HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$132+ Cheap flights from Oregon to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — IAD
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Oregon to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Oregon to Dulles Intl

Cheapest flights from Oregon to Dulles Intl
Explore the most affordable flight options available from Oregon to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This American Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/310:15 pmPDX - IAD
1 stop7h 29mAmerican Airlines
Wed 12/106:00 amIAD - PDX
1 stop9h 59mAmerican Airlines
Deal found 11/3$296
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/112:32 amPDX - IAD
1 stop7h 46mDelta
Wed 12/175:03 pmIAD - PDX
1 stop8h 07mDelta
Deal found 11/1$297
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/85:01 pmPDX - IAD
1 stop22h 51mMultiple Airlines
Sat 12/139:20 pmIAD - PDX
2 stops38h 16mMultiple Airlines
Deal found 11/1$301
This Alaska Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1110:40 amPDX - IAD
1 stop16h 26mAlaska Airlines
Sun 12/146:30 pmIAD - PDX
1 stop18h 02mAlaska Airlines
Deal found 11/2$304
This Alaska Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/910:30 amPDX - IAD
1 stop28h 00mAlaska Airlines
Mon 12/155:37 pmIAD - PDX
1 stop9h 17mAlaska Airlines
Deal found 11/3$316
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1211:20 pmPDX - IAD
1 stop8h 06mDelta
Tue 12/167:05 amIAD - PDX
1 stop8h 35mDelta
Deal found 11/3$317
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/243:52 pmPDX - IAD
1 stop10h 30mUnited Airlines
Mon 12/295:50 pmIAD - PDX
Nonstop5h 58mUnited Airlines
Deal found 11/3$318
This Alaska Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/167:00 amBOI - IAD
1 stop8h 30mAlaska Airlines
Tue 1/67:33 amIAD - BOI
1 stop8h 16mAlaska Airlines
Deal found 11/1$320
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/163:13 pmBOI - IAD
1 stop6h 49mDelta
Sat 1/107:05 amIAD - BOI
1 stop6h 59mDelta
Deal found 11/1$321
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:47 pmEUG - IAD
1 stop9h 08mUnited Airlines
Wed 12/176:30 amIAD - EUG
1 stop8h 42mUnited Airlines
Deal found 11/1$322
This American Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/911:59 pmPDX - IAD
2 stops10h 35mAmerican Airlines
Mon 12/155:08 pmIAD - PDX
1 stop9h 15mAmerican Airlines
Deal found 11/2$322
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1611:10 amBOI - IAD
2 stops11h 02mDelta
Wed 1/76:20 amIAD - BOI
1 stop8h 31mDelta
Deal found 11/1$326

Cheap flight deals from Oregon to Dulles Intl

Keep the following information in mind while searching for Oregon to Dulles Intl flight deals. Data was last updated November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$287
(Delta)

One-way from

$132
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$457

Good round-trip deal

$424 or less

Good one-way deal

$208 or less
Provider with most accurate pricing for Portland-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Washington, D.C. (WAS) flights.
Search Deals
From Oregon to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Oregon to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($7 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Oregon to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from Oregon to Washington, D.C. Dulles Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oregon to Dulles Intl 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, Cheapflights users made 2,558,603 searches. Data last updated November 3, 2025.
Use the filters below to find and compare flights from Oregon to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Oregon

Fly to

Dulles Intl

Route

Depart

Return

Price

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Wed 12/10

10:30 am-5:30 pm

1 stop28h 00m

Washington, D.C. Dulles Intl

Mon 12/15

5:37 pm-11:54 pm

1 stop9h 17m

$316

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Tue 12/9

10:30 am-5:30 pm

1 stop28h 00m

Washington, D.C. Dulles Intl

Mon 12/15

7:34 am-1:50 pm

1 stop9h 16m

$316

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Tue 12/9

12:32 am-11:18 am

1 stop7h 46m

Washington, D.C. Dulles Intl

Mon 12/15

5:03 pm-10:15 pm

1 stop8h 12m

$317

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Fri 12/12

11:20 pm-10:26 am

1 stop8h 06m

Washington, D.C. Dulles Intl

Tue 12/16

7:05 am-12:40 pm

1 stop8h 35m

$317

EugeneWashington, D.C.

EUG - IAD

EUGIAD

Eugene

Tue 12/2

6:47 pm-6:55 am

1 stop9h 08m

Washington, D.C. Dulles Intl

Wed 12/17

6:30 am-12:12 pm

1 stop8h 42m

$322

EugeneWashington, D.C.

EUG - IAD

EUGIAD

Eugene

Wed 12/3

6:47 pm-6:55 am

1 stop9h 08m

Washington, D.C. Dulles Intl

Wed 12/17

6:30 am-12:12 pm

1 stop8h 42m

$322

EugeneWashington, D.C.

EUG - IAD

EUGIAD

Eugene

Wed 2/18

1:25 pm-5:55 pm

1 stop25h 30m

Washington, D.C. Dulles Intl

Sat 2/28

6:55 pm-12:17 am

1 stop8h 22m

$323

EugeneWashington, D.C.

EUG - IAD

EUGIAD

Eugene

Wed 2/18

11:35 am-11:16 pm

1 stop8h 41m

Washington, D.C. Dulles Intl

Sat 2/28

12:30 pm-11:14 pm

2 stops13h 44m

$330

EugeneWashington, D.C.

EUG - IAD

EUGIAD

Eugene

Wed 1/7

5:34 pm-5:04 pm

1 stop20h 30m

Washington, D.C. Dulles Intl

Mon 1/12

5:26 pm-9:30 pm

2 stops31h 04m

$330

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Tue 12/16

12:55 pm-12:12 am

2 stops9h 17m

Washington, D.C. Dulles Intl

Sat 1/10

6:00 am-2:04 pm

2 stops10h 04m

$331

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Oregon to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Oregon with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Oregon to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from Oregon to Washington, D.C. Dulles Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Oregon to Washington, D.C. Dulles Intl Airport (average of $226). Flying from Oregon to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from OR to IAD?

Find hourly flight availability from Oregon to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2025.

One of the essential ways to save on airfare from Oregon to Washington, D.C. Dulles Intl Airport is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 18% on airfare.

What is the cheapest day to fly from Oregon to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Oregon to Dulles Intl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Oregon to Washington, D.C. Dulles Intl Airport flight should consider departing on Sunday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Oregon to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Oregon to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 3, 2025.

The most flights from USOR to IAD are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost to fly round-trip from Oregon to Washington, D.C. Dulles Intl Airport?

Related info for your journey

Find useful and relevant information for your journey from Oregon to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Oregon to Washington, D.C. Dulles Intl Airport?

    Airlines like Alaska Airlines, Delta, and United Airlines fly from Oregon to Washington, D.C. Dulles Intl Airport in about 7h 46m. The time it takes to get you to your destination can typically vary by up to 20h 14m. There are 2320 mi between Oregon and Washington, D.C. Dulles Intl Airport. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Oregon to Washington, D.C. Dulles Intl Airport one-way?

    One-way options have recently been found by users for as low as $132 on Frontier. Other airlines that offer cheap prices include United Airlines from $159 and Delta from $164 one-way.

  • What are the most popular routes from Oregon to Washington, D.C. Dulles Intl Airport?

    While some choose either Boise Air Term. Gowen Fld - Washington, D.C. Dulles Intl or Eugene - Washington, D.C. Dulles Intl, Portland - Washington, D.C. Dulles Intl is the most popular route from Oregon to Washington, D.C. Dulles Intl Airport.

  • What are the cheapest flights from Oregon to Washington, D.C. Dulles Intl Airport?

    The cheapest flight price from Oregon to Washington, D.C. Dulles Intl Airport is $178. On average you can expect to pay $397. The most popular route, (Portland - Washington, D.C. Dulles Intl), can usually be booked for $292.

  • Can I find deals for flights from Oregon to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Oregon to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oregon to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oregon to Dulles Intl.

  • Can I find deals for business class flights from Oregon to Dulles Intl?

    Yes. Cheapflights offers flight deals from Oregon to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Oregon to Washington, D.C. Dulles Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Oregon to Washington, D.C. Dulles Intl Airport (average of $226). Flying from Oregon to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Owings Mills
Linthicum Heights
Manassas
Largo
Oxon Hill
Laurel
Towson
National Harbor
Waldorf
Bowie

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Oregon to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Dulles Intl flights
Dallas/Fort Worth to Reagan-National flights
Los Angeles to Reagan-National flights
Boston to Baltimore flights
Dallas/Fort Worth to Baltimore flights
O'Hare Intl to Baltimore flights
Atlanta to Dulles Intl flights
Los Angeles to Dulles Intl flights
Seattle to Reagan-National flights
Seattle to Dulles Intl flights
O'Hare Intl to Dulles Intl flights
Boston to Reagan-National flights
O'Hare Intl to Reagan-National flights
Los Angeles to Baltimore flights
San Francisco to Reagan-National flights
Boston to Dulles Intl flights
Atlanta to Reagan-National flights
San Francisco to Dulles Intl flights
Hobby to Dulles Intl flights
Hobby to Baltimore flights
Hobby to Reagan-National flights
San Francisco to Baltimore flights
Detroit to Dulles Intl flights
Atlanta to Baltimore flights
Orlando to Reagan-National flights
Fort Lauderdale to Baltimore flights
Seattle to Baltimore flights
Tampa to Dulles Intl flights
Denver to Dulles Intl flights
Detroit to Baltimore flights
Midway to Baltimore flights
George Bush Intcntl to Dulles Intl flights
Denver to Baltimore flights
George Bush Intcntl to Reagan-National flights
John F Kennedy Intl to Dulles Intl flights
Midway to Dulles Intl flights
Minneapolis to Baltimore flights
Miami to Dulles Intl flights
Denver to Reagan-National flights
George Bush Intcntl to Baltimore flights
Orlando to Baltimore flights
Orlando to Dulles Intl flights
Detroit to Reagan-National flights
Minneapolis to Reagan-National flights
John F Kennedy Intl to Reagan-National flights
Fort Lauderdale to Dulles Intl flights
Tampa to Reagan-National flights
Miami to Reagan-National flights
Austin to Dulles Intl flights
Minneapolis to Dulles Intl flights

Top 5 airlines flying from Oregon to Dulles Intl

Discover the top 5 airlines that operate flights from Oregon to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$180Average$462FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$257Average$508FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$263Average$497FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$306Average$561FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$318Average$405FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.