How long is the flight from Chicago to Austin?

Southwest and Delta can get you from Chicago to Austin in just under 2h 45m. Your travel time can differ by up to 5h 10m. The distance between Chicago and Austin is about 972 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from Chicago to Austin round-trip?

Our cheapest airline available from Chicago to Austin is Frontier. Our recent data shows that you can find tickets from as low as $77 on this airline. Additional options worth looking into are Spirit Airlines and American Airlines, starting at $86 and $169 round-trip. Frontier is currently priced 75% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Chicago to Austin one-way?

$80 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Spirit Airlines and Southwest, with prices starting from $92 and $99, respectively.

How far ahead should I book a flight from Chicago to Austin?

The price you pay for your flight from Chicago to Austin may vary depending on when you book. For the best chance of a lower fare, look to book 81 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Chicago to Austin?

Currently, August is the cheapest month in which you can book a flight from Chicago to Austin (average of $285). Flying from Chicago to Austin in March is currently the most expensive (average of $362). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from Chicago to Austin?

Travelers seeking maximum savings on their Chicago to Austin flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Chicago to Austin

The most flights from CHI to AUS are scheduled on a Sunday (41 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (27 on average).

In terms of precipitation, rainfall in Austin ranges from 2.1 - 4.2 inches per month. May is typically the wettest month, when rainfall can reach 4.2 in. July is typically the driest time to visit Austin when rainfall is around 2.1 in.

If weather is an important factor for your trip to Austin, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

What are the cheapest flights from Chicago to Austin?

On average you can expect to pay $778 for a flight from Chicago to Austin. The cheapest flight overall is $70 while the most popular route, (Chicago O'Hare Intl - Austin Bergstrom) is currently priced at $114.

What are the most reliable airlines from Chicago to Austin?

Before booking your flight to Austin from Chicago, check out the most reliable airlines to get you to your destination on time: Frontier (83%), Air Canada (81%), United Airlines( 78%).

What are the most popular airlines that fly from Chicago to Austin?

American Airlines, Frontier and Spirit Airlines are the most popular airlines when flying from Chicago to Austin.

What is the cheapest time of day to fly from CHI to AUS?

One of the essential ways to save on airfare from Chicago to Austin is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 13% on airfare.

What airport do you fly into for flights to Austin from Chicago?

For a flight from Chicago to Austin, you will be flying into Austin Bergstrom. Austin Bergstrom (AUS) is just 7.5 mi from the center of the city. Austin Bergstrom is the only Austin airport and it handles 33 inbound flights from Chicago per day. 5 airlines have flights to Austin Bergstrom from Chicago on a regular basis.

Can I find deals for flights from Chicago to Austin that include hotel bookings?

Yes. In addition to deals on Chicago to Austin flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Chicago to Austin?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Austin.

Can I find deals for business class flights from Chicago to Austin?

Yes. Cheapflights offers flight deals from Chicago to Austin by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$75+ Flights from Chicago to Austin

Round-trip from	$142 (Priceline)
One-way from	$75 (Booking.com)
Popular in	December
Cheapest in	July
Average price	$311
Good round-trip deal	$186 or less
Good one-way deal	$116 or less

ORD

At ORD, prepare for long walks between terminals. Use the free shuttle train outside security for easier navigation.

MDW

Use the mobile ordering system at MDW to get food delivered to your gate, saving time for boarding.

AUS

At AUS, use the CapMetro Route 20 bus for a budget-friendly ride to the city, running every 15 minutes during peak hours.

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$77	Average$212	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$86	Average$276	FlexibilityNo cancel fee	On-time65%
American Airlines	Cheapest$169	Average$331	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$177	Average$346	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$192	Average$406	FlexibilityNo cancel fee	On-time69%

$75+ Cheap flights from Chicago (CHI) to Austin (AUS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Chicago to Austin with Cheapflights

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Cheapflights Tip: The best prices from Chicago to Austin Bergstrom are usually found in July or August, booked 81 days in advance, depart on a Saturday or Tuesday and return on a Thursday

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Cheapest flights from Chicago to AustinExplore the most affordable flight options available from Chicago to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

Explore the most affordable flight options available from Chicago to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

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Best time to book a flight from Chicago to Austin

Have a flexible travel schedule? Discover the best time to fly to Austin from Chicago with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Austin

How far ahead should I book a flight from Chicago to Austin?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Austin. Price data was last updated on September 12, 2025.

What is the cheapest month to book a flight from Chicago to Austin?

What is the cheapest time of day to fly from CHI to AUS?

Find hourly flight availability from Chicago to Austin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

What is the cheapest day to fly from Chicago to Austin?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Austin. Price data was last updated on September 14, 2025.

Weekly flight availability from Chicago to Austin

Explore weekly flight availability from Chicago to Austin. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 16, 2025.

Reviews of airlines servicing Austin

See what other customers who have flown with Southwest, United Airlines, and American Airlines from Chicago to Austin have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Austin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Austin from Chicago?

How long is the flight from Chicago to Austin?

What are the cheapest airlines flying from Chicago to Austin round-trip?

What are the cheapest airlines to fly from Chicago to Austin one-way?

What are the most reliable airlines from Chicago to Austin?

What are the cheapest flights from Chicago to Austin?

Can I find deals for flights from Chicago to Austin that include hotel bookings?

How can I find direct flights from Chicago to Austin?

Can I find deals for business class flights from Chicago to Austin?

What is the cheapest month to book a flight from Chicago to Austin?

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Cheapest flights from Chicago to Austin
Explore the most affordable flight options available from Chicago to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.