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

View AU$210 flight on Fri, 23 Jan. 2026Opens in a new window

Popular airlines from Philadelphia International Airport (PHL) to Austin-Bergstrom International Airport (AUS)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, 23 Jan. - Sun, 25 Jan.
PHL
Philadelphia
AUS
Austin
AU$544 Return, found 5 days ago
AU$544
Return
found 5 days ago
Select American Airlines flight, departing Fri, 23 Jan. from Philadelphia to Austin, returning Sun, 25 Jan., priced at AU$544 found 5 days ago
Delta
Fri, 23 Jan. - Sun, 25 Jan.
PHL
Philadelphia
AUS
Austin
AU$574 Return, found 5 days ago
AU$574
Return
found 5 days ago
Select Delta flight, departing Fri, 23 Jan. from Philadelphia to Austin, returning Sun, 25 Jan., priced at AU$574 found 5 days ago
Delta
Fri, 23 Jan. - Sun, 25 Jan.
PHL
Philadelphia
AUS
Austin
AU$609 Return, found 5 days ago
AU$609
Return
found 5 days ago
Select Delta flight, departing Fri, 23 Jan. from Philadelphia to Austin, returning Sun, 25 Jan., priced at AU$609 found 5 days ago
United
Fri, 23 Jan. - Sun, 25 Jan.
PHL
Philadelphia
AUS
Austin
AU$815 Return, found 5 days ago
AU$815
Return
found 5 days ago
Select United flight, departing Fri, 23 Jan. from Philadelphia to Austin, returning Sun, 25 Jan., priced at AU$815 found 5 days ago
Alaska Airlines
Sat, 22 Nov. - Sun, 30 Nov.
PHL
Philadelphia
AUS
Austin
AU$2,348 Return, found 4 days ago
AU$2,348
Return
found 4 days ago
Select Alaska Airlines flight, departing Sat, 22 Nov. from Philadelphia to Austin, returning Sun, 30 Nov., priced at AU$2,348 found 4 days ago

Find the cheapest month to fly from Philadelphia (PHL) to Austin (AUS)

August is typically the cheapest month to fly

From AU$169 - AU$285 per traveller.

Graph displaying average flight prices per month

Flight from Philadelphia to Austin route information
Origin airport
Philadelphia Intl.
Destination airport
Austin-Bergstrom Intl.
Return price
AU$543
Distance
2285 km
Average flight time
2 hours 57 mins

Your quick guide to flights from Philadelphia to Austin

Pick up great flights from Philadelphia to Austin

With Expedia, you have your pick of 7 flights a day with 20 airlines covering flights from Philadelphia to Austin. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Philadelphia to Austin that take around 3 hours.

Find cheap flights from Philadelphia to Austin

From the great flight deals with prices currently ranging from AU$544 to AU$2,348, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Philadelphia to Austin around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Austin is normally in January.

Reasons to book your flight from Philadelphia to Austin with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Philadelphia to Austin across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Austin right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from Philadelphia Airport to Austin-Bergstrom Intl. Airport (AUS)?
Pack your bags, because round-trip journeys between PHL and Austin-Bergstrom Intl. Airport (AUS) start from AU$544. That's based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can change quickly, so book now to lock in the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from PHL to AUS?
This can differ from airline to airline, as each one has its own set of terms and conditions. Visit the Customer Service Portal, where you'll find easy-to-follow instructions on how to cancel online.
How do I find cheap flights from Philadelphia Intl. Airport (PHL) to AUS that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Philadelphia Intl. Airport (PHL) to Austin–Bergstrom International Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Philadelphia Intl. Airport (PHL) to Austin–Bergstrom International Airport?
It's around 2 300 kilometres from Philadelphia to Austin, so you'll be in your seat for a while. Keep yourself occupied with things like playing cards (if you're travelling with friends) or a good old-fashioned book.
Which airlines fly direct from Philadelphia Intl. Airport (PHL) to AUS?
A popular option with many frequent travellers, American Airlines (AA) offers 56 flights monthly from PHL to AUS. Pick the one that fits in with your travel plans and book your ticket today.
Are Philadelphia Airport to AUS flight tickets cheaper when they're purchased at the last minute?
Flight prices always go up and down, so not always. While last-minute deals between PHL and Austin–Bergstrom International Airport are of course possible, it's also a good idea to keep a close eye on prices well before you fly. In fact, some air carriers publish their prices up to a year ahead of the departure date. Expedia is constantly updating the biggest airfare bargains around, so keep checking and be ready to book when fare prices drop.

Explore a world of travel with Expedia

*Available to Expedia members.