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$84+ Cheap flights from Washington, D.C. (WAS) to Portland (PDX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — PDX
Aug 22 — Aug 291
Sat 8/22
Sat 8/29
1 adult, Economy
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Find cheap flights from Washington, D.C. to Portland with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Washington, D.C. to Portland are usually found in September or January, booked 65 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap flight deals from Washington, D.C. to Portland

Cheapest flights from Washington, D.C. to Portland
Explore the most affordable flight options available from Washington, D.C. to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.

This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:15 pm
BWI
-
PDX
2 stops8h 50m
Southwest
Mon 9/287:55 pm
PDX
-
BWI
1 stop7h 40m
Southwest
Deal found 7/22$257
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2910:00 am
BWI
-
PDX
1 stop9h 20m
Southwest
Sat 9/56:00 am
PDX
-
BWI
2 stops10h 15m
Southwest
Deal found 7/21$262
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:20 pm
BWI
-
PDX
1 stop8h 45m
Southwest
Mon 8/316:25 am
PDX
-
BWI
2 stops14h 00m
Southwest
Deal found 7/22$263
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:30 am
BWI
-
PDX
1 stop10h 45m
Southwest
Wed 8/266:25 pm
PDX
-
BWI
1 stop9h 05m
Southwest
Deal found 7/21$265
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:39 am
BWI
-
PDX
1 stop7h 30m
Delta
Fri 8/215:08 pm
PDX
-
BWI
1 stop10h 12m
Delta
Deal found 7/22$266
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/203:25 pm
BWI
-
PDX
1 stop10h 50m
Southwest
Thu 8/2711:30 pm
PDX
-
BWI
1 stop9h 25m
Southwest
Deal found 7/21$267
This Alaska Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/294:43 pm
BWI
-
PDX
Nonstop5h 32m
Alaska Airlines
Wed 9/27:30 am
PDX
-
BWI
Nonstop5h 10m
Alaska Airlines
Deal found 7/21$268
This Alaska Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/294:43 pm
BWI
-
PDX
Nonstop5h 32m
Alaska Airlines
Sat 9/57:30 am
PDX
-
BWI
Nonstop5h 10m
Alaska Airlines
Deal found 7/18$269
This Southwest deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:25 am
BWI
-
PDX
1 stop10h 45m
Southwest
Tue 8/2510:45 pm
PDX
-
BWI
Nonstop4h 55m
Southwest
Deal found 7/19$270
This Southwest deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:50 am
BWI
-
PDX
1 stop12h 20m
Southwest
Sat 9/261:35 pm
PDX
-
BWI
2 stops14h 00m
Southwest
Deal found 7/20$273
This Delta deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:05 am
BWI
-
PDX
2 stops16h 39m
Delta
Sat 8/296:45 am
PDX
-
BWI
1 stop10h 05m
Delta
Deal found 7/17$275
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:59 am
IAD
-
PDX
2 stops29h 36m
Frontier
Sun 8/301:47 pm
PDX
-
IAD
1 stop15h 17m
Frontier
Deal found 7/19$310

Find flight deals from Washington, D.C. to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$257
(Southwest)

One-way from

$84
(Southwest)

Popular in

December

Cheapest in

September

Average price

$465

Good round-trip deal

$368 or less

Good one-way deal

$233 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Portland flights.
Search Deals
From Washington, D.C. (WAS) to Portland
Search Deals
One-way flight from Washington, D.C. (WAS) to Portland
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. (WAS) to Portland.
Search Deals
Price to beat on a one-way flight from Washington, D.C. (WAS) to Portland.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Portland 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, Cheapflights users made 2,558,603 searches. Data last updated July 23, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimorePortland

BWI - PDX

BWIPDX

Baltimore/Washington

Wed 9/23

3:40 pm-10:15 pm

2 stops9h 35m

Portland

Tue 9/29

11:30 pm-9:15 am

1 stop6h 45m

$297

BaltimorePortland

BWI - PDX

BWIPDX

Baltimore/Washington

Mon 9/7

4:43 pm-7:15 pm

Nonstop5h 32m

Portland

Sat 9/12

7:30 am-3:40 pm

Nonstop5h 10m

$300

BaltimorePortland

BWI - PDX

BWIPDX

Baltimore/Washington

Tue 9/15

2:03 pm-6:59 pm

1 stop7h 56m

Portland

Tue 9/29

8:44 pm-8:50 am

2 stops9h 06m

$305

BaltimorePortland

BWI - PDX

BWIPDX

Baltimore/Washington

Wed 8/19

2:18 pm-10:02 pm

2 stops10h 44m

Portland

Fri 8/28

1:30 pm-11:18 pm

1 stop6h 48m

$310

BaltimorePortland

BWI - PDX

BWIPDX

Baltimore/Washington

Sun 9/20

4:43 pm-7:15 pm

Nonstop5h 32m

Portland

Sat 9/26

7:30 am-3:40 pm

Nonstop5h 10m

$335

BaltimorePortland

BWI - PDX

BWIPDX

Baltimore/Washington

Fri 8/7

3:00 pm-11:05 pm

2 stops11h 05m

Portland

Wed 8/12

5:50 am-8:25 pm

1 stop11h 35m

$337

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Tue 11/10

4:40 pm-10:04 pm

1 stop8h 24m

Portland

Fri 11/20

11:39 am-10:14 pm

1 stop7h 35m

$357

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Sat 9/12

7:47 pm-9:30 am

1 stop16h 43m

Portland

Thu 9/17

11:48 am-11:59 pm

1 stop9h 11m

$357

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Wed 9/23

4:45 pm-10:02 pm

1 stop8h 17m

Portland

Mon 9/28

5:30 am-3:32 pm

1 stop7h 02m

$357

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Sat 9/26

6:05 am-12:37 pm

1 stop9h 32m

Portland

Tue 9/29

10:57 pm-11:26 am

1 stop9h 29m

$357

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/20

Showing 1-10 of 60 resultsSorted by cheapest first
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Compare providers for flights from Washington, D.C. to Portland

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Portland in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C.-Portland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Portland flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Portland flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Portland flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Portland flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Washington, D.C. to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Washington, D.C. with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Portland

What is the cheapest month to book a flight from Washington, D.C. to Portland?

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Portland (average of $381). Flying from Washington, D.C. to Portland in December is currently the most expensive (average of $583). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WAS to PDX?

Find hourly flight availability from Washington, D.C. to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 23, 2026.

It’s optimal to fly from Washington, D.C. to Portland in the evening. By choosing this option you can save up to 44% on the cost of your flight, compared to a flight at noon.

How much does it cost to fly round-trip from Washington, D.C. to Portland?

What’s the top layover airport for flights from Washington, D.C. to Portland?

Share of 1-stop round-trip flights from Washington, D.C. to Portland chosen by Cheapflights users in the past 12 months, using the same layover each way.

Denver (DEN) – chosen by Cheapflights users on 92% of 1-stop itineraries from Washington, D.C. to Portland on Cheapflights.

What’s the cheapest layover airport for flights from Washington, D.C. to Portland?

Average round-trip fare for 1-stop flights from Washington, D.C. to Portland, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Chicago (ORD) is the most affordable 1-stop option, with an average round-trip price of $316.

What’s the fastest layover option from Washington, D.C. to Portland?

Shortest average travel time for 1-stop one-way flights from Washington, D.C. to Portland, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 8h 15m.

Which airport typically offers the quickest layover for flights from Washington, D.C. to Portland?

Average layover duration for 1-stop one-way flights from Washington, D.C. to Portland, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 06m.

How far ahead should I book a flight from Washington, D.C. to Portland?

The best time to book flights from Washington, D.C. to Portland is 64 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated July 23, 2026.
Read through reviews of airlines operating flights from Washington, D.C. to Portland, such as Southwest,Alaska Airlines, andDelta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,240 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Southwest
8.0
Very good
4,240 reviews
Southwest
8.0
Very good
4,240 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Alaska Airlines
7.9
Good
12,689 reviews
Southwest
8.0
Very good
4,240 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Delta
7.8
Good
8,477 reviews
Southwest
8.0
Very good
4,240 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
United Airlines
7.4
Good
10,019 reviews
Southwest
8.0
Very good
4,240 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
American Airlines
7.1
Good
11,835 reviews
Southwest
8.0
Very good
4,240 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Portland from Washington, D.C.?

    Most people fly into Portland (PDX) if they book a flight to Portland from Washington, D.C.. On average, Portland has 2 inbound flights from Washington, D.C. per day from 6 airlines. Portland is conveniently located just 6.0 mi from Portland’s city center.

  • How long is the flight from Washington, D.C. to Portland?

    A quick flight from Washington, D.C. to Portland can take about 5h 32m. Southwest provides one of the quickest options available for as low as $300. There are 2351 mi between Washington, D.C. and Portland. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Washington, D.C. to Portland round-trip?

    Currently priced at $172, Frontier will fly you from Washington, D.C. to Portland and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Delta - these airlines can fly you to your destination from $211 and $226, respectively. These flights start at 61% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Washington, D.C. to Portland one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. to Portland are Frontier ($93), Southwest ($125), and Delta ($132).

  • What are the most popular routes from Washington, D.C. to Portland?

    Most travelers choose Washington, D.C. Dulles Intl - Portland, Washington, D.C. Reagan-National - Portland or Baltimore/Washington - Portland when deciding on the best route from Washington, D.C. to Portland.

  • What are the cheapest flights from Washington, D.C. to Portland?

    The cheapest flight price from Washington, D.C. to Portland is $253. On average you can expect to pay $440. The most popular route, (Washington, D.C. Dulles Intl - Portland), can usually be booked for $357.

  • Can I find deals for flights from Washington, D.C. to Portland that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Portland.

  • Can I find deals for business class flights from Washington, D.C. to Portland?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. to Portland?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Portland (average of $381). Flying from Washington, D.C. to Portland in December is currently the most expensive (average of $583). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Beaverton
Seaside
Lincoln City
Vancouver
Longview
Lake Oswego
Hillsboro
Kelso
Clackamas
Troutdale
Cannon Beach
Long Beach
McMinnville
The Dalles
Wilsonville
Depoe Bay
Stevenson
Tillamook
Astoria
Gresham

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Washington, D.C. to Portland

Discover the top 6 airlines that operate flights from Washington, D.C. to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$172Average$333FlexibilityNo cancel feeOn-time62%
DeltaCheapest$199Average$392FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$211Average$497FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$213Average$492FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$237Average$465FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$244Average$452FlexibilityNo cancel feeOn-time69%

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