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Flights from Baltimore to Denver

Hi, I've summed up all the key info for Baltimore to Denver flights

Cheapest one-way

$ 99
Frontier Airlines Wed, Nov 4

60% below next 30d avg. ($250)

Cheapest round-trip

$ 139
Frontier Airlines Wed, Oct 28

66% below next 30d avg. ($410)

When to travel

October Cheapest month
July Peak month

Recommended airlines

With a lowest one-way fare of $99 , travelers can expect an average price of $250 for upcoming trips, while round-trip tickets start at $139 . There are 63 flights weekly on this route. You can arrive at any of the following airports in Denver: Denver International Airport (DEN) , and Rocky Mountain Metropolitan Airport (BJC) . Flights from Baltimore/Washington International Airport to Denver International Airport (BWI-DEN) are by far the most popular option for this route. To secure the best rates, booking 40 days in advance is recommended, and the cheapest travel days are Tuesday, Wednesday, and Saturday .

Updated 3d ago · This content is an AI-powered summary based on Trip.com data. Prices and availability are subject to change. Please refer to actual prices, availability, and travel conditions.

Explore the cheapest one-way and round-trip flights from Baltimore to Denver over the next 90 days, with one-way fares from $99 and round-trip from $139. Based on Trip.com's latest 7-day flight data.

      • BWI 8:00 AM
        8h
        1 stop
        DEN 2:00 PM
        Baltimore - Denver | Wed, Oct 28 | Frontier Airlines
        DEN 10:56 AM
        11h 15m
        1 stop
        BWI 12:11 AM
        Denver - Baltimore | Wed, Nov 4 | Frontier Airlines
        $139 $377
        63% off
        63% off
        $377 $139
      • BWI 7:00 AM
        9h
        1 stop
        DEN 2:00 PM
        Baltimore - Denver | Thu, Oct 22 | Frontier Airlines
        DEN 6:30 AM
        7h 42m
        1 stop
        BWI 4:12 PM
        Denver - Baltimore | Fri, Oct 23 | Frontier Airlines
        $176 $377
        53% off
        53% off
        $377 $176
      • BWI 12:45 PM
        11h 4m
        1 stop
        DEN 9:49 PM
        Baltimore - Denver | Thu, Oct 1 | Frontier Airlines
        DEN 10:44 AM
        9h 14m
        1 stop
        BWI 9:58 PM
        Denver - Baltimore | Wed, Oct 7 | Frontier Airlines
        $178 $377
        53% off
        53% off
        $377 $178
      • BWI 5:42 PM
        8h 33m
        1 stop
        DEN 12:15 AM
        Baltimore - Denver | Tue, Oct 6 | Frontier Airlines
        DEN 11:21 AM
        8h 38m
        1 stop
        BWI 9:59 PM
        Denver - Baltimore | Thu, Oct 8 | Frontier Airlines
        $178
        53% off
        $377 $178
      • BWI 5:42 PM
        8h 33m
        1 stop
        DEN 12:15 AM
        Baltimore - Denver | Tue, Sep 22 | Frontier Airlines
        DEN 8:55 PM
        10h 30m
        1 stop
        BWI 9:25 AM
        Denver - Baltimore | Sun, Sep 27 | Frontier Airlines
        $181
        52% off
        $377 $181
      • BWI 5:42 PM
        16h 23m
        1 stop
        DEN 8:05 AM
        Baltimore - Denver | Fri, Sep 25 | Frontier Airlines
        DEN 6:09 AM
        12h 21m
        1 stop
        BWI 8:30 PM
        Denver - Baltimore | Sun, Sep 27 | Frontier Airlines
        $181
        52% off
        $377 $181
      • BWI 9:27 AM
        24h 25m
        1 stop
        DEN 7:52 AM
        Baltimore - Denver | Wed, Sep 16 | Frontier Airlines
        DEN 8:55 PM
        10h 30m
        1 stop
        BWI 9:25 AM
        Denver - Baltimore | Thu, Sep 17 | Frontier Airlines
        $181
        52% off
        $377 $181
      • BWI 9:27 AM
        8h 10m
        1 stop
        DEN 3:37 PM
        Baltimore - Denver | Wed, Sep 23 | Frontier Airlines
        DEN 7:12 PM
        16h 55m
        1 stop
        BWI 2:07 PM
        Denver - Baltimore | Fri, Sep 25 | Frontier Airlines
        $181
        52% off
        $377 $181
      • BWI 5:42 PM
        8h 36m
        1 stop
        DEN 12:18 AM
        Baltimore - Denver | Thu, Oct 15 | Frontier Airlines
        DEN 10:38 AM
        11h 56m
        1 stop
        BWI 12:34 AM
        Denver - Baltimore | Thu, Oct 22 | Frontier Airlines
        $181
        52% off
        $377 $181
      • BWI 9:24 AM
        6h 36m
        1 stop
        DEN 2:00 PM
        Baltimore - Denver | Fri, Oct 30 | Frontier Airlines
        DEN 6:30 AM
        7h 42m
        1 stop
        BWI 4:12 PM
        Denver - Baltimore | Wed, Nov 4 | Frontier Airlines
        $184
        51% off
        $377 $184
      • BWI 1:00 PM
        17h 25m
        1 stop
        DEN 2:00 PM
        Baltimore - Denver | Mon, Sep 14 | Normal Airline
        DEN 3:00 PM
        6h
        Nonstop
        BWI 4:00 PM
        Denver - Baltimore | Wed, Sep 16 | Normal Airline
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      • BWI 5:40 AM
        17h 53m
        1 stop
        DEN 9:33 PM
        Baltimore - Denver | Wed, Nov 4 | Frontier Airlines
        $99 $188
        47% off
        47% off
        $188 $99
      • BWI 6:25 PM
        15h 55m
        1 stop
        DEN 8:20 AM
        Baltimore - Denver | Mon, Oct 19 | Frontier Airlines
        $99 $188
        47% off
        47% off
        $188 $99
      • BWI 9:12 PM
        13h 10m
        1 stop
        DEN 8:22 AM
        Baltimore - Denver | Mon, Oct 26 | Frontier Airlines
        $100 $188
        47% off
        47% off
        $188 $100
      • BWI 5:40 AM
        17h 51m
        1 stop
        DEN 9:31 PM
        Baltimore - Denver | Tue, Oct 20 | Frontier Airlines
        $101
        46% off
        $188 $101
      • BWI 10:16 AM
        24h 6m
        1 stop
        DEN 8:22 AM
        Baltimore - Denver | Mon, Nov 9 | Frontier Airlines
        $103
        45% off
        $188 $103
      • BWI 11:07 AM
        6h 46m
        1 stop
        DEN 3:53 PM
        Baltimore - Denver | Tue, Nov 3 | Frontier Airlines
        $112
        40% off
        $188 $112
      • BWI 5:42 PM
        8h 36m
        1 stop
        DEN 12:18 AM
        Baltimore - Denver | Sat, Oct 24 | Frontier Airlines
        $127
        32% off
        $188 $127
      • BWI 9:12 PM
        12h 54m
        1 stop
        DEN 8:06 AM
        Baltimore - Denver | Tue, Oct 13 | Frontier Airlines
        $153
        19% off
        $188 $153
      • BWI 5:42 PM
        8h 33m
        1 stop
        DEN 12:15 AM
        Baltimore - Denver | Thu, Sep 17 | Frontier Airlines
        $169
        10% off
        $188 $169
      • BWI 10:22 AM
        12h 41m
        1 stop
        DEN 9:03 PM
        Baltimore - Denver | Wed, Sep 16 | Frontier Airlines
        $174
        7% off
        $188 $174
      • BWI 1:00 PM
        17h 25m
        1 stop
        DEN 2:00 PM
        Baltimore - Denver | Mon, Sep 14 | Normal Airline
        Find more flights
        Find more flights

Flight.News
Flights from Baltimore to Denver operate an average of 13 times per day over the past 7 days, with a 43.5% on-time departure rate and a 78.0% on-time arrival rate.

Which airlines are the most popular for Baltimore to Denver flights?

You can choose from 1 airlines that fly from Baltimore to Denver, including Frontier Airlines, Frontier Airlines has lowest fares on this route.
Frontier Airlines logo Frontier Airlines
Airlines are determined based on actual purchased flight tickets from Baltimore to Denver according to previous 12 months data from Trip.com.

Flight Info | Baltimore to Denver

The distance between Baltimore and Denver is approximately 2,393.3 km. It takes around 5 hours 16 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 $99
Cheapest round-trip ticket price $139
Off-season for travel October
Peak season for travel July
Flight distance 2,393.3 km
Average flight time 5 hours 16 minutes
Popular airline Frontier Airlines
Frequency ～45/week
Flight statistics for the Baltimore–Denver route are based on aggregated booking data from Trip.com over the past 12 months.

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 $99 on Cheapest nonstop routes (e.g. BWI to DEN on Wed, Nov 4), while Frontier Airlines offers Cheapest nonstop round-trips from $139 departing on Wed, Oct 28 and returning on Wed, Nov 4.
  • At the moment, you can catch a nonstop flight from Baltimore to Denver with the following airlines, including: United 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 5 hours 16 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 63 flight per week flying from Baltimore to Denver. You can check the weekly schedule for popular airlines on this route below: United Airlines: S/-/-/-/-/F/S -- UA2012 (17:31) United Airlines: S/M/T/W/T/F/S -- UA2412 (09:08)
  • 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, Nov 4, with one-way flights priced at just $99.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Frontier 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 September flight calendar, it's currently cheapest to fly from Baltimore to Denver on September 12, 2026 with Frontier Airlines, with prices starting at $82.
  • You can arrive at any of the following airports in Denver: Denver International Airport (DEN), and Rocky Mountain Metropolitan Airport (BJC). Flights from Baltimore/Washington International Airport to Denver International Airport (BWI-DEN) are by far the most popular option for this route.
  • 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.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Baltimore to Denver is $250. Fares vary by travel date, airline and availability.
  • Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Baltimore to Denver is $410. The final price depends on the outbound and return dates, airline and fare conditions.
  • Enter Baltimore and Denver, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
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.
Cancellation/change due to a flight schedule change:
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.