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

If you’re not able to fly to Baltimore in September, then October is your next best option. Flight prices from Denver to Baltimore during October average around $294.

The cheapest day to depart from Denver to Baltimore is on a Friday. Travelers who choose to depart for Baltimore on a Friday will often find tickets for as low as $389. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $497. These prices are subject to change though, so be sure to set up a Price Alert for flights to Baltimore.

Flying to Baltimore from Denver at noon is the least expensive time of day to depart. momondo users have found prices as low as $414 when looking at flights departing at noon. Flights in the evening are often more expensive with an average ticket price of $460.

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

You are more likely to see cheaper flights to Baltimore from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Baltimore for around $380 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Baltimore from Denver for as low as $319 on momondo.

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

Southwest, United Airlines, and Delta are the most popular carriers operating from Denver Intl to Baltimore/Washington

Frontier, United Airlines and Southwest are the top three most popular airlines that fly to Baltimore from Denver according to our data. Frontier is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Baltimore. Keep in mind that there are 6 different airlines that fly to Baltimore on a routine basis, so you have a few additional options to choose from.

Atlanta (ATL) was the most common stop: 60% of momondo users choosing 1-stop flights on this route connected there.

Flights via Atlanta (ATL) offer the lowest average round-trip price of $139.

Flights connecting via Atlanta (ATL) have the shortest average one-way travel time: 7h 08m.

Orlando (MCO) has the shortest average layover time for this route: 1h 56m.

As of August 2026, there are 7 flights per day flying from Denver to Baltimore. The most common time of day flights depart is 12:00PM, with 40% of flights taking off at noon.

As of August 2026, 51 flights take off from Denver and land in Baltimore each week. The most common flight departure day for this route is Fri, with 41% of weekly flights taking off on this day.