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Cheap Flights from Portland (PWM) to Washington D.C. (DCA)

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      Compare Portland to Washington Ronald Reagan flight deals

      Find the cheapest month or even day of the year to fly to Washington Ronald Reagan

      Book the best Washington Ronald Reagan fare with no extra fees

      Flight deals from Portland to Washington Ronald Reagan

      Looking for a cheap last-minute deal or the best return flight from Portland Airport to Washington Ronald Reagan Airport? If you want to travel next month, return fares start from $337. Find the lowest prices on one-way and return tickets right here.
      Washington D.C..$337 per passenger.Departing Fri, 11 Sep, returning Sat, 12 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Portland on Fri, 11 Sep, arriving in Washington Ronald Reagan.Inbound indirect flight with Delta, departs from Washington Ronald Reagan on Sat, 12 Sep, arriving in Portland.Price includes taxes and charges.From $337, select.
      Washington D.C..$340 per passenger.Departing Mon, 26 Oct, returning Thu, 29 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Portland on Mon, 26 Oct, arriving in Washington Ronald Reagan.Inbound indirect flight with Delta, departs from Washington Ronald Reagan on Thu, 29 Oct, arriving in Portland.Price includes taxes and charges.From $340, select.
      Washington D.C..$380 per passenger.Departing Sat, 31 Oct, returning Thu, 5 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Portland on Sat, 31 Oct, arriving in Washington Ronald Reagan.Inbound indirect flight with Delta, departs from Washington Ronald Reagan on Thu, 5 Nov, arriving in Portland.Price includes taxes and charges.From $380, select.
      Washington D.C..$387 per passenger.Departing Fri, 28 Aug, returning Mon, 31 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from Portland on Fri, 28 Aug, arriving in Washington Ronald Reagan.Inbound indirect flight with Delta, departs from Washington Ronald Reagan on Mon, 31 Aug, arriving in Portland.Price includes taxes and charges.From $387, select.
      Washington D.C..$387 per passenger.Departing Wed, 9 Dec, returning Sun, 13 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Portland on Wed, 9 Dec, arriving in Washington Ronald Reagan.Inbound indirect flight with Delta, departs from Washington Ronald Reagan on Sun, 13 Dec, arriving in Portland.Price includes taxes and charges.From $387, select.
      Washington D.C..$394 per passenger.Departing Sun, 15 Nov, returning Sun, 22 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Portland on Sun, 15 Nov, arriving in Washington Ronald Reagan.Inbound indirect flight with Delta, departs from Washington Ronald Reagan on Sun, 22 Nov, arriving in Portland.Price includes taxes and charges.From $394, select.
      Washington D.C..$473 per passenger.Departing Sat, 5 Jun, returning Sun, 13 Jun.Return flight with Delta.Outbound indirect flight with Delta, departs from Portland on Sat, 5 Jun, arriving in Washington Ronald Reagan.Inbound indirect flight with Delta, departs from Washington Ronald Reagan on Sun, 13 Jun, arriving in Portland.Price includes taxes and charges.From $473, select.
      Washington D.C..$485 per passenger.Departing Thu, 8 Apr, returning Sun, 11 Apr.Return flight with United.Outbound indirect flight with United, departs from Portland on Thu, 8 Apr, arriving in Washington Ronald Reagan.Inbound indirect flight with United, departs from Washington Ronald Reagan on Sun, 11 Apr, arriving in Portland.Price includes taxes and charges.From $485, select.
      Washington D.C..$769 per passenger.Departing Mon, 28 Sep, returning Fri, 2 Oct.Return flight with United.Outbound indirect flight with United, departs from Portland on Mon, 28 Sep, arriving in Washington Ronald Reagan.Inbound indirect flight with United, departs from Washington Ronald Reagan on Fri, 2 Oct, arriving in Portland.Price includes taxes and charges.From $769, select.

      Find the cheapest month to fly from Portland to Washington Ronald Reagan

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to Washington Ronald Reagan flights are currently cheapest in September.
      Aug
      from $387
      Sep
      from $337
      Oct
      from $340
      Nov
      from $394
      Dec
      from $387
      Jan
      Find prices
      Feb
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      Mar
      Find prices
      Apr
      from $485
      May
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      Jun
      from $473
      Jul
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      Direct flights from Portland to Washington Ronald Reagan

      Alaska Airlines
      American Airlines
      Envoy Air
      PSA Airlines
      Republic Airways

      Portland to Washington Ronald Reagan: Alternative routes

      Compare routes from Portland to Washington D.C. below. You may find an airport to fly into that's cheaper, faster, or easier than Washington Ronald Reagan.

      Washington Ronald Reagan

      5km from central Washington D.C.
      Closest
      from $337
      Search flights

      Washington Dulles

      37km from central Washington D.C.
      from $307
      Search flights

      Baltimore Washington International

      44km from central Washington D.C.
      Cheapest
      from $302
      Search flights

      Portland to Washington D.C.: Flight information

      The things to know before you go.
      Cheapest flight found$337
      Cheapest month to flySeptember
      Average flight time1 hr, 57 mins
      Most popular airlineAmerican Airlines
      Average flights per week51

      Finding cheap flights from Portland to Washington Ronald Reagan: Frequently asked questions

      The best price we found for a return flight from Portland to Washington Ronald Reagan is $337. 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.
      1 hour and 57 minutes is the average flight time from Portland to Washington Ronald Reagan.
      American Airlines, PSA Airlines and Republic Airways fly direct from Portland to Washington Ronald Reagan.
      As of August 2026, there are 51 flights per week flying from Portland to Washington Ronald Reagan.
      The cheapest month to fly from Portland to Washington Ronald Reagan is usually September.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Washington Ronald Reagan Airport on Friday, 11 September 2026.
      Yes – the average flight time is 1 hour and 57 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 Ronald Reagan 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.

      Currently, Delta offers the cheapest flight tickets to Washington Ronald Reagan.

      Flying from Portland Airport (PWM) to Washington Ronald Reagan Airport (DCA): what you need to know

      • The average time for a direct flight from Portland Airport to Washington Ronald Reagan Airport is 1 hour 55 minutes.

      • Portland and Washington DC share the UTC-5 timezone. This means you won't have to change your watch on arrival.

      • You can choose from 22 weekly Portland Airport to Washington Ronald Reagan Airport flights. The 05:14 departure with American Airlines is the earliest available. American Airlines operates the latest service of the day at 17:30.

      • Get to the airport on time so you don't miss your PWM to DCA flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.

      • Travelling during a peak time like public or school holidays? Expect longer queues at check-in and security. To give yourself peace of mind, arrive up to four hours before international flights and two hours before domestic departures.

      • Jetting into Washington DC (and then discovering more of the United States!) is easy with American Airlines. This popular carrier offers direct flights from Portland Airport to Washington Ronald Reagan Airport.

      • The airline with the highest number of bookings on this route is American Airlines.

      • With 77.4% of services arriving as planned, American Airlines is the most punctual carrier offering PWM to DCA flights.

      • If you want to break up your flight, simply deselect 'Direct flights only' when searching for your ticket from Portland Airport to Washington Ronald Reagan Airport. Here are the top stopovers between PWM and DCA:

        • New York Newark Airport

        • New York LaGuardia Airport

        • Philadelphia International Airport

      How to find the cheapest flights from Portland Airport (PWM) to Washington Ronald Reagan Airport (DCA)

      • The lowest price we've seen for a one-way Portland Airport to Washington Ronald Reagan Airport flight is $170. A round-trip plane ticket is currently $337. Depending on the availability and when you book, these fares could change.

      • Get cheap tickets from PWM to DCA by booking three months ahead. According to our research, that's the sweet spot for finding a bargain.

      • The cheapest month for flights from Portland Airport to Washington Ronald Reagan Airport is August. Use the 'Whole month' tool to see the lowest prices if you have flexible travel dates.

      • Landing cheap flights from PWM to DCA is a cinch with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know as soon as a new deal comes up.

      • Choose your ideal departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from Portland Airport to Washington Ronald Reagan Airport.

      Handy information about Portland Airport (PWM)

      • The address for PWM is 1001 Westbrook Street.

      • 79% of flights taking off from Portland Airport arrive at their destination on time.

      • Portland Airport is about 8 kilometres from central Portland. If you're driving, ride-sharing or catching a taxi from the centre, it'll take you 15 minutes or so to arrive, depending on the traffic.

      • The journey when using public transport will take about 30 minutes.

      • Taking an early flight from Portland Airport to Washington Ronald Reagan Airport? Avoid the stress of rushing to the terminal (and sneak in some extra precious sleep) by choosing one of these stays near PWM:

      Arriving at Washington Ronald Reagan Airport (DCA)

      When to fly to Washington Ronald Reagan Airport (DCA)

      • The quietest month for a flight from Portland Airport to Washington Ronald Reagan Airport is March, while August is the busiest. Pick the best time to go to Washington DC based on whether you prefer a faster pace or a more relaxed vibe.

      • Book your flight from Portland Airport to Washington Ronald Reagan Airport for July if you want to visit Washington DC during its warmest month. Expect temperatures of between 19ºC (66ºF) and 33ºC (91ºF).

      • January has average temperatures of between -6ºC (21ºF) and 10ºC (50ºF). Search for cheap tickets from PWM to DCA sometime around then if you want to travel in cooler conditions.

      Explore more of the United States

      • New York is just one of the many cities in the United States waiting to be explored once you've taken in the sights of Washington DC. Around 322 kilometres away to the north-east, its best attractions include Central Park, Statue of Liberty and Metropolitan Museum of Art.

      • If you want to check out another major stop in the United States, head for Philadelphia, about 193 kilometres north-east of Washington DC. Independence Hall, Liberty Bell and Philadelphia Museum of Art are the start of reasons to visit.

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