Cheap flights from Las Vegas (LAS) to Illinois (IL)

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How to find the cheapest flight from
Las Vegas (LAS) to Illinois

All the information you need to plan the best LAS to ORD flight in 2021: compare Las Vegas to Illinois flight prices with the expected peak season, weather and rainfall in Illinois.
How far in advance should I book a flight from Las Vegas to Illinois?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 20 days in advance, which can save you up to 10% on flights from Las Vegas to Illinois compared to booking the week you need them. Waiting 20 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $137. For sooner than that we have options available in the next 3 days from $157.

When is the cheapest time to fly from Las Vegas to Illinois (LAS - IL)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Las Vegas to Illinois as you normally would.

What is the cheapest month to fly from Las Vegas to Illinois?

Flights from Las Vegas to Illinois lean towards being more expensive in December. Prices are generally better when you fly from Las Vegas to Illinois in April, with the cheapest ticket starting at $33.

Cheap flights from Las Vegas to Illinois in November, December 2021

The best prices found for LAS to Illinois flights for November, December
6 Dec - 15 Dec
$57pp
LAS
Las Vegas McCarran
Frontier
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
Non-Stop
LAS
Las Vegas McCarran
17 Dec - 19 Dec
$59pp
LAS
Las Vegas McCarran
Spirit Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Spirit Airlines
Non-Stop
LAS
Las Vegas McCarran
2 Dec - 6 Dec
$60pp
LAS
Las Vegas McCarran
Frontier
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
Non-Stop
LAS
Las Vegas McCarran

Las Vegas McCarran to Illinois 2022 flight deals

Cheap flights to Illinois from Las Vegas found for next year
6 Dec - 15 Dec
$57pp
LAS
Las Vegas McCarran
Frontier
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
Non-Stop
LAS
Las Vegas McCarran
17 Dec - 19 Dec
$59pp
LAS
Las Vegas McCarran
Spirit Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Spirit Airlines
Non-Stop
LAS
Las Vegas McCarran
2 Dec - 6 Dec
$60pp
LAS
Las Vegas McCarran
Frontier
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
Non-Stop
LAS
Las Vegas McCarran

Non-stop flights to Illinois from Las Vegas

Save time with Las Vegas to Illinois direct flight deals
28 Feb - 5 Mar
$38pp
LAS
Las Vegas McCarran
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
LAS
Las Vegas McCarran
1 Mar - 5 Mar
$39pp
LAS
Las Vegas McCarran
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
LAS
Las Vegas McCarran
4 Feb - 9 Feb
$56pp
LAS
Las Vegas McCarran
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
LAS
Las Vegas McCarran

Last minute flights from Las Vegas to Illinois

Late deals on round-trip flights to Illinois from Las Vegas, departing today and this week
6 Dec - 15 Dec
$57pp
LAS
Las Vegas McCarran
Frontier
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
Non-Stop
LAS
Las Vegas McCarran
3 Dec - 6 Dec
$59pp
LAS
Las Vegas McCarran
Spirit Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Spirit Airlines
Non-Stop
LAS
Las Vegas McCarran
3 Dec - 6 Dec
$61pp
LAS
Las Vegas McCarran
Frontier
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
Non-Stop
LAS
Las Vegas McCarran

One-way flights to Illinois from Las Vegas

The cheapest one-way flights from Las Vegas to Illinois
8:30 pm - 2:06 am
Spirit Airlines
Nonstop
3h 36m
LAS - ORD
Spirit Airlines
$50
CheapOair
10:11 am - 3:28 pm
Allegiant Air
Nonstop
3h 17m
LAS - RFD
Allegiant Air
$51
mytrip.com
7:44 pm - 1:19 am
Frontier
Nonstop
3h 35m
LAS - ORD
Frontier
$52
JustFly

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Las Vegas</span> to <span class="emphasized">Illinois</span> flights.

Flight FAQs

From Las Vegas to Illinois

What airport do you fly from for flights from Las Vegas to Illinois?

For a flight from Las Vegas to Illinois, you will be flying from McCarran. Las Vegas McCarran (LAS) is just 6.2 mi from the center of the city.

Which airlines flying from Las Vegas McCarran to Illinois have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Las Vegas McCarran to Illinois that may be offering flexible cancellation policies are Frontier, Spirit Airlines, and American Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Las Vegas to Illinois for under $100 on Cheapflights?

Yes, there are multiple flights from Las Vegas to Illinois for under $100. The cheapest flight booked recently is on Spirit Airlines for just $39, but on average you can expect to pay $67.

Are there nonstop flights from Las Vegas to Illinois for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Las Vegas to Illinois under $100. A good price for a nonstop flight from Las Vegas to Illinois is less than $68.

Are there last-minute flights available from Las Vegas to Illinois for under $100?

There are currently 20+ open flights from Las Vegas to Illinois within the next 7 days for less than $100.

What days are nonstop flights available from Las Vegas to Illinois?

Nonstop flights are available for this route on the following days: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.

How many flights depart from Las Vegas to Illinois on average per day?

Travelers can expect 34 flights from Las Vegas to Illinois on average per day.
Morning (6am - Noon) - 44% of flight departures
Afternoon (Noon - 6pm) - 32% of flight departures
Evening (6pm - Midnight) - 24% of flight departures

How long is the flight from Las Vegas to Illinois?

Spirit Airlines, Frontier, and Allegiant Air can get you from Las Vegas to Illinois in just under 3h 05m. Your travel time will be generally consistent. There are 1519 mi between Las Vegas and Illinois. Generally, flights for this route are nonstop.

What are the cheapest airlines to fly from Las Vegas to Illinois one-way?

The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $13. However, be on the lookout for offers from Frontier and Allegiant Air, as they are both options that can get you from Las Vegas to Illinois for a low price.

What are the most popular routes from Las Vegas to Illinois?

Most travelers choose Las Vegas McCarran - Chicago O'Hare Intl, Las Vegas McCarran - Chicago Midway or Las Vegas McCarran - Lambert-St Louis when deciding on the best route from Las Vegas to Illinois.

What are the cheapest flights from Las Vegas to Illinois?

While on average a flight from Las Vegas to Illinois is generally $414, our data shows the cheapest flight currently is $16. When looking at the most popular route, (Las Vegas McCarran - Chicago O'Hare Intl), you can expect to pay $38 for that flight.

What are the most popular airlines that fly from Las Vegas to Illinois?

Consider Major Airline, American Airlines or Delta when booking your flight. These represent the most popular airlines when flying from Las Vegas to Illinois.

What are the most reliable airlines from Las Vegas to Illinois?

Consider Gulf Air (88%), Aer Lingus (87%) or Iberia (86%) when booking your flight. These represent the most reliable airlines when flying from Las Vegas to Illinois.

COVID Restrictions

View COVID Travel Restrictions for Illinois (IL)

Do I need a COVID test to fly to Illinois from Las Vegas?

Information is based on travel restrictions for travel to Illinois within the United States

Most visitors from Las Vegas McCarran need to provide a negative COVID-19 test result and/or quarantine to enter Illinois.

COVID-19 testing requirements
Visitors from Las Vegas McCarran must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Illinois.

Quarantine requirements
Visitors from Las Vegas McCarran are not required to quarantine after entering Illinois.

Do I need a test to fly back to Las Vegas from Illinois?

Returning to Las Vegas McCarran from Illinois

COVID-19 testing requirements
Visitors from Illinois must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Las Vegas McCarran.

Quarantine requirements
Visitors from Illinois are not required to quarantine after entering Las Vegas McCarran.

Hide COVID Travel Restrictions for Illinois (IL)

Destination points for flights from Las Vegas to Illinois

Select to see more specific information for flights from Las Vegas to all places in Illinois.

Destination information for Illinois

Things to know before you go - useful duration and weather info for your trip from Las Vegas to Illinois.
Flight duration from LAS to Illinois
3h 33m

Airports servicing Las Vegas

Airports servicing

Bloomington (BMI)
Champaign (CMI)
Decatur (DEC)
Moline (MLI)
Marion (MWA)

Top 6 airlines flying from Las Vegas McCarran to Illinois

The chart below displays the airlines Cheapflights users traveling from Las Vegas to Illinois choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
United Airlines
$48 $375 No cancel fee 69%
American Airlines
$60 $364 No cancel fee 71%
Frontier
$63 $162 No cancel fee 62%
Spirit Airlines
$67 $179 No cancel fee 65%
Delta
$122 $325 No cancel fee N/A
Allegiant Air
$138 $234 No cancel fee 88%
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