Find cheap airlines flights from Baltimore to Denver

Choose from 2 carriers that fly from Baltimore to Denver, including Frontier Airlines, United Airlines, Enjoy the cheapest tickets on this route with United Airlines.
Airlines are determined based on actual purchased flight tickets from Baltimore to Denver according to previous 12 months data from Trip.com.

Book direct flights from Baltimore to Denver: One way flights from $118, round trip flights from $240. Find flight deals for the next 3 months below.

Displayed flight fares from Baltimore to Denver are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | Baltimore to Denver

The distance between Baltimore and Denver is approximately 2,393.3 km. It takes around 4 hours 42 minutes on average to fly from Baltimore to Denver. Based on Trip.com's data travel demand peaks in July. The off-season for travel is October.

Cheapest one-way flight price$52
Cheapest round-trip ticket price$125
Off-season for travelOctober
Peak season for travelJuly
Flight distance2,393.3 km
Average flight time4 hours 42 minutes
Popular airlineFrontier Airlines
Flight statistics for the Baltimore–Denver route are based on aggregated booking data from Trip.com over the past 12 months.

When is the cheapest time to fly from Baltimore to Denver?

The cheapest time for Baltimore to Denver flights: Jan 11 to Jan 18 — one way flight prices from $52.

Cheapest flights
From price
Search
  • 1421
  • 2128
  • Jan

    284
  • 411
  • 1118
  • 1825
  • Feb

    251
  • 18
  • 815
  • 1522
  • Mar

    221
  • 18
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Baltimore to Denver, calculated over the upcoming 10 weeks.

Frequently Asked Questions

  • What are the cheapest flights from Baltimore to Denver (BWI-DEN)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as $52 on Cheapest nonstop routes (e.g. BWI to DEN on Wed, Jan 14), while Frontier Airlines offers Cheapest nonstop round-trips from $125 departing on Mon, Jan 12 and returning on Sun, Jan 18.
  • At the moment, you can catch a nonstop flight from Baltimore to Denver with the following airlines, including: United Airlines Frontier Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 4 hours 42 minutes to fly from Baltimore (BWI) to Denver (DEN).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Baltimore to Denver is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 13 flight per week flying from Baltimore to Denver. You can check the weekly schedule for popular airlines on this route below: United Airlines: S/M/T/W/T/F/S -- UA2012 (16:25) United Airlines: S/M/T/W/T/F/S -- UA2412 (08:35)
  • To find best deals on flights from Baltimore to Denver, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Jan 14, with one-way flights priced at just $52.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Denver travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Baltimore to Denver is October, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Baltimore to Denver on December 24, 2025 with Frontier Airlines, with prices starting at $215.
  • You can land at any one of the following hubs in Denver, with Baltimore/Washington International Airport to Denver International Airport (BWI-DEN) is by far the most common option on this route: Denver International Airport (DEN) Rocky Mountain Metropolitan Airport (BJC).
  • The time difference between Denver and Baltimore is 2h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.