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Cheap Flights from Portland to Washington D.C.

Compare Portland to Washington D.C. flight deals

Find the cheapest month or even day of the year to fly to Washington D.C.

Book the best Washington D.C. fare with no extra fees

Flight deals from Portland to Washington D.C.

Looking for a cheap last-minute deal or the best return flight from Portland Airport to Washington D.C.? If you want to travel next month, return fares start from R 3,839. Find the lowest prices on one-way and return tickets right here.
Washington D.C..R 1,758 per passenger.Departing Tue, 1 Sep.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Portland on Tue, 1 Sep, arriving in Baltimore Washington International.Price includes taxes and charges.From R 1,758, select.
Washington D.C..R 1,846 per passenger.Departing Wed, 5 Aug.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Portland on Wed, 5 Aug, arriving in Baltimore Washington International.Price includes taxes and charges.From R 1,846, select.
Washington D.C..R 1,897 per passenger.Departing Sat, 11 Jul.One-way flight with United.Outbound indirect flight with United, departs from Portland on Sat, 11 Jul, arriving in Baltimore Washington International.Price includes taxes and charges.From R 1,897, select.
Washington D.C..R 2,426 per passenger.Departing Tue, 28 Jul.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Portland on Tue, 28 Jul, arriving in Baltimore Washington International.Price includes taxes and charges.From R 2,426, select.
Washington D.C..R 2,733 per passenger.Departing Tue, 30 Jun.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Portland on Tue, 30 Jun, arriving in Baltimore Washington International.Price includes taxes and charges.From R 2,733, select.
Washington D.C..R 2,824 per passenger.Departing Sat, 3 Oct.One-way flight with Delta.Outbound indirect flight with Delta, departs from Portland on Sat, 3 Oct, arriving in Washington Ronald Reagan.Price includes taxes and charges.From R 2,824, select.
Washington D.C..R 2,830 per passenger.Departing Tue, 16 Mar.One-way flight with Delta.Outbound indirect flight with Delta, departs from Portland on Tue, 16 Mar, arriving in Washington Dulles.Price includes taxes and charges.From R 2,830, select.
Washington D.C..R 2,831 per passenger.Departing Fri, 1 Jan.One-way flight with Delta.Outbound indirect flight with Delta, departs from Portland on Fri, 1 Jan, arriving in Washington Ronald Reagan.Price includes taxes and charges.From R 2,831, select.
Washington D.C..R 2,831 per passenger.Departing Tue, 6 Apr.One-way flight with Delta.Outbound indirect flight with Delta, departs from Portland on Tue, 6 Apr, arriving in Washington Ronald Reagan.Price includes taxes and charges.From R 2,831, select.
Washington D.C..R 2,834 per passenger.Departing Thu, 24 Dec.One-way flight with Delta.Outbound indirect flight with Delta, departs from Portland on Thu, 24 Dec, arriving in Washington Ronald Reagan.Price includes taxes and charges.From R 2,834, select.
Washington D.C..R 2,934 per passenger.Departing Tue, 9 Feb.One-way flight with Delta.Outbound indirect flight with Delta, departs from Portland on Tue, 9 Feb, arriving in Washington Ronald Reagan.Price includes taxes and charges.From R 2,934, select.
Washington D.C..R 2,938 per passenger.Departing Sun, 15 Nov.One-way flight with Delta.Outbound indirect flight with Delta, departs from Portland on Sun, 15 Nov, arriving in Washington Dulles.Price includes taxes and charges.From R 2,938, select.
Washington D.C..R 3,819 per passenger.Departing Mon, 29 Jun.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Portland on Mon, 29 Jun, arriving in Baltimore Washington International.Price includes taxes and charges.From R 3,819, select.
Washington D.C..R 4,141 per passenger.Departing Tue, 16 Mar.One-way flight with United.Outbound direct flight with United departs from Portland on Tue, 16 Mar, arriving in Washington Dulles.Price includes taxes and charges.From R 4,141, select.
Washington D.C..R 4,142 per passenger.Departing Fri, 1 Jan.One-way flight with United.Outbound direct flight with United departs from Portland on Fri, 1 Jan, arriving in Washington Dulles.Price includes taxes and charges.From R 4,142, select.
Washington D.C..R 4,147 per passenger.Departing Thu, 24 Dec.One-way flight with United.Outbound direct flight with United departs from Portland on Thu, 24 Dec, arriving in Washington Dulles.Price includes taxes and charges.From R 4,147, select.

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 September.
Jun
from R 2,733
Jul
from R 1,897
Aug
from R 1,846
Sep
from R 1,758
Oct
from R 2,824
Nov
from R 2,938
Dec
from R 2,834
Jan
from R 2,831
Feb
from R 2,934
Mar
from R 2,830
Apr
from R 2,831
May
Find prices

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.

Washington Ronald Reagan

5km from central Washington D.C.
Closest
from R 2,199
Search flights

Camp Springs Andrews AFB

17km from central Washington D.C.
Search flights

Washington Dulles

37km from central Washington D.C.
from R 2,769
Search flights

Baltimore Washington International

44km from central Washington D.C.
Cheapest
from R 1,758
Search flights

Manassas

47km from central Washington D.C.
Search flights

Portland to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight foundR 1,758
Cheapest month to flySeptember
Average flight time5 hrs, 2 mins
Most popular airlineAlaska Airlines
Average flights per week64

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 return flight from Portland to Washington D.C. is R 3,203. 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 2 minutes is the average flight time from Portland to Washington D.C..
Alaska Airlines, United and Southwest Airlines fly direct from Portland to Washington D.C..
As of June 2026, there are 33 flights per week flying from Portland to Washington D.C..
The cheapest month to fly from Portland to Washington D.C. is usually September.
If you're flying from Portland Airport, the cheapest airport near Washington D.C. is Baltimore Washington International – which is 43.6 km away from the centre of Washington D.C.. We've found flights into this airport from R 3,203.
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 Tuesday, 15 September 2026.
Yes – the average flight time is 5 hours and 2 minutes.
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 June, the average temperature is usually around 22°C. July is typically the warmest month in Washington D.C., when it usually averages around 31°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -4°C. The rainiest month is September.
Currently, Delta and Alaska Airlines offer the cheapest flight tickets to Washington D.C..

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

  • Hop on a direct flight from Portland International Airport to Washington DC and you'll be travelling for an average of 5 hours 50 minutes.

  • Washington DC is three hours ahead of Portland, where Portland International Airport is located. Washington DC observes the UTC-4 timezone.

  • Portland International Airport (PDX) to Ronald Reagan National Airport (DCA) is the most popular route, with seven departures a week to pick from. You can fly from PDX to DCA at 07:42 with Alaska Airlines.

  • To avoid missing your PDX to Washington DC flight, allow plenty of time to check in and drop off your luggage. Turning up two hours ahead of international departures and one hour before domestic flights is the general travel rule.

  • Flying during a peak month such as July? School holidays and other popular periods can lead to longer queues and delays at security. Play it safe and arrive up to four hours ahead of international flights and two hours before domestic departures.

  • Book a direct Portland International Airport to Washington DC ticket and enjoy a quicker route to your destination. PDX offers nonstop flights to these Washington DC airports:

    • Ronald Reagan National Airport (DCA)

    • Washington Dulles International Airport (IAD)

    • Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • You'll find a good selection of airlines that offer direct flights from Portland International Airport to Washington DC, such as:

  • PDX is around 10 kilometres from central Portland. If you're catching a cab, driving or ride-sharing from the centre, it'll take you 20 minutes or so to get there, depending on the traffic. If you're taking public transport, expect the journey time to be around 45 minutes.

  • In search of a hotel close to PDX? If you're catching an early flight from Portland International Airport to Washington DC, these stays set you up for a seamless send-off:

  • 83.65% of flights departing from Portland International Airport touch down at their destination on schedule. With its impressive on-time stats, delays are unlikely when jetting out of PDX.

  • PDX's address is 7000 NE Airport Way.

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

  • R 1,758 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 R 3,203. 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)

  • The distance from Ronald Reagan National Airport (DCA) to central Washington DC is roughly 8 kilometres. It'll take you about 15 minutes to get to the centre driving.

  • If you're travelling by public transport, expect a journey time of around 45 minutes.

  • Consider staying in a hotel near DCA if you have a late flight from Portland International Airport to Washington DC. Pick one of these options and make your first night all about rest:

  • Travel at your own speed with a Ronald Reagan National Airport rental car. Pick up a set of wheels from Thrifty, Sixt or Dollar and experience more of Washington DC and beyond.

  • Reserving your vehicle from Ronald Reagan National Airport about four weeks ahead of your flight from PDX to Washington DC can help you lock in the best possible rate.

  • You'll find DCA at 1 Aviation Circle.

Washington Dulles International Airport (IAD)

  • The centre of Washington DC is located around 56 kilometres from Washington Dulles International Airport (IAD). After your flight from Portland International Airport to Washington DC has touched down and you've made your way out of the airport, expect a drive of around 50 minutes.

  • Travelling by public transport will take about 1 hour 10 minutes.

  • 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 slip into relaxation mode:

  • Forget about inconvenient public transport schedules or long cab lines. Pick up a Washington Dulles International Airport rental car and let your trip unfold on your terms. Compare offers from Dollar, Thrifty and Sixt.

  • Call dibs on the best options. Booking your ride from IAD one week ahead of time often means better deals and a bigger choice of vehicles.

  • The address for Washington Dulles International Airport is 1 Saarinen Circle.

Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • Hop off your flight from Portland International Airport to Washington DC and make your way to your hotel or jump right into sightseeing. Central Washington DC is around 48 kilometres from Baltimore/Wash International Thurgood Marshall Airport (BWI) and usually takes 50 minutes to reach by car.

  • The journey will take you around 1 hour 30 minutes by public transport.

  • Enjoy a low-stress, comfortable start to your trip by checking in to a hotel near BWI after your PDX to Washington DC flight. Recover from a day of travel or just give yourself time to get your bearings in a new destination at:

  • Take the guesswork out of the next chapter of your journey with a Baltimore/Wash International Thurgood Marshall Airport rental car. Dollar, Thrifty and Budget are reliable rental providers.

  • Get a payoff by planning ahead. Book your ride from BWI two weeks before your flight from Portland International Airport to Washington DC to access the best rates.

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 flight 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 19ºC (66ºF) to 33ºC (91ºF).

  • January sees average temperatures of between -6ºC (21ºF) and 10ºC (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 322 kilometres 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 193 kilometres north-east of Washington DC. Liberty Bell, Independence Hall and Philadelphia Museum of Art are highlights.

Plan the rest of your trip from Portland to Washington D.C.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.