Cheap Flight Tickets from Portland (PDX) to Washington (IAD), Starting at $299

Good to Know: Cheapest and Fastest PDX - IAD Flights

Useful information for finding best airline tickets from Portland International to Washington Dulles International on your next trip.

Cheapest Round Trip Flight

$561

DL Delta Airlines • 1 stop • 15h 42m

Jul 08 – Jul 13

The cheapest round trip flight from Portland to Washington (PDX-IAD-PDX) is currently $561

🔍 Search Flights

Cheapest Direct Flight

$299

UA United Airlines • nonstop • 8h 22m

Jul 06

The cheapest nonstop flight from Portland to Washington (PDX-IAD) is currently $299

🔍 Search Flights

Fastest Flight

8h 22m

The fastest nonstop flight from Portland to Washington (PDX-IAD) takes 8h 22m

Top Airlines Flying from Portland to Washington

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Alaska Airlines -AS

Alaska Airlines

Sun Country Airlines (SY)

Sun Country Airlines

Latest Flight Deals from Portland (PDX) to Washington (IAD)

Compare and book low fare round-trip air tickets from Portland to Washington. Ideal for travelers with confirmed return itineraries.

Jul 08 - Jul 13, Economy
DL
Portland → Washington
15h 42m
10:55 PM - 11:37 AM • 1 stop
DL
Portland → Washington
15h 42m
3:02 PM - 9:44 PM • 1 stop
$561
Delta Airlines
Jul 08 - Jul 13, Economy
AS
Portland → Washington
12h 32m
6:19 AM - 5:11 PM • 1 stop
AS
Portland → Washington
13h 36m
6:14 PM - 11:30 PM • 1 stop
$566
Alaska Airlines
Jul 08 - Jul 13, Economy
UA
Portland → Washington
12h
2:25 PM - 12:45 AM • 1 stop
UA
Portland → Washington
8h 59m
5:40 PM - 8:19 PM • nonstop
$657
United Airlines
Jul 08 - Jul 13, Economy
AA
Portland → Washington
13h 22m
9:47 PM - 8:49 AM • 1 stop
AA
Portland → Washington
13h 44m
7:31 PM - 12:55 AM • 1 stop
$666
American Airlines
Jul 08 - Jul 13, Economy
AS
Portland → Washington
19h
9:19 AM - 11:59 PM • 1 stop
AS
Portland → Washington
13h 36m
6:14 PM - 11:30 PM • 1 stop
$700
Alaska Airlines
Jul 08 - Jul 13, Economy
AS
Portland → Washington
22h 20m
7:19 AM - 11:59 PM • 1 stop
AS
Portland → Washington
13h 36m
6:14 PM - 11:30 PM • 1 stop
$721
Alaska Airlines

Fly from Portland to Washington with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Portland to Washington? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Portland to Washington Flights

What are the airports in Portland?
PDX
What’s the most popular airline flying from PDX to IAD?
The most popular airline flying from Portland to Washington are
Can I fly from PDX to IAD non-stop?
Yes, you can fly PDX to IAD non-stop on
Which airlines fly nonstop between Portland and Washington?
The non-stop flights between Portland and Washington are .
What’s the earliest departure time from PDX to IAD Airport?
The earliest flight leaves PDX at 6:19 am and lands in IAD - Washington Dulles International
What are the airports in Washington?
IAD,BWI,DCA
Can I make changes to my Portland to Washington flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from PDX to IAD?
Read the fare rules of the Portland to Washington air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Portland and Washington?
operate flights between Portland and Washington
How long does a flight from Portland to Washington take?
It takes approximately 5 hour to fly non-stop from PDX to IAD, which is 2327.38 miles by air.
Which airlines provide the cheapest flights from Portland (PDX) to Washington (IAD) ?
In the past couple of days, the cheapest tickets to IAD from PDX were found on AS : USD 566
Do I need a passport to fly between PDX and IAD?
No
What’s the latest departure time from PDX to IAD ?
The last flight leaves PDX at 11:30 pm

Portland (PDX) to Washington (IAD): Airport Information

Origin Airport Portland International , Portland, US
Destination Airport Washington Dulles International , Washington, US
Distance 2327 miles

More Flight Options for Portland (PDX) and Washington (IAD)

Why Fareleaders for PDX to IAD Plane Tickets

Lowest Prices
Lowest Prices
Uncover the best deals on Portland to Washington flights by comparing fares from hundreds of airlines and agencies.
New Deals
New Deals Everyday
Get the best prices on PDX to IAD flights—we update our fares daily so you never miss a saving.
Best Travel Options
No Service Fees
Compare hundreds of Portland to Washington flights and secure the best deals—we never add any service fees.
Get Fare Drop Alert
Be the first to know when fares drop for the Portland (PDX) to Washington (IAD)
Terms and Conditions*