HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Austin

$65+ Cheap flights from Illinois to Austin (AUS)

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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — AUS
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Austin with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Illinois to Austin

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Austin (AUS). 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 November 21, 2024.

Find flight deals from Illinois to Austin

Cheapest flights from Illinois to Austin
Explore the most affordable flight options available from Illinois to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This Cheapflightsfares deal was found by Cheapflights users on 11/21. 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.
Thu 12/59:53 pmORD - AUS
1 stop16h 01mSpirit Airlines
Mon 12/92:49 pmAUS - ORD
1 stop14h 41mSpirit Airlines
Deal found 11/21$189
This Booking.com deal was found by Cheapflights users on 11/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/109:58 amORD - AUS
1 stop7h 28mMultiple Airlines
Thu 12/128:23 pmAUS - ORD
1 stop28h 12mMultiple Airlines
Deal found 11/20$190
This Cheapflightsfares deal was found by Cheapflights users on 11/20. 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.
Thu 12/512:43 pmMDW - AUS
1 stop8h 00mFrontier
Mon 12/95:16 pmAUS - MDW
1 stop6h 05mFrontier
Deal found 11/20$196
This Frontier deal was found by Cheapflights users on 11/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/57:25 amORD - AUS
1 stop11h 58mFrontier
Wed 12/253:20 pmAUS - ORD
1 stop6h 25mFrontier
Deal found 11/20$198
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.
Mon 12/164:25 pmPIA - AUS
1 stop7h 15mAmerican Airlines
Sun 1/198:20 amAUS - PIA
1 stop7h 35mAmerican Airlines
Deal found 11/19$248
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Tue 12/248:10 pmORD - AUS
Nonstop3h 02mUnited Airlines
Tue 1/145:26 pmAUS - ORD
Nonstop2h 49mUnited Airlines
Deal found 11/20$257
This CheapOair deal was found by Cheapflights users on 11/20. 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.
Sun 12/84:26 pmSTL - AUS
1 stop25h 00mMultiple Airlines
Mon 12/168:23 pmAUS - STL
1 stop24h 23mMultiple Airlines
Deal found 11/20$266
This CheapOair deal was found by Cheapflights users on 11/20. 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.
Sat 12/76:46 pmSTL - AUS
1 stop24h 37mFrontier
Mon 12/168:23 pmAUS - STL
1 stop24h 23mFrontier
Deal found 11/20$268
This Southwest deal was found by Cheapflights users on 11/20. 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.
Tue 12/247:10 amMDW - AUS
Nonstop2h 50mSouthwest
Tue 1/143:10 pmAUS - MDW
1 stop4h 40mSouthwest
Deal found 11/20$273
This Delta deal was found by Cheapflights users on 11/21. 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.
Tue 12/244:50 pmMDW - AUS
1 stop6h 02mDelta
Tue 1/711:29 amAUS - MDW
1 stop6h 18mDelta
Deal found 11/21$276
This American Airlines deal was found by Cheapflights users on 11/20. 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.
Thu 12/128:40 pmORD - AUS
Nonstop3h 06mAmerican Airlines
Sun 12/156:09 amAUS - ORD
Nonstop2h 44mAmerican Airlines
Deal found 11/20$277
This American Airlines deal was found by Cheapflights users on 11/21. 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.
Thu 12/126:34 pmMLI - AUS
1 stop5h 12mAmerican Airlines
Sun 12/156:05 pmAUS - MLI
1 stop5h 50mAmerican Airlines
Deal found 11/21$278

Find flights from Illinois to Austin within your budget

Customize your flight search to find flights from Illinois to Austin 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 November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoAustin

ORD - AUS

ORDAUS

Chicago O'Hare Intl

Thu 12/5

9:53 pm-1:54 pm

1 stop16h 01m

Austin Bergstrom

Mon 12/9

2:49 pm-5:30 am

1 stop14h 41m

$189

ChicagoAustin

ORD - AUS

ORDAUS

Chicago O'Hare Intl

Tue 12/10

9:58 am-5:26 pm

1 stop7h 28m

Austin Bergstrom

Thu 12/12

8:23 pm-12:35 am

1 stop28h 12m

$190

ChicagoAustin

MDW - AUS

MDWAUS

Chicago Midway

Thu 2/27

6:40 am-11:32 pm

1 stop16h 52m

Austin Bergstrom

Mon 3/3

6:10 am-12:17 am

1 stop18h 07m

$191

ChicagoAustin

ORD - AUS

ORDAUS

Chicago O'Hare Intl

Thu 2/20

6:50 am-11:32 pm

1 stop16h 42m

Austin Bergstrom

Sun 2/23

5:11 pm-5:05 am

1 stop11h 54m

$192

PeoriaAustin

PIA - AUS

PIAAUS

Greater Peoria

Wed 1/8

5:00 am-11:52 am

1 stop6h 52m

Austin Bergstrom

Sat 1/11

9:00 am-2:58 pm

1 stop5h 58m

$208

MolineAustin

MLI - AUS

MLIAUS

Moline Quad-City

Fri 1/31

6:30 am-11:58 am

1 stop5h 28m

Austin Bergstrom

Sat 2/1

2:22 pm-9:09 pm

1 stop6h 47m

$228

ChicagoAustin

ORD - AUS

ORDAUS

Chicago O'Hare Intl

Sat 3/1

5:10 am-11:58 am

1 stop6h 48m

Austin Bergstrom

Sat 3/1

2:01 pm-4:38 pm

Nonstop2h 37m

$241

ChicagoAustin

ORD - AUS

ORDAUS

Chicago O'Hare Intl

Tue 1/28

8:53 am-11:58 am

Nonstop3h 05m

Austin Bergstrom

Tue 2/4

2:22 pm-5:10 pm

Nonstop2h 48m

$257

St. LouisAustin

STL - AUS

STLAUS

Lambert-St Louis

Sun 12/8

4:26 pm-5:26 pm

1 stop25h 00m

Austin Bergstrom

Mon 12/16

8:23 pm-8:46 pm

1 stop24h 23m

$266

St. LouisAustin

STL - AUS

STLAUS

Lambert-St Louis

Sat 12/7

6:46 pm-7:23 pm

1 stop24h 37m

Austin Bergstrom

Mon 12/16

8:23 pm-8:46 pm

1 stop24h 23m

$268

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 57 results
1
2
3
...
6

Best time to book a flight from Illinois to Austin

Have a flexible travel schedule? Discover the best time to fly to Austin from Illinois 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 Illinois to Austin

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

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

Currently, January is the cheapest month in which you can book a flight from Illinois to Austin (average of $286). Flying from Illinois to Austin in March is currently the most expensive (average of $361). 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 IL to AUS?

Find hourly flight availability from Illinois to Austin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

When flying from Illinois to Austin, 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 Illinois to Austin

Explore weekly flight availability from Illinois to Austin. 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 November 21, 2024.

The most flights from USIL to AUS are scheduled on a Thursday (33 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).

Rainfall in Austin by month

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

In terms of precipitation, rainfall in Austin ranges from 2.1 - 4.2 inches per month. May is typically the wettest month, when rainfall can reach 4.2 in. July is typically the driest time to visit Austin when rainfall is around 2.1 in.

Temperature in Austin by month

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

If weather is an important factor for your trip to Austin, 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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

Reviews of airlines servicing Austin

Get insights into the airlines that provide service to Austin. 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 Austin. Reviews last updated November 21, 2024.
To help decide which airline to fly from Illinois to Austin, see what other customers have to say about Spirit Airlines, Frontier and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Southwest
8.1
Very good
5,015 reviews
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Alaska Airlines
8.0
Very good
9,458 reviews
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Delta
8.0
Very good
8,759 reviews
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Aeromexico
7.5
Good
2,004 reviews
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

United Airlines
7.4
Good
9,173 reviews
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Austin. 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 into for flights to Austin from Illinois?

    Austin Bergstrom (AUS) is the airport you will fly into if you book a flight from Illinois to Austin. It is only a 7.5 mi journey from Austin Bergstrom (AUS) to Austin’s city center.

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

    $65 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Southwest and Delta, with prices starting from $112 and $121, respectively.

  • What are the most popular routes from Illinois to Austin?

    While some choose either Chicago Midway - Austin Bergstrom or Lambert-St Louis - Austin Bergstrom, Chicago O'Hare Intl - Austin Bergstrom is the most popular route from Illinois to Austin.

  • What are the most reliable airlines from Illinois to Austin?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Illinois to Austin on time: Air Canada (92%), Southwest (92%), Envoy Air (91%).

  • What are the cheapest flights from Illinois to Austin?

    Looking for the cheapest flight from Illinois to Austin? While on average our users pay $505, our data indicates the cheapest price to be $149. The most popular route (Chicago O'Hare Intl - Austin Bergstrom), is priced around $141.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Austin 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 Illinois to Austin?

    Currently, January is the cheapest month in which you can book a flight from Illinois to Austin (average of $286). Flying from Illinois to Austin in March is currently the most expensive (average of $361). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Austin

See prices for flight routes from nearby airports that may be better suited for you.
LaGuardia to Dallas/Fort Worth flights
John F Kennedy Intl to Dallas/Fort Worth flights
Newark to Dallas/Fort Worth flights
Los Angeles to Dallas/Fort Worth flights
O'Hare Intl to Dallas/Fort Worth flights
LaGuardia to Hobby flights
Newark to Hobby flights
Dulles Intl to Dallas/Fort Worth flights
Baltimore to Dallas/Fort Worth flights
John F Kennedy Intl to Hobby flights
Seattle to Dallas/Fort Worth flights
Baltimore to Hobby flights
Los Angeles to Hobby flights
John F Kennedy Intl to Austin flights
LaGuardia to George Bush Intcntl flights
Newark to George Bush Intcntl flights
Boston to Dallas/Fort Worth flights
John F Kennedy Intl to George Bush Intcntl flights
San Francisco to Dallas/Fort Worth flights
Denver to Dallas/Fort Worth flights
Reagan-National to Dallas/Fort Worth flights
Newark to Austin flights
Reagan-National to Hobby flights
Los Angeles to George Bush Intcntl flights
Atlanta to Dallas/Fort Worth flights
Ontario to Dallas/Fort Worth flights
Midway to Dallas/Fort Worth flights
Orlando to Dallas/Fort Worth flights
Fort Lauderdale to Dallas/Fort Worth flights
Burbank to Dallas/Fort Worth flights
Seattle to Hobby flights
O'Hare Intl to Hobby flights
LaGuardia to Love Field flights
O'Hare Intl to George Bush Intcntl flights
Dallas/Fort Worth to Hobby flights
Atlanta to Hobby flights
Baltimore to George Bush Intcntl flights
Boston to Hobby flights
Philadelphia to Dallas/Fort Worth flights
Detroit to Dallas/Fort Worth flights
Minneapolis to Dallas/Fort Worth flights
Dulles Intl to George Bush Intcntl flights
San Jose to Dallas/Fort Worth flights
LaGuardia to Austin flights
Philadelphia to Hobby flights
Santa Ana to Dallas/Fort Worth flights
Ontario to Hobby flights
Miami to Dallas/Fort Worth flights
Los Angeles to Austin flights
Sky Harbor Intl to Dallas/Fort Worth flights

Top 6 airlines flying from Illinois to Austin

Discover the top 6 airlines that operate flights from Illinois to Austin. 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 November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$110Average$176FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$150Average$245FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$174Average$391FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$194Average$366FlexibilityNo cancel feeOn-time63%
DeltaCheapest$195Average$343FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$198Average$429FlexibilityNo cancel feeOn-time69%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines