$102 Find Cheap Flights from Chicago O'Hare Airport to Chattanooga - Compare and Save

These are the earliest and latest flight times available from Chicago O'Hare Intl Airport to Chattanooga:

• Earliest: departs at 6:55 am and lands at 8:49 am
• Latest: departs at 11:55 pm and lands at 1:49 am.

The flight takes about 1h 54m.

Two cabin classes are available on flights from Chicago O'Hare Intl Airport to Chattanooga:

• Economy Class
• First Class

A nonstop flight from Chicago O'Hare Intl Airport to Chattanooga takes 1h 54m, covering 501 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Round-trip flights from Chicago O'Hare Intl Airport to Chattanooga range from $250 to $388, with an average of $306 over the past 12 months. Anything below $250 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 40% above the $306 route average. Book 26 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $238 round-trip via Detroit Metropolitan Wayne County (DTW), compared to $304 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Canadair (Bombardier) Regional Jet CRJ-550 family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Embraer 170 variants.

Morning is the busiest departure period on Chicago O'Hare Intl Airport to Chattanooga flights, with 34% of flights leaving in that window. Afternoon departures account for 33%, evening flights for 33%, and night flights for 0%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $285 to $1,900. That means the highest observed fare was about 7x higher than the lowest one.

American Airlines is the only airline on the Chicago O'Hare Intl Airport to Chattanooga route offering in-flight Wi-Fi. Pricing depends on fare class.

One-way fares from Chicago O'Hare Intl Airport to Chattanooga are currently lower than usual. Average one-way flight prices are about $203, which is 35% below the typical average for this route.

Chattanooga Lovell Field Airport (CHA) hosts 5 major car rental companies, with daily rates starting from around $30 for economy cars. Top options include:

• Budget
• Alamo
• Thrifty
• Dollar
• Hertz

Flights from Chicago O'Hare Intl Airport to Chattanooga usually depart from Chicago O'Hare Intl (ORD) and arrive at Chattanooga Lovell Field (CHA).

One-stop flights from Chicago O'Hare Intl Airport to Chattanooga most commonly connect through:

• Atlanta Hartsfield-Jackson (ATL) - 70% of one-stop connections
• Detroit Metropolitan Wayne County (DTW) - 20% of one-stop connections
• Charlotte Douglas (CLT) - 10% of one-stop connections

Yes. Flexible dates can save you up to 43% on flights from Chicago O'Hare Intl Airport to Chattanooga. Friday is the cheapest departure day at $280 round-trip on average, while Monday is the most expensive at $487, a difference of $207.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

2 airlines operate flights between Chicago O'Hare Intl Airport and Chattanooga. The airlines offering nonstop flights on this route include:

• United Airlines
• American Airlines

Flying via Atlanta Hartsfield-Jackson (ATL) gives the shortest average 1-stop total travel time at 4h 33m, compared with 4h 52m via Charlotte Douglas (CLT) and 5h 23m via Detroit Metropolitan Wayne County (DTW).

Chattanooga is 1 hour ahead of Chicago O'Hare Intl Airport (Eastern Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Among airlines operating Chicago O'Hare Intl Airport to Chattanooga flights:

• United Airlines: offers extra legroom; offers free seat selection
• American Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in Economy Class
• American Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.