What is the cheapest airline that flies from Austin Bergstrom to Chicago?

Frontier, Spirit Airlines, and Southwest are the most popular carriers operating from Austin Bergstrom to Chicago

Which layover airport has the shortest travel time from Austin to Chicago?

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 5h 41m.

Which layover airport offers the lowest fares from Austin to Chicago?

Flights via Denver (DEN) offer the lowest average round-trip price of $190.

Which airport is the most popular layover for flights between Austin and Chicago?

Denver (DEN) was the most common stop: 58% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from Austin to Chicago?

Denver (DEN) has the shortest average layover time for this route: 2h 25m.

How many flights depart from Austin to Chicago on average per day?

34 flights are operational daily from Austin to Chicago as of August 2025. The most popular departure time for this route is 8:00AM, with 51% of flights per day taking off at noon.

How many flights depart from Austin to Chicago on average per week?

As of August 2025, there are 239 flights per week flying from Austin to Chicago. The most common day of the week flights depart is Thu, with 19% of flights taking off on this day.

What airlines fly to Chicago?

American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Chicago from Austin according to our data. American Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Chicago. Keep in mind that there are 5 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Austin Bergstrom Airport to Chicago?

Prices for flights from Austin Bergstrom Airport to Chicago refresh daily.

How many operators does momondo search for flights from Austin Bergstrom Airport to Chicago?

As of August 2025, there are 5 operators available to choose from for flights from Austin Bergstrom Airport to Chicago.

How old do you have to be to fly from Austin Bergstrom Airport to Chicago?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Austin Bergstrom Airport to Chicago.

What documentation or ID do you need to fly to Chicago?

The travel and health documents required for your trip to Chicago 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 Chicago. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$39 Cheap Flights from Austin to Chicago (AUS-CHI) in 2025

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Find the cheapest flights from Austin to Chicago (AUS-CHI)

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

11:27 am - 2:20 pmAUS-ORD

2h 53mnonstop

7:30 am - 10:37 amORD-AUS

3h 07mnonstop

$73Frontier

Find Deal

Fri, Sep 5 - Mon, Sep 8

11:27 am - 2:20 pmAUS-ORD

2h 53mnonstop

7:30 am - 10:37 amORD-AUS

3h 07mnonstop

$74Frontier

Find Deal

Fri, Sep 5 - Mon, Sep 8

11:27 am - 2:20 pmAUS-ORD

2h 53mnonstop

7:30 am - 10:37 amORD-AUS

3h 07mnonstop

$76Frontier

Find Deal

Mon, Sep 29 - Mon, Oct 6

4:00 pm - 6:52 pmAUS-ORD

2h 52mnonstop

8:58 pm - 11:41 pmORD-AUS

2h 43mnonstop

$138American Airlines

Find Deal

Sat, Sep 13 - Sat, Sep 13

7:05 pm - 9:35 pmAUS-MDW

2h 30mnonstop

8:20 am - 11:00 amMDW-AUS

2h 40mnonstop

$143Southwest

Find Deal

Wed, Oct 1 - Sat, Oct 4

12:35 pm - 3:20 pmAUS-ORD

2h 45mnonstop

2:50 pm - 5:40 pmORD-AUS

2h 50mnonstop

$143Southwest

Find Deal

Wed, Oct 1 - Sat, Oct 4

5:45 am - 5:39 pmAUS-ORD

11h 54m1 stop

11:57 am - 9:39 pmORD-AUS

9h 42m1 stop

$147Spirit Airlines

Find Deal

Sat, Sep 13 - Tue, Sep 16

5:45 am - 5:39 pmAUS-ORD

11h 54m1 stop

11:57 am - 11:02 pmORD-AUS

11h 05m1 stop

$153Spirit Airlines

Find Deal

Wed, Sep 10 - Wed, Sep 17

5:30 am - 12:28 pmAUS-MDW

6h 58m1 stop

6:00 am - 12:35 pmMDW-AUS

6h 35m1 stop

$217Delta

Find Deal

Wed, Oct 29 - Sat, Nov 1

3:00 pm - 9:10 pmAUS-MDW

6h 10m1 stop

6:30 pm - 12:13 amMDW-AUS

5h 43m1 stop

$225Delta

Find Deal

Sat, Sep 13 - Mon, Sep 15

Frontier flights from Austin to Chicago

Our best Frontier deals on Austin to Chicago flight tickets

Frontier

Sep 5

AUS11:27 amAustin Bergstrom

2h 53m

ORD2:20 pmChicago O'Hare Intl

Sep 8

ORD7:30 amChicago O'Hare Intl

3h 07m

AUS10:37 amAustin Bergstrom

$73

Find similar

Frontier

Sep 5

AUS11:27 amAustin Bergstrom

2h 53m

ORD2:20 pmChicago O'Hare Intl

Sep 8

ORD7:30 amChicago O'Hare Intl

3h 07m

AUS10:37 amAustin Bergstrom

$74

Find similar

Frontier

Sep 29

AUS11:27 amAustin Bergstrom

2h 53m

ORD2:20 pmChicago O'Hare Intl

Oct 6

ORD7:30 amChicago O'Hare Intl

3h 07m

AUS10:37 amAustin Bergstrom

$76

Find similar

Spirit Airlines flights from Austin to Chicago

Our best Spirit Airlines deals on Austin to Chicago flight tickets

Spirit Airlines

Sep 13

AUS5:45 amAustin Bergstrom

11h 54m

1 stop

ORD5:39 pmChicago O'Hare Intl

Sep 16

ORD11:57 amChicago O'Hare Intl

9h 42m

1 stop

AUS9:39 pmAustin Bergstrom

$147

Find similar

Spirit Airlines

Sep 10

AUS5:45 amAustin Bergstrom

11h 54m

1 stop

ORD5:39 pmChicago O'Hare Intl

Sep 17

ORD11:57 amChicago O'Hare Intl

11h 05m

1 stop

AUS11:02 pmAustin Bergstrom

$153

Find similar

Spirit Airlines

Sep 9

AUS5:45 amAustin Bergstrom

11h 54m

1 stop

ORD5:39 pmChicago O'Hare Intl

Sep 16

ORD11:57 amChicago O'Hare Intl

9h 42m

1 stop

AUS9:39 pmAustin Bergstrom

$154

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AustinChicago

AUS - ORD

AUSORD

Austin Bergstrom

Fri 9/5

11:27 am-2:20 pm

Nonstop2h 53m

Chicago O'Hare Intl

Mon 9/8

7:30 am-10:37 am

Nonstop3h 07m

$73

AustinChicago

AUS - ORD

AUSORD

Austin Bergstrom

Fri 9/5

11:27 am-2:20 pm

Nonstop2h 53m

Chicago O'Hare Intl

Mon 9/8

7:30 am-10:37 am

Nonstop3h 07m

$74

AustinChicago

AUS - ORD

AUSORD

Austin Bergstrom

Mon 9/29

11:27 am-2:20 pm

Nonstop2h 53m

Chicago O'Hare Intl

Mon 10/6

7:30 am-10:37 am

Nonstop3h 07m

$76

AustinChicago

AUS - ORD

AUSORD

Austin Bergstrom

Sat 9/13

4:00 pm-6:52 pm

Nonstop2h 52m

Chicago O'Hare Intl

Sat 9/13

8:58 pm-11:41 pm

Nonstop2h 43m

$138

AustinChicago

AUS - MDW

AUSMDW

Austin Bergstrom

Wed 10/1

7:05 pm-9:35 pm

Nonstop2h 30m

Chicago Midway

Sat 10/4

8:20 am-11:00 am

Nonstop2h 40m

$143

AustinChicago

AUS - ORD

AUSORD

Austin Bergstrom

Wed 10/1

12:35 pm-3:20 pm

Nonstop2h 45m

Chicago O'Hare Intl

Sat 10/4

2:50 pm-5:40 pm

Nonstop2h 50m

$143

AustinChicago

AUS - ORD

AUSORD

Austin Bergstrom

Sat 9/13

5:45 am-5:39 pm

1 stop11h 54m

Chicago O'Hare Intl

Tue 9/16

11:57 am-9:39 pm

1 stop9h 42m

$147

AustinChicago

AUS - ORD

AUSORD

Austin Bergstrom

Wed 9/10

5:45 am-5:39 pm

1 stop11h 54m

Chicago O'Hare Intl

Wed 9/17

11:57 am-11:02 pm

1 stop11h 05m

$153

AustinChicago

AUS - MDW

AUSMDW

Austin Bergstrom

Wed 10/29

5:30 am-12:28 pm

1 stop6h 58m

Chicago Midway

Sat 11/1

6:00 am-12:35 pm

1 stop6h 35m

$217

AustinChicago

AUS - MDW

AUSMDW

Austin Bergstrom

Sat 9/13

3:00 pm-9:10 pm

1 stop6h 10m

Chicago Midway

Mon 9/15

6:30 pm-12:13 am

1 stop5h 43m

$225

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Austin to Chicago

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

Prices

Airlines

Layovers

Other information

What is the cheapest month to fly to Chicago?

The month of April is, on average, the cheapest month to fly to Chicago from Austin, with most prices found around $247. If you’re not able to fly to Chicago in April, then July is your next best option. Flight prices from Austin to Chicago during July average around $254.

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Thursday when prices can be found for as low as $382. 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 Austin to Chicago for around $704.

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

Our most recent data shows that the best time of day to fly to Chicago is in the evening. Flights from Austin to Chicago during this time can be as low as $336. In contrast, the most expensive time of day to depart to Chicago is in the afternoon when prices are around $553.

What is the cheapest Austin Bergstrom to Chicago flight route?

Fly from Austin Bergstrom to Chicago O'Hare Intl for the best Austin Bergstrom - Chicago flight prices

How far in advance should I book a flight to Chicago?

You are more likely to see cheaper flights to Chicago from Austin when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $325 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Austin for as low as $240 on momondo.

What cabin class options are available on Austin Bergstrom to Chicago flights?

There are 4 cabin classes available to choose from on Austin Bergstrom to Chicago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Austin to Chicago flights?

No. A direct flight is the cheapest option for a flight between Austin to Chicago.

How have Austin to Chicago flight prices changed over time?

As of August 2025, prices for Austin to Chicago flights are approximately 10% cheaper when compared to flights at the same time last year.

When to book flights from Austin to Chicago

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

Estimated round-trip price

Cheap Austin to Chicago (AUS to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Austin to Chicago

Best Price Found	$39
Fastest flight time	2h 30m
Direct flights	Every day
Airports in Chicago	2 airports

The best one-way flight to Chicago from Austin in the past 72 hours is $39. The best round-trip flight deal from Austin to Chicago found on momondo in the last 72 hours is $73.

The fastest flight from Austin to Chicago takes 2h 30m

Direct flights go from Austin to Chicago every day.

There are 2 airports near Chicago: Chicago O'Hare Intl (ORD), Chicago Midway (MDW)

Search flight deals

How far is Austin Bergstrom to Chicago by plane?
The distance between Austin Bergstrom and Chicago is about 978.1 mi. 2h 30m is a normal flight duration for this route.
When did momondo last update prices for flights from Austin Bergstrom Airport to Chicago?
Prices for flights from Austin Bergstrom Airport to Chicago refresh daily.
How many operators does momondo search for flights from Austin Bergstrom Airport to Chicago?
As of August 2025, there are 5 operators available to choose from for flights from Austin Bergstrom Airport to Chicago.
How old do you have to be to fly from Austin Bergstrom Airport to Chicago?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Austin Bergstrom Airport to Chicago.
What documentation or ID do you need to fly to Chicago?
The travel and health documents required for your trip to Chicago 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 Chicago. 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 Austin to Chicago?
momondo data reveals that the most frequently booked plane model on the route from Austin to Chicago is Boeing 737 MAX 8, representing 19.07% of all bookings. The subsequent popular models are Boeing 737-800 at 16.77%, Airbus A319 at 14.89%, and Boeing 737-900 at 11.81%.
What is the most popular airline from Austin to Chicago?
Based on momondo bookings for flights between Austin and Chicago, the leading airline is American Airlines, making up 34% of the total bookings. Other popular airlines include Southwest with 30%, Frontier with 17%, and United Airlines with 17%.

Best airlines flying from Austin to Chicago

Compare and see reviews for airlines that fly from Austin to Chicago with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $66	Free Cancellation	Rating 5.8 3,219 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $103	Free Cancellation	Rating 6.3 8,045 reviews	Search Spirit Airlines flights
Southwest	PriceFrom $162	Free Cancellation	Rating 8.0 4,244 reviews	Search Southwest flights
American Airlines	PriceFrom $174	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $200	Free Cancellation	Rating 7.4 8,916 reviews	Search United Airlines flights

Southwest Flights From Austin to Chicago
The lowest priced Southwest flight from Austin to Chicago from the last 72 hours was $162. Generally, Southwest has 25 flights on this route every week with an average price of $339. Southwest is rated 8.0/10 by our users.
United Airlines Flights From Austin to Chicago
Across 8,916 United Airlines reviews on momondo, the average score is 7.4/10. United Airlines flies from Austin to Chicago about 19 times each week, with ticket deals ranging from $200 to $402. Price data is based on momondo searches in the last 72 hours.

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Porter

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Why use momondo?

Why should I use momondo to find a flight deal from Austin to Chicago?

It is quick and easy to find Austin to Chicago flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chicago that suits you.

Can I find flights from Austin to Chicago with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Austin to Chicago flights to just show those with flexible booking policies.

How can momondo help me find flights from Austin to Chicago?

Once you have performed a search for Austin to Chicago 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 Austin to Chicago right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Austin to Chicago flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Austin to Chicago from $39

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Austin to Chicago departing on 9/22. 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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Find the cheapest flights from Austin to Chicago (AUS-CHI)

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Frontier flights from Austin to Chicago

Our best Frontier deals on Austin to Chicago flight tickets

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Our best Spirit Airlines deals on Austin to Chicago flight tickets

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Use the filters below to find and compare flights from Austin to Chicago that are best for you.

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How to get the cheapest flight ticket from Austin to Chicago

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 Chicago?

The month of April is, on average, the cheapest month to fly to Chicago from Austin, with most prices found around $247. If you’re not able to fly to Chicago in April, then July is your next best option. Flight prices from Austin to Chicago during July average around $254.

What is the cheapest day to depart on your flight to Chicago?

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

Our most recent data shows that the best time of day to fly to Chicago is in the evening. Flights from Austin to Chicago during this time can be as low as $336. In contrast, the most expensive time of day to depart to Chicago is in the afternoon when prices are around $553.

What is the cheapest Austin Bergstrom to Chicago flight route?

Fly from Austin Bergstrom to Chicago O'Hare Intl for the best Austin Bergstrom - Chicago flight prices

How far in advance should I book a flight to Chicago?

What cabin class options are available on Austin Bergstrom to Chicago flights?

There are 4 cabin classes available to choose from on Austin Bergstrom to Chicago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Austin to Chicago flights?

No. A direct flight is the cheapest option for a flight between Austin to Chicago.

How have Austin to Chicago flight prices changed over time?

As of August 2025, prices for Austin to Chicago flights are approximately 10% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Austin Bergstrom to Chicago?

Frontier, Spirit Airlines, and Southwest are the most popular carriers operating from Austin Bergstrom to Chicago

What airlines fly to Chicago?

Which airport is the most popular layover for flights between Austin and Chicago?

Denver (DEN) was the most common stop: 58% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Austin to Chicago?

Flights via Denver (DEN) offer the lowest average round-trip price of $190.

Which layover airport has the shortest travel time from Austin to Chicago?

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 5h 41m.

Which layover airport has the shortest connection time from Austin to Chicago?

Denver (DEN) has the shortest average layover time for this route: 2h 25m.

How many flights depart from Austin to Chicago on average per day?

34 flights are operational daily from Austin to Chicago as of August 2025. The most popular departure time for this route is 8:00AM, with 51% of flights per day taking off at noon.

How many flights depart from Austin to Chicago on average per week?

As of August 2025, there are 239 flights per week flying from Austin to Chicago. The most common day of the week flights depart is Thu, with 19% of flights taking off on this day.

When to book flights from Austin to Chicago

Cheap Austin to Chicago (AUS to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Austin to Chicago

Best Price Found

Fastest flight time

Direct flights

Airports in Chicago

How far is Austin Bergstrom to Chicago by plane?

When did momondo last update prices for flights from Austin Bergstrom Airport to Chicago?

How many operators does momondo search for flights from Austin Bergstrom Airport to Chicago?

How old do you have to be to fly from Austin Bergstrom Airport to Chicago?

What documentation or ID do you need to fly to Chicago?

What is the most popular plane model from Austin to Chicago?

What is the most popular airline from Austin to Chicago?

Best airlines flying from Austin to Chicago

Compare and see reviews for airlines that fly from Austin to Chicago with momondo

Southwest Flights From Austin to Chicago

United Airlines Flights From Austin to Chicago

Traveling to a place near Chicago?

Why use momondo?

Why should I use momondo to find a flight deal from Austin to Chicago?

Can I find flights from Austin to Chicago with flexible booking policies on momondo?

How can momondo help me find flights from Austin to Chicago?

I’m not ready to book a flight from Austin to Chicago right now. Can momondo alert me if prices change?

An easier way to manage your Chicago trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down