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$60+ Cheap flights from Austin (AUS) to Illinois

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — ORD
nov. 25 — dic. 21
lun. 11/25
lun. 12/2
1 adult, Economy
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Cheap flight deals from Austin to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) to Illinois (USIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated noviembre 20, 2024.

Find flight deals from Austin to Illinois

Cheapest flights from Austin to Illinois
Explore the most affordable flight options available from Austin to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 20, 2024.

This Cheapflightsfares deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/183:20 pmAUS - MDW
1 stop5h 57mFrontier
mié. 12/258:25 amMDW - AUS
1 stop5h 55mFrontier
Deal found 11/19$146
This Kiwi.com deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/44:09 pmAUS - ORD
1 stop21h 51mMultiple Airlines
jue. 12/59:53 pmORD - AUS
1 stop16h 01mMultiple Airlines
Deal found 11/19$150
This FlightHub deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/114:09 pmAUS - ORD
1 stop21h 51mFrontier
mié. 12/186:00 amORD - AUS
1 stop15h 57mFrontier
Deal found 11/19$154
This CheapOair deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/185:19 pmAUS - STL
1 stop28h 00mFrontier
mié. 1/86:46 pmSTL - AUS
1 stop24h 33mFrontier
Deal found 11/19$158
This eDestinos deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/132:49 pmAUS - ORD
1 stop14h 41mSpirit Airlines
vie. 12/203:31 pmORD - AUS
1 stop9h 02mSpirit Airlines
Deal found 11/18$166
This Delta deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/146:23 amAUS - STL
1 stop8h 18mDelta
jue. 12/196:04 amSTL - AUS
1 stop6h 08mDelta
Deal found 11/19$242
This Southwest deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/103:15 pmAUS - MDW
Nonstop2h 30mSouthwest
mar. 12/108:45 pmMDW - AUS
Nonstop2h 45mSouthwest
Deal found 11/19$253
This United Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/1110:00 amAUS - ORD
Nonstop2h 45mUnited Airlines
mié. 12/187:59 pmORD - AUS
Nonstop3h 01mUnited Airlines
Deal found 11/19$257
This American Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/275:45 amAUS - STL
1 stop5h 27mAmerican Airlines
mié. 1/15:21 amSTL - AUS
1 stop3h 55mAmerican Airlines
Deal found 11/19$266
This Southwest deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/163:30 pmAUS - STL
1 stop4h 00mSouthwest
jue. 12/1910:25 pmSTL - AUS
Nonstop2h 15mSouthwest
Deal found 11/19$267
This Delta deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/175:30 amAUS - MDW
1 stop7h 20mDelta
mié. 12/1810:38 amMDW - AUS
1 stop6h 29mDelta
Deal found 11/19$276
This Delta deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/175:20 amAUS - ORD
1 stop7h 28mDelta
mar. 12/175:25 pmORD - AUS
1 stop5h 33mDelta
Deal found 11/19$276

Find flights from Austin to Illinois within your budget

Customize your flight search to find flights from Austin to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated noviembre 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

AustinChicago

AUS - MDW

AUSMDW

Austin Bergstrom

mié. 12/18

3:20 pm-9:17 pm

1 stop5h 57m

Chicago Midway

mié. 12/25

8:25 am-2:20 pm

1 stop5h 55m

$146

AustinChicago

AUS - ORD

AUSORD

Austin Bergstrom

vie. 1/17

5:11 pm-12:32 am

1 stop7h 21m

Chicago O'Hare Intl

dom. 1/19

7:25 am-7:26 pm

1 stop12h 01m

$148

AustinChicago

AUS - ORD

AUSORD

Austin Bergstrom

mié. 12/4

4:09 pm-2:00 pm

1 stop21h 51m

Chicago O'Hare Intl

jue. 12/5

9:53 pm-1:54 pm

1 stop16h 01m

$150

AustinSt. Louis

AUS - STL

AUSSTL

Austin Bergstrom

mié. 12/18

5:19 pm-9:19 pm

1 stop28h 00m

Lambert-St Louis

mié. 1/8

6:46 pm-7:19 pm

1 stop24h 33m

$158

AustinChicago

AUS - ORD

AUSORD

Austin Bergstrom

vie. 12/13

2:49 pm-5:30 am

1 stop14h 41m

Chicago O'Hare Intl

vie. 12/20

3:31 pm-12:33 am

1 stop9h 02m

$166

AustinSt. Louis

AUS - STL

AUSSTL

Austin Bergstrom

sáb. 12/14

6:23 am-2:41 pm

1 stop8h 18m

Lambert-St Louis

jue. 12/19

6:04 am-12:12 pm

1 stop6h 08m

$242

AustinChicago

AUS - MDW

AUSMDW

Austin Bergstrom

mar. 12/10

3:15 pm-5:45 pm

Nonstop2h 30m

Chicago Midway

mar. 12/10

8:45 pm-11:30 pm

Nonstop2h 45m

$253

AustinChicago

AUS - ORD

AUSORD

Austin Bergstrom

mié. 12/11

10:00 am-12:45 pm

Nonstop2h 45m

Chicago O'Hare Intl

mié. 12/18

7:59 pm-11:00 pm

Nonstop3h 01m

$257

AustinSt. Louis

AUS - STL

AUSSTL

Austin Bergstrom

vie. 12/27

7:00 am-10:45 am

1 stop3h 45m

Lambert-St Louis

mié. 1/1

5:21 am-9:16 am

1 stop3h 55m

$266

AustinSt. Louis

AUS - STL

AUSSTL

Austin Bergstrom

lun. 12/16

3:30 pm-7:30 pm

1 stop4h 00m

Lambert-St Louis

jue. 12/19

10:25 pm-12:40 am

Nonstop2h 15m

$267

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 55 results
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Best time to book a flight from Austin to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Austin with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Austin to Illinois

Get recent, data-driven insights about flights from Austin to Illinois including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Austin to Illinois?

Currently, September is the cheapest month in which you can book a flight from Austin to Illinois (average of $232). Flying from Austin to Illinois in June is currently the most expensive (average of $308). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from AUS to IL?

Find hourly flight availability from Austin to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 20, 2024.

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.

Weekly flight availability from Austin to Illinois

Explore weekly flight availability from Austin to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated noviembre 20, 2024.

The most flights from AUS to USIL are scheduled on a Monday (32 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated noviembre 20, 2024.
See what other customers who have flown with Frontier, United 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.
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Alaska Airlines
8.0
Very good
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Allegiant Air
7.4
Good
850 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Related info for your journey

Find useful and relevant information for your journey from Austin to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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.

  • What are the cheapest airlines to fly from Austin to Illinois one-way?

    One-way options have recently been found by users for as low as $60 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $85 and Southwest from $112 one-way.

  • 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 reliable airlines from Austin to Illinois?

    Consider Japan Airlines (100%), Envoy Air (100%) or Emirates (96%) 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 $889, our data indicates the cheapest price to be $133. The most popular route (Austin Bergstrom - Chicago O'Hare Intl), is priced around $142.

  • Can I find deals for flights from Austin to Illinois that include hotel bookings?

    Yes. In addition to deals on Austin to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Austin to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Austin to Illinois.

  • Can I find deals for business class flights from Austin to Illinois?

    Yes. Cheapflights offers flight deals from Austin to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Austin to Illinois?

    Currently, September is the cheapest month in which you can book a flight from Austin to Illinois (average of $232). Flying from Austin to Illinois in June is currently the most expensive (average of $308). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Austin to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Austin to Illinois

Discover the top 6 airlines that operate flights from Austin to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated noviembre 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$118Average$191FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$120Average$379FlexibilityNo cancel feeOn-time63%
Spirit AirlinesCheapest$159Average$288FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$178Average$395FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$209Average$413FlexibilityNo cancel feeOn-time69%
DeltaCheapest$237Average$489FlexibilityNo cancel feeOn-timeN/A
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