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 $657 / RT details

Book your flight now with Cheapoair.com and save!

Cheap Washington DC airfares from $657/RT are provided by Cheapoair.com. Outbound flight is leaving on 03/18/2020, 07:25 pm from St. Louis Intl (STL) airport and arrives at Washington Dulles (IAD) at 07:36 am. The flight time is 12 hours and 11 minutes. The Returning flight departes on 03/31/2020, 05:20 pm (other return dates are also available). Date posted: 05 Feb 2020

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

  • $657Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Washington DC, DC (IAD)03/18/202007:25 pm
    Washington DC, DC (IAD)Saint Louis, MO (STL)03/31/202005:20 pm
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  • $713Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Washington DC, DC (IAD)04/29/202007:00 pm
    Washington DC, DC (IAD)Saint Louis, MO (STL)05/13/202008:00 am
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  • $713Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Washington DC, DC (IAD)04/29/202007:00 pm
    Washington DC, DC (IAD)Saint Louis, MO (STL)05/13/202008:00 am
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  • $718Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Washington DC, DC (IAD)03/25/202002:45 pm
    Washington DC, DC (IAD)Saint Louis, MO (STL)04/14/202007:25 pm
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  • $733Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Washington DC, DC (DCA)03/18/202007:25 pm
    Washington DC, DC (DCA)Saint Louis, MO (STL)03/31/202008:55 am
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  • $304Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Washington DC, DC (DCA)03/11/202009:01 am
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  • $315Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Washington DC, DC (DCA)03/11/202009:01 am
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  • $573Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Washington DC, DC (DCA)03/20/202009:01 am
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  • $582Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Washington DC, DC (IAD)03/20/202002:45 pm
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  • $770Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Washington DC, DC (IAD)03/20/202003:01 pm
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