$88+ Cheap flights from Las Vegas (LAS) to Illinois
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — ORD
Dec 9 — Dec 161
Round-trip
1 adult, Economy
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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
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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
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Cheapest flights from Las Vegas to IllinoisExplore 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 9, 2026.
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 9, 2026.
This CheapOair deal was found by Cheapflights users on 11/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/193:28 pm -
Nonstop3h 11m
Sun 11/229:29 pm -
Nonstop3h 37m
Deal found 11/5![Allegiant Air logo]()
$183
This Cheapflightsfares deal was found by Cheapflights users on 11/4. 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.
Fri 12/186:40 am -
1 stop15h 46m
Mon 12/217:35 am -
Nonstop4h 27m
Deal found 11/4![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 11/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/811:15 pm -
Nonstop3h 46m
Sat 12/1210:00 am -
1 stop11h 07m
Deal found 11/8![Frontier logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 11/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1011:15 pm -
Nonstop3h 46m
Wed 12/166:21 am -
Nonstop4h 15m
Deal found 11/8![Frontier logo]()
$194
This Super.com deal was found by Cheapflights users on 11/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/211:15 pm -
Nonstop3h 44m
Sat 12/56:21 am -
Nonstop4h 15m
Deal found 11/5![Frontier logo]()
$195
This Cheapflightsfares deal was found by Cheapflights users on 11/5. 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.
Tue 12/226:20 am -
Nonstop3h 12m
Sun 1/39:13 pm -
Nonstop3h 43m
Deal found 11/5![Allegiant Air logo]()
$195
This Cheapflightsfares deal was found by Cheapflights users on 11/8. 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.
Sat 12/56:00 am -
1 stop8h 33m
Sat 12/1210:00 am -
1 stop11h 07m
Deal found 11/8![Frontier logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2112:04 am -
Nonstop3h 45m
Fri 1/297:30 am -
Nonstop4h 28m
Deal found 11/6![Frontier logo]()
$197
This Mytrip deal was found by Cheapflights users on 11/8. 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.
Tue 12/812:59 am -
2 stops19h 01m
Sat 12/1210:00 am -
1 stop15h 58m
Deal found 11/8![Frontier logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:35 am -
Nonstop3h 22m
Mon 12/71:01 pm -
1 stop23h 06m
Deal found 11/9![Multiple Airlines logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 11/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:00 am -
1 stop8h 33m
Wed 12/166:21 am -
Nonstop4h 15m
Deal found 11/8![Frontier logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/246:20 am -
Nonstop3h 17m
Sun 1/2412:42 pm -
Nonstop3h 53m
Deal found 11/6![Allegiant Air logo]()
$204
Best flights from Las Vegas to IllinoisDiscover carefully curated flight deals from Las Vegas to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 9, 2026.
Discover carefully curated flight deals from Las Vegas to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 9, 2026.
This Booking.com deal was found by Cheapflights users on 11/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:35 am -
Nonstop3h 22m
Thu 12/1012:47 pm -
Nonstop4h 01m
Deal found 11/6![Allegiant Air logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:38 pm -
1 stop17h 33m
Sun 12/612:47 pm -
Nonstop4h 01m
Deal found 11/9![Multiple Airlines logo]()
$242
This Alaska Airlines deal was found by Cheapflights users on 11/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:00 am -
1 stop9h 49m
Sat 12/122:13 pm -
1 stop8h 51m
Deal found 11/6![Alaska Airlines logo]()
$259
This United Airlines deal was found by Cheapflights users on 11/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/224:26 pm -
Nonstop3h 49m
Tue 2/238:11 pm -
Nonstop4h 19m
Deal found 11/5![United Airlines logo]()
$269
This Delta deal was found by Cheapflights users on 11/4. 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.
Sat 12/199:00 am -
1 stop6h 24m
Tue 12/229:58 am -
1 stop8h 29m
Deal found 11/4![Delta logo]()
$297
This Southwest deal was found by Cheapflights users on 11/8. 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.
Tue 12/2912:20 am -
Nonstop3h 20m
Mon 1/45:45 am -
Nonstop4h 00m
Deal found 11/8![Southwest logo]()
$314
This Cheapflightsfares deal was found by Cheapflights users on 11/4. 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.
Sun 11/2211:26 pm -
Nonstop3h 44m
Mon 11/305:15 am -
Nonstop4h 12m
Deal found 11/4![Frontier logo]()
$371
This CheapOair deal was found by Cheapflights users on 11/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/106:35 am -
Nonstop3h 22m
Sun 12/2012:27 pm -
Nonstop3h 54m
Deal found 11/9![Allegiant Air logo]()
$215
This American Airlines deal was found by Cheapflights users on 11/4. 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.
Fri 11/205:01 am -
1 stop8h 36m
Tue 11/242:33 pm -
1 stop7h 06m
Deal found 11/4![American Airlines logo]()
$459
This CheapOair deal was found by Cheapflights users on 11/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:20 am -
Nonstop3h 12m
Sat 11/281:32 pm -
Nonstop3h 46m
Deal found 11/5![Allegiant Air logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/222:55 pm -
Nonstop3h 17m
Sun 1/2412:42 pm -
Nonstop3h 53m
Deal found 11/6![Allegiant Air logo]()
$225
This United Airlines deal was found by Cheapflights users on 11/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/137:00 am -
Nonstop3h 48m
Sat 1/163:35 pm -
1 stop6h 42m
Deal found 11/9![United Airlines logo]()
$309
This Southwest deal was found by Cheapflights users on 11/4. 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 12/196:50 pm -
Nonstop3h 25m
Mon 12/219:35 pm -
Nonstop4h 10m
Deal found 11/4![Southwest logo]()
$315
This Delta deal was found by Cheapflights users on 11/8. 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.
Wed 12/97:11 am -
1 stop7h 25m
Tue 12/1511:08 am -
1 stop9h 33m
Deal found 11/8![Delta logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/206:20 am -
Nonstop3h 17m
Sun 1/2412:42 pm -
Nonstop3h 53m
Deal found 11/6![Allegiant Air logo]()
$246
This Southwest deal was found by Cheapflights users on 11/5. 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.
Thu 12/312:20 am -
Nonstop3h 20m
Fri 12/116:05 pm -
Nonstop4h 05m
Deal found 11/5![Southwest logo]()
$315
This Alaska Airlines deal was found by Cheapflights users on 11/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1210:32 am -
2 stops17h 05m
Sun 12/132:13 pm -
1 stop7h 15m
Deal found 11/6![Alaska Airlines logo]()
$353
This United Airlines deal was found by Cheapflights users on 11/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/249:48 am -
1 stop5h 17m
Tue 12/299:47 pm -
Nonstop4h 12m
Deal found 11/8![United Airlines logo]()
$339
This CheapOair deal was found by Cheapflights users on 11/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/276:20 am -
Nonstop3h 17m
Sun 1/312:27 pm -
Nonstop3h 54m
Deal found 11/9![Allegiant Air logo]()
$260
This Delta deal was found by Cheapflights users on 11/5. 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.
Sat 12/1912:36 pm -
1 stop7h 46m
Sun 12/205:05 pm -
1 stop7h 09m
Deal found 11/5![Delta logo]()
$363
This Southwest deal was found by Cheapflights users on 11/5. 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.
Tue 12/228:00 pm -
Nonstop3h 25m
Tue 1/58:50 pm -
Nonstop4h 10m
Deal found 11/5![Southwest logo]()
$330
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/248:18 pm -
1 stop16h 03m
Fri 1/16:00 am -
2 stops12h 45m
Deal found 11/5![Alaska Airlines logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 11/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/122:35 pm -
Nonstop3h 27m
Tue 11/2412:22 pm -
Nonstop3h 46m
Deal found 11/8![Allegiant Air logo]()
$263
This United Airlines deal was found by Cheapflights users on 11/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/227:00 am -
1 stop8h 03m
Sun 1/38:05 am -
1 stop8h 59m
Deal found 11/5![United Airlines logo]()
$364
This Southwest deal was found by Cheapflights users on 11/7. 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.
Fri 12/46:50 pm -
Nonstop3h 25m
Mon 12/75:50 am -
Nonstop3h 55m
Deal found 11/7![Southwest logo]()
$339
This CheapOair deal was found by Cheapflights users on 11/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/246:20 am -
Nonstop3h 17m
Thu 12/3112:27 pm -
Nonstop3h 54m
Deal found 11/5![Allegiant Air logo]()
$265
This Alaska Airlines deal was found by Cheapflights users on 11/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/166:00 am -
1 stop15h 59m
Thu 1/217:40 am -
2 stops10h 48m
Deal found 11/7![Alaska Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 11/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/248:40 am -
Nonstop3h 49m
Sun 12/279:47 pm -
Nonstop4h 12m
Deal found 11/8![United Airlines logo]()
$383
This Southwest deal was found by Cheapflights users on 11/6. 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.
Tue 12/88:45 am -
Nonstop3h 30m
Thu 12/101:40 pm -
1 stop6h 20m
Deal found 11/6![Southwest logo]()
$355
This American Airlines deal was found by Cheapflights users on 11/6. 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 11/215:01 am -
1 stop6h 58m
Wed 11/257:11 am -
1 stop9h 23m
Deal found 11/6![American Airlines logo]()
$526
Last-minute flights from Las Vegas to IllinoisDiscover last-minute flight deals from Las Vegas to Illinois. Data last updated November 9, 2026 and is based on user searches.
Discover last-minute flight deals from Las Vegas to Illinois. Data last updated November 9, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 11/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/193:28 pm -
Nonstop3h 11m
Sun 11/229:29 pm -
Nonstop3h 37m
Deal found 11/5![Allegiant Air logo]()
$183
This Super.com deal was found by Cheapflights users on 11/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/211:15 pm -
Nonstop3h 44m
Sat 12/56:21 am -
Nonstop4h 15m
Deal found 11/5![Frontier logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:35 am -
Nonstop3h 22m
Mon 12/71:01 pm -
1 stop23h 06m
Deal found 11/9![Multiple Airlines logo]()
$198
This Cheapflightsfares deal was found by Cheapflights users on 11/8. 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.
Sat 12/56:00 am -
1 stop8h 33m
Sat 12/1210:00 am -
1 stop11h 07m
Deal found 11/8![Frontier logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 11/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/811:15 pm -
Nonstop3h 46m
Sat 12/1210:00 am -
1 stop11h 07m
Deal found 11/8![Frontier logo]()
$192
This Mytrip deal was found by Cheapflights users on 11/8. 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.
Tue 12/812:59 am -
2 stops19h 01m
Sat 12/1210:00 am -
1 stop15h 58m
Deal found 11/8![Frontier logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 11/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:00 am -
1 stop8h 33m
Tue 12/156:21 am -
Nonstop4h 15m
Deal found 11/8![Frontier logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 11/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1011:15 pm -
Nonstop3h 46m
Tue 12/156:21 am -
Nonstop4h 15m
Deal found 11/8![Frontier logo]()
$194
This Cheapflightsfares deal was found by Cheapflights users on 11/4. 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.
Fri 12/186:40 am -
1 stop15h 46m
Mon 12/217:35 am -
Nonstop4h 27m
Deal found 11/4![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2112:04 am -
Nonstop3h 45m
Fri 1/297:30 am -
Nonstop4h 28m
Deal found 11/6![Frontier logo]()
$197
This Cheapflightsfares deal was found by Cheapflights users on 11/5. 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.
Tue 12/226:20 am -
Nonstop3h 12m
Sun 1/39:13 pm -
Nonstop3h 43m
Deal found 11/5![Allegiant Air logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/246:20 am -
Nonstop3h 17m
Sun 1/2412:42 pm -
Nonstop3h 53m
Deal found 11/6![Allegiant Air logo]()
$204
One-way flights from Las Vegas to IllinoisSearch for one-way flight options from Las Vegas to Illinois. Find affordable one-way fares based on user searches. Data last updated November 9, 2026.
Search for one-way flight options from Las Vegas to Illinois. Find affordable one-way fares based on user searches. Data last updated November 9, 2026.
This CheapOair deal was found by Cheapflights users on 11/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:25 am -
Nonstop3h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Allegiant Air logo]()
$88
This Super.com deal was found by Cheapflights users on 11/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/193:22 pm -
Nonstop3h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Allegiant Air logo]()
$93
This CheapOair deal was found by Cheapflights users on 11/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/242:58 pm -
Nonstop3h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Allegiant Air logo]()
$95
This CheapOair deal was found by Cheapflights users on 11/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2711:00 am -
Nonstop3h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Allegiant Air logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/117:00 am -
2 stops15h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Frontier logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1512:15 pm -
1 stop19h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Frontier logo]()
$132
This Booking.com deal was found by Cheapflights users on 11/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/222:55 pm -
Nonstop3h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Allegiant Air logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/196:12 am -
2 stops25h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 11/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/295:26 am -
1 stop28h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Frontier logo]()
$133
This Super.com deal was found by Cheapflights users on 11/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2512:04 am -
Nonstop3h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Frontier logo]()
$134
This Super.com deal was found by Cheapflights users on 11/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/228:18 am -
1 stop13h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Frontier logo]()
$134
This Travelocity deal was found by Cheapflights users on 11/9. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/197:35 pm -
1 stop15h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Alaska Airlines logo]()
$135
Find flight deals from Las Vegas to Illinois
Keep the following information in mind while searching for Las Vegas to Illinois flight deals. Data was last updated November 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $183 (CheapOair) |
One-way from | $88 (CheapOair) |
Popular in | July |
Cheapest in | April |
Average price | $331 |
Good round-trip deal | $215 or less |
Good one-way deal | $147 or less |
Cheapflights Fare Finder
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 7,457,451 searches. Data last updated November 9, 2026.
Use the filters below to find and compare flights from Las Vegas to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Las VegasChicago
LAS Las Vegas Harry Reid Intl - RFD Chicago Greater Rockford
LASRFD
Las Vegas Harry Reid Intl
Thu 11/12
2:35 pm-8:02 pm
Nonstop3h 27m
Chicago Greater Rockford
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$141
Las VegasChicago
LAS Las Vegas Harry Reid Intl - ORD Chicago O'Hare Intl
LASORD
Las Vegas Harry Reid Intl
Wed 1/6
10:35 am-4:25 pm
Nonstop3h 50m
Chicago O'Hare Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$150
Quickest round-trip
Las VegasChicago
LAS Las Vegas Harry Reid Intl - MDW Chicago Midway
LASMDW
Las Vegas Harry Reid Intl
Tue 12/29
12:20 am-5:40 am
Nonstop3h 20m
Chicago Midway
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$150
Las VegasChicago
LAS Las Vegas Harry Reid Intl - RFD Chicago Greater Rockford
LASRFD
Las Vegas Harry Reid Intl
Sun 12/13
6:35 am-11:57 am
Nonstop3h 22m
Chicago Greater Rockford
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$158
Las VegasChicago
LAS Las Vegas Harry Reid Intl - MDW Chicago Midway
LASMDW
Las Vegas Harry Reid Intl
Mon 12/7
12:50 am-10:28 am
1 stop7h 38m
Chicago Midway
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$160
Las VegasChicago
LAS Las Vegas Harry Reid Intl - MDW Chicago Midway
LASMDW
Las Vegas Harry Reid Intl
Tue 12/22
11:15 pm-8:49 am
1 stop7h 34m
Chicago Midway
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$160
Las VegasChicago
LAS Las Vegas Harry Reid Intl - MDW Chicago Midway
LASMDW
Las Vegas Harry Reid Intl
Wed 12/23
11:15 pm-8:49 am
1 stop7h 34m
Chicago Midway
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$160
Las VegasMoline
LAS Las Vegas Harry Reid Intl - MLI Moline Quad-City
LASMLI
Las Vegas Harry Reid Intl
Sat 1/16
1:49 pm-12:19 am
1 stop8h 30m
Moline Quad-City
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$161
Las VegasChicago
LAS Las Vegas Harry Reid Intl - ORD Chicago O'Hare Intl
LASORD
Las Vegas Harry Reid Intl
Mon 2/1
2:18 pm-8:08 pm
Nonstop3h 50m
Chicago O'Hare Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$165
Las VegasChicago
LAS Las Vegas Harry Reid Intl - MDW Chicago Midway
LASMDW
Las Vegas Harry Reid Intl
Thu 12/3
11:50 am-5:25 pm
Nonstop3h 35m
Chicago Midway
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$165
Showing 1-10 of 60 resultsSorted by cheapest first
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.
LAS-RFD
LAS-ORD
LAS-MDW
LAS-MLI
LAS-PIA
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.
Cheapflights Insights
Everything you need to know about your flight from Las Vegas to Illinois
LAS-USIL
LAS-RFD
LAS-ORD
LAS-MDW
LAS-MLI
What is the cheapest month to book a flight from Las Vegas to Illinois?
Currently, January is the cheapest month in which you can book a flight from Las Vegas to Illinois (average of $260). Flying from Las Vegas to Illinois in July is currently the most expensive (average of $365). 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 9, 2026.
When flying from Las Vegas to Illinois, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 18% versus a flight in the evening.
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 9, 2026.
The most flights from LAS to USIL are scheduled on a Friday (45 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (26 on average).
How much does it cost to fly round-trip from Las Vegas to Illinois?
Airfare is below average for this route at the moment.
Las Vegas to Illinois flights typically cost between $258 and $410 in December.The cheapest round-trip price found within the last 5 days was $191 on Frontier (Dec 18-Dec 21).
How far ahead should I book a flight from Las Vegas to Illinois?
The best time to book flights from Las Vegas to Illinois is 68 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest day to fly from Las Vegas to Illinois?
Use this chart to determine the cheapest time to fly round-trip from Las Vegas to Illinois. Price data was last updated on November 7, 2026.
Travelers seeking maximum savings on their Las Vegas to Illinois flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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 9, 2026.
Get a feel of what it's like to fly with Southwest,United Airlines, andAllegiant Air from Las Vegas to Illinois by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.4
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.4
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.4
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.4
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.4
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.4
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
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.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Las Vegas to Illinois
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Illinois by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Las Vegas to Illinois by cabin class
Find flights from Las Vegas to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Las Vegas and Illinois flights
Browse other Las Vegas and Illinois flight options. Last updated on November 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Las Vegas to Illinois flights
Consider these flights traveling from Las Vegas to Illinois.
Top 6 airlines flying from Las Vegas to Illinois
Discover the top 6 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 7,457,451 searches. Data last updated November 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$264 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$130 | Average$259 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$183 | Average$433 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$187 | Average$374 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$228 | Average$355 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$247 | Average$329 | FlexibilityNo cancel fee | On-time62% |