Cheap flights from Philadelphia to Austin
Cheap return flights from Philadelphia to Austin
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Austin flight facts
What you need to know
What are the cheapest airlines?
- Spirit Airlines
- Frontier Airlines
- American Airlines
These airlines usually offer the cheapest flights from Philadelphia to Austin.
What airlines fly indirectly?
- Delta Airlines
- United Airlines
- Southwest Airlines
These airlines fly from Philadelphia to Austin, but you’ll have at least one layover.
How long is the flight?
3 hours 30 minutes
This is the shortest flight time from Philadelphia to Austin.
Alternative flights from the UK to Austin
Check out prices for other routes
Alternative flights from Philadelphia
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the Philadelphia/Austin route. There are around 35 flights on any given week from the UK to Austin and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from Philadelphia to Austin
Tips and advice from our flight experts
You've searched for flights from Philadelphia to Austin. We've found 25 flights and compared them to give you the best offer. Spirit Airlines is, on average, the cheapest for this route. Look out for them! The cheapest offer we've found is a one-way ticket for the route from Philadelphia to Austin on 19/04/2026 at 04:05 for £47.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 10 airlines that operate the 2,200 km flight from Philadelphia to Austin.
To find the best offers, book in advance or consider last-minute deals. Look for flights in the off-peak season. Spirit Airlines is a popular choice for this route, with an average duration of 3 hours 30 minutes. After selecting an offer, fill out your information and proceed to payment. Consider booking a hotel with us or using our flight + hotel service to save time and money.
Other popular destinations near Austin
Where other people are flying to
