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

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

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

To save on the cost of your flight from Illinois to Las Vegas, book at least 24 days before your planned departure. Booking around this time can save you about 18% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $262 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $304.

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

Flights from Illinois to Las Vegas lean towards being more expensive in December. Prices are generally better when you fly from Illinois to Las Vegas in August, with the cheapest ticket starting at $64.

Cheap flights from Illinois to Las Vegas in June, July 2021

The best prices found for Illinois to LAS flights for June, July
17 Jul - 19 Jul
$79pp
STL
Lambert-St Louis
Frontier
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Frontier
Non-Stop
STL
Lambert-St Louis
13 Jul - 16 Jul
$82pp
STL
Lambert-St Louis
Frontier
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Frontier
Non-Stop
STL
Lambert-St Louis
12 Jul - 13 Jul
$83pp
STL
Lambert-St Louis
Spirit Airlines
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Spirit Airlines
Non-Stop
STL
Lambert-St Louis

Illinois to Las Vegas 2021 flight deals

Cheap flights to Las Vegas from Illinois found for this year
17 Jul - 19 Jul
$79pp
STL
Lambert-St Louis
Frontier
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Frontier
Non-Stop
STL
Lambert-St Louis
2 Aug - 16 Aug
$82pp
STL
Lambert-St Louis
Frontier
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Frontier
Non-Stop
STL
Lambert-St Louis
12 Jul - 13 Jul
$83pp
STL
Lambert-St Louis
Spirit Airlines
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Spirit Airlines
Non-Stop
STL
Lambert-St Louis

Non-stop flights to Las Vegas from Illinois

Save time with Illinois to Las Vegas direct flight deals
17 Jul - 19 Jul
$79pp
STL
Lambert-St Louis
Frontier
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Frontier
Non-Stop
STL
Lambert-St Louis
2 Aug - 16 Aug
$82pp
STL
Lambert-St Louis
Frontier
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Frontier
Non-Stop
STL
Lambert-St Louis
12 Jul - 13 Jul
$83pp
STL
Lambert-St Louis
Spirit Airlines
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Spirit Airlines
Non-Stop
STL
Lambert-St Louis

Last minute flights from Illinois to Las Vegas

Late deals on round-trip flights to Las Vegas from Illinois, departing today and this week
30 Jun - 3 Jul
$79pp
STL
Lambert-St Louis
Multiple Airlines
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Spirit Airlines
Non-Stop
STL
Lambert-St Louis
26 Jun - 29 Jun
$82pp
STL
Lambert-St Louis
Multiple Airlines
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Spirit Airlines
Non-Stop
STL
Lambert-St Louis
26 Jun - 28 Jun
$84pp
STL
Lambert-St Louis
Frontier
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Frontier
Non-Stop
STL
Lambert-St Louis

One-way flights to Las Vegas from Illinois

The cheapest one-way flights from Illinois to Las Vegas
6:17 pm - 7:42 pm
Allegiant Air
Nonstop
3h 25m
RFD - LAS
Allegiant Air
$46
mytrip.com
2:55 pm - 6:50 pm
Sun Country Air
1 Stop
5h 55m
ORD - LAS
Sun Country Air
$63
mytrip.com
5:15 pm - 7:21 pm
Spirit Airlines
Nonstop
4h 06m
ORD - LAS
Spirit Airlines
$66
CheapOair

Related info for your journey

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

Flight FAQs

From Illinois to Las Vegas

Are flight prices decreasing from Illinois to Las Vegas due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Illinois and Las Vegas for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Illinois to Las Vegas McCarran to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Alaska Airlines is one of them. Some of the new policies that have been implemented to accommodate travelers flying from Illinois to Las Vegas McCarran are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

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

Spirit Airlines, Frontier, and American Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

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

Las Vegas McCarran (LAS), located 6.2 mi from the city center, is the airport you fly into when you book flights from Illinois to Las Vegas.

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

Yes, there are multiple flights from Illinois to Las Vegas for under $100. The cheapest flight booked recently is on Frontier for just $79, but on average you can expect to pay $94.

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

Cheapflights has at least 20 direct flights from Illinois to Las Vegas under $100. A good price for a nonstop flight from Illinois to Las Vegas is less than $92.

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

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

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

Nonstop flights can be found on the following days: Wednesday, Friday, Saturday.

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

When booking a flight from Illinois to Las Vegas, you may want to consider flying on Major Airline, American Airlines or Alaska Airlines as they are the most popular for this route.

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

The most popular route from Illinois to Las Vegas is Chicago O'Hare Intl - Las Vegas McCarran. You may also consider Chicago Midway - Las Vegas McCarran or Lambert-St Louis - Las Vegas McCarran.

What are the cheapest Flights from Illinois to Las Vegas?

On average you can expect to pay $638 for a flight from Illinois to Las Vegas. The cheapest flight overall is $64 while the most popular route, (Chicago O'Hare Intl - Las Vegas McCarran) is currently priced at $103.

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

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Illinois to Las Vegas on time: Finnair(100%), Air Canada(96%), Frontier(95%.)

How long is the flight from Illinois to Las Vegas?

There are many flights that can get you from Illinois to Las Vegas in 3h 17m. Fly via Allegiant Air to get the fastest option. Most flights are nonstop.

What are the cheapest airlines flying from Illinois to Las Vegas round-trip?

Currently priced at $79, Frontier will fly you from Illinois to Las Vegas and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Spirit Airlines for as low as $86.

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

One-way options have recently been found by users for as low as $31 on Allegiant Air. Other airlines that offer cheap prices include Spirit Airlines from $37 and Frontier from $40 one-way.

Departure points for flights from Illinois to Las Vegas

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

Destination information for Las Vegas

Things to know before you go - useful duration and weather info for your trip from Illinois to Las Vegas.
Flight duration
3h 22m
Average temperature for June in Las Vegas
100.4 °F
Avg rainfall for June in Las Vegas
0.1 ″

Airports servicing

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

Airports servicing Las Vegas

Top 9 airlines flying from Illinois to Las Vegas

The chart below displays the airlines Cheapflights users traveling from Illinois to Las Vegas 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
Frontier
$57 $187 No cancel fee 62%
Sun Country Air
$107 $218 No cancel fee 83%
Spirit Airlines
$77 $229 No cancel fee 65%
Allegiant Air
$143 $262 No cancel fee 88%
American Airlines
$64 $330 No cancel fee 71%
Delta
$112 $354 No cancel fee N/A
United Airlines
$59 $377 No cancel fee 69%
Southwest
$369 $627 No cancel fee 63%
Alaska Airlines
$361 $657 No cancel fee 75%
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