Cheap Flights from Portland (PDX) to Washington, D.C. (WASA)

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Flight deals from Portland to Washington, D.C.

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

Find the cheapest month to fly from Portland to Washington, D.C.

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to Washington, D.C. flights are currently cheapest in June.

Direct flights from Portland to Washington, D.C.

Alternative Portland to Washington, D.C. routes

Looking for the cheapest, fastest or easiest route from Portland to Washington, D.C.? You could fly into the following airports instead.

Portland to Washington, D.C.: Flight information

The things to know before you go.
Cheapest flight found$112
Cheapest month to flyJuly
Average flight time5 hrs, 1 min
Most popular airlineUnited
Average flights per week114

Finding cheap flights from Portland to Washington, D.C.: Frequently asked questions

There are 5 airports in Washington, D.C.: Washington Ronald Reagan, Camp Springs Andrews AFB, Washington Dulles, Baltimore Washington International, and Manassas.
The best price we found for a round-trip flight from Portland to Washington, D.C. is $206. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
5 hours and 1 minute is the average flight time from Portland to Washington, D.C..
United, Southwest Airlines and Alaska Airlines fly direct from Portland to Washington, D.C..
There are 38 flights per week flying from Portland to Washington, D.C., as of May 2025.
The cheapest month to fly from Portland to Washington, D.C. is usually May 2025.
If you're flying from Portland Airport, the cheapest airport near Washington, D.C. is Baltimore Washington International – which is 27.1 miles away from the center of Washington, D.C.. We've found flights to this airport from $206.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Washington, D.C. on Wednesday, June 11, 2025.
Yes – the average flight time is 5 hours and 1 minute.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Washington, D.C. but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Washington, D.C. is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 62°F. July is typically the warmest month in Washington, D.C., when it usually averages around 88°F. You can expect the least rain in February. The coldest month is January, with temperatures averaging 25°F. The rainiest month is September.
Currently, Spirit Airlines and Hawaiian Airlines offer the cheapest flight tickets to Washington, D.C..

Traveling from Portland International Airport (PDX) to Washington DC: what you need to know

  • Expect to be traveling for 5 hours 50 minutes. That's the average duration of a direct flight from Portland International Airport to Washington DC.

  • The timezone in Washington DC is UTC-4. The city is three hours ahead of Portland, where Portland International Airport is located.

  • The most popular route is from Portland International Airport (PDX) to Ronald Reagan National Airport (DCA). You can select from seven services every week between these two airports. Alaska Airlines offers a 07:42 departure between PDX and DCA.

  • For hassle-free travel, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This leaves you with plenty of time to catch your PDX to Washington DC flight.

  • If you're traveling during a major holiday or another peak period, give yourself more time. A good rule is two hours ahead of domestic flights and up to four hours before international departures. Check-in and security lines will be longer.

  • Begin your trip at PDX and go straight to Washington DC without any stops. When booking a direct Portland International Airport to Washington DC ticket, these are your landing options:

    • Ronald Reagan National Airport (DCA)

    • Washington Dulles International Airport (IAD)

    • Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • Choose from a variety of carriers offering direct flights from Portland International Airport to Washington DC. Get on board with any of these:

  • PDX is around 6 miles from central Portland. If you're ride-sharing, catching a cab or driving from the center, it'll take you 20 minutes or so to get there, depending on the traffic. If you're planning to take public transport, expect the journey time to be around 45 minutes.

  • Catching an early flight from Portland International Airport to Washington DC? Avoid rushing to the airport (and catch some extra z's) by choosing one of these hotels close to PDX:

  • 83.65% of flights departing from Portland International Airport touch down at their destination on schedule. With its solid on-time performance, you're unlikely to face delays when jetting out of PDX.

  • PDX is located at 7000 NE Airport Way.

How to find the cheapest flights from Portland International Airport (PDX) to Washington DC

  • $112 is the lowest price we've seen for a one-way Portland International Airport to Washington DC flight. A round-trip ticket right now is $206. Depending on when you want to go and the availability, these fares may change.

  • To secure cheap flights from PDX to Washington DC, book your trip one month ahead of your departure date.

  • Schedule your trip for May. That's the best month for scoring an epic deal on Portland International Airport to Washington DC tickets. If you're flexible with your dates, use the 'Whole month' tool to find the cheapest price across every month.

  • Save time searching for cheap flights from PDX to Washington DC by setting up a Price Alert. You'll receive an email or notification on the app when a new low fare is offered.

  • Tailor your flights with filters. Choose your preferred arrival and departure times, total journey duration and airlines. You can also sort results by 'Cheapest,' 'Fastest' or 'Best' flights from Portland International Airport to Washington DC.

Airports in Washington DC

Ronald Reagan National Airport (DCA)

  • Ronald Reagan National Airport (DCA) is around 5 miles from central Washington DC. If you're opting for a ride-share or a cab, the drive takes roughly 15 minutes.

  • It typically takes 45 minutes to get there by public transport.

  • If you have a late flight from Portland International Airport to Washington DC, nothing beats the convenience of staying close to the terminal. Grab your luggage from the carousel and then be showered and resting not long after at one of these accommodation options near DCA:

  • Pick up a Ronald Reagan National Airport rental car and explore Washington DC and beyond with your own set of wheels. Thrifty, Sixt and Dollar are leading providers you can book with here.

  • Get the best deal by reserving your vehicle from Ronald Reagan National Airport around four weeks before your flight from PDX to Washington DC.

  • The address for DCA is 1 Aviation Circle.

Washington Dulles International Airport (IAD)

  • Central Washington DC is located around 35 miles from Washington Dulles International Airport (IAD). After your flight from Portland International Airport to Washington DC has hit the runway and you've navigated your way to arrivals, expect a drive of around 50 minutes.

  • If you choose to travel on public transport, you'll get to the city center in 1 hour 10 minutes or so.

  • After stepping off your PDX to Washington DC flight, settle in at a hotel close to IAD. These are some comfortable accommodation options that'll help you get into relaxation mode:

  • No time to waste? The fastest way to get to where you're going is with a Washington Dulles International Airport rental car. Grab a set of wheels from Dollar, Thrifty or Sixt and make a speedy getaway.

  • Avoid last-minute price surges. Reserving your ride one week before your arrival at IAD can help you lock in a better rate.

  • Washington Dulles International Airport is located at 1 Saarinen Circle.

Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • Hop off your flight from Portland International Airport to Washington DC and head straight for your hotel or start discovering the city right away. Central Washington DC is around 30 miles from Baltimore/Wash International Thurgood Marshall Airport (BWI) and usually takes 50 minutes to reach driving.

  • The journey takes roughly 1 hour 30 minutes by public transport.

  • Reserve a hotel close to BWI and go from landing to lounging in your room in a flash. Whether you have a late PDX to Washington DC flight or just want to simplify your travel plans, these stays put comfort right within reach:

  • Whether you'd like a mini for a solo trip or a roomy SUV to fit the whole crew comfortably, you'll find the perfect Baltimore/Wash International Thurgood Marshall Airport rental car for your needs. Explore the types of wheels available from providers such as Dollar, Thrifty and Budget.

  • Get ahead of the game and reap the rewards. Book your vehicle from BWI two weeks before your flight from Portland International Airport to Washington DC to access the best deals.

Best time to go to Washington DC

  • Plan your trip to Washington DC in high season if you prefer a bustling atmosphere, but remember that prices tend to be higher. Alternatively, book your flights from Portland International Airport to Washington DC during low season when prices are cheaper and it's less crowded.

  • Book a Portland International Airport to Washington DC plane ticket with a departure in July if you're eager to experience the city during its warmest month. You can expect temperatures to range from 66ºF to 91ºF.

  • January sees average temperatures of between 21ºF and 50ºF. Look for a cheap ticket from PDX to Washington DC around that time if you want to travel in cooler conditions.

More about Washington DC

Explore more of United States

  • Washington DC has plenty going for it, but there are so many other parts of United States just waiting to be explored. Around 200 miles north-east of Washington DC, a visit to New York will keep your itinerary busy. Check out popular attractions like Statue of Liberty, Central Park and Empire State Building.

  • If you're interested in discovering another major destination in United States, consider Philadelphia, about 120 miles north-east of Washington DC. Liberty Bell, Independence Hall and Philadelphia Museum of Art are highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.