Cheap Flights from Philadelphia to Austin

Frequently Asked Questions

• What are the cheapest flights from Philadelphia to Austin (PHL-AUS)?

  Based on Trip.com data, Frontier Airlines offers one-way fares as low as US$41 on Cheapest nonstop routes (e.g. PHL to AUS on Mon, Oct 13), while Frontier Airlines offers Cheapest nonstop round-trips from US$159 departing on Mon, Oct 13 and returning on Sun, Oct 19.

• Which airlines offer direct flights from Philadelphia to Austin?

  At the moment, you can catch a nonstop flight from Philadelphia to Austin with the following airlines, including: Frontier Airlines American Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long does it take to fly from Philadelphia (PHL) to Austin (AUS) and what is the distance?

  It takes around 3 hours 57 minutes to fly from Philadelphia (PHL) to Austin (AUS).

• When is the best time to book flights from Philadelphia to Austin?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Philadelphia to Austin is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from Philadelphia to Austin?

  To find best deals on flights from Philadelphia to Austin, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Mon, Oct 13, with one-way flights priced at just US$41.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Frontier Airlines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Austin travel is around June.
  · Get exclusive promo codes for Trip.com app users.

• Which upcoming date is cheapest to fly from Philadelphia to Austin on?

  After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Philadelphia to Austin on September 11, 2025 with Frontier Airlines, with prices starting at $91.

• Which airports can I fly to for Austin from Philadelphia?

  You can land at any one of the following hubs in Austin, with Philadelphia International Airport to Austin–Bergstrom International Airport (PHL-AUS) is by far the most common option on this route: Austin–Bergstrom International Airport (AUS).

• Is there any time difference between Philadelphia and Austin?

  The time difference between Austin and Philadelphia is 1h.

• How do I change or cancel my ticket from Philadelphia to Austin?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.