A river with a long bridge spanning across it, surrounded by a cityscape with buildings and hills in the background.

$303 Cheap Flights from Denver (DEN) to Harrisburg (MDT)

Popular airlines from Denver Intl. Airport (DEN) to Harrisburg Intl. Airport (MDT)

  • Be in the know

    Get alerts if flight prices drop or rise*
  • Book smarter

    Save up to 30% on select hotels after you book a flight*
  • Earn twice

    Earn your airline miles on top of our OneKeyCash

Cheap Flights from Denver to Harrisburg (DEN-MDT)

Prices were available within the past 7 days and start at $303 for one-way flights and $313 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
United
American Airlines
United
United
Delta
American Airlines
Delta
United
United

Alternative airports near Harrisburg

Prices were available within the past 7 days. Prices and availability are subject to change.

Find the cheapest month to fly from Denver (DEN) to Harrisburg (MDT)

February is typically the cheapest month to fly

From $182 - $466 per traveler.

What you need to know for your flight from Denver Intl. to Harrisburg Intl.

Denver (DEN) to Harrisburg (MDT) at a glance

Explore a variety of airlines offering flights from Denver International Airport (DEN) to Harrisburg International Airport (MDT) on this domestic short-haul route. Whether you prefer full-service or budget-friendly options, you can easily compare choices to find the best itinerary that suits your budget and schedule. As you plan your trip, take the opportunity to discover Harrisburg's iconic sights and charming neighborhoods while checking for the latest deals on flights and Denver to Harrisburg airfare.

  • Fastest flight duration: around 4h 30m in-flight, plus roughly 1h 30m layover with one stop
  • Route distance: roughly 1,500 miles (2,410 km)
  • Flights per week: around 13 departures on average
  • Typical fares (one-way): economy tickets often range from $135–$475, depending on seasonality and how far ahead you book

Flights from Denver International Airport (DEN) to Harrisburg International Airport (MDT)

Based on the latest traveler bookings, here are the top airlines favored for flights from Denver to Harrisburg, typically featuring one-stop service. Common layover points include O'Hare International Airport (ORD) with a layover of about 1 hour and 30 minutes, Philadelphia International Airport (PHL) at approximately 1 hour and 15 minutes, and Washington Dulles International Airport (IAD), also around 1 hour and 15 minutes. This variety allows you to mix and match options based on price, total travel time, and cabin class to find the ideal itinerary.

  • American Airlines: This comprehensive airline provides one-stop flights, with one-way prices usually between $135 and $460. It represents about 51% of the departures for this route, offering an in-flight duration of 4 hours and 30 minutes, leading to an overall journey time of approximately 6 hours and 15 minutes (including layover).
  • United: Another full-service option, United offers one-stop service, with one-way fares generally ranging from $145 to $515. This airline accounts for around 34% of the departures on this route, featuring a flight time of 4 hours and 30 minutes and a total travel time of about 6 hours and 15 minutes (including layover).
  • Delta: Delta serves as a full-service carrier with one-stop flights, with one-way fares typically varying from $135 to $570. This airline comprises roughly 11% of the route's departures, providing an in-flight duration of 4 hours and 30 minutes, resulting in a total journey time of about 6 hours and 15 minutes (including layover).
  • Frontier Airlines: As a low-cost carrier, Frontier offers one-stop services with one-way fares generally between $135 and $240. It makes up around 3% of departures on this route, featuring an in-flight time of 4 hours and 30 minutes and a total travel duration of approximately 6 hours and 15 minutes (including layover).

Best time to fly from Denver (DEN) to Harrisburg (MDT)

The most popular months for travelers flying from Denver to Harrisburg are January, March, and August, when peak temperatures in Harrisburg reach up to 72.9°F in August. If you prefer quieter travel, consider September, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 66.2°F. For better deals, May usually offers the lowest average one-way fare around $238. Flight availability peaks in May, with approximately 16 flights per week, making it easier to find convenient departure times. January, February, March, and April have the fewest flights, with approximately 11 flights per week.

  • Cheapest time to fly: May usually offers good deals with average one-way fare around $238, roughly 14% cheaper than the yearly average.
  • More budget-friendly months to fly: August and September typically offer average one-way fares roughly ranging from $247 to $259.
  • Most flight options: May has the highest number of flights from Denver to Harrisburg, with approximately 16 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January29.8°F (-1.2°C)Slightly High11$279
February32.2°F (0.1°C)Average11$289
March40.3°F (4.6°C)Slightly High11$302
April51.3°F (10.7°C)Average11$293
May61.3°F (16.3°C)Average16$238
June69.6°F (20.9°C)Average15$271
July75.2°F (24.0°C)Average12$264
August72.9°F (22.7°C)Slightly High14$247
September66.2°F (19.0°C)Slightly Low15$259
October55.0°F (12.8°C)Average14$286
November42.8°F (6.0°C)Slightly Low13$314
December35.6°F (2.0°C)Slightly Low13$275

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Denver (DEN) to Harrisburg (MDT)

  • Colorado Springs to Harrisburg (COS-MDT): Colorado Springs Airport (COS) is located roughly 73 miles from Denver International Airport (DEN). One-way economy ticket prices on this route generally fall between $135 and $485, influenced by the season and how far in advance you book. Travelers can find both one-stop and multi-stop flight options, with common layover points being O'Hare International Airport (ORD) and Dallas-Fort Worth International Airport (DFW). Major airlines operating this route include United and American Airlines, with first class available as well.

How to find the best prices for flights from Denver (DEN) to Harrisburg (MDT)

Getting some of the best deals on flights from Denver to Harrisburg is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Early morning flights (12am-5am) often offer lower prices, while morning flights (5am-12pm) are the most popular. Additionally, flying on Saturday generally results in cheaper fares, although Thursday is the most sought-after travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Harrisburg hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Harrisburg International Airport from Denver International Airport

Harrisburg welcomes travelers from Denver with a range of transport options based on price, convenience, and proximity. Harrisburg city center is approximately a 15-minute drive (covering about 12 miles) from Harrisburg International Airport, depending on traffic. Here's how to reach Harrisburg efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Harrisburg, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Harrisburg International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Harrisburg International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Harrisburg International Airport, Middletown Station, a train station, is located about 1.8 miles away by car, providing convenient access for travelers.

Frequently asked questions

How much does a flight from Denver, CO (DEN-Denver Intl.) to Harrisburg, PA (MDT-Harrisburg Intl.) cost?
You can find cheap one-way flights from $303 and cheap return flights from $313 Denver, CO (DEN-Denver Intl.) to Harrisburg, PA (MDT-Harrisburg Intl.) with Expedia. One-way flights generally range between $234 and $951, and roundtrip flights usually range from $414 to $1442. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Denver, CO (DEN-Denver Intl.) to Harrisburg, PA (MDT-Harrisburg Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Denver, CO (DEN-Denver Intl.) to Harrisburg, PA (MDT-Harrisburg Intl.)?
January is the cheapest month to fly from Denver, CO (DEN) to Harrisburg, PA (MDT), with average return fares around $401. This is about 13% lower than the average price throughout the year, as travel demand decreases after the holiday season. Other cheap months to fly from Denver to Harrisburg include August and September.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Denver, CO (DEN-Denver Intl.) to Harrisburg, PA (MDT-Harrisburg Intl.)?
Enter DEN to MDT and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Denver, CO (DEN-Denver Intl.) to Harrisburg, PA (MDT-Harrisburg Intl.)?
Frontier Airlines is one of the cheapest airlines offering connecting flights from Denver, CO (DEN) to Harrisburg, PA (MDT), with round-trip tickets starting from around $634. This flight includes a layover in Hopkins Intl. (CLE). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Denver, CO (DEN-Denver Intl.) to Harrisburg, PA (MDT-Harrisburg Intl.)?
To find a cheap flight from Denver, CO (DEN-Denver Intl.) to Harrisburg, PA (MDT-Harrisburg Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Denver, CO (DEN-Denver Intl.) to Harrisburg, PA (MDT-Harrisburg Intl.)?
For flights from Denver, CO (DEN) to Harrisburg, PA (MDT), the best times to fly are in January and August. Both months offer return flights at approximately $401, making them the most affordable choices. January is particularly appealing as it follows the holiday rush, while August allows you to enjoy summer activities before the school year begins.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Denver, CO (DEN-Denver Intl.) to Harrisburg, PA (MDT-Harrisburg Intl.)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from DEN to MDT. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Denver, CO (DEN-Denver Intl.) to Harrisburg, PA (MDT-Harrisburg Intl.)?
The most popular departure times for flights from Denver, CO (DEN-Denver Intl.) to Harrisburg, PA (MDT-Harrisburg Intl.) are in the morning, from 6am to 9am. About 34% of passengers prefer this time window. Many major carriers, including American Airlines, United Airlines and United Airlines, offer flights during this window. This timing is favored as it allows you to start your day early and arrive in Harrisburg with plenty of time to enjoy your destination.
How long does it take to fly from Denver, CO (DEN-Denver Intl.) to Harrisburg, PA (MDT-Harrisburg Intl.)?
A flight from DEN to MDT with a layover takes around 5 hours 50 minutes, with the route covering approximately 1,471 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Denver, CO (DEN-Denver Intl.) to Harrisburg, PA (MDT-Harrisburg Intl.)?
You can fly first class between DEN and MDT. First class cabins are available on:

  • United Airlines
  • Delta Air Lines
  • American Airlines

How do I earn miles on a Denver, CO (DEN-Denver Intl.) to Harrisburg, PA (MDT-Harrisburg Intl.) flight with Expedia?
It's easy to earn miles on a Denver, CO (DEN-Denver Intl.) to Harrisburg, PA (MDT-Harrisburg Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Harrisburg from Denver Intl. (DEN)?
From Denver Intl. (DEN), you can fly into Harrisburg Intl. (MDT) to reach Harrisburg. Some flights may connect through major hubs like Sky Harbor Intl. (PHX), Eppley Field (OMA), Minneapolis - St. Paul Intl. (MSP) before reaching Harrisburg. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Denver, CO (DEN-Denver Intl.) to Harrisburg, PA (MDT-Harrisburg Intl.) at the last minute?
Typically, booking a last minute flight from Denver, CO (DEN-Denver Intl.) to Harrisburg, PA (MDT-Harrisburg Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Denver, CO (DEN-Denver Intl.) to Harrisburg, PA (MDT-Harrisburg Intl.) flight and hotel package?
Securing a Denver, CO (DEN-Denver Intl.) to Harrisburg, PA (MDT-Harrisburg Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Denver, CO (DEN-Denver Intl.) to Harrisburg, PA (MDT-Harrisburg Intl.)?
If you booked your Denver, CO (DEN-Denver Intl.) to Harrisburg, PA (MDT-Harrisburg Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Denver Intl.
Destination airport
Harrisburg Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$312
Distance
1471 mi

Book with confidence

*Flight schedules are subject to change.

*Available to One Key members.

 

Explore a world of travel with Expedia