⚡ Fare recorded April 25, 2026 · Prices change daily

Portland to Washington flights

Portland (PDX) to Washington (WAS): 2,322 miles (3,736 km) great-circle, about 5h 10m nonstop by our estimate. Cheapest fare observed: $503 round-trip on Alaska Airlines, with 1 stop, departing May 20, 2026.

ASAlaska AirlinesAS499
Depart
PDX
Portland, USA
05:00
2026-05-20
✈
Arrive
WAS
Washington, United States
Returns 21:40
2026-05-21
Stops
1 stop
Distance
2,322 mi
Est. nonstop time
5h 10m
Trip type
Round-trip
$503
Round-trip · per person
Book this flight →
Also compare on Aviasales →
About this flight

When did the cheapest Portland to Washington fare fly?

$503 round-trip, Alaska Airlines AS499, departing 2026-05-20 at 05:00, returning 2026-05-21. The recorded itinerary left on a Wednesday, returning on a Thursday 1 night later; the fare was observed 25 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.

Route facts

How far is Portland from Washington?

  • Distance: 2,322 miles (3,736 km) great-circle, heading east (measured to Washington Dulles International Airport, IAD).
  • Estimated nonstop flight time: about 5h 10m.
  • Departure airport: Portland International Airport (PDX), Portland, United States, UTC-7 on May 20, 2026.
  • Arrival: Washington (WAS, all airports), United States, UTC-4 on May 20, 2026.
  • Time difference: Washington is 3 hours ahead of Portland on the recorded date.
  • Route type: domestic, within United States.
  • Recorded itinerary: Alaska Airlines AS499, 1 stop, round-trip, 1 days between departure and return.
Fare comparison

How does the Portland to Washington fare compare with other routes from PDX?

At $503, it ranked 20th of the 30 round-trip fares we recorded from PDX (median $378). That is 21.7 cents per great-circle mile (round-trip price over one-way distance), close to the PDX median of 21.2 cents across 30 round-trip routes.

Routes from PDX of similar length: Montreal (2,327 mi) at $655 and Charlotte (2,277 mi) at $518.

Alaska Airlines had the cheapest fare on 13 of 30 PDX routes. It is the 16th longest of the 30 routes we track from PDX.

Other ways in

What did other cities pay to fly to Washington?

Of 19 departure airports with a fare to Washington, Portland (PDX) ranked 18th at $503. Lowest: $87 from Atlanta (ATL); highest: $572 from Los Angeles (LAX); 6 nonstop. Cheapest-fare airlines (routes): Frontier (10), United Airlines (3), American Airlines (2), Alaska Airlines (1), Copa (1) and Southwest (1), plus 1 more.

Sources

Where do these numbers come from?

Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Los_Angeles, America/New_York; flight time is our estimate.

FAQ

Portland to Washington flight questions

How far is Portland from Washington by plane?

+
Portland is about 2,322 miles (3,736 km) from Washington on a great-circle line from Portland International Airport (PDX) to Washington Dulles International Airport (IAD), heading east. WAS is the city code that covers every commercial airport in Washington; distances on this page are measured to Washington Dulles International Airport (IAD). It is the 16th longest of the 30 routes we track from PDX. The recorded itinerary had 1 stop, so the distance flown was longer.

How long is the flight from Portland to Washington?

+
About 5h 10m nonstop by our estimate for 2,322 miles (500 mph cruise plus 30 minutes, not a timetable). The recorded Alaska Airlines fare was with 1 stop. 19 airports in our feed had a fare to Washington; this one ranked 18th, and 6 of the 19 were nonstop.

What is the time difference between Portland and Washington?

+
On May 20, 2026, Portland was on UTC-7 (America/Los_Angeles) and Washington on UTC-4 (America/New_York), so Washington was 3 hours ahead of Portland: noon in Portland was 15:00 in Washington. Both zones shift for daylight saving together, so the gap stays the same in January and July.

How much is a flight from Portland to Washington?

+
As observed on April 25, 2026: $503 per person round-trip on Alaska Airlines flight AS499, departing May 20, 2026, returning May 21, 2026, with 1 stop. At $503, it ranked 20th of the 30 round-trip fares we recorded from PDX (median $378). That is 21.7 cents per great-circle mile (round-trip price over one-way distance), close to the PDX median of 21.2 cents across 30 round-trip routes. Prices change daily, so check the live fare.

Is there a nonstop flight from Portland to Washington?

+
The cheapest recorded fare had 1 stop; our feed keeps only the cheapest fare per route, so a pricier nonstop may exist. Into Washington, 6 of the 19 recorded fares were nonstop. From PDX, 6 of 30 were. Routes from PDX of similar length: Montreal (2,327 mi) at $655 and Charlotte (2,277 mi) at $518.

Which airports serve flights from Portland to Washington?

+
It departs Portland International Airport (PDX) in Portland, United States, and arrives at Washington (WAS) in Washington, United States. WAS is the city code that covers every commercial airport in Washington; distances on this page are measured to Washington Dulles International Airport (IAD). A domestic United States flight.

Where else near Washington can you fly from Portland?

New York (NYC) $368Charlotte (CLT) $518Boston (BOS) $331Louisville (SDF) $335Indianapolis (IND) $387Montreal (YMQ) $655All flights from Portland →

Other cities with flights to Washington

From Atlanta (ATL) $87From Fort Lauderdale (FLL) $92From San Diego (SAN) $152From Orlando (MCO) $153From Las Vegas (LAS) $187From Tampa (TPA) $188

Ready to fly?

Book Alaska Airlines PDX → WAS · $503 →