How does KAYAK find such low prices on flights from Illinois to Austin?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Austin. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Austin?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Austin from Illinois is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Illinois to Austin?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Austin with an airline and back to Illinois with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Austin?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Austin from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$44 CHEAP FLIGHTS from Illinois to Austin

AUS

KAYAK searches hundreds of travel sites at once for deals on flights to Austin

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

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Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$93

Overall average: $317

Multiple Airlines

Wed 3/4Mon 3/9

ORD - AUS • 1 stop

Cheapest non-stop

$112

Typical prices: $223-$443

Frontier

Thu 3/12Fri 3/20

ORD - AUS • Non-stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Austin!

Flight Deals

Cheap Flights from Illinois to Austin

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Illinois to Austin

Wed, Mar 4 - Mon, Mar 9

7:00 am - 8:53 pm

ORD

AUS

13h 53m

1 stop

9:08 pm - 11:54 pm

AUS

ORD

2h 46mnonstop

$93Multiple Airlines

Fri, Feb 27 - Tue, Mar 3

8:16 pm - 10:29 am

ORD

AUS

14h 13m

1 stop

7:15 am - 7:11 pm

AUS

ORD

11h 56m

1 stop

$95Spirit Airlines

Thu, Mar 12 - Fri, Mar 20

6:04 pm - 9:08 pm

ORD

AUS

3h 04mnonstop

9:08 pm - 11:54 pm

AUS

ORD

2h 46mnonstop

$112Frontier

Thu, Mar 12 - Sun, Mar 15

6:04 pm - 9:08 pm

ORD

AUS

3h 04mnonstop

10:03 pm - 12:49 am

AUS

ORD

2h 46mnonstop

$113Frontier

Tue, Mar 17 - Tue, Mar 24

5:15 pm - 12:20 am

MLI

AUS

7h 05m

1 stop

5:15 pm - 10:30 pm

AUS

MLI

5h 15m

1 stop

$217Delta

Sat, Feb 28 - Sat, Mar 7

12:44 pm - 7:13 pm

MLI

AUS

6h 29m

1 stop

7:00 am - 1:21 pm

AUS

MLI

6h 21m

1 stop

$230American Airlines

Tue, Feb 24 - Tue, Mar 10

6:00 am - 1:42 pm

MLI

AUS

7h 42m

1 stop

11:59 am - 6:35 pm

AUS

MLI

6h 36m

1 stop

$235American Airlines

Mon, Mar 16 - Tue, Mar 24

5:15 pm - 12:20 am

MLI

AUS

7h 05m

1 stop

2:40 pm - 10:30 pm

AUS

MLI

7h 50m

1 stop

$243Delta

Wed, Mar 11 - Wed, Mar 25

10:46 am - 6:36 pm

MLI

AUS

7h 50m

1 stop

7:00 am - 2:12 pm

AUS

MLI

7h 12m

1 stop

$260United Airlines

Wed, Mar 11 - Wed, Mar 25

10:46 am - 4:30 pm

MLI

AUS

5h 44m

1 stop

5:30 am - 2:12 pm

AUS

MLI

8h 42m

2 stops

$265United Airlines

Useful Info

Low season	August
High season	March
Cheapest flight	$44

Best time to beat the crowds with an average 17% drop in price.

Most popular time to fly with an average 16% increase in price.

Flight from Chicago O'Hare Airport to Austin

How does KAYAK find such low prices on flights from Illinois to Austin?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Austin.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Austin?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Austin from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Austin?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Austin with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Austin?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Austin from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Fredericksburg

Georgetown

Cedar Park

Dripping Springs

Seguin

Bastrop

Canyon Lake

Buda

Horseshoe Bay

Flatonia

Everything you need to know for your flight to Austin

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Austin

Austin (AUS)

AUS

$44 Find Cheap Flights from Illinois to Austin

KAYAK searches hundreds of travel sites at once for deals on flights to Austin

Everything you should know

Cheap Flights from Illinois to Austin

Recent round-trip flight deals from Illinois to Austin

Recent one-way flight deals from Illinois to Austin

Recent last minute flight deals from Illinois to Austin

Recent direct flight deals from Illinois to Austin

Good to know

FAQs for booking flights from Illinois to Austin

How does KAYAK find such low prices on flights from Illinois to Austin?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Austin.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Austin?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Austin from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Austin?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Austin with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Austin?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Austin from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Austin?

Everything you need to know for your flight to Austin

Information on the airport you'll fly into in Austin

Cabin class types available on flights to Illinois

Complete your trip to Austin with a hotel stay or car rental

Find direct flights for Austin

Flights to other popular destinations

Flights from domestic origins to Austin

Choose which airport to fly into in Austin

Find deals for your return flight