[Flight Deal] $188: Washington DC to Denver (or vice versa)

Cheap sale on nonstop United Airlines round-trip flights from Washington DC to Denver. Availability December – March. Also works in reverse if you live in Washignton DC. Book quick, this fare won’t last!

You will upgrade this fare from Basic Economy to Economy at checkout, which will then allow you free carry-on and seat assignment. The fare price will increase to $188 after the checkout upgrade.

Thrifty Tip: Book now and ask questions later! Priceline allows you to cancel any flight within 24 hours of purchase.



Fare Availability:

Washington DC to Denver (IAD – DEN) – $110 nonstop/roundtrip

  • Departures: December 13, Jan 7-10, 13-23, 26-31, Feb 2-7, 9-13, 18, 20-21, 24-28, March 3-7
  • Returns: December 13-14, 16, 25, Jan 6-7, 9-14, 17-31, Feb 1-4, 6-15, 17, 21-23, 26-28, March 1-2, 5-7
    • Flights will price out at $136 for Basic Economy (No seat assignment or carry-on). Upgrade to “Main Cabin” for $52 at checkout (see sample flight below).  

How to Search & Book:

  • Help support Thrifty Traveler by booking through Priceline 

Hotel Accommodations:


Sample Flight


Subscribe to our Newsletter, like us on Facebook, and follow us on Twitter & Instagram


This post contains references to products from one or more of our advertisers. We may receive compensation when you click on links to those products. For more information check out our Advertising Disclosure.