Cheap flights from Chicago to Austin from $77
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Austin departing on 9/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Chicago to Austin
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Austin?
The cheapest month to fly to Austin from Chicago is in April. Flight prices, which tend to average around $267, are often lower during this time because this is during the off-season. If you’re not able to fly to Austin in April, then May is your next best option. Flight prices from Chicago to Austin during May average around $289.
What is the cheapest day to depart on your flight to Austin?
The cheapest day to depart on your flight to Austin is on a Tuesday when prices can be found for as low as $318. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Chicago to Austin for around $399.
What is the cheapest time of day to depart on your flight to Austin?
At noon is the cheapest time of day to fly from Chicago to Austin when you can find flight prices for as low as $334. 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 $360. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Chicago to Austin Bergstrom flight route?
Fly from Chicago O'Hare Intl to Austin Bergstrom for the best Chicago - Austin Bergstrom flight prices
How far in advance should I book a flight to Austin?
You are more likely to see cheaper flights to Austin from Chicago when booking 12 weeks ahead of your departure date. In general, you can expect to find flights to Austin for around $335 when searching 12 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Austin from Chicago for as low as $257 on momondo.
What cabin class options are available on Chicago to Austin Bergstrom flights?
There are 4 cabin classes available to choose from on Chicago to Austin Bergstrom flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Chicago to Austin Bergstrom?
Frontier, American Airlines, and Southwest are the most popular carriers operating from Chicago to Austin Bergstrom
What airlines fly to Austin?
American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Austin from Chicago according to our data. American Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Austin. Keep in mind that there are 5 different airlines that fly to Austin on a routine basis, so you have a few additional options to choose from.
How many flights depart from Chicago to Austin on average per day?
As of June 2025, there are 34 flights per day flying from Chicago to Austin. The most common time of day flights depart is 7:00PM, with 57% of flights taking off in the evening.
How many flights depart from Chicago to Austin on average per week?
As of June 2025, 242 flights take off from Chicago and land in Austin each week. The most common flight departure day for this route is Thu, with 18% of weekly flights taking off on this day.
When to book flights from Chicago to Austin
Cheap Chicago to Austin (CHI to AUS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago to Austin
How far is Chicago to Austin Bergstrom by plane?
A flight from Chicago to Austin Bergstrom will travel around 978.1 mi. A reasonable flight in good conditions will take 2h 30m.
When did momondo last update prices for flights from Chicago to Austin Bergstrom Airport?
Prices for flights from Chicago to Austin Bergstrom Airport were last updated today.
How many operators does momondo search for flights from Chicago to Austin Bergstrom Airport?
The number of operators available for flights from Chicago to Austin Bergstrom Airport is 5 as of June 2025.
How old do you have to be to fly from Chicago to Austin Bergstrom Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago to Austin Bergstrom Airport.
What documentation or ID do you need to fly to Austin Bergstrom Airport?
The travel and health documents required for your trip to Austin Bergstrom Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Austin Bergstrom Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Chicago to Austin?
momondo data reveals that the most frequently booked plane model on the route from Chicago to Austin is Boeing 737-800, representing 19.33% of all bookings. The subsequent popular models are Airbus A319 at 17.14%, Boeing 737 MAX 8 at 11.03%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 10.80%.
What is the most popular airline from Chicago to Austin?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Chicago to Austin is American Airlines (31% of total bookings). The next most popular airlines are Southwest (30%), United Airlines (26%), and Frontier (13%).
Best airlines flying from Chicago to Austin
Compare and see reviews for airlines that fly from Chicago to Austin with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $69 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $144 | Free Cancellation | Rating 6.3 8,052 reviews | |||
| PriceFrom $176 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $177 | Free Cancellation | Rating 8.0 4,287 reviews | |||
| PriceFrom $198 | Free Cancellation | Rating 7.4 8,790 reviews |
Southwest Flights From Chicago to Austin
Southwest flight deals from Chicago to Austin start from $177 round-trip. Over the 31 Southwest flights for this route in a normal week, average airfare is usually $351 round-trip - but some users have found much cheaper deals with momondo.
United Airlines Flights From Chicago to Austin
$198 is the best United Airlines flight deal from Chicago to Austin found on momondo over the last 72 hours. The average United Airlines ticket price found was closer to $403, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 8,790 user reviews) flies into Austin from Chicago 18 times in an average week so prices can vary.
Traveling to a place near Austin?
Book flights to Austin if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Chicago to Austin?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Austin for you.
Can I find flights from Chicago to Austin with flexible booking policies on momondo?
Flights from Chicago to Austin with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Chicago to Austin?
Once you have performed a search for Chicago to Austin flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Chicago to Austin right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Chicago to Austin flights. All you need is a valid email address and we will do the rest; it is that quick and easy.