Cheap flights from George Bush Intercontinental to Austin-Bergstrom from $79
Updated 2026-07-26
140 miles great-circle distance, typically flown in 41m with 5 airlines operating direct service from George Bush Intercontinental (IAH) to Austin-Bergstrom (AUS). Fares on this corridor stay relatively stable across the year — booking 4–8 weeks ahead and choosing a midweek departure typically secures the best price.
Flying from George Bush Intercontinental
Houston George Bush Intercontinental is United Airlines' second-largest hub after Newark, with five terminals and a Skytrain people mover connecting them. METRO's bus 102 runs from the airport to downtown Houston in around 50 minutes; light rail does not extend to IAH. International long-haul through Houston is heaviest to Latin America (over 30 destinations) and Europe, with Lufthansa, KLM, Air France and British Airways all operating daily and growing Middle East service via Qatar, Emirates and Turkish.
Arriving in Austin
Austin-Bergstrom International is 6 miles southeast of downtown Austin. CapMetro Route 20 runs every 30 minutes between the airport and downtown for $1.25. Fares to Austin peak sharply for South by Southwest (mid-March), the Austin City Limits Festival (early October) and University of Texas football weekends; January and late summer are the cheapest. ULCC carriers Spirit and Frontier run heavy capacity.
Who flies IAH to AUS?
| Airline | IATA | Flight time | Cabin |
| United Airlines | UA | 41m | Economy |
| American Airlines | AA | 41m | Economy |
| Spirit Airlines | NK | 41m | Economy |
| Frontier Airlines | F9 | 41m | Economy |
| Delta Air Lines | DL | 41m | Economy |
5 carriers fly direct on this corridor. Frequencies vary by season — summer and winter holiday peaks see additional flights.
Houston to Austin FAQs
Direct flights from George Bush Intercontinental (IAH) to Austin-Bergstrom (AUS) take approximately 41m for the 140-mile journey, plus 30–60 minutes of taxi, climb and descent. Total airport-to-airport time depends on cruise winds and air-traffic queueing on approach.
5 carriers operate direct service from George Bush Intercontinental (IAH) to Austin-Bergstrom (AUS): United Airlines, American Airlines, Spirit Airlines, Frontier Airlines and Delta Air Lines. Frequencies vary by season and carrier — United Airlines typically operates the highest weekly count on this corridor.
No — United States is domestic travel for US citizens. A US passport is not required for the 50 states, DC or US territories (Puerto Rico, US Virgin Islands, Guam, American Samoa, Northern Mariana Islands), though Real ID-compliant ID is required at TSA from May 2025.
Austin-Bergstrom (AUS) is the primary international airport for Austin. Allow 30–60 minutes for the ground transfer by train, express bus, taxi or rideshare depending on traffic and time of day. See the airport's official website for current train and shuttle timetables.