When is the cheapest time of year to fly from Portland to Washington?

Based on statistics over the past years, the lowest prices for flights from Portland to Washington can be found flying in these months: .

Cheap Flights from Portland to Washington

Cheapest flights from Portland to Washington

Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Portland to Washington. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Cheapest one way flight

$153

American Airlines

1 transfer

6h 9m

12/07/2025

The cheapest one-way flight from Portland to Washington departs on 12/07/2025, is operated by American Airlines and costs $153

Cheapest round trip flight

$353

Southwest Airlines

Direct flight

9h 3m

04/16/2026

The cheapest roundtrip flight from Portland to Washington departs on 04/16/2026, is operated by Southwest Airlines and costs $353

The fastest flight

1h 44m

Fastest flight from Portland to Washington takes 1h 44m

Direct flights

Once a week

There are direct flights on this route 1 day a week: Th

Earliest flight

5:34 AM

Latest flight

5:18 PM

Direct flights count

24

Distance

770km

Timezone difference

0h

The distance between Portland and Washington is 770km (477 miles). There are 24 direct flights from Portland to Washington. Portland and Washington are in the same time zone. Flights from Portland begin at 5:34 AM. The latest flight from Portland departs at 5:18 PM

Remember that on average the ideal time to book flights is 2 months before departure!

Airfare from Portland to Washington by month

We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from Portland to Washington

Avg Price

Airlines operating on route

Flights from Portland to Washington are operated by several airlines — United Airlines and American Airlines. This allows passengers to flexibly choose flights based on departure time, cost, and additional services. The minimum ticket price starts at $153, making this destination accessible to travelers with different budgets. We help compare all available options in real time, so you can book tickets at the best value for money. The service ensures transparent search and lets you book affordable flights in just a few clicks.

United Airlines

Starting at $268

American Airlines

Starting at $153

Direct Flights from Portland to Washington

A direct flight is the most convenient and comfortable way to fly from Portland to Washington, despite the fact that sometimes flights with transfers can cost significantly less.

Portland — Washington

PWM — WAS

12/07/2025

Departure

Direct flight

UA4173

Starting at $357

Portland — Washington

PWM — WAS

10/15/2026

Departure

Direct flight

UA6210

Starting at $268

Schedule of direct flights from Portland to Washington

A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Portland to Washington:

Unable to find information about the schedule of direct flights from

Portland airports overview

Portland International Jetport

•

PWM

•

Washington airports overview

Ronald Reagan National Airport

•

DCA

5km

Washington Dulles International Airport

•

IAD

37km

•

Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

How much is the cheapest flight ticket from Portland to Washington?

The cheapest flight ticket from Portland to Washington according to data for the last 48 hours costs $153

When is the best time to buy air tickets on the route Portland — Washington?

Often the best time to buy tickets from Portland to Washington is 2 months before departure.

How long does it take to fly from Portland to Washington?

The fastest flights from Portland to Washington start from 1 hour 44 minutes in the air.

Which airline can fly direct from Portland to Washington?

The following airlines operate direct flights on the route Portland — Washington: United Airlines

Special offers and sales on air tickets from Portland to Washington

We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.

We couldn't find any special offers for flights from Portland to Washington

Alternative routes

Boston ➜ Washington•New Bedford ➜ Washington•Manchester ➜ Washington•Providence ➜ Washington•Montreal ➜ Washington•Portland ➜ Baltimore•Portland ➜ Charlottesville•Portland ➜ Hagerstown•Portland ➜ Lancaster•Portland ➜ Philadelphia•Portland ➜ Richmond

•••••••••••••••••••

Cheapest one way flight

$153

American Airlines

1 transfer

6h 9m

12/07/2025

The cheapest one-way flight from Portland to Washington departs on 12/07/2025, is operated by American Airlines and costs $153

Cheapest round trip flight

$353

Southwest Airlines

Direct flight

9h 3m

04/16/2026

The cheapest roundtrip flight from Portland to Washington departs on 04/16/2026, is operated by Southwest Airlines and costs $353

The fastest flight