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Dulles Intl

$149+ Cheap flights from Portland (PDX) 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 12/25. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — IAD
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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The best prices from Portland to Washington, D.C. Dulles Intl are usually found in February or January, booked 64 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap flight deals from Portland to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

June

Cheapest in

February

Round-trip from

$298
(Alaska Airlines)

One-way from

$149
(Delta)
Provider with most accurate pricing for Portland-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Portland-Washington, D.C. Dulles Intl flights.
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High demand for flights, 13% potential price rise
Search Deals
Best time to find cheap flights, 19% potential price drop
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From Portland to Washington, D.C. Dulles Intl
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One-way flight from Portland to Washington, D.C. Dulles Intl
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Find flight deals from Portland to Dulles Intl

Cheapest flights from Portland to Dulles Intl
Explore the most affordable flight options available from Portland to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This Delta deal was found by Cheapflights users on 11/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/255:10 pmPDX - IAD
1 stop10h 00mDelta
Wed 1/86:05 amIAD - PDX
1 stop9h 50mDelta
Deal found 11/20$298
This Alaska Airlines deal was found by Cheapflights users on 11/20. 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 12/1111:00 amPDX - IAD
1 stop7h 43mAlaska Airlines
Thu 12/129:13 amIAD - PDX
1 stop9h 37mAlaska Airlines
Deal found 11/20$323
This United Airlines deal was found by Cheapflights users on 11/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/115:00 amPDX - IAD
1 stop7h 38mUnited Airlines
Fri 12/136:30 amIAD - PDX
1 stop9h 40mUnited Airlines
Deal found 11/20$336
This American Airlines deal was found by Cheapflights users on 11/19. 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 12/106:30 amPDX - IAD
1 stop7h 28mAmerican Airlines
Tue 12/179:10 amIAD - PDX
2 stops11h 24mAmerican Airlines
Deal found 11/19$367
This Southwest deal was found by Cheapflights users on 11/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/117:05 amPDX - IAD
2 stops12h 55mSouthwest
Fri 12/134:00 pmIAD - PDX
1 stop11h 05mSouthwest
Deal found 11/20$421
This Mytrip deal was found by Cheapflights users on 11/18. 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.
Wed 12/182:55 pmPDX - IAD
3 stops26h 40mMultiple Airlines
Tue 12/248:00 amIAD - PDX
3 stops32h 49mMultiple Airlines
Deal found 11/18$474
This Sun Country Air deal was found by Cheapflights users on 11/19. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/276:35 pmPDX - IAD
1 stop13h 50mSun Country Air
Mon 12/212:54 pmIAD - PDX
1 stop25h 44mSun Country Air
Deal found 11/19$555

Find flights from Portland to Dulles Intl within your budget

Customize your flight search to find flights from Portland 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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Sat 2/22

9:29 pm-4:18 pm

1 stop15h 49m

Washington, D.C. Dulles Intl

Tue 2/25

7:00 am-2:24 pm

1 stop10h 24m

$298

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Sat 3/1

12:00 pm-10:34 pm

1 stop7h 34m

Washington, D.C. Dulles Intl

Wed 3/5

6:12 am-1:14 pm

1 stop10h 02m

$316

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Wed 1/8

2:00 pm-11:40 pm

1 stop6h 40m

Washington, D.C. Dulles Intl

Sun 1/12

4:20 pm-11:58 pm

1 stop10h 38m

$326

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Wed 12/11

5:00 am-3:38 pm

1 stop7h 38m

Washington, D.C. Dulles Intl

Fri 12/13

6:30 am-1:10 pm

1 stop9h 40m

$336

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Thu 1/16

5:30 am-11:20 pm

2 stops14h 50m

Washington, D.C. Dulles Intl

Sun 1/19

5:50 pm-10:40 pm

1 stop7h 50m

$361

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Wed 12/25

5:10 pm-6:10 am

1 stop10h 00m

$149

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Tue 12/17

7:40 am-9:12 pm

1 stop10h 32m

$154

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Mon 1/6

12:26 am-1:22 pm

1 stop9h 56m

$158

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Mon 1/20

8:05 am-5:57 pm

1 stop6h 52m

$176

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Wed 1/29

9:41 pm-9:14 am

3 stops32h 33m

$177

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 12 results
1
2

Compare providers for flights from Portland to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Dulles Intl in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Portland 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.

Travel insights for flights from Portland to Dulles Intl

Get recent, data-driven insights about flights from Portland to Dulles Intl including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Portland to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Dulles Intl. Price data was last updated on November 15, 2024.

To ensure you get the cheapest price possible for a flight from Portland to Washington, D.C. Dulles Intl Airport, you should look to book at least 64 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, September is the cheapest month in which you can book a flight from Portland to Washington, D.C. Dulles Intl Airport (average of $300). Flying from Portland 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 PDX to IAD?

Find hourly flight availability from Portland 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 20, 2024.

A simple way to save on the total cost of your ticket is to fly from Portland to Washington, D.C. Dulles Intl Airport at noon. If you’re flexible enough to do this you can expect to save up to 17% on your trip compared to booking a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Portland to Dulles Intl. Price data was last updated on November 18, 2024.

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

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

Explore weekly flight availability from Portland 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 20, 2024.

The most flights from PDX 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).

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 November 20, 2024.
Read through reviews of airlines operating flights from Portland to Washington, D.C., such as Southwest, Alaska Airlines and American Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Portland 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 airport do you fly from for flights from Portland to Washington, D.C. Dulles Intl?

    For a flight from Portland to Washington, D.C. Dulles Intl, you will be flying from Portland. Portland (PDX) is just 6.0 mi from the center of the city. Portland is the only Portland airport and it handles 2 outbound flights to Washington, D.C. Dulles Intl per day. 5 airlines have flights to Washington, D.C. Dulles Intl from Portland on a regular basis.

  • What are the cheapest airlines flying from Portland to Washington, D.C. Dulles Intl Airport round-trip?

    Cheapflights users have booked flights from Portland to Washington, D.C. Dulles Intl Airport round-trip from $298. Other airlines that can offer you cheap pricing are American Airlines, from $312, and United Airlines, from $316. Alaska Airlines is currently priced 45% below the average price you’ll pay for this route.

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

    The cheapest airlines for a one-way flight from Portland to Washington, D.C. Dulles Intl Airport are Delta ($149), United Airlines ($154), and American Airlines ($158).

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

    While on average a flight from Portland to Washington, D.C. Dulles Intl Airport is generally $1,089, our data shows the cheapest flight currently is $184. When looking at the most popular route, (Portland - Washington, D.C. Dulles Intl), you can expect to pay $298 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portland 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 Portland to Washington, D.C. Dulles Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Portland to Washington, D.C. Dulles Intl Airport (average of $300). Flying from Portland 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

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Top 5 airlines flying from Portland to Dulles Intl

Discover the top 5 airlines that operate flights from Portland 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$95Average$227FlexibilityNo cancel feeOn-time65%
DeltaCheapest$297Average$458FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$298Average$418FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$336Average$573FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$406Average$582FlexibilityNo cancel feeOn-time69%
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