Cheap flights from Houston to Austin from $46

The cheapest month to fly to Austin from Houston is in December. Flight prices, which tend to average around $349, are often lower during this time because this is during the off-season. If you’re not able to fly to Austin in December, then August is your next best option. Flight prices from Houston to Austin during August average around $382.

The cheapest day to depart on your flight to Austin is on a Tuesday when prices can be found for as low as $317. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Houston to Austin for around $495.

At noon is the cheapest time of day to fly from Houston to Austin when you can find flight prices for as low as $424. Flying to Austin at noon is an ideal time because this is during off-peak travel hours. Flights to Austin are more costly in the evening, with an average ticket price of $546. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Houston George Bush Intcntl to Austin Bergstrom for the best Houston - Austin Bergstrom flight prices

Historically, on average around 19% of flights between Houston and Austin have experienced a delay on any given week. The average delay length over the past 12 months has been 95 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Southwest have had the least number of delays on this route over the last 12 months; with about 17% of their flights experiencing any sort of delay.

As of September 2026, there are 14 flights per day flying from Houston to Austin. The most common time of day flights depart is 8:00PM, with 47% of flights taking off in the evening.

The number of flights available between Houston and Austin is 98 per week as of September 2026. The most frequent departure day is Mon, with 37% of weekly flights leaving on this day.