Cheap flights from Denver to Washington DC

Travel > North America > United States > Denver to Washington DC flights

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

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

• $412 Multiple Airlines 

  From	To	Departure	Time
  Denver, CO (DEN)	Washington DC, DC (DCA)	07/11/2025	06:38 am
  Washington DC, DC (DCA)	Denver, CO (DEN)	07/21/2025	12:25 pm

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• $438 Frontier Airlines 

  From	To	Departure	Time
  Denver, CO (DEN)	Washington DC, DC (DCA)	07/11/2025	04:28 pm
  Washington DC, DC (DCA)	Denver, CO (DEN)	07/21/2025	06:00 pm

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• $573 Multiple Airlines 

  From	To	Departure	Time
  Denver, CO (DEN)	Washington DC, DC (IAD)	07/11/2025	06:00 am
  Washington DC, DC (IAD)	Denver, CO (DEN)	07/21/2025	12:25 pm

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• $599 Frontier Airlines 

  From	To	Departure	Time
  Denver, CO (DEN)	Washington DC, DC (IAD)	07/11/2025	06:00 am
  Washington DC, DC (IAD)	Denver, CO (DEN)	07/21/2025	06:00 pm

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• $89 Frontier Airlines 

  From	To	Departure	Time
  Denver, CO (DEN)	Washington DC, DC (IAD)	04/04/2025	12:14 am

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• $96 Frontier Airlines 

  From	To	Departure	Time
  Denver, CO (DEN)	Washington DC, DC (DCA)	04/04/2025	04:34 pm

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• $149 Frontier Airlines 

  From	To	Departure	Time
  Denver, CO (DEN)	Washington DC, DC (DCA)	04/09/2025	04:27 pm

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• $154 Frontier Airlines 

  From	To	Departure	Time
  Denver, CO (DEN)	Washington DC, DC (DCA)	04/02/2025	04:27 pm

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