$161 Cheap United flights from Washington to Portland (IAD to PDX)

Find The Best Day To Fly from Washington to Portland

Amazing United IAD to PDX Flight Deals

The cheapest flights to Portland Intl. found within the past 7 days were $292 round trip and $161 one way. Prices and availability subject to change. Additional terms may apply.

Tue, Dec 9 - Wed, Dec 17
IAD
Washington
PDX
Portland
$292 Roundtrip, found 3 days ago
$292
Roundtrip
found 3 days ago
Select United flight, departing Tue, Dec 9 from Washington to Portland, returning Wed, Dec 17, priced at $292 found 3 days ago
Wed, Mar 11 - Sun, Mar 15
IAD
Washington
PDX
Portland
$308 Roundtrip, found 1 hour ago
$308
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Mar 11 from Washington to Portland, returning Sun, Mar 15, priced at $308 found 1 hour ago
Tue, Dec 9 - Wed, Dec 17
IAD
Washington
PDX
Portland
$308 Roundtrip, found 3 days ago
$308
Roundtrip
found 3 days ago
Select United flight, departing Tue, Dec 9 from Washington to Portland, returning Wed, Dec 17, priced at $308 found 3 days ago
Tue, Dec 9 - Wed, Dec 17
IAD
Washington
PDX
Portland
$312 Roundtrip, found 3 days ago
$312
Roundtrip
found 3 days ago
Select United flight, departing Tue, Dec 9 from Washington to Portland, returning Wed, Dec 17, priced at $312 found 3 days ago
Fri, Feb 13 - Sat, Feb 14
IAD
Washington
PDX
Portland
$312 Roundtrip, found 14 hours ago
$312
Roundtrip
found 14 hours ago
Select United flight, departing Fri, Feb 13 from Washington to Portland, returning Sat, Feb 14, priced at $312 found 14 hours ago
Sat, Dec 6 - Wed, Dec 10
IAD
Washington
PDX
Portland
$313 Roundtrip, found 2 days ago
$313
Roundtrip
found 2 days ago
Select United flight, departing Sat, Dec 6 from Washington to Portland, returning Wed, Dec 10, priced at $313 found 2 days ago
Tue, Dec 9 - Wed, Dec 17
IAD
Washington
PDX
Portland
$316 Roundtrip, found 3 days ago
$316
Roundtrip
found 3 days ago
Select United flight, departing Tue, Dec 9 from Washington to Portland, returning Wed, Dec 17, priced at $316 found 3 days ago
Tue, Dec 9 - Wed, Dec 17
IAD
Washington
PDX
Portland
$318 Roundtrip, found 3 days ago
$318
Roundtrip
found 3 days ago
Select United flight, departing Tue, Dec 9 from Washington to Portland, returning Wed, Dec 17, priced at $318 found 3 days ago
Fri, Feb 13 - Sat, Feb 14
IAD
Washington
PDX
Portland
$324 Roundtrip, found 14 hours ago
$324
Roundtrip
found 14 hours ago
Select United flight, departing Fri, Feb 13 from Washington to Portland, returning Sat, Feb 14, priced at $324 found 14 hours ago

PDX From IAD Economy Coach Packages on Similar Airlines

Price found within the past 48 hours. Click for updated prices.
Kimpton Hotel Vintage Portland by IHG

Kimpton Hotel Vintage Portland by IHG

4.5 out of 5
Price was $746, price is now $618 per person
$618
per person
Nov 26 - Nov 30
found 19 hours ago
Roundtrip non-stop flight included
Washington (DCA) to Portland (PDX)
Mark Spencer Hotel

Mark Spencer Hotel

3 out of 5
Price was $878, price is now $639 per person
$639
per person
Nov 26 - Nov 30
found 19 hours ago
Roundtrip non-stop flight included
Washington (DCA) to Portland (PDX)
The Nines, a Luxury Collection Hotel, Portland

The Nines, a Luxury Collection Hotel, Portland

5 out of 5
Price was $843, price is now $667 per person
$667
per person
Nov 26 - Nov 30
found 19 hours ago
Roundtrip non-stop flight included
Washington (DCA) to Portland (PDX)
Don't see what you're looking for?
See all available trips from Washington Dulles Intl. to Portland Intl.
View all trips

Frequently asked questions

Can I catch a flight from IAD to Portland Airport right now?
Ensure you check out the Covid-19 Travel Advisor to see if there are any current quarantine requirements or travel advice reports in effect in Portland Airport when jet-setting from Dulles Intl. Airport.
What terminal is United Airlines at Dulles Intl. Airport?
If you're catching a flight from Dulles Intl. Airport to PDX Airport, the chances are you'll be disembarking at the main terminal. We can't say for certain which terminal you'll be heading off from — you'll need to contact your airline.
Are there United Airlines non-stop flights from IAD to PDX?
Yes, you can go direct from Washington Dulles Intl. Airport (IAD) to Portland Airport with United Airlines and avoid layovers. The less time you spend en route, the more time you'll have to create unforgettable memories.
How long is a United Airlines flight from IAD to PDX?
Air traffic and weather permitting, your United Airlines flight from IAD to PDX should take approximately 6 hours and 24 minutes. You'll have plenty of time to eat a meal, get some rest and look at your itinerary before you hit the tarmac.
What type of aircraft does United Airlines fly from IAD to PDX?
United Airlines typically uses the Boeing 737-900 between Dulles Intl. Airport and PDX Airport.
How many direct and indirect flights does United Airlines fly from IAD to PDX?
You'll have a great deal of flexibility if you're considering flying with United Airlines between IAD and PDX. Currently, it has roughly 3 flights each day.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to PDX, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Discover our best United flight from Washington IAD to Portland PDX 

To find the best deals on flights to Washington from Portland with United, just enter your travel dates, filter by United, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Washington IAD to Portland PDX with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $292 to $324, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from Washington IAD to Portland PDX 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from Washington to Portland costs from $161. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Portland PDX from  Washington IAD with United 

To find a cheap United flight from Washington IAD to Portland PDX, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from Washington IAD to Portland PDX 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as December, or if you book a flight with a stopover. 

 

Find nonstop flights from Washington IAD to Portland PDX with United 

If you’re keen to be on Portland soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from Washington IAD to Portland PDX 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Portland PDX from  Washington IAD with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

Travelers ❤️ these 🏨 after their flight to Portland

Holiday Inn Airport - Portland by IHG

Holiday Inn Airport - Portland by IHG

3 out of 5
8439 Ne Columbia Blvd, Portland, OR
This hotel features an indoor pool, a 24-hour gym, and a restaurant. Traveling on business? Take advantage of the business center, free WiFi in public areas, ...
8/10 Very Good! (2,707 reviews)
It was very nice and quiet. After a long day of travels by, it was nice to go to our room and relax.

Reviewed on Oct 29, 2025

Holiday Inn Airport - Portland by IHG
Country Inn & Suites by Radisson, Portland International Airport, OR

Country Inn & Suites by Radisson, Portland International Airport, OR

3 out of 5
7025 NE Alderwood Rd, Portland, OR
This hotel features an indoor pool and a gym. Traveling on business? Take advantage of the 24-hour business center, free WiFi in public areas, and free airport ...
8.6/10 Excellent! (2,487 reviews)
breakfast

Reviewed on Oct 29, 2025

Country Inn & Suites by Radisson, Portland International Airport, OR
Radisson Hotel Portland Airport

Radisson Hotel Portland Airport

3.5 out of 5
6233 NE 78th Court, Portland, OR
This hotel features a restaurant, a 24-hour gym, and a bar/lounge. Traveling on business? Take advantage of the 24-hour business center, free WiFi in public ...
8.8/10 Excellent! (2,833 reviews)
The lady that checked us in was so friendly & wonderful. Very informative & helpful & got us all scheduled for the airport shuttle which was so quick & very on time. We will totally stay there again

Reviewed on Oct 28, 2025

Radisson Hotel Portland Airport
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Explore More Ways to Travel with Travelocity

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.