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Cheap flights from Washington, D.C. Dulles Intl Airport to Portland from $164

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. Dulles Intl Airport to Portland departing on 1/24. 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. Dulles Intl Airport to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:00 am - 6:50 pm
IAD
-
PDX
14h 50m2 stops
Delta Logo
11:10 am - 11:10 pm
PDX
-
IAD
9h 00m1 stop
$292Delta
Wed, Jan 21 - Wed, Jan 28
Delta Logo
12:38 pm - 8:55 pm
IAD
-
PDX
11h 17m2 stops
Delta Logo
7:43 pm - 11:32 am
PDX
-
IAD
12h 49m2 stops
$298Delta
Fri, Mar 6 - Mon, Mar 9
Alaska Airlines Logo
6:04 pm - 9:29 am
IAD
-
PDX
18h 25m1 stop
Alaska Airlines Logo
9:30 pm - 4:26 pm
PDX
-
IAD
15h 56m1 stop
$305Alaska Airlines
Sat, Jan 17 - Sat, Jan 24
Alaska Airlines Logo
6:04 pm - 8:47 pm
IAD
-
PDX
29h 43m1 stop
Alaska Airlines Logo
5:35 pm - 4:26 pm
PDX
-
IAD
19h 51m1 stop
$306Alaska Airlines
Sun, Jan 18 - Wed, Jan 21
Delta Logo
7:30 am - 12:44 pm
IAD
-
PDX
8h 14m1 stop
Delta Logo
11:10 am - 11:10 pm
PDX
-
IAD
9h 00m1 stop
$307Delta
Wed, Jan 21 - Sun, Jan 25
Delta Logo
7:30 am - 12:44 pm
IAD
-
PDX
8h 14m1 stop
Delta Logo
11:10 am - 11:06 pm
PDX
-
IAD
8h 56m2 stops
$312Delta
Sat, Jan 17 - Sat, Jan 24
American Airlines Logo
5:37 pm - 11:30 pm
IAD
-
PDX
8h 53m1 stop
American Airlines Logo
5:40 am - 4:31 pm
PDX
-
IAD
7h 51m1 stop
$316American Airlines
Tue, Mar 17 - Tue, Mar 24
United Airlines Logo
1:05 pm - 6:05 pm
IAD
-
PDX
8h 00m1 stop
United Airlines Logo
7:00 am - 5:13 pm
PDX
-
IAD
7h 13m1 stop
$317United Airlines
Sat, May 9 - Tue, May 12
Delta Logo
12:38 pm - 8:55 pm
IAD
-
PDX
11h 17m2 stops
Delta Logo
7:35 pm - 11:53 am
PDX
-
IAD
13h 18m2 stops
$318Delta
Thu, Feb 26 - Fri, Feb 27
American Airlines Logo
11:22 am - 8:52 pm
IAD
-
PDX
12h 30m2 stops
American Airlines Logo
12:02 pm - 10:48 pm
PDX
-
IAD
7h 46m1 stop
$322American Airlines
Wed, Feb 25 - Sat, Feb 28

Southwest flights from Washington, D.C. Dulles Intl Airport to Portland

Our best Southwest deals on Washington, D.C. Dulles Intl Airport to Portland flight tickets
Southwest
Feb 4
IAD9:05 amWashington, D.C. Dulles Intl
16h 00m
2 stops
PDX10:05 pmPortland
Feb 7
PDX9:55 amPortland
9h 15m
2 stops
IAD10:10 pmWashington, D.C. Dulles Intl
$333
Find similar
Southwest
Feb 4
IAD9:05 amWashington, D.C. Dulles Intl
16h 00m
2 stops
PDX10:05 pmPortland
Feb 8
PDX6:20 amPortland
6h 30m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
$368
Find similar
Southwest
Jan 31
IAD7:00 amWashington, D.C. Dulles Intl
11h 35m
2 stops
PDX3:35 pmPortland
Feb 3
PDX5:05 amPortland
13h 50m
2 stops
IAD9:55 pmWashington, D.C. Dulles Intl
$373
Find similar

Alaska Airlines flights from Washington, D.C. Dulles Intl Airport to Portland

Our best Alaska Airlines deals on Washington, D.C. Dulles Intl Airport to Portland flight tickets
Alaska Airlines
Jan 17
IAD6:04 pmWashington, D.C. Dulles Intl
18h 25m
1 stop
PDX9:29 amPortland
Jan 24
PDX9:30 pmPortland
15h 56m
1 stop
IAD4:26 pmWashington, D.C. Dulles Intl
$305
Find similar
Alaska Airlines
Feb 14
IAD7:05 amWashington, D.C. Dulles Intl
28h 44m
1 stop
PDX8:49 amPortland
Feb 18
PDX9:19 pmPortland
17h 01m
1 stop
IAD5:20 pmWashington, D.C. Dulles Intl
$306
Find similar
Alaska Airlines
Jan 16
IAD6:04 pmWashington, D.C. Dulles Intl
21h 34m
1 stop
PDX12:38 pmPortland
Jan 19
PDX5:35 pmPortland
19h 51m
1 stop
IAD4:26 pmWashington, D.C. Dulles Intl
$326
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport 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 December 26, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Wed 1/21

7:00 am-6:50 pm

2 stops14h 50m

Portland

Wed 1/28

11:10 am-11:10 pm

1 stop9h 00m

$292

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Fri 3/6

12:38 pm-8:55 pm

2 stops11h 17m

Portland

Mon 3/9

7:43 pm-11:32 am

2 stops12h 49m

$298

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Sat 1/17

6:04 pm-9:29 am

1 stop18h 25m

Portland

Sat 1/24

9:30 pm-4:26 pm

1 stop15h 56m

$305

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Sun 1/18

6:04 pm-8:47 pm

1 stop29h 43m

Portland

Wed 1/21

5:35 pm-4:26 pm

1 stop19h 51m

$306

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Wed 1/21

7:30 am-12:44 pm

1 stop8h 14m

Portland

Sun 1/25

11:10 am-11:10 pm

1 stop9h 00m

$307

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Sat 1/17

7:30 am-12:44 pm

1 stop8h 14m

Portland

Sat 1/24

11:10 am-11:06 pm

2 stops8h 56m

$312

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Tue 3/17

5:37 pm-11:30 pm

1 stop8h 53m

Portland

Tue 3/24

5:40 am-4:31 pm

1 stop7h 51m

$316

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Sat 5/9

1:05 pm-6:05 pm

1 stop8h 00m

Portland

Tue 5/12

7:00 am-5:13 pm

1 stop7h 13m

$317

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Thu 2/26

12:38 pm-8:55 pm

2 stops11h 17m

Portland

Fri 2/27

7:35 pm-11:53 am

2 stops13h 18m

$318

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Wed 2/25

11:22 am-8:52 pm

2 stops12h 30m

Portland

Sat 2/28

12:02 pm-10:48 pm

1 stop7h 46m

$322

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. Dulles Intl Airport 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 cheapest month to fly to Portland?

The cheapest month to fly to Portland from Washington, D.C. Dulles Intl Airport is in October. Flight prices, which tend to average around $392, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in October, then you should wait until January to fly from Washington, D.C. Dulles Intl Airport, when ticket prices are also cheap, with an average price of $437.

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 $451. 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 Friday, with ticket prices averaging around $562.

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 $497 per ticket.

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

Fly from Washington, D.C. Dulles Intl to Portland for the best Washington, D.C. Dulles Intl - 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. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $494 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. Dulles Intl Airport for as low as $400 on momondo.

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

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

You could potentially save up to 32% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Portland flight.

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

As of December 2025, prices for Washington, D.C. Dulles Intl Airport to Portland flights are approximately 10% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport to Portland

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport to Portland (IAD to PDX) flight deals and tips

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

Best Price Found

$310

Fastest flight time

5h 46m

Direct flights

Every day

Airports in Portland

1 airport
The best one-way flight to Portland from Washington, D.C. Dulles Intl Airport in the past 72 hours is $310. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Portland found on momondo in the last 72 hours is $403.
The fastest flight from Washington, D.C. Dulles Intl Airport to Portland takes 5h 46m
Direct flights go from Washington, D.C. Dulles Intl Airport to Portland every day.
There is 1 airport in Portland. From Washington, D.C. Dulles Intl Airport there are direct flights to Portland (PDX).
Search flight deals

  • How far is Washington, D.C. Dulles Intl to Portland by plane?

    The straight-line distance from Washington, D.C. Dulles Intl to Portland is 2324.3 mi. 5h 46m is a normal flight duration for this route.

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Portland Airport.

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

    The required travel and health documents for your Portland Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portland Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Portland?

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

Best airlines flying from Washington, D.C. Dulles Intl Airport to Portland

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Portland with momondo
Airline
Rating
Free Cancellation
Price
Sun Country AirPriceFrom $181Free CancellationRating
6.9
335 reviews
Search Sun Country Air flights
American AirlinesPriceFrom $182Free CancellationRating
7.2
11,061 reviews
Search American Airlines flights
FrontierPriceFrom $191Free CancellationRating
5.8
3,070 reviews
Search Frontier flights
DeltaPriceFrom $226Free CancellationRating
7.9
8,012 reviews
Search Delta flights
SouthwestPriceFrom $296Free CancellationRating
8.0
4,258 reviews
Search Southwest flights
United AirlinesPriceFrom $297Free CancellationRating
7.4
9,115 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $316Free CancellationRating
8.0
11,534 reviews
Search Alaska Airlines flights

  • United Airlines Flights From Washington, D.C. Dulles Intl Airport to Portland

    The lowest priced United Airlines flight from Washington, D.C. Dulles Intl Airport to Portland from the last 72 hours was $297. Generally, United Airlines has 3 flights on this route every week with an average price of $502. United Airlines is rated 7.4/10 by our users.

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
McMinnville
Gresham
Tigard
Longview
Pacific City
The Dalles
Manzanita
Clackamas

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Portland. Millions of users trust and use momondo every year so you are in good hands.

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 helps you find the best flight between Washington, D.C. and Portland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Washington, D.C. to Portland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portland and let you know when they change.

An easier way to manage your Portland trip

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