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Cheap Flight Deals from Philadelphia to Austin

Discover our range of affordable one-way and round-trip flights from Philadelphia to Austin and kick-start your next adventure today!

  • One way
  • Return
      • Cheapest nonstop
        PHL10:40
        4h 14m
        Nonstop
        AUS13:54
        Tue, Jan 7|Philadelphia - Austin|American Airlines
        AU$ 223AU$ 265
        16% OFF
        16% OFF
        AU$ 265AU$ 223

        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 AU$ 223 including taxes and charges.

      • PHL19:05
        4h 19m
        Nonstop
        AUS22:24
        Wed, Feb 12|Philadelphia - Austin|American Airlines
        AU$ 236AU$ 265
        11% OFF
        11% OFF
        AU$ 265AU$ 236

        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 AU$ 236 including taxes and charges.

      • PHL08:15
        9h 27m
        1 stop
        AUS16:42
        Sat, Mar 1|Philadelphia - Austin|Frontier Airlines
        AU$ 86AU$ 265
        68% OFF
        68% OFF
        AU$ 265AU$ 86

        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 AU$ 86 including taxes and charges.

      • PHL21:53
        19h 13m
        1 stop
        AUS16:06
        Thu, Jan 23|Philadelphia - Austin|Frontier Airlines
        AU$ 95
        AU$ 95

        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 AU$ 95 including taxes and charges.

      • PHL08:26
        10h 5m
        1 stop
        AUS17:31
        Thu, Feb 27|Philadelphia - Austin|Frontier Airlines
        AU$ 95
        AU$ 95

        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 AU$ 95 including taxes and charges.

      • PHL07:45
        9h 36m
        1 stop
        AUS16:21
        Wed, Feb 26|Philadelphia - Austin|Frontier Airlines
        AU$ 97
        AU$ 97

        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 AU$ 97 including taxes and charges.

      • PHL16:34
        7h 58m
        1 stop
        AUS23:32
        Mon, Feb 24|Philadelphia - Austin|Frontier Airlines
        AU$ 98
        AU$ 98

        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 AU$ 98 including taxes and charges.

      • PHL07:30
        9h 54m
        1 stop
        AUS16:24
        Mon, Jan 6|Philadelphia - Austin|Frontier Airlines
        AU$ 121
        AU$ 121

        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 AU$ 121 including taxes and charges.

      • PHL08:21
        10h 10m
        1 stop
        AUS17:31
        Mon, Mar 3|Philadelphia - Austin|Frontier Airlines
        AU$ 124
        AU$ 124

        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 AU$ 124 including taxes and charges.

      • PHL08:31
        10h
        1 stop
        AUS17:31
        Tue, Mar 4|Philadelphia - Austin|Frontier Airlines
        AU$ 131
        AU$ 131

        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 AU$ 131 including taxes and charges.

      • PHL01:00 pm
        3h 5m
        Nonstop
        AUS02:00 pm
        Sun, Jan 12|Philadelphia - Austin|American Airlines
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Best Time to Book Flights from Philadelphia to Austin

These price trend charts carefully monitor and predict how flight prices from Philadelphia to Austin will change. Keep a close eye on them to understand when the best time to buy your tickets is.

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

Top Airlines Flying from Philadelphia to Austin

Which airline provides the cheapest flights from Philadelphia to Austin? Discover the option that best suits your travel needs before embarking on your journey.

Frontier Airlines
From AU$ 86
United Airlines
From AU$ 208
Delta Air Lines
From AU$ 209
American Airlines
From AU$ 223
Southwest Airlines
From AU$ 241
Alaska Airlines
From AU$ 309
Jetblue Airways
From AU$ 470
Spirit Airlines
From AU$ 558

Find more flights and airlines

Alternative Routes from Philadelphia to Austin

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
    AU$ 86
  • Frontier Airlines
    TTN
    11:27
    28h 42m
    2 transfer
    AUS
    15:09
    Trenton Mercer Airport - Austin-Bergstrom International Airport
    Mon, Jan 13Frontier Airlines
    AU$ 179
  • Frontier Airlines
    TTN
    11:27
    28h 42m
    2 transfer
    AUS
    15:09
    Trenton Mercer Airport - Austin-Bergstrom International Airport
    Mon, Jan 13Frontier Airlines
    AU$ 179
    Find More Flights

FAQ

  • When are flight 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 lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

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

    According to Trip.com's data, the lowest price is around AU$ 658.

  • How long is the flights from Philadelphia (PHL) to Austin (AUS)?

    It takes about 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.

  • 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 (AUS)?

    There are 1 airport(s) in Austin (AUS): Austin-Bergstrom International Airport.

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

Flight Information from Philadelphia to Austin

Cheapest direct flight priceAU$ 85
Cheapest return ticket priceAU$ 383
Off-season for travelDecember
Peak season for travelMarch
Flight distance2,302.69km
Average flight time4 hours 6 minutes
Popular airlineAmerican Airlines

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