$135 Cheap Flights from Harrisburg (MDT) to Philadelphia (PHL)

View $135 flight on Sat, Jul 26, 2025Opens in a new window

Popular airlines from Harrisburg Intl. Airport (MDT) to Philadelphia Intl. Airport (PHL)

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Cheap Flights from Harrisburg to Philadelphia (MDT-PHL)

Prices were available within the past 7 days and start at $135 for one-way flights and $266 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Aug 22 - Sun, Aug 24
MDT
Harrisburg
PHL
Philadelphia
$266 Roundtrip, found 2 hours ago
$266
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Fri, Aug 22 from Harrisburg to Philadelphia, returning Sun, Aug 24, priced at $266 found 2 hours ago
American Airlines
Fri, Aug 22 - Sat, Aug 23
MDT
Harrisburg
PHL
Philadelphia
$325 Roundtrip, found 2 hours ago
$325
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Fri, Aug 22 from Harrisburg to Philadelphia, returning Sat, Aug 23, priced at $325 found 2 hours ago
American Airlines
Fri, Aug 22 - Sun, Aug 24
MDT
Harrisburg
PHL
Philadelphia
$326 Roundtrip, found 2 hours ago
$326
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Fri, Aug 22 from Harrisburg to Philadelphia, returning Sun, Aug 24, priced at $326 found 2 hours ago
American Airlines
Sat, Aug 23 - Sun, Aug 24
MDT
Harrisburg
PHL
Philadelphia
$329 Roundtrip, found 2 hours ago
$329
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sat, Aug 23 from Harrisburg to Philadelphia, returning Sun, Aug 24, priced at $329 found 2 hours ago
American Airlines
Fri, Jul 11 - Sat, Jul 12
MDT
Harrisburg
PHL
Philadelphia
$339 Roundtrip, found 3 days ago
$339
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Jul 11 from Harrisburg to Philadelphia, returning Sat, Jul 12, priced at $339 found 3 days ago
American Airlines
Fri, Jul 18 - Sat, Jul 19
MDT
Harrisburg
PHL
Philadelphia
$379 Roundtrip, found 2 days ago
$379
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Jul 18 from Harrisburg to Philadelphia, returning Sat, Jul 19, priced at $379 found 2 days ago
American Airlines
Sat, Aug 30 - Wed, Sep 10
MDT
Harrisburg
PHL
Philadelphia
$381 Roundtrip, found 3 days ago
$381
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Aug 30 from Harrisburg to Philadelphia, returning Wed, Sep 10, priced at $381 found 3 days ago
American Airlines
Thu, Sep 4 - Mon, Sep 8
MDT
Harrisburg
PHL
Philadelphia
$385 Roundtrip, found 3 days ago
$385
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Sep 4 from Harrisburg to Philadelphia, returning Mon, Sep 8, priced at $385 found 3 days ago
United
Fri, Jul 11 - Thu, Jul 17
MDT
Harrisburg
PHL
Philadelphia
$477 Roundtrip, found 3 days ago
$477
Roundtrip
found 3 days ago
Select United flight, departing Fri, Jul 11 from Harrisburg to Philadelphia, returning Thu, Jul 17, priced at $477 found 3 days ago
Delta
Sat, Aug 30 - Wed, Sep 10
MDT
Harrisburg
PHL
Philadelphia
$539 Roundtrip, found 3 days ago
$539
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Aug 30 from Harrisburg to Philadelphia, returning Wed, Sep 10, priced at $539 found 3 days ago

Find the cheapest month to fly from Harrisburg (MDT) to Philadelphia (PHL)

November is typically the cheapest month to fly

From $281 - $703 per traveler.

Graph displaying average flight prices per month

0
Flights from Harrisburg (MDT) to Philadelphia (PHL)
Origin airport
Harrisburg Intl.
Destination airport
Philadelphia Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$258
Distance
83 mi

Harrisburg to Philadelphia Flights

The cheapest times to fly from Harrisburg to Philadelphia

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 Philadelphia are during the month of August. You can find some of the cheapest flights from Harrisburg to Philadelphia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Harrisburg to Philadelphia

Sunday is one of the best days to book for cheap flights from Harrisburg to Philadelphia: 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 Philadelphia

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 Philadelphia in 2025. You can also book with separate airlines for your outbound and return journeys, from $135 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 Philadelphia 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 Philadelphia 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 Philadelphia Intl. Airport (PHL) cost?
You'll find cheap return fares from Harrisburg Intl. Airport (MDT) to Philadelphia Intl. Airport (PHL) starting at $401. Snag a seat and take off on your trip. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a American Airlines flight leaving MDT on July 1 2025 and touching down at PHL. The price was last updated on June 25 2025 and has not changed since.
What is the cheapest month to fly from MDT to PHL?
To land a cheap fare, check for direct flights from MDT to PHL that depart in September. You can find a one-way American Airlines flight for $235 leaving on September 30 2025. This price is based on the cheapest direct flight found on Expedia for this route in the next 330 days. The price was last updated on June 25 2025 and remains unchanged.
Which airlines fly direct from Harrisburg Intl. Airport (MDT) to Philadelphia Intl. Airport (PHL)?
When heading out of Harrisburg Intl. Airport (MDT), you can get on a direct flight to Philadelphia Intl. Airport (PHL) with American Airlines.
What is the cheapest airline that flies from MDT to PHL?
With fares starting at $381 for a one-way journey from MDT to PHL, American Airlines is currently the cheapest airline for this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from MDT on September 16 2025. Prices were last updated on June 25 2025 and have not changed since.
How many flights per day from Harrisburg Intl. Airport (MDT) to Philadelphia Intl. Airport (PHL)?
With, on average, 2 nonstop flights departing from Harrisburg Intl. Airport (MDT) to Philadelphia Intl. Airport (PHL) every day, you'll be soaring through the skies in no time.
What are the most popular departure times for flights from Harrisburg Intl. Airport (MDT) to Philadelphia Intl. Airport (PHL)?
The 6 AM departures from MDT to PHL are the busiest. Greater demand means you'll likely pay more for these departures. If you want to save on your fare, choose a less crowded time to fly.
What day of the week has the most flights from MDT to PHL?
Depart on a Friday if you're searching for the biggest selection of flights from Harrisburg Intl. Airport (MDT) to Philadelphia Intl. Airport (PHL).
What is the earliest flight from Harrisburg Intl. Airport (MDT) to Philadelphia Intl. Airport (PHL)?
Harrisburg Intl. Airport (MDT)'s first flight to Philadelphia Intl. Airport (PHL) takes off at approximately 6:39AM UTC-5. With a travel duration of 59m, you'll touch down at around 7:38AM UTC-5.
How long does it take to fly from Harrisburg Intl. Airport (MDT) to Philadelphia Intl. Airport (PHL)?
The average flight time from MDT to PHL is 57 minutes, covering a total distance of 85 mi.
What airline has the least delays from MDT to PHL?
Consider booking with American Airlines if you'd like to fly straight from Harrisburg Intl. Airport (MDT) to Philadelphia Intl. Airport (PHL) without any interruptions. This airline has the strongest track record for punctuality, with an on-time score of 80%. Want to be notified if anything changes? You can check your flight status using the Expedia App.
What is the best time to fly from Harrisburg Intl. Airport (MDT) to Philadelphia Intl. Airport (PHL)?
To avoid possible delays on the Harrisburg Intl. Airport (MDT) to Philadelphia Intl. Airport (PHL) route, fly before 3 PM. Departures after this time are 22% more likely to be canceled.**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 Philadelphia from Harrisburg Intl. Airport (MDT)?
Philadelphia Intl. Airport (PHL) is the only airport in Philadelphia with direct flights from Harrisburg Intl. Airport (MDT). Compare your options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Harrisburg Intl. Airport (MDT) to Philadelphia Intl. Airport (PHL) last-minute?
Last-minute fares from MDT to PHL are typically more expensive. To secure the best prices, start looking for flights as soon as possible. That being said, if you're flexible with your travel plans, you may find a cheap ticket right before your journey.
Is it cheaper to book a MDT to PHL flight and hotel package?
Compared with arranging hotels and flights separately, booking a MDT to PHL flight and hotel package with Expedia could result in significant savings. Better yet, having it all in one place takes the hassle out of planning your trip. Just secure your flights and choose from our extensive range of stays, then personalize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Harrisburg Intl. Airport (MDT) to Philadelphia Intl. Airport (PHL)?
If you reserved your MDT to PHL 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 fare 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 for more information.

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