Cheap flights from Philadelphia to Austin from $86

The cheapest month to fly to Austin from Philadelphia is in August. Flight prices, which tend to average around $218, are often lower during this time because this is during the off-season. If you’re not able to fly to Austin in August, then September is your next best option. Flight prices from Philadelphia to Austin during September average around $232.

The cheapest day to depart on your flight to Austin is on a Thursday when prices can be found for as low as $334. This is often the case because there is less demand to fly during this day of the week. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Philadelphia to Austin for around $438.

In the afternoon is the cheapest time of day to fly from Philadelphia to Austin when you can find flight prices for as low as $310. Flying to Austin in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Austin are more costly in the evening, with an average ticket price of $415. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Austin from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Austin for around $375 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Austin from Philadelphia for as low as $280 on momondo.

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

As of May 2026, prices for Philadelphia to Austin flights are approximately 20% more expensive when compared to flights at the same time last year.

Southwest and JetBlue are the most popular carriers operating from Philadelphia to Austin Bergstrom

American Airlines, United Airlines and Spirit Airlines are the top three most popular airlines that fly to Austin from Philadelphia according to our data. American Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Austin. Keep in mind that there are 7 different airlines that fly to Austin on a routine basis, so you have a few additional options to choose from.

The number of flights available between Philadelphia and Austin is 3 per day as of May 2026. The most frequent departure time is 5:00PM, with 56% of daily flights leaving at noon.

As of May 2026, there are 25 flights per week flying from Philadelphia to Austin. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.