Cheap Flights from Austin-Bergstrom to Philadelphia International

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Compare Austin-Bergstrom to Philadelphia International flight deals

Find the cheapest month or even day of the year to fly to Philadelphia International

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Flight deals from Austin-Bergstrom to Philadelphia International

Looking for a cheap last-minute deal or the best return flight from Austin-Bergstrom Airport to Philadelphia International Airport? If you want to travel next month, return fares start from $319. Find the lowest prices on one-way and return tickets right here.

Philadelphia.$319 per passenger.Departing Sat, 17 Oct, returning Sat, 24 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Austin-Bergstrom on Sat, 17 Oct, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Sat, 24 Oct, arriving in Austin-Bergstrom.Price includes taxes and charges.From $319, select.

Philadelphia.$323 per passenger.Departing Thu, 26 Nov, returning Tue, 1 Dec.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Austin-Bergstrom on Thu, 26 Nov, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Tue, 1 Dec, arriving in Austin-Bergstrom.Price includes taxes and charges.From $323, select.

Philadelphia.$338 per passenger.Departing Thu, 3 Dec, returning Mon, 7 Dec.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Austin-Bergstrom on Thu, 3 Dec, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Mon, 7 Dec, arriving in Austin-Bergstrom.Price includes taxes and charges.From $338, select.

Philadelphia.$377 per passenger.Departing Wed, 4 Nov, returning Sat, 7 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Austin-Bergstrom on Wed, 4 Nov, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Sat, 7 Nov, arriving in Austin-Bergstrom.Price includes taxes and charges.From $377, select.

Philadelphia.$499 per passenger.Departing Sat, 31 Oct, returning Sun, 1 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Austin-Bergstrom on Sat, 31 Oct, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Sun, 1 Nov, arriving in Austin-Bergstrom.Price includes taxes and charges.From $499, select.

Philadelphia.$556 per passenger.Departing Sat, 26 Sep, returning Wed, 30 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Austin-Bergstrom on Sat, 26 Sep, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Wed, 30 Sep, arriving in Austin-Bergstrom.Price includes taxes and charges.From $556, select.

Philadelphia.$562 per passenger.Departing Sat, 12 Dec, returning Mon, 4 Jan.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Austin-Bergstrom on Sat, 12 Dec, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Mon, 4 Jan, arriving in Austin-Bergstrom.Price includes taxes and charges.From $562, select.

Philadelphia.$668 per passenger.Departing Thu, 11 Feb, returning Mon, 15 Feb.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Austin-Bergstrom on Thu, 11 Feb, arriving in Philadelphia International.Inbound indirect flight with Southwest Airlines, departs from Philadelphia International on Mon, 15 Feb, arriving in Austin-Bergstrom.Price includes taxes and charges.From $668, select.

Philadelphia.$779 per passenger.Departing Mon, 28 Sep, returning Thu, 1 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Austin-Bergstrom on Mon, 28 Sep, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Thu, 1 Oct, arriving in Austin-Bergstrom.Price includes taxes and charges.From $779, select.

Philadelphia.$809 per passenger.Departing Sat, 24 Apr, returning Tue, 4 May.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Austin-Bergstrom on Sat, 24 Apr, arriving in Philadelphia International.Inbound indirect flight with Southwest Airlines, departs from Philadelphia International on Tue, 4 May, arriving in Austin-Bergstrom.Price includes taxes and charges.From $809, select.

Philadelphia.$843 per passenger.Departing Sat, 15 May, returning Sat, 29 May.Return flight with United.Outbound indirect flight with United, departs from Austin-Bergstrom on Sat, 15 May, arriving in Philadelphia International.Inbound indirect flight with United, departs from Philadelphia International on Sat, 29 May, arriving in Austin-Bergstrom.Price includes taxes and charges.From $843, select.

Philadelphia.$843 per passenger.Departing Wed, 17 Mar, returning Wed, 24 Mar.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Austin-Bergstrom on Wed, 17 Mar, arriving in Philadelphia International.Inbound indirect flight with Southwest Airlines, departs from Philadelphia International on Wed, 24 Mar, arriving in Austin-Bergstrom.Price includes taxes and charges.From $843, select.

Philadelphia.$843 per passenger.Departing Sat, 19 Jun, returning Sat, 24 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from Austin-Bergstrom on Sat, 19 Jun, arriving in Philadelphia International.Inbound indirect flight with Delta, departs from Philadelphia International on Sat, 24 Jul, arriving in Austin-Bergstrom.Price includes taxes and charges.From $843, select.

Philadelphia.$843 per passenger.Departing Wed, 19 May, returning Wed, 2 Jun.Return flight with United.Outbound indirect flight with United, departs from Austin-Bergstrom on Wed, 19 May, arriving in Philadelphia International.Inbound indirect flight with United, departs from Philadelphia International on Wed, 2 Jun, arriving in Austin-Bergstrom.Price includes taxes and charges.From $843, select.

Philadelphia.$843 per passenger.Departing Wed, 17 Feb, returning Wed, 3 Mar.Return flight with United.Outbound indirect flight with United, departs from Austin-Bergstrom on Wed, 17 Feb, arriving in Philadelphia International.Inbound indirect flight with United, departs from Philadelphia International on Wed, 3 Mar, arriving in Austin-Bergstrom.Price includes taxes and charges.From $843, select.

Philadelphia.$843 per passenger.Departing Wed, 27 Jan, returning Wed, 10 Feb.Return flight with United.Outbound indirect flight with United, departs from Austin-Bergstrom on Wed, 27 Jan, arriving in Philadelphia International.Inbound indirect flight with United, departs from Philadelphia International on Wed, 10 Feb, arriving in Austin-Bergstrom.Price includes taxes and charges.From $843, select.

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

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

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Direct flights from Austin-Bergstrom to Philadelphia International

Austin-Bergstrom to Philadelphia International: Alternative routes

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

Austin to Philadelphia: Flight information

The things to know before you go.

Cheapest flight found	$319
Cheapest month to fly	October
Average flight time	3 hrs, 36 mins
Most popular airline	American Airlines
Average flights per week	71

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

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

The best price we found for a return flight from Austin-Bergstrom to Philadelphia International is $319. 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 Austin-Bergstrom to Philadelphia International?

3 hours and 36 minutes is the average flight time from Austin-Bergstrom to Philadelphia International.

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

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

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

As of September 2026, there are 71 flights per week flying from Austin-Bergstrom to Philadelphia International.

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

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

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

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Austin-Bergstrom Airport to Philadelphia International Airport on Saturday, 17 October 2026.

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

Yes – the average flight time is 3 hours and 36 minutes.

How can I find the best flight deal to Philadelphia International?

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 Philadelphia International 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 Philadelphia?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Philadelphia is around 40 days in advance, so don’t leave your flight to the last minute.

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

Currently, Frontier Airlines offers the cheapest flight tickets to Philadelphia International.

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

Hop on a direct flight from Austin-Bergstrom Airport to Philadelphia International Airport and you'll be in the air for an average of 3 hours 30 minutes.
Philadelphia's timezone is UTC-5, making Philadelphia one hour ahead of Austin.
Each week, there are 24 Austin-Bergstrom Airport to Philadelphia International Airport flights. If you want to get going early, opt for the 05:45 American Airlines flight. If you're eager to make the most of your day before you fly, the last departure is at 15:30 with American Airlines.
Your AUS to PHL flight won't wait if you're running late, so get to the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.
You'll likely experience longer queues during popular months such as July. Arriving up to four hours in advance for international flights and two hours for domestic departures is a smart move.
American Airlines has direct flights from Austin-Bergstrom Airport to Philadelphia International Airport. Book with this popular carrier, then get ready to check out the sights in Philadelphia — and maybe even more of the United States if you have time.
The airline with the highest passenger demand on this route is American Airlines.
With 77.66% of services landing as planned, American Airlines is the most punctual carrier operating AUS to PHL flights.
Think about adding a stopover when booking your ticket from Austin-Bergstrom Airport to Philadelphia International Airport. Just deselect 'Direct flights only' to break up your trip, or enjoy a detour to a new and interesting place. Check out these options between AUS and PHL:
- Atlanta Hartsfield-Jackson Airport
- Nashville Airport
- St Louis Airport

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

The lowest price we've seen for a one-way Austin-Bergstrom Airport to Philadelphia International Airport flight is $111. A return plane ticket is currently $319. Depending on the availability when you book, these fares can change.
To get cheap tickets from AUS to PHL, reserve your journey one month ahead of your planned departure.
Plan your trip for June. That's the cheapest month for flights from Austin-Bergstrom Airport to Philadelphia International Airport. If you have flexibility with your dates, try out the 'Whole month' tool to find the cheapest price across each month.
There's no need to check every day to see if fares have gone down when you create a Price Alert. We'll update you as soon as the price changes on cheap flights from AUS to PHL.
Tailor your trip with filters. Select your preferred departure and arrival times, total journey duration and airlines. You can also sort the results by 'Fastest,' 'Cheapest' or 'Best' flights from Austin-Bergstrom Airport to Philadelphia International Airport.

Handy information about Austin-Bergstrom Airport (AUS)

You'll find AUS at 3600 Presidential Blvd.
Of all flights leaving Austin-Bergstrom Airport, 77% land on time at their destination.
Central Austin to Austin-Bergstrom Airport is approximately 16 kilometres. Depending on traffic, it'll take about 20 minutes to get there if you're driving, ride-sharing or catching a taxi.
You can expect a journey time of roughly 45 minutes when using public transport.
Searching for a convenient hotel near AUS? If you've booked an early flight from Austin-Bergstrom Airport to Philadelphia International Airport, these stays will put you moments from check-in:

Arriving at Philadelphia International Airport (PHL)

If you're arriving on a late Austin-Bergstrom Airport to Philadelphia International Airport flight, few things beat the convenience of staying near the terminal. Pick up your bags from the carousel and then be showered and resting shortly after at one of these options near PHL:
Pick up a Philadelphia International Airport rental car and discover Philadelphia and beyond with your own wheels. Dollar, Thrifty and Budget are top providers to choose from here.
Lock in the best rate by reserving your ride from Philadelphia International Airport about three weeks before your trip.

Getting from Philadelphia International Airport (PHL) to central Philadelphia

You'll find PHL at 8500 Essington Ave.
From Philadelphia International Airport, Philadelphia is approximately 18 kilometres away. It takes around 20 minutes to drive to the centre.
If you're travelling by public transport, expect a journey time of roughly 30 minutes.

When to fly to Philadelphia International Airport (PHL)

August is the most popular month for flights from Austin-Bergstrom Airport to Philadelphia International Airport. To skip the crowds, head to Philadelphia in March.
Book your flight from Austin-Bergstrom Airport to Philadelphia International Airport for July if you'd like to visit Philadelphia during its warmest month. Expect temperatures of between 18ºC and 32ºC.
For cooler conditions, look for a cheap ticket from AUS to PHL in January. Temperatures average between -7ºC and 9ºC then.

Explore more of the United States

You've seen Philadelphia, now it's time to explore other parts of the United States. Journey around 129 kilometres north-east to New York to tick off its leading sights. From Central Park to Statue of Liberty and Metropolitan Museum of Art, you'll have a full itinerary ahead.
Boston is another favourite destination in the United States and is around 434 kilometres north-east of Philadelphia. No journey is complete without dropping by Museum of Fine Arts Boston, Freedom Trail and USS Constitution Museum.