$131+ Cheap flights from Chicago (CHI) 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — AUS
Sep 20 — Sep 271
Round-trip
1 adult, Economy
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Find cheap flights from Chicago 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.Cheapflights Tip: The best prices from Chicago to Austin Bergstrom are usually found in January or February, booked 83 days in advance, depart on a Saturday or Friday and return on a Thursday
Cheap flight deals from Chicago to Austin
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Cheapest flights from Chicago to AustinExplore the most affordable flight options available from Chicago to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2026.
Explore the most affordable flight options available from Chicago to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Thu 9/1010:26 am -
1 stop7h 22m
Mon 9/146:33 pm -
1 stop23h 50m
Deal found 8/19![Frontier logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:30 am -
1 stop6h 00m
Mon 9/218:24 pm -
2 stops17h 53m
Deal found 8/18![Frontier logo]()
$236
This Frontier deal was found by Cheapflights users on 8/17. 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.
Fri 11/61:02 pm -
1 stop7h 56m
Sun 11/89:53 pm -
1 stop14h 04m
Deal found 8/17![Frontier logo]()
$237
This Booking.com deal was found by Cheapflights users on 8/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:26 am -
1 stop7h 22m
Sun 9/138:24 pm -
1 stop27h 59m
Deal found 8/18![Frontier logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Tue 9/151:21 pm -
1 stop25h 16m
Mon 9/218:24 pm -
2 stops17h 53m
Deal found 8/19![Frontier logo]()
$239
This Expedia deal was found by Cheapflights users on 8/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:25 am -
1 stop11h 23m
Thu 10/812:24 pm -
1 stop11h 19m
Deal found 8/17![Frontier logo]()
$240
This Frontier deal was found by Cheapflights users on 8/17. 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 10/156:30 am -
1 stop12h 56m
Mon 10/1910:52 am -
1 stop8h 10m
Deal found 8/17![Frontier logo]()
$240
This Frontier deal was found by Cheapflights users on 8/17. 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 10/16:25 am -
1 stop11h 23m
Thu 10/812:24 pm -
1 stop11h 19m
Deal found 8/17![Frontier logo]()
$241
This Frontier deal was found by Cheapflights users on 8/17. 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.
Sun 9/67:05 am -
1 stop9h 34m
Wed 9/910:58 am -
1 stop12h 01m
Deal found 8/17![Frontier logo]()
$241
This Expedia deal was found by Cheapflights users on 8/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/125:20 pm -
1 stop6h 43m
Tue 12/155:20 am -
1 stop7h 39m
Deal found 8/19![Frontier logo]()
$242
This Frontier deal was found by Cheapflights users on 8/16. 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 9/32:41 pm -
1 stop9h 00m
Mon 9/211:25 pm -
1 stop10h 58m
Deal found 8/16![Frontier logo]()
$242
This Super.com deal was found by Cheapflights users on 8/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:11 pm -
1 stop20h 41m
Sun 10/2510:52 am -
1 stop20h 39m
Deal found 8/16![Frontier logo]()
$243
Best flights from Chicago to AustinDiscover carefully curated flight deals from Chicago to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 21, 2026.
Discover carefully curated flight deals from Chicago to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 21, 2026.
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Thu 9/177:00 am -
Nonstop2h 58m
Wed 9/236:35 am -
Nonstop2h 55m
Deal found 8/19![United Airlines logo]()
$261
This Southwest deal was found by Cheapflights users on 8/17. 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.
Sun 9/611:05 am -
Nonstop2h 30m
Wed 9/94:40 pm -
Nonstop2h 30m
Deal found 8/17![Southwest logo]()
$266
This American Airlines deal was found by Cheapflights users on 8/20. 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 9/249:13 pm -
Nonstop2h 46m
Sun 9/278:00 am -
1 stop4h 54m
Deal found 8/20![American Airlines logo]()
$301
This Delta deal was found by Cheapflights users on 8/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:30 am -
1 stop6h 37m
Sat 11/216:41 pm -
1 stop5h 18m
Deal found 8/18![Delta logo]()
$316
This Southwest deal was found by Cheapflights users on 8/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:35 pm -
Nonstop2h 35m
Thu 9/107:25 pm -
1 stop4h 00m
Deal found 8/18![Southwest logo]()
$267
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Fri 10/3012:59 pm -
Nonstop3h 03m
Mon 11/212:49 pm -
Nonstop2h 49m
Deal found 8/19![United Airlines logo]()
$270
This Southwest deal was found by Cheapflights users on 8/16. 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.
Fri 10/96:45 am -
Nonstop2h 35m
Mon 10/125:05 am -
Nonstop2h 30m
Deal found 8/16![Southwest logo]()
$270
This United Airlines deal was found by Cheapflights users on 8/16. 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 9/291:30 pm -
Nonstop2h 54m
Thu 10/15:39 pm -
1 stop5h 48m
Deal found 8/16![United Airlines logo]()
$271
This Southwest deal was found by Cheapflights users on 8/19. 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.
Thu 9/1010:35 am -
1 stop3h 50m
Mon 9/147:25 pm -
1 stop4h 00m
Deal found 8/19![Southwest logo]()
$272
This United Airlines deal was found by Cheapflights users on 8/16. 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 9/87:00 am -
Nonstop2h 58m
Sat 9/129:34 am -
Nonstop2h 55m
Deal found 8/16![United Airlines logo]()
$296
This Southwest deal was found by Cheapflights users on 8/20. 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.
Fri 10/236:05 pm -
1 stop5h 25m
Mon 10/269:55 pm -
Nonstop2h 30m
Deal found 8/20![Southwest logo]()
$289
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Sun 11/16:55 am -
1 stop6h 22m
Tue 11/312:49 pm -
Nonstop2h 49m
Deal found 8/20![United Airlines logo]()
$301
This Southwest deal was found by Cheapflights users on 8/19. 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.
Wed 9/1610:15 am -
Nonstop2h 35m
Sun 9/206:40 am -
Nonstop2h 30m
Deal found 8/19![Southwest logo]()
$291
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Fri 10/231:30 pm -
Nonstop2h 54m
Mon 10/267:05 pm -
1 stop5h 40m
Deal found 8/20![United Airlines logo]()
$312
This Southwest deal was found by Cheapflights users on 8/16. 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.
Fri 10/99:40 pm -
Nonstop2h 35m
Sun 10/115:05 am -
Nonstop2h 30m
Deal found 8/16![Southwest logo]()
$300
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Wed 9/27:00 am -
Nonstop2h 58m
Mon 9/76:35 am -
Nonstop2h 55m
Deal found 8/17![United Airlines logo]()
$322
This Southwest deal was found by Cheapflights users on 8/17. 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.
Fri 9/1812:05 pm -
Nonstop2h 30m
Sun 9/206:40 am -
Nonstop2h 30m
Deal found 8/17![Southwest logo]()
$300
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Tue 9/111:00 am -
Nonstop2h 58m
Sun 9/65:44 pm -
1 stop5h 42m
Deal found 8/19![United Airlines logo]()
$337
This Southwest deal was found by Cheapflights users on 8/20. 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.
Thu 11/122:35 pm -
2 stops6h 00m
Tue 11/1712:55 pm -
1 stop4h 10m
Deal found 8/20![Southwest logo]()
$312
This United Airlines deal was found by Cheapflights users on 8/20. 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 9/87:50 pm -
Nonstop2h 55m
Wed 9/99:33 am -
1 stop5h 18m
Deal found 8/20![United Airlines logo]()
$337
This Southwest deal was found by Cheapflights users on 8/20. 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.
Sat 9/510:05 am -
Nonstop2h 35m
Tue 9/84:40 pm -
Nonstop2h 30m
Deal found 8/20![Southwest logo]()
$327
Last-minute flights from Chicago to AustinDiscover last-minute flight deals from Chicago to Austin. Data last updated August 21, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Austin. Data last updated August 21, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 8/16. 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 9/32:41 pm -
1 stop9h 00m
Mon 9/211:25 pm -
1 stop10h 58m
Deal found 8/16![Frontier logo]()
$242
This Frontier deal was found by Cheapflights users on 8/17. 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.
Sun 9/67:05 am -
1 stop9h 34m
Wed 9/910:58 am -
1 stop12h 01m
Deal found 8/17![Frontier logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:20 am -
1 stop11h 28m
Thu 9/108:24 pm -
2 stops25h 15m
Deal found 8/18![Frontier logo]()
$246
This FlightHub deal was found by Cheapflights users on 8/16. 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.
Wed 9/93:50 pm -
1 stop18h 13m
Sun 9/138:24 pm -
1 stop27h 59m
Deal found 8/16![Frontier logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Thu 9/1010:26 am -
1 stop7h 22m
Mon 9/146:33 pm -
1 stop23h 50m
Deal found 8/19![Frontier logo]()
$235
This Booking.com deal was found by Cheapflights users on 8/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:26 am -
1 stop7h 22m
Sun 9/138:24 pm -
1 stop27h 59m
Deal found 8/18![Frontier logo]()
$238
This Southwest deal was found by Cheapflights users on 8/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:30 am -
Nonstop2h 25m
Sat 9/1211:35 am -
Nonstop2h 30m
Deal found 8/18![Southwest logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:55 pm -
1 stop17h 42m
Mon 9/148:24 pm -
2 stops17h 53m
Deal found 8/18![Frontier logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:30 am -
1 stop6h 00m
Mon 9/218:24 pm -
2 stops17h 53m
Deal found 8/18![Frontier logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Tue 9/151:21 pm -
1 stop25h 16m
Mon 9/218:24 pm -
2 stops17h 53m
Deal found 8/19![Frontier logo]()
$239
This Frontier deal was found by Cheapflights users on 8/16. 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.
Fri 9/1810:26 am -
1 stop7h 22m
Mon 9/211:25 pm -
1 stop10h 58m
Deal found 8/16![Frontier logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Wed 9/306:30 am -
1 stop12h 59m
Wed 10/76:33 pm -
2 stops21h 03m
Deal found 8/16![Frontier logo]()
$244
One-way flights from Chicago to AustinSearch for one-way flight options from Chicago to Austin. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.
Search for one-way flight options from Chicago to Austin. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.
This Southwest deal was found by Cheapflights users on 8/17. 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.
Wed 9/91:40 pm -
Nonstop2h 30m
Deal found 8/17![Southwest logo]()
$131
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Thu 9/107:00 am -
Nonstop2h 58m
Deal found 8/17![United Airlines logo]()
$131
This Frontier deal was found by Cheapflights users on 8/17. 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.
Wed 8/262:41 pm -
1 stop9h 00m
Deal found 8/17![Frontier logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:44 pm -
2 stops14h 13m
Deal found 8/18![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Mon 10/196:15 am -
1 stop28h 54m
Deal found 8/16![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Wed 9/163:50 pm -
2 stops25h 58m
Deal found 8/17![Frontier logo]()
$134
This Super.com deal was found by Cheapflights users on 8/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:05 am -
1 stop10h 34m
Deal found 8/18![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Sat 11/1411:06 am -
2 stops22h 47m
Deal found 8/16![Frontier logo]()
$135
This Southwest deal was found by Cheapflights users on 8/17. 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.
Sat 9/510:05 am -
Nonstop2h 35m
Deal found 8/17![Southwest logo]()
$136
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Sat 9/58:10 pm -
Nonstop2h 55m
Deal found 8/17![United Airlines logo]()
$136
This CheapOair deal was found by Cheapflights users on 8/19. 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.
Fri 9/116:25 am -
1 stop11h 23m
Deal found 8/19![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Wed 9/96:20 am -
2 stops27h 43m
Deal found 8/16![Frontier logo]()
$137
Find flight deals from Chicago to Austin
Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) 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 August 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $235 (Kiwi.com) |
One-way from | $131 (Southwest) |
Popular in | July |
Cheapest in | January |
Average price | $336 |
Good round-trip deal | $286 or less |
Good one-way deal | $186 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago 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 7,457,451 searches. Data last updated August 21, 2026.
Use the filters below to find and compare flights from Chicago to Austin that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoAustin
ORD Chicago O'Hare Intl - AUS Austin Bergstrom
ORDAUS
Chicago O'Hare Intl
Thu 9/17
7:00 am-9:58 am
Nonstop2h 58m
Austin Bergstrom
Wed 9/23
6:35 am-9:30 am
Nonstop2h 55m
$261
Quickest round-trip
ChicagoAustin
MDW Chicago Midway - AUS Austin Bergstrom
MDWAUS
Chicago Midway
Sun 9/6
11:05 am-1:35 pm
Nonstop2h 30m
Austin Bergstrom
Wed 9/9
4:40 pm-7:10 pm
Nonstop2h 30m
$266
ChicagoAustin
MDW Chicago Midway - AUS Austin Bergstrom
MDWAUS
Chicago Midway
Wed 9/9
8:35 pm-11:10 pm
Nonstop2h 35m
Austin Bergstrom
Thu 9/10
7:25 pm-11:25 pm
1 stop4h 00m
$267
ChicagoAustin
ORD Chicago O'Hare Intl - AUS Austin Bergstrom
ORDAUS
Chicago O'Hare Intl
Fri 10/30
12:59 pm-4:02 pm
Nonstop3h 03m
Austin Bergstrom
Mon 11/2
12:49 pm-3:38 pm
Nonstop2h 49m
$270
ChicagoAustin
MDW Chicago Midway - AUS Austin Bergstrom
MDWAUS
Chicago Midway
Fri 10/9
6:45 am-9:20 am
Nonstop2h 35m
Austin Bergstrom
Mon 10/12
5:05 am-7:35 am
Nonstop2h 30m
$270
ChicagoAustin
ORD Chicago O'Hare Intl - AUS Austin Bergstrom
ORDAUS
Chicago O'Hare Intl
Tue 9/29
1:30 pm-4:24 pm
Nonstop2h 54m
Austin Bergstrom
Thu 10/1
5:39 pm-11:27 pm
1 stop5h 48m
$271
ChicagoAustin
MDW Chicago Midway - AUS Austin Bergstrom
MDWAUS
Chicago Midway
Thu 9/10
10:35 am-2:25 pm
1 stop3h 50m
Austin Bergstrom
Mon 9/14
7:25 pm-11:25 pm
1 stop4h 00m
$272
ChicagoAustin
MDW Chicago Midway - AUS Austin Bergstrom
MDWAUS
Chicago Midway
Fri 10/23
6:05 pm-11:30 pm
1 stop5h 25m
Austin Bergstrom
Mon 10/26
9:55 pm-12:25 am
Nonstop2h 30m
$289
ChicagoAustin
MDW Chicago Midway - AUS Austin Bergstrom
MDWAUS
Chicago Midway
Wed 9/16
10:15 am-12:50 pm
Nonstop2h 35m
Austin Bergstrom
Sun 9/20
6:40 am-9:10 am
Nonstop2h 30m
$291
ChicagoAustin
ORD Chicago O'Hare Intl - AUS Austin Bergstrom
ORDAUS
Chicago O'Hare Intl
Tue 9/8
7:00 am-9:58 am
Nonstop2h 58m
Austin Bergstrom
Sat 9/12
9:34 am-12:29 pm
Nonstop2h 55m
$296
Showing 1-10 of 45 resultsSorted by cheapest first
Compare providers for flights from Chicago to Austin
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Austin in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chicago-Austin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Austin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Austin flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago-Austin flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Austin flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Chicago to Austin
Have a flexible travel schedule? Discover the best time to fly to Austin from Chicago with our price prediction graph.
CHI-AUS
ORD-AUS
MDW-AUS
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.
Cheapflights Insights
Everything you need to know about your flight from Chicago to Austin
CHI-AUS
ORD-AUS
MDW-AUS
What is the cheapest month to book a flight from Chicago to Austin?
Currently, January is the cheapest month in which you can book a flight from Chicago to Austin (average of $204). Flying from Chicago to Austin in July is currently the most expensive (average of $408). 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 CHI to AUS?
Find hourly flight availability from Chicago 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 August 21, 2026.
One of the essential ways to save on airfare from Chicago to Austin is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 13% on airfare.
Weekly flight availability from Chicago to Austin
Explore weekly flight availability from Chicago 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 August 21, 2026.
The most flights from CHI to AUS are scheduled on a Wednesday (35 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).
How much does it cost to fly round-trip from Chicago to Austin?
Airfare is below average for this route at the moment.
Chicago to Austin flights typically cost between $256 and $404 in September.The cheapest round-trip price found within the last 5 days was $235 on Frontier (Sep 10-Sep 14).
How often are flights from Chicago to Austin delayed?
About 20% of weekly flights between Chicago and Austin have experienced delays in the past year, with the average delay time being 143 minutes.
What is the most punctual flight time for Chicago to Austin flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Chicago to Austin flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 15% of flights being delayed.
How far ahead should I book a flight from Chicago to Austin?
The price you pay for your flight from Chicago to Austin may vary depending on when you book. For the best chance of a lower fare, look to book 82 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest day to fly from Chicago to Austin?
Use this chart to determine the cheapest time to fly round-trip from Chicago to Austin. Price data was last updated on August 15, 2026.
Travelers seeking maximum savings on their Chicago to Austin flight should consider departing on Tuesday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The best insider tips for Chicago to Austin flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Chicago to Austin trip
Our travel experts
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 August 21, 2026.
See what other customers who have flown with Southwest,United Airlines, andAmerican Airlines from Chicago to Austin have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Related info for your journey
Find useful and relevant information for your journey from Chicago to Austin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Austin?
Book flights to Austin if you plan to visit one of these locationsRound Rock
Cedar Park
San Marcos
Bastrop
Fredericksburg
Pflugerville
Dripping Springs
Georgetown
Seguin
Canyon Lake
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Other flights to Austin
Explore flights to Austin departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 21, 2026.
Complete your trip
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Chicago and Austin flights
Browse other Chicago and Austin flight options. Last updated on August 21, 2026.
Other flights from Chicago
Browse through other flights departing from Chicago. Flights are based on user searches made on Cheapflights and were last updated on August 21, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Chicago to Austin
Discover the top 5 airlines that operate flights from Chicago 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 7,457,451 searches. Data last updated August 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$58 | Average$217 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$151 | Average$356 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$182 | Average$342 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$183 | Average$385 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$190 | Average$268 | FlexibilityNo cancel fee | On-time62% |