DCA to SEA (Washington to Seattle) Flights

Last Minute Flights from DCA to SEA

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

Cheapest DCA to SEA Flights

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

OriginDestinationTravel DatesFlights From*
DCASeattleApril 25 to May 7$199
DCASeattleApril 7 to April 17$209
DCASeattleApril 7 to April 17$214
DCASeattleMay 4 to May 6$215
DCASeattleApril 21 to April 27$239
*Prices include taxes and fees
DCA to SEA Flight Details
Origin airport
Ronald Reagan Washington National
Origin airport IATA code
DCA
Destination airport
Seattle - Tacoma Intl.
Destination airport IATA code
SEA
Distance
2322 mi

Frequently asked questions

What airlines fly direct from DCA to Seattle - Tacoma Intl. Airport (SEA)?
Enjoy a smooth, easy journey from takeoff to landing aboard Alaska Airlines (AS). This leading airline advertises 60 nonstop flights on the route from Ronald Reagan Washington National Airport (DCA) to Sea-Tac Airport every month.
How many flights are there from DCA to SEA?
There are roughly 147 flights each day from Washington, DC (DCA-Ronald Reagan Washington National) to Seattle, WA (SEA-Seattle - Tacoma Intl.), so you have no shortage of ways to get to SeaTac. Just find a time and date that works for you and lock in your airfare.
How long does it take to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Washington, DC (DCA-Ronald Reagan Washington National) to Seattle, WA (SEA-Seattle - Tacoma Intl.) takes about 7 hours and 28 minutes. That's an ideal amount of time to watch a new series, get absorbed in a podcast or get some shut-eye.
What is the flight distance from Washington, DC (DCA-Ronald Reagan Washington National) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
At 2,300 miles (3,700 1), this medium-haul flight is no endless marathon, but it's no quick hop either. Arrive in SeaTac feeling refreshed by catching some z's en route.
How many morning flights are there from DCA to SEA?
With around 465 morning flights per week from DCA to SEA to select from, you'll be springing out of bed and jetting away in a blink of an eye.

  • American Airlines (AA) offers 190 weekly flights that depart before midday. The earliest one you can take is 5:00AM.
  • Delta Air Lines (DL) is another option to consider. This carrier has 82 morning flights, with the earliest departing at 6:00AM.
  • You'll have some 55 morning flights to choose from if you book with United Airlines (UA). 6:00AM is the earliest departure time.

How many afternoon flights are there from DCA to SEA?
If the words "bright and early" just aren't in your vocabulary, take one of the 568 weekly afternoon and evening flights from DCA to SEA.

  • Think about locking in a ticket with American Airlines (AA). It offers 215 flights every week that leave after midday. The earliest departs at 12:27PM.
  • If you'd like to lock in a seat with Delta Air Lines (DL), you can take your pick of 132 weekly afternoon and evening flights departing from 12:00PM onward.
  • Otherwise, get on board with United Airlines (UA). This carrier has 112 weekly flights after midday, with the earliest leaving at 12:00PM.

What is the earliest departure time out of Arlington to SeaTac?
The earliest flight departs DCA at 5:00AM and touches down at 2:40AM at SEA. You'll want to allow yourself enough time in the morning to easily make it to your departure gate.
What is the latest departure time out of Arlington to SeaTac?
The last flight leaves the tarmac at DCA at 10:15PM and arrives at SEA at 5:14PM. You'll have more than enough time to prepare for this flight.
What is the average price from Arlington to SeaTac?
Round-trip tickets from DCA to SEA start from $199. Book today and land a great deal. 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.

Washington to Seattle Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from Washington to Seattle 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 DCA to SEA, 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 Washington to Seattle, 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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