$160+ Cheap flights from Chattanooga (CHA) to O'Hare Intl (ORD)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/25. Fares are subject to change and may not be available on all flights or dates of travel.
CHA — ORD
Nov 29 — Dec 61
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Chattanooga to O'Hare Intl 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 Chattanooga Lovell Field to Chicago O'Hare Intl are usually found in February or January, booked 52 days in advance, depart on a Friday or Thursday and return on a Wednesday
Cheap flight deals from Chattanooga to O'Hare Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Chattanooga to O'Hare IntlExplore the most affordable flight options available from Chattanooga to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from Chattanooga to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 12/38:01 pm -
1 stop18h 55m
Sun 12/68:15 am -
2 stops9h 56m
Deal found 10/29![Multiple Airlines logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 10/298:59 am -
1 stop7h 38m
Sat 10/318:00 am -
1 stop24h 39m
Deal found 10/26![Multiple Airlines logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/242:38 pm -
1 stop9h 56m
Fri 11/277:49 am -
2 stops29h 54m
Deal found 10/28![Multiple Airlines logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 12/1712:15 pm -
1 stop29h 44m
Wed 12/235:58 am -
2 stops31h 28m
Deal found 10/30![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/197:04 pm -
2 stops21h 53m
Mon 11/234:00 pm -
1 stop20h 48m
Deal found 10/29![Multiple Airlines logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 12/38:01 pm -
1 stop18h 55m
Thu 12/106:07 am -
1 stop12h 04m
Deal found 10/27![Multiple Airlines logo]()
$316
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Fri 11/209:49 am -
Nonstop2h 16m
Sun 11/229:06 pm -
Nonstop1h 49m
Deal found 10/28![American Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/109:55 am -
Nonstop2h 10m
Thu 12/171:20 pm -
Nonstop1h 55m
Deal found 10/26![American Airlines logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 12/243:16 pm -
1 stop26h 43m
Wed 12/305:05 pm -
2 stops20h 21m
Deal found 10/26![Multiple Airlines logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Sun 12/203:16 pm -
1 stop26h 43m
Wed 12/309:07 am -
1 stop28h 19m
Deal found 10/26![Multiple Airlines logo]()
$325
Best flights from Chattanooga to O'Hare IntlDiscover carefully curated flight deals from Chattanooga to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Chattanooga to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This United Airlines deal was found by Cheapflights users on 10/25. 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 12/195:00 am -
Nonstop2h 08m
Tue 1/56:55 am -
Nonstop1h 55m
Deal found 10/25![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 10/26. 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.
Thu 12/105:35 am -
1 stop4h 14m
Thu 12/178:39 am -
1 stop4h 32m
Deal found 10/26![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 10/29. 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 1/2110:47 am -
Nonstop2h 13m
Sat 1/235:45 pm -
Nonstop1h 55m
Deal found 10/29![United Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 10/25. 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 11/126:50 am -
Nonstop2h 10m
Mon 11/166:00 pm -
Nonstop1h 53m
Deal found 10/25![United Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 10/26. 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.
Fri 11/133:00 pm -
1 stop4h 30m
Sun 11/158:29 am -
1 stop4h 47m
Deal found 10/26![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/305:00 am -
Nonstop2h 08m
Sun 1/35:00 am -
1 stop5h 40m
Deal found 10/29![United Airlines logo]()
$401
This United Airlines deal was found by Cheapflights users on 10/26. 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 1/236:30 am -
Nonstop2h 08m
Mon 1/257:45 pm -
Nonstop2h 00m
Deal found 10/26![United Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/206:37 pm -
1 stop6h 24m
Fri 11/276:00 pm -
Nonstop1h 53m
Deal found 10/29![United Airlines logo]()
$464
This United Airlines deal was found by Cheapflights users on 10/26. 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 12/31:40 pm -
2 stops17h 49m
Sun 12/69:45 pm -
2 stops14h 11m
Deal found 10/26![United Airlines logo]()
$631
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/206:37 pm -
1 stop6h 24m
Sun 11/229:44 pm -
2 stops24h 44m
Deal found 10/26![United Airlines logo]()
$659
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/296:45 am -
Nonstop2h 10m
Thu 12/39:00 am -
1 stop8h 10m
Deal found 10/27![United Airlines logo]()
$662
Last-minute flights from Chattanooga to O'Hare IntlDiscover last-minute flight deals from Chattanooga to O'Hare Intl. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Chattanooga to O'Hare Intl. Data last updated October 30, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 10/298:59 am -
1 stop7h 38m
Sat 10/318:00 am -
1 stop24h 39m
Deal found 10/26![Multiple Airlines logo]()
$302
This United Airlines deal was found by Cheapflights users on 10/25. 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 11/126:50 am -
Nonstop2h 10m
Mon 11/166:00 pm -
Nonstop1h 53m
Deal found 10/25![United Airlines logo]()
$334
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Fri 11/135:05 pm -
1 stop6h 27m
Thu 11/199:06 pm -
Nonstop1h 49m
Deal found 10/28![American Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/197:04 pm -
2 stops21h 53m
Mon 11/234:00 pm -
1 stop20h 48m
Deal found 10/29![Multiple Airlines logo]()
$314
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Fri 11/209:49 am -
Nonstop2h 16m
Sun 11/229:06 pm -
Nonstop1h 49m
Deal found 10/28![American Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 10/29. 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.
Fri 11/205:35 am -
1 stop4h 06m
Mon 11/235:30 am -
1 stop4h 50m
Deal found 10/29![Delta logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/242:38 pm -
1 stop9h 56m
Fri 11/277:49 am -
2 stops29h 54m
Deal found 10/28![Multiple Airlines logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/309:04 pm -
2 stops17h 47m
Thu 12/36:10 am -
1 stop12h 01m
Deal found 10/29![Multiple Airlines logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/309:04 pm -
2 stops20h 06m
Thu 12/106:07 am -
1 stop12h 04m
Deal found 10/27![Multiple Airlines logo]()
$337
One-way flights from Chattanooga to O'Hare IntlSearch for one-way flight options from Chattanooga to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from Chattanooga to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Fri 12/254:45 pm -
Nonstop2h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![American Airlines logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/510:09 am -
1 stop30h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Sun 11/89:59 am -
1 stop30h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$224
This American Airlines deal was found by Cheapflights users on 10/25. 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.
Sun 1/34:45 pm -
Nonstop2h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![American Airlines logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/23:07 pm -
1 stop27h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$249
Find flight deals from Chattanooga to O'Hare Intl
Discover tips and strategies to find the most affordable flight options for your journey from Chattanooga (CHA) to O'Hare Intl (ORD). 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 October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $299 (Kiwi.com) |
One-way from | $160 (American Airlines) |
Popular in | October |
Cheapest in | February |
Average price | $362 |
Good round-trip deal | $386 or less |
Good one-way deal | $398 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Chattanooga to O'Hare Intl 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 October 30, 2026.
Use the filters below to find and compare flights from Chattanooga to Chicago O'Hare Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
ChattanoogaChicago
CHA Chattanooga Lovell Field - ORD Chicago O'Hare Intl
CHAORD
Chattanooga Lovell Field
Sat 3/20
6:30 am-7:39 am
Nonstop2h 09m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$279
ChattanoogaChicago
CHA Chattanooga Lovell Field - ORD Chicago O'Hare Intl
CHAORD
Chattanooga Lovell Field
Sun 11/29
9:50 pm-11:03 pm
Nonstop2h 13m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$279
ChattanoogaChicago
CHA Chattanooga Lovell Field - ORD Chicago O'Hare Intl
CHAORD
Chattanooga Lovell Field
Tue 2/16
5:45 pm-10:20 pm
1 stop5h 35m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$289
ChattanoogaChicago
CHA Chattanooga Lovell Field - ORD Chicago O'Hare Intl
CHAORD
Chattanooga Lovell Field
Thu 12/3
9:00 am-2:30 pm
1 stop6h 30m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$289
ChattanoogaChicago
CHA Chattanooga Lovell Field - ORD Chicago O'Hare Intl
CHAORD
Chattanooga Lovell Field
Sat 12/19
5:00 am-6:08 am
Nonstop2h 08m
Chicago O'Hare Intl
Tue 1/5
6:55 am-9:50 am
Nonstop1h 55m
$319
ChattanoogaChicago
CHA Chattanooga Lovell Field - ORD Chicago O'Hare Intl
CHAORD
Chattanooga Lovell Field
Thu 1/21
10:47 am-12:00 pm
Nonstop2h 13m
Chicago O'Hare Intl
Sat 1/23
5:45 pm-8:40 pm
Nonstop1h 55m
$319
ChattanoogaChicago
CHA Chattanooga Lovell Field - ORD Chicago O'Hare Intl
CHAORD
Chattanooga Lovell Field
Sun 11/29
3:18 pm-1:51 pm
3 stops47h 33m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$325
ChattanoogaChicago
CHA Chattanooga Lovell Field - ORD Chicago O'Hare Intl
CHAORD
Chattanooga Lovell Field
Thu 11/12
6:50 am-8:00 am
Nonstop2h 10m
Chicago O'Hare Intl
Mon 11/16
6:00 pm-8:53 pm
Nonstop1h 53m
$334
ChattanoogaChicago
CHA Chattanooga Lovell Field - ORD Chicago O'Hare Intl
CHAORD
Chattanooga Lovell Field
Thu 12/10
5:35 am-8:49 am
1 stop4h 14m
Chicago O'Hare Intl
Thu 12/17
8:39 am-2:11 pm
1 stop4h 32m
$339
ChattanoogaChicago
CHA Chattanooga Lovell Field - ORD Chicago O'Hare Intl
CHAORD
Chattanooga Lovell Field
Tue 11/10
4:05 pm-8:49 pm
1 stop5h 44m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$349
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Chattanooga to O'Hare Intl
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 Chattanooga to O'Hare Intl in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chattanooga-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chattanooga-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chattanooga-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chattanooga-Chicago O'Hare Intl Airport 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 Chattanooga-Chicago O'Hare Intl Airport 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 Chattanooga to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Chattanooga with our price prediction graph.
CHA-ORD
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 Chattanooga to Chicago O'Hare Intl Airport
How far ahead should I book a flight from Chattanooga to Chicago O'Hare Intl Airport?
To ensure you get the cheapest price possible for a flight from Chattanooga to Chicago O'Hare Intl Airport, you should look to book at least 51 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Chattanooga to Chicago O'Hare Intl Airport?
Currently, February is the cheapest month in which you can book a flight from Chattanooga to Chicago O'Hare Intl Airport (average of $219). Flying from Chattanooga to Chicago O'Hare Intl Airport in October is currently the most expensive (average of $362). 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 CHA to ORD?
Find hourly flight availability from Chattanooga to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2026.
It’s typically best to fly out from Chattanooga to Chicago O'Hare Intl Airport in the afternoon. Doing so could potentially save you 18% on the flight price compared to flying at noon, which is usually more expensive.
What is the cheapest day to fly from Chattanooga to Chicago O'Hare Intl Airport?
Use this chart to determine the cheapest time to fly round-trip from Chattanooga to O'Hare Intl. Price data was last updated on October 24, 2026.
Travelers seeking maximum savings on their Chattanooga to Chicago O'Hare Intl Airport flight should consider departing on Friday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing O'Hare Intl
Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated October 30, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from Chattanooga to Chicago O'Hare Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Related info for your journey
Find useful and relevant information for your journey from Chattanooga to O'Hare Intl. 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 Chicago O'Hare Intl Airport?
Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsBenton Harbor
Rosemont
Naperville
Lake Geneva
Des Plaines
Glenview
Schaumburg
Oak Brook
Aurora
Oakbrook Terrace
Delavan
Beloit
Libertyville
Rockford
Hoffman Estates
Gurnee
Orland Park
South Holland
Elgin
Racine
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
O'Hare Intl flight routes
Other flight options
Other flights from Chattanooga
Popular flights
Alternative routes for Chattanooga to O'Hare Intl
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to O'Hare Intl by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Chattanooga to O'Hare Intl by cabin class
Find flights from Chattanooga to O'Hare Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to O'Hare Intl
Explore flights to O'Hare Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 30, 2026.
Chattanooga and O'Hare Intl flights
Browse other Chattanooga and O'Hare Intl flight options. Last updated on October 30, 2026.
Other flights from Chattanooga
Browse through other flights departing from Chattanooga. Flights are based on user searches made on Cheapflights and were last updated on October 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Chattanooga to O'Hare Intl
Discover the top 3 airlines that operate flights from Chattanooga to O'Hare Intl. 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 October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$189 | Average$283 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$208 | Average$318 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$208 | Average$334 | FlexibilityNo cancel fee | On-time69% |