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Cheap flights from Seattle to Washington

56 nonstop flights a week, 8 of them today. Operated by 3 airlines, about 5h in the air, 2,322 mi (3,737 km). Tickets from $144, nonstop from $167.

Flights from Seattle 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.

Prices by day: Seattle to Washington

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 Seattle 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 $144 12 December 2026, with a connection Cheapest nonstop $167 12 December 2026, Alaska Airlines Cheapest in the next 7 days $292 15 November, Sun Cheapest weekend departure $144 Sat, 12 December 2026 Cheapest month December 2026 tickets from $144

Seattle to Washington at a glance

flight time, from 4h 45m to 13h 21m
5h
straight-line distance
2,322 mi (3,737 km)
flights a week
56
flights today
8
first and last departure
07:20 - 16:30
lowest price, with a connection, 12 December
$144
lowest nonstop price
$167
airlines
3

Seattle to Washington ticket prices by month

Lowest one-way fare found by recent searches

Cheapest month: December 2026, tickets from $144. Prices come from searches over the last few days; check the search for your exact date.

The most expensive month is November 2026: from $292. The average across months is $218.

Seattle to Washington flight schedule

56 flights a week, 8 today, 26 seasonal or one-off. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
DL 786
Delta
07:20 Seattle-Tacoma International
15:13 Ronald Reagan National, terminal 2
4h 53m
Daily
Airbus A320
AS 4
Alaska Airlines
08:00 Seattle-Tacoma International
16:20 Ronald Reagan National, terminal 2
5h 20m
Daily
Boeing 737
AS 737
Alaska Airlines
08:07 Seattle-Tacoma International
16:14 Washington Dulles International
5h 7m
Daily
Boeing 737-800
UA 672
United Airlines
08:09 Seattle-Tacoma International
16:08 Washington Dulles International
4h 59m
Daily
Boeing 737
AS 737
Alaska Airlines
08:15 Seattle-Tacoma International
16:13 Washington Dulles International
4h 58m
Mon, Fri, Sat, Sun
Boeing 737-800
AS 378
Alaska Airlines
09:08 Seattle-Tacoma International
17:12 Baltimore/Wash International Thurgood Marshall
5h 4m
Daily
Boeing 737-900
AS 378
Alaska Airlines
09:37 Seattle-Tacoma International
17:36 Baltimore/Wash International Thurgood Marshall
4h 59m
Mon, Fri, Sat, Sun
Boeing 737
UA 747
United Airlines
10:50 Seattle-Tacoma International
21:42 Baltimore/Wash International Thurgood Marshall
7h 52m
Daily
Boeing 737-800
DL 541
Delta
11:55 Seattle-Tacoma International
19:54 Washington Dulles International
4h 59m
Sat
Airbus A220-300
AS 2
Alaska Airlines
13:57 Seattle-Tacoma International
21:59 Ronald Reagan National, terminal 2
5h 2m
Daily
Boeing 737-800
AS 2
Alaska Airlines
14:00 Seattle-Tacoma International
21:59 Ronald Reagan National, terminal 2
4h 59m
Mon, Fri, Sat, Sun
Boeing 737-800
DL 541
Delta
16:30 Seattle-Tacoma International
00:20 Washington Dulles International
4h 50m
Mon, Tue, Wed, Thu, Fri, Sun
Airbus A220-300

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 1 December.

FlightDepartsArrivesDurationDaysAircraft
UA 1686
United Airlines
05:05 Seattle-Tacoma International
21:09 Washington Dulles International
13h 4m
Seasonal
Airbus A320
UA 1348
United Airlines
08:09 Seattle-Tacoma International
16:08 Washington Dulles International
4h 59m
Seasonal
Boeing 737
AS 378
Alaska Airlines
09:05 Seattle-Tacoma International
17:00 Baltimore/Wash International Thurgood Marshall
4h 55m
Seasonal
Boeing 737
AS 2
Alaska Airlines
14:02 Seattle-Tacoma International
21:59 Ronald Reagan National, terminal 2
4h 57m
Seasonal
Boeing 737-800
UA 2601
United Airlines
05:00 Seattle-Tacoma International
18:55 Washington Dulles International
10h 55m
Seasonal
Airbus A320
AS 737
Alaska Airlines
08:30 Seattle-Tacoma International
16:28 Washington Dulles International
4h 58m
Seasonal
Boeing 737-900
AS 378
Alaska Airlines
09:45 Seattle-Tacoma International
17:45 Baltimore/Wash International Thurgood Marshall
5h
Seasonal
Boeing 737-900
UA 689
United Airlines
13:12 Seattle-Tacoma International
21:13 Washington Dulles International
5h 1m
Seasonal
Boeing 737-900
AS 2
Alaska Airlines
13:59 Seattle-Tacoma International
21:59 Ronald Reagan National, terminal 2
5h
Seasonal
Boeing 737-800
DL 786
Delta
07:55 Seattle-Tacoma International
15:40 Ronald Reagan National, terminal 2
4h 45m
Seasonal
Airbus A320
DL 541
Delta
15:53 Seattle-Tacoma International
23:53 Washington Dulles International
5h
Seasonal
Airbus A220-300
DL 786
Delta
08:15 Seattle-Tacoma International
16:00 Ronald Reagan National, terminal 2
4h 45m
Seasonal
Airbus A320
DL 786
Delta
07:23 Seattle-Tacoma International
15:34 Ronald Reagan National, terminal 2
5h 11m
Seasonal
Airbus A320
DL 541
Delta
15:55 Seattle-Tacoma International
23:51 Washington Dulles International
4h 56m
Seasonal
Airbus A220-300
UA 1686
United Airlines
05:00 Seattle-Tacoma International
21:21 Washington Dulles International
13h 21m
Seasonal
Airbus A320
UA 1523
United Airlines
08:08 Seattle-Tacoma International
16:09 Washington Dulles International
5h 1m
Seasonal
Boeing 737
AS 378
Alaska Airlines
09:20 Seattle-Tacoma International
17:17 Baltimore/Wash International Thurgood Marshall
4h 57m
Seasonal
Boeing 737-900
UA 1686
United Airlines
05:07 Seattle-Tacoma International
21:28 Washington Dulles International
13h 21m
Seasonal
Boeing 737
UA 1400
United Airlines
08:00 Seattle-Tacoma International
15:53 Washington Dulles International
4h 53m
Seasonal
Boeing 737-900
AS 706
Alaska Airlines
08:25 Seattle-Tacoma International
16:26 Washington Dulles International
5h 1m
Seasonal
Boeing 737-900
AS 379
Alaska Airlines
09:08 Seattle-Tacoma International
17:11 Baltimore/Wash International Thurgood Marshall
5h 3m
Seasonal
Boeing 737-900
UA 677
United Airlines
17:30 Seattle-Tacoma International
06:52 Baltimore/Wash International Thurgood Marshall
10h 22m
Seasonal
Boeing 737
AS 1614
Alaska Airlines
21:30 Seattle-Tacoma International
05:31 Washington Dulles International
5h 1m
Seasonal
Boeing 737-900
AS 1555
Alaska Airlines
15:35 Seattle-Tacoma International
23:36 Washington Dulles International
5h 1m
Seasonal
Boeing 737-900
AS 1783
Alaska Airlines
21:30 Seattle-Tacoma International
05:33 Baltimore/Wash International Thurgood Marshall
5h 3m
Seasonal
Boeing 737-900
UA 689
United Airlines
13:00 Seattle-Tacoma International
20:53 Washington Dulles International
4h 53m
Seasonal
Boeing 737-900

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

Airlines flying Seattle to Washington

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

Alaska Airlines28 a week United Airlines14 a week Delta14 a week

Airports

Where flights from Seattle to Washington depart and land

Departure from Seattle

Seattle-Tacoma International SEA

56 flights a week, 11 mi (18 km) from the city centre

About the airport

Arrival in Washington

Washington Dulles International IAD

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

About the airport
Ronald Reagan National closest to the centreDCA

21 flights a week, terminal 2, 3 mi (5 km) from the city centre

About the airport
Baltimore/Wash International Thurgood Marshall BWI

14 flights a week, 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 Seattle to Washington?
A nonstop flight takes 5 hours on average, from 4h 45m to 13h 21m depending on the flight.
How far is Washington from Seattle?
2,322 mi (3,737 km) in a straight line between the cities.
Which airlines fly nonstop from Seattle to Washington?
Alaska Airlines (28 a week), United Airlines (14 a week) and Delta (14 a week).
How many flights a day are there from Seattle to Washington?
8 flights today and 56 a week, about 8 a day on average.
When are the first and last flights from Seattle to Washington?
The first departure is at 07:20 (DL786), the last at 16:30 (DL541). Local time.
What is the cheapest month to fly from Seattle to Washington?
December 2026: tickets from $144. The most expensive is November 2026, from $292.
What is the cheapest upcoming date to fly from Seattle to Washington?
12 December 2026 (Saturday): from $144 one way, with a connection, by recent searches. The search shows the price for your dates.
Which airline is the cheapest from Seattle to Washington?
Alaska Airlines: nonstop tickets from $167 on 12 December by recent searches. Prices change daily, so compare the sellers in the search.
What is the time difference between Seattle and Washington?
Washington is 3 hours ahead of Seattle. Schedule times on this page are local to each airport.
Which Seattle airport do flights to Washington leave from?
Seattle-Tacoma International (56 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).