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Cheap flights from Chicago to Austin from $54

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 2/6. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:45 am - 10:49 am
ORD
-
AUS
3h 04mnonstop
Frontier Logo
11:44 am - 2:30 pm
AUS
-
ORD
2h 46mnonstop
$99Frontier
Mon, Feb 23 - Fri, Feb 27
Frontier Logo
2:30 pm - 5:34 pm
ORD
-
AUS
3h 04mnonstop
Frontier Logo
11:44 am - 2:30 pm
AUS
-
ORD
2h 46mnonstop
$100Frontier
Fri, Feb 20 - Mon, Feb 23
Frontier Logo
2:30 pm - 5:34 pm
ORD
-
AUS
3h 04mnonstop
Frontier Logo
11:44 am - 2:30 pm
AUS
-
ORD
2h 46mnonstop
$101Frontier
Fri, Feb 20 - Mon, Feb 23
Multiple Airlines Logo
2:30 pm - 5:34 pm
ORD
-
AUS
3h 04mnonstop
Multiple Airlines Logo
7:15 am - 9:13 pm
AUS
-
ORD
13h 58m
1 stop
$102Multiple Airlines
Fri, Feb 20 - Tue, Feb 24
Frontier Logo
6:04 pm - 9:08 pm
ORD
-
AUS
3h 04mnonstop
Frontier Logo
10:03 pm - 12:49 am
AUS
-
ORD
2h 46mnonstop
$104Frontier
Thu, Mar 12 - Sun, Mar 15
Frontier Logo
6:04 pm - 9:08 pm
ORD
-
AUS
3h 04mnonstop
Frontier Logo
10:03 pm - 12:49 am
AUS
-
ORD
2h 46mnonstop
$105Frontier
Thu, Mar 12 - Sun, Mar 15
Multiple Airlines Logo
7:45 am - 10:49 am
ORD
-
AUS
3h 04mnonstop
Multiple Airlines Logo
11:34 am - 11:47 pm
AUS
-
ORD
12h 13m
1 stop
$106Multiple Airlines
Mon, Feb 23 - Sat, Feb 28
Multiple Airlines Logo
7:00 am - 8:53 pm
ORD
-
AUS
13h 53m
1 stop
Multiple Airlines Logo
11:44 am - 2:30 pm
AUS
-
ORD
2h 46mnonstop
$109Multiple Airlines
Wed, Feb 18 - Fri, Feb 27
Multiple Airlines Logo
7:20 am - 9:35 pm
ORD
-
AUS
14h 15m
1 stop
Multiple Airlines Logo
12:24 pm - 3:10 pm
AUS
-
ORD
2h 46mnonstop
$110Multiple Airlines
Wed, Feb 4 - Fri, Feb 6
Southwest Logo
2:20 pm - 5:10 pm
MDW
-
AUS
2h 50mnonstop
Southwest Logo
2:00 pm - 4:30 pm
AUS
-
MDW
2h 30mnonstop
$179Southwest
Wed, Feb 18 - Wed, Feb 25

Frontier flights from Chicago to Austin

Our best Frontier deals on Chicago to Austin flight tickets
Frontier
Feb 20
ORD2:30 pmChicago O'Hare Intl
3h 04m
AUS5:34 pmAustin Bergstrom
Feb 23
AUS11:44 amAustin Bergstrom
2h 46m
ORD2:30 pmChicago O'Hare Intl
$100
Frontier
Feb 20
ORD2:30 pmChicago O'Hare Intl
3h 04m
AUS5:34 pmAustin Bergstrom
Feb 23
AUS11:44 amAustin Bergstrom
2h 46m
ORD2:30 pmChicago O'Hare Intl
$101
Frontier
Mar 12
ORD6:04 pmChicago O'Hare Intl
3h 04m
AUS9:08 pmAustin Bergstrom
Mar 15
AUS10:03 pmAustin Bergstrom
2h 46m
ORD12:49 amChicago O'Hare Intl
$104

Southwest flights from Chicago to Austin

Our best Southwest deals on Chicago to Austin flight tickets
Southwest
Feb 18
MDW2:20 pmChicago Midway
2h 50m
AUS5:10 pmAustin Bergstrom
Feb 25
AUS2:00 pmAustin Bergstrom
2h 30m
MDW4:30 pmChicago Midway
$179
Southwest
Feb 14
MDW8:30 pmChicago Midway
2h 50m
AUS11:20 pmAustin Bergstrom
Feb 17
AUS6:25 amAustin Bergstrom
2h 30m
MDW8:55 amChicago Midway
$189
Southwest
Apr 10
MDW2:30 pmChicago Midway
2h 40m
AUS5:10 pmAustin Bergstrom
Apr 13
AUS5:10 amAustin Bergstrom
2h 30m
MDW7:40 amChicago Midway
$191

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Austin that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 18, 2026.
Use the filters below to find and compare flights from Chicago to Austin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoAustin

ORD - AUS

ORDAUS

Chicago O'Hare Intl

Mon 2/23

7:45 am-10:49 am

Nonstop3h 04m

Austin Bergstrom

Fri 2/27

11:44 am-2:30 pm

Nonstop2h 46m

$99

ChicagoAustin

ORD - AUS

ORDAUS

Chicago O'Hare Intl

Fri 2/20

2:30 pm-5:34 pm

Nonstop3h 04m

Austin Bergstrom

Mon 2/23

11:44 am-2:30 pm

Nonstop2h 46m

$100

ChicagoAustin

ORD - AUS

ORDAUS

Chicago O'Hare Intl

Fri 2/20

2:30 pm-5:34 pm

Nonstop3h 04m

Austin Bergstrom

Mon 2/23

11:44 am-2:30 pm

Nonstop2h 46m

$101

ChicagoAustin

ORD - AUS

ORDAUS

Chicago O'Hare Intl

Fri 2/20

2:30 pm-5:34 pm

Nonstop3h 04m

Austin Bergstrom

Tue 2/24

7:15 am-9:13 pm

1 stop13h 58m

$102

ChicagoAustin

ORD - AUS

ORDAUS

Chicago O'Hare Intl

Thu 3/12

6:04 pm-9:08 pm

Nonstop3h 04m

Austin Bergstrom

Sun 3/15

10:03 pm-12:49 am

Nonstop2h 46m

$104

ChicagoAustin

ORD - AUS

ORDAUS

Chicago O'Hare Intl

Thu 3/12

6:04 pm-9:08 pm

Nonstop3h 04m

Austin Bergstrom

Sun 3/15

10:03 pm-12:49 am

Nonstop2h 46m

$105

ChicagoAustin

ORD - AUS

ORDAUS

Chicago O'Hare Intl

Mon 2/23

7:45 am-10:49 am

Nonstop3h 04m

Austin Bergstrom

Sat 2/28

11:34 am-11:47 pm

1 stop12h 13m

$106

ChicagoAustin

ORD - AUS

ORDAUS

Chicago O'Hare Intl

Wed 2/18

7:00 am-8:53 pm

1 stop13h 53m

Austin Bergstrom

Fri 2/27

11:44 am-2:30 pm

Nonstop2h 46m

$109

ChicagoAustin

ORD - AUS

ORDAUS

Chicago O'Hare Intl

Wed 2/4

7:20 am-9:35 pm

1 stop14h 15m

Austin Bergstrom

Fri 2/6

12:24 pm-3:10 pm

Nonstop2h 46m

$110

ChicagoAustin

MDW - AUS

MDWAUS

Chicago Midway

Wed 2/18

2:20 pm-5:10 pm

Nonstop2h 50m

Austin Bergstrom

Wed 2/25

2:00 pm-4:30 pm

Nonstop2h 30m

$179

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Austin from

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 typical price of a round-trip flight between Chicago and Austin?

What is the cheapest month to fly to Austin?

The cheapest month to fly to Austin from Chicago is in January. Flight prices, which tend to average around $218, are often lower during this time because this is during the off-season. If you’re not able to fly to Austin in January, then July is your next best option. Flight prices from Chicago to Austin during July average around $239.

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 Saturday when prices can be found for as low as $261. 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 $362.

What is the cheapest time of day to depart on your flight to Austin?

In the afternoon is the cheapest time of day to fly from Chicago to Austin when you can find flight prices for as low as $259. Flying to Austin in the afternoon 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 $313. 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 weeks ahead of your departure date. In general, you can expect to find flights to Austin for around $276 when searching 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 $221 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.

How have Chicago to Austin flight prices changed over time?

As of January 2026, prices for Chicago to Austin flights are approximately 63% cheaper when compared to flights at the same time last year.

When to book flights from Chicago to Austin

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Austin according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Best Price Found

$91

Fastest flight time

2h 35m

Direct flights

Every day

Airports in Austin

1 airport
The best one-way flight to Austin from Chicago in the past 72 hours is $91. The best round-trip flight deal from Chicago to Austin found on momondo in the last 72 hours is $135.
The fastest flight from Chicago to Austin takes 2h 35m
Direct flights go from Chicago to Austin every day.
There is 1 airport in Austin. From Chicago there are direct flights to Austin Bergstrom (AUS).
Search flight deals

  • 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 35m.

  • 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?

  • 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?

  • What is the most popular airline from Chicago to Austin?

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
FrontierPriceFrom $57Free CancellationRating
5.7
3,057 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $86Free CancellationRating
6.3
8,340 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $151Free CancellationRating
7.4
9,174 reviews
Search United Airlines flights
American AirlinesPriceFrom $168Free CancellationRating
7.2
11,155 reviews
Search American Airlines flights
SouthwestPriceFrom $169Free CancellationRating
8.0
4,261 reviews
Search Southwest flights

  • Southwest Flights From Chicago to Austin

    Southwest flight deals from Chicago to Austin start from $169 round-trip. Over the 25 Southwest flights for this route in a normal week, average airfare is usually $314 round-trip - but some users have found much cheaper deals with momondo.

  • United Airlines Flights From Chicago to Austin

    $151 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 $331, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 9,174 user reviews) flies into Austin from Chicago 22 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 locations
Fredericksburg
Wimberley
San Marcos
Round Rock
Georgetown
Canyon Lake
Marble Falls
Cedar Park
Horseshoe Bay
Dripping Springs
Pflugerville
Kyle
Seguin
Bastrop
Buda
Flatonia

Why 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.

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