Lowest Prices
Uncover the best deals on Seattle to Washington flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest SEA - DCA Flights
Useful information for finding best airline tickets from Seattle Tacoma International to Ronald Reagan Washington National on your next trip.
Cheapest One way Flight
$534
Southwest Airlines
• 1 stop
• 29h 5m
Sep 23
The cheapest one way flight from Seattle to Washington (SEA-DCA) is currently $534
Fastest Flight
20h 45m
The fastest nonstop flight from Seattle to Washington (SEA-DCA) takes 20h 45m
Top Airlines Flying from Seattle to Washington
Latest Flight Deals from Seattle (SEA) to Washington (DCA)
Explore competitive one-way airfare options for SEA - DCA flights. Best suited for flexible or open-ended travel plans.
Flying to Washington soon? We've surfaced some of the most affordable last-minute flights from Seattle to Washington, ideal for urgent plans or spontaneous trips.
FAQs on Seattle to Washington Flights
What are the airports in Seattle?
SEA
What’s the most popular airline flying from SEA to DCA?
The most popular airline flying from Seattle to Washington are
Can I fly from SEA to DCA non-stop?
NO
Which airlines fly nonstop between Seattle and Washington?
The non-stop flights between Seattle and Washington are .
What’s the earliest departure time from SEA to DCA Airport?
The earliest flight leaves SEA at 6:40 pm and lands in DCA - Ronald Reagan Washington National
What are the airports in Washington?
IAD,BWI,DCA
Can I make changes to my Seattle to Washington flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from SEA to DCA?
Read the fare rules of the Seattle to Washington air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Seattle and Washington?
operate flights between Seattle and Washington
How long does a flight from Seattle to Washington take?
It takes approximately 5 hour to fly non-stop from SEA to DCA, which is 2328.47 miles by air.
Which airlines provide the cheapest flights from Seattle (SEA) to Washington (DCA) ?
In the past couple of days, the cheapest tickets to DCA from SEA were found on WN : USD 534
Do I need a passport to fly between SEA and DCA?
No
What’s the latest departure time from SEA to DCA ?
The last flight leaves SEA at 11:05 pm
Seattle (SEA) to Washington (DCA): Airport Information
| Origin Airport | Seattle Tacoma International , Seattle, US |
| Destination Airport | Ronald Reagan Washington National , Washington, US |
| Distance | 2328 miles |
More Flight Options for Seattle (SEA) and Washington (DCA)
Flights from Seattle (SEA)
to Las Vegas (LAS)
Flights from Seattle (SEA)
to Honolulu (HNL)
Flights from Seattle (SEA)
to Kahului (OGG)
Flights from Seattle (SEA)
to Los Angeles (LAX)
Flights from Seattle (SEA)
to Salt Lake City (SLC)
Flights from Seattle (SEA)
to Orlando (MCO)
Flights from Seattle (SEA)
to Miami (MIA)
Flights from Seattle (SEA)
to Philadelphia (PHL)
Flights from Seattle (SEA)
to Tulsa (TUL)
Flights from Seattle (SEA)
to San Diego (SAN)
Flights from Seattle (SEA)
to Ontario (ONT)
Flights from Seattle (SEA)
to Ontario (ONT)
Flights from Seattle (SEA)
to Indianapolis (IND)
Flights from Seattle (SEA)
to Boise (BOI)
Flights from Seattle (SEA)
to Huntsville (HSV)
Flights from Seattle (SEA)
to Dallas (DFW)
Flights from Seattle (SEA)
to Dallas (DFW)
Flights from Seattle (SEA)
to Santa Ana (SNA)
Flights from Seattle (SEA)
to San Francisco (SFO)
Flights from Seattle (SEA)
to Phoenix (PHX)
Flights from Indianapolis (IND)
to Washington (IAD)
Flights from Atlanta (ATL)
to Washington (IAD)
Flights from Boston (BOS)
to Baltimore (BWI)
Flights from Boston (BOS)
to Baltimore (BWI)
Flights from Chicago (ORD)
to Baltimore (BWI)
Flights from Chicago (ORD)
to Baltimore (BWI)
Flights from Pittsburgh (PIT)
to Baltimore (BWI)
Flights from Sacramento (SMF)
to Baltimore (BWI)
Flights from Sacramento (SMF)
to Baltimore (BWI)
Flights from Detroit (DTW)
to Washington (DCA)
Flights from Orlando (MCO)
to Baltimore (BWI)
Flights from Orlando (MCO)
to Baltimore (BWI)
Flights from Boston (BOS)
to Washington (DCA)
Flights from New York (LGA)
to Washington (IAD)
Flights from Dallas (DAL)
to Washington (DCA)
Flights from Newark (EWR)
to Washington (IAD)
Flights from Charleston (CHS)
to Washington (DCA)
Flights from Phoenix (PHX)
to Baltimore (BWI)
Flights from Phoenix (PHX)
to Baltimore (BWI)
Flights from Cleveland (CLE)
to Washington (DCA)
Cheap flights to North America (NA)
Cheap flights to United States (US)
Cheap flights to Washington (US-WA)
Cheap flights from North America (NA)
Cheap flights from United States (US)
Cheap flights from Washington (US-WA)
Flights to Baltimore (BWI)
Flights to Baltimore (BWI)
Flights to Washington (DCA)
Flights to Washington (IAD)
Flights to Seattle (SEA)
Flights from Baltimore (BWI)
Flights from Baltimore (BWI)
to Seattle (SEA)
Flights from Baltimore (BWI)
to Seattle (SEA)
Flights from Washington (DCA)
Flights from Washington (DCA)
to Seattle (SEA)
Flights from Washington (IAD)
Flights from Washington (IAD)
to Seattle (SEA)
Flights from Washington (IAD)
to Seattle (SEA)
Flights from Seattle (SEA)
Why Fareleaders for SEA to DCA Plane Tickets
New Deals Everyday
Get the best prices on SEA to DCA flights—we update our fares daily so you never miss a saving.
No Service Fees
Compare hundreds of Seattle to Washington flights and secure the best deals—we never add any service fees.