Cheap flights from Saint Louis to Washington DC

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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

Price overview for flights from Saint Louis to Washington DC

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

  • $360Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Washington DC, DC (DCA)05/01/202110:30 am
    Washington DC, DC (DCA)Saint Louis, MO (STL)05/09/202107:00 am
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  • $409Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Washington DC, DC (DCA)05/07/202110:09 pm
    Washington DC, DC (DCA)Saint Louis, MO (STL)05/21/202106:06 pm
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  • $517Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Washington DC, DC (DCA)05/19/202107:00 am
    Washington DC, DC (DCA)Saint Louis, MO (STL)05/26/202105:49 pm
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  • $540Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Washington DC, DC (DCA)05/01/202110:30 am
    Washington DC, DC (DCA)Saint Louis, MO (STL)05/09/202108:00 am
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  • $569Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Washington DC, DC (DCA)05/19/202110:30 am
    Washington DC, DC (DCA)Saint Louis, MO (STL)05/26/202105:49 pm
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  • $210Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Washington DC, DC (DCA)05/07/202110:09 pm
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  • $210Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Washington DC, DC (DCA)05/20/202110:50 pm
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  • $291Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Washington DC, DC (DCA)05/20/202108:00 am
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  • $366Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Washington DC, DC (DCA)05/07/202110:30 am
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  • $1773Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Washington DC, DC (IAD)05/06/202103:10 pm
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