Cheap flights from Washington, D.C. to Portland from $144

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Portland departing on 4/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:05 am - 12:25 pm
BWI
-
PDX
9h 20m
1 stop
United Airlines Logo
11:59 pm - 9:39 am
PDX
-
BWI
6h 40m
1 stop
$292United Airlines
Sat, Apr 25 - Tue, Apr 28
Delta Logo
3:00 pm - 8:07 pm
BWI
-
PDX
8h 07m
1 stop
Delta Logo
12:30 am - 10:22 am
PDX
-
BWI
6h 52m
1 stop
$297Delta
Sat, Apr 18 - Tue, Apr 21
Frontier Logo
1:59 pm - 11:42 am
DCA
-
PDX
24h 43m
1 stop
Frontier Logo
11:48 am - 1:00 pm
PDX
-
DCA
22h 12m
1 stop
$298Frontier
Fri, Apr 24 - Mon, Apr 27
United Airlines Logo
6:05 am - 12:25 pm
BWI
-
PDX
9h 20m
1 stop
United Airlines Logo
7:45 pm - 7:20 am
PDX
-
BWI
8h 35m
1 stop
$298United Airlines
Tue, Apr 28 - Fri, May 8
Southwest Logo
4:40 pm - 9:00 pm
BWI
-
PDX
7h 20m
1 stop
Southwest Logo
9:20 pm - 5:15 am
PDX
-
BWI
4h 55mnonstop
$299Southwest
Thu, Jun 4 - Mon, Jun 8
Multiple Airlines Logo
6:47 pm - 9:48 am
IAD
-
PDX
18h 01m
1 stop
Multiple Airlines Logo
6:19 pm - 8:12 am
PDX
-
IAD
10h 53m
1 stop
$299Multiple Airlines
Tue, Apr 28 - Sat, May 30
Frontier Logo
6:00 pm - 11:03 am
DCA
-
PDX
20h 03m
1 stop
Frontier Logo
11:58 am - 4:59 pm
PDX
-
DCA
26h 01m
1 stop
$301Frontier
Thu, Apr 2 - Mon, Apr 6
United Airlines Logo
11:08 am - 9:14 pm
BWI
-
PDX
13h 06m
2 stops
United Airlines Logo
11:59 pm - 9:39 am
PDX
-
BWI
6h 40m
1 stop
$302United Airlines
Sat, Apr 25 - Tue, Apr 28
Delta Logo
3:00 pm - 8:07 pm
BWI
-
PDX
8h 07m
1 stop
Delta Logo
5:05 pm - 5:45 am
PDX
-
BWI
9h 40m
1 stop
$303Delta
Sat, May 2 - Wed, Jun 3
Southwest Logo
3:15 pm - 9:00 pm
BWI
-
PDX
8h 45m
2 stops
Southwest Logo
9:20 pm - 5:15 am
PDX
-
BWI
4h 55mnonstop
$304Southwest
Thu, Jun 4 - Mon, Jun 8

Southwest flights from Washington, D.C. to Portland

Our best Southwest deals on Washington, D.C. to Portland flight tickets
Southwest
Jun 4
BWI4:40 pmBaltimore/Washington
7h 20m
1 stop
PDX9:00 pmPortland
Jun 8
PDX9:20 pmPortland
4h 55m
BWI5:15 amBaltimore/Washington
$299
Southwest
Jun 4
BWI3:15 pmBaltimore/Washington
8h 45m
2 stops
PDX9:00 pmPortland
Jun 8
PDX9:20 pmPortland
4h 55m
BWI5:15 amBaltimore/Washington
$304
Southwest
May 5
BWI3:30 pmBaltimore/Washington
8h 30m
1 stop
PDX9:00 pmPortland
May 12
PDX11:55 pmPortland
8h 55m
2 stops
BWI11:50 amBaltimore/Washington
$310

Frontier flights from Washington, D.C. to Portland

Our best Frontier deals on Washington, D.C. to Portland flight tickets
Frontier
Apr 24
DCA1:59 pmWashington, D.C. Reagan-National
24h 43m
1 stop
PDX11:42 amPortland
Apr 27
PDX11:48 amPortland
22h 12m
1 stop
DCA1:00 pmWashington, D.C. Reagan-National
$298
Frontier
Apr 2
DCA6:00 pmWashington, D.C. Reagan-National
20h 03m
1 stop
PDX11:03 amPortland
Apr 6
PDX11:58 amPortland
26h 01m
1 stop
DCA4:59 pmWashington, D.C. Reagan-National
$301
Frontier
Apr 21
DCA1:59 pmWashington, D.C. Reagan-National
24h 53m
1 stop
PDX11:52 amPortland
Apr 24
PDX11:48 amPortland
22h 12m
1 stop
DCA1:00 pmWashington, D.C. Reagan-National
$303

momondo 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, momondo users made 832,500 searches. Data last updated March 22, 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

Sat 4/25

6:05 am-12:25 pm

1 stop9h 20m

Portland

Tue 4/28

11:59 pm-9:39 am

1 stop6h 40m

$292

BaltimorePortland

BWI - PDX

BWIPDX

Baltimore/Washington

Sat 4/18

3:00 pm-8:07 pm

1 stop8h 07m

Portland

Tue 4/21

12:30 am-10:22 am

1 stop6h 52m

$297

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Fri 4/24

1:59 pm-11:42 am

1 stop24h 43m

Portland

Mon 4/27

11:48 am-1:00 pm

1 stop22h 12m

$298

BaltimorePortland

BWI - PDX

BWIPDX

Baltimore/Washington

Tue 4/28

6:05 am-12:25 pm

1 stop9h 20m

Portland

Fri 5/8

7:45 pm-7:20 am

1 stop8h 35m

$298
Quickest round-trip

BaltimorePortland

BWI - PDX

BWIPDX

Baltimore/Washington

Thu 6/4

4:40 pm-9:00 pm

1 stop7h 20m

Portland

Mon 6/8

9:20 pm-5:15 am

Nonstop4h 55m

$299

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Tue 4/28

6:47 pm-9:48 am

1 stop18h 01m

Portland

Sat 5/30

6:19 pm-8:12 am

1 stop10h 53m

$299

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Thu 4/2

6:00 pm-11:03 am

1 stop20h 03m

Portland

Mon 4/6

11:58 am-4:59 pm

1 stop26h 01m

$301

BaltimorePortland

BWI - PDX

BWIPDX

Baltimore/Washington

Sat 4/25

11:08 am-9:14 pm

2 stops13h 06m

Portland

Tue 4/28

11:59 pm-9:39 am

1 stop6h 40m

$302

BaltimorePortland

BWI - PDX

BWIPDX

Baltimore/Washington

Sat 5/2

3:00 pm-8:07 pm

1 stop8h 07m

Portland

Wed 6/3

5:05 pm-5:45 am

1 stop9h 40m

$303

BaltimorePortland

BWI - PDX

BWIPDX

Baltimore/Washington

Thu 6/4

3:15 pm-9:00 pm

2 stops8h 45m

Portland

Mon 6/8

9:20 pm-5:15 am

Nonstop4h 55m

$304

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portland from

How to get the cheapest flight ticket from Washington, D.C. to Portland

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 Washington, D.C. and Portland?

What is the cheapest month to fly to Portland?

The cheapest month to fly to Portland from Washington, D.C. is in January. Flight prices, which tend to average around $373, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in January, then you should wait until September to fly from Washington, D.C., when ticket prices are also cheap, with an average price of $378.

What is the cheapest day to depart on your flight to Portland?

The cheapest day to depart on your flight to Portland is on a Wednesday when prices can be found for as low as $441. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Sunday, with ticket prices averaging around $557.

What is the cheapest time of day to depart on your flight to Portland?

The cheapest time of day to fly to Portland is in the evening when flights can be purchased for as low as $396. In the afternoon is when there is more demand to fly to Portland, so prices are often more expensive at around $481 per ticket.

What is the cheapest Washington, D.C. to Portland flight route?

Fly from Baltimore/Washington to Portland for the best Washington, D.C. - Portland flight prices

How far in advance should I book a flight to Portland?

You are more likely to see cheaper flights to Portland from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $453 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Washington, D.C. for as low as $377 on momondo.

What cabin class options are available on Washington, D.C. to Portland flights?

There are 4 cabin classes available to choose from on Washington, D.C. to Portland 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 Washington, D.C. to Portland flights?

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

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

As of March 2026, prices for Washington, D.C. to Portland flights are approximately 3% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. to Portland

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Portland according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to Portland (WAS to PDX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Portland

Best Price Found

$178

Fastest flight time

5h 25m

Direct flights

Every day

Airports in Portland

1 airport
The best one-way flight to Portland from Washington, D.C. in the past 72 hours is $178. The best round-trip flight deal from Washington, D.C. to Portland found on momondo in the last 72 hours is $357.
The fastest flight from Washington, D.C. to Portland takes 5h 25m
Direct flights go from Washington, D.C. to Portland every day.
There is 1 airport in Portland. From Washington, D.C. there are direct flights to Portland (PDX).
  • How far is Washington, D.C. to Portland by plane?

    Washington, D.C. and Portland are 2345.6 mi apart from one another. By plane, this route typically takes 5h 25m.

  • When did momondo last update prices for flights from Washington, D.C. to Portland Airport?

    Prices for flights from Washington, D.C. to Portland Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. to Portland Airport?

  • How old do you have to be to fly from Washington, D.C. to Portland Airport?

    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 Washington, D.C. to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The travel and health documents required for your trip to Portland Airport 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 Portland Airport. 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 Washington, D.C. to Portland?

  • What is the most popular airline from Washington, D.C. to Portland?

Best airlines flying from Washington, D.C. to Portland

Compare and see reviews for airlines that fly from Washington, D.C. to Portland with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $130Free CancellationRating
5.7
3,018 reviews
Search Frontier flights
DeltaPriceFrom $178Free CancellationRating
7.9
8,319 reviews
Search Delta flights
American AirlinesPriceFrom $182Free CancellationRating
7.1
11,488 reviews
Search American Airlines flights
Sun Country AirPriceFrom $188Free CancellationRating
6.8
340 reviews
Search Sun Country Air flights
Spirit AirlinesPriceFrom $199Free CancellationRating
6.3
8,537 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $248Free CancellationRating
7.4
9,459 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $253Free CancellationRating
7.9
12,096 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $256Free CancellationRating
8.0
4,324 reviews
Search Southwest flights
Hawaiian AirlinesPriceFrom $297Free CancellationRating
7.8
2,841 reviews
Search Hawaiian Airlines flights
  • Alaska Airlines Flights From Washington, D.C. to Portland

    The lowest priced Alaska Airlines flight from Washington, D.C. to Portland from the last 72 hours was $253. Generally, Alaska Airlines has 1 flight on this route every week with an average price of $468. Alaska Airlines is rated 7.9/10 by our users.

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

    Hawaiian Airlines is also a popular choice for this route. Hawaiian Airlines flight deals for Washington, D.C. to Portland start from as low as $297 round-trip, depending on your selected dates, with average Hawaiian Airlines deals seen on momondo around $478. Hawaiian Airlines operates 8 flights to Portland from Washington, D.C. in an average week. Users have rated it 7.8/10 across 2,841 reviews.

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Lincoln City
Seaside
Cannon Beach
Vancouver
Salem
Astoria
Long Beach
Rockaway Beach
Depoe Bay
Beaverton
Hillsboro
Tigard
Hood River
Longview
Troutdale
Newberg
McMinnville
The Dalles
Manzanita
Pacific City

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Portland?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Portland. momondo saves you time and could save you money on your trip.

Can I find flights from Washington, D.C. to Portland with flexible booking policies on momondo?

Yes. All flights to Portland from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington, D.C. to Portland?

momondo provides multiple filters to help you find the best flight to Portland from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Washington, D.C. to Portland right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Portland from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Portland trip

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1 adult
Tue 4/21
Tue 4/28

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