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Cheap flights from Washington to Portland

26 nonstop flights a week, 3 of them today. Operated by 3 airlines, about 5h 45m in the air, 2,348 mi (3,778 km). Tickets from $205, nonstop from $369.

Flights from Washington to Portland

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.

Prices by day: Washington to Portland

Lowest one-way price in dollars from recent searches, cheap days in green. Press a day to see flights and exact prices.

Filters

Best fares from Washington to Portland

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

Cheapest one-way $205 14 November 2026, with a connection Cheapest nonstop $369 14 November 2026, Alaska Airlines Cheapest in the next 7 days $205 14 November, Sat Cheapest weekend departure $205 Sat, 14 November 2026 Cheapest month November 2026 tickets from $205

Washington to Portland at a glance

flight time, from 4h 50m to 11h 20m
5h 45m
straight-line distance
2,348 mi (3,778 km)
flights a week
26
flights today
3
first and last departure
10:40 - 17:20
lowest price, with a connection, 14 November
$205
lowest nonstop price
$369
airlines
3

Washington to Portland flight schedule

26 flights a week, 3 today, 14 seasonal or one-off. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
WN 162
Southwest Airlines
10:40 Ronald Reagan National, terminal 1
19:30 Portland International
10h 50m
Sat
WN 1924
Southwest Airlines
13:35 Ronald Reagan National, terminal 1
20:45 Portland International
9h 10m
Mon, Thu, Fri, Sun
Boeing 737-800
UA 1786
United Airlines
15:15 Washington Dulles International
22:27 Portland International
10h 12m
Wed
Boeing 757-200
UA 1786
United Airlines
15:37 Washington Dulles International
22:27 Portland International
9h 50m
Mon, Tue, Thu, Fri, Sat, Sun
Boeing 737
AS 9
Alaska Airlines
17:15 Ronald Reagan National, terminal 2
20:13 Portland International
4h 58m
Mon, Fri, Sat, Sun
Boeing 737-800
UA 780
United Airlines
17:19 Washington Dulles International
20:15 Portland International
5h 56m
Daily
Boeing 737
AS 9
Alaska Airlines
17:20 Ronald Reagan National, terminal 2
20:16 Portland International
4h 56m
Daily
Boeing 737

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 17 December.

FlightDepartsArrivesDurationDaysAircraft
UA 743
United Airlines
17:33 Washington Dulles International
20:37 Portland International
5h 4m
Seasonal
Boeing 737
AS 9
Alaska Airlines
17:05 Ronald Reagan National, terminal 2
20:08 Portland International
5h 3m
Seasonal
Boeing 737-800
WN 806
Southwest Airlines
06:10 Ronald Reagan National, terminal 1
13:35 Portland International
9h 25m
Seasonal
Boeing 737
AS 9
Alaska Airlines
17:08 Ronald Reagan National, terminal 2
19:58 Portland International
4h 50m
Seasonal
Boeing 737-800
UA 721
United Airlines
17:30 Washington Dulles International
20:25 Portland International
4h 55m
Seasonal
Boeing 737-800
WN 206
Southwest Airlines
06:15 Baltimore/Wash International Thurgood Marshall
15:35 Portland International
11h 20m
Seasonal
WN 2615
Southwest Airlines
09:00 Ronald Reagan National, terminal 1
13:25 Portland International
6h 25m
Seasonal
Boeing 737
UA 1694
United Airlines
17:30 Washington Dulles International
20:25 Portland International
5h 55m
Seasonal
Boeing 737-800
WN 981
Southwest Airlines
07:30 Baltimore/Wash International Thurgood Marshall
12:50 Portland International
8h 20m
Seasonal
Boeing 737
AS 1527
Alaska Airlines
16:17 Baltimore/Wash International Thurgood Marshall
19:02 Portland International
5h 45m
Seasonal
Boeing 737-900
WN 2241
Southwest Airlines
18:25 Baltimore/Wash International Thurgood Marshall
21:00 Portland International
5h 35m
Seasonal
Boeing 737
WN 754
Southwest Airlines
10:20 Baltimore/Wash International Thurgood Marshall
12:50 Portland International
5h 30m
Seasonal
Boeing 737
WN 2241
Southwest Airlines
17:55 Baltimore/Wash International Thurgood Marshall
20:30 Portland International
5h 35m
Seasonal
Boeing 737
WN 1666
Southwest Airlines
10:30 Baltimore/Wash International Thurgood Marshall
13:00 Portland International
5h 30m
Seasonal
Boeing 737

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

Airlines flying Washington to Portland

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

United Airlines14 a week Alaska Airlines7 a week Southwest Airlines5 a week

Airports

Where flights from Washington to Portland depart and land

Departure from Washington

Washington Dulles International IAD

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

About the airport
Ronald Reagan National closest to the centreDCA

12 flights a week, terminals 1, 2, 3 mi (5 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

Arrival in Portland

Portland International PDX

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

About the airport

Frequently asked questions

How long is the flight from Washington to Portland?
A nonstop flight takes 5 hours 45 minutes on average, from 4h 50m to 11h 20m depending on the flight.
How far is Portland from Washington?
2,348 mi (3,778 km) in a straight line between the cities.
Which airlines fly nonstop from Washington to Portland?
United Airlines (14 a week), Alaska Airlines (7 a week) and Southwest Airlines (5 a week).
How many flights a day are there from Washington to Portland?
3 flights today and 26 a week, about 3.7 a day on average.
When are the first and last flights from Washington to Portland?
The first departure is at 10:40 (WN162), the last at 17:20 (AS9). Local time.
What is the cheapest upcoming date to fly from Washington to Portland?
14 November 2026 (Saturday): from $205 one way, with a connection, by recent searches. The search shows the price for your dates.
Which airline is the cheapest from Washington to Portland?
Alaska Airlines: nonstop tickets from $369 on 14 November by recent searches. Prices change daily, so compare the sellers in the search.
What is the time difference between Washington and Portland?
Portland is 3 hours behind Washington. Schedule times on this page are local to each airport.
Which Washington airport do flights to Portland leave from?
Washington Dulles International (14 a week), Ronald Reagan National (12 a week) and Baltimore/Wash International Thurgood Marshall.