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Cheap flights from Phoenix to Austin

Southwest, American, Delta and Frontier fly nonstop from Phoenix to Austin. The flight takes about 2h 20m.

Live deals: Phoenix to Austin

−32%Verified fare
PHX → Austin
United States · Frontier · Nonstop
$106 round trip
Usually ~$155 · Feb 2027

More live deals from Phoenix

−62%Verified fare
PHX → San Francisco
United States · Frontier · Nonstop
$38 round trip
Usually ~$100 · Feb 2027
−59%Verified fare
PHX → Denver
United States · Frontier · Nonstop
$57 round trip
Usually ~$138 · Nov 2026

Phoenix to Austin at a glance

FromPhoenix Sky Harbor (PHX)
ToAustin-Bergstrom International (AUS)
Nonstop airlinesSouthwest (about 40 flights a week)
American (about 28 a week)
Delta (about 7 a week)
Frontier
Flight timeAbout 2h 20m (869 miles)
Cheapest monthJanuary (median about $197 round trip)
Most expensiveJune and May
Typical round trip$184 to $408 (average $282)
Best time to bookAbout 8 weeks ahead
Google Flights typical priceAbout $155 round trip, for the dates we checked recently

When flights to Austin are cheapest

January is usually the cheapest month to fly from Phoenix to Austin, with a median round trip around $197. June and May cost the most, around $496 and $392. Most round trips have cost $184 to $408 (average $282).

Booking about 8 weeks before departure has saved the most on this route, about 48% compared with booking in the last two weeks.

Those are typical prices. Our daily scan looks for fares well below them: when one shows up from PHX, it appears at the top of this page and goes out by email.

Good to know

  • June fares have run about two and a half times January fares on this route, so the month you pick matters more than the airline.
  • Thursday has usually been the cheapest day to fly this route and Sunday the most expensive, per KAYAK.
  • Austin is one hour ahead of Phoenix in winter and two hours ahead in summer, because Arizona does not use daylight saving time.
  • At PHX, Southwest and American fly from Terminal 4. Delta and Frontier fly from Terminal 3.

Recent deals on this route

PHX → Austin: $106−32% · Feb 2027PHX → Austin: $152−20% · Dec 2026

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Questions

Which airlines fly nonstop from Phoenix to Austin?

Southwest (about 40 flights a week); American (about 28 a week); Delta (about 7 a week); Frontier. Schedules change, so check before booking.

How long is the flight from Phoenix to Austin?

About 2h 20m (869 miles).

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

January is usually the cheapest month to fly from Phoenix to Austin, with a median round trip around $197. June and May cost the most, around $496 and $392. Most round trips have cost $184 to $408 (average $282).

How far in advance should I book Phoenix to Austin?

Booking about 8 weeks before departure has saved the most on this route, about 48% compared with booking in the last two weeks.

How do I find a cheap flight from Phoenix to Austin?

Be flexible on dates, compare the nearby airports listed above, and watch for fare drops. Our free newsletter checks fares from PHX every morning and only sends fares at least 20% below the typical price for that route and dates.

Prices are round-trip medians over the past 12 months from KAYAK route data, checked October 2026. Nonstop airlines from Phoenix Sky Harbor and airline schedules as of October 2026. Fares and schedules change, so confirm before you book.

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