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.

$78 CHEAP FLIGHTS from Illinois 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, Oct 15 - Mon, Oct 19

4:30 pm - 9:57 amSTL Lambert-St Louis-AUS Austin Bergstrom

17h 27m1 stop Orlando

12:08 pm - 5:40 pmAUS Austin Bergstrom-STL Lambert-St Louis

5h 32m1 stop Atlanta Hartsfield-Jackson

$189Frontier

Fri, Sep 25 - Fri, Oct 2

2:29 pm - 5:48 pmSTL Lambert-St Louis-AUS Austin Bergstrom

27h 19m1 stop Atlanta Hartsfield-Jackson

8:24 pm - 7:17 pmAUS Austin Bergstrom-STL Lambert-St Louis

22h 53m1 stop Denver Intl

$189Frontier

Wed, Sep 23 - Wed, Sep 30

8:25 am - 10:25 amSTL Lambert-St Louis-AUS Austin Bergstrom

2h 00mnonstop

7:30 am - 9:35 amAUS Austin Bergstrom-STL Lambert-St Louis

2h 05mnonstop

$217Southwest

Sat, Oct 3 - Tue, Oct 6

1:45 pm - 3:50 pmSTL Lambert-St Louis-AUS Austin Bergstrom

2h 05mnonstop

12:35 pm - 2:40 pmAUS Austin Bergstrom-STL Lambert-St Louis

2h 05mnonstop

$217Southwest

Sat, Oct 3 - Tue, Oct 6

8:35 am - 1:22 pmSTL Lambert-St Louis-AUS Austin Bergstrom

4h 47m1 stop Houston George Bush Intcntl

3:37 pm - 9:21 pmAUS Austin Bergstrom-STL Lambert-St Louis

5h 44m1 stop Chicago O'Hare Intl

$222United Airlines

Wed, Sep 23 - Wed, Sep 30

7:05 am - 12:29 pmSTL Lambert-St Louis-AUS Austin Bergstrom

5h 24m1 stop Atlanta Hartsfield-Jackson

5:15 am - 10:55 amAUS Austin Bergstrom-STL Lambert-St Louis

5h 40m1 stop Atlanta Hartsfield-Jackson

$227Delta

Mon, Nov 2 - Sat, Nov 7

7:06 pm - 11:59 pmSTL Lambert-St Louis-AUS Austin Bergstrom

4h 53m1 stop Dallas/Fort Worth

4:59 pm - 10:24 pmAUS Austin Bergstrom-STL Lambert-St Louis

5h 25m1 stop Chicago O'Hare Intl

$227American Airlines

Sat, Oct 3 - Tue, Oct 6

8:00 am - 3:22 pmSTL Lambert-St Louis-AUS Austin Bergstrom

7h 22m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

9:39 am - 2:10 pmAUS Austin Bergstrom-STL Lambert-St Louis

4h 31m1 stop Houston George Bush Intcntl

$232United Airlines

Tue, Oct 27 - Wed, Nov 4

5:04 pm - 11:24 pmMLI Moline Quad-City-AUS Austin Bergstrom

6h 20m1 stop Atlanta Hartsfield-Jackson

5:20 am - 12:16 pmAUS Austin Bergstrom-MLI Moline Quad-City

6h 56m1 stop Atlanta Hartsfield-Jackson

$241Delta

Sat, Dec 5 - Wed, Dec 9

5:13 pm - 9:59 pmMLI Moline Quad-City-AUS Austin Bergstrom

4h 46m1 stop Dallas/Fort Worth

5:00 am - 10:59 amAUS Austin Bergstrom-MLI Moline Quad-City

5h 59m1 stop Dallas/Fort Worth

$241American Airlines

Recent last minute flight deals from Illinois to Austin

Wed, Sep 2 - Sat, Sep 26

2:41 pm - 11:41 pmORD Chicago O'Hare Intl-AUS Austin Bergstrom

9h 00m1 stop Denver Intl

10:58 am - 10:59 pmAUS Austin Bergstrom-ORD Chicago O'Hare Intl

12h 01m1 stop Orlando

$271Frontier

Sat, Sep 5 - Sat, Sep 19

7:11 am - 4:39 pmORD Chicago O'Hare Intl-AUS Austin Bergstrom

9h 28m1 stop Atlanta Hartsfield-Jackson

10:58 am - 10:59 pmAUS Austin Bergstrom-ORD Chicago O'Hare Intl

12h 01m1 stop Orlando

$279Frontier

Sun, Sep 6 - Fri, Sep 11

8:10 pm - 11:05 pmORD Chicago O'Hare Intl-AUS Austin Bergstrom

2h 55mnonstop

6:34 am - 9:29 amAUS Austin Bergstrom-ORD Chicago O'Hare Intl

2h 55mnonstop

$291United Airlines

Sun, Sep 6 - Fri, Sep 11

11:00 am - 1:58 pmORD Chicago O'Hare Intl-AUS Austin Bergstrom

2h 58mnonstop

2:04 pm - 4:59 pmAUS Austin Bergstrom-ORD Chicago O'Hare Intl

2h 55mnonstop

$291United Airlines

Sat, Sep 5 - Sun, Sep 6

9:28 pm - 12:14 amORD Chicago O'Hare Intl-AUS Austin Bergstrom

2h 46mnonstop

6:26 am - 9:29 amAUS Austin Bergstrom-ORD Chicago O'Hare Intl

3h 03mnonstop

$291American Airlines

Sun, Sep 6 - Fri, Sep 11

8:40 pm - 11:10 pmMDW Chicago Midway-AUS Austin Bergstrom

2h 30mnonstop

8:55 pm - 11:30 pmAUS Austin Bergstrom-MDW Chicago Midway

2h 35mnonstop

$291Southwest

Sun, Sep 6 - Fri, Sep 11

11:05 am - 1:35 pmMDW Chicago Midway-AUS Austin Bergstrom

2h 30mnonstop

7:25 pm - 11:25 pmAUS Austin Bergstrom-MDW Chicago Midway

4h 00m1 stop Dallas Love Field

$297Southwest

Sat, Sep 5 - Sun, Sep 6

1:50 pm - 7:11 pmORD Chicago O'Hare Intl-AUS Austin Bergstrom

5h 21m1 stop Dallas/Fort Worth

7:00 am - 12:15 pmAUS Austin Bergstrom-ORD Chicago O'Hare Intl

5h 15m1 stop Dallas/Fort Worth

$311American Airlines

Sun, Sep 6 - Wed, Sep 9

6:05 am - 1:51 pmMDW Chicago Midway-AUS Austin Bergstrom

7h 46m1 stop Atlanta Hartsfield-Jackson

12:00 pm - 4:57 pmAUS Austin Bergstrom-MDW Chicago Midway

4h 57m1 stop Detroit Metropolitan Wayne County

$311Delta

Sat, Sep 5 - Sun, Sep 6

4:39 pm - 11:59 pmMDW Chicago Midway-AUS Austin Bergstrom

7h 20m1 stop Atlanta Hartsfield-Jackson

10:42 am - 3:44 pmAUS Austin Bergstrom-MDW Chicago Midway

5h 02m1 stop Atlanta Hartsfield-Jackson

$367Delta

Recent direct flight deals from Illinois to Austin

Wed, Sep 23 - Wed, Sep 30

8:25 am - 10:25 amSTL Lambert-St Louis-AUS Austin Bergstrom

2h 00mnonstop

7:30 am - 9:35 amAUS Austin Bergstrom-STL Lambert-St Louis

2h 05mnonstop

$217Southwest

Sat, Oct 3 - Tue, Oct 6

1:45 pm - 3:50 pmSTL Lambert-St Louis-AUS Austin Bergstrom

2h 05mnonstop

12:35 pm - 2:40 pmAUS Austin Bergstrom-STL Lambert-St Louis

2h 05mnonstop

$217Southwest

Fri, Oct 30 - Sat, Nov 7

12:50 pm - 2:55 pmSTL Lambert-St Louis-AUS Austin Bergstrom

2h 05mnonstop

7:50 am - 9:50 amAUS Austin Bergstrom-STL Lambert-St Louis

2h 00mnonstop

$227Southwest

Thu, Oct 1 - Fri, Oct 2

12:50 pm - 2:55 pmSTL Lambert-St Louis-AUS Austin Bergstrom

2h 05mnonstop

5:00 pm - 7:05 pmAUS Austin Bergstrom-STL Lambert-St Louis

2h 05mnonstop

$227Southwest

Mon, Oct 19 - Wed, Oct 21

8:03 pm - 10:58 pmORD Chicago O'Hare Intl-AUS Austin Bergstrom

2h 55mnonstop

5:25 pm - 8:22 pmAUS Austin Bergstrom-ORD Chicago O'Hare Intl

2h 57mnonstop

$261United Airlines

Wed, Jan 20 - Wed, Jan 27

9:12 pm - 12:12 amORD Chicago O'Hare Intl-AUS Austin Bergstrom

3h 00mnonstop

6:00 am - 8:56 amAUS Austin Bergstrom-ORD Chicago O'Hare Intl

2h 56mnonstop

$261American Airlines

Mon, Sep 28 - Thu, Oct 1

9:13 pm - 11:59 pmORD Chicago O'Hare Intl-AUS Austin Bergstrom

2h 46mnonstop

8:00 am - 10:58 amAUS Austin Bergstrom-ORD Chicago O'Hare Intl

2h 58mnonstop

$261American Airlines

Wed, Oct 14 - Sat, Oct 17

8:10 am - 11:04 amORD Chicago O'Hare Intl-AUS Austin Bergstrom

2h 54mnonstop

5:04 pm - 8:05 pmAUS Austin Bergstrom-ORD Chicago O'Hare Intl

3h 01mnonstop

$261American Airlines

Thu, Oct 1 - Mon, Oct 5

9:41 pm - 12:27 amORD Chicago O'Hare Intl-AUS Austin Bergstrom

2h 46mnonstop

7:41 am - 10:37 amAUS Austin Bergstrom-ORD Chicago O'Hare Intl

2h 56mnonstop

$261American Airlines

Wed, Feb 10 - Sat, Feb 13

12:40 pm - 3:44 pmORD Chicago O'Hare Intl-AUS Austin Bergstrom

3h 04mnonstop

6:40 am - 9:39 amAUS Austin Bergstrom-ORD Chicago O'Hare Intl

2h 59mnonstop

$291United Airlines

Useful Info

Low season	January
High season	October
Cheapest flight	$78

Best time to beat the crowds with an average 16% drop in price.

Most popular time to fly and prices are also 8% 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

Bastrop

Dripping Springs

Seguin

Buda

Canyon Lake

Horseshoe Bay

Flatonia

Everything you need to know for your flight to Austin

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Information on the airport you'll fly into in Austin

Austin (AUS)

AUS

$78 Find Cheap Flights from Illinois to Austin - Compare and Save

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

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Low season

High season

Cheapest flight

FAQs for booking flights from Illinois to Austin

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

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Flights from domestic origins to Austin

Choose which airport to fly into in Austin

Find deals for your return flight