Cheap flights from Louisville to Pennsylvania from $38

The month of June is, on average, the cheapest month to fly to Pennsylvania from Louisville, with most prices found around $377. If you don’t want to visit Pennsylvania in June, then you should wait until May to fly from Louisville, when ticket prices are also cheap, with an average price of $423.

The cheapest day to depart on your flight to Pennsylvania is on a Saturday when prices can be found for as low as $490. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $758. These prices are subject to change though, so be sure to set up a Price Alert for flights to Pennsylvania.

Our most recent data shows that the best time of day to fly to Pennsylvania is in the morning. Flights from Louisville to Pennsylvania during this time can be as low as $488. In contrast, the most expensive time of day to depart to Pennsylvania is in the afternoon when prices are around $953.

Fly from Louisville Intl to Philadelphia for the best Louisville Intl - Pennsylvania flight prices

You are more likely to see cheaper flights to Pennsylvania from Louisville when booking weeks ahead of your departure date. In general, you can expect to find flights to Pennsylvania for around $520 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Pennsylvania from Louisville for as low as $331 on momondo.

There are 3 cabin classes available to choose from on Louisville Intl to Pennsylvania flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Breeze Airways, Spirit Airlines, and Southwest are the most popular carriers operating from Louisville Intl to Pennsylvania

American Airlines, Frontier and United Airlines are the top three most popular airlines that fly to Pennsylvania from Louisville according to our data. American Airlines is the first choice among our users, with 72% of people opting to fly with this airline when traveling to Pennsylvania. Keep in mind that there are 6 different airlines that fly to Pennsylvania on a routine basis, so you have a few additional options to choose from.

The number of flights available between Louisville and Pennsylvania is 21 per day as of February 2026. The most frequent departure time is 11:00AM, with 100% of daily flights leaving at noon.

The number of flights available between Louisville and Pennsylvania is 150 per week as of February 2026. The most frequent departure day is Tue, with 18% of weekly flights leaving on this day.