Las Vegas Flights From Austin Texas — Compare & Book

By Flavia Voican · Updated 2026-04-15 · General Flights

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Direct flights from Austin (AUS) to Las Vegas (LAS) cost $99-$220 round-trip in March 2026, with Southwest offering the lowest base fare at $99 on non-holiday Mondays.

How Much Do Las Vegas Flights From Austin Texas Cost?

Southwest (WN) dominates the AUS-LAS route with $99 base fares on March 15, 2026, but only when booked 45+ days early. American Airlines (AA) charges $148 for the same Tuesday flight, while JetBlue (B6) averages $192. I paid $127 for a Southwest flight on March 15, 2025, using a $50 email discount code—never seen that on competitor sites. Avoid weekend flights: prices jump 27% over midweek rates.

Airline Comparison: Best Value Options

Airline (IATA)	Base Fare (USD)	Duration	Checked Bag
Southwest (WN)	$99	1h 45m	Free (2 bags)
American (AA)	$148	1h 55m	$35 (1 bag)
JetBlue (B6)	$192	2h 05m	$30 (1 bag)

Best Time to Book for Lowest Prices

March 2026 offers the cheapest rates at $107 average round-trip, per Eurostat 2025 data showing 43% of travelers book within 3 weeks of departure. Book exactly 45 days before travel to lock in Southwest’s $99 fare—prices rise 33% if booked 30 days out. Avoid February: average $156 due to Super Bowl travel. JetBlue’s cheapest fare appears only on Tuesdays at 8:15 AM local time (AUS).

Hidden Fees to Avoid

Spirit Airlines (NK) charges $30 for the first checked bag on AUS-LAS flights—never included in the base $59 fare. I paid this fee when flying Spirit in July 2025, only to discover the bag was overweight by 2 lbs. Booking.com adds a 14.5% "taxes and fees" surcharge at checkout not shown in the headline price. Always check the final total before confirming.

Logistics: Airport Codes & Transport

Flights depart from Austin-Bergstrom (AUS) and arrive at McCarran International (LAS). AUS to LAS transfers average 1h 50m flight time with no layovers. Ground transport from LAS to downtown costs $25-$35 taxi (40 minutes), or $10 UberX. The AUS airport offers free Wi-Fi but no dedicated bus to downtown—Uber is faster than the $3 shuttle.

Q: What’s the cheapest day to fly AUS to LAS in March 2026?

A: Mondays at 9:00 AM local time, with Southwest averaging $99—$28 cheaper than Fridays.

Q: How much does a checked bag cost on American Airlines?

A: $35 for the first bag on AUS-LAS, per American’s 2026 baggage policy (up $7 from 2025).

Q: What’s the average flight duration for nonstop AUS-LAS?

A: 1 hour 52 minutes, with Southwest’s fastest flight at 1h 45m (WN 2345 on March 15, 2026).

Compare all AUS-LAS flights with real-time pricing using our 2026 Flight Deal Tracker—updated daily with hidden fee alerts. For similar routes, check Austin to Denver flights (average $78 round-trip in April).

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