$89 Cheap flights from Seattle - Tacoma Intl. to Ronald Reagan Washington National (SEA to DCA)

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Find The Best Dates To Fly from Seattle - Tacoma Intl. to Ronald Reagan Washington National

Amazing SEA to DCA Flight Deals

The cheapest flights to Ronald Reagan Washington National found within the past 7 days were $158 round trip and $89 one way. Prices and availability subject to change. Additional terms may apply.

Thu, Jan 16 - Mon, Jan 27
SEA
Seattle
DCA
Washington
$158 Roundtrip, found 16 hours ago
$158
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Thu, Jan 16 from Seattle to Washington, returning Mon, Jan 27, priced at $158 found 16 hours ago
Thu, Jan 16 - Sun, Jan 26
SEA
Seattle
DCA
Washington
$178 Roundtrip, found 16 hours ago
$178
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Thu, Jan 16 from Seattle to Washington, returning Sun, Jan 26, priced at $178 found 16 hours ago
Sat, Mar 1 - Sat, Mar 8
SEA
Seattle
DCA
Washington
$190 Roundtrip, found 3 days ago
$190
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sat, Mar 1 from Seattle to Washington, returning Sat, Mar 8, priced at $190 found 3 days ago
Wed, Feb 12 - Wed, Feb 19
SEA
Seattle
DCA
Washington
$197 Roundtrip, found 3 days ago
$197
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Feb 12 from Seattle to Washington, returning Wed, Feb 19, priced at $197 found 3 days ago
Mon, Jan 6 - Fri, Jan 10
SEA
Seattle
DCA
Washington
$198 Roundtrip, found 15 hours ago
$198
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Mon, Jan 6 from Seattle to Washington, returning Fri, Jan 10, priced at $198 found 15 hours ago
Tue, Nov 19 - Mon, Dec 9
SEA
Seattle
DCA
Washington
$201 Roundtrip, found 19 hours ago
$201
Roundtrip
found 19 hours ago
Select Frontier Airlines flight, departing Tue, Nov 19 from Seattle to Washington, returning Mon, Dec 9, priced at $201 found 19 hours ago
Sun, Jan 5 - Mon, Jan 13
SEA
Seattle
DCA
Washington
$213 Roundtrip, found 3 days ago
$213
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sun, Jan 5 from Seattle to Washington, returning Mon, Jan 13, priced at $213 found 3 days ago
Fri, Feb 14 - Wed, Feb 19
SEA
Seattle
DCA
Washington
$217 Roundtrip, found 3 days ago
$217
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Fri, Feb 14 from Seattle to Washington, returning Wed, Feb 19, priced at $217 found 3 days ago
Mon, Jan 20 - Mon, Jan 27
SEA
Seattle
DCA
Washington
$218 Roundtrip, found 16 hours ago
$218
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Mon, Jan 20 from Seattle to Washington, returning Mon, Jan 27, priced at $218 found 16 hours ago
Fri, Feb 14 - Sat, Feb 15
SEA
Seattle
DCA
Washington
$222 Roundtrip, found 3 days ago
$222
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Fri, Feb 14 from Seattle to Washington, returning Sat, Feb 15, priced at $222 found 3 days ago

Frequently asked questions

Can I catch a flight from Sea-Tac Airport to National Airport right now?
It’s prudent to know about any quarantine requirements and travel advice reports in effect in your destination. Be sure to visit our Covid-19 Travel Advisor for up-to-date info on booking a flight to National Airport.
Are there direct flights from Sea-Tac Airport to DCA?
Be a wise wanderer and choose a direct flight from SEA to DCA with Alaska Airlines. This air carrier is the ideal choice if you’re hoping to land in Arlington as quickly as possible.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to DCA, please visit our Customer Service Portal.
How long is the flight from Seattle - Tacoma Intl. Airport (SEA) to National Airport?
Leave the airplane feeling well-rested by enjoying some shut-eye and a few snacks during your flight to DCA. With a typical travel time of 6 hours and 38 minutes from Sea-Tac Airport, you’ll have plenty of time to indulge in both.
What is the flight distance from Sea-Tac Airport to DCA?
Covering 2,300 mi between SEA and SEA calls for a glass of bubbly and a binge-watching session. Recline your seat, pull a blanket over your lap and simply enjoy the flight.
What airlines fly from Sea-Tac Airport to Ronald Reagan Washington National Airport (DCA)?
Ready to fly off on your next exciting adventure? Want to get from Seattle to Arlington in the shortest time possible? Hop on board one of the 60 nonstop flights offered by Alaska Airlines each month, and you’ll be hitting the tarmac before you can say ‘Are we there yet?’
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with American Airlines, Delta or Southwest Airlines you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

 

Traveling From
Seattle - Tacoma Intl.
Traveling To
Ronald Reagan Washington National
Shortest Flight Time
11 hours 6 mins
Earliest Departure Time
8:32AM EST
Latest Departure Time
1:53PM EST
Lowest Flight Price
$158

Route Info

Flight path for flights from Seattle-Tacoma International Airport to Ronald Reagan National Airport


Origin:
SEA - Seattle-Tacoma International Airport
Destination:
DCA - Ronald Reagan National Airport
Distance:
2,339.00 miles


Airlines & Aircraft Used on SEA to DCA Flight Routes


Airline Carrier
Aircraft
Alaska Airlines
Airbus A320-100/200

Discover our best flights from Seattle SEA to Washington DCA. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from Seattle SEA to Washington DCA at the right price  

Airfares to Washington DCA from Seattle SEA currently cost between $158 and $222. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from Seattle SEA to Washington DCA 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Seattle SEA to Washington DCA on Travelocity starting at $89. Prices and availability subject to change. Additional terms may apply. 

 

Get to Washington DCA from Seattle SEA quicker with direct flights. 

Get to Washington faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to DCA from SEA to take around 11 hour(s) 6 min(s).  

 

Find our cheapest airfares for flights from Seattle SEA to Washington DCA

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to DCA from SEA. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from Seattle SEA to Washington DCA today 

If you’re flexible about when you travel, January is usually the cheapest month to fly from Seattle SEA to Washington DCA. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to Washington DCA from Seattle SEA 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to DCA from SEA have this option.  

 

Travel with confidence when you book flights to Washington DCA from Seattle SEA with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.