Vegas Harry Reid Intl
Southwest Logo
6:10 am - 12:45 pmDCA  Washington, D.C. Reagan-National-PDX Portland
9h 35m1 stop Chicago Midway
$447Southwest
Sat, Jan 16 - Tue, Jan 19
Delta Logo
6:50 am - 12:41 amPDX  Portland-IAD Washington, D.C. Dulles Intl
14h 51m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:39 pm - 10:49 amIAD  Washington, D.C. Dulles Intl-PDX Portland
18h 10m1 stop Atlanta Hartsfield-Jackson
$455Delta
Tue, Dec 8 - Fri, Dec 11
Delta Logo
11:10 pm - 2:01 pmPDX  Portland-IAD Washington, D.C. Dulles Intl
11h 51m1 stop Atlanta Hartsfield-Jackson
Delta Logo
11:11 am - 9:58 pmIAD  Washington, D.C. Dulles Intl-PDX Portland
13h 47m1 stop Atlanta Hartsfield-Jackson
$455Delta
Thu, Dec 3 - Sat, Dec 5
United Airlines Logo
11:42 pm - 7:35 amPDX  Portland-IAD Washington, D.C. Dulles Intl
4h 53mnonstop
United Airlines Logo
5:33 pm - 8:37 pmIAD  Washington, D.C. Dulles Intl-PDX Portland
6h 04mnonstop
$477United Airlines
Fri, Dec 25 - Fri, Jan 1
United Airlines Logo
11:42 pm - 7:35 amPDX  Portland-IAD Washington, D.C. Dulles Intl
4h 53mnonstop
United Airlines Logo
8:15 am - 3:26 pmIAD  Washington, D.C. Dulles Intl-PDX Portland
10h 11m1 stop Chicago O'Hare Intl
$487United Airlines
Fri, Dec 25 - Fri, Jan 1

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Frontier flights from Portland to Washington, D.C.

Our best Frontier deals on Portland to Washington, D.C. flight tickets
Frontier
Nov 17
PDX12:02 pmPortland
6h 48m
1 stop
DCA9:50 pmWashington, D.C. Reagan-National
Nov 26
DCA7:00 amWashington, D.C. Reagan-National
8h 57m
1 stop
PDX12:57 pmPortland
$357
Frontier
Dec 4
PDX7:51 pmPortland
18h 47m
2 stops
IAD5:38 pmWashington, D.C. Dulles Intl
Dec 7
IAD6:33 pmWashington, D.C. Dulles Intl
24h 37m
2 stops
PDX4:10 pmPortland
$358
Frontier
Dec 1
PDX5:09 pmPortland
16h 39m
1 stop
DCA12:48 pmWashington, D.C. Reagan-National
Dec 6
DCA7:00 amWashington, D.C. Reagan-National
9h 03m
1 stop
PDX1:03 pmPortland
$360

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 3
PDX2:30 pmPortland
24h 20m
2 stops
IAD5:50 pmWashington, D.C. Dulles Intl
Feb 8
IAD5:30 pmWashington, D.C. Dulles Intl
22h 57m
2 stops
PDX1:27 pmPortland
$425
Alaska Airlines
Dec 9
PDX2:35 pmPortland
24h 04m
2 stops
IAD5:39 pmWashington, D.C. Dulles Intl
Dec 15
IAD7:00 amWashington, D.C. Dulles Intl
16h 37m
2 stops
PDX8:37 pmPortland
$433
Alaska Airlines
Dec 9
PDX2:35 pmPortland
24h 04m
2 stops
IAD5:39 pmWashington, D.C. Dulles Intl
Dec 15
IAD6:42 pmWashington, D.C. Dulles Intl
25h 08m
1 stop
PDX4:50 pmPortland
$439

momondo Fare Finder

 
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

Cheapest round-trip

PortlandWashington, D.C.

PDX Portland - IAD Washington, D.C. Dulles Intl

PDXIAD

Portland

Fri 12/4

5:09 pm-1:09 pm

1 stop17h 00m

Washington, D.C. Dulles Intl

Fri 12/11

8:26 pm-1:03 pm

2 stops43h 37m

$356

PortlandWashington, D.C.

PDX Portland - DCA Washington, D.C. Reagan-National

PDXDCA

Portland

Tue 11/17

12:02 pm-9:50 pm

1 stop6h 48m

Washington, D.C. Reagan-National

Thu 11/26

7:00 am-12:57 pm

1 stop8h 57m

$357

PortlandWashington, D.C.

PDX Portland - IAD Washington, D.C. Dulles Intl

PDXIAD

Portland

Wed 2/3

5:53 pm-5:50 pm

2 stops20h 57m

Washington, D.C. Dulles Intl

Mon 2/8

6:53 pm-1:27 pm

2 stops21h 34m

$425

PortlandWashington, D.C.

PDX Portland - IAD Washington, D.C. Dulles Intl

PDXIAD

Portland

Wed 2/3

2:30 pm-5:50 pm

2 stops24h 20m

Washington, D.C. Dulles Intl

Mon 2/8

6:53 pm-4:35 pm

2 stops24h 42m

$425

PortlandWashington, D.C.

PDX Portland - DCA Washington, D.C. Reagan-National

PDXDCA

Portland

Fri 1/22

10:50 am-11:00 pm

1 stop9h 10m

Washington, D.C. Reagan-National

Thu 1/28

2:35 pm-10:15 pm

1 stop10h 40m

$447

PortlandWashington, D.C.

PDX Portland - DCA Washington, D.C. Reagan-National

PDXDCA

Portland

Sat 1/16

8:35 am-8:30 pm

1 stop8h 55m

Washington, D.C. Reagan-National

Tue 1/19

6:10 am-12:45 pm

1 stop9h 35m

$447

PortlandWashington, D.C.

PDX Portland - IAD Washington, D.C. Dulles Intl

PDXIAD

Portland

Tue 12/8

6:50 am-12:41 am

1 stop14h 51m

Washington, D.C. Dulles Intl

Fri 12/11

7:39 pm-10:49 am

1 stop18h 10m

$455

PortlandWashington, D.C.

PDX Portland - IAD Washington, D.C. Dulles Intl

PDXIAD

Portland

Thu 12/3

11:10 pm-2:01 pm

1 stop11h 51m

Washington, D.C. Dulles Intl

Sat 12/5

11:11 am-9:58 pm

1 stop13h 47m

$455
Quickest round-trip

PortlandWashington, D.C.

PDX Portland - IAD Washington, D.C. Dulles Intl

PDXIAD

Portland

Fri 12/25

11:42 pm-7:35 am

Nonstop4h 53m

Washington, D.C. Dulles Intl

Fri 1/1

5:33 pm-8:37 pm

Nonstop6h 04m

$477

PortlandWashington, D.C.

PDX Portland - IAD Washington, D.C. Dulles Intl

PDXIAD

Portland

Fri 12/25

11:42 pm-7:35 am

Nonstop4h 53m

Washington, D.C. Dulles Intl

Fri 1/1

8:15 am-3:26 pm

1 stop10h 11m

$487

Flights are sorted by cheapest round-trip flights first.

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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.?

Prices are currently low for flights on this route.

Typical prices usually range from $457 to $768.
The lowest price recently found on this route was $356.

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 $376. 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 $426.

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 Thursday. momondo users have found tickets for Thursday departures for as low as $542. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Portland to Washington, D.C. for around $699.

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

In the evening is the cheapest time of day to fly from Portland to Washington, D.C. when you can find flight prices for as low as $547. Flying to Washington, D.C. in the evening 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 $590. 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. Reagan-National for the best Portland - Washington, D.C. flight prices

How far in advance should I book a flight from Portland 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 $473 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 $328 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?

No. A direct flight is the cheapest option for a flight between Portland to Washington, D.C..

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

As of November 2026, prices for Portland to Washington, D.C. flights are approximately 100% 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

$192

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 $192. The best round-trip flight deal from Portland to Washington, D.C. found on momondo in the last 72 hours is $356.
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 in Washington, D.C.. From Portland there are direct flights to Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD).

Frequently asked questions about flying from Portland to Washington, D.C.

  • 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 48m.

  • 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
DeltaPriceFrom $128Free CancellationRating
7.8
8,701 reviews
Search Delta flights
Alaska AirlinesPriceFrom $223Free CancellationRating
7.9
13,143 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $229Free CancellationRating
7.0
12,232 reviews
Search American Airlines flights
United AirlinesPriceFrom $238Free CancellationRating
7.3
10,464 reviews
Search United Airlines flights
SouthwestPriceFrom $247Free CancellationRating
8.0
4,212 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 $223 round-trip. Over the 2 Alaska Airlines flights for this route in a normal week, average airfare is usually $503 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 (7.3/10, 10,462 ratings). United Airlines flies from Portland to Washington, D.C. around 7 times per week, with deals starting from $238 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
National Harbor
Arlington
Gettysburg
Fredericksburg
Waldorf
Laurel
Gaithersburg
Linthicum Heights
Woodbridge
Rockville
Silver Spring
Towson
Fairfax
Springfield
Glen Burnie
Edgewood
Colonial Beach
Falls Church
College Park

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
Sat 12/5
Sat 12/12

Find better results for your trip to the United States

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