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.

$74 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

Wed, Sep 2 - Tue, Sep 8

6:45 pm - 11:52 amSTL Lambert-St Louis-AUS Austin Bergstrom

17h 07m1 stop Las Vegas Harry Reid Intl

8:15 pm - 7:17 pmAUS Austin Bergstrom-STL Lambert-St Louis

23h 02m1 stop Denver Intl

$159Frontier

Tue, Sep 22 - Sat, Sep 26

12:17 pm - 2:37 pmSTL Lambert-St Louis-AUS Austin Bergstrom

26h 20m1 stop Las Vegas Harry Reid Intl

3:32 pm - 11:17 amAUS Austin Bergstrom-STL Lambert-St Louis

19h 45m1 stop Las Vegas Harry Reid Intl

$159Frontier

Mon, Aug 31 - Sat, Sep 5

8:45 pm - 10:45 pmSTL Lambert-St Louis-AUS Austin Bergstrom

2h 00mnonstop

8:00 am - 10:05 amAUS Austin Bergstrom-STL Lambert-St Louis

2h 05mnonstop

$227Southwest

Mon, Aug 31 - Sat, Sep 5

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

2h 00mnonstop

11:15 am - 3:30 pmAUS Austin Bergstrom-STL Lambert-St Louis

4h 15m1 stop Pensacola

$233Southwest

Wed, Sep 2 - Tue, Sep 8

7:33 am - 11:52 amMLI Moline Quad-City-AUS Austin Bergstrom

4h 19m1 stop Dallas/Fort Worth

6:47 pm - 12:08 amAUS Austin Bergstrom-MLI Moline Quad-City

5h 21m1 stop Chicago O'Hare Intl

$241American Airlines

Tue, Oct 20 - Tue, Oct 27

5:03 pm - 12:12 amMLI Moline Quad-City-AUS Austin Bergstrom

7h 09m1 stop Chicago O'Hare Intl

6:00 am - 10:51 amAUS Austin Bergstrom-MLI Moline Quad-City

4h 51m1 stop Chicago O'Hare Intl

$241American Airlines

Sat, Sep 19 - Sat, Sep 26

6:00 am - 1:55 pmMLI Moline Quad-City-AUS Austin Bergstrom

7h 55m1 stop Atlanta Hartsfield-Jackson

5:07 pm - 10:30 pmAUS Austin Bergstrom-MLI Moline Quad-City

5h 23m1 stop Atlanta Hartsfield-Jackson

$241Delta

Wed, Sep 16 - Tue, Sep 22

6:00 am - 11:03 amMLI Moline Quad-City-AUS Austin Bergstrom

5h 03m1 stop Atlanta Hartsfield-Jackson

3:00 pm - 10:30 pmAUS Austin Bergstrom-MLI Moline Quad-City

7h 30m1 stop Atlanta Hartsfield-Jackson

$241Delta

Sat, Oct 3 - Sat, Oct 10

9:05 am - 4:57 pmMLI Moline Quad-City-AUS Austin Bergstrom

7h 52m1 stop Denver Intl

6:45 am - 12:37 pmAUS Austin Bergstrom-MLI Moline Quad-City

5h 52m1 stop Chicago O'Hare Intl

$241United Airlines

Thu, Sep 10 - Tue, Sep 15

8:13 am - 1:48 pmMLI Moline Quad-City-AUS Austin Bergstrom

5h 35m1 stop Chicago O'Hare Intl

3:33 pm - 9:00 pmAUS Austin Bergstrom-MLI Moline Quad-City

5h 27m1 stop Chicago O'Hare Intl

$241United Airlines

Recent last minute flight deals from Illinois to Austin

Sat, Aug 8 - Sat, Aug 8

6:05 am - 12:38 pmMDW Chicago Midway-AUS Austin Bergstrom

6h 33m1 stop Atlanta Hartsfield-Jackson

2:51 pm - 10:03 pmAUS Austin Bergstrom-MDW Chicago Midway

7h 12m1 stop Atlanta Hartsfield-Jackson

$259Frontier

Sat, Aug 8 - Sat, Aug 15

6:05 am - 12:38 pmMDW Chicago Midway-AUS Austin Bergstrom

6h 33m1 stop Atlanta Hartsfield-Jackson

2:51 pm - 10:03 pmAUS Austin Bergstrom-MDW Chicago Midway

7h 12m1 stop Atlanta Hartsfield-Jackson

$264Frontier

Fri, Aug 7 - Fri, Aug 7

8:15 am - 10:56 amORD Chicago O'Hare Intl-AUS Austin Bergstrom

2h 41mnonstop

3:27 pm - 6:35 pmAUS Austin Bergstrom-ORD Chicago O'Hare Intl

3h 08mnonstop

$271American Airlines

Fri, Aug 7 - Fri, Aug 7

8:15 am - 10:56 amORD Chicago O'Hare Intl-AUS Austin Bergstrom

2h 41mnonstop

6:57 pm - 12:18 amAUS Austin Bergstrom-ORD Chicago O'Hare Intl

5h 21m1 stop Dallas/Fort Worth

$281American Airlines

Sat, Aug 8 - Fri, Sep 18

6:35 am - 10:25 amMDW Chicago Midway-AUS Austin Bergstrom

3h 50m1 stop Lambert-St Louis

5:35 pm - 8:05 pmAUS Austin Bergstrom-MDW Chicago Midway

2h 30mnonstop

$362Southwest

Tue, Aug 11 - Mon, Aug 17

5:13 pm - 9:32 amORD Chicago O'Hare Intl-AUS Austin Bergstrom

16h 19m1 stop Orlando

8:56 am - 11:08 pmAUS Austin Bergstrom-ORD Chicago O'Hare Intl

38h 12m2 stops Knoxville McGhee Tyson Orlando

$373Multiple Airlines

Sat, Aug 8 - Sat, Aug 15

9:01 am - 11:59 amORD Chicago O'Hare Intl-AUS Austin Bergstrom

2h 58mnonstop

6:35 am - 9:30 amAUS Austin Bergstrom-ORD Chicago O'Hare Intl

2h 55mnonstop

$383United Airlines

Sat, Aug 8 - Wed, Aug 12

7:58 pm - 10:54 pmORD Chicago O'Hare Intl-AUS Austin Bergstrom

2h 56mnonstop

5:20 pm - 8:18 pmAUS Austin Bergstrom-ORD Chicago O'Hare Intl

2h 58mnonstop

$383United Airlines

Mon, Aug 10 - Mon, Aug 24

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

7h 46m1 stop Atlanta Hartsfield-Jackson

3:00 pm - 10:36 pmAUS Austin Bergstrom-MDW Chicago Midway

7h 36m1 stop Atlanta Hartsfield-Jackson

$400Delta

Tue, Aug 11 - Tue, Aug 11

10:15 am - 12:50 pmMDW Chicago Midway-AUS Austin Bergstrom

2h 35mnonstop

4:40 pm - 7:10 pmAUS Austin Bergstrom-MDW Chicago Midway

2h 30mnonstop

$412Southwest

Recent direct flight deals from Illinois to Austin

Mon, Aug 31 - Sat, Sep 5

8:45 pm - 10:45 pmSTL Lambert-St Louis-AUS Austin Bergstrom

2h 00mnonstop

8:00 am - 10:05 amAUS Austin Bergstrom-STL Lambert-St Louis

2h 05mnonstop

$227Southwest

Wed, Sep 2 - Wed, Sep 9

8:50 pm - 10:50 pmSTL Lambert-St Louis-AUS Austin Bergstrom

2h 00mnonstop

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

2h 05mnonstop

$237Southwest

Tue, Sep 1 - Tue, Sep 8

8:50 pm - 10:50 pmSTL Lambert-St Louis-AUS Austin Bergstrom

2h 00mnonstop

3:50 pm - 5:55 pmAUS Austin Bergstrom-STL Lambert-St Louis

2h 05mnonstop

$237Southwest

Wed, Sep 2 - Tue, Sep 8

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

$237Southwest

Sat, Sep 5 - Sat, Sep 5

8:15 am - 10:56 amORD Chicago O'Hare Intl-AUS Austin Bergstrom

2h 41mnonstop

3:27 pm - 6:35 pmAUS Austin Bergstrom-ORD Chicago O'Hare Intl

3h 08mnonstop

$261American 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

$262American 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

$263American Airlines

Tue, Sep 8 - Fri, Sep 11

7:00 am - 9:58 amORD Chicago O'Hare Intl-AUS Austin Bergstrom

2h 58mnonstop

3:33 pm - 6:30 pmAUS Austin Bergstrom-ORD Chicago O'Hare Intl

2h 57mnonstop

$266United Airlines

Sat, Nov 21 - Thu, Nov 26

4:00 pm - 7:04 pmORD Chicago O'Hare Intl-AUS Austin Bergstrom

3h 04mnonstop

7:00 am - 9:47 amAUS Austin Bergstrom-ORD Chicago O'Hare Intl

2h 47mnonstop

$266United Airlines

Fri, Sep 11 - Sat, Sep 19

7:50 pm - 10:45 pmORD Chicago O'Hare Intl-AUS Austin Bergstrom

2h 55mnonstop

3:33 pm - 6:30 pmAUS Austin Bergstrom-ORD Chicago O'Hare Intl

2h 57mnonstop

$266United Airlines

Useful Info

Low season	January
High season	October
Cheapest flight	$74

Best time to beat the crowds with an average 14% drop in price.

Most popular time to fly and prices are also 10% 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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Return flight deals

Information on the airport you'll fly into in Austin

Austin (AUS)

AUS

$74 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

Good to know

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

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