AUS

$48 Find Cheap Flights from Illinois to Austin

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Austin departing on 1/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$85
Overall average: $290
Frontier
Mon 1/19Fri 1/30
ORD - AUS • Non-stop
Cheapest one-way
$48
Typical prices: $133-$397
Frontier
Mon 1/12
ORD - AUS • Non-stop
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Flight Deals
Useful Info
Flight Deals

Cheap Flights from Illinois to Austin

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Austin that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Illinois to Austin

Mon, Jan 19 - Fri, Jan 30
Frontier Logo
4:31 pm - 7:35 pm
ORD
-
AUS
3h 04mnonstop
Frontier Logo
12:24 pm - 3:10 pm
AUS
-
ORD
2h 46mnonstop
$85Frontier
Fri, Jan 23 - Sun, Jan 25
Frontier Logo
8:25 am - 11:29 am
ORD
-
AUS
3h 04mnonstop
Frontier Logo
11:09 am - 1:55 pm
AUS
-
ORD
2h 46mnonstop
$87Frontier
Tue, Jan 27 - Thu, Jan 29
Multiple Airlines Logo
7:20 am - 9:35 pm
ORD
-
AUS
14h 15m1 stop
Multiple Airlines Logo
11:59 am - 2:45 pm
AUS
-
ORD
2h 46mnonstop
$94Multiple Airlines
Sun, Jan 18 - Fri, Jan 23
Multiple Airlines Logo
4:31 pm - 7:35 pm
ORD
-
AUS
3h 04mnonstop
Multiple Airlines Logo
11:30 am - 7:38 pm
AUS
-
ORD
8h 08m1 stop
$96Multiple Airlines
Tue, Feb 3 - Fri, Feb 6
Southwest Logo
2:20 pm - 5:10 pm
MDW
-
AUS
2h 50mnonstop
Southwest Logo
2:40 pm - 5:15 pm
AUS
-
MDW
2h 35mnonstop
$188Southwest
Tue, Mar 31 - Fri, Apr 3
Southwest Logo
8:40 pm - 11:30 pm
MDW
-
AUS
2h 50mnonstop
Southwest Logo
5:05 am - 7:30 am
AUS
-
MDW
2h 25mnonstop
$191Southwest
Sat, Jan 17 - Sat, Jan 31
Delta Logo
1:28 pm - 8:44 pm
MDW
-
AUS
7h 16m1 stop
Delta Logo
5:10 pm - 10:22 pm
AUS
-
MDW
5h 12m1 stop
$199Delta
Thu, May 28 - Tue, Jun 2
Delta Logo
11:00 am - 6:35 pm
MLI
-
AUS
7h 35m1 stop
Delta Logo
4:59 pm - 10:31 pm
AUS
-
MLI
5h 32m1 stop
$243Delta
Thu, May 28 - Tue, Jun 2
United Airlines Logo
5:42 pm - 10:29 pm
MLI
-
AUS
4h 47m1 stop
United Airlines Logo
10:34 am - 5:07 pm
AUS
-
MLI
6h 33m1 stop
$264United Airlines
Fri, Feb 6 - Mon, Feb 9
United Airlines Logo
5:18 pm - 10:47 pm
PIA
-
AUS
5h 29m1 stop
United Airlines Logo
6:30 am - 12:38 pm
AUS
-
PIA
6h 08m1 stop
$269United Airlines
Useful Info

Good to know

Low seasonAugust
Cheapest flight$48
Best time to beat the crowds with an average 16% drop in price.
Most popular time to fly with an average 21% increase in price.
Flight from Chicago O'Hare Airport to Austin

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?

Book flights to Austin if you plan to visit one of these locations
Fredericksburg
Georgetown
Cedar Park
Dripping Springs
Seguin
Bastrop
Canyon Lake
Horseshoe Bay
Buda
Flatonia

Everything you need to know for your flight to Austin

Information on the airport you'll fly into in Austin

Austin (AUS)