$59+ 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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — ORD
mrt. 13 — mrt. 201
1 adult, Economy
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Find cheap flights from Las Vegas to Illinois with Cheapflights
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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 februari 11, 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 februari 11, 2026.
This Super.com deal was found by Cheapflights users on 2/10. 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.
wo 3/116:05 am
LAS
- STL
Nonstop3h 14m
Frontier
zo 3/158:06 pm
STL
- LAS
Nonstop4h 02m
Frontier
Deal found 2/10![Frontier logo]()
$117
This Super.com deal was found by Cheapflights users on 2/10. 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.
wo 3/186:05 am
LAS
- STL
Nonstop3h 14m
Frontier
zo 3/228:06 pm
STL
- LAS
Nonstop4h 02m
Frontier
Deal found 2/10![Frontier logo]()
$122
This Super.com deal was found by Cheapflights users on 2/8. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vr 3/276:05 am
LAS
- STL
Nonstop3h 14m
Frontier
ma 3/3012:14 pm
STL
- LAS
Nonstop3h 57m
Frontier
Deal found 2/8![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
di 3/311:03 pm
LAS
- STL
1 stop21h 24m
Frontier
zo 3/86:19 pm
STL
- LAS
Nonstop3h 50m
Frontier
Deal found 2/8![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
vr 2/276:00 pm
LAS
- ORD
2 stops27h 17m
Frontier
za 3/78:55 pm
ORD
- LAS
Nonstop4h 20m
Frontier
Deal found 2/8![Frontier logo]()
$133
This Cheapflightsfares deal was found by Cheapflights users on 2/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma 3/912:25 am
LAS
- ORD
Nonstop3h 43m
Frontier
di 3/244:18 pm
ORD
- LAS
1 stop21h 37m
Frontier
Deal found 2/9![Frontier logo]()
$134
This deal was found by Cheapflights users on 2/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vr 5/112:59 am
LAS
- ORD
Nonstop3h 48m
Frontier
zo 5/106:09 pm
ORD
- LAS
1 stop7h 41m
Frontier
Deal found 2/10![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
ma 5/188:48 am
LAS
- ORD
1 stop6h 05m
Multiple Airlines
wo 5/208:53 pm
ORD
- LAS
Nonstop4h 01m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$136
This Super.com deal was found by Cheapflights users on 2/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 3/512:25 am
LAS
- ORD
Nonstop3h 43m
Frontier
ma 3/98:55 pm
ORD
- LAS
Nonstop4h 20m
Frontier
Deal found 2/7![Frontier logo]()
$137
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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.
do 2/2611:37 am
LAS
- ORD
Nonstop3h 47m
Frontier
ma 3/27:45 am
ORD
- LAS
1 stop12h 08m
Frontier
Deal found 2/10![Frontier logo]()
$138
This Cheapflightsfares deal was found by Cheapflights users on 2/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vr 4/2411:59 pm
LAS
- ORD
Nonstop3h 32m
Spirit Airlines
ma 4/277:41 am
ORD
- LAS
1 stop7h 23m
Spirit Airlines
Deal found 2/9![Spirit Airlines logo]()
$139
This Trip.com deal was found by Cheapflights users on 2/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wo 3/1112:25 am
LAS
- ORD
Nonstop3h 43m
Multiple Airlines
di 3/174:36 pm
ORD
- LAS
1 stop9h 13m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$140
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 februari 11, 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 februari 11, 2026.
This Super.com deal was found by Cheapflights users on 2/10. 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.
wo 3/186:05 am
LAS
- STL
Nonstop3h 14m
Frontier
zo 3/228:06 pm
STL
- LAS
Nonstop4h 02m
Frontier
Deal found 2/10![Frontier logo]()
$122
This United Airlines deal was found by Cheapflights users on 2/11. 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.
za 4/187:00 am
LAS
- ORD
Nonstop3h 47m
United Airlines
za 4/254:15 pm
ORD
- LAS
Nonstop4h 12m
United Airlines
Deal found 2/11![United Airlines logo]()
$197
This Southwest deal was found by Cheapflights users on 2/11. 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.
di 5/124:25 pm
LAS
- MDW
Nonstop3h 35m
Southwest
di 5/198:55 pm
MDW
- LAS
Nonstop3h 55m
Southwest
Deal found 2/11![Southwest logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
do 3/191:01 am
LAS
- ORD
1 stop11h 15m
Multiple Airlines
zo 3/229:08 pm
ORD
- LAS
Nonstop4h 26m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
do 6/187:00 am
LAS
- RFD
Nonstop3h 23m
Allegiant Air
zo 6/211:13 pm
RFD
- LAS
Nonstop3h 36m
Allegiant Air
Deal found 2/10![Allegiant Air logo]()
$214
This Delta deal was found by Cheapflights users on 2/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
di 5/1212:45 am
LAS
- MDW
1 stop5h 57m
Delta
di 5/191:59 pm
MDW
- LAS
1 stop8h 22m
Delta
Deal found 2/9![Delta logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 2/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 2/267:00 am
LAS
- ORD
1 stop14h 56m
Alaska Airlines
zo 3/18:20 am
ORD
- LAS
1 stop10h 17m
Alaska Airlines
Deal found 2/8![Alaska Airlines logo]()
$240
This Mytrip deal was found by Cheapflights users on 2/10. 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.
di 2/249:54 pm
LAS
- ORD
1 stop11h 28m
Spirit Airlines
vr 2/277:23 pm
ORD
- LAS
3 stops30h 21m
Spirit Airlines
Deal found 2/10![Spirit Airlines logo]()
$241
This Super.com deal was found by Cheapflights users on 2/8. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vr 3/276:05 am
LAS
- STL
Nonstop3h 14m
Frontier
ma 3/3012:14 pm
STL
- LAS
Nonstop3h 57m
Frontier
Deal found 2/8![Frontier logo]()
$126
This American Airlines deal was found by Cheapflights users on 2/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wo 3/116:00 am
LAS
- BMI
1 stop6h 26m
American Airlines
zo 3/153:45 pm
BMI
- LAS
1 stop7h 24m
American Airlines
Deal found 2/9![American Airlines logo]()
$295
This Frontier deal was found by Cheapflights users on 2/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wo 3/2512:25 am
LAS
- ORD
Nonstop3h 43m
Frontier
ma 3/308:55 pm
ORD
- LAS
Nonstop4h 20m
Frontier
Deal found 2/7![Frontier logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
wo 3/116:05 am
LAS
- STL
Nonstop3h 14m
Frontier
ma 3/168:12 pm
STL
- LAS
1 stop26h 03m
Frontier
Deal found 2/8![Frontier logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
do 3/512:25 am
LAS
- ORD
Nonstop3h 43m
Frontier
di 3/107:00 am
ORD
- LAS
1 stop7h 52m
Frontier
Deal found 2/9![Frontier logo]()
$152
This Expedia deal was found by Cheapflights users on 2/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wo 3/119:59 pm
LAS
- ORD
1 stop11h 18m
Multiple Airlines
zo 3/159:08 pm
ORD
- LAS
Nonstop4h 26m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$209
This Southwest deal was found by Cheapflights users on 2/8. 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.
di 2/244:55 pm
LAS
- ORD
Nonstop3h 40m
Southwest
za 2/286:25 pm
ORD
- LAS
Nonstop4h 25m
Southwest
Deal found 2/8![Southwest logo]()
$218
This Super.com deal was found by Cheapflights users on 2/10. 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.
do 3/121:51 pm
LAS
- STL
Nonstop3h 20m
Frontier
zo 3/158:06 pm
STL
- LAS
Nonstop4h 02m
Frontier
Deal found 2/10![Frontier logo]()
$152
This United Airlines deal was found by Cheapflights users on 2/8. 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.
vr 2/272:34 pm
LAS
- ORD
Nonstop3h 46m
United Airlines
zo 3/16:00 am
ORD
- LAS
Nonstop4h 13m
United Airlines
Deal found 2/8![United Airlines logo]()
$224
This Booking.com deal was found by Cheapflights users on 2/10. 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.
do 4/26:35 am
LAS
- RFD
Nonstop3h 20m
Allegiant Air
zo 4/512:45 pm
RFD
- LAS
Nonstop3h 49m
Allegiant Air
Deal found 2/10![Allegiant Air logo]()
$229
This Delta deal was found by Cheapflights users on 2/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
za 5/1612:00 pm
LAS
- MDW
1 stop7h 09m
Delta
di 5/191:22 pm
MDW
- LAS
1 stop8h 21m
Delta
Deal found 2/9![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 2/8. 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.
vr 2/279:05 am
LAS
- ORD
Nonstop3h 40m
Southwest
zo 3/17:15 am
ORD
- LAS
Nonstop4h 15m
Southwest
Deal found 2/8![Southwest logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
do 4/308:14 am
LAS
- STL
1 stop8h 58m
Frontier
za 5/28:12 pm
STL
- LAS
1 stop12h 52m
Frontier
Deal found 2/9![Frontier logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
do 5/286:15 am
LAS
- MLI
Nonstop3h 15m
Allegiant Air
do 6/412:29 pm
MLI
- LAS
Nonstop3h 26m
Allegiant Air
Deal found 2/10![Allegiant Air logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
do 4/96:40 am
LAS
- RFD
Nonstop3h 20m
Multiple Airlines
ma 4/138:35 pm
RFD
- LAS
1 stop15h 44m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$233
This Delta deal was found by Cheapflights users on 2/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vr 5/1512:45 am
LAS
- MDW
1 stop5h 57m
Delta
wo 5/201:22 pm
MDW
- LAS
1 stop6h 43m
Delta
Deal found 2/9![Delta logo]()
$237
This United Airlines deal was found by Cheapflights users on 2/10. 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.
ma 3/3011:59 pm
LAS
- ORD
Nonstop3h 39m
United Airlines
wo 4/14:15 pm
ORD
- LAS
Nonstop4h 12m
United Airlines
Deal found 2/10![United Airlines logo]()
$243
This Southwest deal was found by Cheapflights users on 2/11. 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.
za 5/97:40 am
LAS
- MDW
1 stop4h 55m
Southwest
za 5/96:25 pm
MDW
- LAS
Nonstop3h 55m
Southwest
Deal found 2/11![Southwest logo]()
$227
This Cheapflightsfares deal was found by Cheapflights users on 2/8. 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.
di 3/171:51 pm
LAS
- STL
Nonstop3h 20m
Frontier
vr 3/2012:14 pm
STL
- LAS
Nonstop3h 57m
Frontier
Deal found 2/8![Frontier logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
do 7/97:00 am
LAS
- RFD
Nonstop3h 24m
Allegiant Air
zo 7/121:14 pm
RFD
- LAS
Nonstop3h 39m
Allegiant Air
Deal found 2/11![Allegiant Air logo]()
$239
This Expedia deal was found by Cheapflights users on 2/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wo 5/610:19 am
LAS
- ORD
2 stops11h 40m
Multiple Airlines
wo 5/136:00 am
ORD
- LAS
1 stop6h 26m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$243
This Delta deal was found by Cheapflights users on 2/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
za 5/1612:45 am
LAS
- MDW
1 stop5h 57m
Delta
di 5/197:00 pm
MDW
- LAS
1 stop6h 22m
Delta
Deal found 2/9![Delta logo]()
$247
Last-minute flights from Las Vegas to IllinoisDiscover last-minute flight deals from Las Vegas to Illinois. Data last updated februari 11, 2026 and is based on user searches.
Discover last-minute flight deals from Las Vegas to Illinois. Data last updated februari 11, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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.
do 2/2611:37 am
LAS
- ORD
Nonstop3h 47m
Frontier
ma 3/27:45 am
ORD
- LAS
1 stop12h 08m
Frontier
Deal found 2/10![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
vr 2/276:00 pm
LAS
- ORD
2 stops27h 17m
Frontier
za 3/78:55 pm
ORD
- LAS
Nonstop4h 20m
Frontier
Deal found 2/8![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
di 3/311:03 pm
LAS
- STL
1 stop21h 24m
Frontier
zo 3/86:19 pm
STL
- LAS
Nonstop3h 50m
Frontier
Deal found 2/8![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
wo 3/44:31 pm
LAS
- ORD
1 stop20h 23m
Frontier
ma 3/98:55 pm
ORD
- LAS
Nonstop4h 20m
Frontier
Deal found 2/9![Frontier logo]()
$139
This Super.com deal was found by Cheapflights users on 2/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 3/512:25 am
LAS
- ORD
Nonstop3h 43m
Frontier
ma 3/98:55 pm
ORD
- LAS
Nonstop4h 20m
Frontier
Deal found 2/7![Frontier logo]()
$137
This Cheapflightsfares deal was found by Cheapflights users on 2/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma 3/912:25 am
LAS
- ORD
Nonstop3h 43m
Frontier
di 3/244:18 pm
ORD
- LAS
1 stop21h 37m
Frontier
Deal found 2/9![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
di 3/109:20 pm
LAS
- STL
1 stop10h 29m
Frontier
zo 3/158:06 pm
STL
- LAS
Nonstop4h 02m
Frontier
Deal found 2/10![Frontier logo]()
$141
This Super.com deal was found by Cheapflights users on 2/10. 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.
wo 3/116:05 am
LAS
- STL
Nonstop3h 14m
Frontier
zo 3/158:06 pm
STL
- LAS
Nonstop4h 02m
Frontier
Deal found 2/10![Frontier logo]()
$117
This Trip.com deal was found by Cheapflights users on 2/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wo 3/1112:25 am
LAS
- ORD
Nonstop3h 43m
Multiple Airlines
di 3/174:36 pm
ORD
- LAS
1 stop9h 13m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$140
This Super.com deal was found by Cheapflights users on 2/10. 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.
wo 3/186:05 am
LAS
- STL
Nonstop3h 14m
Frontier
zo 3/228:06 pm
STL
- LAS
Nonstop4h 02m
Frontier
Deal found 2/10![Frontier logo]()
$122
This Super.com deal was found by Cheapflights users on 2/9. 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.
wo 3/2512:25 am
LAS
- ORD
Nonstop3h 43m
Frontier
ma 3/308:55 pm
ORD
- LAS
Nonstop4h 20m
Frontier
Deal found 2/9![Frontier logo]()
$141
This Super.com deal was found by Cheapflights users on 2/8. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vr 3/276:05 am
LAS
- STL
Nonstop3h 14m
Frontier
ma 3/3012:14 pm
STL
- LAS
Nonstop3h 57m
Frontier
Deal found 2/8![Frontier logo]()
$126
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 februari 11, 2026.
Search for one-way flight options from Las Vegas to Illinois. Find affordable one-way fares based on user searches. Data last updated februari 11, 2026.
This Frontier deal was found by Cheapflights users on 2/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vr 3/66:05 am
LAS
- STL
Nonstop3h 14m
Frontier
Deal found 2/9![Frontier logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
di 3/109:20 pm
LAS
- STL
1 stop10h 29m
Frontier
Deal found 2/9![Frontier logo]()
$60
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
di 3/316:05 am
LAS
- STL
Nonstop3h 14m
Frontier
Deal found 2/10![Frontier logo]()
$63
This Cheapflightsfares deal was found by Cheapflights users on 2/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 2/264:10 pm
LAS
- STL
Nonstop3h 16m
Frontier
Deal found 2/7![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
za 5/97:00 am
LAS
- STL
1 stop10h 12m
Frontier
Deal found 2/11![Frontier logo]()
$66
This Super.com deal was found by Cheapflights users on 2/9. 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.
do 4/97:00 am
LAS
- STL
Nonstop3h 19m
Frontier
Deal found 2/9![Frontier logo]()
$68
This Cheapflightsfares deal was found by Cheapflights users on 2/11. 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.
di 3/33:16 pm
LAS
- STL
1 stop22h 37m
Frontier
Deal found 2/11![Frontier logo]()
$70
This Super.com deal was found by Cheapflights users on 2/8. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
za 3/76:05 am
LAS
- STL
Nonstop3h 14m
Frontier
Deal found 2/8![Frontier logo]()
$73
This Cheapflightsfares deal was found by Cheapflights users on 2/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma 3/96:05 am
LAS
- STL
Nonstop3h 14m
Frontier
Deal found 2/9![Frontier logo]()
$74
This WAYA deal was found by Cheapflights users on 2/10. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
di 3/1712:59 am
LAS
- STL
1 stop6h 50m
Frontier
Deal found 2/10![Frontier logo]()
$75
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
wo 4/2911:29 am
LAS
- MDW
1 stop25h 20m
Frontier
Deal found 2/8![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
zo 5/1012:59 am
LAS
- ORD
1 stop6h 51m
Frontier
Deal found 2/8![Frontier logo]()
$88
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 februari 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $117 (Super.com) |
One-way from | $59 (Frontier) |
Popular in | December |
Cheapest in | September |
Average price | $272 |
Good round-trip deal | $236 or less |
Good one-way deal | $112 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 2,558,603 searches. Data last updated februari 11, 2026.
Use the filters below to find and compare flights from Las Vegas to Illinois that are best for you.
Fly from
Las Vegas
Fly to
Illinois
Route
Depart
Return
Price
Las VegasSt. Louis
LAS - STL
LASSTL
Las Vegas Harry Reid Intl
wo 3/18
6:05 am-11:19 am
Nonstop3h 14m
Lambert-St Louis
zo 3/22
8:06 pm-10:08 pm
Nonstop4h 02m
$122
Las VegasSt. Louis
LAS - STL
LASSTL
Las Vegas Harry Reid Intl
vr 3/27
6:05 am-11:19 am
Nonstop3h 14m
Lambert-St Louis
ma 3/30
12:14 pm-2:11 pm
Nonstop3h 57m
$126
Las VegasChicago
LAS - ORD
LASORD
Las Vegas Harry Reid Intl
wo 3/25
12:25 am-6:08 am
Nonstop3h 43m
Chicago O'Hare Intl
ma 3/30
8:55 pm-11:15 pm
Nonstop4h 20m
$143
Las VegasSt. Louis
LAS - STL
LASSTL
Las Vegas Harry Reid Intl
wo 3/11
6:05 am-11:19 am
Nonstop3h 14m
Lambert-St Louis
ma 3/16
8:12 pm-8:15 pm
1 stop26h 03m
$151
Las VegasChicago
LAS - ORD
LASORD
Las Vegas Harry Reid Intl
do 3/5
12:25 am-6:08 am
Nonstop3h 43m
Chicago O'Hare Intl
di 3/10
7:00 am-12:52 pm
1 stop7h 52m
$152
Las VegasSt. Louis
LAS - STL
LASSTL
Las Vegas Harry Reid Intl
do 3/12
1:51 pm-7:11 pm
Nonstop3h 20m
Lambert-St Louis
zo 3/15
8:06 pm-10:08 pm
Nonstop4h 02m
$152
Las VegasSt. Louis
LAS - STL
LASSTL
Las Vegas Harry Reid Intl
do 4/30
8:14 am-7:12 pm
1 stop8h 58m
Lambert-St Louis
za 5/2
8:12 pm-7:04 am
1 stop12h 52m
$153
Las VegasSt. Louis
LAS - STL
LASSTL
Las Vegas Harry Reid Intl
di 3/17
1:51 pm-7:11 pm
Nonstop3h 20m
Lambert-St Louis
vr 3/20
12:14 pm-2:11 pm
Nonstop3h 57m
$156
Las VegasChicago
LAS - ORD
LASORD
Las Vegas Harry Reid Intl
za 4/18
7:00 am-12:47 pm
Nonstop3h 47m
Chicago O'Hare Intl
za 4/25
4:15 pm-6:27 pm
Nonstop4h 12m
$197
Las VegasChicago
LAS - MDW
LASMDW
Las Vegas Harry Reid Intl
di 5/12
4:25 pm-10:00 pm
Nonstop3h 35m
Chicago Midway
di 5/19
8:55 pm-10:50 pm
Nonstop3h 55m
$197
Showing 1-10 of 60 results
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-STL
LAS-MDW
LAS-ORD
LAS-RFD
LAS-BMI
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-STL
LAS-MDW
LAS-ORD
LAS-RFD
What is the cheapest month to book a flight from Las Vegas to Illinois?
Currently, April is the cheapest month in which you can book a flight from Las Vegas to Illinois (average of $55). Flying from Las Vegas to Illinois in June is currently the most expensive (average of $130). 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 februari 11, 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 29% versus a flight in the evening.
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 February 7, 2026.
Travelers seeking maximum savings on their Las Vegas to Illinois flight should consider departing on Saturday mornings 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 februari 11, 2026.
Get a feel of what it's like to fly with Southwest, United Airlines, and American Airlines 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.
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentGina,Jul 2025
LAS - DEN
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentGina,Jul 2025
LAS - DEN
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentGina,Jul 2025
LAS - DEN
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentGina,Jul 2025
LAS - DEN
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentGina,Jul 2025
LAS - DEN
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentGina,Jul 2025
LAS - DEN
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
Toggle through the tabs below to find thousands of 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 februari 11, 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 8 airlines flying from Las Vegas to Illinois
Discover the top 8 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 2,558,603 searches. Data last updated februari 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$43 | Average$197 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$60 | Average$154 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$91 | Average$192 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$118 | Average$318 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$120 | Average$328 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$154 | Average$361 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$159 | Average$290 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$159 | Average$364 | FlexibilityNo cancel fee | On-time71% |