Cheap flights from Washington, D.C. to Portland from $100

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 10/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. to Portland

Cheap round-trip flights

Frontier Logo
6:27 pm - 12:12 amBWI-PDX
8h 45m1 stop
Frontier Logo
6:05 am - 5:42 pmPDX-BWI
8h 37m1 stop
$167Frontier
Find Deal
Fri, Sep 12 - Mon, Sep 15
Frontier Logo
6:27 pm - 12:12 amBWI-PDX
8h 45m1 stop
Frontier Logo
6:05 am - 5:42 pmPDX-BWI
8h 37m1 stop
$202Frontier
Find Deal
Mon, Sep 8 - Fri, Sep 12
United Airlines Logo
1:10 pm - 6:45 pmBWI-PDX
8h 35m1 stop
United Airlines Logo
6:00 am - 5:16 pmPDX-BWI
8h 16m1 stop
$232United Airlines
Find Deal
Sat, Dec 13 - Sun, Dec 14
Delta Logo
5:35 am - 10:32 amBWI-PDX
7h 57m1 stop
Delta Logo
5:10 pm - 6:00 amPDX-BWI
9h 50m1 stop
$235Delta
Find Deal
Wed, Sep 17 - Wed, Oct 1
United Airlines Logo
6:45 am - 12:42 pmBWI-PDX
8h 57m1 stop
United Airlines Logo
5:15 pm - 5:50 amPDX-BWI
9h 35m1 stop
$237United Airlines
Find Deal
Tue, Oct 7 - Sat, Oct 11
Delta Logo
7:15 am - 12:20 pmBWI-PDX
8h 05m1 stop
Delta Logo
10:58 pm - 8:48 amPDX-BWI
6h 50m1 stop
$258Delta
Find Deal
Tue, Oct 14 - Mon, Oct 20
Alaska Airlines Logo
6:25 am - 12:25 pmIAD-PDX
9h 00m1 stop
Alaska Airlines Logo
5:30 pm - 6:23 amPDX-IAD
9h 53m1 stop
$296Alaska Airlines
Find Deal
Wed, Oct 15 - Tue, Oct 28
Alaska Airlines Logo
6:25 am - 12:25 pmIAD-PDX
9h 00m1 stop
Alaska Airlines Logo
1:25 pm - 12:23 amPDX-IAD
7h 58m1 stop
$302Alaska Airlines
Find Deal
Tue, Oct 7 - Sat, Oct 11
Southwest Logo
4:30 pm - 10:35 pmIAD-PDX
9h 05m1 stop
Southwest Logo
5:05 am - 9:55 pmPDX-IAD
13h 50m2 stops
$308Southwest
Find Deal
Wed, Feb 11 - Wed, Feb 18
Southwest Logo
6:05 am - 12:15 pmDCA-PDX
9h 10m1 stop
Southwest Logo
6:05 am - 6:45 pmPDX-DCA
9h 40m2 stops
$312Southwest
Find Deal
Sat, Nov 8 - Wed, Nov 12

Spirit Airlines flights from Washington, D.C. to Portland

Our best Spirit Airlines deals on Washington, D.C. to Portland flight tickets
Spirit Airlines
Sep 16
BWI11:02 amBaltimore/Washington
27h 09m
2 stops
PDX11:11 amPortland
Sep 23
PDX12:07 pmPortland
13h 23m
1 stop
BWI4:30 amBaltimore/Washington
Spirit Airlines
Oct 22
BWI7:50 amBaltimore/Washington
14h 46m
1 stop
PDX7:36 pmPortland
Oct 27
PDX12:37 pmPortland
12h 53m
1 stop
BWI4:30 amBaltimore/Washington
Spirit Airlines
Oct 15
BWI7:50 amBaltimore/Washington
14h 46m
1 stop
PDX7:36 pmPortland
Oct 27
PDX12:37 pmPortland
12h 53m
1 stop
BWI4:30 amBaltimore/Washington

Delta flights from Washington, D.C. to Portland

Our best Delta deals on Washington, D.C. to Portland flight tickets
Delta
Sep 17
BWI5:35 amBaltimore/Washington
7h 57m
1 stop
PDX10:32 amPortland
Oct 1
PDX5:10 pmPortland
9h 50m
1 stop
BWI6:00 amBaltimore/Washington
Delta
Oct 14
BWI7:15 amBaltimore/Washington
8h 05m
1 stop
PDX12:20 pmPortland
Oct 20
PDX10:58 pmPortland
6h 50m
1 stop
BWI8:48 amBaltimore/Washington
Delta
Oct 14
IAD7:35 amWashington, D.C. Dulles Intl
8h 14m
1 stop
PDX12:49 pmPortland
Oct 20
PDX12:40 amPortland
7h 46m
1 stop
IAD11:26 amWashington, D.C. Dulles Intl

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 August 28, 2025.
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

BaltimorePortland

BWI - PDX

BWIPDX

Baltimore/Washington

Fri 9/12

6:27 pm-12:12 am

1 stop8h 45m

Portland

Mon 9/15

6:05 am-5:42 pm

1 stop8h 37m

$167

BaltimorePortland

BWI - PDX

BWIPDX

Baltimore/Washington

Mon 9/8

6:27 pm-12:12 am

1 stop8h 45m

Portland

Fri 9/12

6:05 am-5:42 pm

1 stop8h 37m

$202

BaltimorePortland

BWI - PDX

BWIPDX

Baltimore/Washington

Sat 12/13

1:10 pm-6:45 pm

1 stop8h 35m

Portland

Sun 12/14

6:00 am-5:16 pm

1 stop8h 16m

$232

BaltimorePortland

BWI - PDX

BWIPDX

Baltimore/Washington

Wed 9/17

5:35 am-10:32 am

1 stop7h 57m

Portland

Wed 10/1

5:10 pm-6:00 am

1 stop9h 50m

$235

BaltimorePortland

BWI - PDX

BWIPDX

Baltimore/Washington

Tue 10/7

6:45 am-12:42 pm

1 stop8h 57m

Portland

Sat 10/11

5:15 pm-5:50 am

1 stop9h 35m

$237

BaltimorePortland

BWI - PDX

BWIPDX

Baltimore/Washington

Tue 10/14

7:15 am-12:20 pm

1 stop8h 05m

Portland

Mon 10/20

10:58 pm-8:48 am

1 stop6h 50m

$258

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Wed 10/15

6:25 am-12:25 pm

1 stop9h 00m

Portland

Tue 10/28

5:30 pm-6:23 am

1 stop9h 53m

$296

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Tue 10/7

6:25 am-12:25 pm

1 stop9h 00m

Portland

Sat 10/11

1:25 pm-12:23 am

1 stop7h 58m

$302

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Wed 2/11

4:30 pm-10:35 pm

1 stop9h 05m

Portland

Wed 2/18

5:05 am-9:55 pm

2 stops13h 50m

$308

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Sat 11/8

6:05 am-12:15 pm

1 stop9h 10m

Portland

Wed 11/12

6:05 am-6:45 pm

2 stops9h 40m

$312

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 $347, 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 August to fly from Washington, D.C., when ticket prices are also cheap, with an average price of $357.

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 Tuesday when prices can be found for as low as $493. 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 $580.

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 $218. In the afternoon is when there is more demand to fly to Portland, so prices are often more expensive at around $529 per ticket.

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

Fly from Washington, D.C. Reagan-National 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 $499 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 $422 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?

You could potentially save up to 34% on your flight if you consider stops on a Washington, D.C. to Portland flight.

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

As of August 2025, prices for Washington, D.C. to Portland flights are approximately 11% 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

$189

Fastest flight time

5h 30m

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 $189. The best round-trip flight deal from Washington, D.C. to Portland found on momondo in the last 72 hours is $347.
The fastest flight from Washington, D.C. to Portland takes 5h 30m
Direct flights go from Washington, D.C. to Portland every day.
There is 1 airport near Portland: 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 35m.

  • 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
Spirit AirlinesPriceFrom $125Free CancellationRating
6.3
8,028 reviews
Search Spirit Airlines flights
FrontierPriceFrom $130Free CancellationRating
5.8
3,204 reviews
Search Frontier flights
Sun Country AirPriceFrom $181Free CancellationRating
6.9
331 reviews
Search Sun Country Air flights
American AirlinesPriceFrom $182Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $236Free CancellationRating
7.9
7,977 reviews
Search Delta flights
JetBluePriceFrom $257Free CancellationRating
7.2
2,920 reviews
Search JetBlue flights
United AirlinesPriceFrom $279Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights
Hawaiian AirlinesPriceFrom $297Free CancellationRating
7.8
2,690 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $316Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $324Free CancellationRating
8.0
4,242 reviews
Search Southwest 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 $316. Generally, Alaska Airlines has 3 flights on this route every week with an average price of $499. Alaska Airlines is rated 8.0/10 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 $438. Hawaiian Airlines operates 5 flights to Portland from Washington, D.C. in an average week. Users have rated it 7.8/10 across 2,688 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
Depoe Bay
Rockaway Beach
Beaverton
Hillsboro
Hood River
Gresham
McMinnville
Longview
Tigard
The Dalles
Pacific City
Manzanita
Tillamook

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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1 adult
Tue 9/2
Tue 9/9

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