Cheap flights from Seattle to Washington DC
Travel > North America > United States > Seattle to Washington DC flights
Travel tip: Visit Washington DC on your holidays!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.
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Book your flight now with Cheapoair.com and save!
Cheap Washington DC airfares from $169/RT are provided by Cheapoair.com. Outbound flight is leaving on 03/24/2021, 07:16 pm from Seattle/tacoma Sea/tac (SEA) airport and arrives at Reagan National (DCA) at 04:47 pm. The flight time is 21 hours and 31 minutes. The Returning flight departes on 04/05/2021, 07:00 am (other return dates are also available). Date posted: 10 Feb 2021
Price evolution for flights From Seattle To Washington DC

Recent Deals on Flights from Seattle to Washington DC:Roundtrip / Oneway
- $169
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Seattle, WA (SEA) Washington DC, DC (DCA) 03/24/2021 07:16 pm Washington DC, DC (DCA) Seattle, WA (SEA) 04/05/2021 07:00 am - $213
Multiple Airlines
cheapoair.com check priceFrom To Departure Time Seattle, WA (SEA) Washington DC, DC (DCA) 03/08/2021 07:16 pm Washington DC, DC (DCA) Seattle, WA (SEA) 03/18/2021 06:35 am - $278
Multiple Airlines
cheapoair.com check priceFrom To Departure Time Seattle, WA (SEA) Washington DC, DC (DCA) 03/08/2021 07:16 pm Washington DC, DC (DCA) Seattle, WA (SEA) 03/18/2021 03:15 pm - $280
Multiple Airlines
cheapoair.com check priceFrom To Departure Time Seattle, WA (SEA) Washington DC, DC (IAD) 03/08/2021 09:20 am Washington DC, DC (IAD) Seattle, WA (SEA) 03/18/2021 08:34 pm - $309
Multiple Airlines
cheapoair.com check priceFrom To Departure Time Seattle, WA (SEA) Washington DC, DC (IAD) 03/08/2021 09:20 am Washington DC, DC (IAD) Seattle, WA (SEA) 03/18/2021 06:35 am - $114
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Seattle, WA (SEA) Washington DC, DC (DCA) 03/11/2021 09:48 am - $187
Alaska Airlines
cheapoair.com check priceFrom To Departure Time Seattle, WA (SEA) Washington DC, DC (IAD) 03/11/2021 09:20 am - $215
Alaska Airlines
cheapoair.com check priceFrom To Departure Time Seattle, WA (SEA) Washington DC, DC (DCA) 03/14/2021 06:35 am - $231
Alaska Airlines
cheapoair.com check priceFrom To Departure Time Seattle, WA (SEA) Washington DC, DC (IAD) 03/10/2021 09:20 am - $655
Alaska Airlines
cheapoair.com check priceFrom To Departure Time Seattle, WA (SEA) Washington DC, DC (IAD) 03/14/2021 09:20 am
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