Cheap flights from Saint Louis to Washington DC

Travel > North America > United States > Saint Louis to Washington DC flights

Check our current prices for flights from Saint Louis 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 Saint Louis to Washington DC, you will need to run a search below.

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From $360 / RT details

Book your flight now with Cheapoair.com and save!

Cheap Washington DC airfares from $360/RT are provided by Cheapoair.com. Outbound flight is leaving on 05/01/2021, 10:30 am from St. Louis Intl (STL) airport and arrives at Reagan National (DCA) at 09:59 pm. The flight time is 11 hours and 29 minutes. The Returning flight departes on 05/09/2021, 07:00 am (other return dates are also available). Date posted: 04 Apr 2021

Price evolution for flights From Saint Louis To Washington DC

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

• $360 Multiple Airlines 

  From	To	Departure	Time
  Saint Louis, MO (STL)	Washington DC, DC (DCA)	05/01/2021	10:30 am
  Washington DC, DC (DCA)	Saint Louis, MO (STL)	05/09/2021	07:00 am

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• $409 Frontier Airlines 

  From	To	Departure	Time
  Saint Louis, MO (STL)	Washington DC, DC (DCA)	05/07/2021	10:09 pm
  Washington DC, DC (DCA)	Saint Louis, MO (STL)	05/21/2021	06:06 pm

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• $517 Frontier Airlines 

  From	To	Departure	Time
  Saint Louis, MO (STL)	Washington DC, DC (DCA)	05/19/2021	07:00 am
  Washington DC, DC (DCA)	Saint Louis, MO (STL)	05/26/2021	05:49 pm

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• $540 Alaska Airlines 

  From	To	Departure	Time
  Saint Louis, MO (STL)	Washington DC, DC (DCA)	05/01/2021	10:30 am
  Washington DC, DC (DCA)	Saint Louis, MO (STL)	05/09/2021	08:00 am

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• $569 Multiple Airlines 

  From	To	Departure	Time
  Saint Louis, MO (STL)	Washington DC, DC (DCA)	05/19/2021	10:30 am
  Washington DC, DC (DCA)	Saint Louis, MO (STL)	05/26/2021	05:49 pm

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• $210 Frontier Airlines 

  From	To	Departure	Time
  Saint Louis, MO (STL)	Washington DC, DC (DCA)	05/07/2021	10:09 pm

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• $210 Frontier Airlines 

  From	To	Departure	Time
  Saint Louis, MO (STL)	Washington DC, DC (DCA)	05/20/2021	10:50 pm

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• $291 Alaska Airlines 

  From	To	Departure	Time
  Saint Louis, MO (STL)	Washington DC, DC (DCA)	05/20/2021	08:00 am

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• $366 Alaska Airlines 

  From	To	Departure	Time
  Saint Louis, MO (STL)	Washington DC, DC (DCA)	05/07/2021	10:30 am

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• $1773 Alaska Airlines 

  From	To	Departure	Time
  Saint Louis, MO (STL)	Washington DC, DC (IAD)	05/06/2021	03:10 pm

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