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.

Search and Compare cheap Flights

Enter your travel details:Step 1

Flight only
Flight + HotelSave up to 30% on vacations

From (city or airport):
Rooms: 1 2 3 4 5 6
Travelers: 1 2 3 4 5 6
To (city or airport):
Depart (mm/dd/yyyy):
Return (mm/dd/yyyy):
Weekly newsletter (optional)

Select merchants to compare:Step 2

 

From $129 / RT details

Book your flight now with Cheapoair.com and save!

Cheap Washington DC airfares from $129/RT are provided by Cheapoair.com. Outbound flight is leaving on 02/04/2025, 04:39 pm from Denver International Airport (DEN) airport and arrives at Reagan National (DCA) at 09:59 pm. The flight time is 5 hours and 20 minutes. The Returning flight departes on 02/12/2025, 07:00 am (other return dates are also available). Date posted: 16 Nov 2024

Price evolution for flights From Denver To Washington DC

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

• $129 Frontier Airlines 

  From	To	Departure	Time
  Denver, CO (DEN)	Washington DC, DC (DCA)	02/04/2025	04:39 pm
  Washington DC, DC (DCA)	Denver, CO (DEN)	02/12/2025	07:00 am

  cheapoair.com check price
• $139 Frontier Airlines 

  From	To	Departure	Time
  Denver, CO (DEN)	Washington DC, DC (DCA)	12/25/2024	06:50 am
  Washington DC, DC (DCA)	Denver, CO (DEN)	01/15/2025	01:01 pm

  cheapoair.com check price
• $172 Frontier Airlines 

  From	To	Departure	Time
  Denver, CO (DEN)	Washington DC, DC (DCA)	11/29/2024	06:41 am
  Washington DC, DC (DCA)	Denver, CO (DEN)	12/09/2024	01:01 pm

  cheapoair.com check price
• $178 Frontier Airlines 

  From	To	Departure	Time
  Denver, CO (DEN)	Washington DC, DC (IAD)	12/25/2024	12:29 am
  Washington DC, DC (IAD)	Denver, CO (DEN)	01/15/2025	01:01 pm

  cheapoair.com check price
• $268 Frontier Airlines 

  From	To	Departure	Time
  Denver, CO (DEN)	Washington DC, DC (IAD)	11/29/2024	06:05 am
  Washington DC, DC (IAD)	Denver, CO (DEN)	12/09/2024	07:00 am

  cheapoair.com check price
• $104 Frontier Airlines 

  From	To	Departure	Time
  Denver, CO (DEN)	Washington DC, DC (DCA)	11/28/2024	06:41 am

  cheapoair.com check price
• $154 Frontier Airlines 

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

  cheapoair.com check price