Cheap flights from Seattle to Washington DC

Travel > North America > United States > Seattle to Washington DC flights

Check our current prices for flights from Seattle to Washington DC. Please note that we also give you historical search data for this city connection. These are all airfares that people found in the past, in order to find more current flight information from Seattle to Washington DC, you will need to run a search below.

Search and Compare cheap Flights

Enter your travel details:Step 1

Flight only
Flight + HotelSave up to 30% on vacations

From (city or airport):
Rooms: 1 2 3 4 5 6
Travelers: 1 2 3 4 5 6
To (city or airport):
Depart (mm/dd/yyyy):
Return (mm/dd/yyyy):
Weekly newsletter (optional)

Select merchants to compare:Step 2

 

From $327 / RT details

Book your flight now with FlightHub and save!

Cheap Washington DC airfares from $327/RT are provided by FlightHub. Outbound flight is leaving on 10/17/2017, 07:45 am from Seattle/tacoma Sea/tac (SEA) airport and arrives at Washington Dulles (IAD) at 03:57 pm. The flight time is 8 hours and 12 minutes. The Returning flight departes on 10/24/2017, 05:33 pm (other return dates are also available). Date posted: 02 Aug 2017

Price evolution for flights From Seattle To Washington DC

Recent Deals on Flights from Seattle to Washington DC:Roundtrip / Oneway

• $327 United Airlines 

  From	To	Departure	Time
  Seattle, WA (SEA)	Washington DC, DC (IAD)	10/17/2017	07:45 am
  Washington DC, DC (IAD)	Seattle, WA (SEA)	10/24/2017	05:33 pm

  flighthub.com check price
• $335 United Airlines 

  From	To	Departure	Time
  Seattle, WA (SEA)	Washington DC, DC (DCA)	10/17/2017	11:15 pm
  Washington DC, DC (DCA)	Seattle, WA (SEA)	10/24/2017	12:35 pm

  flighthub.com check price
• $347 United Airlines 

  From	To	Departure	Time
  Seattle, WA (SEA)	Washington DC, DC (DCA)	09/14/2017	12:20 am
  Washington DC, DC (DCA)	Seattle, WA (SEA)	09/17/2017	08:35 am

  flighthub.com check price
• $350 United Airlines 

  From	To	Departure	Time
  Seattle, WA (SEA)	Washington DC, DC (IAD)	09/14/2017	10:30 pm
  Washington DC, DC (IAD)	Seattle, WA (SEA)	09/17/2017	12:35 pm

  flighthub.com check price
• $371 United Airlines 

  From	To	Departure	Time
  Seattle, WA (SEA)	Washington DC, DC (IAD)	09/28/2017	11:30 pm
  Washington DC, DC (IAD)	Seattle, WA (SEA)	10/03/2017	12:47 pm

  flighthub.com check price
• $164 United Airlines 

  From	To	Departure	Time
  Seattle, WA (SEA)	Washington DC, DC (IAD)	09/20/2017	07:35 am

  flighthub.com check price
• $168 United Airlines 

  From	To	Departure	Time
  Seattle, WA (SEA)	Washington DC, DC (DCA)	08/25/2017	10:44 am

  flighthub.com check price
• $172 United Airlines 

  From	To	Departure	Time
  Seattle, WA (SEA)	Washington DC, DC (DCA)	09/20/2017	06:30 am

  flighthub.com check price
• $182 United Airlines 

  From	To	Departure	Time
  Seattle, WA (SEA)	Washington DC, DC (DCA)	09/25/2017	11:15 pm

  flighthub.com check price
• $201 Virgin America 

  From	To	Departure	Time
  Seattle, WA (SEA)	Washington DC, DC (IAD)	09/20/2017	05:41 pm

  flighthub.com check price