Cheap flights from Philadelphia International to Austin-Bergstrom

Compare Philadelphia International to Austin-Bergstrom flight deals

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

Book the best Austin-Bergstrom fare with no extra fees

Flight deals from Philadelphia International to Austin-Bergstrom

Looking for a cheap last-minute deal or the best round-trip flight from Philadelphia International Airport to Austin-Bergstrom Airport? If you want to travel next month, round-trip fares start from $210. Find the lowest prices on one-way and round-trip tickets right here.

Austin.$185 per passenger.Departing Sat, May 23, returning Sat, May 30.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Philadelphia International on Sat, May 23, arriving in Austin-Bergstrom.Inbound indirect flight with Frontier Airlines, departing from Austin-Bergstrom on Sat, May 30, arriving in Philadelphia International.Price includes taxes and charges.From $185, select.

Austin.$203 per passenger.Departing Thu, Aug 13, returning Sun, Aug 16.Round-trip flight with Allegiant Air.Outbound indirect flight with Allegiant Air, departing from Philadelphia International on Thu, Aug 13, arriving in Austin-Bergstrom.Inbound indirect flight with Allegiant Air, departing from Austin-Bergstrom on Sun, Aug 16, arriving in Philadelphia International.Price includes taxes and charges.From $203, select.

Austin.$210 per passenger.Departing Tue, Jul 21, returning Tue, Jul 28.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Philadelphia International on Tue, Jul 21, arriving in Austin-Bergstrom.Inbound indirect flight with Frontier Airlines, departing from Austin-Bergstrom on Tue, Jul 28, arriving in Philadelphia International.Price includes taxes and charges.From $210, select.

Austin.$210 per passenger.Departing Tue, Jun 9, returning Tue, Jun 16.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Philadelphia International on Tue, Jun 9, arriving in Austin-Bergstrom.Inbound indirect flight with Frontier Airlines, departing from Austin-Bergstrom on Tue, Jun 16, arriving in Philadelphia International.Price includes taxes and charges.From $210, select.

Austin.$210 per passenger.Departing Wed, May 27, returning Wed, Jun 3.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Philadelphia International on Wed, May 27, arriving in Austin-Bergstrom.Inbound indirect flight with Frontier Airlines, departing from Austin-Bergstrom on Wed, Jun 3, arriving in Philadelphia International.Price includes taxes and charges.From $210, select.

Austin.$230 per passenger.Departing Mon, Jul 27, returning Wed, Aug 12.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Philadelphia International on Mon, Jul 27, arriving in Austin-Bergstrom.Inbound indirect flight with Frontier Airlines, departing from Austin-Bergstrom on Wed, Aug 12, arriving in Philadelphia International.Price includes taxes and charges.From $230, select.

Austin.$231 per passenger.Departing Wed, Sep 2, returning Mon, Sep 7.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Philadelphia International on Wed, Sep 2, arriving in Austin-Bergstrom.Inbound indirect flight with Frontier Airlines, departing from Austin-Bergstrom on Mon, Sep 7, arriving in Philadelphia International.Price includes taxes and charges.From $231, select.

Austin.$245 per passenger.Departing Mon, Jun 29, returning Wed, Jul 1.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Philadelphia International on Mon, Jun 29, arriving in Austin-Bergstrom.Inbound indirect flight with Frontier Airlines, departing from Austin-Bergstrom on Wed, Jul 1, arriving in Philadelphia International.Price includes taxes and charges.From $245, select.

Austin.$311 per passenger.Departing Thu, Oct 8, returning Sun, Oct 18.Round-trip flight with Allegiant Air and Frontier Airlines.Outbound indirect flight with Allegiant Air, departing from Philadelphia International on Thu, Oct 8, arriving in Austin-Bergstrom.Inbound indirect flight with Frontier Airlines, departing from Austin-Bergstrom on Sun, Oct 18, arriving in Philadelphia International.Price includes taxes and charges.From $311, select.

Austin.$339 per passenger.Departing Fri, Aug 28, returning Tue, Sep 1.Round-trip flight with Frontier Airlines and jetBlue.Outbound indirect flight with Frontier Airlines, departing from Philadelphia International on Fri, Aug 28, arriving in Austin-Bergstrom.Inbound indirect flight with jetBlue, departing from Austin-Bergstrom on Tue, Sep 1, arriving in Philadelphia International.Price includes taxes and charges.From $339, select.

Austin.$415 per passenger.Departing Wed, Jun 17, returning Wed, Jun 24.Round-trip flight with American Airlines.Outbound direct flight with American Airlines departing from Philadelphia International on Wed, Jun 17, arriving in Austin-Bergstrom.Inbound direct flight with American Airlines departing from Austin-Bergstrom on Wed, Jun 24, arriving in Philadelphia International.Price includes taxes and charges.From $415, select.

Austin.$435 per passenger.Departing Sat, Sep 26, returning Sat, Oct 3.Round-trip flight with United.Outbound indirect flight with United, departing from Philadelphia International on Sat, Sep 26, arriving in Austin-Bergstrom.Inbound indirect flight with United, departing from Austin-Bergstrom on Sat, Oct 3, arriving in Philadelphia International.Price includes taxes and charges.From $435, select.

Austin.$453 per passenger.Departing Sat, Oct 31, returning Mon, Nov 2.Round-trip flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departing from Philadelphia International on Sat, Oct 31, arriving in Austin-Bergstrom.Inbound indirect flight with Southwest Airlines, departing from Austin-Bergstrom on Mon, Nov 2, arriving in Philadelphia International.Price includes taxes and charges.From $453, select.

Austin.$460 per passenger.Departing Tue, Dec 29, returning Mon, Jan 4.Round-trip flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departing from Philadelphia International on Tue, Dec 29, arriving in Austin-Bergstrom.Inbound indirect flight with Southwest Airlines, departing from Austin-Bergstrom on Mon, Jan 4, arriving in Philadelphia International.Price includes taxes and charges.From $460, select.

Austin.$474 per passenger.Departing Mon, Jul 27, returning Wed, Aug 12.Round-trip flight with American Airlines.Outbound direct flight with American Airlines departing from Philadelphia International on Mon, Jul 27, arriving in Austin-Bergstrom.Inbound direct flight with American Airlines departing from Austin-Bergstrom on Wed, Aug 12, arriving in Philadelphia International.Price includes taxes and charges.From $474, select.

Austin.$474 per passenger.Departing Thu, Jul 2, returning Wed, Jul 8.Round-trip flight with American Airlines.Outbound direct flight with American Airlines departing from Philadelphia International on Thu, Jul 2, arriving in Austin-Bergstrom.Inbound direct flight with American Airlines departing from Austin-Bergstrom on Wed, Jul 8, arriving in Philadelphia International.Price includes taxes and charges.From $474, select.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Philadelphia International to Austin-Bergstrom flights are currently cheapest in May.

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

Direct flights from Philadelphia International to Austin-Bergstrom

Philadelphia International to Austin-Bergstrom: Alternative routes

Compare routes from Philadelphia International 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 $185

Search flights

Killeen Gray AAF

88km from central Austin

Search flights

Philadelphia to Austin: Flight information

The things to know before you go.

Cheapest flight found	$185
Cheapest month to fly	May
Average flight time	4 hrs, 1 min
Most popular airline	American Airlines
Average flights per week	42

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

How much are round-trip flights from Philadelphia International to Austin-Bergstrom?

The best price we found for a round-trip flight from Philadelphia International to Austin-Bergstrom is $185. 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.

How long does it take to fly from Philadelphia International to Austin-Bergstrom?

4 hours and 1 minute is the average flight time from Philadelphia International to Austin-Bergstrom.

Which airlines fly direct from Philadelphia International to Austin-Bergstrom?

American Airlines, Qatar Airways and Iberia fly direct from Philadelphia International to Austin-Bergstrom.

How many flights are there a week from Philadelphia International to Austin-Bergstrom?

There are 42 flights per week flying from Philadelphia International to Austin-Bergstrom, as of May 2026.

When is the cheapest time to fly from Philadelphia International to Austin-Bergstrom?

The cheapest month to fly from Philadelphia International to Austin-Bergstrom is usually May.

Which upcoming date is cheapest to fly from Philadelphia International Airport to Austin-Bergstrom Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Philadelphia International Airport to Austin-Bergstrom Airport on Saturday, May 23, 2026.

Can I get a direct flight from Philadelphia International Airport to Austin-Bergstrom Airport?

Yes – the average flight time is 4 hours and 1 minute.

How can I find the best flight deal to Austin-Bergstrom?

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.

When is the best time to book flights to Austin?

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.

Which is the cheapest airline to fly with from Philadelphia International Airport to Austin-Bergstrom?

Currently, Frontier Airlines and American Airlines offer the cheapest flight tickets to Austin-Bergstrom.

Traveling from Philadelphia International Airport (PHL) to Austin-Bergstrom International Airport (AUS): what you need to know

The average duration of a direct flight from Philadelphia International Airport to Austin-Bergstrom International Airport is 4 hours.
The timezone in Austin is UTC-5, which is one hour behind Philadelphia.
You can choose from 29 weekly Philadelphia International Airport to Austin-Bergstrom International Airport flights. The 08:20 departure with American Airlines is the earliest flight available. American Airlines operates the last service of the day at 20:15.
For a stress-free journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This way, you can comfortably catch your PHL to AUS flight.
During popular months like August, it's best to get to the airport even earlier. Arrive two hours before domestic departures and four hours ahead of an international flight whenever you're traveling during a peak period in general.
Flying into Austin (and then seeing more of United States!) is a snap with American Airlines. This popular carrier offers direct flights from Philadelphia International Airport to Austin-Bergstrom International Airport.
American Airlines is the top choice for travelers on this route.
With a reliable 81.12% of services arriving on schedule, American Airlines is the most punctual carrier offering PHL to AUS flights.
Consider adding a stopover when booking your ticket from Philadelphia International Airport to Austin-Bergstrom International Airport. Simply uncheck 'Direct flights only' to break up your trip, or visit a new city along the way. Check out these options between PHL and AUS:
- Lambert-St. Louis International Airport
- Nashville International Airport
- Hartsfield-Jackson Atlanta International Airport

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

At the moment, $95 is the cheapest price we've found for a one-way Philadelphia International Airport to Austin-Bergstrom International Airport flight. The best price for a return plane ticket is $185. Remember that fares could change due to demand at the time of booking.
Book six months before your departure date. After looking at the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from PHL to AUS.
Organize your trip for May. That's the cheapest month for flights from Philadelphia International Airport to Austin-Bergstrom International Airport. If you're flexible with your dates, use the 'Whole month' tool to find the lowest airfare across every month.
Spend less time searching for cheap flights from PHL to AUS by setting up a Price Alert. You'll get an email or push notification on the app when a lower fare pops up.
Tailor your flights with filters. Select your departure and arrival times, airlines and total journey duration. You can also sort your results by 'Best,' 'Cheapest' or 'Fastest' flights from Philadelphia International Airport to Austin-Bergstrom International Airport.

Handy information about Philadelphia International Airport (PHL)

PHL's address is Industrial Highway and Island Road.
Of the flights that depart from Philadelphia International Airport, 78.93% touch down on time at their destination.
Central Philadelphia to Philadelphia International Airport is around 19 kilometers. Depending on traffic, it'll take about 15 minutes to get there if you're ride-sharing, catching a cab or driving.
The trip when using public transport usually takes 45 minutes.
Get your trip off to a hassle-free start by staying near PHL. Whether you've booked an early flight from Philadelphia International Airport to Austin-Bergstrom International Airport or want to avoid feeling rushed, these stays are perfect:

Arriving at Austin-Bergstrom International Airport (AUS)

If you're arriving on a late Philadelphia International Airport to Austin-Bergstrom International Airport flight, nothing tops the convenience of staying close to the terminal. Grab your suitcases from the carousel and then be resting not long after at one of these options near AUS:
Hit the road running by picking up an Austin-Bergstrom International Airport rental car. Grab your wheels from Thrifty, Dollar or Easirent to explore Austin and beyond.
Booking your vehicle from Austin-Bergstrom International Airport about four weeks in advance boosts your odds of scoring a great price.

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

The address for AUS is 3600 Presidential Blvd.
Austin-Bergstrom International Airport is roughly 19 kilometers from the center of Austin. The drive time takes around 25 minutes.
Getting there on public transport typically takes 3 hours 25 minutes.

When to fly to Austin-Bergstrom International Airport (AUS)

It's time to pick your dates for your flight from Philadelphia International Airport to Austin-Bergstrom International Airport. July is the most popular month to head to Austin. If you're after a more relaxed vibe, go in April.
When booking your flight from Philadelphia International Airport to Austin-Bergstrom International Airport, think about the type of weather you enjoy. August is the warmest month in Austin, with the temperature ranging from 23ºC (73ºF) to 41ºC (106ºF).
If you like cooler conditions, search for a cheap ticket from PHL to AUS in January. Temperatures average between 3ºC (37ºF) and 19ºC (66ºF) then.

Explore more of United States

Austin has its own special appeal, but there are so many other corners of United States waiting to be explored. Around 241 kilometers east of Austin, a trip to Houston will keep you busy. Check out popular attractions like The Houston Museum of Natural Science, The Museum of Fine Arts, Houston, Beck Building and Hermann Park.
Around 121 kilometers south-west of Austin, San Antonio is another favorite stop in United States. Experience major highlights starting with The San Antonio River Walk, San Antonio Missions National Historical Park and San Fernando Cathedral.