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Flights from Chattanooga to Chicago

Search for direct flights from Chattanooga to Chicago in the next 3 months. Based on Trip.com's latest 7-day flight data, one-way direct flights start at US$246, and round-trip direct flights start at US$253.

      • Cheapest nonstop
        CHA 17:52
        2h 22m
        Nonstop
        ORD 19:14
        Chattanooga - Chicago | Thu, Aug 13 | American Airlines
        ORD 20:56
        1h 50m
        Nonstop
        CHA 23:46
        Chicago - Chattanooga | Thu, Aug 20 | American Airlines
        US$253 US$285
        11% off
        11% off
        US$285 US$253
      • CHA 17:52
        2h 22m
        Nonstop
        ORD 19:14
        Chattanooga - Chicago | Fri, Aug 14 | American Airlines
        ORD 20:56
        1h 50m
        Nonstop
        CHA 23:46
        Chicago - Chattanooga | Fri, Aug 21 | American Airlines
        US$253 US$285
        11% off
        11% off
        US$285 US$253
      • CHA 17:52
        2h 22m
        Nonstop
        ORD 19:14
        Chattanooga - Chicago | Fri, Aug 21 | American Airlines
        ORD 14:34
        1h 48m
        Nonstop
        CHA 17:22
        Chicago - Chattanooga | Sun, Aug 23 | American Airlines
        US$253 US$285
        11% off
        11% off
        US$285 US$253
      • CHA 17:52
        2h 22m
        Nonstop
        ORD 19:14
        Chattanooga - Chicago | Sun, Aug 16 | American Airlines
        ORD 20:56
        1h 50m
        Nonstop
        CHA 23:46
        Chicago - Chattanooga | Sun, Aug 23 | American Airlines
        US$253
        11% off
        US$285 US$253
      • CHA 07:52
        2h 13m
        Nonstop
        ORD 09:05
        Chattanooga - Chicago | Mon, Aug 17 | American Airlines
        ORD 14:34
        1h 48m
        Nonstop
        CHA 17:22
        Chicago - Chattanooga | Mon, Aug 24 | American Airlines
        US$253
        11% off
        US$285 US$253
      • CHA 06:00
        4h 17m
        1 stop
        MDW 09:17
        Chattanooga - Chicago | Thu, Aug 13 | Delta Air Lines
        ORD 06:40
        6h 17m
        1 stop
        CHA 13:57
        Chicago - Chattanooga | Thu, Aug 20 | Delta Air Lines
        US$251
        12% off
        US$285 US$251
      • CHA 15:04
        6h 26m
        1 stop
        ORD 20:30
        Chattanooga - Chicago | Fri, Aug 14 | Delta Air Lines
        ORD 08:05
        4h 52m
        1 stop
        CHA 13:57
        Chicago - Chattanooga | Fri, Aug 21 | Delta Air Lines
        US$251
        12% off
        US$285 US$251
      • CHA 20:06
        4h 51m
        1 stop
        ORD 23:57
        Chattanooga - Chicago | Mon, Aug 17 | Delta Air Lines
        ORD 13:59
        7h 11m
        1 stop
        CHA 22:10
        Chicago - Chattanooga | Mon, Aug 24 | Delta Air Lines
        US$251
        12% off
        US$285 US$251
      • CHA 18:50
        4h 46m
        1 stop
        MDW 22:36
        Chattanooga - Chicago | Wed, Aug 19 | Delta Air Lines
        ORD 05:30
        5h 56m
        1 stop
        CHA 12:26
        Chicago - Chattanooga | Wed, Aug 26 | Delta Air Lines
        US$251
        12% off
        US$285 US$251
      • CHA 06:00
        5h 37m
        1 stop
        ORD 10:37
        Chattanooga - Chicago | Sun, Jul 26 | Delta Air Lines
        ORD 06:00
        5h 24m
        1 stop
        CHA 12:24
        Chicago - Chattanooga | Sat, Aug 1 | Delta Air Lines
        US$253
        11% off
        US$285 US$253
      • CHA 13:00
        17h 25m
        1 stop
        CHI 14:00
        Chattanooga - Chicago | Sun, Jul 19 | Normal Airline
        CHI 15:00
        6h
        Nonstop
        CHA 16:00
        Chicago - Chattanooga | Tue, Jul 21 | Normal Airline
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      • Cheapest nonstop
        CHA 06:15
        2h 5m
        Nonstop
        ORD 07:20
        Chattanooga - Chicago | Wed, Aug 12 | United Airlines
        US$246 US$283
        13% off
        13% off
        US$283 US$246
      • CHA 06:00
        13h 3m
        1 stop
        ORD 18:03
        Chattanooga - Chicago | Wed, Aug 26 | Delta Air Lines
        US$234 US$283
        17% off
        17% off
        US$283 US$234
      • CHA 07:03
        16h 33m
        1 stop
        MDW 22:36
        Chattanooga - Chicago | Sat, Aug 15 | Delta Air Lines
        US$240 US$283
        15% off
        15% off
        US$283 US$240
      • CHA 16:48
        15h 41m
        1 stop
        ORD 07:29
        Chattanooga - Chicago | Mon, Aug 10 | Delta Air Lines
        US$240
        15% off
        US$283 US$240
      • CHA 14:44
        5h 5m
        1 stop
        ORD 18:49
        Chattanooga - Chicago | Sun, Aug 16 | Delta Air Lines
        US$247
        13% off
        US$283 US$247
      • CHA 15:05
        4h 24m
        1 stop
        ORD 18:29
        Chattanooga - Chicago | Thu, Jul 23 | Delta Air Lines
        US$250
        12% off
        US$283 US$250
      • CHA 05:35
        5h 24m
        1 stop
        MDW 09:59
        Chattanooga - Chicago | Sun, Aug 23 | Delta Air Lines
        US$250
        12% off
        US$283 US$250
      • CHA 08:21
        4h 30m
        1 stop
        MDW 11:51
        Chattanooga - Chicago | Fri, Aug 7 | Delta Air Lines
        US$250
        12% off
        US$283 US$250
      • CHA 06:00
        4h 13m
        1 stop
        MDW 09:13
        Chattanooga - Chicago | Sun, Jul 26 | Delta Air Lines
        US$251
        11% off
        US$283 US$251
      • CHA 17:55
        5h 20m
        1 stop
        MDW 22:15
        Chattanooga - Chicago | Sat, Jul 18 | Delta Air Lines
        US$251
        11% off
        US$283 US$251
      • CHA 13:00
        17h 25m
        1 stop
        CHI 14:00
        Chattanooga - Chicago | Sun, Jul 19 | Normal Airline
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Cheapest airlines flights from Chattanooga to Chicago

You can choose from 1 airlines that fly from Chattanooga to Chicago, including Delta Air Lines, United Airlines has lowest fares on this route.
Delta Air Lines logo Delta Air Lines
Airlines are determined based on actual purchased flight tickets from Chattanooga to Chicago according to previous 12 months data from Trip.com.

Chattanooga to Chicago Flight Details

The distance between Chattanooga and Chicago is about 789.7 km. The average flying time from Chattanooga to Chicago is around 2 hours 5 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 priceUS$234
Cheapest return ticket priceUS$251
Cheapest monthOctober
Peak season for travelJuly
Flight distance789.7 km
Average flight time2 hours 5 minutes
Popular airlineDelta Air Lines
Flight statistics for the Chattanooga–Chicago route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from Chattanooga to Chicago (CHA-CHI)?

    Based on Trip.com data, Delta Air Lines offers one-way fares as low as US$234 on Cheapest nonstop routes (e.g. CHA to ORD on Wed, Aug 26), while Delta Air Lines offers Cheapest nonstop round-trips from US$251 departing on Thu, Aug 13 and returning on Thu, Aug 20.
  • At the moment, several airlines serve connecting flights from Chattanooga to Chicago, including: Delta Air Lines Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.
  • It takes about 2 hours 5 minutes to fly from Chattanooga to Chicago.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Chattanooga to Chicago 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.
  • To find best deals on flights from Chattanooga to Chicago, 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 Wed, Aug 26, with one-way flights priced at just US$234.
    · 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 Chicago travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Chattanooga to Chicago is October, when demand for travel is lower.
  • After crunching the numbers on our July flight calendar, it's currently cheapest to fly from Chattanooga to Chicago on July 23, 2026 with Delta Air Lines, with prices starting at US$250.
  • You can land at any one of the following hubs in Chicago, with Chattanooga Metropolitan Airport to O'Hare International Airport (CHA-ORD) is by far the most common option on this route: Chicago Midway International Airport (MDW) O'Hare International Airport (ORD) Chicago Rockford International Airport (RFD).
  • The time difference between Chicago and Chattanooga is 1h.
  • 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.

Trip.com Airline Insights on Flights from Chattanooga to Chicago

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

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

Based on Trip.com’s data from the past 12 months, American Airlines provides the lowest-priced direct flights from Chattanooga to Chicago, with fares starting at US$320.

US$300
US$320
US$341
US$361
US$381
American Airlines
US$320
American Airlines
Delta Air Lines
US$335
Delta Air Lines
United Airlines
US$381
United Airlines

Which airline operates the most flights from Chattanooga to Chicago?

Total flights from Chattanooga to Chicago 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 Chattanooga to Chicago, with 30 flights per week.

0
2
16
30
United Airlines
30
United Airlines
American Airlines
8
American Airlines
Qatar Airways
2
Qatar Airways

How many flights fly from Chattanooga to Chicago daily?

The data is based on the flight numbers for each day of the week from Chattanooga to Chicago 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 Chattanooga to Chicago is the highest on Friday and the lowest on Wednesday/Thursday.

26
23
20
17
Highest
21
Mon
24
Tue
20
Wed
20
Thu
26
Fri
24
Sat
24
Sun

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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.