$72 Find Cheap Flights from Las Vegas to Illinois - Compare and Save

The cheapest ticket to Illinois from Las Vegas found in the last 5 days was to Moline, at $146 round-trip. The most popular route is from Las Vegas (LAS) to Chicago O'Hare Intl Airport (ORD), and the cheapest round-trip airline ticket found on this route in the last 5 days was $180.

The cheapest time of day to fly to Illinois is generally in the evening, when round-trip flights cost $350 on average. Morning departures are around 20% more expensive than evening flights, on average. 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 $477.

No, with an average price for the route of $311, prices are generally cheapest when you fly direct.

The cheapest month for flights from Las Vegas to Illinois is October, when tickets cost $229 (return) on average. On the other hand, the most expensive months are July and June, when the average cost of round-trip tickets is $365 and $356 respectively.

If you are looking for a flight deal from Las Vegas to Illinois, look for departures on Thursdays and avoid leaving on a Monday, as it's usually the priciest day. When flying back from Illinois, Wednesday is the cheapest day to fly and Thursday is the most expensive.

To get a below average price on the flight from Las Vegas to Illinois, you should book around 2 weeks before departure, which saves you about 27% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

There are 6 airlines that fly nonstop from Las Vegas to Illinois. They are: American Airlines, Frontier, JetBlue, Southwest, United Airlines and Allegiant Air. The cheapest price of all airlines flying this route was found with Frontier at $58 for a round-trip flight to Chicago O'Hare Intl Airport (ORD). On average, Frontier offers the best prices for nonstop flights between Las Vegas and Illinois.

Las Vegas and Illinois are connected by different airlines. The airlines that fly that route the most regularly are Southwest (64 flights per week), American Airlines (58 flights per week), and United Airlines (50 flights per week).

The duration of a flight to Illinois depends on your arrival airport. The shortest routes to Illinois from Las Vegas are to Peoria, which takes 3h 15m, Moline, which takes 3h 18m, and Chicago, which takes 3h 23m.

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 Las Vegas to Illinois departs at 6:32 am, landing in Chicago at 12:30 pm.

If you prefer to fly at night, the latest flight from Las Vegas to Illinois jets off at 11:57 pm and lands in Chicago at 5:43 am.