Cheap flights from Portland to Washington Ronald Reagan

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

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Flight deals from Portland to Washington Ronald Reagan

Looking for a cheap last-minute deal or the best round-trip flight from Portland Airport to Washington Ronald Reagan Airport? If you want to travel next month, round-trip fares start from $229. Find the lowest prices on one-way and round-trip tickets right here.

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 May.

Direct flights from Portland to Washington Ronald Reagan

Portland to Washington, D.C.: Flight information

The things to know before you go.
Cheapest flight found$215
Cheapest month to flyMay
Average flight time5 hrs, 8 mins
Most popular airlineAlaska Airlines
Average flights per week11

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

The best price we found for a round-trip flight from Portland to Washington Ronald Reagan is $215. 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 8 minutes is the average flight time from Portland to Washington Ronald Reagan.
Alaska Airlines flies direct from Portland to Washington Ronald Reagan.
There are 11 flights per week flying from Portland to Washington Ronald Reagan, as of May 2026.
The cheapest month to fly from Portland to Washington Ronald Reagan is usually May.
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 Thursday, May 21, 2026.
Yes – the average flight time is 5 hours and 8 minutes.
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, Frontier Airlines and Alaska Airlines offer the cheapest flight tickets to Washington Ronald Reagan.

Flying from Portland International Airport (PDX) to Ronald Reagan National Airport (DCA): what you need to know

  • Take a direct flight from Portland International Airport to Ronald Reagan National Airport and you'll be in the air for an average of 5 hours.

  • The timezone in Washington DC is UTC-4, which is three hours ahead of Portland.

  • Each week, there are seven Portland International Airport to Ronald Reagan National Airport flights. If you want to take off as early as possible, pick the 09:27 Alaska Airlines flight. If you're eager to make the most of your time before you fly, the latest flight is at 09:50 with Alaska Airlines.

  • Give yourself plenty of time to catch your PDX to DCA flight. As a general rule, turn up two hours before international departures and an hour ahead for domestic flights.

  • You'll likely experience longer queues in popular months such as July. Arriving up to four hours ahead of international flights and two hours for a domestic departure will help ensure a smooth travel experience.

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

  • The majority of passengers choose to fly with Alaska Airlines on this route.

  • Alaska Airlines is the most punctual carrier offering PDX to DCA flights. An impressive 80.0% of its services on this route arrive without delay.

  • We make it easy to book a flight with a stopover. To see all your options for tickets from Portland International Airport to Ronald Reagan National Airport, deselect 'Direct flights only.' Then, pick a flight with a stop long enough to tour the city of your choice. Worthwhile stopovers between PDX and DCA include:

    • Chicago Midway International Airport

    • Des Moines International Airport

    • John Glenn Columbus International Airport

How to find the cheapest flights from Portland International Airport (PDX) to Ronald Reagan National Airport (DCA)

  • At the moment, $85 is the lowest price we've found for a one-way Portland International Airport to Ronald Reagan National Airport flight. The best price for a return ticket is $215. Keep in mind that fares could change due to demand when booking.

  • Book six months before you travel. After crunching the numbers on our calendar, this is how far you should book ahead to find cheap tickets from PDX to DCA.

  • Schedule your trip for May. That's the cheapest month for flights from Portland International Airport to Ronald Reagan National Airport. If your travel dates are flexible, use the 'Whole month' tool to see the lowest price across every month.

  • Never miss a deal on cheap flights from PDX to DCA by creating a Price Alert. We'll send you an email or push notification on the app when fares go down.

  • Tailor your trip with filters. Pick your ideal arrival and departure times, total journey duration and airlines. You can also sort results by 'Fastest,' 'Cheapest' or 'Best' flights from Portland International Airport to Ronald Reagan National Airport.

Handy information about Portland International Airport (PDX)

  • PDX's address is 7000 NE Airport Way.

  • Portland International Airport earns top marks for on-time performance. 83.65% of flights that depart PDX arrive at their destination as scheduled.

  • Central Portland to Portland International Airport is around 19 kilometers. Depending on traffic, it'll take you about 20 minutes to get there if you're ride-sharing, catching a cab or driving.

  • Expect a trip time of around 45 minutes when using public transport.

  • Get your vacation off to a hassle-free start by staying near PDX. Whether you have an early flight from Portland International Airport to Ronald Reagan National Airport or just don't want to be rushed, these stays are ideal:

Arriving at Ronald Reagan National Airport (DCA)

Getting from Ronald Reagan National Airport (DCA) to central Washington DC

  • You'll find DCA at 1 Aviation Circle.

  • Ronald Reagan National Airport is roughly 8 kilometers from the center of Washington DC. The drive time takes around 15 minutes.

  • It typically takes 45 minutes if you're traveling by public transport.

When to fly to Ronald Reagan National Airport (DCA)

  • February is the busiest month for flights from Portland International Airport to Ronald Reagan National Airport. For a quieter experience, go to Washington DC in May.

  • Lock in your flight from Portland International Airport to Ronald Reagan National Airport for July if you'd like to visit Washington DC during its warmest month. You can expect temperatures of between 19ºC (66ºF) and 33ºC (91ºF).

  • January sees average temperatures of between -6ºC (21ºF) and 10ºC (50ºF). Search for cheap tickets from PDX to DCA around that time if you'd rather travel in cooler conditions.

Explore more of United States

  • Washington DC has plenty to offer, but there are so many other corners of United States waiting to be discovered. Around 322 kilometers north-east of Washington DC, a visit to New York will keep you on the go. Start with attractions like Statue of Liberty, Central Park and Empire State Building.

  • If you're eager to discover another great destination in United States, head for Philadelphia, roughly 193 kilometers 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.