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 2022: compare Las Vegas to Illinois flight prices with the expected peak season, weather and rainfall in Illinois.
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.

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.

Cheap flights from Las Vegas to Illinois in May, June 2022

The best prices found for LAS to Illinois flights for May, June
27 May - 7 Jun
$133pp
LAS
Las Vegas Harry Reid Intl
Multiple Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Spirit Airlines
Non-Stop
LAS
Las Vegas Harry Reid Intl
28 May - 29 May
$137pp
LAS
Las Vegas Harry Reid Intl
Spirit Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Spirit Airlines
Non-Stop
LAS
Las Vegas Harry Reid Intl
22 Jun - 28 Jun
$139pp
LAS
Las Vegas Harry Reid Intl
Frontier
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
Non-Stop
LAS
Las Vegas Harry Reid Intl

Las Vegas Harry Reid Intl to Illinois 2022 flight deals

Cheap flights to Illinois from Las Vegas found for this year
15 Sep - 19 Sep
$129pp
LAS
Las Vegas Harry Reid Intl
Spirit Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Spirit Airlines
Non-Stop
LAS
Las Vegas Harry Reid Intl
27 May - 7 Jun
$133pp
LAS
Las Vegas Harry Reid Intl
Multiple Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Spirit Airlines
Non-Stop
LAS
Las Vegas Harry Reid Intl
28 May - 29 May
$137pp
LAS
Las Vegas Harry Reid Intl
Spirit Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Spirit Airlines
Non-Stop
LAS
Las Vegas Harry Reid Intl

Non-stop flights to Illinois from Las Vegas

Save time with Las Vegas to Illinois direct flight deals
21 Jul - 31 Jul
$151pp
LAS
Las Vegas Harry Reid Intl
Allegiant Air
Non-Stop
MLI
Moline Quad-City
MLI
Moline Quad-City
Allegiant Air
Non-Stop
LAS
Las Vegas Harry Reid Intl
21 Jul - 28 Jul
$184pp
LAS
Las Vegas Harry Reid Intl
Allegiant Air
Non-Stop
MLI
Moline Quad-City
MLI
Moline Quad-City
Allegiant Air
Non-Stop
LAS
Las Vegas Harry Reid Intl
7 Jun - 13 Jun
$187pp
LAS
Las Vegas Harry Reid Intl
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
LAS
Las Vegas Harry Reid Intl

Last minute flights from Las Vegas to Illinois

Late deals on round-trip flights to Illinois from Las Vegas, departing today and this week
27 May - 7 Jun
$133pp
LAS
Las Vegas Harry Reid Intl
Multiple Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Spirit Airlines
Non-Stop
LAS
Las Vegas Harry Reid Intl
28 May - 29 May
$137pp
LAS
Las Vegas Harry Reid Intl
Spirit Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Spirit Airlines
Non-Stop
LAS
Las Vegas Harry Reid Intl
27 May - 29 May
$152pp
LAS
Las Vegas Harry Reid Intl
Multiple Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Spirit Airlines
Non-Stop
LAS
Las Vegas Harry Reid Intl

One-way flights to Illinois from Las Vegas

The cheapest one-way flights from Las Vegas to Illinois
8:32 pm - 1:59 am
Frontier
Nonstop
3h 27m
LAS - MDW
Frontier
$101
Kiwi.com
2:35 am - 7:56 am
Allegiant Air
Nonstop
3h 21m
LAS - RFD
Allegiant Air
$102
Kiwi.com
8:15 pm - 1:55 am
Spirit Airlines
Nonstop
3h 40m
LAS - ORD
Spirit Airlines
$107
CheapOair

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 Harry Reid Intl. Las Vegas Harry Reid Intl (LAS) is just 6.2 mi from the center of the city.

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

Due to the rapidly changing circumstances due to COVID-19, airlines like Spirit Airlines, Frontier, and American Airlines flying from Las Vegas Harry Reid Intl to Illinois have implemented new flexible cancellation policies.

Can I find flights from Las Vegas to Illinois for under $200 on Cheapflights?

Yes, there are multiple flights from Las Vegas to Illinois for under $200. The cheapest flight booked recently is on Spirit Airlines for just $129, but on average you can expect to pay $158.

Are there nonstop flights from Las Vegas to Illinois for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Las Vegas to Illinois under $200. A good price for a nonstop flight from Las Vegas to Illinois is less than $209.

Are there last-minute flights available from Las Vegas to Illinois for under $200?

There are currently 20+ open flights from Las Vegas to Illinois within the next 7 days for less than $200.

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

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

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

Travelers can expect 21 flights from Las Vegas to Illinois on average per day.
Early Morning (Midnight to 6am) - 29% of flight departures
Morning (6am - Noon) - 5% of flight departures
Afternoon (Noon - 6pm) - 57% of flight departures
Evening (6pm - Midnight) - 10% of flight departures

How long is the flight from Las Vegas to Illinois?

Spirit Airlines and Frontier can get you from Las Vegas to Illinois in just under 3h 14m. 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 Frontier, with whom users have recently found tickets for as low as $58. However, be on the lookout for offers from Spirit Airlines 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 Harry Reid Intl - Chicago O'Hare Intl, Las Vegas Harry Reid Intl - Chicago Midway or Las Vegas Harry Reid Intl - Lambert-St Louis when deciding on the best route from Las Vegas to Illinois.

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

Consider Austrian Airlines (100%), Iberia (96%) or Aer Lingus (95%) when booking your flight. These represent the most reliable airlines when flying from Las Vegas to Illinois.

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 cheapest flights from Las Vegas to Illinois?

While on average a flight from Las Vegas to Illinois is generally $388, our data shows the cheapest flight currently is $60. When looking at the most popular route, (Las Vegas Harry Reid Intl - Chicago O'Hare Intl), you can expect to pay $187 for that flight.

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 Harry Reid Intl need to provide a negative COVID-19 test result and/or quarantine to enter Illinois.

COVID-19 testing requirements
Visitors from Las Vegas Harry Reid Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Illinois.

Quarantine requirements
Visitors from Las Vegas Harry Reid Intl 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 Harry Reid Intl from Illinois

COVID-19 testing requirements
Visitors from Illinois must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Las Vegas Harry Reid Intl.

Quarantine requirements
Visitors from Illinois are not required to quarantine after entering Las Vegas Harry Reid Intl.

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 25m

Airports servicing Las Vegas

Airports servicing

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

Top 7 airlines flying from Las Vegas Harry Reid Intl 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
Juneyao Airlines
$14 $23 No cancel fee 66%

We couldn't confirm the COVID-19 safety measures taken by Juneyao Airlines. Please check directly on their website for additional information.

Spirit Airlines
$58 $152 No cancel fee 65%
Allegiant Air
$59 $180 No cancel fee 88%
Frontier
$61 $202 No cancel fee 62%
United Airlines
$88 $293 No cancel fee 69%
American Airlines
$97 $409 No cancel fee 71%
Delta
$157 $343 No cancel fee N/A
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