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Cheap flights from Washington, D.C. Dulles Intl Airport to Portland from $149

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 11/22. 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

United Airlines Logo
6:01 am - 11:58 amIAD-PDX
8h 57m1 stop
United Airlines Logo
8:08 am - 4:15 pmPDX-IAD
5h 07mnonstop
$271United Airlines
Find Deal
Thu, Oct 9 - Sat, Oct 11
United Airlines Logo
5:37 pm - 8:29 pmIAD-PDX
5h 52mnonstop
United Airlines Logo
8:20 am - 4:15 pmPDX-IAD
4h 55mnonstop
$277United Airlines
Find Deal
Wed, Nov 12 - Sat, Nov 15
Delta Logo
7:35 am - 8:51 pmIAD-PDX
16h 16m1 stop
Delta Logo
2:23 pm - 12:54 amPDX-IAD
7h 31m1 stop
$282Delta
Find Deal
Sat, Nov 8 - Sat, Nov 15
United Airlines Logo
5:45 pm - 8:20 pmIAD-PDX
5h 35mnonstop
United Airlines Logo
7:02 am - 7:03 pmPDX-IAD
9h 01m1 stop
$283United Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 22
United Airlines Logo
5:37 pm - 8:29 pmIAD-PDX
5h 52mnonstop
United Airlines Logo
7:38 pm - 7:29 amPDX-IAD
8h 51m1 stop
$284United Airlines
Find Deal
Fri, Nov 7 - Tue, Nov 11
Delta Logo
6:15 am - 12:20 pmIAD-PDX
9h 05m1 stop
Delta Logo
1:30 pm - 12:40 amPDX-IAD
8h 10m1 stop
$300Delta
Find Deal
Tue, Oct 7 - Tue, Oct 14
Alaska Airlines Logo
6:25 am - 12:25 pmIAD-PDX
9h 00m1 stop
Alaska Airlines Logo
7:01 am - 12:23 amPDX-IAD
14h 22m2 stops
$312Alaska Airlines
Find Deal
Wed, Oct 8 - Wed, Oct 15
Alaska Airlines Logo
6:25 am - 4:54 pmIAD-PDX
13h 29m2 stops
Alaska Airlines Logo
1:25 pm - 12:23 amPDX-IAD
7h 58m1 stop
$315Alaska Airlines
Find Deal
Wed, Oct 8 - Wed, Oct 15
Frontier Logo
1:55 pm - 12:12 amIAD-PDX
13h 17m2 stops
Frontier Logo
6:05 am - 11:16 pmPDX-IAD
14h 11m2 stops
$329Frontier
Find Deal
Fri, Oct 3 - Mon, Oct 6
Southwest Logo
5:00 am - 11:05 amIAD-PDX
9h 05m1 stop
Southwest Logo
8:20 am - 10:15 pmPDX-IAD
10h 55m2 stops
$339Southwest
Find Deal
Sat, Nov 8 - Sat, Nov 15

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
Nov 8
IAD7:35 amWashington, D.C. Dulles Intl
16h 16m
1 stop
PDX8:51 pmPortland
Nov 15
PDX2:23 pmPortland
7h 31m
1 stop
IAD12:54 amWashington, D.C. Dulles Intl
$282
Find similar
Delta
Oct 7
IAD6:15 amWashington, D.C. Dulles Intl
9h 05m
1 stop
PDX12:20 pmPortland
Oct 14
PDX1:30 pmPortland
8h 10m
1 stop
IAD12:40 amWashington, D.C. Dulles Intl
$300
Find similar
Delta
Nov 19
IAD5:03 pmWashington, D.C. Dulles Intl
8h 02m
1 stop
PDX10:05 pmPortland
Nov 22
PDX12:35 amPortland
7h 22m
1 stop
IAD10:57 amWashington, D.C. Dulles Intl
$304
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
Oct 8
IAD6:25 amWashington, D.C. Dulles Intl
9h 00m
1 stop
PDX12:25 pmPortland
Oct 15
PDX7:01 amPortland
14h 22m
2 stops
IAD12:23 amWashington, D.C. Dulles Intl
$312
Find similar
Alaska Airlines
Oct 8
IAD6:25 amWashington, D.C. Dulles Intl
13h 29m
2 stops
PDX4:54 pmPortland
Oct 15
PDX1:25 pmPortland
7h 58m
1 stop
IAD12:23 amWashington, D.C. Dulles Intl
$315
Find similar
Alaska Airlines
Oct 8
IAD6:25 amWashington, D.C. Dulles Intl
13h 29m
2 stops
PDX4:54 pmPortland
Oct 15
PDX7:01 amPortland
14h 22m
2 stops
IAD12:23 amWashington, D.C. Dulles Intl
$330
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 September 17, 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

Thu 10/9

6:01 am-11:58 am

1 stop8h 57m

Portland

Sat 10/11

8:08 am-4:15 pm

Nonstop5h 07m

$271

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Wed 11/12

5:37 pm-8:29 pm

Nonstop5h 52m

Portland

Sat 11/15

8:20 am-4:15 pm

Nonstop4h 55m

$277

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Sat 11/8

7:35 am-8:51 pm

1 stop16h 16m

Portland

Sat 11/15

2:23 pm-12:54 am

1 stop7h 31m

$282

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Wed 10/15

5:45 pm-8:20 pm

Nonstop5h 35m

Portland

Wed 10/22

7:02 am-7:03 pm

1 stop9h 01m

$283

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Fri 11/7

5:37 pm-8:29 pm

Nonstop5h 52m

Portland

Tue 11/11

7:38 pm-7:29 am

1 stop8h 51m

$284

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Tue 10/7

6:15 am-12:20 pm

1 stop9h 05m

Portland

Tue 10/14

1:30 pm-12:40 am

1 stop8h 10m

$300

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Wed 10/8

6:25 am-12:25 pm

1 stop9h 00m

Portland

Wed 10/15

7:01 am-12:23 am

2 stops14h 22m

$312

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Wed 10/8

6:25 am-4:54 pm

2 stops13h 29m

Portland

Wed 10/15

1:25 pm-12:23 am

1 stop7h 58m

$315

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Fri 10/3

1:55 pm-12:12 am

2 stops13h 17m

Portland

Mon 10/6

6:05 am-11:16 pm

2 stops14h 11m

$329

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Sat 11/8

5:00 am-11:05 am

1 stop9h 05m

Portland

Sat 11/15

8:20 am-10:15 pm

2 stops10h 55m

$339

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 February. Flight prices, which tend to average around $416, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in February, 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 $436.

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 $482. 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 $576.

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 $523 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 $496 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 $408 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 5% 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 September 2025, prices for Washington, D.C. Dulles Intl Airport to Portland flights are approximately 1% cheaper 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

$220

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. Dulles Intl Airport in the past 72 hours is $220. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Portland found on momondo in the last 72 hours is $332.
The fastest flight from Washington, D.C. Dulles Intl Airport to Portland takes 5h 30m
Direct flights go from Washington, D.C. Dulles Intl Airport to Portland every day.
There is 1 airport near Portland: 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 35m 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
330 reviews
Search Sun Country Air flights
American AirlinesPriceFrom $182Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
FrontierPriceFrom $191Free CancellationRating
5.8
3,173 reviews
Search Frontier flights
DeltaPriceFrom $280Free CancellationRating
7.9
7,961 reviews
Search Delta flights
Alaska AirlinesPriceFrom $316Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $326Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
SouthwestPriceFrom $326Free CancellationRating
8.0
4,242 reviews
Search Southwest 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 $326. Generally, United Airlines has 7 flights on this route every week with an average price of $538. 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
Gresham
McMinnville
Longview
Tigard
The Dalles
Pacific City
Tillamook
Manzanita

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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