Cheap flights from Denver to Washington DC

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

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From $412 / RT details

Book your flight now with Cheapoair.com and save!

Cheap Washington DC airfares from $412/RT are provided by Cheapoair.com. Outbound flight is leaving on 07/11/2025, 06:38 am from Denver International Airport (DEN) airport and arrives at Reagan National (DCA) at 12:00 pm. The flight time is 5 hours and 22 minutes. The Returning flight departes on 07/21/2025, 12:25 pm (other return dates are also available). Date posted: 14 Jan 2025

Price evolution for flights From Denver To Washington DC

Price overview for flights from Denver to Washington DC

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

  • $412Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Denver, CO (DEN)Washington DC, DC (DCA)07/11/202506:38 am
    Washington DC, DC (DCA)Denver, CO (DEN)07/21/202512:25 pm
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  • $438Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Denver, CO (DEN)Washington DC, DC (DCA)07/11/202504:28 pm
    Washington DC, DC (DCA)Denver, CO (DEN)07/21/202506:00 pm
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  • $573Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Denver, CO (DEN)Washington DC, DC (IAD)07/11/202506:00 am
    Washington DC, DC (IAD)Denver, CO (DEN)07/21/202512:25 pm
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  • $599Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Denver, CO (DEN)Washington DC, DC (IAD)07/11/202506:00 am
    Washington DC, DC (IAD)Denver, CO (DEN)07/21/202506:00 pm
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  • $66Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Denver, CO (DEN)Washington DC, DC (DCA)03/13/202506:40 am
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  • $86Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Denver, CO (DEN)Washington DC, DC (IAD)03/13/202512:24 am
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  • $89Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Denver, CO (DEN)Washington DC, DC (IAD)04/04/202512:14 am
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  • $96Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Denver, CO (DEN)Washington DC, DC (DCA)04/04/202504:34 pm
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  • $149Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Denver, CO (DEN)Washington DC, DC (DCA)04/09/202504:27 pm
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