$100 Cheap Flights from Harrisburg (MDT) to Jacksonville (JAX)

View $100 flight on Sun, Aug 31, 2025Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key
Find available prices by choosing your travel dates.

Cheap Flights from Harrisburg to Jacksonville (MDT-JAX)

Prices were available within the past 7 days and start at $100 for one-way flights and $199 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, May 30 - Sat, May 31
MDT
Harrisburg
JAX
Jacksonville
$199 Roundtrip, found 1 day ago
$199
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, May 30 from Harrisburg to Jacksonville, returning Sat, May 31, priced at $199 found 1 day ago
Delta
Sat, May 24 - Thu, May 29
MDT
Harrisburg
JAX
Jacksonville
$199 Roundtrip, found 17 hours ago
$199
Roundtrip
found 17 hours ago
Select Delta flight, departing Sat, May 24 from Harrisburg to Jacksonville, returning Thu, May 29, priced at $199 found 17 hours ago
Delta
Thu, May 29 - Sat, May 31
MDT
Harrisburg
JAX
Jacksonville
$200 Roundtrip, found 3 days ago
$200
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, May 29 from Harrisburg to Jacksonville, returning Sat, May 31, priced at $200 found 3 days ago
Delta
Fri, May 30 - Sat, May 31
MDT
Harrisburg
JAX
Jacksonville
$202 Roundtrip, found 1 day ago
$202
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, May 30 from Harrisburg to Jacksonville, returning Sat, May 31, priced at $202 found 1 day ago
Delta
Wed, May 28 - Tue, Jun 17
MDT
Harrisburg
JAX
Jacksonville
$224 Roundtrip, found 16 hours ago
$224
Roundtrip
found 16 hours ago
Select Delta flight, departing Wed, May 28 from Harrisburg to Jacksonville, returning Tue, Jun 17, priced at $224 found 16 hours ago
United
Fri, May 30 - Sat, May 31
MDT
Harrisburg
JAX
Jacksonville
$227 Roundtrip, found 1 day ago
$227
Roundtrip
found 1 day ago
Select United flight, departing Fri, May 30 from Harrisburg to Jacksonville, returning Sat, May 31, priced at $227 found 1 day ago
Delta
Sun, Aug 31 - Wed, Sep 10
MDT
Harrisburg
JAX
Jacksonville
$229 Roundtrip, found 4 days ago
$229
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, Aug 31 from Harrisburg to Jacksonville, returning Wed, Sep 10, priced at $229 found 4 days ago
American Airlines
Fri, May 30 - Sat, May 31
MDT
Harrisburg
JAX
Jacksonville
$230 Roundtrip, found 1 day ago
$230
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, May 30 from Harrisburg to Jacksonville, returning Sat, May 31, priced at $230 found 1 day ago
American Airlines
Thu, May 29 - Sat, May 31
MDT
Harrisburg
JAX
Jacksonville
$236 Roundtrip, found 3 days ago
$236
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, May 29 from Harrisburg to Jacksonville, returning Sat, May 31, priced at $236 found 3 days ago
Delta
Fri, May 30 - Sat, May 31
MDT
Harrisburg
JAX
Jacksonville
$237 Roundtrip, found 1 day ago
$237
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, May 30 from Harrisburg to Jacksonville, returning Sat, May 31, priced at $237 found 1 day ago
Flights from Harrisburg (MDT) to Jacksonville (JAX)
Origin airport
Harrisburg Intl.
Destination airport
Jacksonville Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$198
Distance
725 mi

Harrisburg to Jacksonville Flights

The cheapest times to fly from Harrisburg to Jacksonville

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Harrisburg to Jacksonville are during the month of May. You can find some of the cheapest flights from Harrisburg to Jacksonville with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Harrisburg to Jacksonville

Sunday is one of the best days to book for cheap flights from Harrisburg to Jacksonville: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Harrisburg to Jacksonville

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Harrisburg to Jacksonville in 2025. You can also book with separate airlines for your outbound and return journeys, from $100 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Harrisburg to Jacksonville flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Harrisburg to Jacksonville airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Harrisburg Intl. Airport (MDT) to Jacksonville Intl. Airport (JAX) cost?
Discover the latest flight deals from MDT to JAX by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from MDT to JAX?
The cheapest flights from MDT to JAX are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from MDT to JAX?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from MDT to JAX. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Harrisburg Intl. Airport (MDT) to Jacksonville Intl. Airport (JAX)?
On average you can take your pick of 2 direct flights every week from Harrisburg Intl. Airport (MDT) to Jacksonville Intl. Airport (JAX). For greater flexibility, consider a flight with a layover. Simply enter your details on Expedia and then filter your search results to show one or two stops.
What are the most popular departure times for flights from Harrisburg Intl. Airport (MDT) to Jacksonville Intl. Airport (JAX)?
More passengers fly between MDT and JAX at 2 PM than at any other time. Looking to skip the crowds? Pick a flight outside the busiest times and it’s possible you’ll save on your ticket as well.
What day of the week has the most flights from MDT to JAX?
If you travel on a Friday, you’ll get the widest range of choices for flights from Harrisburg Intl. Airport (MDT) to Jacksonville Intl. Airport (JAX).
What is the earliest flight from Harrisburg Intl. Airport (MDT) to Jacksonville Intl. Airport (JAX)?
Harrisburg Intl. Airport (MDT)’s earliest flight to Jacksonville Intl. Airport (JAX) is at approximately 2:01PM UTC-5. With a travel duration of 2h 28m, you’ll touch down at around 4:29PM UTC-5.
How long does it take to fly from Harrisburg Intl. Airport (MDT) to Jacksonville Intl. Airport (JAX)?
Flights from MDT to JAX have an average travel time of 2 hours and 28 minutes. The total distance between these two airports is 730 mi.
What is the best time to fly from Harrisburg Intl. Airport (MDT) to Jacksonville Intl. Airport (JAX)?
Book a flight from Harrisburg Intl. Airport (MDT) to Jacksonville Intl. Airport (JAX) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Jacksonville from Harrisburg Intl. Airport (MDT)?
If you’re taking a direct flight from Harrisburg Intl. Airport (MDT) to Jacksonville, Jacksonville Intl. Airport (JAX) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Harrisburg Intl. Airport (MDT) to Jacksonville Intl. Airport (JAX) last-minute?
Holding off until right before your break to book a flight from MDT to JAX generally means paying more. While you might find some last-minute deals, they aren’t always guaranteed. Be flexible with your itinerary to maximize your chances of getting a bargain.
Is it cheaper to book a MDT to JAX flight and hotel package?
Compared with arranging hotels and flights separately, booking a MDT to JAX flight and hotel package with Expedia could result in significant savings. Better still, having it all in one place takes the hassle out of planning your trip. Simply pick your flights and choose from our extensive range of stays, then customize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Harrisburg Intl. Airport (MDT) to Jacksonville Intl. Airport (JAX)?
If you booked your MDT to JAX flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

Explore a world of travel with Expedia

*Available to One Key members.