Cheap flights from Philadelphia to Austin

One-way fares from $386 · PHL → AUS · prices found by travellers in the last 48 hours

Compare all dates Austin → Philadelphia
Cheapest fare
$386

Frontier Airlines · Tue, Nov 3

Cheapest month
November

from $386

Direct flights
Not recently

Usually 1+ stop

Quickest trip
10h 51m

2,310 km

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Cheapest month to fly from Philadelphia to Austin

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $386

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Frontier Airlines
Depart17:45 Tue, Nov 3PHL → AUS 10h 51m · 3 stops
$386one way, per person
View deal
See every date in November 2026 →

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Getting around

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About flights from Philadelphia to Austin

Philadelphia (PHL) and Austin (AUS) are about 2,310 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 10h 51m. Over the next few months, one-way fares start from $386, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Philadelphia to Austin?

The cheapest one-way fare we've seen recently is $386 with Frontier Airlines, departing Tuesday, November 3, 2026.

What is the cheapest month to fly from Philadelphia to Austin?

November 2026 currently has the lowest fares, from $386 one way.

Are there direct flights from Philadelphia to Austin?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Philadelphia to Austin?

The quickest journey we've seen takes about 10h 51m. Philadelphia and Austin are around 2,310 km apart.

Which airlines fly from Philadelphia to Austin?

Recent fares on this route were with Frontier Airlines.

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