Fly nonstop from Denver to Washington, D.C. for $188 roundtrip, including tax. Book a seat on Frontier Airlines select dates August-November, and save up to $100. Fare Calendar:

Note: Frontier Airlines charges $25-$60 for the first checked bag depending on when the fee is paid. Check our baggage fee chart for more information.


  • Up to $100 compared with current rates

Travel Dates:

  • Aug. 30 – Oct. 25

Sample Screenshots:

Denver to D.C.: Results Page

Denver to D.C.: Results Page

Denver to D.C.: Expedia Booking Page

Denver to D.C.: Expedia Booking Page Updates

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