Cheap Flight Tickets from Portland (PDX) to Washington (IAD), Starting at $231

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

$231

F9 Frontier Airlines • 1 stop • 17h 27m

Aug 21 – Aug 24

The cheapest round trip flight from Portland to Washington (PDX-IAD-PDX) is currently $231

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Cheapest Direct Flight

$778

UA United Airlines • nonstop • 8h 21m

Aug 21

The cheapest nonstop flight from Portland to Washington (PDX-IAD) is currently $778

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Fastest Flight

8h 21m

The fastest nonstop flight from Portland to Washington (PDX-IAD) takes 8h 21m

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.

Aug 21 - Aug 24, Economy
F9
Portland → Washington
17h 27m
6:17 PM - 8:04 AM • 1 stop
F9
Portland → Washington
21h 51m
7:00 AM - 5:11 PM • 1 stop
$231
Frontier Airlines
Aug 21 - Aug 24, Economy
AS
Portland → Washington
14h 19m
5:41 PM - 5:40 AM • 1 stop
AS
Portland → Washington
8h 52m
4:43 PM - 7:15 PM • nonstop
$258
Alaska Airlines
Aug 21 - Aug 24, Economy
AS
Portland → Washington
11h 40m
7:40 PM - 5:40 AM • 1 stop
AS
Portland → Washington
8h 52m
4:43 PM - 7:15 PM • nonstop
$258
Alaska Airlines
Aug 21 - Aug 24, Economy
AS
Portland → Washington
13h 57m
5:07 AM - 4:44 PM • 1 stop
AS
Portland → Washington
8h 52m
4:43 PM - 7:15 PM • nonstop
$258
Alaska Airlines
Aug 21 - Aug 24, Economy
AS
Portland → Washington
11h 40m
1:59 PM - 11:59 PM • 1 stop
AS
Portland → Washington
8h 52m
4:43 PM - 7:15 PM • nonstop
$258
Alaska Airlines
Aug 21 - Aug 24, Economy
UA
Portland → Washington
8h 21m
8:25 AM - 4:26 PM • nonstop
UA
Portland → Washington
8h 57m
5:33 PM - 8:10 PM • nonstop
$778
United 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 5:07 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 258
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 7:40 pm

Essential Information for Booking Flights from Portland (PDX) - AI Insights

What's the cheapest airline from pdx to iad?
You can find affordable flights from Portland International Airport (PDX) to Washington Dulles International Airport (IAD) on Frontier Airlines. For a round-trip economy flight, consider booking in advance to secure low fares. Look for airfare deals during your preferred travel dates in July or October.
What's the popular airline to fly from pdx to iad?
You can fly from Portland International Airport (pdx) to Washington Dulles International Airport (iad) on United Airlines. This is a popular airline option, known for its reliable service and affordable fares. For round-trip flights with two stops, it's recommended to book at least 50 days in advance to secure the best budget-friendly airfare options.
What's the cheapest day of the week to fly from pdx to iad?
The cheapest day to fly from Portland International Airport (PDX) to Washington Dulles International Airport (IAD) is typically Sunday. Booking in advance, such as 50 days prior to your trip, can help secure better rates on flights with two stops.
What's the cheapest month to fly from pdx to iad?
The cheapest month to fly from Portland International Airport (PDX) to Washington Dulles International Airport (IAD) is December. Flying during this time can help you save on airfares, making it a budget-friendly option for your round-trip journey.
Which airline/airlines fly from pdx to iad?
The airlines that fly from Portland International Airport (PDX) to Washington Dulles International Airport (IAD) include American Airlines, Frontier Airlines, Delta Airlines, United Airlines, JetBlue Airways, Alaska Airlines, Volaris Airline, and Sun Country Airlines. You can find the most up-to-date flight information on airline websites or travel agencies.
What is the cheapest airfare from Portland International Airport to Washington Dulles International Airport for a round trip journey?
The cheapest airfare from Portland International Airport to Washington Dulles International Airport for a round trip journey with Frontier Airlines (F9) can be found on fareleaders.com, starting from $
How many advance booking days are required for a 2-stop flight?
For a 2-stop flight, you need to book at least 50 advance booking days in advance.
Can I book flights on fareleaders.com in July for my next trip?
Yes, you can book flights on fareleaders.com in July for your next trip.
What is the best way to find cheap flights and airfares on your website?
The best way to find cheap flights and airfares on fareleaders.com is by using our advanced search feature and filtering options.
Do you offer busco or de flights on your platform?
No, we do not offer busco or de flights on our platform.
Is it possible to book web-based flights with fares starting from $
Yes, you can book web-based flights with fares starting from $
How can I need assistance with booking my airflight on fareleaders.com?
You can contact our customer support team for assistance with booking your airflight on fareleaders.com.

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

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

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