Cheap flights from Colorado to Washington, D.C. from $135

If you’re not able to fly to Baltimore in October, then December is your next best option. Flight prices from Colorado to Baltimore during December average around $99.

The cheapest day to depart from Colorado to Baltimore is on a Friday. Travelers who choose to depart for Baltimore on a Friday will often find tickets for as low as $370. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $503. These prices are subject to change though, so be sure to set up a Price Alert for flights to Baltimore.

Flying to Baltimore from Colorado in the morning is the least expensive time of day to depart. momondo users have found prices as low as $400 when looking at flights departing in the morning. Flights in the evening are often more expensive with an average ticket price of $456.

Fly from Denver Intl to Baltimore/Washington for the best Colorado - Baltimore/Washington flight prices

You are more likely to see cheaper flights to Baltimore from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Baltimore for around $373 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Baltimore from Colorado for as low as $319 on momondo.

There are 4 cabin classes available to choose from on Colorado to Baltimore flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Southwest, Delta, and American Airlines are the most popular carriers operating from Colorado to Baltimore/Washington

Frontier, United Airlines and Southwest are the top three most popular airlines that fly to Baltimore from Colorado according to our data. Frontier is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Baltimore. Keep in mind that there are 5 different airlines that fly to Baltimore on a routine basis, so you have a few additional options to choose from.

The number of flights available between Colorado and Baltimore is 11 per day as of June 2026. The most frequent departure time is 12:00PM, with 43% of daily flights leaving at noon.

80 flights are operational weekly from Colorado to Baltimore as of June 2026. The most popular departure day for this route is Mon, with 24% of flights per week taking off on this day.