Cheap flights from Las Vegas to Illinois from $47
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Las Vegas to Illinois departing on 7/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Spirit Airlines flights from Las Vegas to Illinois
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How to get the cheapest flight ticket from Las Vegas to Illinois
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Illinois?
The cheapest month to fly to Illinois from Las Vegas is in September. Flight prices, which tend to average around $132, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $144.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from Las Vegas to Illinois is on a Friday when prices can be found for as low as $272. Flights from Las Vegas to Illinois on a Sunday will generally be more expensive and average around $410. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Illinois?
Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from Las Vegas to Illinois during this time can be as low as $204. Flights at noon are often more expensive with an average ticket price of $673.
What is the cheapest Las Vegas Harry Reid Intl to Illinois flight route?
Fly from Las Vegas Harry Reid Intl to Chicago O'Hare Intl for the best Las Vegas Harry Reid Intl - Illinois flight prices
How far in advance should I book a flight to Illinois?
You are more likely to see cheaper flights to Illinois from Las Vegas when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $237 when searching 6 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Las Vegas for as low as $174 on momondo.
What cabin class options are available on Las Vegas Harry Reid Intl to Illinois flights?
There are 4 cabin classes available to choose from on Las Vegas Harry Reid Intl to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Las Vegas Harry Reid Intl to Illinois?
Spirit Airlines, Allegiant Air, and American Airlines are the most popular carriers operating from Las Vegas Harry Reid Intl to Illinois
What airlines fly to Illinois?
Spirit Airlines, American Airlines and Frontier are the top three most popular airlines that fly to Illinois from Las Vegas according to our data. Spirit Airlines is the first choice among our users, with 29% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 7 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.
How many flights depart from Las Vegas to Illinois on average per day?
As of June 2025, there are 67 flights per day flying from Las Vegas to Illinois. The most common time of day flights depart is 10:00AM, with 52% of flights taking off at noon.
How many flights depart from Las Vegas to Illinois on average per week?
As of June 2025, there are 470 flights per week flying from Las Vegas to Illinois. The most common day of the week flights depart is Sun, with 16% of flights taking off on this day.
Cheap Las Vegas to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Las Vegas to Illinois
When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to Illinois?
Prices for flights from Las Vegas Harry Reid Intl Airport to Illinois are refreshed on a daily basis.
How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to Illinois?
As of June 2025, there are 7 operators available to choose from for flights from Las Vegas Harry Reid Intl Airport to Illinois.
How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to Illinois?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Las Vegas Harry Reid Intl Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Las Vegas to Illinois?
momondo data reveals that the most frequently booked plane model on the route from Las Vegas to Illinois is Airbus A321neo, representing 13.08% of all bookings. The subsequent popular models are Boeing 737-800 at 12.61%, Boeing 737 MAX 8 at 12.05%, and Airbus A320neo at 11.30%.
Best airlines flying from Las Vegas to Illinois
Compare and see reviews for airlines that fly from Las Vegas to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $50 | Free Cancellation | Rating 5.9 3,296 reviews | |||
| PriceFrom $67 | Free Cancellation | Rating 6.3 8,060 reviews | |||
| PriceFrom $113 | Free Cancellation | Rating 7.3 722 reviews | |||
| PriceFrom $118 | Free Cancellation | Rating 8.0 7,963 reviews | |||
| PriceFrom $139 | Free Cancellation | Rating 7.4 8,801 reviews | |||
| PriceFrom $151 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $179 | Free Cancellation | Rating 8.0 4,278 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Las Vegas to Illinois?
Finding the right flight to Illinois from Las Vegas is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Illinois quick and easy, saving you time and money.
Can I find flights from Las Vegas to Illinois with flexible booking policies on momondo?
All flight searches from Las Vegas to Illinois on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Las Vegas to Illinois?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Illinois from Las Vegas.
I’m not ready to book a flight from Las Vegas to Illinois right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Las Vegas to Illinois flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.