AUS

$55 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 12/8. 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

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

Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 23% 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.

Everything you should know

Cheapest round-trip
$132
Overall average: $365
Frontier
Fri 12/5Fri 12/5
ORD - AUS • Non-stop
Cheapest non-stop
$132
Typical prices: $274-$463
Frontier
Fri 2/27Mon 3/2
ORD - AUS • Non-stop
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Austin!
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

Fri, Dec 5 - Fri, Dec 5
Frontier Logo
7:25 am - 10:15 amORD-AUS
2h 50mnonstop
Frontier Logo
2:13 pm - 12:12 amAUS-ORD
9h 59m1 stop
$132Frontier
Find Deal
Thu, Nov 13 - Mon, Nov 17
Frontier Logo
2:12 pm - 4:45 pmSTL-AUS
26h 33m1 stop
Frontier Logo
6:00 am - 9:07 amAUS-STL
27h 07m1 stop
$132Frontier
Find Deal
Wed, Dec 3 - Mon, Dec 8
Multiple Airlines Logo
3:43 pm - 11:23 pmORD-AUS
7h 40m1 stop
Multiple Airlines Logo
2:13 pm - 12:12 amAUS-ORD
9h 59m1 stop
$134Multiple Airlines
Find Deal
Thu, Dec 4 - Wed, Dec 10
Multiple Airlines Logo
3:47 pm - 6:37 pmORD-AUS
2h 50mnonstop
Multiple Airlines Logo
5:30 am - 8:01 pmAUS-ORD
14h 31m1 stop
$136Multiple Airlines
Find Deal
Wed, Dec 3 - Sat, Dec 6
American Airlines Logo
8:45 pm - 11:46 pmORD-AUS
3h 01mnonstop
American Airlines Logo
10:50 am - 1:36 pmAUS-ORD
2h 46mnonstop
$139American Airlines
Find Deal
Thu, Dec 25 - Wed, Dec 31
Southwest Logo
8:20 pm - 11:05 pmMDW-AUS
2h 45mnonstop
Southwest Logo
6:20 am - 8:50 amAUS-MDW
2h 30mnonstop
$151Southwest
Find Deal
Thu, Nov 27 - Sat, Dec 6
Southwest Logo
7:45 am - 2:15 pmMDW-AUS
6h 30m1 stop
Southwest Logo
2:10 pm - 4:40 pmAUS-MDW
2h 30mnonstop
$155Southwest
Find Deal
Sat, Dec 6 - Tue, Dec 9
Spirit Airlines Logo
12:09 pm - 9:45 pmORD-AUS
9h 36m1 stop
Spirit Airlines Logo
5:30 am - 8:01 pmAUS-ORD
14h 31m1 stop
$167Spirit Airlines
Find Deal
Tue, Dec 2 - Thu, Dec 4
Spirit Airlines Logo
10:12 am - 10:58 pmORD-AUS
12h 46m1 stop
Spirit Airlines Logo
6:00 am - 3:13 pmAUS-ORD
9h 13m1 stop
$173Spirit Airlines
Find Deal
Tue, Feb 10 - Tue, Feb 17
American Airlines Logo
6:00 am - 1:43 pmMLI-AUS
7h 43m1 stop
American Airlines Logo
4:24 pm - 11:08 pmAUS-MLI
6h 44m1 stop
$191American Airlines
Find Deal
Useful Info

Good to know

Low seasonAugust
Cheapest flight$55
Best time to beat the crowds with an average 19% drop in price.
Most popular time to fly with an average 6% increase in price.
Flight from St. Louis 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)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.