A spacious airport terminal with high ceilings, check-in counters, and a Starbucks coffee shop.

$184 Cheap Flights from Chattanooga (CHA) to Chicago (ORD)

View $184 flight on Fri, Jan 1, 2027Opens in a new window

Popular airlines from Chattanooga Metropolitan Airport (CHA) to Chicago O'Hare Intl. Airport (ORD)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Chattanooga to Chicago (CHA-ORD)

Prices were available within the past 7 days and start at $184 for one-way flights and $279 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Dec 10 - Mon, Dec 14
CHA
Chattanooga
ORD
Chicago
$279 Roundtrip, just found
$279
Roundtrip
just found
Select American Airlines flight, departing Thu, Dec 10 from Chattanooga to Chicago, returning Mon, Dec 14, priced at $279 just found
American Airlines
Thu, Dec 10 - Mon, Dec 14
CHA
Chattanooga
ORD
Chicago
$289 Roundtrip, just found
$289
Roundtrip
just found
Select American Airlines flight, departing Thu, Dec 10 from Chattanooga to Chicago, returning Mon, Dec 14, priced at $289 just found
American Airlines
Thu, Dec 3 - Sun, Dec 6
CHA
Chattanooga
ORD
Chicago
$294 Roundtrip, found 15 hours ago
$294
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Thu, Dec 3 from Chattanooga to Chicago, returning Sun, Dec 6, priced at $294 found 15 hours ago
United
Fri, Oct 16 - Mon, Oct 19
CHA
Chattanooga
ORD
Chicago
$296 Roundtrip, found 17 hours ago
$296
Roundtrip
found 17 hours ago
Select United flight, departing Fri, Oct 16 from Chattanooga to Chicago, returning Mon, Oct 19, priced at $296 found 17 hours ago
Delta
Thu, Dec 10 - Mon, Dec 14
CHA
Chattanooga
ORD
Chicago
$299 Roundtrip, just found
$299
Roundtrip
just found
Select Delta flight, departing Thu, Dec 10 from Chattanooga to Chicago, returning Mon, Dec 14, priced at $299 just found
United
Thu, May 27 - Sun, May 30
CHA
Chattanooga
ORD
Chicago
$301 Roundtrip, found 3 hours ago
$301
Roundtrip
found 3 hours ago
Select United flight, departing Thu, May 27 from Chattanooga to Chicago, returning Sun, May 30, priced at $301 found 3 hours ago
American Airlines
Sat, Oct 10 - Mon, Oct 12
CHA
Chattanooga
ORD
Chicago
$304 Roundtrip, just found
$304
Roundtrip
just found
Select American Airlines flight, departing Sat, Oct 10 from Chattanooga to Chicago, returning Mon, Oct 12, priced at $304 just found
United
Thu, Oct 1 - Mon, Oct 5
CHA
Chattanooga
ORD
Chicago
$306 Roundtrip, found 22 hours ago
$306
Roundtrip
found 22 hours ago
Select United flight, departing Thu, Oct 1 from Chattanooga to Chicago, returning Mon, Oct 5, priced at $306 found 22 hours ago
American Airlines
Fri, Oct 2 - Sat, Oct 10
CHA
Chattanooga
ORD
Chicago
$309 Roundtrip, found 18 hours ago
$309
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Fri, Oct 2 from Chattanooga to Chicago, returning Sat, Oct 10, priced at $309 found 18 hours ago
United
Sun, Oct 11 - Sat, Nov 28
CHA
Chattanooga
ORD
Chicago
$312 Roundtrip, found 3 hours ago
$312
Roundtrip
found 3 hours ago
Select United flight, departing Sun, Oct 11 from Chattanooga to Chicago, returning Sat, Nov 28, priced at $312 found 3 hours ago

Alternative airports near Chicago

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Midway Intl. MDW. Closest option available. Average driving time to city center is 16 minutes. Flights from $329
MDW
Midway Intl.
Closest
Average driving time to city center16 min
Flights from $329

Find the cheapest month to fly from Chattanooga (CHA) to Chicago (ORD)

April is typically the cheapest month to fly

From $189 - $427 per traveler.

What you need to know for your flight from Chattanooga Metropolitan to O'Hare Intl.

Chattanooga (CHA) to Chicago (ORD) at a glance

Explore a range of flights from Chattanooga (CHA) to Chicago (ORD) along this domestic short-haul route. Whether you're after cheap flights from Chattanooga or prefer a full-service airline, you can evaluate various options to find the itinerary that aligns with your budget and travel schedule. Prepare to discover the iconic sights and vibrant neighborhoods of Chicago as you plan your journey from Chattanooga Metropolitan Airport to O'Hare International Airport.

  • Fastest flight duration: around 2 hours non-stop
  • Route distance: roughly 500 miles (800 km)
  • Flights per week: around 14 flights with multiple daily departures on average
  • Typical fares (one-way): economy tickets often range from $95–$460, depending on seasonality and how far ahead you book

Flights from Chattanooga Metropolitan Airport (CHA) to O'Hare International Airport (ORD)

Based on the latest traveler bookings, here are the top airlines flying from Chattanooga to Chicago, favored for both non-stop and one-stop flights. Popular layover options include Charlotte-Douglas International Airport (CLT) with a layover of about 1 hour, Hartsfield-Jackson Atlanta International Airport (ATL) with approximately 1 hour and 15 minutes, and Detroit Metropolitan Wayne County Airport (DTW) with a layover of around 2 hours and 30 minutes. This variety allows you to balance price, total travel time, and cabin class for the ideal itinerary.

  • United: This full-service airline provides non-stop flights, accounting for around 74% of departures on this route. One-way fares generally fall between $95 and $460, with a total travel time of approximately 2 hours.
  • American Airlines: Offering both non-stop and one-stop options, this full-service carrier represents about 22% of flights on this route. One-way ticket prices typically range from $95 to $470, with non-stop flights taking around 2 hours.
  • Delta: As a full-service airline, Delta provides one-stop service, making up roughly 3% of departures on this route. One-way fares usually vary from $115 to $535, with an in-flight duration of 3 hours and 30 minutes and a total journey time of about 4 hours and 45 minutes, including layover time.

Travelers flying from Chattanooga to Chicago can enhance their experience by upgrading to first class, available through both United and American Airlines for this route.

Best time to fly from Chattanooga (CHA) to Chicago (ORD)

The most popular months for travelers flying from Chattanooga to Chicago are March, April, and October, when peak temperatures in Chicago reach up to 54.9°F in October. If you prefer quieter travel, consider May, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 57°F. For better deals, October usually offers the lowest average one-way fare around $178. Flight availability peaks in October, with approximately 19 flights per week, making it easier to find convenient departure times.

  • Cheapest time to fly: October usually offers good deals with average one-way fare around $178, roughly 17% cheaper than the yearly average.
  • More budget-friendly months to fly: December and November typically offer average one-way fares of around $194.
  • Most flight options: October has the highest number of flights from Chattanooga to Chicago, with approximately 19 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January25.7°F (-3.5°C)Average11$246
February27.0°F (-2.8°C)Average11$220
March37.0°F (2.8°C)Moderately High14$212
April46.0°F (7.8°C)Moderately High14$241
May57.0°F (13.9°C)Moderately Low11$219
June67.3°F (19.6°C)Moderately Low14$250
July73.4°F (23.0°C)Average15$213
August73.0°F (22.8°C)Average14$217
September67.1°F (19.5°C)Moderately Low14$219
October54.9°F (12.7°C)Moderately High19$178
November42.3°F (5.7°C)Average15$195
December33.1°F (0.6°C)Average12$193

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Chattanooga (CHA) to Chicago (ORD)

  • Chattanooga to Chicago (CHA-MDW): Midway International Airport (MDW) is located approximately 16 miles from O'Hare International Airport (ORD). The cost for one-way economy tickets on this route generally falls between $125 and $500, influenced by the time of year and how far in advance you book. Travelers can expect primarily one-stop flights, with common layover points at Hartsfield-Jackson Atlanta International Airport (ATL) and Detroit Metropolitan Wayne County Airport (DTW). Major airlines servicing this route include Delta and United.

How to find the best prices for flights from Chattanooga (CHA) to Chicago (ORD)

Getting some of the best deals on flights from Chattanooga to Chicago is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking 2-8 weeks in advance, which aligns with when most travelers make their reservations. Afternoon departures between 12pm and 6pm not only tend to offer lower prices but are also the most popular flight times. Additionally, flying on Friday provides both affordable rates and is the favored travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at O'Hare International Airport from Chattanooga Metropolitan Airport

Chicago welcomes travelers from Chattanooga with a range of transport options based on price, convenience, and proximity. Here's how to reach Chicago efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Chicago, with private rides that can be arranged in advance.
  • Car rental: Renting a car from O'Hare International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at O'Hare International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From O'Hare International Airport, O'Hare Station, a metro station, is located about 0.1 miles away on foot, while Rosemont Station, a train station, is about 2.2 miles away by car, providing convenient access to public transport options.

Frequently asked questions

How much does a flight from Chattanooga, TN (CHA-Chattanooga Metropolitan) to Chicago, IL (ORD-O'Hare Intl.) cost?
You can find cheap one-way flights from $184 and cheap return flights from $279 Chattanooga, TN (CHA-Chattanooga Metropolitan) to Chicago, IL (ORD-O'Hare Intl.) with Expedia. One-way flights usually range from $213 to $630, and return flights typically cost between $306 and $1150. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Chattanooga, TN (CHA-Chattanooga Metropolitan) to Chicago, IL (ORD-O'Hare Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Chattanooga, TN (CHA-Chattanooga Metropolitan) to Chicago, IL (ORD-O'Hare Intl.)?
The cheapest month to fly from CHA to ORD is December when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Chattanooga, TN (CHA-Chattanooga Metropolitan) to Chicago, IL (ORD-O'Hare Intl.)?
Choose from 2 airlines operating direct flights from CHA to ORD:

  • United operates around 33 direct flights from CHA to ORD every week
  • American Airlines operates around 20 direct flights from CHA to ORD every week

What is the cheapest airline that flies from Chattanooga, TN (CHA-Chattanooga Metropolitan) to Chicago, IL (ORD-O'Hare Intl.)?
United is one of the cheapest airlines offering nonstop flights from Chattanooga Metropolitan (CHA) to O'Hare Intl. (ORD), with round-trip tickets starting from around $400. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Chattanooga, TN (CHA-Chattanooga Metropolitan) to Chicago, IL (ORD-O'Hare Intl.)?
To find a cheap flight from Chattanooga, TN (CHA-Chattanooga Metropolitan) to Chicago, IL (ORD-O'Hare Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Chattanooga, TN (CHA-Chattanooga Metropolitan) to Chicago, IL (ORD-O'Hare Intl.)?
The best airline to fly with from Chattanooga, TN (CHA) to Chicago, IL (ORD) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, American Airlines typically offers the lowest fares. American Airlines also offers the most daily flights from CHA to ORD, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Chattanooga, TN (CHA-Chattanooga Metropolitan) to Chicago, IL (ORD-O'Hare Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Chattanooga, TN (CHA-Chattanooga Metropolitan) to Chicago, IL (ORD-O'Hare Intl.)?
You can find approximately 7 nonstop flights per day from Chattanooga Metropolitan (CHA) to O'Hare Intl. (ORD). For more options, look at flights that include layovers.
What is the earliest flight from Chattanooga, TN (CHA-Chattanooga Metropolitan) to Chicago, IL (ORD-O'Hare Intl.)?
The earliest flight from Chattanooga, TN (CHA-Chattanooga Metropolitan) to Chicago, IL (ORD-O'Hare Intl.) typically departs at around 5:00 AM, operated by American Airlines. This service operates seasonally in March. An early flight can help you maximize your time in Chicago. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Chattanooga, TN (CHA-Chattanooga Metropolitan) to Chicago, IL (ORD-O'Hare Intl.)?
The most popular departure times for flights from Chattanooga, TN (CHA) to Chicago, IL (ORD) are in the early morning, from 6am to 9am. About 32% of passengers prefer this time window. Many major carriers, including American Airlines and Delta, offer flights during this window. This timing works well because it allows you to arrive in Chicago with a full day ahead of you.
How long does it take to fly from Chattanooga, TN (CHA-Chattanooga Metropolitan) to Chicago, IL (ORD-O'Hare Intl.)?
Flying nonstop from CHA to ORD takes around 2 hours 20 minutes, with the route covering approximately 501 miles. Flights with a layover typically take 4 hours longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Chattanooga, TN (CHA-Chattanooga Metropolitan) to Chicago, IL (ORD-O'Hare Intl.)?
First class is available on flights from CHA to ORD. First class cabins are available on:

  • Delta Air Lines
  • American Airlines
  • United Airlines

How much is a business class flight from Chattanooga, TN (CHA-Chattanooga Metropolitan) to Chicago, IL (ORD-O'Hare Intl.)?
A direct, return business class ticket from Chattanooga, TN (CHA) to Chicago, IL (ORD) typically costs between $610 - $820. A non-stop, one-way business class flight is usually around $529 - $779. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Chattanooga, TN (CHA-Chattanooga Metropolitan) to Chicago, IL (ORD-O'Hare Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Chattanooga, TN (CHA-Chattanooga Metropolitan) to Chicago, IL (ORD-O'Hare Intl.) flight with Expedia?
It's easy to earn miles on a Chattanooga, TN (CHA-Chattanooga Metropolitan) to Chicago, IL (ORD-O'Hare Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Chicago from Chattanooga Metropolitan (CHA)?
When traveling from Chattanooga Metropolitan (CHA) to Chicago, you can fly into O'Hare Intl. (ORD) and Midway Intl. (MDW). Some flights may connect through major hubs like Charlotte-Douglas Intl. (CLT), Dallas-Fort Worth Intl. (DFW), Ronald Reagan Washington National (DCA) before reaching Chicago. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Chattanooga, TN (CHA-Chattanooga Metropolitan) to Chicago, IL (ORD-O'Hare Intl.) at the last minute?
Typically, booking a last minute flight from Chattanooga, TN (CHA-Chattanooga Metropolitan) to Chicago, IL (ORD-O'Hare Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Chattanooga, TN (CHA-Chattanooga Metropolitan) to Chicago, IL (ORD-O'Hare Intl.) flight and hotel package?
Securing a Chattanooga, TN (CHA-Chattanooga Metropolitan) to Chicago, IL (ORD-O'Hare Intl.) Chicago Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Chattanooga, TN (CHA-Chattanooga Metropolitan) to Chicago, IL (ORD-O'Hare Intl.)?
If you booked your Chattanooga, TN (CHA-Chattanooga Metropolitan) to Chicago, IL (ORD-O'Hare Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Chattanooga Metropolitan
Destination airport
O'Hare Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$279
Distance
501 mi
Average flight time
1 hour 11 mins

Book with confidence

Chattanooga to Chicago Flights

The cheapest times to fly from Chattanooga to Chicago

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chattanooga to Chicago are during the month of December. You can find some of the cheapest flights from Chattanooga to Chicago with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chattanooga to Chicago

Sunday is one of the best days to book for cheap flights from Chattanooga to Chicago: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Chattanooga to Chicago

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chattanooga to Chicago in 2026. You can also book with separate airlines for your outbound and return journeys, from $184 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chattanooga to Chicago flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Chattanooga to Chicago airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Chattanooga to Chicago Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

Explore a world of travel with Expedia