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Flights from Chicago to Austin

Hi, I've summed up all the key info for Chicago to Austin flights

Cheapest one-way

US$ 97
Frontier Airlines Fri, Oct 9

66% below next 30d avg. (US$284)

Cheapest round-trip

US$ 190
Frontier Airlines Thu, Sep 17

59% below next 30d avg. (US$463)

When to fly

October Cheapest month
July Peak month

Fastest flight

3h Avg: 2h 57m

Recommended airlines

With a lowest one-way fare of US$97 , travelers can expect an average price of US$284 for upcoming trips, while round-trip tickets start at US$190 . Flights typically take around 2h 57m , but the fastest nonstop option completes the journey in just 3h minutes. There are 18 flights weekly on this route. You can land at any one of the following hubs in Austin: Austin-Bergstrom International Airport (AUS) . Flying from O'Hare International Airport to Austin-Bergstrom International Airport (ORD-AUS) is by far the most common option on this route. To secure the best rates, booking 40 days in advance is recommended, and the cheapest travel days are Tuesday, Wednesday, and Saturday .

Updated 2d ago · This content is an AI-powered summary based on Trip.com data. Prices and availability are subject to change. Please refer to actual prices, availability, and travel conditions.

Explore the cheapest one-way and round-trip flights from Chicago to Austin over the next 90 days, with one-way fares from US$97 and round-trip from US$190. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        ORD 13:28
        2h 53m
        Nonstop
        AUS 16:21
        Chicago - Austin | Sat, Oct 24 | American Airlines
        AUS 21:55
        2h 30m
        Nonstop
        MDW 00:25
        Austin - Chicago | Mon, Oct 26 |
        US$233 US$269
        13% off
        13% off
        US$269 US$233
      • ORD 10:26
        7h 22m
        1 stop
        AUS 17:48
        Chicago - Austin | Thu, Sep 17 | Frontier Airlines
        AUS 20:24
        27h 59m
        1 stop
        ORD 00:23
        Austin - Chicago | Mon, Sep 21 | Frontier Airlines
        US$190 US$269
        28% off
        28% off
        US$269 US$190
      • ORD 11:06
        12h 53m
        1 stop
        AUS 23:59
        Chicago - Austin | Sat, Nov 7 | Frontier Airlines
        AUS 06:45
        27h 16m
        1 stop
        ORD 10:01
        Austin - Chicago | Tue, Nov 10 | Frontier Airlines
        US$191 US$269
        28% off
        28% off
        US$269 US$191
      • ORD 11:06
        12h 53m
        1 stop
        AUS 23:59
        Chicago - Austin | Sat, Oct 24 | Frontier Airlines
        AUS 21:55
        2h 30m
        Nonstop
        MDW 00:25
        Austin - Chicago | Mon, Oct 26 |
        US$194
        28% off
        US$269 US$194
      • ORD 10:35
        6h 56m
        1 stop
        AUS 17:31
        Chicago - Austin | Sat, Oct 24 | Delta Air Lines
        AUS 21:55
        2h 30m
        Nonstop
        MDW 00:25
        Austin - Chicago | Mon, Oct 26 |
        US$199
        26% off
        US$269 US$199
      • ORD 06:50
        28h 46m
        1 stop
        AUS 11:36
        Chicago - Austin | Wed, Oct 21 | Frontier Airlines
        AUS 10:50
        8h 54m
        1 stop
        ORD 19:44
        Austin - Chicago | Wed, Oct 28 | Frontier Airlines
        US$212
        21% off
        US$269 US$212
      • ORD 18:58
        14h 59m
        1 stop
        AUS 09:57
        Chicago - Austin | Thu, Oct 22 | Frontier Airlines
        AUS 12:20
        6h 25m
        1 stop
        ORD 18:45
        Austin - Chicago | Tue, Oct 27 | Frontier Airlines
        US$227
        16% off
        US$269 US$227
      • ORD 10:26
        7h 22m
        1 stop
        AUS 17:48
        Chicago - Austin | Thu, Oct 1 | Frontier Airlines
        AUS 22:24
        13h 33m
        1 stop
        ORD 11:57
        Austin - Chicago | Thu, Oct 8 | Frontier Airlines
        US$235
        13% off
        US$269 US$235
      • ORD 09:26
        25h 6m
        1 stop
        AUS 10:32
        Chicago - Austin | Sun, Nov 8 | Frontier Airlines
        AUS 20:21
        25h 14m
        1 stop
        ORD 21:35
        Austin - Chicago | Wed, Nov 11 | Frontier Airlines
        US$236
        12% off
        US$269 US$236
      • CHI 13:00
        17h 25m
        1 stop
        AUS 14:00
        Chicago - Austin | Sun, Sep 13 | Normal Airline
        AUS 15:00
        6h
        Nonstop
        CHI 16:00
        Austin - Chicago | Tue, Sep 15 | Normal Airline
        More cheap flights
        More cheap flights
      • Cheapest nonstop
        ORD 16:00
        3h
        Nonstop
        AUS 19:00
        Chicago - Austin | Fri, Oct 30 | United Airlines
        US$120 US$137
        12% off
        12% off
        US$137 US$120
      • ORD 17:54
        16h 3m
        1 stop
        AUS 09:57
        Chicago - Austin | Fri, Oct 9 | Frontier Airlines
        US$97 US$137
        28% off
        28% off
        US$137 US$97
      • ORD 06:30
        12h 56m
        1 stop
        AUS 19:26
        Chicago - Austin | Sun, Oct 25 | Frontier Airlines
        US$105 US$137
        23% off
        23% off
        US$137 US$105
      • ORD 21:33
        12h 15m
        1 stop
        AUS 09:48
        Chicago - Austin | Fri, Oct 16 | Frontier Airlines
        US$109
        20% off
        US$137 US$109
      • ORD 06:30
        12h 59m
        1 stop
        AUS 19:29
        Chicago - Austin | Wed, Oct 7 | Frontier Airlines
        US$109
        20% off
        US$137 US$109
      • MDW 07:25
        5h 35m
        1 stop
        AUS 13:00
        Chicago - Austin | Sun, Nov 8 | Frontier Airlines
        US$114
        17% off
        US$137 US$114
      • MDW 07:25
        5h 35m
        1 stop
        AUS 13:00
        Chicago - Austin | Sun, Nov 1 | Frontier Airlines
        US$115
        16% off
        US$137 US$115
      • ORD 06:30
        12h 59m
        1 stop
        AUS 19:29
        Chicago - Austin | Wed, Sep 30 | Frontier Airlines
        US$115
        16% off
        US$137 US$115
      • MDW 06:16
        7h 38m
        1 stop
        AUS 13:54
        Chicago - Austin | Fri, Oct 30 | Frontier Airlines
        US$118
        14% off
        US$137 US$118
      • ORD 06:30
        12h 56m
        1 stop
        AUS 19:26
        Chicago - Austin | Wed, Oct 28 | Frontier Airlines
        US$119
        13% off
        US$137 US$119
      • ORD 06:30
        12h 56m
        1 stop
        AUS 19:26
        Chicago - Austin | Thu, Oct 22 | Frontier Airlines
        US$119
        13% off
        US$137 US$119
      • CHI 13:00
        17h 25m
        1 stop
        AUS 14:00
        Chicago - Austin | Sun, Sep 13 | Normal Airline
        More cheap flights
        More cheap flights

Flight.News
Flights from Chicago to Austin operate an average of 38 times per day over the past 7 days, with a 18.0% on-time departure rate and a 68.5% on-time arrival rate.

Which airlines are the most popular for Chicago to Austin flights?

You can choose from 2 airlines that fly from Chicago to Austin, including United Airlines, American Airlines, Frontier Airlines has lowest fares on this route.
United Airlines logo United Airlines
American Airlines logo American Airlines
Airlines are determined based on actual purchased flight tickets from Chicago to Austin according to previous 12 months data from Trip.com.

Chicago to Austin Flight Information

The distance between Chicago and Austin is about 1,574.54 km. The average flying time from Chicago to Austin is around 2 hours 57 minutes. Based on Trip.com's latest data, travel demand is highest in July. The off-season for travel is October.

Cheapest one-way flight price US$97
Cheapest return ticket price US$190
Cheapest month October
Peak season for travel July
Flight distance 1,574.54 km
Average flight time 2 hours 57 minutes
Popular airline United Airlines
Frequency ～59/week
Flight statistics for the Chicago–Austin route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com Price Trends on Flights from Chicago to Austin

Which month has the cheapest one-way flights from Chicago to Austin?

Average monthly one-way flight prices from Chicago to Austin, based on bookings made by Trip.com users over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Chicago to Austin is December, with an average price of US$138; while the month with the highest flight price is usually March, with an average price of up to US$275.

US$275
US$207
US$138
US$70
    Cheapest
  • US$168
    Sep
  • US$201
    Oct
  • US$155
    Nov
  • US$138
    Dec
  • US$146
    Jan
  • US$157
    Feb
  • US$275
    Mar
  • US$142
    Apr
  • US$149
    May
  • US$247
    Jun
  • US$212
    Jul
  • US$189
    Aug

Frequently Asked Questions

  • What are the cheapest flights from Chicago to Austin (CHI-AUS)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as US$97 on Cheapest nonstop routes (e.g. ORD to AUS on Fri, Oct 9), while Frontier Airlines offers Cheapest nonstop round-trips from US$190 departing on Thu, Sep 17 and returning on Mon, Sep 21.
  • At the moment, you can catch a nonstop flight from Chicago to Austin with the following airlines, including: American Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 2 hours 57 minutes to fly from Chicago to Austin.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Chicago to Austin is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 18 flight per week flying from Chicago to Austin. You can check the weekly schedule for popular airlines on this route below: United Airlines: S/M/T/W/T/-/S -- UA1116 (08:27)
  • To find best deals on flights from Chicago to Austin, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Fri, Oct 9, with one-way flights priced at just US$97.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Austin travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Chicago to Austin is October, when demand for travel is lower.
  • After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Chicago to Austin on September 16, 2026 with Frontier Airlines, with prices starting at US$86.
  • You can land at any one of the following hubs in Austin: Austin-Bergstrom International Airport (AUS). Flying from O'Hare International Airport to Austin-Bergstrom International Airport (ORD-AUS) is by far the most common option on this route.
  • The time difference between Austin and Chicago is 0m.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Chicago to Austin is US$284. Fares vary by travel date, airline and availability.
  • Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Chicago to Austin is US$463. The final price depends on the outbound and return dates, airline and fare conditions.
  • Enter Chicago and Austin, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.
  • Frontier Airlinesare the most popular budget airlines flying from Chicago to Austin. Check baggage, seat and payment fees before comparing the final price.

Trip.com Airline Insights on Flights from Chicago to Austin

Which airline offers the cheapest direct flights from Chicago to Austin?

Data is based on the average price of all nonstop flights from Chicago to Austin on Trip.com over the past 12 months.

Based on Trip.com’s data from the past 12 months, Frontier Airlines provides the lowest-priced direct flights from Chicago to Austin, with fares starting at US$122.

US$75
US$122
US$170
US$217
US$264
Frontier Airlines
US$122
Frontier Airlines
Spirit Airlines
US$128
Spirit Airlines
American Airlines
US$230
American Airlines
United Airlines
US$262
United Airlines
Delta Air Lines
US$264
Delta Air Lines

Which airline operates the most flights from Chicago to Austin?

Total flights from Chicago to Austin across all airlines. (Based on Trip.com data from the past month)

Based on Trip.com’s data from the past month, United Airlines operates the most frequent flights from Chicago to Austin, with 39 flights per week.

3
15
27
39
United Airlines
39
United Airlines
Air Canada
38
Air Canada
American Airlines
30
American Airlines
British Airways
22
British Airways
All Nippon Airways
15
All Nippon Airways

How many flights fly from Chicago to Austin daily?

The data is based on the flight numbers for each day of the week from Chicago to Austin within the Trip.com database over the past month.

Based on the past month's historical data from Trip.com, the number of flights from Chicago to Austin is the highest on Friday and the lowest on Wednesday.

208
177
145
114
Highest
153
Mon
152
Tue
145
Wed
164
Thu
208
Fri
192
Sat
169
Sun

Explore More Popular Flights

Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.