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>

$65 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

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

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

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

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, Jul 8 - Sun, Jul 12

4:52 pm - 4:39 pm

STL

AUS

23h 47m

1 stop

5:38 pm - 8:57 am

AUS

STL

15h 19m

1 stop

$134Frontier

Wed, Jul 8 - Tue, Jul 14

4:52 pm - 4:39 pm

STL

AUS

23h 47m

1 stop

8:15 pm - 7:23 pm

AUS

STL

23h 08m

1 stop

$141Frontier

Wed, Jul 8 - Sat, Jul 11

6:50 pm - 11:59 pm

MLI

AUS

5h 09m

1 stop

6:26 pm - 12:41 am

AUS

MLI

6h 15m

1 stop

$231American Airlines

Thu, Jul 9 - Tue, Jul 28

2:48 pm - 7:52 am

MDW

AUS

17h 04m

1 stop

5:38 pm - 10:08 pm

AUS

MDW

28h 30m

1 stop

$251Multiple Airlines

Wed, Aug 5 - Sat, Aug 8

6:09 am - 10:54 am

CMI

AUS

4h 45m

1 stop

6:28 am - 11:11 am

AUS

CMI

4h 43m

1 stop

$270American Airlines

Thu, Jun 11 - Sat, Jun 13

6:00 am - 11:04 am

BMI

AUS

5h 04m

1 stop

5:25 am - 11:26 am

AUS

BMI

6h 01m

1 stop

$309Delta

Tue, Aug 25 - Sat, Aug 29

3:44 pm - 11:05 pm

MLI

AUS

7h 21m

1 stop

1:00 pm - 7:31 pm

AUS

MLI

6h 31m

1 stop

$311United Airlines

Tue, Aug 25 - Sat, Aug 29

3:44 pm - 11:14 pm

MLI

AUS

7h 30m

2 stops

1:00 pm - 7:31 pm

AUS

MLI

6h 31m

1 stop

$316United Airlines

Thu, Jun 11 - Sat, Jun 13

6:00 am - 11:04 am

BMI

AUS

5h 04m

1 stop

5:25 am - 11:26 am

AUS

BMI

6h 01m

1 stop

$324Delta

Thu, Jun 18 - Wed, Jun 24

8:18 pm - 6:01 pm

PIA

AUS

21h 43m

1 stop

8:15 pm - 7:30 pm

AUS

PIA

23h 15m

1 stop

$336Multiple Airlines

Useful Info

Low season	January
High season	October
Cheapest flight	$65

Best time to beat the crowds with an average 5% drop in price.

Most popular time to fly and prices are also 6% lower on average.

Flight from St. Louis 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

Bastrop

Seguin

Buda

Canyon Lake

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

$65 Find Cheap Flights from Illinois to Austin

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

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