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>

$78 CHEAP FLIGHTS from Illinois to Austin

AUS

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

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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

Thu, May 14 - Mon, May 18

12:36 pm - 9:47 pm

STL

AUS

9h 11m

1 stop

11:18 am - 12:21 am

AUS

STL

13h 03m

1 stop

$140Frontier

Tue, May 19 - Tue, May 26

2:30 pm - 4:40 pm

STL

AUS

2h 10mnonstop

7:30 am - 9:35 am

AUS

STL

2h 05mnonstop

$174Southwest

Wed, Sep 9 - Wed, Sep 16

9:46 am - 2:35 pm

STL

AUS

4h 49m

1 stop

7:50 pm - 11:41 pm

AUS

STL

3h 51m

1 stop

$181American Airlines

Tue, May 19 - Tue, May 26

5:20 am - 10:36 am

STL

AUS

5h 16m

1 stop

7:50 pm - 11:59 pm

AUS

STL

4h 09m

1 stop

$187American Airlines

Wed, May 20 - Wed, May 27

6:23 am - 12:26 pm

MDW

AUS

6h 03m

1 stop

5:25 am - 11:56 am

AUS

MDW

6h 31m

1 stop

$197Delta

Wed, May 20 - Wed, May 27

5:30 am - 11:22 am

ORD

AUS

5h 52m

1 stop

5:15 am - 10:29 am

AUS

ORD

5h 14m

1 stop

$197Delta

Mon, May 4 - Fri, May 8

7:33 pm - 4:52 pm

ORD

AUS

21h 19m

2 stops

8:48 pm - 11:42 pm

AUS

ORD

2h 54mnonstop

$200Multiple Airlines

Thu, May 28 - Sun, May 31

2:31 pm - 10:42 pm

MLI

AUS

8h 11m

2 stops

6:40 am - 12:37 pm

AUS

MLI

5h 57m

1 stop

$285United Airlines

Thu, Aug 13 - Wed, Aug 19

5:45 am - 11:52 am

PIA

AUS

6h 07m

1 stop

5:30 am - 12:44 pm

AUS

PIA

7h 14m

2 stops

$308United Airlines

Wed, May 27 - Sun, May 31

4:29 pm - 6:58 pm

EVV

AUS

26h 29m

1 stop

7:48 pm - 7:54 pm

AUS

EVV

24h 06m

1 stop

$404Multiple Airlines

Useful Info

Low season	January
High season	April
Cheapest flight	$78

Best time to beat the crowds with an average 7% drop in price.

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

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

Seguin

Bastrop

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

$78 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