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

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

How long does it take to fly to Austin?

The flight from Illinois to Austin depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Chicago (a popular airport in Illinois) to Austin (the most popular airport in Austin), then the flight time is 2h 42m on average. If you fly from Moline (another popular airport in Illinois) to Austin, then the average flight time is 4h 47m.

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

As of December 2025, 32 flights take off from Illinois and land in Austin each day. The most common flight departure time for this route is 7:00PM, with 60% of daily flights taking off in the evening.

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

As of December 2025, 224 flights take off from Illinois and land in Austin each week. The most common flight departure day for this route is Fri, with 18% of weekly flights taking off on this day.

What airlines fly to Austin?

American Airlines, United Airlines and Frontier are the top three most popular airlines that fly to Austin from Illinois according to our data. American Airlines is the first choice among our users, with 50% 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.

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

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

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

As of December 2025, there are 6 operators available to choose from for flights from Illinois to Austin Bergstrom Airport.

How old do you have to be to fly from Illinois 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 Illinois to Austin Bergstrom Airport.

What documentation or ID do you need to fly to Austin Bergstrom Airport?

The required travel and health documents for your Austin Bergstrom Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Austin Bergstrom Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$48 Cheap Flights from Illinois to Austin in 2025/26

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Find the cheapest flights from Illinois to Austin

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

4:31 pm - 7:35 pm

ORD

AUS

3h 04mnonstop

12:24 pm - 3:10 pm

AUS

ORD

2h 46mnonstop

$85Frontier

Mon, Jan 19 - Fri, Jan 30

7:00 am - 10:04 am

ORD

AUS

3h 04mnonstop

11:59 am - 2:45 pm

AUS

ORD

2h 46mnonstop

$87Frontier

Sun, Jan 25 - Thu, Jan 29

8:43 pm - 10:34 am

ORD

AUS

13h 51m1 stop

8:30 pm - 11:16 pm

AUS

ORD

2h 46mnonstop

$90Multiple Airlines

Fri, Jan 16 - Sun, Jan 18

7:20 am - 9:35 pm

ORD

AUS

14h 15m1 stop

11:59 am - 2:45 pm

AUS

ORD

2h 46mnonstop

$94Multiple Airlines

Tue, Jan 27 - Thu, Jan 29

2:20 pm - 5:10 pm

MDW

AUS

2h 50mnonstop

6:55 am - 9:30 am

AUS

MDW

2h 35mnonstop

$179Southwest

Tue, Feb 24 - Sat, Feb 28

2:20 pm - 5:10 pm

MDW

AUS

2h 50mnonstop

6:30 am - 9:00 am

AUS

MDW

2h 30mnonstop

$197Southwest

Thu, Jan 29 - Mon, Feb 2

1:28 pm - 8:44 pm

MDW

AUS

7h 16m1 stop

5:10 pm - 10:22 pm

AUS

MDW

5h 12m1 stop

$199Delta

Sat, Jan 17 - Sat, Jan 31

5:15 pm - 12:20 am

MLI

AUS

7h 05m1 stop

3:00 pm - 10:35 pm

AUS

MLI

7h 35m1 stop

$217Delta

Tue, Apr 7 - Sat, Apr 18

3:20 pm - 11:15 pm

MLI

AUS

7h 55m2 stops

3:33 pm - 10:45 pm

AUS

MLI

7h 12m1 stop

$265United Airlines

Wed, Apr 8 - Wed, Apr 15

8:30 am - 3:24 pm

MLI

AUS

6h 54m2 stops

2:10 pm - 10:45 pm

AUS

MLI

8h 35m2 stops

$270United Airlines

Wed, Apr 8 - Wed, Apr 15

Frontier flights from Illinois to Austin

Our best Frontier deals on Illinois to Austin flight tickets

Frontier

Jan 19

ORD4:31 pmChicago O'Hare Intl

3h 04m

AUS7:35 pmAustin Bergstrom

Feb 6

AUS12:24 pmAustin Bergstrom

2h 46m

ORD3:10 pmChicago O'Hare Intl

$85

Find similar

Frontier

Jan 25

ORD7:00 amChicago O'Hare Intl

3h 04m

AUS10:04 amAustin Bergstrom

Jan 29

AUS11:59 amAustin Bergstrom

2h 46m

ORD2:45 pmChicago O'Hare Intl

$87

Find similar

Frontier

Jan 26

ORD8:00 amChicago O'Hare Intl

3h 04m

AUS11:04 amAustin Bergstrom

Jan 30

AUS12:24 pmAustin Bergstrom

2h 46m

ORD3:10 pmChicago O'Hare Intl

$88

Find similar

Southwest flights from Illinois to Austin

Our best Southwest deals on Illinois to Austin flight tickets

Southwest

Feb 24

MDW2:20 pmChicago Midway

2h 50m

AUS5:10 pmAustin Bergstrom

Feb 28

AUS6:55 amAustin Bergstrom

2h 35m

MDW9:30 amChicago Midway

$179

Find similar

Southwest

Jan 29

MDW8:10 amChicago Midway

2h 55m

AUS11:05 amAustin Bergstrom

Feb 3

AUS2:00 pmAustin Bergstrom

2h 30m

MDW4:30 pmChicago Midway

$197

Find similar

Southwest

Jan 29

MDW8:10 amChicago Midway

2h 55m

AUS11:05 amAustin Bergstrom

Feb 2

AUS1:15 pmAustin Bergstrom

5h 50m

1 stop

MDW7:05 pmChicago Midway

$207

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoAustin

ORD - AUS

ORDAUS

Chicago O'Hare Intl

Mon 1/19

4:31 pm-7:35 pm

Nonstop3h 04m

Austin Bergstrom

Fri 1/30

12:24 pm-3:10 pm

Nonstop2h 46m

$85

ChicagoAustin

ORD - AUS

ORDAUS

Chicago O'Hare Intl

Sun 1/25

7:00 am-10:04 am

Nonstop3h 04m

Austin Bergstrom

Thu 1/29

11:59 am-2:45 pm

Nonstop2h 46m

$87

ChicagoAustin

ORD - AUS

ORDAUS

Chicago O'Hare Intl

Fri 1/16

8:43 pm-10:34 am

1 stop13h 51m

Austin Bergstrom

Sun 1/18

8:30 pm-11:16 pm

Nonstop2h 46m

$90

ChicagoAustin

ORD - AUS

ORDAUS

Chicago O'Hare Intl

Tue 1/27

7:20 am-9:35 pm

1 stop14h 15m

Austin Bergstrom

Thu 1/29

11:59 am-2:45 pm

Nonstop2h 46m

$94

ChicagoAustin

MDW - AUS

MDWAUS

Chicago Midway

Tue 2/24

2:20 pm-5:10 pm

Nonstop2h 50m

Austin Bergstrom

Sat 2/28

6:55 am-9:30 am

Nonstop2h 35m

$179

ChicagoAustin

MDW - AUS

MDWAUS

Chicago Midway

Thu 1/29

2:20 pm-5:10 pm

Nonstop2h 50m

Austin Bergstrom

Mon 2/2

6:30 am-9:00 am

Nonstop2h 30m

$197

ChicagoAustin

MDW - AUS

MDWAUS

Chicago Midway

Sat 1/17

1:28 pm-8:44 pm

1 stop7h 16m

Austin Bergstrom

Sat 1/31

5:10 pm-10:22 pm

1 stop5h 12m

$199

MolineAustin

MLI - AUS

MLIAUS

Moline Quad-City

Tue 4/7

5:15 pm-12:20 am

1 stop7h 05m

Austin Bergstrom

Sat 4/18

3:00 pm-10:35 pm

1 stop7h 35m

$217

MolineAustin

MLI - AUS

MLIAUS

Moline Quad-City

Wed 4/8

3:20 pm-11:15 pm

2 stops7h 55m

Austin Bergstrom

Wed 4/15

3:33 pm-10:45 pm

1 stop7h 12m

$265

MolineAustin

MLI - AUS

MLIAUS

Moline Quad-City

Wed 4/8

8:30 am-3:24 pm

2 stops6h 54m

Austin Bergstrom

Wed 4/15

2:10 pm-10:45 pm

2 stops8h 35m

$270

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How to get the cheapest flight ticket from Illinois 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

Prices

Airlines

Other information

What is the cheapest month to fly to Austin?

The cheapest month to fly to Austin from Illinois is in July. Flight prices, which tend to average around $239, are often lower during this time because this is during the off-season. If you’re not able to fly to Austin in July, then August is your next best option. Flight prices from Illinois to Austin during August average around $241.

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 $265. 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 Illinois to Austin for around $366.

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 Illinois to Austin when you can find flight prices for as low as $283. 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 $324. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Illinois to Austin Bergstrom flight route?

Fly from Chicago O'Hare Intl to Austin Bergstrom for the best Illinois - 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 Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Austin for around $290 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Austin from Illinois for as low as $229 on momondo.

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

There are 4 cabin classes available to choose from on Illinois to Austin Bergstrom 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 Illinois to Austin flights?

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

Cheap Illinois to Austin flight deals and tips

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

Best Price Found	$108
Fastest flight time	2h 10m
Direct flights	Every day
Airports in Austin	1 airport

The best one-way flight to Austin from Illinois in the past 72 hours is $108. The best round-trip flight deal from Illinois to Austin found on momondo in the last 72 hours is $178.

The fastest flight from Illinois to Austin takes 2h 10m

Direct flights go from Illinois to Austin every day.

There is 1 airport in Austin. From Illinois there are direct flights to Austin Bergstrom (AUS).

Search flight deals

When did momondo last update prices for flights from Illinois to Austin Bergstrom Airport?
Prices for flights from Illinois to Austin Bergstrom Airport refresh daily.
How many operators does momondo search for flights from Illinois to Austin Bergstrom Airport?
As of December 2025, there are 6 operators available to choose from for flights from Illinois to Austin Bergstrom Airport.
How old do you have to be to fly from Illinois 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 Illinois to Austin Bergstrom Airport.
What documentation or ID do you need to fly to Austin Bergstrom Airport?
The required travel and health documents for your Austin Bergstrom Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Austin Bergstrom Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Illinois to Austin?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Illinois to Austin is Boeing 737-800 (21.57% of total bookings). The next most popular plane models are Airbus A319 (19.77%), Boeing 737 MAX 8 (9.58%), and Airbus A320-100/200 (8.74%).

Best airlines flying from Illinois to Austin

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $67	Free Cancellation	Rating 5.8 3,071 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $86	Free Cancellation	Rating 6.3 8,211 reviews	Search Spirit Airlines flights
United Airlines	PriceFrom $156	Free Cancellation	Rating 7.4 9,116 reviews	Search United Airlines flights
American Airlines	PriceFrom $168	Free Cancellation	Rating 7.2 11,068 reviews	Search American Airlines flights
Southwest	PriceFrom $169	Free Cancellation	Rating 8.0 4,258 reviews	Search Southwest flights

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Canyon Lake

Marble Falls

Horseshoe Bay

Cedar Park

Dripping Springs

Kyle

Pflugerville

Seguin

Bastrop

Buda

Flatonia

Why use momondo?

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

Finding the right flight to Austin from Illinois is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Austin quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Austin from Illinois with this policy.

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

momondo helps you find the best flight between Illinois and Austin by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Illinois to Austin 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 Illinois to Austin from $48

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Austin departing on 1/12. 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 Illinois to Austin

What is the cheapest month to fly to Austin?

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

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

What is the cheapest Illinois to Austin Bergstrom flight route?

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

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

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

There are 4 cabin classes available to choose from on Illinois to Austin Bergstrom 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 Illinois to Austin flights?

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

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

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

What airlines fly to Austin?

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

As of December 2025, 32 flights take off from Illinois and land in Austin each day. The most common flight departure time for this route is 7:00PM, with 60% of daily flights taking off in the evening.

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

As of December 2025, 224 flights take off from Illinois and land in Austin each week. The most common flight departure day for this route is Fri, with 18% of weekly flights taking off on this day.

How long does it take to fly to Austin?

Cheap Illinois to Austin flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Austin

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

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

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

What documentation or ID do you need to fly to Austin Bergstrom Airport?

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

Best airlines flying from Illinois to Austin

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

Traveling to a place near Austin?

Why use momondo?

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

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

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

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

An easier way to manage your Austin 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

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Texas