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$129+ Cheap flights from Harrisburg to Denver (MDT - DEN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — DEN
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from Harrisburg to Denver Intl are usually found in February or May, booked 75 days in advance, depart on a Tuesday or Friday and return on a Wednesday

Cheap flight deals from Harrisburg to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Harrisburg (MDT) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 29, 2025.

Round-trip from

$248
(Frontier)

One-way from

$129
(Frontier)

Popular in

March

Cheapest in

February

Average price

$400
From Harrisburg to Denver Intl
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One-way flight from Harrisburg to Denver Intl
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High demand for flights, 3% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Harrisburg to Denver

Cheapest flights from Harrisburg to Denver
Explore the most affordable flight options available from Harrisburg to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This Frontier deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/711:06 amMDT - DEN
1 stop14h 05mFrontier
Fri 8/1512:23 amDEN - MDT
1 stop8h 05mFrontier
Deal found 7/28$248
This American Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/203:46 pmMDT - DEN
1 stop6h 09mAmerican Airlines
Sun 11/236:47 amDEN - MDT
1 stop6h 07mAmerican Airlines
Deal found 7/27$266
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/126:23 pmMDT - DEN
1 stop7h 36mDelta
Fri 9/1912:45 amDEN - MDT
2 stops10h 13mDelta
Deal found 7/28$274
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/205:48 pmMDT - DEN
1 stop7h 15mUnited Airlines
Sun 8/2411:59 pmDEN - MDT
1 stop7h 34mUnited Airlines
Deal found 7/28$374

Cheapflights Fare Finder

 
Customize your flight search to find flights from Harrisburg to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2025.
Use the filters below to find and compare flights from Harrisburg to Denver that are best for you.

Fly from

Harrisburg

Fly to

Denver

Route

Depart

Return

Price

HarrisburgDenver

MDT - DEN

MDTDEN

Harrisburg

Thu 8/7

11:06 am-11:11 pm

1 stop14h 05m

Denver Intl

Fri 8/15

12:23 am-10:28 am

1 stop8h 05m

$248

HarrisburgDenver

MDT - DEN

MDTDEN

Harrisburg

Tue 8/26

5:00 am-11:24 am

1 stop8h 24m

Denver Intl

Tue 9/2

11:59 pm-10:13 am

1 stop8h 14m

$269

HarrisburgDenver

MDT - DEN

MDTDEN

Harrisburg

Fri 9/12

6:23 pm-11:59 pm

1 stop7h 36m

Denver Intl

Fri 9/19

12:45 am-12:58 pm

2 stops10h 13m

$274

HarrisburgDenver

MDT - DEN

MDTDEN

Harrisburg

Wed 8/20

5:48 pm-11:03 pm

1 stop7h 15m

Denver Intl

Sun 8/24

11:59 pm-9:33 am

1 stop7h 34m

$374

HarrisburgDenver

MDT - DEN

MDTDEN

Harrisburg

Mon 9/15

10:57 am-5:55 pm

1 stop8h 58m

$129

HarrisburgDenver

MDT - DEN

MDTDEN

Harrisburg

Sun 8/31

6:30 am-10:35 am

1 stop6h 05m

$171

HarrisburgDenver

MDT - DEN

MDTDEN

Harrisburg

Sun 8/31

6:10 am-2:48 pm

2 stops10h 38m

$176

HarrisburgDenver

MDT - DEN

MDTDEN

Harrisburg

Sun 8/24

6:00 am-11:35 am

2 stops7h 35m

$289

HarrisburgDenver

MDT - DEN

MDTDEN

Harrisburg

Sun 8/24

12:10 pm-4:43 pm

3 stops30h 33m

$377

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Best time to book a flight from Harrisburg to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Harrisburg with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Harrisburg to Denver

How far ahead should I book a flight from Harrisburg to Denver?

Use this chart to determine the optimal time to book a round-trip flight from Harrisburg to Denver. Price data was last updated on July 25, 2025.

The best time to book flights from Harrisburg to Denver is 75 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Harrisburg to Denver?

Currently, October is the cheapest month in which you can book a flight from Harrisburg to Denver (average of $197). Flying from Harrisburg to Denver in March is currently the most expensive (average of $278). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MDT to DEN?

Find hourly flight availability from Harrisburg to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

One of the essential ways to save on airfare from Harrisburg to Denver is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 14% on airfare.

What is the cheapest day to fly from Harrisburg to Denver?

Use this chart to determine the cheapest time to fly round-trip from Harrisburg to Denver. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Harrisburg to Denver flight should consider departing on Tuesday evenings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What’s the top layover airport for flights from Harrisburg to Denver?

Share of 1-stop round-trip flights from Harrisburg to Denver chosen by Cheapflights users in the past 12 months, using the same layover each way.

Washington, D.C. (IAD) – chosen by Cheapflights users on 67% of 1-stop itineraries from Harrisburg to Denver on Cheapflights.

What’s the cheapest layover airport for flights from Harrisburg to Denver?

Average round-trip fare for 1-stop flights from Harrisburg to Denver, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Orlando (MCO) is the most affordable 1-stop option, with an average round-trip price of $313.

What’s the fastest layover option from Harrisburg to Denver?

Shortest average travel time for 1-stop one-way flights from Harrisburg to Denver, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Washington, D.C. (IAD) have the shortest average one-way travel time for 1-stop routes: 4h 59m.

Which airport typically offers the quickest layover for flights from Harrisburg to Denver?

Average layover duration for 1-stop one-way flights from Harrisburg to Denver, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Washington, D.C. (IAD) offer the fastest connection on this route, with an average layover time of 1h 29m.

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated July 29, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Harrisburg to Denver. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,979 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,979 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,979 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
5.9
Fair
3,238 reviews
Delta
8.0
Very good
7,979 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Harrisburg to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Harrisburg to Denver round-trip?

    Our cheapest airline available from Harrisburg to Denver is Frontier. Our recent data shows that you can find tickets from as low as $248 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $269 and $274 round-trip. You may be able to fly from Harrisburg to Denver for 39% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Harrisburg to Denver one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $129. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from Harrisburg to Denver for a low price.

  • Can I find deals for flights from Harrisburg to Denver that include hotel bookings?

    Yes. In addition to deals on Harrisburg to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Harrisburg to Denver?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Harrisburg to Denver.

  • Can I find deals for business class flights from Harrisburg to Denver?

    Yes. Cheapflights offers flight deals from Harrisburg to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Harrisburg to Denver?

    Currently, October is the cheapest month in which you can book a flight from Harrisburg to Denver (average of $197). Flying from Harrisburg to Denver in March is currently the most expensive (average of $278). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Westminster
Black Hawk
Winter Park
Lakewood
Greeley
Cripple Creek
Brighton
Silverthorne
Golden
Thornton
Frisco
Grand Lake
Manitou Springs
Central City
Fort Morgan
Glendale
Copper Mountain
Wheat Ridge
Longmont
Broomfield

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Alternative routes for Harrisburg to Denver

See prices for flight routes from nearby airports that may be better suited for you.
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Philadelphia to Hayden flights
Newark to Gunnison flights
LaGuardia to Hayden flights
Pittsburgh to Colorado Springs flights
Dulles Intl to Vail flights
Dulles Intl to Hayden flights
Reagan-National to Vail flights
LaGuardia to Gunnison flights
Philadelphia to Colorado Springs flights
Dulles Intl to Montrose flights
Dulles Intl to Grand Junction flights
Philadelphia to Aspen flights
Reagan-National to Grand Junction flights
Reagan-National to Hayden flights

Top 4 airlines flying from Harrisburg to Denver

Discover the top 4 airlines that operate flights from Harrisburg to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$140Average$254FlexibilityNo cancel feeOn-time62%
DeltaCheapest$268Average$348FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$268Average$409FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$278Average$440FlexibilityNo cancel feeOn-time69%

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