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Cheap flights from Portland to Washington

14 nonstop flights a week, 2 of them today. Operated by 3 airlines, about 5h 53m in the air, 2,348 mi (3,778 km). Tickets from $269, nonstop from $371.

Flights from Portland to Washington

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

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Best fares from Portland to Washington

Lowest one-way prices found by recent searches for the next 120 days; press a card to search that date

Cheapest one-way $269 20 November 2026, with a connection Cheapest nonstop $371 18 November 2026, Alaska Airlines Cheapest weekend departure $269 Fri, 20 November 2026 Cheapest month November 2026 tickets from $269

Portland to Washington at a glance

flight time, from 4h 52m to 15h 5m
5h 53m
straight-line distance
2,348 mi (3,778 km)
flights a week
14
flights today
2
first and last departure
08:06 - 08:30
lowest price, with a connection, 20 November
$269
lowest nonstop price
$371
airlines
3

Portland to Washington flight schedule

14 flights a week, 2 today, 14 seasonal or one-off. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
AS 10
Alaska Airlines
08:06 Portland International
16:00 Ronald Reagan National, terminal 2
5h 54m
Mon, Fri, Sat, Sun
Boeing 737-800
AS 10
Alaska Airlines
08:18 Portland International
16:11 Ronald Reagan National, terminal 2
5h 53m
Daily
Boeing 737
UA 2016
United Airlines
08:30 Portland International
16:22 Washington Dulles International
4h 52m
Daily
Boeing 737

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 24 November.

FlightDepartsArrivesDurationDaysAircraft
WN 212
Southwest Airlines
05:50 Portland International
22:55 Ronald Reagan National, terminal 1
15h 5m
Seasonal
WN 208
Southwest Airlines
13:45 Portland International
23:35 Ronald Reagan National, terminal 1
7h 50m
Seasonal
AS 10
Alaska Airlines
08:20 Portland International
16:10 Ronald Reagan National, terminal 2
5h 50m
Seasonal
Boeing 737-800
AS 10
Alaska Airlines
08:03 Portland International
16:00 Ronald Reagan National, terminal 2
5h 57m
Seasonal
Boeing 737-800
UA 793
United Airlines
23:42 Portland International
07:35 Washington Dulles International
5h 53m
Seasonal
Boeing 737
UA 1590
United Airlines
23:42 Portland International
07:35 Washington Dulles International
5h 53m
Selected dates
Boeing 737
AS 10
Alaska Airlines
08:04 Portland International
16:00 Ronald Reagan National, terminal 2
5h 56m
Seasonal
Boeing 737-800
AS 10
Alaska Airlines
08:00 Portland International
16:04 Ronald Reagan National, terminal 2
6h 4m
Seasonal
Boeing 737-800
UA 2812
United Airlines
08:46 Portland International
18:52 Ronald Reagan National, terminal 2
8h 6m
Seasonal
Boeing 737
UA 793
United Airlines
23:10 Portland International
06:58 Washington Dulles International
5h 48m
Seasonal
Boeing 737-800
UA 793
United Airlines
22:10 Portland International
06:58 Washington Dulles International
5h 48m
Seasonal
Boeing 737-800
AS 1528
Alaska Airlines
07:06 Portland International
15:17 Baltimore/Wash International Thurgood Marshall
5h 11m
Seasonal
Boeing 737-900
WN 3080
Southwest Airlines
21:45 Portland International
05:40 Baltimore/Wash International Thurgood Marshall
4h 55m
Seasonal
Boeing 737
WN 439
Southwest Airlines
21:45 Portland International
05:40 Baltimore/Wash International Thurgood Marshall
4h 55m
Seasonal
Boeing 737

Days of the week are taken from the schedule for the next 14 days; schedules change by season. Washington is 3 hours ahead of Portland. The search shows seat availability and the price for your date.

Airlines flying Portland to Washington

Flights a week by schedule and the cheapest nonstop fare of each airline found by recent searches

United Airlines7 a week Alaska Airlines7 a week Southwest Airlinesfrom 24 November

Airports

Where flights from Portland to Washington depart and land

Departure from Portland

Portland International PDX

14 flights a week, 7 mi (11 km) from the city centre

About the airport

Arrival in Washington

Ronald Reagan National closest to the centreDCA

7 flights a week, terminals 1, 2, 3 mi (5 km) from the city centre

About the airport
Washington Dulles International IAD

7 flights a week, 22 mi (36 km) from the city centre

About the airport
Baltimore/Wash International Thurgood Marshall BWI

28 mi (45 km) from the city centre

About the airport

When to visit Washington

Weather by month

Best time to visit: April, May, September and October, +20° to +26° by day. In November it is +14° by day and +4° at night, with 8 rainy days.

Jan
+6° −2° 8 days
Feb
+9° −1° 10 days
Mar
+15° +3° 8 days
Apr
+20° +8° 11 days
May
+24° +13° 12 days
Jun
+29° +18° 12 days
Jul
+31° +21° 16 days
Aug
+30° +20° 13 days
Sep
+26° +17° 11 days
Oct
+20° +10° 8 days
Nov
+14° +4° 8 days
Dec
+9° 0° 9 days

Daytime and night temperatures in °C, rainy days. Months with the most comfortable weather are in green. Long-term averages.

Frequently asked questions

How long is the flight from Portland to Washington?
A nonstop flight takes 5 hours 53 minutes on average, from 4h 52m to 15h 5m depending on the flight.
How far is Washington from Portland?
2,348 mi (3,778 km) in a straight line between the cities.
Which airlines fly nonstop from Portland to Washington?
United Airlines (7 a week), Alaska Airlines (7 a week) and Southwest Airlines.
How many flights a day are there from Portland to Washington?
2 flights today and 14 a week, about 2 a day on average.
When are the first and last flights from Portland to Washington?
The first departure is at 08:06 (AS10), the last at 08:30 (UA2016). Local time.
What is the cheapest upcoming date to fly from Portland to Washington?
20 November 2026 (Friday): from $269 one way, with a connection, by recent searches. The search shows the price for your dates.
Which airline is the cheapest from Portland to Washington?
Alaska Airlines: nonstop tickets from $371 on 18 November by recent searches. Prices change daily, so compare the sellers in the search.
What is the time difference between Portland and Washington?
Washington is 3 hours ahead of Portland. Schedule times on this page are local to each airport.
Which Portland airport do flights to Washington leave from?
Portland International (14 a week).
Which Washington airport is closest to the city centre?
Ronald Reagan National (DCA), 3 mi (5 km) from the city centre. Others: Washington Dulles International 22 mi (36 km) and Baltimore/Wash International Thurgood Marshall 28 mi (45 km).