HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$54+ Cheap flights from Las Vegas (LAS) to Illinois

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — ORD
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Las Vegas to Illinois with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Las Vegas to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) to Illinois (USIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 21, 2024.

Find flight deals from Las Vegas to Illinois

Cheapest flights from Las Vegas to Illinois
Explore the most affordable flight options available from Las Vegas to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This Mytrip deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/711:58 pmLAS - ORD
Nonstop3h 32mSpirit Airlines
Wed 12/119:10 pmORD - LAS
Nonstop4h 10mSpirit Airlines
Deal found 11/19$97
This Cheapflightsfares deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1111:58 pmLAS - ORD
Nonstop3h 32mMultiple Airlines
Thu 12/126:36 pmORD - LAS
Nonstop4h 24mMultiple Airlines
Deal found 11/20$98
This Flightnetwork deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/59:53 pmLAS - ORD
1 stop24h 42mFrontier
Sun 12/86:36 pmORD - LAS
Nonstop4h 24mFrontier
Deal found 11/20$100
This Flightnetwork deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/59:53 pmLAS - MDW
1 stop24h 20mFrontier
Sun 12/812:43 pmMDW - LAS
Nonstop4h 24mFrontier
Deal found 11/20$102
This Frontier deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/59:53 pmLAS - STL
1 stop8h 20mFrontier
Sat 12/76:46 pmSTL - LAS
1 stop7h 16mFrontier
Deal found 11/19$108
This Mytrip deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/56:00 amLAS - RFD
Nonstop3h 25mAllegiant Air
Sun 12/812:45 pmRFD - LAS
Nonstop3h 52mAllegiant Air
Deal found 11/21$139
This Cheapflightsfares deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/194:01 pmLAS - MLI
Nonstop3h 15mAllegiant Air
Tue 12/242:20 pmMLI - LAS
Nonstop3h 38mAllegiant Air
Deal found 11/20$151
This Southwest deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/74:20 pmLAS - MDW
Nonstop3h 35mSouthwest
Wed 12/118:35 pmMDW - LAS
Nonstop4h 00mSouthwest
Deal found 11/19$195
This Mytrip deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/610:27 pmLAS - STL
1 stop14h 54mMultiple Airlines
Wed 12/1112:15 pmSTL - LAS
2 stops13h 05mMultiple Airlines
Deal found 11/19$212
This American Airlines deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1812:35 amLAS - ORD
Nonstop3h 37mAmerican Airlines
Wed 1/87:00 pmORD - LAS
Nonstop4h 09mAmerican Airlines
Deal found 11/21$233
This American Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/142:39 pmLAS - MLI
1 stop7h 16mAmerican Airlines
Sun 12/153:24 pmMLI - LAS
1 stop6h 32mAmerican Airlines
Deal found 11/20$243
This Delta deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/55:50 amLAS - MDW
1 stop9h 12mDelta
Sat 12/74:58 pmMDW - LAS
1 stop7h 37mDelta
Deal found 11/20$258

Find flights from Las Vegas to Illinois within your budget

Customize your flight search to find flights from Las Vegas to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Sat 12/7

11:58 pm-5:30 am

Nonstop3h 32m

Chicago O'Hare Intl

Wed 12/11

9:10 pm-11:20 pm

Nonstop4h 10m

$97

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Wed 12/11

11:58 pm-5:30 am

Nonstop3h 32m

Chicago O'Hare Intl

Thu 12/12

6:36 pm-9:00 pm

Nonstop4h 24m

$98

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Thu 12/5

9:53 pm-12:35 am

1 stop24h 42m

Chicago O'Hare Intl

Sun 12/8

6:36 pm-9:00 pm

Nonstop4h 24m

$100

Las VegasChicago

LAS - MDW

LASMDW

Las Vegas Harry Reid Intl

Thu 1/23

6:11 am-11:44 am

Nonstop3h 33m

Chicago Midway

Sun 1/26

12:43 pm-2:56 pm

Nonstop4h 13m

$100

Las VegasSt. Louis

LAS - STL

LASSTL

Las Vegas Harry Reid Intl

Thu 12/5

9:53 pm-8:13 am

1 stop8h 20m

Lambert-St Louis

Sat 12/7

6:46 pm-12:02 am

1 stop7h 16m

$108

Las VegasChicago

LAS - RFD

LASRFD

Las Vegas Harry Reid Intl

Thu 12/5

6:00 am-11:25 am

Nonstop3h 25m

Chicago Greater Rockford

Sun 12/8

12:45 pm-2:37 pm

Nonstop3h 52m

$139

Las VegasMoline

LAS - MLI

LASMLI

Las Vegas Harry Reid Intl

Thu 12/19

4:01 pm-9:16 pm

Nonstop3h 15m

Moline Quad-City

Tue 12/24

2:20 pm-3:58 pm

Nonstop3h 38m

$151

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Wed 1/15

7:00 am-12:37 pm

Nonstop3h 37m

Chicago O'Hare Intl

Wed 1/15

3:25 pm-5:28 pm

Nonstop4h 03m

$192

Las VegasChicago

LAS - MDW

LASMDW

Las Vegas Harry Reid Intl

Sat 12/7

4:20 pm-9:55 pm

Nonstop3h 35m

Chicago Midway

Wed 12/11

8:35 pm-10:35 pm

Nonstop4h 00m

$195

Las VegasSt. Louis

LAS - STL

LASSTL

Las Vegas Harry Reid Intl

Fri 12/6

10:27 pm-3:21 pm

1 stop14h 54m

Lambert-St Louis

Wed 12/11

12:15 pm-11:20 pm

2 stops13h 05m

$212

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 59 results
1
2
3
...
6

Best time to book a flight from Las Vegas to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Las Vegas with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Las Vegas to Illinois

Get recent, data-driven insights about flights from Las Vegas to Illinois including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Las Vegas to Illinois?

Currently, September is the cheapest month in which you can book a flight from Las Vegas to Illinois (average of $232). Flying from Las Vegas to Illinois in June is currently the most expensive (average of $308). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LAS to IL?

Find hourly flight availability from Las Vegas to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

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.

Weekly flight availability from Las Vegas to Illinois

Explore weekly flight availability from Las Vegas to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 21, 2024.

The most flights from LAS to USIL are scheduled on a Wednesday (38 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (19 on average).

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated November 21, 2024.
Peruse reviews from past customers who have flown with United Airlines, Frontier and Spirit Airlines from Las Vegas to Illinois to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Food

7.2

Overall

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,015 reviews
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Food

7.2

Overall

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,458 reviews
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Food

7.2

Overall

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,759 reviews
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Food

7.2

Overall

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Porter Airlines
7.8
Good
286 reviews
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Food

7.2

Overall

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,173 reviews
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Food

7.2

Overall

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Las Vegas to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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.

  • 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 $54. 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 Avianca (95%), Austrian Airlines (94%) or Lufthansa (93%) when booking your flight. These represent the most reliable 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 $962, our data shows the cheapest flight currently is $52. When looking at the most popular route, (Las Vegas Harry Reid Intl - Chicago O'Hare Intl), you can expect to pay $82 for that flight.

  • Can I find deals for flights from Las Vegas to Illinois that include hotel bookings?

    Yes. In addition to deals on Las Vegas to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Las Vegas to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Las Vegas to Illinois.

  • Can I find deals for business class flights from Las Vegas to Illinois?

    Yes. Cheapflights offers flight deals from Las Vegas to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Las Vegas to Illinois?

    Currently, September is the cheapest month in which you can book a flight from Las Vegas to Illinois (average of $232). Flying from Las Vegas to Illinois in June is currently the most expensive (average of $308). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Las Vegas to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Las Vegas to John F Kennedy Intl flights
Las Vegas to Los Angeles flights
Las Vegas to Seattle flights
Las Vegas to Newark flights
Las Vegas to Orlando flights
Las Vegas to Honolulu flights
Las Vegas to Dallas/Fort Worth flights
Las Vegas to Burbank flights
Las Vegas to LaGuardia flights
Las Vegas to Santa Ana flights
Las Vegas to Fort Lauderdale flights
Las Vegas to Denver flights
Las Vegas to Baltimore flights
Las Vegas to Dulles Intl flights
Las Vegas to San Francisco flights
Las Vegas to Miami flights
Las Vegas to Hobby flights
Las Vegas to Atlanta flights
Las Vegas to Boston flights
Las Vegas to O'Hare Intl flights
Las Vegas to Reagan-National flights
Las Vegas to Love Field flights
Las Vegas to Kahului flights
Las Vegas to San Jose flights
Las Vegas to George Bush Intcntl flights
Las Vegas to Oakland flights
Reno to Las Vegas flights
Las Vegas to Salt Lake City flights
Las Vegas to Everett flights
Las Vegas to Reno flights
Las Vegas to Tampa flights
Las Vegas to Sky Harbor Intl flights
Las Vegas to Portland flights
Las Vegas to San Diego flights
Las Vegas to Austin flights
Las Vegas to Philadelphia flights
Las Vegas to Ontario flights
Las Vegas to Minneapolis flights
Reno to Los Angeles flights
Reno to San Francisco flights
Las Vegas to San Antonio flights
Las Vegas to Detroit flights
Reno to Seattle flights
Las Vegas to Midway flights
Reno to O'Hare Intl flights
Las Vegas to New Orleans flights
Las Vegas to Kailua-Kona flights
Las Vegas to Charlotte flights
Las Vegas to Nashville flights
Las Vegas to Raleigh flights

Top 7 airlines flying from Las Vegas to Illinois

Discover the top 7 airlines that operate flights from Las Vegas to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$53Average$153FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$71Average$187FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$107Average$195FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$158Average$404FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$166Average$457FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$196Average$345FlexibilityNo cancel feeOn-time63%
DeltaCheapest$257Average$471FlexibilityNo cancel feeOn-timeN/A
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines