HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

$158+ Cheap flights from Portland (PDX) to Dulles Intl (IAD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — IAD
Jul 30 — Aug 61
From?
To?
Tue 7/30
Tue 8/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Leverage Cheapflights for Your Next Trip

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.

The best prices from Portland to Washington, D.C. Dulles Intl are usually found in January or September, booked 46 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

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 July 25, 2024.

Popular in

December

Cheapest in

January

Average price

$576

Round-trip from

$158
High demand for flights, 20% potential price rise
Search Deals
Best time to find cheap flights, 24% potential price drop
Search Deals
Average for round-trip flights in July 2024
Search Deals
From Portland to Washington, D.C. Dulles Intl
Search Deals

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

Users have found that flying from Portland to Washington, D.C. Dulles Intl Airport on a Saturday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

Travelers have found it’s best to book a flight 21 days in advance to save up to 62% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 21 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Portland to Washington, D.C. Dulles Intl Airport 1-2 weeks in advance for as low as $266, or $438 for flights within the next 24 hours.

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

Our data shows that May tends to be the cheapest month to fly to Washington, D.C. Dulles Intl Airport from Portland. Users have commonly found prices around $446 for the month, but tickets can be as low as $99. Due to multiple factors, prepare for potentially higher prices in March.

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

A simple way to save on the total cost of your ticket is to fly from Portland to Washington, D.C. Dulles Intl Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 21% on your trip compared to booking a flight in the morning.

Cheap Portland to Dulles Intl flights in July & August 2024

Find cheap flight options from Portland to Dulles Intl specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Prices were last updated on July 25, 2024.
Check out some of the best flight deals from Portland to Washington, D.C. in 2024. More deals are always being added, so be sure to check back regularly.
This deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/265:09 pmPDX - IAD
1 stop20h 24mAlaska Airlines
Wed 9/45:38 pmIAD - PDX
1 stop23h 50mAlaska Airlines
Deal found 7/25$158
This mytrip.com deal was found by Cheapflights users on 7/25. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/133:46 pmPDX - IAD
3 stops21h 24mMultiple Airlines
Tue 8/208:25 amIAD - PDX
3 stops27h 19mMultiple Airlines
Deal found 7/25$328
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/215:15 amPDX - IAD
3 stops27h 20mMultiple Airlines
Mon 8/2612:55 pmIAD - PDX
3 stops22h 49mMultiple Airlines
Deal found 7/24$330
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/215:15 amPDX - IAD
3 stops31h 55mMultiple Airlines
Wed 8/2812:55 pmIAD - PDX
3 stops14h 40mMultiple Airlines
Deal found 7/24$346
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/205:15 amPDX - IAD
3 stops22h 55mMultiple Airlines
Fri 8/2312:55 pmIAD - PDX
3 stops22h 49mMultiple Airlines
Deal found 7/24$348
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/215:15 amPDX - IAD
2 stops27h 05mMultiple Airlines
Wed 8/2812:55 pmIAD - PDX
3 stops14h 40mMultiple Airlines
Deal found 7/24$352
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/285:15 amPDX - IAD
3 stops27h 20mMultiple Airlines
Wed 9/412:55 pmIAD - PDX
3 stops22h 14mMultiple Airlines
Deal found 7/24$353
This Sun Country Air deal was found by Cheapflights users on 7/24. 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 8/215:15 pmPDX - IAD
1 stop15h 05mSun Country Air
Wed 8/2811:25 amIAD - PDX
1 stop7h 48mSun Country Air
Deal found 7/24$355
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/133:46 pmPDX - IAD
3 stops16h 34mMultiple Airlines
Mon 8/1912:55 pmIAD - PDX
3 stops22h 22mMultiple Airlines
Deal found 7/24$356

Portland to Dulles Intl 2024 flight deals

Discover exclusive flight deals for travel between Portland and Dulles Intl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
Check out some of the best flight deals from Portland to Washington, D.C. in 2024. More deals are always being added, so be sure to check back regularly.
This deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/265:09 pmPDX - IAD
1 stop20h 24mAlaska Airlines
Wed 9/45:38 pmIAD - PDX
1 stop23h 50mAlaska Airlines
Deal found 7/25$158
This Cheapflightsfares deal was found by Cheapflights users on 7/24. 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.
Thu 10/246:20 pmPDX - IAD
1 stop14h 36mSun Country Air
Thu 10/3111:11 amIAD - PDX
1 stop8h 58mSun Country Air
Deal found 7/24$319
This mytrip.com deal was found by Cheapflights users on 7/25. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/133:46 pmPDX - IAD
3 stops21h 24mMultiple Airlines
Tue 8/208:25 amIAD - PDX
3 stops27h 19mMultiple Airlines
Deal found 7/25$328
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/215:15 amPDX - IAD
3 stops27h 20mMultiple Airlines
Mon 8/2612:55 pmIAD - PDX
3 stops22h 49mMultiple Airlines
Deal found 7/24$330
This Alaska Airlines deal was found by Cheapflights users on 7/24. 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 9/48:25 amPDX - IAD
1 stop29h 08mAlaska Airlines
Tue 9/105:38 pmIAD - PDX
1 stop17h 50mAlaska Airlines
Deal found 7/24$334
This Alaska Airlines deal was found by Cheapflights users on 7/25. 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 10/225:42 pmPDX - IAD
1 stop19h 36mAlaska Airlines
Tue 11/55:28 pmIAD - PDX
1 stop18h 05mAlaska Airlines
Deal found 7/25$338
This Sun Country Air deal was found by Cheapflights users on 7/25. 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.
Mon 9/305:40 pmPDX - IAD
1 stop16h 22mSun Country Air
Mon 10/711:55 amIAD - PDX
1 stop7h 40mSun Country Air
Deal found 7/25$340
This mytrip.com deal was found by Cheapflights users on 7/25. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/262:17 pmPDX - IAD
3 stops22h 38mMultiple Airlines
Mon 9/3012:55 pmIAD - PDX
3 stops23h 24mMultiple Airlines
Deal found 7/25$342
This Alaska Airlines deal was found by Cheapflights users on 7/24. 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 9/255:09 pmPDX - IAD
1 stop20h 24mAlaska Airlines
Sat 9/285:38 pmIAD - PDX
1 stop9h 06mAlaska Airlines
Deal found 7/24$344

Portland to Dulles Intl flights leaving soon

Find last-minute flight options from Portland to Dulles Intl for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
Check out these flights departing soon from Portland to Washington, D.C.. It's wise to confirm all flight details are correct before booking.
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/39:50 amPDX - IAD
3 stops42h 20mMultiple Airlines
Tue 8/1312:55 pmIAD - PDX
3 stops22h 22mMultiple Airlines
Deal found 7/24$444
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/39:50 amPDX - IAD
3 stops42h 20mMultiple Airlines
Sun 8/115:14 pmIAD - PDX
3 stops32h 23mMultiple Airlines
Deal found 7/24$498
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/306:00 pmPDX - IAD
1 stop13h 30mMultiple Airlines
Wed 7/3112:55 pmIAD - PDX
3 stops13h 46mMultiple Airlines
Deal found 7/24$513
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/35:55 pmPDX - IAD
1 stop15h 55mMultiple Airlines
Tue 8/1312:55 pmIAD - PDX
3 stops22h 22mMultiple Airlines
Deal found 7/24$529
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/39:50 amPDX - IAD
3 stops42h 20mMultiple Airlines
Mon 8/122:35 amIAD - PDX
3 stops32h 42mMultiple Airlines
Deal found 7/24$538
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/39:50 amPDX - IAD
3 stops42h 20mMultiple Airlines
Sat 8/108:25 amIAD - PDX
3 stops29h 15mMultiple Airlines
Deal found 7/24$545
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/39:50 amPDX - IAD
3 stops42h 20mMultiple Airlines
Sun 8/111:53 pmIAD - PDX
1 stop12h 02mMultiple Airlines
Deal found 7/24$550
This Sun Country Air deal was found by Cheapflights users on 7/24. 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.
Sat 8/35:55 pmPDX - IAD
1 stop15h 55mSun Country Air
Sun 8/111:53 pmIAD - PDX
1 stop12h 02mSun Country Air
Deal found 7/24$565
This Sun Country Air deal was found by Cheapflights users on 7/24. 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 7/3111:59 pmPDX - IAD
1 stop10h 36mSun Country Air
Wed 8/711:24 amIAD - PDX
1 stop7h 54mSun Country Air
Deal found 7/24$595

One-way flights to Dulles Intl from Portland

Search for one-way flight options from Portland to Dulles Intl. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
If you're seeking multiple options on one-way flights from Portland to Washington, D.C., be sure to check out these deals, which are updated often. Those needing a return flight from Portland to Washington, D.C. can use the search form above.
This Cheapflightsfares deal was found by Cheapflights users on 7/25. 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.
Mon 9/305:40 pmPDX - IAD
1 stop16h 22mSun Country Air
Deal found 7/25$160
This Cheapflightsfares deal was found by Cheapflights users on 7/25. 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 9/45:40 pmPDX - IAD
1 stop14h 40mSun Country Air
Deal found 7/25$165
This Alaska Airlines deal was found by Cheapflights users on 7/24. 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 9/76:30 amPDX - IAD
1 stop8h 23mAlaska Airlines
Deal found 7/24$167
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/235:20 amPDX - IAD
2 stops25h 42mMultiple Airlines
Deal found 7/24$171
This Alaska Airlines deal was found by Cheapflights users on 7/24. 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 10/85:42 pmPDX - IAD
1 stop19h 36mAlaska Airlines
Deal found 7/24$173
This eDestinos deal was found by Cheapflights users on 7/24. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/69:35 pmPDX - IAD
1 stop15h 43mAlaska Airlines
Deal found 7/24$174
This mytrip.com deal was found by Cheapflights users on 7/25. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/105:45 amPDX - IAD
3 stops31h 25mMultiple Airlines
Deal found 7/25$175
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/239:55 pmPDX - IAD
2 stops20h 01mMultiple Airlines
Deal found 7/24$177
This Cheapflightsfares deal was found by Cheapflights users on 7/24. 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.
Fri 8/211:59 pmPDX - IAD
1 stop10h 11mSun Country Air
Deal found 7/24$179

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 2,752,877 searches. Data last updated July 25, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$158 - $398

Route

Depart

Return

Price

PortlandWashington, D.C. Dulles Intl

PDX - IAD

PDXIAD

Portland

Mon 8/26

1 stop20h 24m

Washington, D.C. Dulles Intl

Wed 9/4

1 stop23h 50m

$158

PortlandWashington, D.C. Dulles Intl

PDX - IAD

PDXIAD

Portland

Thu 10/24

1 stop14h 36m

Washington, D.C. Dulles Intl

Thu 10/31

1 stop8h 58m

$319

PortlandWashington, D.C. Dulles Intl

PDX - IAD

PDXIAD

Portland

Tue 8/13

3 stops21h 24m

Washington, D.C. Dulles Intl

Tue 8/20

3 stops27h 19m

$328

PortlandWashington, D.C. Dulles Intl

PDX - IAD

PDXIAD

Portland

Wed 8/21

3 stops27h 20m

Washington, D.C. Dulles Intl

Mon 8/26

3 stops22h 49m

$330

PortlandWashington, D.C. Dulles Intl

PDX - IAD

PDXIAD

Portland

Wed 9/4

1 stop29h 08m

Washington, D.C. Dulles Intl

Tue 9/10

1 stop17h 50m

$334

PortlandWashington, D.C. Dulles Intl

PDX - IAD

PDXIAD

Portland

Mon 9/30

1 stop16h 22m

Washington, D.C. Dulles Intl

Mon 10/7

1 stop7h 40m

$340

PortlandWashington, D.C. Dulles Intl

PDX - IAD

PDXIAD

Portland

Wed 10/23

1 stop7h 29m

Washington, D.C. Dulles Intl

Sun 11/3

1 stop9h 25m

$378

PortlandWashington, D.C. Dulles Intl

PDX - IAD

PDXIAD

Portland

Wed 8/21

Nonstop5h 00m

Washington, D.C. Dulles Intl

Wed 8/28

Nonstop5h 35m

$397

PortlandWashington, D.C. Dulles Intl

PDX - IAD

PDXIAD

Portland

Thu 9/5

1 stop14h 45m

Washington, D.C. Dulles Intl

Tue 9/10

2 stops10h 41m

$398

Flights are sorted by cheapest first

Deals found on 7/25

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 July 23, 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 46 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.
Search Deals

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 July 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Portland 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.
Search Deals

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.

Temperature and rainfall in Dulles Intl by month

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

WAS

Temperature

35.6 - 80.6 °F

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 July 25, 2024.
Read through reviews of airlines operating flights from Portland to Washington, D.C., such as Delta, United Airlines and Sun Country Air. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
5,641 reviews

Boarding

8.3

Crew

8.7

Overall

8.2

Food

7.3

Comfort

8.1

Entertainment

7.8

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Southwest
8.2
Very good
5,641 reviews
Southwest
8.2
Very good
5,641 reviews

Boarding

8.3

Crew

8.7

Overall

8.2

Food

7.3

Comfort

8.1

Entertainment

7.8

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Alaska Airlines
8.1
Very good
9,365 reviews
Southwest
8.2
Very good
5,641 reviews

Boarding

8.3

Crew

8.7

Overall

8.2

Food

7.3

Comfort

8.1

Entertainment

7.8

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Delta
8.0
Very good
9,630 reviews
Southwest
8.2
Very good
5,641 reviews

Boarding

8.3

Crew

8.7

Overall

8.2

Food

7.3

Comfort

8.1

Entertainment

7.8

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

United Airlines
7.4
Good
10,000 reviews
Southwest
8.2
Very good
5,641 reviews

Boarding

8.3

Crew

8.7

Overall

8.2

Food

7.3

Comfort

8.1

Entertainment

7.8

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

American Airlines
7.3
Good
10,000 reviews
Southwest
8.2
Very good
5,641 reviews

Boarding

8.3

Crew

8.7

Overall

8.2

Food

7.3

Comfort

8.1

Entertainment

7.8

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

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 1 outbound flight to Washington, D.C. Dulles Intl per day. 5 airlines have flights to Washington, D.C. Dulles Intl from Portland on a regular basis.

  • Can I find flights from Portland to Washington, D.C. Dulles Intl Airport for under $200 on Cheapflights?

    Yes, there are multiple flights from Portland to Washington, D.C. Dulles Intl Airport for under $200. The cheapest flight booked recently is on Alaska Airlines for just $158, but on average you can expect to pay $336.

  • Are there nonstop flights from Portland to Washington, D.C. Dulles Intl Airport for under $400 on Cheapflights?

    Cheapflights has at least 20 direct flights from Portland to Washington, D.C. Dulles Intl Airport under $400. A good price for a nonstop flight from Portland to Washington, D.C. Dulles Intl Airport is less than $482.

  • Are there last-minute flights available from Portland to Washington, D.C. Dulles Intl Airport for under $500?

    There are currently 20+ open flights from Portland to Washington, D.C. Dulles Intl Airport within the next 7 days for less than $500.

  • What days are nonstop flights available from Portland to Washington, D.C. Dulles Intl Airport?

    Nonstop flights can be found on the following days: Friday, Saturday.

  • How many flights depart from Portland to Washington, D.C. Dulles Intl Airport on average per day?

    Travelers can expect 2 flights from Portland to Washington, D.C. Dulles Intl Airport on average per day.
    Evening (6pm - Midnight) - 100% of flight departures

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

    Airlines like Alaska Airlines and Sun Country Air fly from Portland to Washington, D.C. Dulles Intl Airport in about 14h 36m. The time it takes to get you to your destination can typically vary by up to 5h 48m. Airlines will cover a distance of 2334 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $158. Another airline that can offer you cheap pricing is Sun Country Air. Alaska Airlines is currently priced 70% 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 Sun Country Air ($160), Alaska Airlines ($167), and Delta ($189).

  • 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 $725, our data shows the cheapest flight currently is $173. When looking at the most popular route, (Portland - Washington, D.C. Dulles Intl), you can expect to pay $309 for that flight.

  • What does PDX to IAD mean?

    Great question - PDX to IAD just means Portland Airport to Washington, D.C. Dulles Intl Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from Portland to Dulles Intl that include extra baggage allowance?

    The amount of baggage you can bring on your Portland to Dulles Intl flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Portland to Dulles Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter Portland to Dulles Intl flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Portland to Dulles Intl that allow pets onboard?

    Many airlines flying from Portland to Dulles Intl offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Portland to Dulles Intl?

    Yes, you can often find last-minute deals on Portland to Dulles Intl flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Portland to Washington, D.C. Dulles Intl Airport flight deals updated?

    The Portland to Washington, D.C. Dulles Intl Airport flight deals you see on this page were last updated on 7/25.

  • What are the most popular airlines that fly from Portland to Washington, D.C. Dulles Intl Airport?

    American Airlines, Alaska Airlines and Delta are the most popular airlines when flying from Portland to Washington, D.C. Dulles Intl Airport.

  • 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 $278). Flying from Portland to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $378). 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

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 Portland to Dulles Intl
See prices for flight routes from nearby airports that may be better suited for you.

Portland to Reagan-National flights
Portland to Baltimore flights
Boise to Dulles Intl flights
Boise to Reagan-National flights
Medford to Dulles Intl flights
Eugene to Dulles Intl flights
Boise to Baltimore flights
Eugene to Baltimore flights
Medford to Baltimore flights
Medford to Reagan-National flights
Redmond to Dulles Intl flights
Eugene to Reagan-National flights
Redmond to Reagan-National flights
Redmond to Baltimore flights
Yakima to Dulles Intl flights
Yakima to Reagan-National flights
Yakima to Baltimore flights
North Bend to Dulles Intl flights

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 2,752,877 searches. Data last updated July 25, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$204Average$340FlexibilityNo cancel feeOn-time62%
DeltaCheapest$269Average$451FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$278Average$513FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$321Average$485FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$398Average$563FlexibilityNo cancel feeOn-time69%
St. Louis to Las Vegas flights
USA to New Delhi flights
Orlando Airport to San Juan flights
New York to Guyana flights
Boston to New Orleans flights
USA to India flights
New York to Sydney flights
Las Vegas to Houston flights
Boston to Dublin flights
Austin to Boston flights
Las Vegas to Phoenix flights
Portland to Niagara Falls, New York flights

Search flights from Portland to Dulles Intl by cabin class

Find flights from Portland to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Hourly flight availability from Portland to Dulles Intl

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 July 25, 2024.
1%of flight departuresEarly morningMidnight to 6 am
33%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
66%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Portland to Dulles Intl

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 July 25, 2024.
Sunday0daily flights
Monday2daily flights
Tuesday1daily flight
Wednesday2daily flights
Thursday2daily flights
Friday1daily flight
Saturday2daily flights

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Abha
Flights to Komatsu
Flights to Skardu
Flights to Laayoune Hassan I
Flights to Aqaba King Hussein Intl
Flights to Nampula
Flights to Bourgas
Flights to Riverton
Flights to Alpena Phelps/Collins
Flights to Palmas
Flights to Newport State
Flights to Antofagasta Cerro Moreno
Flights to Nuku‘alofa Fua'Amotu Intl
Flights to Ndola
Flights to Fort Dodge
Flights to Miri
Flights to Rhinelander Oneida County
Flights to Seattle Lake Union Spb
Flights to Portsmouth Pease Intl
Flights to Tumbes
Flights to Jigiga
Flights to Diyarbakir
Flights to Akureyri
Flights to Brainerd Crow Wing County
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.
View all available airlines