SEA to DCA (Seattle to Washington) Flights

Last Minute Flights from SEA to DCA

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
SEAWashingtonMarch 22 to March 30$741
*Prices include taxes and fees

Cheapest SEA to DCA Flights

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
SEAWashingtonApril 29 to May 5$179
SEAWashingtonMarch 31 to April 20$194
SEAWashingtonApril 17 to April 25$199
SEAWashingtonApril 15 to April 20$220
SEAWashingtonApril 18 to April 20$230
*Prices include taxes and fees
SEA to DCA Flight Details
Origin airport
Seattle - Tacoma Intl.
Origin airport IATA code
SEA
Destination airport
Ronald Reagan Washington National
Destination airport IATA code
DCA
Distance
2322 mi

Frequently asked questions

What airlines fly direct from SEA to Ronald Reagan Washington National Airport (DCA)?
Alaska Airlines (AS) does. Jump on one of the 60 flights per month that leave from Sea-Tac Airport and travel straight to National Airport. Avoiding an irritating stopover is a perfect way to begin your vacation.
How many flights are there from SEA to DCA?
There are around 119 flights each day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Washington, DC (DCA-Ronald Reagan Washington National), so you have ample opportunities to get to Arlington. Just decide on a time and date that matches your schedule and secure your fare.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
This flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) will take about 6 hours and 46 minutes. Use the opportunity to get stuck into the novel that's been on your bookcase for months or just enjoy a snooze.
What is the flight distance from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
At a distance of 2,300 miles (3,700 1), you'll be buckled up for some time during this medium-haul journey. Need leg space? Find an aisle seat. Otherwise, commandeer a window and stare out at the landscapes between SeaTac and Arlington.
How many morning flights are there from SEA to DCA?
Get ready to set your alarm and jet off on one of the 321 morning flights from SEA to DCA available every week.

  • If you'd like to jet off with Alaska Airlines (AS), it has 91 weekly services that take off before noon. The 6:00AM flight is the first of the day.
  • Another excellent option is Delta Air Lines. This airline has 89 early flights each week. 12:35AM is the earliest to leave.
  • Reserve a seat with American Airlines (AA) and you'll have some 54 morning flights to select from. The earliest departure time is 12:59AM.

How many afternoon flights are there from SEA to DCA?
Take off aboard one of the 513 afternoon and evening flights from SEA to DCA per week.

  • Alaska Airlines (AS) operates 210 weekly services that jet off after midday. The earliest departure is 12:12PM.
  • If you'd like to journey with Delta Air Lines (DL), look up the 118 weekly afternoon and evening flights departing from 12:00PM onward.
  • Alternatively, get up and away with United Airlines (UA). This airline has 72 weekly flights after midday, with the earliest departing at 12:30PM.

What is the earliest departure time out of SeaTac to Arlington?
Depart SEA at 12:35AM and come in for landing at DCA at 10:59PM. This is the earliest flight you can book on this route.
What is the latest departure time out of SeaTac to Arlington?
The last flight departs SEA at 11:59PM and touches down at 10:18PM at DCA. You'll have adequate time to prepare for this flight.
What is the average price from SeaTac to Arlington?
Round-trip tickets from SEA to DCA start from around $179. Amazing fares get snapped up fast, so be prepared to hit "book" when you spot a bargain. This price was available on Flights.com within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Seattle to Washington Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from Seattle to Washington to attend your cousin’s wedding, to pitch a business idea to your boss, or simply treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find our cheapest flights from SEA to DCA, we’ve got you covered here at Flights.com.

We present you with some of the most affordable deals on airfare, so stop that Google flights search. We want you to spend less on your flight from Seattle to Washington, so you can spend more during your getaway. With Flights.com, you’ll find it simple to land airline tickets with itineraries matching your travel schedule. What’s more, we provide you with all the information you need to confidently make reservations on your family, business, or personal trip.

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