Cheap Flights from Philadelphia to Austin starting at S$ 89

We've found these cheap flights for you. You can book one-way or return flight tickets.

Round-trip
One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Cheapest time to fly from Philadelphia to Austin

We monitor flight fares to help you find the best deals effortlessly

Cheapest flights

From price

23 30
Apr

30 6
6 13
13 20
20 27
May

27 4
4 11
11 18
18 25
Jun

25 1
1 8
8 15

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

When to buy flight tickets from Philadelphia (PHL) to Austin (AUS) the cheapest?

Airlines adjust prices for flights from Philadelphia to Austin based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much is a flight from Philadelphia (PHL) to Austin (AUS) cost?

According to Trip.com's data, the lowest price is around S$ 1,278.
How long is a flight from Philadelphia (PHL) to Austin (AUS)?

It takes about 3 hours 49 minutes to fly from Philadelphia (PHL) to Austin (AUS).
What time does the earliest flight from Philadelphia to Austin depart?

The earliest flight departs from Philadelphia (PHL) at 08:46 and arrives in Austin (AUS) at 11:45.
What time does the latest flight from Philadelphia to Austin depart?

The latest flight departs from Philadelphia (PHL) at 19:30 and arrives in Austin (AUS) at 22:29.
What are the most popular airlines that fly from Philadelphia (PHL) to Austin (AUS)?

Airlines with flights from Philadelphia (PHL) to Austin (AUS): American Airlines, IBERIA and Qatar Airways.
What's the most popular airline for direct flights from Philadelphia (PHL) to Austin (AUS)?

American Airlines operates 1 direct flights from Philadelphia (PHL) to Austin (AUS).
How many airports in Austin?

There are 1 airports near Austin: Austin-Bergstrom International Airport.

How to find a cheap flight from Philadelphia to Austin

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Philadelphia to Austin. Book your flights at the right time and save more.

Choose your dates flexibly and get the best deals on flights from Philadelphia to Austin.

Tap 'Date' on the flight search bar to browse the calendar for Philadelphia to Austin airfare over the next 6 months in 2025. If you're looking to fly within the next 3 months, the cheapest date seems to be Thu, May 22, with one-way flights starting at S$ 112.

Compare cheap flight deals from hundreds of airlines for Philadelphia to Austin flights.

Our extensive search lets you compare prices from over 500 airlines to find the cheapest flights from Philadelphia to Austin. The cheapest flight at the moment is with Frontier Airlines.

Set up a Price Alert

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Book early or wait for last-minute deals.

It's always better to book early. Flight tickets are often at their lowest when first released, usually a year ahead of departure. Keep an eye out as soon as your desired flights open for booking. If you miss the early deals, you may still find lower prices closer to your travel date.

Search for flights on the go.

For the best flight booking experience on the go, download Trip.com and search for cheap flights from Philadelphia to Austin to get your exclusive deals.

Find cheapest flight ticket from Philadelphia to Austin

Cheapest one-way flight price	S$ 88
Cheapest return ticket price	S$ 267
Off-season for travel	March
Peak season for travel	December
Flight distance	2,302.69km
Average flight time	3 hours 49 minutes
Popular airline	Frontier Airlines