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Find cheap one-way flights from Philadelphia to Austin starting at US$53.

For as little as US$53, you can take your next adventure to Austin without breaking the bank. Choose between one-way and return tickets from Philadelphia below.

  • One way
  • Round-trip
      • Cheapest nonstop
        PHL10:40
        4h 14m
        Nonstop
        AUS13:54
        Tue, Jan 7|Philadelphia - Austin|American Airlines
        US$138US$165
        16% OFF
        16% OFF
        US$165US$138

        Choose American Airlines flights from Philadelphia to Austin.The one-way direct flight with American Airlines departs from Philadelphia International Airport on Tue, Jan 7, arriving at Austin–Bergstrom International Airport.One-way Prices start from US$138 including taxes and charges.

      • PHL19:05
        4h 19m
        Nonstop
        AUS22:24
        Wed, Feb 12|Philadelphia - Austin|American Airlines
        US$146US$165
        11% OFF
        11% OFF
        US$165US$146

        Choose American Airlines flights from Philadelphia to Austin.The one-way direct flight with American Airlines departs from Philadelphia International Airport on Wed, Feb 12, arriving at Austin–Bergstrom International Airport.One-way Prices start from US$146 including taxes and charges.

      • PHL08:15
        9h 27m
        1 stop
        AUS16:42
        Sat, Mar 1|Philadelphia - Austin|Frontier Airlines
        US$53US$165
        68% OFF
        68% OFF
        US$165US$53

        Choose Frontier Airlines flights from Philadelphia to Austin.The one-way connecting flight with Frontier Airlines departs from Philadelphia International Airport on Sat, Mar 1, arriving at Austin–Bergstrom International Airport.One-way Prices start from US$53 including taxes and charges.

      • PHL21:53
        19h 13m
        1 stop
        AUS16:06
        Thu, Jan 23|Philadelphia - Austin|Frontier Airlines
        US$59
        US$59

        Choose Frontier Airlines flights from Philadelphia to Austin.The one-way connecting flight with Frontier Airlines departs from Philadelphia International Airport on Thu, Jan 23, arriving at Austin–Bergstrom International Airport.One-way Prices start from US$59 including taxes and charges.

      • PHL08:26
        10h 5m
        1 stop
        AUS17:31
        Thu, Feb 27|Philadelphia - Austin|Frontier Airlines
        US$59
        US$59

        Choose Frontier Airlines flights from Philadelphia to Austin.The one-way connecting flight with Frontier Airlines departs from Philadelphia International Airport on Thu, Feb 27, arriving at Austin–Bergstrom International Airport.One-way Prices start from US$59 including taxes and charges.

      • PHL07:45
        9h 36m
        1 stop
        AUS16:21
        Wed, Feb 26|Philadelphia - Austin|Frontier Airlines
        US$60
        US$60

        Choose Frontier Airlines flights from Philadelphia to Austin.The one-way connecting flight with Frontier Airlines departs from Philadelphia International Airport on Wed, Feb 26, arriving at Austin–Bergstrom International Airport.One-way Prices start from US$60 including taxes and charges.

      • PHL16:34
        7h 58m
        1 stop
        AUS23:32
        Mon, Feb 24|Philadelphia - Austin|Frontier Airlines
        US$61
        US$61

        Choose Frontier Airlines flights from Philadelphia to Austin.The one-way connecting flight with Frontier Airlines departs from Philadelphia International Airport on Mon, Feb 24, arriving at Austin–Bergstrom International Airport.One-way Prices start from US$61 including taxes and charges.

      • PHL07:30
        9h 54m
        1 stop
        AUS16:24
        Mon, Jan 6|Philadelphia - Austin|Frontier Airlines
        US$75
        US$75

        Choose Frontier Airlines flights from Philadelphia to Austin.The one-way connecting flight with Frontier Airlines departs from Philadelphia International Airport on Mon, Jan 6, arriving at Austin–Bergstrom International Airport.One-way Prices start from US$75 including taxes and charges.

      • PHL08:21
        10h 10m
        1 stop
        AUS17:31
        Mon, Mar 3|Philadelphia - Austin|Frontier Airlines
        US$77
        US$77

        Choose Frontier Airlines flights from Philadelphia to Austin.The one-way connecting flight with Frontier Airlines departs from Philadelphia International Airport on Mon, Mar 3, arriving at Austin–Bergstrom International Airport.One-way Prices start from US$77 including taxes and charges.

      • PHL08:31
        10h
        1 stop
        AUS17:31
        Tue, Mar 4|Philadelphia - Austin|Frontier Airlines
        US$81
        US$81

        Choose Frontier Airlines flights from Philadelphia to Austin.The one-way connecting flight with Frontier Airlines departs from Philadelphia International Airport on Tue, Mar 4, arriving at Austin–Bergstrom International Airport.One-way Prices start from US$81 including taxes and charges.

      • PHL01:00 pm
        3h 5m
        Nonstop
        AUS02:00 pm
        Sun, Jan 12|Philadelphia - Austin|American Airlines
        Find More Flights
        Find More Flights

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

When is the cheapest time to book flights from Philadelphia to Austin?

Price trend charts are a great way of tracking how much your flights cost in the lead up to departure and can help you choose when to book your tickets. See how prices to Austin from Philadelphia have changed and are set to move below.

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

Cheapest airlines flights from Philadelphia to Austin

Compare prices from various providers below to understand which option best suits your travel needs, before enjoying a comfortable journey with a trusted airline from Philadelphia to Austin.

Frontier Airlines
From US$53
United Airlines
From US$129
Delta Air Lines
From US$130
American Airlines
From US$138
Southwest Airlines
From US$150
Alaska Airlines
From US$192
Jetblue Airways
From US$292
Spirit Airlines
From US$347

Find more flights and airlines

Find cheap flights from Philadelphia to Austin by different airports

There are various non-direct routes from Philadelphia to Austin which could be cheaper and faster! Check out these alternative options to see if they could work for your trip.

  • Cheapest
    Frontier Airlines
    PHL
    08:15
    9h 27m
    1 transfer
    AUS
    16:42
    Philadelphia International Airport - Austin-Bergstrom International Airport
    Sat, Mar 1Frontier Airlines
    US$53
  • Frontier Airlines
    TTN
    11:27
    28h 42m
    2 transfer
    AUS
    15:09
    Trenton Mercer Airport - Austin-Bergstrom International Airport
    Mon, Jan 13Frontier Airlines
    US$111
  • Frontier Airlines
    TTN
    11:27
    28h 42m
    2 transfer
    AUS
    15:09
    Trenton Mercer Airport - Austin-Bergstrom International Airport
    Mon, Jan 13Frontier Airlines
    US$111
    Find More Flights

Frequently Asked Questions

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

    Airlines adjust prices for flights from Philadelphia to Austin based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Philadelphia (PHL) to Austin (AUS) cost?

    According to Trip.com's data, the lowest price is around $409.

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

    It takes around 4 hours 6 minutes to fly from Philadelphia (PHL) to Austin (AUS).

  • 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, Qatar Airways and Iberia.

How to find a cheap flight from Philadelphia to Austin

If you leave it until the last minute and forget to check some of the key information when booking tickets, prices can often end up skyrocketing. Below, you can find our top tips for getting the best value flights – from changing dates to chasing deals, there are plenty ways to keep your next trip affordable.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Philadelphia to Austin Flight Information

Cheapest nonstop flight price$53
Cheapest round-trip ticket price$238
Off-season for travelDecember
Peak season for travelMarch
Flight distance2,302.69 km
Average flight time4 hours 6 minutes
Popular airlineAmerican Airlines

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