Dulles Intl

$125+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — IAD
Apr 27 — May 41
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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 April 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$269
(Expedia)

One-way from

$125
(Frontier)

Popular in

March

Cheapest in

February

Average price

$448

Good round-trip deal

$405 or less

Good one-way deal

$228 or less
Provider with most accurate pricing for Portland-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for Portland-Washington, D.C. (WAS) flights.
From Oregon to Washington, D.C. Dulles Intl
One-way flight from Oregon to Washington, D.C. Dulles Intl
Highest demand for flights based on searches. 4% potential increase in price ($17 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from Oregon to Washington, D.C. Dulles Intl.
Price to beat on a one-way flight from Oregon to Washington, D.C. Dulles Intl.

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 April 22, 2025.

This Expedia deal was found by Cheapflights users on 4/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/111:15 pmPDX - IAD
1 stop14h 16mMultiple Airlines
Wed 5/146:30 amIAD - PDX
1 stop7h 22mMultiple Airlines
Deal found 4/22$269
This Frontier deal was found by Cheapflights users on 4/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/231:50 pmPDX - IAD
1 stop13h 05mFrontier
Sun 5/257:25 amIAD - PDX
1 stop8h 40mFrontier
Deal found 4/22$270
This Alaska Airlines deal was found by Cheapflights users on 4/21. 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.
Wed 5/217:25 pmEUG - IAD
1 stop9h 11mAlaska Airlines
Sun 5/256:30 amIAD - EUG
1 stop9h 07mAlaska Airlines
Deal found 4/21$292
This Alaska Airlines deal was found by Cheapflights users on 4/21. 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 8/126:51 pmBOI - IAD
1 stop19h 34mAlaska Airlines
Sat 8/166:30 amIAD - BOI
1 stop10h 34mAlaska Airlines
Deal found 4/21$300
This American Airlines deal was found by Cheapflights users on 4/22. 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 9/161:41 pmBOI - IAD
1 stop6h 49mAmerican Airlines
Fri 9/197:09 amIAD - BOI
1 stop7h 25mAmerican Airlines
Deal found 4/22$301
This Hawaiian Airlines deal was found by Cheapflights users on 4/21. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2911:00 amEUG - IAD
1 stop9h 59mHawaiian Airlines
Mon 6/26:15 pmIAD - EUG
1 stop8h 40mHawaiian Airlines
Deal found 4/21$306
This United Airlines deal was found by Cheapflights users on 4/21. 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.
Mon 5/127:10 pmBOI - IAD
1 stop8h 13mUnited Airlines
Sat 5/245:36 pmIAD - BOI
1 stop7h 21mUnited Airlines
Deal found 4/21$307
This Delta deal was found by Cheapflights users on 4/22. 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.
Sat 5/175:24 pmEUG - IAD
1 stop9h 28mDelta
Sun 5/257:30 amIAD - EUG
1 stop7h 15mDelta
Deal found 4/22$307
This Mytrip deal was found by Cheapflights users on 4/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/126:34 pmPDX - IAD
1 stop14h 51mSun Country Air
Mon 6/1612:40 pmIAD - PDX
1 stop13h 06mSun Country Air
Deal found 4/22$315
This Alaska Airlines deal was found by Cheapflights users on 4/21. 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.
Sat 5/244:05 pmMFR - IAD
1 stop23h 20mAlaska Airlines
Fri 5/305:14 pmIAD - MFR
1 stop25h 01mAlaska Airlines
Deal found 4/21$318
This Hawaiian Airlines deal was found by Cheapflights users on 4/22. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/201:25 pmRDM - IAD
1 stop7h 34mHawaiian Airlines
Tue 5/276:15 pmIAD - RDM
1 stop8h 44mHawaiian Airlines
Deal found 4/22$318
This Hawaiian Airlines deal was found by Cheapflights users on 4/22. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/281:25 pmPDX - IAD
1 stop7h 34mHawaiian Airlines
Wed 6/46:30 amIAD - PDX
1 stop10h 27mHawaiian Airlines
Deal found 4/22$318

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 April 22, 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

Sun 5/11

1:15 pm-6:31 am

1 stop14h 16m

Washington, D.C. Dulles Intl

Wed 5/14

6:30 am-10:52 am

1 stop7h 22m

$269

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Fri 5/23

1:50 pm-5:55 am

1 stop13h 05m

Washington, D.C. Dulles Intl

Sun 5/25

7:25 am-1:05 pm

1 stop8h 40m

$270

EugeneWashington, D.C.

EUG - IAD

EUGIAD

Eugene

Wed 5/21

7:25 pm-7:36 am

1 stop9h 11m

Washington, D.C. Dulles Intl

Sun 5/25

6:30 am-12:37 pm

1 stop9h 07m

$292

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Tue 8/12

6:51 pm-4:25 pm

1 stop19h 34m

Washington, D.C. Dulles Intl

Sat 8/16

6:30 am-3:04 pm

1 stop10h 34m

$300

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Tue 9/16

1:41 pm-10:30 pm

1 stop6h 49m

Washington, D.C. Dulles Intl

Fri 9/19

7:09 am-12:34 pm

1 stop7h 25m

$301

EugeneWashington, D.C.

EUG - IAD

EUGIAD

Eugene

Thu 5/29

11:00 am-11:59 pm

1 stop9h 59m

Washington, D.C. Dulles Intl

Mon 6/2

6:15 pm-11:55 pm

1 stop8h 40m

$306

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Mon 5/12

7:10 pm-5:23 am

1 stop8h 13m

Washington, D.C. Dulles Intl

Sat 5/24

5:36 pm-10:57 pm

1 stop7h 21m

$307

EugeneWashington, D.C.

EUG - IAD

EUGIAD

Eugene

Sat 5/17

5:24 pm-5:52 am

1 stop9h 28m

Washington, D.C. Dulles Intl

Sun 5/25

7:30 am-11:45 am

1 stop7h 15m

$307

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Thu 6/12

6:34 pm-12:25 pm

1 stop14h 51m

Washington, D.C. Dulles Intl

Mon 6/16

12:40 pm-10:46 pm

1 stop13h 06m

$315

RedmondWashington, D.C.

RDM - IAD

RDMIAD

Bend/Redmond

Tue 5/20

1:25 pm-11:59 pm

1 stop7h 34m

Washington, D.C. Dulles Intl

Tue 5/27

6:15 pm-11:59 pm

1 stop8h 44m

$318

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 60 results
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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, August is the cheapest month in which you can book a flight from Oregon to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Oregon to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $383). 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 April 22, 2025.

When flying from Oregon to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated April 22, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Oregon to Washington, D.C. to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
8.0
Very good

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.
  • 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 $125 on Frontier. Other airlines that offer cheap prices include Alaska Airlines from $139 and Hawaiian Airlines from $150 one-way.

  • What are the most popular routes 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 $159. On average you can expect to pay $826. The most popular route, (Portland - Washington, D.C. Dulles Intl), can usually be booked for $258.

  • 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, August is the cheapest month in which you can book a flight from Oregon to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Oregon to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $383). 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 Oregon?

Book flights to Oregon if you plan to visit one of these locations
Arlington
Alexandria
Woodbridge
Fairfax
Tysons
Springfield
Rockville
Fredericksburg
Gaithersburg
Silver Spring
Linthicum Heights
Falls Church
Laurel
Easton
Herndon
Sterling
Bowie
Towson
National Harbor
Oxon Hill

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Alternative routes for Oregon to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Oregon to Dulles Intl

Discover the top 6 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 April 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$95Average$237FlexibilityNo cancel feeOn-time65%
DeltaCheapest$252Average$455FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$289Average$539FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$298Average$418FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$306Average$563FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$357Average$526FlexibilityNo cancel feeOn-time63%

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