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Cheap Flights from Philadelphia (PHLA) to Austin (AUS)

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Find the cheapest month or even day of the year to fly to Austin-Bergstrom

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Flight deals from Philadelphia to Austin-Bergstrom

Looking for a cheap last-minute deal or the best return flight from Philadelphia to Austin-Bergstrom Airport? If you want to travel next month, return fares start from $222. Find the lowest prices on one-way and return tickets right here.
Austin.$222 per passenger.Departing Sat, 23 May, returning Tue, 26 May.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Sat, 23 May, arriving in Austin-Bergstrom.Inbound indirect flight with Frontier Airlines, departs from Austin-Bergstrom on Tue, 26 May, arriving in Philadelphia International.Price includes taxes and charges.From $222, select.
Austin.$257 per passenger.Departing Sat, 23 May, returning Tue, 2 Jun.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Sat, 23 May, arriving in Austin-Bergstrom.Inbound indirect flight with Frontier Airlines, departs from Austin-Bergstrom on Tue, 2 Jun, arriving in Philadelphia International.Price includes taxes and charges.From $257, select.
Austin.$292 per passenger.Departing Wed, 5 Aug, returning Tue, 18 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Wed, 5 Aug, arriving in Austin-Bergstrom.Inbound indirect flight with Frontier Airlines, departs from Austin-Bergstrom on Tue, 18 Aug, arriving in Philadelphia International.Price includes taxes and charges.From $292, select.
Austin.$292 per passenger.Departing Wed, 3 Jun, returning Fri, 5 Jun.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Wed, 3 Jun, arriving in Austin-Bergstrom.Inbound indirect flight with Frontier Airlines, departs from Austin-Bergstrom on Fri, 5 Jun, arriving in Philadelphia International.Price includes taxes and charges.From $292, select.
Austin.$311 per passenger.Departing Sat, 30 May, returning Sat, 25 Jul.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Sat, 30 May, arriving in Austin-Bergstrom.Inbound indirect flight with Frontier Airlines, departs from Austin-Bergstrom on Sat, 25 Jul, arriving in Philadelphia International.Price includes taxes and charges.From $311, select.
Austin.$319 per passenger.Departing Tue, 14 Jul, returning Sun, 19 Jul.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Tue, 14 Jul, arriving in Austin-Bergstrom.Inbound indirect flight with Frontier Airlines, departs from Austin-Bergstrom on Sun, 19 Jul, arriving in Philadelphia International.Price includes taxes and charges.From $319, select.
Austin.$320 per passenger.Departing Sun, 28 Jun, returning Tue, 7 Jul.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Sun, 28 Jun, arriving in Austin-Bergstrom.Inbound indirect flight with Frontier Airlines, departs from Austin-Bergstrom on Tue, 7 Jul, arriving in Philadelphia International.Price includes taxes and charges.From $320, select.
Austin.$340 per passenger.Departing Sun, 28 Jun, returning Sat, 1 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Sun, 28 Jun, arriving in Austin-Bergstrom.Inbound indirect flight with Frontier Airlines, departs from Austin-Bergstrom on Sat, 1 Aug, arriving in Philadelphia International.Price includes taxes and charges.From $340, select.
Austin.$347 per passenger.Departing Thu, 30 Jul, returning Mon, 3 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Thu, 30 Jul, arriving in Austin-Bergstrom.Inbound indirect flight with Frontier Airlines, departs from Austin-Bergstrom on Mon, 3 Aug, arriving in Philadelphia International.Price includes taxes and charges.From $347, select.
Austin.$376 per passenger.Departing Thu, 3 Sep, returning Mon, 7 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Thu, 3 Sep, arriving in Austin-Bergstrom.Inbound indirect flight with Frontier Airlines, departs from Austin-Bergstrom on Mon, 7 Sep, arriving in Philadelphia International.Price includes taxes and charges.From $376, select.
Austin.$409 per passenger.Departing Thu, 8 Oct, returning Sun, 11 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Thu, 8 Oct, arriving in Austin-Bergstrom.Inbound indirect flight with Delta, departs from Austin-Bergstrom on Sun, 11 Oct, arriving in Philadelphia International.Price includes taxes and charges.From $409, select.
Austin.$452 per passenger.Departing Thu, 30 Apr, returning Fri, 8 May.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Thu, 30 Apr, arriving in Austin-Bergstrom.Inbound indirect flight with Frontier Airlines, departs from Austin-Bergstrom on Fri, 8 May, arriving in Philadelphia International.Price includes taxes and charges.From $452, select.
Austin.$480 per passenger.Departing Thu, 30 Apr, returning Mon, 1 Jun.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Thu, 30 Apr, arriving in Austin-Bergstrom.Inbound indirect flight with Frontier Airlines, departs from Austin-Bergstrom on Mon, 1 Jun, arriving in Philadelphia International.Price includes taxes and charges.From $480, select.
Austin.$493 per passenger.Departing Tue, 15 Sep, returning Sat, 17 Oct.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Philadelphia International on Tue, 15 Sep, arriving in Austin-Bergstrom.Inbound indirect flight with Southwest Airlines, departs from Austin-Bergstrom on Sat, 17 Oct, arriving in Philadelphia International.Price includes taxes and charges.From $493, select.
Austin.$549 per passenger.Departing Fri, 28 Aug, returning Tue, 1 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Fri, 28 Aug, arriving in Austin-Bergstrom.Inbound indirect flight with Frontier Airlines, departs from Austin-Bergstrom on Tue, 1 Sep, arriving in Philadelphia International.Price includes taxes and charges.From $549, select.
Austin.$562 per passenger.Departing Fri, 21 Aug, returning Fri, 2 Oct.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Philadelphia International on Fri, 21 Aug, arriving in Austin-Bergstrom.Inbound indirect flight with Southwest Airlines, departs from Austin-Bergstrom on Fri, 2 Oct, arriving in Philadelphia International.Price includes taxes and charges.From $562, select.

Find the cheapest month to fly from Philadelphia to Austin-Bergstrom

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Philadelphia to Austin-Bergstrom flights are currently cheapest in May.
Apr
Find prices
May
from $222
Jun
from $292
Jul
from $319
Aug
from $292
Sep
from $376
Oct
from $409
Nov
from $631
Dec
from $643
Jan
Find prices
Feb
from $713
Mar
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Direct flights from Philadelphia to Austin-Bergstrom

Philadelphia to Austin-Bergstrom: Alternative routes

Compare routes from Philadelphia to Austin below. You may find an airport to fly into that's cheaper, faster, or easier than Austin-Bergstrom.

Austin-Bergstrom

10km from central Austin
ClosestCheapest
from $222
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Killeen Gray AAF

88km from central Austin
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Philadelphia to Austin: Flight information

The things to know before you go.
Cheapest flight found$222
Cheapest month to flyMay
Average flight time4 hrs, 1 min
Most popular airlineAmerican Airlines
Average flights per week86

Finding cheap flights from Philadelphia to Austin-Bergstrom: Frequently asked questions

The best price we found for a return flight from Philadelphia to Austin-Bergstrom is $222. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
4 hours and 1 minute is the average flight time from Philadelphia to Austin-Bergstrom.
American Airlines, Qatar Airways and Iberia fly direct from Philadelphia to Austin-Bergstrom.
As of April 2026, there are 86 flights per week flying from Philadelphia to Austin-Bergstrom.
The cheapest month to fly from Philadelphia to Austin-Bergstrom is usually May.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Philadelphia to Austin-Bergstrom Airport on Saturday, 23 May 2026.
Yes – the average flight time is 4 hours and 1 minute.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Austin-Bergstrom but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Austin is around 40 days in advance, so don’t leave your flight to the last minute.

Travelling from Philadelphia to Austin-Bergstrom International Airport (AUS): What you need to know

  • Your journey comes together at Philadelphia's main airport, Philadelphia International Airport (PHL). Check out your options for booking a flight from Philadelphia to Austin-Bergstrom International Airport (AUS) departing from this terminal.

  • Around 3 hours 55 minutes is how long you can expect to be travelling on a direct Philadelphia to Austin-Bergstrom International Airport flight.

  • Austin-Bergstrom International Airport is located in Austin. The city operates on the UTC-6 timezone and is one hour behind Philadelphia.

  • With 25 direct weekly flights between the two airports, Philadelphia International Airport (PHL) to Austin-Bergstrom International Airport (AUS) is the busiest route. American Airlines operates the earliest flight at 7am. If you'd like to get more out of your day before taking off, the latest flight from PHL to AUS is with American Airlines at 9:10pm.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Be at the airport on time to board your flight from Philadelphia to AUS.

  • Travelling during a peak month like July? High seasons (like Thanksgiving, Christmas and spring break) can add another hour at security. Be extra cautious and arrive up to four hours before international flights and two hours before a domestic departure.

Airports in Philadelphia

Philadelphia International Airport (PHL)

  • Philadelphia International Airport (PHL) offers an easy route to your destination. Nonstop flights from Philadelphia to Austin-Bergstrom International Airport (AUS) can be booked from this terminal.

  • American Airlines is a well-known carrier that offers direct flights from Philadelphia to Austin-Bergstrom International Airport leaving from PHL.

  • American Airlines is the most frequently chosen airline for flights from PHL to AUS.

  • American Airlines is the most punctual carrier on this route, with 74.7% of its services arriving as scheduled.

  • Located around 18 kilometres from the centre of Philadelphia, PHL can be reached in about 20 minutes by car (depending on traffic). The journey on public transport will take roughly 30 minutes.

  • Booked an early flight from Philadelphia to Austin-Bergstrom International Airport? Avoid the last-minute rush to the terminal (and catch some extra z's) by choosing one of these stays near Philadelphia International Airport:

  • Of the departures from Philadelphia International Airport, 77% land on schedule at their destination.

  • PHL's address is 8500 Essington Ave.

Trenton-Mercer Airport (TTN)

  • You can reach TTN from the centre of Philadelphia in approximately 40 minutes by car, depending on traffic. The ride by public transport takes roughly 1 hour 35 minutes to travel the 48 kilometres or so.

  • Get your holiday started early with an additional night away from home. Before your Philadelphia to AUS flight, kick back in one of these hotels near Trenton-Mercer Airport:

  • 76% of flights taking off from Trenton-Mercer Airport make it to their destination as expected.

  • TTN is located at Scotch Road, Terminal Building.

About Austin-Bergstrom International Airport (AUS)

Getting from Austin-Bergstrom International Airport (AUS) to central Austin

  • From Austin-Bergstrom International Airport, central Austin is around 16 kilometres away. It takes about 20 minutes to reach the city centre by car.

  • If you're taking public transport, expect a journey time of around 45 minutes.

How to find the cheapest flights from Philadelphia to Austin-Bergstrom International Airport (AUS)

  • The lowest price we've found for a one-way ticket from Philadelphia to Austin-Bergstrom International Airport is $119. For a return flight on this route, the best price is $222. Depending on how early you book and the availability, these fares may change.

  • Booking ahead of time is often the key to scoring a cheap flight from Philadelphia to AUS. Airlines adjust prices based on demand, so the closer you get to departure, the more expensive your ticket may be.

  • Affordable Philadelphia to Austin-Bergstrom International Airport tickets are easier to find if your travel dates are flexible. Use the 'Whole month' tool to compare fares across each month and then pick the cheapest day.

  • There's no need to search every day to find out if fares have dropped when you create a Price Alert. We'll notify you as soon as a better deal is available on plane tickets from Philadelphia to AUS.

  • Filters make it easier to track down a bargain for your flight from Philadelphia to Austin-Bergstrom International Airport. Pick the departure times, carriers and stops that line up with your plans. Then sort the results by 'Cheapest' to find the most affordable option fast.

The best time to fly from Philadelphia to Austin-Bergstrom International Airport (AUS)

  • Picture the kind of break you want when deciding the best time to fly. December is the quietest month to go to Austin. July is when most people book flights from Philadelphia to Austin-Bergstrom International Airport (AUS), which may be ideal if you enjoy travelling when it's busier.

  • Lock in a Philadelphia to AUS plane ticket departing in August if you want to visit the city during its warmest month. Expect temperatures in Austin to range from 23ºC (73ºF) to 41ºC (106ºF).

  • January sees temperatures of between 3ºC (37ºF) and 19ºC (66ºF). Search for cheap tickets from Philadelphia to Austin-Bergstrom International Airport around that time if you want to travel in cooler conditions.

More about Austin

  • Start your Austin trip off on the right foot by choosing the perfect place to stay. Once you've booked your flight from Philadelphia to Austin-Bergstrom International Airport, explore our range of accommodation options including:

  • Every great journey has to include some sightseeing. Texas State Capitol, Austin Museum of Art, Downtown and 360 Bridge are must-visits when exploring Austin.

Explore more of the United States

  • You've done Austin, now it's time to explore more of the United States. Travel about 225 kilometres east to Houston to check off its top attractions. From The Museum of Fine Arts, Houston, Beck Building to Houston Museum of Natural Science and The Menil Collection, there's plenty to keep you busy.

  • If you're looking to explore another major stop in the United States, head for San Antonio, roughly 121 kilometres southwest of Austin. San Antonio River Walk, San Antonio River walk and Alamo Plaza are among the biggest draws.

Plan the rest of your trip from Philadelphia to Austin

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.