Cheap flights from Illinois to Las Vegas from $34
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Las Vegas departing on 5/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Illinois to Las Vegas
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Allegiant Air flights from Illinois to Las Vegas
Our best Allegiant Air deals on Illinois to Las Vegas flight tickets
American Airlines flights from Illinois to Las Vegas
Our best American Airlines deals on Illinois to Las Vegas flight tickets
See travel insights to Las Vegas from
How to get the cheapest flight ticket from Illinois to Las Vegas
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 Las Vegas?
The month of September is, on average, the cheapest month to fly to Las Vegas from Illinois, with most prices found around $212. The month of August is another great option to travel to Las Vegas, with average flight prices from Illinois averaging around $217.
What is the cheapest day to depart on your flight to Las Vegas?
Our data shows that Tuesday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $218. Flights from Illinois to Las Vegas on a Thursday will generally be more expensive and average around $280. 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 Las Vegas?
The cheapest time of day to fly to Las Vegas is in the evening when flights can be purchased for as low as $210. Flights to Las Vegas are more costly in the morning, with an average ticket price of $307. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Illinois to Las Vegas Harry Reid Intl flight route?
Fly from Chicago Greater Rockford to Las Vegas Harry Reid Intl for the best Illinois - Las Vegas Harry Reid Intl flight prices
How far in advance should I book a flight to Las Vegas?
You are more likely to see cheaper flights to Las Vegas from Illinois when booking 4 weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $249 when searching 4 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Illinois for as low as $207 on momondo.
What cabin class options are available on Illinois to Las Vegas Harry Reid Intl flights?
There are 4 cabin classes available to choose from on Illinois to Las Vegas Harry Reid Intl 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 Illinois to Las Vegas Harry Reid Intl?
Spirit Airlines, Frontier, and Allegiant Air are the most popular carriers operating from Illinois to Las Vegas Harry Reid Intl
What airlines fly to Las Vegas?
Spirit Airlines, American Airlines and Frontier are the top three most popular airlines that fly to Las Vegas from Illinois according to our data. Spirit Airlines is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Las Vegas. Keep in mind that there are 9 different airlines that fly to Las Vegas on a routine basis, so you have a few additional options to choose from.
How many flights depart from Illinois to Las Vegas on average per day?
As of April 2025, there are 46 flights per day flying from Illinois to Las Vegas. The most common time of day flights depart is 6:00PM, with 37% of flights taking off in the evening.
How many flights depart from Illinois to Las Vegas on average per week?
322 flights are operational weekly from Illinois to Las Vegas as of April 2025. The most popular departure day for this route is Thu, with 22% of flights per week taking off on this day.
Cheap Illinois to Las Vegas flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to Las Vegas
When did momondo last update prices for flights from Illinois to Las Vegas Harry Reid Intl Airport?
Prices for flights from Illinois to Las Vegas Harry Reid Intl Airport were last updated today.
How many operators does momondo search for flights from Illinois to Las Vegas Harry Reid Intl Airport?
As of April 2025, there are 9 operators available to choose from for flights from Illinois to Las Vegas Harry Reid Intl Airport.
How old do you have to be to fly from Illinois to Las Vegas Harry Reid Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Las Vegas Harry Reid Intl Airport.
What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?
The travel and health documents you'll need for your trip to Las Vegas Harry Reid Intl Airport 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 Las Vegas Harry Reid Intl Airport. 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 Illinois to Las Vegas?
Based on momondo bookings for flights between Illinois and Las Vegas, the leading plane model is Airbus A321neo, making up 20.57% of the total bookings. Other popular models include Airbus A320neo with 18.75%, Boeing 737-800 with 11.51%, and Boeing 737 MAX 8 with 9.63%.
Best airlines flying from Illinois to Las Vegas
Compare and see reviews for airlines that fly from Illinois to Las Vegas with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $52 | Free Cancellation | Rating 6.0 3,281 reviews | |||
| PriceFrom $81 | Free Cancellation | Rating 6.3 7,926 reviews | |||
| PriceFrom $111 | Free Cancellation | Rating 7.3 734 reviews | |||
| PriceFrom $132 | Free Cancellation | Rating 8.0 7,916 reviews | |||
| PriceFrom $149 | Free Cancellation | Rating 7.4 8,667 reviews | |||
| PriceFrom $159 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $190 | Free Cancellation | Rating 8.0 4,280 reviews | |||
| PriceFrom $193 | Free Cancellation | Rating 6.9 349 reviews | |||
| PriceFrom $240 | Free Cancellation | Rating 8.0 9,887 reviews |
Traveling to a place near Las Vegas?
Book flights to Las Vegas if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Illinois to Las Vegas?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to Las Vegas. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Illinois to Las Vegas with flexible booking policies on momondo?
momondo does allow users to show only those flights to Las Vegas from Illinois which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Illinois to Las Vegas?
Once all potential Illinois to Las Vegas flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Illinois to Las Vegas right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Illinois to Las Vegas now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Las Vegas and let you know when they change.