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 / OW details

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Cheap airfares from /OW are provided by . This flight is going on , from () airport and arrives to () at so it makes 0 hours and 0 minutes. This is a oneway flight. Date posted: 31 Dec 1969

Price evolution for flights From Saint Louis To Washington DC

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

• $65 Frontier Airlines 

  From	To	Departure	Time
  Saint Louis, MO (STL)	Washington DC, DC (IAD)	02/08/2025	05:05 pm

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• $205 Frontier Airlines 

  From	To	Departure	Time
  Saint Louis, MO (STL)	Washington DC, DC (IAD)	01/19/2025	08:22 am

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• $225 Frontier Airlines 

  From	To	Departure	Time
  Saint Louis, MO (STL)	Washington DC, DC (IAD)	02/06/2025	05:05 pm

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• We are sorry but currently there are no roundtrip offers for flights from Saint Louis to Washington DC.
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