Dulles Intl

$148+ 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 6/20. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — IAD
May 26 — Jun 21
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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 May 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$267
(Frontier)

One-way from

$148
(Mytrip)

Popular in

March

Cheapest in

August

Average price

$436

Good round-trip deal

$426 or less

Good one-way deal

$223 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. 3% potential increase in price ($14 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 May 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 May 21, 2025.

This Frontier deal was found by Cheapflights users on 5/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/81:45 pmPDX - IAD
1 stop13h 25mFrontier
Fri 6/137:30 amIAD - PDX
1 stop8h 25mFrontier
Deal found 5/21$267
This Cheapflightsfares deal was found by Cheapflights users on 5/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/116:28 pmPDX - IAD
1 stop12h 59mSun Country Air
Sun 6/157:45 amIAD - PDX
1 stop18h 01mSun Country Air
Deal found 5/21$289
This Alaska Airlines deal was found by Cheapflights users on 5/21. 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.
Fri 5/307:06 pmBOI - IAD
1 stop10h 30mAlaska Airlines
Sat 5/319:00 amIAD - BOI
1 stop8h 55mAlaska Airlines
Deal found 5/21$295
This FlightHub deal was found by Cheapflights users on 5/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1611:00 amPDX - IAD
1 stop16h 30mMultiple Airlines
Sat 6/2112:46 pmIAD - PDX
1 stop7h 36mMultiple Airlines
Deal found 5/21$301
This United Airlines deal was found by Cheapflights users on 5/21. 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.
Wed 9/178:35 amPDX - IAD
1 stop7h 38mUnited Airlines
Sat 9/205:33 pmIAD - PDX
Nonstop5h 30mUnited Airlines
Deal found 5/21$307
This Hawaiian Airlines deal was found by Cheapflights users on 5/21. 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.
Wed 9/242:30 pmPDX - IAD
1 stop6h 50mHawaiian Airlines
Tue 9/306:09 pmIAD - PDX
1 stop8h 50mHawaiian Airlines
Deal found 5/21$316
This Delta deal was found by Cheapflights users on 5/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/119:30 pmPDX - IAD
1 stop8h 42mDelta
Tue 6/176:54 pmIAD - PDX
1 stop7h 38mDelta
Deal found 5/21$317
This American Airlines deal was found by Cheapflights users on 5/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2410:42 pmPDX - IAD
1 stop7h 05mAmerican Airlines
Sat 9/278:58 amIAD - PDX
2 stops10h 19mAmerican Airlines
Deal found 5/21$322
This Mytrip deal was found by Cheapflights users on 5/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/63:30 pmPDX - IAD
2 stops26h 23mAllegiant Air
Sun 6/83:58 pmIAD - PDX
2 stops19h 31mAllegiant Air
Deal found 5/21$329
This Alaska Airlines deal was found by Cheapflights users on 5/21. 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 7/307:25 amPDX - IAD
1 stop8h 34mAlaska Airlines
Sat 8/165:25 pmIAD - PDX
1 stop8h 49mAlaska Airlines
Deal found 5/21$336
This Alaska Airlines deal was found by Cheapflights users on 5/20. 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 7/21:30 pmEUG - IAD
1 stop7h 29mAlaska Airlines
Sun 7/66:30 amIAD - EUG
1 stop9h 06mAlaska Airlines
Deal found 5/20$341
This Southwest deal was found by Cheapflights users on 5/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/177:00 amPDX - IAD
2 stops12h 05mSouthwest
Sat 9/203:50 pmIAD - PDX
1 stop9h 15mSouthwest
Deal found 5/21$342

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 May 21, 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 6/8

1:45 pm-6:10 am

1 stop13h 25m

Washington, D.C. Dulles Intl

Fri 6/13

7:30 am-12:55 pm

1 stop8h 25m

$267

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Wed 6/11

6:28 pm-10:27 am

1 stop12h 59m

Washington, D.C. Dulles Intl

Sun 6/15

7:45 am-10:46 pm

1 stop18h 01m

$289

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Mon 7/14

7:12 pm-7:27 am

1 stop10h 15m

Washington, D.C. Dulles Intl

Mon 7/21

8:19 pm-2:30 pm

1 stop20h 11m

$301

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Mon 6/16

11:00 am-6:30 am

1 stop16h 30m

Washington, D.C. Dulles Intl

Sat 6/21

12:46 pm-5:22 pm

1 stop7h 36m

$301

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Wed 9/17

8:35 am-7:13 pm

1 stop7h 38m

Washington, D.C. Dulles Intl

Sat 9/20

5:33 pm-8:03 pm

Nonstop5h 30m

$307

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Wed 9/24

2:30 pm-12:20 am

1 stop6h 50m

Washington, D.C. Dulles Intl

Tue 9/30

6:09 pm-11:59 pm

1 stop8h 50m

$316

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Wed 6/11

9:30 pm-9:12 am

1 stop8h 42m

Washington, D.C. Dulles Intl

Tue 6/17

6:54 pm-11:32 pm

1 stop7h 38m

$317

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Wed 9/24

10:42 pm-8:47 am

1 stop7h 05m

Washington, D.C. Dulles Intl

Sat 9/27

8:58 am-4:17 pm

2 stops10h 19m

$322

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Fri 6/6

3:30 pm-8:53 pm

2 stops26h 23m

Washington, D.C. Dulles Intl

Sun 6/8

3:58 pm-8:29 am

2 stops19h 31m

$329

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Wed 7/30

7:25 am-6:59 pm

1 stop8h 34m

Washington, D.C. Dulles Intl

Sat 8/16

5:25 pm-11:14 pm

1 stop8h 49m

$336

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/21

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 $363). 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 May 21, 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 May 21, 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.

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
8.0
Very good

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $149 on United Airlines. Other airlines that offer cheap prices include Alaska Airlines from $150 and Sun Country Air 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 $168. On average you can expect to pay $1,180. The most popular route, (Portland - Washington, D.C. Dulles Intl), can usually be booked for $276.

  • 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 $363). 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
Tysons
Silver Spring
Fairfax
Fredericksburg
Linthicum Heights
Gaithersburg
Springfield
Falls Church
Rockville
Laurel
Easton
Towson
Herndon
Sterling
Bowie
National Harbor
Reston

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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 May 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$95Average$240FlexibilityNo cancel feeOn-time65%
DeltaCheapest$252Average$449FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$289Average$531FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$298Average$406FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$308Average$555FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$357Average$526FlexibilityNo cancel feeOn-time63%

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