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$92+ 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — PDX
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Portland are usually found in January or September, booked 11 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap 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 September 17, 2025.

Round-trip from

$167
(Priceline)

One-way from

$92
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$377

Good round-trip deal

$332 or less

Good one-way deal

$173 or less
From Washington, D.C. (WAS) to Portland
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One-way flight from Washington, D.C. (WAS) to Portland
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Highest demand for flights based on searches. 3% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Washington, D.C. (WAS) to Portland.
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Price to beat on a one-way flight from Washington, D.C. (WAS) to Portland.
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Find 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 September 17, 2025.

This Priceline deal was found by Cheapflights users on 9/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/36:27 pmBWI - PDX
1 stop8h 45mFrontier
Mon 10/66:05 amPDX - BWI
1 stop8h 37mFrontier
Deal found 9/15$167
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/187:00 pmBWI - PDX
1 stop8h 28mUnited Airlines
Sat 10/255:15 pmPDX - BWI
1 stop9h 35mUnited Airlines
Deal found 9/15$185
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/187:00 pmBWI - PDX
1 stop8h 28mUnited Airlines
Tue 10/215:00 amPDX - BWI
2 stops9h 26mUnited Airlines
Deal found 9/15$190
This Delta deal was found by Cheapflights users on 9/15. 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 11/56:00 amBWI - PDX
1 stop9h 50mDelta
Mon 11/1011:15 pmPDX - BWI
1 stop7h 47mDelta
Deal found 9/15$197
This Frontier deal was found by Cheapflights users on 9/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/296:27 pmBWI - PDX
1 stop8h 45mFrontier
Thu 10/26:05 amPDX - BWI
2 stops15h 12mFrontier
Deal found 9/15$203
This Frontier deal was found by Cheapflights users on 9/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/266:27 pmBWI - PDX
1 stop8h 45mFrontier
Mon 9/296:05 amPDX - BWI
1 stop8h 37mFrontier
Deal found 9/14$212
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/216:45 pmBWI - PDX
2 stops43h 53mFrontier
Sat 10/2512:43 pmPDX - BWI
1 stop26h 01mFrontier
Deal found 9/15$213
This CheapOair deal was found by Cheapflights users on 9/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/246:29 pmBWI - PDX
1 stop20h 19mFrontier
Sun 10/2612:43 pmPDX - BWI
1 stop26h 01mFrontier
Deal found 9/16$232
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/246:29 pmBWI - PDX
1 stop20h 19mMultiple Airlines
Mon 10/2711:45 amPDX - BWI
1 stop13h 45mMultiple Airlines
Deal found 9/17$238
This CheapOair deal was found by Cheapflights users on 9/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/99:13 amBWI - PDX
2 stops29h 43mFrontier
Thu 11/1312:52 pmPDX - BWI
2 stops23h 15mFrontier
Deal found 9/16$239
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2510:10 amBWI - PDX
1 stop7h 55mUnited Airlines
Wed 10/296:00 amPDX - BWI
2 stops10h 21mUnited Airlines
Deal found 9/15$241
This United Airlines deal was found by Cheapflights users on 9/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/96:01 amIAD - PDX
1 stop8h 57mUnited Airlines
Sat 10/118:08 amPDX - IAD
Nonstop5h 07mUnited Airlines
Deal found 9/16$271

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 September 17, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Portland that are best for you.

Fly from

Washington, D.C.

Fly to

Portland

Route

Depart

Return

Price

BaltimorePortland

BWI - PDX

BWIPDX

Baltimore/Washington

Sat 10/18

7:00 pm-12:28 am

1 stop8h 28m

Portland

Sat 10/25

5:15 pm-5:50 am

1 stop9h 35m

$185

BaltimorePortland

BWI - PDX

BWIPDX

Baltimore/Washington

Wed 10/29

10:10 am-6:36 pm

2 stops11h 26m

Portland

Sat 11/1

8:30 am-7:21 pm

1 stop7h 51m

$190

BaltimorePortland

BWI - PDX

BWIPDX

Baltimore/Washington

Wed 11/5

6:00 am-12:50 pm

1 stop9h 50m

Portland

Mon 11/10

11:15 pm-10:02 am

1 stop7h 47m

$197

BaltimorePortland

BWI - PDX

BWIPDX

Baltimore/Washington

Sat 11/1

6:00 am-12:50 pm

1 stop9h 50m

Portland

Thu 11/6

5:10 pm-6:00 am

1 stop9h 50m

$197

BaltimorePortland

BWI - PDX

BWIPDX

Baltimore/Washington

Thu 10/16

6:45 am-12:42 pm

1 stop8h 57m

Portland

Mon 10/20

11:59 pm-9:55 am

1 stop6h 56m

$242

BaltimorePortland

BWI - PDX

BWIPDX

Baltimore/Washington

Fri 3/6

6:56 pm-12:19 am

1 stop8h 23m

Portland

Sun 3/8

3:41 pm-5:19 am

2 stops10h 38m

$252

BaltimorePortland

BWI - PDX

BWIPDX

Baltimore/Washington

Thu 12/4

7:00 am-1:30 pm

1 stop9h 30m

Portland

Tue 12/9

6:15 am-3:40 pm

1 stop6h 25m

$257

BaltimorePortland

BWI - PDX

BWIPDX

Baltimore/Washington

Thu 11/13

3:55 pm-11:35 pm

1 stop10h 40m

Portland

Mon 11/17

6:55 pm-5:45 am

1 stop7h 50m

$257

BaltimorePortland

BWI - PDX

BWIPDX

Baltimore/Washington

Sun 10/26

6:00 am-10:29 am

1 stop7h 29m

Portland

Sat 11/1

11:39 am-11:02 pm

1 stop8h 23m

$257

BaltimorePortland

BWI - PDX

BWIPDX

Baltimore/Washington

Fri 10/24

4:35 pm-11:55 pm

1 stop10h 20m

Portland

Mon 10/27

7:35 pm-5:00 am

1 stop6h 25m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 60 results
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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

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Portland. Price data was last updated on September 12, 2025.

The best time to book flights from Washington, D.C. to Portland is 11 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.

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Portland (average of $277). Flying from Washington, D.C. to Portland in March is currently the most expensive (average of $368). 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 September 17, 2025.

It’s optimal to fly from Washington, D.C. to Portland in the afternoon. By choosing this option you can save up to 59% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Washington, D.C. to Portland?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Portland. Price data was last updated on August 10, 2025.

Travelers seeking maximum savings on their Washington, D.C. to Portland flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Washington, D.C. to Portland

Explore weekly flight availability from Washington, D.C. to Portland. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 17, 2025.

The most flights from WAS to PDX are scheduled on a Monday (4 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (2 on average).

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 95% 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.

Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $203.

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 Seattle (SEA) have the shortest average one-way travel time for 1-stop routes: 8h 33m.

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 Seattle (SEA) offer the fastest connection on this route, with an average layover time of 1h 20m.

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 September 17, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Portland, such as Alaska Airlines, Southwest, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Southwest
8.0
Very good
4,242 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Delta
8.0
Very good
7,961 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
United Airlines
7.4
Good
8,926 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Frontier
5.8
Fair
3,173 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.

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 3 inbound flights from Washington, D.C. per day from 10 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 57m. United Airlines provides one of the quickest options available for as low as $277. There are 2343 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 $148, 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 Sun Country Air and American Airlines - these airlines can fly you to your destination from $181 and $182, respectively. These flights start at 66% 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 United Airlines ($93), Delta ($149), and Alaska Airlines ($154).

  • 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 $168. On average you can expect to pay $348. The most popular route, (Washington, D.C. Dulles Intl - Portland), can usually be booked for $197.

  • 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, November is the cheapest month in which you can book a flight from Washington, D.C. to Portland (average of $277). Flying from Washington, D.C. to Portland in March is currently the most expensive (average of $368). 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
Vancouver
Seaside
Beaverton
Clackamas
McMinnville
Lake Oswego
Hillsboro
Cannon Beach
Long Beach
Longview
Lincoln City
Tigard
Depoe Bay
Stevenson
Wilsonville
Pacific City
Tillamook
Troutdale
Gresham
Silverton

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from Washington, D.C. to Portland

Discover the top 10 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$146Average$252FlexibilityNo cancel feeOn-time65%
FrontierCheapest$148Average$300FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$181Average$495FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$182Average$474FlexibilityNo cancel feeOn-time71%
DeltaCheapest$236Average$405FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$257Average$278FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$271Average$521FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$297Average$438FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$297Average$507FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$324Average$518FlexibilityNo cancel feeOn-time63%

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