$101 Find Cheap Flights from Chattanooga to Illinois - Compare and Save

The cheapest ticket to Illinois from Chattanooga found in the last 5 days was to Chicago, at $249 round-trip. The most popular route is from Chattanooga (CHA) to Chicago O'Hare Intl Airport (ORD), and the cheapest round-trip airline ticket found on this route in the last 5 days was $249.

The cheapest time of day to fly to Illinois is generally in the evening, when round-trip flights cost $376 on average. Morning departures are around 5% more expensive than evening flights, on average. The most expensive time of day to fly to Illinois is generally at night, which is peak travel time and where the average cost of a ticket is $441.

No, with an average price for the route of $330, prices are generally cheapest when you fly direct.

The cheapest month for flights from Chattanooga to Illinois is March, when tickets cost $139 (return) on average. On the other hand, the most expensive months are January and April, when the average cost of round-trip tickets is $189 and $189 respectively.

When flying from Chattanooga to Illinois, you should consider leaving on a Friday and avoid Sundays if you are looking for the best rates. For your return to Chattanooga, you’ll find the best rates on Wednesdays and the most expensive ones on Mondays.

To get a below average price on the flight from Chattanooga to Illinois, you should book around 3 weeks before departure, which saves you about 31% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 6 weeks before departure.

There are 2 airlines that fly nonstop from Chattanooga to Illinois. They are American Airlines and United Airlines. The cheapest airline for this route is American Airlines, with the best round-trip deal found costing $189 and arriving in Chicago O'Hare Intl Airport (ORD). On average, American Airlines offers the best prices for nonstop flights between Chattanooga and Illinois.

Chattanooga and Illinois are connected by different airlines. The airlines that fly that route the most regularly are United Airlines (28 flights per week), American Airlines (7 flights per week), and Qatar Airways (5 flights per week).

The duration of a flight to Illinois depends on your arrival airport. The shortest routes to Illinois from Chattanooga are to Moline, which takes 3h 55m, Peoria, which takes 5h 09m, and Chicago, which takes 7h 48m.

There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

The earliest flight from Chattanooga to Illinois departs at 5:37 am, landing in Chicago at 6:54 am.

If you prefer to fly at night, the latest flight from Chattanooga to Illinois jets off at 7:07 pm and lands in Chicago at 8:12 pm.