Cheap flights from Austin (AUS) to Illinois from $54
This is the cheapest one-way flight price, found on 9/27. Prices may vary by date and flight preferences.
How far in advance should I book a flight from Austin to Illinois?
Travelers have found it’s best to book a flight 49 days in advance to save up to 41% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 49 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Austin to Illinois 1-2 weeks in advance for as low as $384, or $485 for flights within the next 24 hours.
What is the cheapest month to fly from Austin to Illinois?
Our data shows that August tends to be the cheapest month to fly to Illinois from Austin. Users have commonly found prices around $346 for the month, but tickets can be as low as $212. Due to multiple factors, prepare for potentially higher prices in June.
When is the cheapest time to fly from Austin to Illinois (AUS - IL)?
When flying from Austin to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Cheap United Airlines flights from Austin to Illinois
Consider these cheap United Airlines flights we've found departing from Austin to Illinois. Make sure to double check the flight details before booking.
Cheap Spirit Airlines flights from Austin to Illinois
Some of the lowest-priced Spirit Airlines flights we've found at this time heading from Austin to Illinois. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Cheap Austin to Illinois flights in September & October 2023
The best prices found for AUS to Illinois flights for September, October
Scroll through some of the best deals on flights from Austin to Illinois in 2023. For more flight deals, be sure to check back very soon.
Austin to Illinois 2023 flight deals
Cheap flights to Illinois from Austin found for this year
Scroll through some of the best deals on flights from Austin to Illinois in 2023. For more flight deals, be sure to check back very soon.
Non-stop flights to Illinois from Austin
Save time with Austin to Illinois direct flight deals
Consider booking one of these non-stop flights heading from Austin to Illinois. Select from other flights from Austin to Illinois by using the search form above.
Austin to Illinois flights leaving soon
Late deals on return flights to Illinois from Austin, departing today and this week
Have a look at some of the last-minute flights available departing from Austin to Illinois. It's wise to confirm all flight details are correct before booking.
One-way flights to Illinois from Austin
The cheapest one-way flights from Austin to Illinois
Take a look at some of the one-way flights we've detected from Austin to Illinois. Those needing a return flight from Austin to Illinois can use the search form above.
Find flights from Austin to Illinois within your budget
Use the slider to find flights from Austin to Illinois that fit your budget.
Fly from
Fly to
Budget
$104 - $186
Route
Depart
Return
Price
Austin BergstromChicago Midway
AUS - MDW
AUSMDW
Austin Bergstrom
Sat 10/28
1 stop12h 39m
Chicago Midway
Sat 11/4
1 stop14h 16m
Austin BergstromChicago Midway
AUS - MDW
AUSMDW
Austin Bergstrom
Wed 11/1
2 stops12h 20m
Chicago Midway
Sat 11/4
1 stop14h 16m
Austin BergstromChicago O'Hare Intl
AUS - ORD
AUSORD
Austin Bergstrom
Wed 10/18
1 stop13h 21m
Chicago O'Hare Intl
Thu 10/26
1 stop22h 44m
Austin BergstromChicago Midway
AUS - MDW
AUSMDW
Austin Bergstrom
Thu 10/26
1 stop22h 13m
Chicago Midway
Sun 10/29
1 stop16h 58m
Austin BergstromChicago O'Hare Intl
AUS - ORD
AUSORD
Austin Bergstrom
Fri 10/20
2 stops27h 10m
Chicago O'Hare Intl
Mon 10/23
1 stop13h 53m
Austin BergstromLambert-St Louis
AUS - STL
AUSSTL
Austin Bergstrom
Fri 11/3
1 stop18h 34m
Lambert-St Louis
Mon 11/6
1 stop22h 15m
Austin BergstromLambert-St Louis
AUS - STL
AUSSTL
Austin Bergstrom
Sat 12/2
1 stop6h 21m
Lambert-St Louis
Wed 12/6
1 stop6h 27m
Austin BergstromLambert-St Louis
AUS - STL
AUSSTL
Austin Bergstrom
Sat 12/23
1 stop5h 15m
Lambert-St Louis
Sat 1/6
1 stop8h 40m
Austin BergstromChicago O'Hare Intl
AUS - ORD
AUSORD
Austin Bergstrom
Wed 11/15
Nonstop2h 46m
Chicago O'Hare Intl
Fri 11/17
Nonstop3h 00m
Reviews of airlines servicing Illinois
See what other customers who have flown with United Airlines, Spirit Airlines and Delta from Austin to Illinois have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
Boarding
Food
Comfort
Entertainment
Overall
Reviews
I appreciated that we departed & arrived on time. I was very cold on the plane, despite wearing 2 jackets, & will bring a blanket next time. I appreciated the hot tea & cookie I was served. I also appreciated that our luggage was not lost or damaged.
Crew
Boarding
Food
Comfort
Entertainment
Overall
Reviews
I appreciated that we departed & arrived on time. I was very cold on the plane, despite wearing 2 jackets, & will bring a blanket next time. I appreciated the hot tea & cookie I was served. I also appreciated that our luggage was not lost or damaged.
Crew
Boarding
Food
Comfort
Entertainment
Overall
Reviews
I appreciated that we departed & arrived on time. I was very cold on the plane, despite wearing 2 jackets, & will bring a blanket next time. I appreciated the hot tea & cookie I was served. I also appreciated that our luggage was not lost or damaged.
Crew
Boarding
Food
Comfort
Entertainment
Overall
Reviews
I appreciated that we departed & arrived on time. I was very cold on the plane, despite wearing 2 jackets, & will bring a blanket next time. I appreciated the hot tea & cookie I was served. I also appreciated that our luggage was not lost or damaged.
Crew
Boarding
Food
Comfort
Entertainment
Overall
Reviews
I appreciated that we departed & arrived on time. I was very cold on the plane, despite wearing 2 jackets, & will bring a blanket next time. I appreciated the hot tea & cookie I was served. I also appreciated that our luggage was not lost or damaged.
Crew
Boarding
Food
Comfort
Entertainment
Overall
Reviews
I appreciated that we departed & arrived on time. I was very cold on the plane, despite wearing 2 jackets, & will bring a blanket next time. I appreciated the hot tea & cookie I was served. I also appreciated that our luggage was not lost or damaged.
Related info for your journey
Useful info, stats and facts about Austin to Illinois flights.
What airport do you fly from for flights from Austin to Illinois?
Austin Bergstrom (AUS), located 7.5 mi from the city center, is the airport you fly out of when you book flights from Austin to Illinois.
Can I find flights from Austin to Illinois for under $200 on Cheapflights?
Yes, there are multiple flights from Austin to Illinois for under $200. The cheapest flight booked recently is on Frontier for just $104, but on average you can expect to pay $140.
Are there nonstop flights from Austin to Illinois for under $200 on Cheapflights?
Cheapflights has at least 20 direct flights from Austin to Illinois under $200. A good price for a nonstop flight from Austin to Illinois is less than $278.
Are there last-minute flights available from Austin to Illinois for under $300?
There are currently 20+ open flights from Austin to Illinois within the next 7 days for less than $300.
What days are nonstop flights available from Austin to Illinois?
Nonstop flights are available for this route on the following days: Sunday, Monday, Tuesday, Thursday, Friday, Saturday.
How many flights depart from Austin to Illinois on average per day?
On average, you can expect to see 67 flights from Austin to Illinois a day.
Early Morning (Midnight to 6am) - 4% of flight departures
Morning (6am - Noon) - 27% of flight departures
Afternoon (Noon - 6pm) - 64% of flight departures
Evening (6pm - Midnight) - 4% of flight departures
How long is the flight from Austin to Illinois?
Airlines like Frontier and Spirit Airlines fly from Austin to Illinois in about 12h 39m. The time it takes to get you to your destination can typically vary by up to 42m. Austin and Illinois are separated by a distance of 983 mi. This flight may include one or multiple stops.
What are the most popular routes from Austin to Illinois?
Most travelers choose Austin Bergstrom - Chicago O'Hare Intl, Austin Bergstrom - Chicago Midway or Austin Bergstrom - Lambert-St Louis when deciding on the best route from Austin to Illinois.
What are the most popular airlines that fly from Austin to Illinois?
When booking a flight from Austin to Illinois, you may want to consider flying on American Airlines, Spirit Airlines or United Airlines as they are the most popular for this route.
What are the most reliable airlines from Austin to Illinois?
Consider Envoy Air (94%), Royal Jordanian (92%) or ANA (91%) when booking your flight. These represent the most reliable airlines when flying from Austin to Illinois.
What are the cheapest flights from Austin to Illinois?
Looking for the cheapest flight from Austin to Illinois? While on average our users pay $1,071, our data indicates the cheapest price to be $99. The most popular route (Austin Bergstrom - Chicago O'Hare Intl), is priced around $129.
What does AUS to ORD mean?
AUS and ORD are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. AUS to ORD refers to a flight route from Austin Bergstrom Airport to Chicago O'Hare Intl Airport. Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Champaign University-Willard Airport (CMI) are some additional IATA codes for airports related to your trip.
Destination points for flights from Austin to Illinois
Select to see more specific information for flights from Austin to all places in Illinois
Top 4 airlines flying from Austin to Illinois
The chart below displays the airlines Cheapflights users traveling from Austin to Illinois choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Hourly flight availability from Austin to Illinois
See what time of day planes typically take off from Austin to Illinois
| 13%of flight departures | Early morningMidnight to 6 am |
|---|---|
| 32%of flight departures | Morning6 am to noon |
| 53%of flight departures | AfternoonNoon to 6 pm |
| 2%of flight departures | Evening6 pm to midnight |
Fly with Cheapflights
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How does Cheapflights help users find flights from Austin to Illinois?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Austin to Illinois. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Austin to Illinois?
Cheapflights helps you find that perfect flight to Illinois from Austin by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Austin to Illinois with no change fees?
Need flexible booking options for your flight to Illinois from Austin? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Austin to Illinois become cheaper?
Yes, Cheapflights has a feature called Price Alert, which essentially offers users the ability to be notified when flight prices change. Track prices for your flight to Illinois from Austin today and book when you’re ready!