Cheap flights from Philadelphia to Charleston from $108

The cheapest month to fly to Charleston from Philadelphia is in September. Flight prices, which tend to average around $239, are often lower during this time because this is during the off-season. The month of August is another great option to travel to Charleston, with average flight prices from Philadelphia averaging around $266.

The cheapest day to depart from Philadelphia to Charleston is on a Tuesday. Travelers who choose to depart for Charleston on a Tuesday will often find tickets for as low as $311. The most expensive day to fly to Charleston is Sunday, with ticket prices averaging around $368.

The cheapest time of day to fly to Charleston is in the morning when flights can be purchased for as low as $300. In the afternoon is when there is more demand to fly to Charleston, so prices are often more expensive at around $370 per ticket.

Fly from Philadelphia to Charleston for the best Philadelphia - Charleston flight prices

You are more likely to see cheaper flights to Charleston from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Charleston for around $343 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Charleston from Philadelphia for as low as $260 on momondo.

You could potentially save up to 52% on your flight if you consider stops on a Philadelphia to Charleston flight.

As of May 2026, prices for Philadelphia to Charleston flights are approximately 271% more expensive when compared to flights at the same time last year.

Southwest is the most popular carrier operating from Philadelphia to Charleston

Spirit Airlines, American Airlines and United Airlines are the top three most popular airlines that fly to Charleston from Philadelphia according to our data. Spirit Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Charleston. Keep in mind that there are 10 different airlines that fly to Charleston on a routine basis, so you have a few additional options to choose from.

Boston (BOS) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

Flights via Boston (BOS) offer the lowest average round-trip price of $252.

Flights connecting via Charlotte (CLT) have the shortest average one-way travel time: 4h 34m.

Charlotte (CLT) has the shortest average layover time for this route: 1h 08m.

As of May 2026, 6 flights take off from Philadelphia and land in Charleston each day. The most common flight departure time for this route is 8:00PM, with 40% of daily flights taking off in the evening.

As of May 2026, 48 flights take off from Philadelphia and land in Charleston each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.