$122 Find Cheap Flights from Chattanooga to Chicago O'Hare Airport - Compare and Save

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

• Earliest: departs at 5:00 am and lands at 7:12 am
• Latest: departs at 9:50 pm and lands at 12:02 am.

The flight takes about 2h 12m.

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

• Economy Class
• First Class

A nonstop flight from Chattanooga to Chicago O'Hare Intl Airport takes 2h 12m, 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 Chattanooga to Chicago O'Hare Intl Airport range from $249 to $387, with an average of $298 over the past 12 months. Anything below $249 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 31% above the $298 route average. Book 4 weeks before departure for the lowest fares.

On this route, nonstop flights are cheaper than layover options on average. Nonstop fares average $299 round-trip, compared to $317 via a layover through Detroit Metropolitan Wayne County (DTW).

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 Chattanooga to Chicago O'Hare Intl Airport flights, with 50% of flights leaving in that window. Afternoon departures account for 25%, evening flights for 25%, 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 $255 to $1,883. That means the highest observed fare was about 7x higher than the lowest one.

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

One-way fares from Chattanooga to Chicago O'Hare Intl Airport are currently lower than usual. Average one-way flight prices are about $224, which is 30% below the typical average for this route.

Chicago O'Hare Intl Airport (ORD) hosts 5 major car rental companies, with daily rates averaging $64 for economy cars. Top options include:

• Routes Car & Truck Rentals
• Europcar
• Hertz
• Ace
• Dollar

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

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

• Detroit Metropolitan Wayne County (DTW) - 46% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) - 40% of one-stop connections
• Charlotte Douglas (CLT) - 13% of one-stop connections

Yes. Flexible dates can save you up to 42% on flights from Chattanooga to Chicago O'Hare Intl Airport. Saturday is the cheapest departure day at $274 round-trip on average, while Monday is the most expensive at $471, a difference of $197.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

2 airlines operate flights between Chattanooga and Chicago O'Hare Intl Airport. 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 29m, compared with 5h 01m via Charlotte Douglas (CLT) and 5h 28m via Detroit Metropolitan Wayne County (DTW).

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

Some of the most popular sights in Chicago O'Hare Intl Airport are Magnificent Mile, Grant Park and Soldier Field. These are among the most viewed places in Chicago O'Hare Intl Airport on KAYAK.

Among airlines operating Chattanooga to Chicago O'Hare Intl Airport 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.