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Cheap flights from Washington, D.C. Dulles Intl Airport to Portland from $158

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 1/10. 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.
American Airlines Logo
6:00 am - 1:21 pm
IAD
-
PDX
10h 21m1 stop
American Airlines Logo
7:38 am - 9:17 pm
PDX
-
IAD
10h 39m1 stop
$296American Airlines
Wed, Jan 7 - Wed, Jan 14
Delta Logo
7:00 am - 6:50 pm
IAD
-
PDX
14h 50m2 stops
Delta Logo
7:37 pm - 11:52 am
PDX
-
IAD
13h 15m2 stops
$298Delta
Thu, Jan 22 - Sun, Jan 25
Alaska Airlines Logo
6:04 pm - 9:29 am
IAD
-
PDX
18h 25m1 stop
Alaska Airlines Logo
6:00 am - 4:26 pm
PDX
-
IAD
7h 26m1 stop
$300Alaska Airlines
Sat, Jan 31 - Sat, Feb 7
Delta Logo
7:05 am - 12:32 pm
IAD
-
PDX
8h 27m1 stop
Delta Logo
1:30 pm - 11:10 pm
PDX
-
IAD
6h 40m1 stop
$302Delta
Wed, Jan 7 - Mon, Jan 12
American Airlines Logo
5:46 pm - 12:51 am
IAD
-
PDX
10h 05m1 stop
American Airlines Logo
10:40 pm - 10:22 am
PDX
-
IAD
8h 42m1 stop
$306American Airlines
Thu, Feb 12 - Tue, Feb 17
Delta Logo
7:00 am - 12:46 pm
IAD
-
PDX
8h 46m1 stop
Delta Logo
1:39 pm - 11:48 pm
PDX
-
IAD
7h 09m1 stop
$307Delta
Wed, Jan 7 - Thu, Jan 8
Southwest Logo
4:30 pm - 10:30 pm
IAD
-
PDX
9h 00m1 stop
Southwest Logo
5:05 am - 9:55 pm
PDX
-
IAD
13h 50m2 stops
$308Southwest
Tue, Jan 20 - Wed, Jan 21
American Airlines Logo
6:00 am - 2:48 pm
IAD
-
PDX
11h 48m2 stops
American Airlines Logo
10:15 pm - 10:58 am
PDX
-
IAD
9h 43m1 stop
$312American Airlines
Wed, Jan 14 - Mon, Jan 19
Alaska Airlines Logo
6:20 pm - 9:50 am
IAD
-
PDX
18h 30m1 stop
Alaska Airlines Logo
9:26 pm - 5:27 pm
PDX
-
IAD
17h 01m1 stop
$316Alaska Airlines
Wed, Feb 25 - Fri, Feb 27
American Airlines Logo
1:08 pm - 10:17 pm
IAD
-
PDX
12h 09m2 stops
American Airlines Logo
8:29 am - 11:12 pm
PDX
-
IAD
11h 43m2 stops
$317American Airlines
Wed, Jan 7 - Mon, Jan 12

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

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Portland flight tickets
American Airlines
Jan 7
IAD6:00 amWashington, D.C. Dulles Intl
10h 21m
1 stop
PDX1:21 pmPortland
Jan 14
PDX7:38 amPortland
10h 39m
1 stop
IAD9:17 pmWashington, D.C. Dulles Intl
$296
Find similar
American Airlines
Feb 12
IAD5:46 pmWashington, D.C. Dulles Intl
10h 05m
1 stop
PDX12:51 amPortland
Feb 17
PDX10:40 pmPortland
8h 42m
1 stop
IAD10:22 amWashington, D.C. Dulles Intl
$306
Find similar
American Airlines
Jan 7
IAD1:08 pmWashington, D.C. Dulles Intl
12h 09m
2 stops
PDX10:17 pmPortland
Jan 12
PDX8:29 amPortland
11h 43m
2 stops
IAD11:12 pmWashington, D.C. Dulles Intl
$317
Find similar

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

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Portland flight tickets
Delta
Jan 22
IAD7:00 amWashington, D.C. Dulles Intl
14h 50m
2 stops
PDX6:50 pmPortland
Jan 25
PDX7:37 pmPortland
13h 15m
2 stops
IAD11:52 amWashington, D.C. Dulles Intl
$298
Find similar
Delta
Jan 7
IAD7:05 amWashington, D.C. Dulles Intl
8h 27m
1 stop
PDX12:32 pmPortland
Jan 12
PDX1:30 pmPortland
6h 40m
1 stop
IAD11:10 pmWashington, D.C. Dulles Intl
$302
Find similar
Delta
Jan 7
IAD7:00 amWashington, D.C. Dulles Intl
8h 46m
1 stop
PDX12:46 pmPortland
Jan 15
PDX1:53 pmPortland
7h 04m
1 stop
IAD11:57 pmWashington, D.C. Dulles Intl
$307
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 18, 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 1/7

6:00 am-1:21 pm

1 stop10h 21m

Portland

Wed 1/14

7:38 am-9:17 pm

1 stop10h 39m

$296

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Thu 1/22

7:00 am-6:50 pm

2 stops14h 50m

Portland

Sun 1/25

7:37 pm-11:52 am

2 stops13h 15m

$298

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Sat 1/31

6:04 pm-9:29 am

1 stop18h 25m

Portland

Sat 2/7

6:00 am-4:26 pm

1 stop7h 26m

$300

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Wed 1/7

7:05 am-12:32 pm

1 stop8h 27m

Portland

Mon 1/12

1:30 pm-11:10 pm

1 stop6h 40m

$302

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Thu 2/12

5:46 pm-12:51 am

1 stop10h 05m

Portland

Tue 2/17

10:40 pm-10:22 am

1 stop8h 42m

$306

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Wed 1/7

7:00 am-12:46 pm

1 stop8h 46m

Portland

Thu 1/8

1:39 pm-11:48 pm

1 stop7h 09m

$307

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Tue 1/20

4:30 pm-10:30 pm

1 stop9h 00m

Portland

Wed 1/21

5:05 am-9:55 pm

2 stops13h 50m

$308

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Wed 1/14

6:00 am-2:48 pm

2 stops11h 48m

Portland

Mon 1/19

10:15 pm-10:58 am

1 stop9h 43m

$312

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Wed 2/25

6:20 pm-9:50 am

1 stop18h 30m

Portland

Fri 2/27

9:26 pm-5:27 pm

1 stop17h 01m

$316

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Wed 1/7

1:08 pm-10:17 pm

2 stops12h 09m

Portland

Mon 1/12

8:29 am-11:12 pm

2 stops11h 43m

$317

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 typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Portland?

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 September 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 $497 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 7% 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

$369

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 $369. 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
333 reviews
Search Sun Country Air flights
American AirlinesPriceFrom $182Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
FrontierPriceFrom $191Free CancellationRating
5.8
3,081 reviews
Search Frontier flights
DeltaPriceFrom $226Free CancellationRating
7.9
8,005 reviews
Search Delta flights
SouthwestPriceFrom $296Free CancellationRating
7.9
4,250 reviews
Search Southwest flights
United AirlinesPriceFrom $297Free CancellationRating
7.4
9,091 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $316Free CancellationRating
8.0
11,477 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 1 flight on this route every week with an average price of $504. 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
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 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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