Cheap flights from Harlingen to Austin from $59

The cheapest month to fly to Austin from Harlingen is in August. Flight prices, which tend to average around $117, are often lower during this time because this is during the off-season. If you’re not able to fly to Austin in August, then June is your next best option. Flight prices from Harlingen to Austin during June average around $138.

The cheapest day to depart on your flight to Austin is on a Sunday when prices can be found for as low as $368. This is often the case because there is less demand to fly during this day of the week. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Harlingen to Austin for around $378.

In the afternoon is the cheapest time of day to fly from Harlingen to Austin when you can find flight prices for as low as $336. Flying to Austin in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Austin are more costly at noon, with an average ticket price of $421. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Harlingen Valley Intl to Austin Bergstrom for the best Harlingen Valley Intl - Austin Bergstrom flight prices

There is only 1 cabin class available to choose from on Harlingen to Austin flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 31% on your flight if you consider stops on a Harlingen to Austin flight.

Southwest and United Airlines are the most popular carriers operating from Harlingen Valley Intl to Austin Bergstrom

Delta, United Airlines and Southwest are the top three most popular airlines that fly to Austin from Harlingen according to our data. Delta is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Austin. Keep in mind that there are 3 different airlines that fly to Austin on a routine basis, so you have a few additional options to choose from.

As of September 2026, 1 flights take off from Harlingen and land in Austin each day. The most common flight departure time for this route is 6:00AM, with 63% of daily flights taking off at noon.

13 flights are operational weekly from Harlingen to Austin as of September 2026. The most popular departure day for this route is Mon, with 23% of flights per week taking off on this day.