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Southwest Airlines flights from Washington to Seattle

Southwest Airlines flies Washington to Seattle nonstop 2 times a week, departures from 06:15 to 08:25, 5h 55m in the air. Tickets from $259 (the route's cheapest fare is $175).

Flights from Washington to Seattle

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Prices by day: Washington to Seattle

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

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Southwest Airlines on Washington to Seattle at a glance

flights a week
2
days of operation
Sat
first and last departure
06:15 - 08:25
flight time
5h 55m - 10h 40m
aircraft
Boeing 737, Boeing 737-800
cheapest fare, 14 November
$259
cheapest fare on the route
$175

Southwest Airlines Washington to Seattle schedule

2 flights a week. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
WN 547
Southwest Airlines
06:15 Baltimore/Wash International Thurgood Marshall
12:55 Seattle-Tacoma International
9h 40m
Sat
Boeing 737
WN 296
Southwest Airlines
08:25 Baltimore/Wash International Thurgood Marshall
16:05 Seattle-Tacoma International
10h 40m
Sat

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 15 January.

FlightDepartsArrivesDurationDaysAircraft
WN 174
Southwest Airlines
10:40 Baltimore/Wash International Thurgood Marshall
16:45 Seattle-Tacoma International
9h 5m
Seasonal
WN 1030
Southwest Airlines
14:10 Baltimore/Wash International Thurgood Marshall
20:05 Seattle-Tacoma International
8h 55m
Seasonal
Boeing 737-800
WN 948
Southwest Airlines
08:45 Baltimore/Wash International Thurgood Marshall
13:20 Seattle-Tacoma International
7h 35m
Seasonal
WN 1628
Southwest Airlines
13:20 Baltimore/Wash International Thurgood Marshall
16:15 Seattle-Tacoma International
5h 55m
Seasonal
Boeing 737
WN 697
Southwest Airlines
11:05 Baltimore/Wash International Thurgood Marshall
14:00 Seattle-Tacoma International
5h 55m
Seasonal
Boeing 737
WN 1628
Southwest Airlines
15:10 Baltimore/Wash International Thurgood Marshall
18:05 Seattle-Tacoma International
5h 55m
Seasonal
Boeing 737
WN 1628
Southwest Airlines
10:40 Baltimore/Wash International Thurgood Marshall
13:35 Seattle-Tacoma International
5h 55m
Seasonal
Boeing 737

Days of the week are taken from the schedule for the next 14 days; schedules change by season. Seattle is 3 hours behind Washington.

Other airlines flying Washington to Seattle

Nonstop flights by the current schedule

Alaska Airlines Delta United Airlines All flights Washington to Seattle

Frequently asked questions

How many Southwest Airlines flights are there from Washington to Seattle?
2 nonstop flights a week, 7 flight numbers in the schedule: Sat.
How long is the Southwest Airlines flight from Washington to Seattle?
From 5 hours 55 minutes to 10 hours 40 minutes nonstop, depending on the flight.
Which aircraft does Southwest Airlines fly from Washington to Seattle?
Boeing 737 and Boeing 737-800.
How much is a Southwest Airlines ticket from Washington to Seattle?
The cheapest Southwest Airlines nonstop fare found recently is $259 for 14 November; the cheapest fare on the route with any airline is $175. The search shows the price for your date.