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. Alaska Airlines provides one of the quickest options available for as low as $263. 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 $151, 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 Delta and American Airlines - these airlines can fly you to your destination from $226 and $276, 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 Frontier ($120), Southwest ($125), and Delta ($132).

In terms of precipitation, rainfall in Portland ranges from 0.7 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Portland when rainfall is around 0.7 in.

If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 $238. On average you can expect to pay $834. The most popular route, (Washington, D.C. Dulles Intl - Portland), can usually be booked for $349.

What are the most popular airlines that fly from Washington, D.C. to Portland?

United Airlines, Alaska Airlines and Delta are the most popular airlines when flying from Washington, D.C. to Portland.

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.

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.

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.

$132+ Cheap Flights from Washington, D.C. to Portland

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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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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 Saturday and return on a Wednesday

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

Cheapest

Best

Last-minute

One-way

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 August 23, 2026.

Tue 9/154:43 pm -

Nonstop5h 32m

Wed 9/307:30 am -

Nonstop5h 10m

Deal found 8/18

$263

Tue 9/1510:25 am -

2 stops10h 44m

Tue 9/2211:02 pm -

1 stop8h 28m

Deal found 8/18

$268

Sat 9/1210:00 am -

1 stop9h 20m

Sat 9/1910:45 pm -

Nonstop4h 55m

Deal found 8/21

$273

Mon 11/97:00 am -

1 stop12h 35m

Fri 11/133:47 pm -

1 stop27h 11m

Deal found 8/18

$273

Mon 10/57:00 am -

1 stop7h 43m

Tue 10/1311:49 am -

1 stop21h 15m

Deal found 8/21

$278

Sat 9/2610:05 am -

Nonstop5h 25m

Wed 9/304:00 pm -

1 stop11h 30m

Deal found 8/21

$279

Fri 9/116:00 am -

1 stop8h 54m

Mon 9/1412:39 pm -

1 stop14h 41m

Deal found 8/17

$279

Sat 9/196:00 am -

1 stop8h 36m

Sat 9/2612:24 pm -

1 stop14h 56m

Deal found 8/21

$280

Tue 9/152:03 pm -

1 stop10h 44m

Tue 9/2911:35 am -

1 stop6h 55m

Deal found 8/22

$283

Fri 9/116:00 am -

1 stop8h 54m

Sat 9/1912:24 pm -

1 stop14h 56m

Deal found 8/18

$286

Sat 10/316:00 pm -

1 stop21h 12m

Thu 11/512:02 pm -

1 stop6h 48m

Deal found 8/21

$288

Fri 10/166:00 am -

1 stop8h 40m

Mon 10/1912:25 pm -

1 stop14h 55m

Deal found 8/18

$289

Best flights from Washington, D.C. to Portland
Discover carefully curated flight deals from Washington, D.C. to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.

Tue 9/154:43 pm -

Nonstop5h 32m

Wed 9/307:30 am -

Nonstop5h 10m

Deal found 8/21

$263

Wed 9/163:40 pm -

1 stop8h 05m

Sat 9/195:30 pm -

1 stop10h 05m

Deal found 8/17

$263

Sat 9/196:15 am -

1 stop7h 34m

Sat 9/265:10 pm -

1 stop10h 08m

Deal found 8/19

$283

Sat 9/269:09 am -

2 stops11h 37m

Wed 9/307:02 am -

1 stop7h 41m

Deal found 8/21

$288

Wed 11/187:15 pm -

1 stop7h 44m

Wed 12/99:45 pm -

1 stop8h 31m

Deal found 8/21

$283

Wed 9/164:43 pm -

Nonstop5h 32m

Wed 9/237:30 am -

Nonstop5h 10m

Deal found 8/22

$318

Sat 10/246:05 am -

1 stop7h 30m

Thu 10/298:00 am -

1 stop10h 00m

Deal found 8/19

$340

Tue 9/154:43 pm -

Nonstop5h 32m

Tue 9/2911:48 am -

1 stop15h 42m

Deal found 8/18

$318

Wed 10/76:15 am -

2 stops11h 50m

Mon 10/127:35 pm -

1 stop12h 25m

Deal found 8/17

$341

Wed 9/231:10 pm -

1 stop9h 08m

Sun 9/278:25 am -

Nonstop5h 02m

Deal found 8/17

$465

Tue 10/206:20 am -

1 stop9h 40m

Sun 10/2511:35 pm -

2 stops10h 00m

Deal found 8/22

$385

Thu 10/157:05 am -

1 stop7h 44m

Sun 10/1810:15 pm -

1 stop10h 35m

Deal found 8/20

$427

Tue 10/207:24 pm -

1 stop21h 26m

Mon 10/265:38 pm -

1 stop21h 12m

Deal found 8/22

$423

Sun 9/276:10 am -

1 stop7h 14m

Sat 10/31:42 pm -

1 stop6h 41m

Deal found 8/18

$427

Wed 9/165:33 pm -

Nonstop5h 37m

Sat 9/198:25 am -

Nonstop5h 01m

Deal found 8/17

$475

Thu 9/103:25 pm -

1 stop10h 55m

Mon 9/1411:30 pm -

1 stop6h 45m

Deal found 8/19

$397

Tue 11/37:46 am -

1 stop8h 28m

Wed 11/115:43 pm -

1 stop9h 01m

Deal found 8/20

$427

Mon 10/194:48 pm -

1 stop8h 01m

Tue 10/2011:00 pm -

1 stop7h 19m

Deal found 8/19

$427

Fri 11/135:19 pm -

Nonstop5h 56m

Sat 11/148:30 am -

Nonstop4h 52m

Deal found 8/18

$475

Tue 11/103:35 pm -

2 stops9h 40m

Sat 11/146:55 am -

2 stops10h 40m

Deal found 8/18

$407

Sat 9/125:33 pm -

Nonstop5h 37m

Thu 9/178:25 am -

Nonstop5h 01m

Deal found 8/17

$475

Wed 9/237:25 am -

1 stop10h 16m

Sat 9/2612:25 am -

1 stop7h 28m

Deal found 8/17

$453

Mon 10/265:33 pm -

1 stop8h 29m

Thu 10/2911:03 am -

1 stop9h 56m

Deal found 8/21

$462

Thu 9/104:35 pm -

2 stops9h 35m

Mon 9/1411:30 pm -

1 stop6h 25m

Deal found 8/19

$433

Sun 10/257:02 am -

1 stop7h 34m

Fri 10/3012:18 pm -

1 stop8h 41m

Deal found 8/20

$462

Fri 11/131:35 pm -

2 stops10h 10m

Mon 11/166:20 am -

2 stops8h 40m

Deal found 8/20

$434

Sat 9/195:27 pm -

Nonstop5h 42m

Sat 9/267:52 am -

Nonstop5h 08m

Deal found 8/18

$475

Mon 9/286:40 pm -

1 stop7h 30m

Thu 10/15:10 am -

2 stops14h 45m

Deal found 8/18

$439

Tue 9/155:27 pm -

Nonstop5h 42m

Wed 9/307:52 am -

Nonstop5h 08m

Deal found 8/21

$475

Wed 9/233:50 pm -

2 stops10h 25m

Wed 9/305:50 am -

1 stop8h 10m

Deal found 8/17

$441

Last-minute flights from Washington, D.C. to Portland
Discover last-minute flight deals from Washington, D.C. to Portland. Data last updated August 23, 2026 and is based on user searches.

Fri 9/116:00 am -

1 stop8h 54m

Mon 9/1412:39 pm -

1 stop14h 41m

Deal found 8/18

$279

Fri 9/116:00 am -

1 stop8h 54m

Sat 9/1912:24 pm -

1 stop14h 56m

Deal found 8/18

$286

Sat 9/1210:00 am -

1 stop9h 20m

Sat 9/1910:45 pm -

Nonstop4h 55m

Deal found 8/21

$273

Tue 9/154:43 pm -

Nonstop5h 32m

Wed 9/307:30 am -

Nonstop5h 10m

Deal found 8/18

$263

Tue 9/1510:25 am -

2 stops10h 44m

Tue 9/2211:02 pm -

1 stop8h 28m

Deal found 8/18

$268

Tue 9/152:03 pm -

1 stop10h 44m

Tue 9/2911:35 am -

1 stop6h 55m

Deal found 8/22

$283

Wed 9/164:43 pm -

Nonstop5h 32m

Wed 9/237:30 am -

Nonstop5h 10m

Deal found 8/21

$291

Sat 9/196:00 am -

1 stop8h 36m

Sat 9/2612:24 pm -

1 stop14h 56m

Deal found 8/21

$280

Wed 9/231:00 pm -

1 stop25h 43m

Fri 9/2512:38 pm -

1 stop20h 33m

Deal found 8/20

$293

Sat 9/2610:05 am -

Nonstop5h 25m

Wed 9/304:00 pm -

1 stop11h 30m

Deal found 8/21

$279

Sat 9/268:50 am -

1 stop12h 25m

Sat 10/35:50 am -

2 stops8h 35m

Deal found 8/22

$294

Tue 9/2912:50 pm -

2 stops12h 10m

Sat 10/35:50 am -

2 stops8h 35m

Deal found 8/21

$293

One-way flights from Washington, D.C. to Portland
Search for one-way flight options from Washington, D.C. to Portland. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.

Sat 9/194:43 pm -

Nonstop5h 32m

Deal found 8/19

$132

Sat 9/1210:25 am -

2 stops10h 24m

Deal found 8/18

$137

Sat 9/197:35 am -

1 stop7h 40m

Deal found 8/19

$142

Sat 9/1912:10 pm -

2 stops11h 55m

Deal found 8/21

$147

Tue 9/223:10 pm -

2 stops45h 57m

Deal found 8/18

$151

Wed 9/234:43 pm -

Nonstop5h 32m

Deal found 8/22

$160

Wed 9/2310:22 am -

2 stops28h 21m

Deal found 8/22

$164

Wed 11/1812:06 pm -

2 stops35h 02m

Deal found 8/18

$165

Mon 10/199:15 am -

2 stops28h 39m

Deal found 8/21

$167

Mon 8/317:52 pm -

2 stops24h 19m

Deal found 8/18

$168

Wed 9/301:00 pm -

1 stop25h 43m

Deal found 8/22

$200

Sat 9/197:50 am -

2 stops29h 17m

Deal found 8/20

$200

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

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$263 (Alaska Airlines)
One-way from	$132 (Alaska Airlines)
Popular in	December
Cheapest in	September
Average price	$441
Good round-trip deal	$290 or less
Good one-way deal	$191 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. 3% potential increase in price ($15 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 August 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

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 Baltimore/Washington - PDX Portland

BWIPDX

Baltimore/Washington

Tue 9/15

4:43 pm-7:15 pm

Nonstop5h 32m

Portland

Wed 9/30

7:30 am-3:40 pm

Nonstop5h 10m

$263

BaltimorePortland

BWI Baltimore/Washington - PDX Portland

BWIPDX

Baltimore/Washington

Wed 9/16

3:40 pm-8:45 pm

1 stop8h 05m

Portland

Sat 9/19

5:30 pm-6:35 am

1 stop10h 05m

$263

BaltimorePortland

BWI Baltimore/Washington - PDX Portland

BWIPDX

Baltimore/Washington

Sat 9/19

6:15 am-10:49 am

1 stop7h 34m

Portland

Sat 9/26

5:10 pm-6:18 am

1 stop10h 08m

$283

BaltimorePortland

BWI Baltimore/Washington - PDX Portland

BWIPDX

Baltimore/Washington

Wed 11/18

7:15 pm-11:59 pm

1 stop7h 44m

Portland

Wed 12/9

9:45 pm-9:16 am

1 stop8h 31m

$283

BaltimorePortland

BWI Baltimore/Washington - PDX Portland

BWIPDX

Baltimore/Washington

Sat 9/26

9:09 am-5:46 pm

2 stops11h 37m

Portland

Wed 9/30

7:02 am-5:43 pm

1 stop7h 41m

$288

BaltimorePortland

BWI Baltimore/Washington - PDX Portland

BWIPDX

Baltimore/Washington

Wed 9/16

4:43 pm-7:15 pm

Nonstop5h 32m

Portland

Wed 9/23

7:30 am-3:40 pm

Nonstop5h 10m

$318

BaltimorePortland

BWI Baltimore/Washington - PDX Portland

BWIPDX

Baltimore/Washington

Tue 9/15

4:43 pm-7:15 pm

Nonstop5h 32m

Portland

Tue 9/29

11:48 am-6:30 am

1 stop15h 42m

$318

BaltimorePortland

BWI Baltimore/Washington - PDX Portland

BWIPDX

Baltimore/Washington

Sat 10/24

6:05 am-10:35 am

1 stop7h 30m

Portland

Thu 10/29

8:00 am-9:00 pm

1 stop10h 00m

$340

BaltimorePortland

BWI Baltimore/Washington - PDX Portland

BWIPDX

Baltimore/Washington

Wed 10/7

6:15 am-3:05 pm

2 stops11h 50m

Portland

Mon 10/12

7:35 pm-11:00 am

1 stop12h 25m

$341

BaltimorePortland

BWI Baltimore/Washington - PDX Portland

BWIPDX

Baltimore/Washington

Tue 10/20

6:20 am-1:00 pm

1 stop9h 40m

Portland

Sun 10/25

11:35 pm-12:35 pm

2 stops10h 00m

$385

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/22

Showing 1-10 of 60 resultsSorted by cheapest first

...

Compare providers for flights from Washington, D.C. to Portland

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 August.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
JustAirTicket	Price 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.

WAS-PDX

BWI-PDX

IAD-PDX

DCA-PDX

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

WAS-PDX

BWI-PDX

IAD-PDX

DCA-PDX

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

Currently, January 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 June is currently the most expensive (average of $572). 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?

It’s optimal to fly from Washington, D.C. to Portland in the evening. By choosing this option you can save up to 45% on the cost of your flight, compared to a flight at noon.

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

The most flights from WAS to PDX are scheduled on a Friday (3 on average). You will have fewer flight options on Monday, 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?

Airfare is below average for this route at the moment.

Washington, D.C. to Portland flights typically cost between $294 and $522 in September.
The cheapest round-trip price found within the last 5 days was $263 on Alaska Airlines (Sep 15-Sep 30).

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

Chicago (ORD) – chosen by Cheapflights users on 50% 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?

Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $275.

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

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?

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

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

4,214 reviews

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

4,214 reviews

Southwest

8.0

Very good

4,214 reviews

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

12,834 reviews

Southwest

8.0

Very good

4,214 reviews

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

8,518 reviews

Southwest

8.0

Very good

4,214 reviews

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

10,112 reviews

Southwest

8.0

Very good

4,214 reviews

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

11,989 reviews

Southwest

8.0

Very good

4,214 reviews

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

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. Alaska Airlines provides one of the quickest options available for as low as $263. 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 $151, 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 Delta and American Airlines - these airlines can fly you to your destination from $226 and $276, 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 Frontier ($120), 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 $238. On average you can expect to pay $834. The most popular route, (Washington, D.C. Dulles Intl - Portland), can usually be booked for $349.
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, January 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 June is currently the most expensive (average of $572). 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.

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

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$151	Average$263	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$199	Average$394	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$213	Average$497	FlexibilityNo cancel fee	On-time75%
Southwest	Cheapest$223	Average$449	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$244	Average$450	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$249	Average$418	FlexibilityNo cancel fee	On-time71%

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$132+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.

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

Cheapest flights from Washington, D.C. to PortlandExplore 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 August 23, 2026.

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 August 23, 2026.

Best flights from Washington, D.C. to PortlandDiscover carefully curated flight deals from Washington, D.C. to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.

Discover carefully curated flight deals from Washington, D.C. to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.

Last-minute flights from Washington, D.C. to PortlandDiscover last-minute flight deals from Washington, D.C. to Portland. Data last updated August 23, 2026 and is based on user searches.

Discover last-minute flight deals from Washington, D.C. to Portland. Data last updated August 23, 2026 and is based on user searches.

One-way flights from Washington, D.C. to PortlandSearch for one-way flight options from Washington, D.C. to Portland. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.

Search for one-way flight options from Washington, D.C. to Portland. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.

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

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 August.

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.

Cheapflights Insights

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

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 August 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 45% on the cost of your flight, compared to a flight at noon.

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

The most flights from WAS to PDX are scheduled on a Friday (3 on average). You will have fewer flight options on Monday, 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?

Airfare is below average for this route at the moment.

Washington, D.C. to Portland flights typically cost between $294 and $522 in September.The cheapest round-trip price found within the last 5 days was $263 on Alaska Airlines (Sep 15-Sep 30).

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.

Chicago (ORD) – chosen by Cheapflights users on 50% 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 $275.

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

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.

Related info for your journey

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

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

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

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

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

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

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

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

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

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

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Find flights from Washington, D.C. to Portland, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Washington, D.C. and Portland flights

Browse other Washington, D.C. and Portland flight options. Last updated on August 23, 2026.

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 August 23, 2026.

Best flights from Washington, D.C. to Portland
Discover carefully curated flight deals from Washington, D.C. to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.

Last-minute flights from Washington, D.C. to Portland
Discover last-minute flight deals from Washington, D.C. to Portland. Data last updated August 23, 2026 and is based on user searches.

One-way flights from Washington, D.C. to Portland
Search for one-way flight options from Washington, D.C. to Portland. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.

Washington, D.C. to Portland flights typically cost between $294 and $522 in September.
The cheapest round-trip price found within the last 5 days was $263 on Alaska Airlines (Sep 15-Sep 30).