How long is the flight from Austin to Chicago O'Hare Intl Airport?

Airlines like Southwest, United Airlines, and Delta fly from Austin to Chicago O'Hare Intl Airport in about 2h 45m. The time it takes to get you to your destination can typically vary by up to 2h 35m. Airlines will cover a distance of 978 mi. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from Austin to Chicago O'Hare Intl Airport round-trip?

Our cheapest airline available from Austin to Chicago O'Hare Intl Airport is Frontier. Our recent data shows that you can find tickets from as low as $73 on this airline. Additional options worth looking into are Spirit Airlines and Southwest, starting at $78 and $161 round-trip. These flights start at 77% lower than the current average price 3 months from now.

Weekly flight availability from Austin to Chicago O'Hare Intl Airport

The most flights from AUS to ORD are scheduled on a Monday (41 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (31 on average).

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, 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).

What are the cheapest flights from Austin to Chicago O'Hare Intl Airport?

Looking for the cheapest flight from Austin to Chicago O'Hare Intl Airport? While on average our users pay $857, our data indicates the cheapest price to be $70. The most popular route (Austin Bergstrom - Chicago O'Hare Intl), is priced around $120.

What are the most reliable airlines from Austin to Chicago O'Hare Intl Airport?

Consider Japan Airlines (87%), ANA (86%) or Finnair (83%) when booking your flight. These represent the most reliable airlines when flying from Austin to Chicago O'Hare Intl Airport.

What are the most popular airlines that fly from Austin to Chicago O'Hare Intl Airport?

Before booking your flight from Austin to Chicago O'Hare Intl Airport check out the most popular airlines for this route: American Airlines, Frontier or Spirit Airlines.

What airport do you fly from for flights from Austin to Chicago O'Hare Intl?

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 Chicago O'Hare Intl. 5 airlines have flights from Austin Bergstrom to Chicago O'Hare Intl on a regular basis. Booking flights from Austin Bergstrom to Chicago O'Hare Intl should not be difficult; the airport handles an average of 35 outbound flights to Chicago O'Hare Intl per day.

Can I find deals for flights from Austin to O'Hare Intl that include hotel bookings?

Yes. In addition to deals on Austin to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Austin to O'Hare Intl?

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

Can I find deals for business class flights from Austin to O'Hare Intl?

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

$74+ Cheap Flights from Austin to Chicago O'Hare Intl Airport

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Cheapflights Tip: The best prices from Austin Bergstrom to Chicago O'Hare Intl are usually found in April or June, booked 85 days in advance, depart on a Thursday or Friday and return on a Saturday

Cheap flight deals from Austin to O'Hare Intl

Round-trip from	$144 (Mytrip)
One-way from	$74 (Priceline)
Popular in	December
Cheapest in	April
Average price	$307
Good round-trip deal	$257 or less
Good one-way deal	$129 or less

From Austin Bergstrom to Chicago O'Hare Intl

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One-way flight from Austin Bergstrom to Chicago O'Hare Intl

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Highest demand for flights based on searches. 17% potential increase in price ($68 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Price to beat on a round-trip flight from Austin Bergstrom to Chicago O'Hare Intl.

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Price to beat on a one-way flight from Austin Bergstrom to Chicago O'Hare Intl.

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Cheapest flights from Austin to O'Hare Intl
Explore the most affordable flight options available from Austin to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

Fri 11/711:20 amAUS - ORD

Nonstop2h 49mFrontier

Sun 11/96:00 amORD - AUS

1 stop27h 42mFrontier

Deal found 9/16

$144

Fri 10/1010:17 pmAUS - ORD

Nonstop2h 49mFrontier

Wed 10/157:15 amORD - AUS

1 stop17h 18mFrontier

Deal found 9/15

$145

Fri 10/246:02 pmAUS - ORD

1 stop5h 37mFrontier

Wed 10/297:20 amORD - AUS

1 stop17h 12mFrontier

Deal found 9/15

$146

Fri 10/39:23 pmAUS - ORD

1 stop24h 05mFrontier

Mon 10/610:42 amORD - AUS

1 stop5h 52mFrontier

Deal found 9/15

$147

Thu 10/94:48 pmAUS - ORD

1 stop7h 05mMultiple Airlines

Sat 10/1811:55 amORD - AUS

1 stop9h 50mMultiple Airlines

Deal found 9/15

$148

Wed 10/226:00 amAUS - ORD

1 stop17h 53mFrontier

Mon 10/2710:51 amORD - AUS

1 stop13h 42mFrontier

Deal found 9/14

$149

Thu 10/1610:35 amAUS - ORD

1 stop7h 05mFrontier

Thu 10/236:50 amORD - AUS

1 stop9h 03mFrontier

Deal found 9/16

$150

Tue 10/141:40 pmAUS - ORD

Nonstop2h 45mSouthwest

Wed 10/154:20 pmORD - AUS

Nonstop2h 50mSouthwest

Deal found 9/15

$151

Mon 9/2911:27 amAUS - ORD

Nonstop2h 53mFrontier

Fri 10/37:30 amORD - AUS

Nonstop3h 07mFrontier

Deal found 9/14

$152

Mon 10/611:27 amAUS - ORD

Nonstop2h 53mFrontier

Thu 10/96:50 amORD - AUS

1 stop9h 03mFrontier

Deal found 9/15

$153

Mon 10/611:27 amAUS - ORD

Nonstop2h 53mFrontier

Fri 10/106:42 pmORD - AUS

Nonstop2h 50mFrontier

Deal found 9/15

$154

Mon 11/105:56 pmAUS - ORD

1 stop6h 15mMultiple Airlines

Tue 11/1810:49 amORD - AUS

1 stop12h 23mMultiple Airlines

Deal found 9/15

$155

Best flights from Austin to O'Hare Intl
Discover carefully curated flight deals from Austin to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2025.

Wed 10/151:40 pmAUS - ORD

Nonstop2h 45mSouthwest

Fri 10/174:20 pmORD - AUS

Nonstop2h 50mSouthwest

Deal found 9/14

$176

Tue 11/1110:00 amAUS - ORD

Nonstop2h 45mUnited Airlines

Sat 11/157:30 amORD - AUS

Nonstop3h 00mUnited Airlines

Deal found 9/15

$211

Sat 11/156:15 amAUS - ORD

1 stop5h 20mDelta

Sat 11/154:21 pmORD - AUS

1 stop5h 26mDelta

Deal found 9/15

$217

Tue 9/304:00 pmAUS - ORD

Nonstop2h 52mAmerican Airlines

Thu 10/22:55 pmORD - AUS

Nonstop2h 43mAmerican Airlines

Deal found 9/16

$294

Thu 10/234:40 pmAUS - ORD

1 stop4h 50mSouthwest

Wed 10/294:20 pmORD - AUS

Nonstop2h 50mSouthwest

Deal found 9/14

$186

Thu 10/307:00 amAUS - ORD

Nonstop2h 44mUnited Airlines

Sun 11/27:30 amORD - AUS

Nonstop3h 00mUnited Airlines

Deal found 9/17

$224

Tue 9/3012:35 pmAUS - ORD

Nonstop2h 45mSouthwest

Tue 10/76:15 amORD - AUS

1 stop10h 45mSouthwest

Deal found 9/16

$221

Tue 9/309:45 amAUS - ORD

Nonstop2h 55mUnited Airlines

Fri 10/37:38 pmORD - AUS

Nonstop2h 55mUnited Airlines

Deal found 9/16

$246

Thu 10/95:15 pmAUS - ORD

Nonstop2h 55mUnited Airlines

Tue 10/148:50 amORD - AUS

Nonstop2h 52mUnited Airlines

Deal found 9/17

$266

Tue 9/3012:35 pmAUS - ORD

Nonstop2h 45mSouthwest

Wed 10/11:50 pmORD - AUS

1 stop9h 35mSouthwest

Deal found 9/16

$291

Thu 10/163:51 pmAUS - ORD

Nonstop2h 55mUnited Airlines

Thu 10/237:10 amORD - AUS

1 stop5h 58mUnited Airlines

Deal found 9/16

$281

Sun 11/167:00 amAUS - ORD

Nonstop2h 44mUnited Airlines

Tue 11/181:15 pmORD - AUS

Nonstop3h 01mUnited Airlines

Deal found 9/15

$294

Last-minute flights from Austin to O'Hare Intl
Discover last-minute flight deals from Austin to O'Hare Intl. Data last updated September 17, 2025 and is based on user searches.

Mon 9/2911:27 amAUS - ORD

Nonstop2h 53mFrontier

Fri 10/37:30 amORD - AUS

Nonstop3h 07mFrontier

Deal found 9/14

$152

Thu 10/26:30 amAUS - ORD

1 stop27h 07mFrontier

Sun 10/58:49 pmORD - AUS

1 stop20h 36mFrontier

Deal found 9/15

$157

Fri 10/39:23 pmAUS - ORD

1 stop24h 05mFrontier

Mon 10/610:42 amORD - AUS

1 stop5h 52mFrontier

Deal found 9/15

$147

Mon 10/611:27 amAUS - ORD

Nonstop2h 53mFrontier

Thu 10/96:50 amORD - AUS

1 stop9h 03mFrontier

Deal found 9/15

$153

Mon 10/611:27 amAUS - ORD

Nonstop2h 53mFrontier

Fri 10/106:42 pmORD - AUS

Nonstop2h 50mFrontier

Deal found 9/15

$154

Thu 10/94:48 pmAUS - ORD

1 stop7h 05mMultiple Airlines

Sat 10/1811:55 amORD - AUS

1 stop9h 50mMultiple Airlines

Deal found 9/15

$148

Fri 10/1010:17 pmAUS - ORD

Nonstop2h 49mFrontier

Wed 10/157:15 amORD - AUS

1 stop17h 18mFrontier

Deal found 9/15

$145

Tue 10/141:40 pmAUS - ORD

Nonstop2h 45mSouthwest

Wed 10/154:20 pmORD - AUS

Nonstop2h 50mSouthwest

Deal found 9/15

$151

Thu 10/1610:35 amAUS - ORD

1 stop7h 05mFrontier

Thu 10/236:50 amORD - AUS

1 stop9h 03mFrontier

Deal found 9/16

$150

Wed 10/226:00 amAUS - ORD

1 stop17h 53mFrontier

Mon 10/2710:51 amORD - AUS

1 stop13h 42mFrontier

Deal found 9/14

$149

Thu 10/234:48 pmAUS - ORD

1 stop7h 05mMultiple Airlines

Sat 10/2511:55 amORD - AUS

1 stop9h 50mMultiple Airlines

Deal found 9/15

$155

Fri 10/246:02 pmAUS - ORD

1 stop5h 37mFrontier

Mon 10/276:50 amORD - AUS

1 stop17h 43mFrontier

Deal found 9/15

$146

One-way flights from Austin to O'Hare Intl
Search for one-way flight options from Austin to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated September 17, 2025.

Sun 10/1210:24 pmAUS - ORD

Nonstop2h 49mFrontier

Deal found 9/17

$74

Thu 9/2512:44 pmAUS - ORD

1 stop9h 56mFrontier

Deal found 9/15

$76

Thu 10/2310:35 amAUS - ORD

1 stop7h 05mFrontier

Deal found 9/16

$77

Fri 11/147:15 amAUS - ORD

1 stop11h 08mSpirit Airlines

Deal found 9/15

$79

Tue 10/143:51 pmAUS - ORD

Nonstop2h 55mUnited Airlines

Deal found 9/15

$81

Sat 10/257:45 amAUS - ORD

1 stop16h 08mFrontier

Deal found 9/14

$82

Sun 12/71:41 pmAUS - ORD

1 stop10h 01mSpirit Airlines

Deal found 9/17

$83

Sun 10/267:20 amAUS - ORD

1 stop9h 33mSpirit Airlines

Deal found 9/14

$84

Tue 12/91:41 pmAUS - ORD

1 stop7h 19mSpirit Airlines

Deal found 9/15

$85

Tue 10/147:20 amAUS - ORD

1 stop16h 25mSpirit Airlines

Deal found 9/16

$86

Cheapflights Fare Finder

Use the filters below to find and compare flights from Austin to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AustinChicago

AUS - ORD

AUSORD

Austin Bergstrom

Wed 10/15

1:40 pm-4:25 pm

Nonstop2h 45m

Chicago O'Hare Intl

Fri 10/17

4:20 pm-7:10 pm

Nonstop2h 50m

$176

AustinChicago

AUS - ORD

AUSORD

Austin Bergstrom

Thu 10/23

4:40 pm-9:30 pm

1 stop4h 50m

Chicago O'Hare Intl

Wed 10/29

4:20 pm-7:10 pm

Nonstop2h 50m

$186

AustinChicago

AUS - ORD

AUSORD

Austin Bergstrom

Tue 11/11

10:00 am-12:45 pm

Nonstop2h 45m

Chicago O'Hare Intl

Sat 11/15

7:30 am-10:30 am

Nonstop3h 00m

$211

AustinChicago

AUS - ORD

AUSORD

Austin Bergstrom

Sat 11/15

6:15 am-11:35 am

1 stop5h 20m

Chicago O'Hare Intl

Sat 11/15

4:21 pm-9:47 pm

1 stop5h 26m

$217

AustinChicago

AUS - ORD

AUSORD

Austin Bergstrom

Tue 9/30

12:35 pm-3:20 pm

Nonstop2h 45m

Chicago O'Hare Intl

Tue 10/7

6:15 am-5:00 pm

1 stop10h 45m

$221

AustinChicago

AUS - ORD

AUSORD

Austin Bergstrom

Thu 10/30

7:00 am-9:44 am

Nonstop2h 44m

Chicago O'Hare Intl

Sun 11/2

7:30 am-10:30 am

Nonstop3h 00m

$224

AustinChicago

AUS - ORD

AUSORD

Austin Bergstrom

Tue 9/30

9:45 am-12:40 pm

Nonstop2h 55m

Chicago O'Hare Intl

Fri 10/3

7:38 pm-10:33 pm

Nonstop2h 55m

$246

AustinChicago

AUS - ORD

AUSORD

Austin Bergstrom

Thu 10/9

5:15 pm-8:10 pm

Nonstop2h 55m

Chicago O'Hare Intl

Tue 10/14

8:50 am-11:42 am

Nonstop2h 52m

$266

AustinChicago

AUS - ORD

AUSORD

Austin Bergstrom

Thu 10/16

3:51 pm-6:46 pm

Nonstop2h 55m

Chicago O'Hare Intl

Thu 10/23

7:10 am-1:08 pm

1 stop5h 58m

$281

AustinChicago

AUS - ORD

AUSORD

Austin Bergstrom

Tue 9/30

12:35 pm-3:20 pm

Nonstop2h 45m

Chicago O'Hare Intl

Wed 10/1

1:50 pm-11:25 pm

1 stop9h 35m

$291

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 23 results

The best insider tips for Austin to Chicago O'Hare Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your Austin to Chicago O'Hare Intl Airport trip

Airports

AUS

Expect long lines at AUS; arrive early to avoid missing your flight. Self-checkout options help speed up shopping.

ORD

For a quick city transfer, take the 'L' train from ORD to downtown Chicago, avoiding traffic delays.

Our travel experts

Ramsey Qubein

Expert on ORD and AUS

Best time to book a flight from Austin to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl 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.

Cheapflights Insights

Everything you need to know about your flight from Austin to Chicago O'Hare Intl Airport

Prices

Airlines

How far ahead should I book a flight from Austin to Chicago O'Hare Intl Airport?

The price you pay for your flight from Austin to Chicago O'Hare Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 85 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Austin to Chicago O'Hare Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Austin to Chicago O'Hare Intl Airport (average of $245). Flying from Austin to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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 ORD?

It’s optimal to fly from Austin to Chicago O'Hare Intl Airport in the evening. By choosing this option you can save up to 60% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Austin to Chicago O'Hare Intl Airport?

Travelers seeking maximum savings on their Austin to Chicago O'Hare Intl Airport flight should consider departing on Sunday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing O'Hare Intl

Read reviews from past customers who have flown Southwest, United Airlines, and American Airlines from Austin to Chicago O'Hare Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,242 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest

8.0

Very good

4,242 reviews

Southwest

8.0

Very good

4,242 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines

7.4

Good

8,926 reviews

Southwest

8.0

Very good

4,242 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,242 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Spirit Airlines

6.3

Okay

8,023 reviews

Southwest

8.0

Very good

4,242 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Frontier

5.8

Fair

3,173 reviews

Southwest

8.0

Very good

4,242 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

What airport do you fly from for flights from Austin to Chicago O'Hare Intl?
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 Chicago O'Hare Intl. 5 airlines have flights from Austin Bergstrom to Chicago O'Hare Intl on a regular basis. Booking flights from Austin Bergstrom to Chicago O'Hare Intl should not be difficult; the airport handles an average of 35 outbound flights to Chicago O'Hare Intl per day.
How long is the flight from Austin to Chicago O'Hare Intl Airport?
Airlines like Southwest, United Airlines, and Delta fly from Austin to Chicago O'Hare Intl Airport in about 2h 45m. The time it takes to get you to your destination can typically vary by up to 2h 35m. Airlines will cover a distance of 978 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines flying from Austin to Chicago O'Hare Intl Airport round-trip?
Our cheapest airline available from Austin to Chicago O'Hare Intl Airport is Frontier. Our recent data shows that you can find tickets from as low as $73 on this airline. Additional options worth looking into are Spirit Airlines and Southwest, starting at $78 and $161 round-trip. These flights start at 77% lower than the current average price 3 months from now.
What are the most reliable airlines from Austin to Chicago O'Hare Intl Airport?
Consider Japan Airlines (87%), ANA (86%) or Finnair (83%) when booking your flight. These represent the most reliable airlines when flying from Austin to Chicago O'Hare Intl Airport.
What are the cheapest flights from Austin to Chicago O'Hare Intl Airport?
Looking for the cheapest flight from Austin to Chicago O'Hare Intl Airport? While on average our users pay $857, our data indicates the cheapest price to be $70. The most popular route (Austin Bergstrom - Chicago O'Hare Intl), is priced around $120.
Can I find deals for flights from Austin to O'Hare Intl that include hotel bookings?
Yes. In addition to deals on Austin to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Austin to O'Hare Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Austin to O'Hare Intl.
Can I find deals for business class flights from Austin to O'Hare Intl?
Yes. Cheapflights offers flight deals from Austin to O'Hare Intl 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 Chicago O'Hare Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Austin to Chicago O'Hare Intl Airport (average of $245). Flying from Austin to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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.

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Top 5 airlines flying from Austin to O'Hare Intl

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$73	Average$188	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$78	Average$210	FlexibilityNo cancel fee	On-time65%
Southwest	Cheapest$161	Average$331	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$169	Average$317	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$199	Average$407	FlexibilityNo cancel fee	On-time69%

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$74+ Cheap flights from Austin (AUS) to O'Hare Intl (ORD)

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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Austin Bergstrom to Chicago O'Hare Intl are usually found in April or June, booked 85 days in advance, depart on a Thursday or Friday and return on a Saturday

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Cheapest flights from Austin to O'Hare IntlExplore the most affordable flight options available from Austin to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

Explore the most affordable flight options available from Austin to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

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Everything you need to know about your flight from Austin to Chicago O'Hare Intl Airport

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Cheapest flights from Austin to O'Hare Intl
Explore the most affordable flight options available from Austin to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.