$73 Find Cheap Flights from Louisiana to Illinois - Compare and Save

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Louisiana to Illinois.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Louisiana to Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Louisiana to Illinois with an airline and back with another airline.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Louisiana to Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Louisiana and Illinois are connected by different airlines. The airlines that fly that route the most regularly are United Airlines (31 flights per week), Air Canada (27 flights per week), and Copa Airlines (27 flights per week).

There are 12 airports in Illinois. The busiest airport is Chicago O'Hare Airport (ORD), with 91% of all flights arriving there.

Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in Illinois is Chicago O'Hare Intl Airport (ORD), with an average flight price of $233.

Based on KAYAK data, the cheapest day to fly to Illinois is Friday where round-trip tickets can be as cheap as $382. On the other hand, the most expensive day to fly is Tuesday, where round-trip prices are $621 on average.

The cheapest time of day to fly to Illinois is generally at night, when round-trip flights cost $310 on average. On average, there is no price difference when choosing to fly in the morning or the evening on this flight route. The most expensive time of day to fly to Illinois is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $586.

The cheapest ticket to Illinois from Louisiana found in the last 5 days was to Chicago Midway Airport, at $242 round-trip. The most popular route is New Orleans (MSY) to Chicago Midway Airport (MDW) and the cheapest round-trip airline ticket found on this route in the last 5 days was $242.

The cheapest month for flights from Louisiana to Illinois is September, when tickets cost $28 (return) on average. On the other hand, the most expensive months are November and May, when the average cost of round-trip tickets is $641 and $604 respectively.

To get a below average price on the flight from Louisiana to Illinois, you should book around 2 weeks before departure, which saves you about 32% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 18 weeks before departure.

From Louisiana, there are direct flights to Illinois from 1 city. This city is New Orleans and there are 316 direct flights each week.

There are around 46 direct flights from within Louisiana to Illinois every day. Most flights (59%) depart in the morning.

Each week there are around 316 direct flights from within Louisiana to Illinois. The most common day for departures is Sunday, with 15% of flights taking off on this day.

An average nonstop flight from Louisiana to Illinois takes 6h 45m, covering a distance of 723 miles. The shortest route is New Orleans (MSY) to St. Louis (STL) with an average flight time of 1h 45m.

There are not any long-haul (6-12 hour flight duration) or medium-haul (3-6 hour flight duration) flights to Illinois. Instead, there are 316 short-haul flights (up to 3 hour flight duration), with the most arriving from New Orleans.

Based on KAYAK flight searches, the most popular destination is St. Louis (63% of total searches to Illinois). The next most popular destinations are Peoria (17%) and Moline (15%). Searches for flights to Paducah (2%), to Bloomington (2%) and to Springfield (1%) are also popular.