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Cheap flight tickets 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.

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Flight deals from Portland to Washington D.C.

Looking for a cheap last-minute deal or the best return flight from Portland to Washington D.C.? Find the lowest prices on one-way and return tickets right here.
Washington D.C..RM764 per passenger.Departing Fri, 23 Jan, returning Sat, 24 Jan.Return flight with United.Outbound direct flight with United departs from Portland on Fri, 23 Jan, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Sat, 24 Jan, arriving in Portland.Price includes taxes and charges.From RM764, select.
Washington D.C..RM764 per passenger.Departing Sat, 4 Apr, returning Sun, 5 Apr.Return flight with United.Outbound direct flight with United departs from Portland on Sat, 4 Apr, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Sun, 5 Apr, arriving in Portland.Price includes taxes and charges.From RM764, select.
Washington D.C..RM803 per passenger.Departing Fri, 27 Feb, returning Sun, 1 Mar.Return flight with United.Outbound indirect flight with United, departs from Portland on Fri, 27 Feb, arriving in Washington Ronald Reagan.Inbound indirect flight with United, departs from Washington Dulles on Sun, 1 Mar, arriving in Portland.Price includes taxes and charges.From RM803, select.
Washington D.C..RM843 per passenger.Departing Thu, 28 May, returning Mon, 1 Jun.Return flight with United.Outbound indirect flight with United, departs from Portland on Thu, 28 May, arriving in Washington Ronald Reagan.Inbound indirect flight with United, departs from Washington Ronald Reagan on Mon, 1 Jun, arriving in Portland.Price includes taxes and charges.From RM843, select.
Washington D.C..RM843 per passenger.Departing Tue, 3 Mar, returning Sat, 7 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from Portland on Tue, 3 Mar, arriving in Washington Ronald Reagan.Inbound indirect flight with Delta, departs from Washington Ronald Reagan on Sat, 7 Mar, arriving in Portland.Price includes taxes and charges.From RM843, select.
Washington D.C..RM1,025 per passenger.Departing Thu, 8 Oct, returning Mon, 12 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Portland on Thu, 8 Oct, arriving in Washington Ronald Reagan.Inbound indirect flight with Delta, departs from Washington Ronald Reagan on Mon, 12 Oct, arriving in Portland.Price includes taxes and charges.From RM1,025, select.
Washington D.C..RM1,117 per passenger.Departing Thu, 12 Feb, returning Sat, 21 Feb.Return flight with Delta.Outbound indirect flight with Delta, departs from Portland on Thu, 12 Feb, arriving in Washington Ronald Reagan.Inbound indirect flight with Delta, departs from Washington Ronald Reagan on Sat, 21 Feb, arriving in Portland.Price includes taxes and charges.From RM1,117, select.
Washington D.C..RM1,192 per passenger.Departing Thu, 8 Oct, returning Mon, 12 Oct.Return flight with United.Outbound direct flight with United departs from Portland on Thu, 8 Oct, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Mon, 12 Oct, arriving in Portland.Price includes taxes and charges.From RM1,192, 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 January.
Dec
Find prices
Jan
from RM764
Feb
from RM1,117
Mar
from RM843
Apr
from RM764
May
Find prices
Jun
Find prices
Jul
from RM1,269
Aug
from RM1,540
Sep
from RM1,372
Oct
from RM1,025
Nov
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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 foundRM764
Cheapest month to flyJanuary
Average flight time1 hr, 54 mins
Most popular airlineAmerican Airlines
Average flights per week167

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 RM764. 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 53 minutes is the average flight time from Portland to Washington D.C..
American Airlines, Southwest Airlines and United fly direct from Portland to Washington D.C..
As of December 2025, there are 167 flights per week flying from Portland to Washington D.C..
The cheapest month to fly from Portland to Washington D.C. is usually January.
If you're flying from Portland Airport, the cheapest airport near Washington D.C. is Washington Dulles – which is 36.5 km away from the centre of Washington D.C.. We've found flights into this airport from RM764.
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 Friday, 23 January 2026.
Yes – the average flight time is 1 hour and 53 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 December, the average temperature is usually around 2°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, United offers the cheapest flight tickets to Washington D.C..

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

  • Expect to be in the air for 1 hour 45 minutes. That's the average time for a direct flight from Portland International Jetport Airport to Washington DC.

  • Washington DC and Portland (where Portland International Jetport Airport is located) share the UTC-4 timezone. That means there's no time difference to consider.

  • The most popular route is from Portland International Jetport Airport (PWM) to Ronald Reagan National Airport (DCA). Take your pick of 26 services every week between these two airports. If you'd like to get going as soon as possible, the earliest flight from PWM to DCA is the 05:14 American Airlines option. If you're planning to fly out later on, the last departure is at 17:30 with American Airlines.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This will give you enough time to catch your PWM to Washington DC flight.

  • Heading away during a peak period like a bank holiday? Expect longer queues at security and check-in. Give yourself extra leeway and arrive up to four hours before international flights and two hours before domestic departures.

  • You can fly nonstop from PWM to Washington DC. Pick from these arrival points when booking your Portland International Jetport Airport to Washington DC ticket:

    • Ronald Reagan National Airport (DCA)

    • Washington Dulles International Airport (IAD)

    • Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • You can choose from various airlines that offer direct flights from Portland International Jetport Airport to Washington DC, such as:

  • Located around 5 kilometres from the centre of Portland, PWM can be reached in about 15 minutes by car, depending on traffic. Travelling on public transport will take roughly 40 minutes.

  • In search of a hotel close to PWM? If you're catching an early flight from Portland International Jetport Airport to Washington DC, these accommodation options will put you moments from check-in:

  • 82.15% of flights leaving Portland International Jetport Airport touch down at their destination on schedule. Given its strong on-time performance, you're unlikely to face delays when setting off from PWM.

  • You'll find PWM at 1001 Westbrook Street.

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

  • RM567 is currently the best price for a one-way Portland International Jetport Airport to Washington DC flight. A return flight ticket starts from RM764. These fares may change based on demand and availability.

  • Book four months before travelling. Research on pricing trends suggests this is the ideal window for finding cheap flights from PWM to Washington DC.

  • August is the best month for nabbing an amazing deal on Portland International Jetport Airport to Washington DC tickets. If you need to travel at a different time of year, the 'Whole month' tool will give you the lowest prices for each month.

  • Snapping up a cheap flight from PWM to Washington DC is easy with Price Alerts. All you need to do is set up one of these automatic notifications and we'll get in touch when there's a better deal.

  • Choose your ideal arrival and departure times, number of stops and airlines with our filters. Then, sort the results for your flight from Portland International Jetport Airport to Washington DC by 'Fastest,' 'Cheapest' or 'Best.'

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 takes about 15 minutes to reach the centre driving.

  • It takes around 45 minutes when travelling by public transport.

  • If you're arriving on a late flight from Portland International Jetport Airport to Washington DC, few things beat the convenience of staying close to the terminal. Pick up your bags from the carousel and then be showered and sleeping soon after at one of these accommodation options near DCA:

  • Go where the road takes you with a Ronald Reagan National Airport rental car. Pick up a set of wheels from Thrifty, Sixt or Dollar and find adventure across Washington DC and beyond.

  • Reserving your ride from Ronald Reagan National Airport around four weeks before your flight from PWM to Washington DC can help you get the lowest rate.

  • You'll find DCA at 1 Aviation Circle.

Washington Dulles International Airport (IAD)

  • Once your flight from Portland International Jetport Airport to Washington DC has hit the tarmac, you can get to the city centre in around 50 minutes by car. Central Washington DC is roughly 56 kilometres from Washington Dulles International Airport (IAD).

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

  • Hang up the 'Do not disturb' sign and unwind at a hotel close to IAD. Here are a few options where you can check in after your PWM to Washington DC flight:

  • Dollar, Thrifty and Sixt make collecting a Washington Dulles International Airport rental car simple. These companies are located in or around the terminal and will get you on your way in no time.

  • Avoid paying more than you need to. Reserving your ride one week ahead of your arrival at IAD will save you money.

  • You can find Washington Dulles International Airport at 1 Saarinen Circle.

Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • Step off your flight from Portland International Jetport Airport to Washington DC and head for your hotel or start taking in the sights right away. Central Washington DC is around 48 kilometres from Baltimore/Wash International Thurgood Marshall Airport (BWI) and typically takes 50 minutes to reach driving.

  • Public transport will take you there in roughly 1 hour 30 minutes.

  • Reserve a hotel near BWI and go from the plane to your bed in a flash. Whether you're arriving on a late PWM to Washington DC flight or just want to keep your travel plans simple, these stays offer a quick route to a good night's sleep:

  • Start your trip without worrying about how to reach your next stop with a Baltimore/Wash International Thurgood Marshall Airport rental car. Find your perfect set of wheels with reliable companies here like Dollar, Thrifty and Budget.

  • If you're looking for a vehicle with specific features, book your ride from BWI around two weeks ahead of your flight from Portland International Jetport Airport to Washington DC. This gives you a better chance of getting your preferred car, on top of a better deal.

Best time to go to Washington DC

  • Carefully consider your travel dates before securing your flight from Portland International Jetport Airport to Washington DC. The city buzzes in peak season, but rates are usually higher and attractions can be crowded. Visit Washington DC in the low season if you like a more relaxed vibe.

  • Book a Portland International Jetport Airport to Washington DC flight ticket with a departure in July if you're eager to explore the city during its warmest month. Expect temperatures to range from 19ºC (66ºF) to 33ºC (91ºF).

  • Search for cheap tickets from PWM to Washington DC in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between -6ºC (21ºF) and 10ºC (50ºF) on average.

More about Washington DC

Explore more of United States

  • Washington DC has its own special appeal, but there are so many other corners of United States you'll want to see. Around 322 kilometres north-east of Washington DC, a visit to New York will keep your itinerary busy. Start with attractions like Statue of Liberty, Central Park and Empire State Building.

  • Philadelphia is another must-experience destination in United States and is around 193 kilometres north-east of Washington DC. No trip is complete without a visit to Liberty Bell, Independence Hall and Philadelphia Museum of Art.

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 45 days.