Raleigh (RDU) to Austin (AUS) Flights: Your Ultimate Guide to the Silicon Hills
Cheapest flight found
$139
Last updated Mar 13, 2026
Prices by Month
Price History
Tracking the May 7, 2026 departure — the cheapest date we found.
Price Behavior: RDU → AUS
Based on 6 months of fare data collected by Trip Manta.
Lowest Fare
$139
Highest Fare
$224
Median Fare
$214
Price Spread
$85
Prices vary significantly — hourly tracking is especially valuable here.
Cheapest month to fly: May 2026 (from $139)
Most expensive month: July 2026 (from $224)
Biggest price drop caught: $55 between consecutive checks
Most frequent cheapest airline: Frontier
What This Means for You
Flights from Raleigh to Austin range from $139 to $224, a $85 spread across the months we track. If your dates are flexible, May 2026 tends to have the lowest fares. Because prices on this route change significantly, setting up hourly price alerts gives you the best chance of catching a short-lived drop before it corrects. We have caught drops as large as $55 between hourly checks on this route.
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From
Raleigh (RDU)
To
Austin (AUS)
Airport Information
Raleigh (RDU)
Raleigh-Durham International Airport (RDU) serves as the primary gateway for the Research Triangle region, known for its efficiency and modern amenities. Located conveniently between Raleigh, Durham, and Chapel Hill, the airport features two main terminals. Travelers can enjoy local North Carolina flavors at various dining outlets or utilize the free Wi-Fi while waiting at the gate. RDU is frequently praised for its manageable size and relatively quick security wait times compared to larger national hubs.
Austin (AUS)
Austin-Bergstrom International Airport (AUS) is a unique reflection of the city's "Keep Austin Weird" culture, featuring live music stages right inside the terminal buildings. As the main airport serving Greater Austin, it has seen massive expansion recently to accommodate its growing popularity. The airport is located just southeast of the city center, making it one of the most accessible major airports in the country. Visitors can sample famous local barbecue or browse shops featuring Texas-themed goods before heading out into the city.
Frequently Asked Questions
How long is the flight from RDU to AUS?
A non-stop flight typically takes approximately 3 hours and 15 minutes to 3 hours and 45 minutes, depending on wind conditions.
Which airlines offer direct flights between Raleigh and Austin?
American Airlines and Delta Air Lines frequently offer non-stop service, while Southwest and United provide convenient one-stop connections.
What is the time difference between Raleigh and Austin?
Austin is in the Central Time Zone, which is one hour behind Raleigh’s Eastern Time Zone.
Is there a public transportation option from Austin's airport to downtown?
Yes, the Capital Metro (CapMetro) Route 20 bus provides frequent service from the airport terminal to various points in downtown Austin.
When is the best time to find cheap flights for this route?
Booking mid-week (Tuesday or Wednesday) and traveling during late winter or late spring usually results in the lowest airfares for the RDU to AUS route.
Learn More About Price Tracking
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Trip Manta vs Google Flights
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Our Methodology
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How Often Do Prices Drop?
Data study: drop frequency, average savings, and how long drops last.
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