Cheap flights from Austin to Philadelphia from $70

The cheapest month to fly to Philadelphia from Austin is in October. Flight prices, which tend to average around $261, 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 Austin averaging around $271.

The cheapest day to depart from Austin to Philadelphia is on a Thursday. Travelers who choose to depart for Philadelphia on a Thursday will often find tickets for as low as $415. On the other hand, Sunday is the most expensive day to depart from Austin because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $832.

According to our data, the cheapest time of day to fly to Philadelphia is in the evening. momondo users have found flights departing from Austin to Philadelphia in the evening for as low as $214. 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 $1,013.

Fly from Austin Bergstrom to Philadelphia for the best Austin Bergstrom - Philadelphia flight prices

You are more likely to see cheaper flights to Philadelphia from Austin when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $397 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Austin for as low as $292 on momondo.

There are 4 cabin classes available to choose from on Austin to Philadelphia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Austin to Philadelphia.

As of April 2026, prices for Austin to Philadelphia flights are approximately 16% more expensive when compared to flights at the same time last year.

Frontier is the most popular carrier operating from Austin Bergstrom to Philadelphia

American Airlines, United Airlines and Spirit Airlines are the top three most popular airlines that fly to Philadelphia from Austin according to our data. American Airlines is the first choice among our users, with 37% 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.

Fort Lauderdale (FLL) was the most common stop: 30% of momondo users choosing 1-stop flights on this route connected there.

Flights via Fort Lauderdale (FLL) offer the lowest average round-trip price of $156.

Flights connecting via St. Louis (STL) have the shortest average one-way travel time: 4h 55m.

St. Louis (STL) has the shortest average layover time for this route: 0h 43m.

The number of flights available between Austin and Philadelphia is 4 per day as of April 2026. The most frequent departure time is 2:00PM, with 75% of daily flights leaving in the afternoon.

As of April 2026, 32 flights take off from Austin and land in Philadelphia each week. The most common flight departure day for this route is Mon, with 19% of weekly flights taking off on this day.