Cheap flights from Atlanta to Philadelphia from $76

The cheapest month to fly to Philadelphia from Atlanta is in August. Flight prices, which tend to average around $159, are often lower during this time because this is during the off-season. The month of September is another great option to travel to Philadelphia, with average flight prices from Atlanta averaging around $171.

The cheapest day to depart from Atlanta to Philadelphia is on a Thursday. Travelers who choose to depart for Philadelphia on a Thursday will often find tickets for as low as $228. On the other hand, Sunday is the most expensive day to depart from Atlanta because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $298.

According to our data, the cheapest time of day to fly to Philadelphia is in the evening. momondo users have found flights departing from Atlanta to Philadelphia in the evening for as low as $190. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Philadelphia is at noon when prices are around $298.

Fly from Atlanta Hartsfield-Jackson to Philadelphia for the best Atlanta Hartsfield-Jackson - Philadelphia flight prices

You are more likely to see cheaper flights to Philadelphia from Atlanta when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $219 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Atlanta for as low as $181 on momondo.

Southwest is the most popular carrier operating from Atlanta Hartsfield-Jackson to Philadelphia

Frontier, Delta and American Airlines are the top three most popular airlines that fly to Philadelphia from Atlanta according to our data. Frontier is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Philadelphia. Keep in mind that there are 7 different airlines that fly to Philadelphia on a routine basis, so you have a few additional options to choose from.

Historically, on average around 21% of flights between Atlanta and Philadelphia have experienced a delay on any given week. The average delay length over the past 12 months has been 127 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, American Airlines have had the least number of delays on this route over the last 12 months; with about 16% of their flights experiencing any sort of delay.

The number of flights available between Atlanta and Philadelphia is 42 per day as of May 2026. The most frequent departure time is 10:00PM, with 43% of daily flights leaving in the evening.

297 flights are operational weekly from Atlanta to Philadelphia as of May 2026. The most popular departure day for this route is Sun, with 19% of flights per week taking off on this day.