When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 44 days in advance, which can save you up to 110% on flights from Las Vegas to Illinois compared to booking the week you need them. Waiting 44 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $160. For sooner than that we have options available in the next 3 days from $299.
Flights from Las Vegas to Illinois lean towards being more expensive in December. Prices are generally better when you fly from Las Vegas to Illinois in October, with the cheapest ticket starting at $78.
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.
Fly from
Fly to
Budget
$54 - $138
Route
Depart
Return
Price
Las Vegas Harry Reid IntlLambert-St Louis
LAS - STL
LASSTL
Las Vegas Harry Reid Intl
mié. 6/12
Nonstop3h 16m
Lambert-St Louis
lun. 6/17
Nonstop3h 46m
Las Vegas Harry Reid IntlLambert-St Louis
LAS - STL
LASSTL
Las Vegas Harry Reid Intl
vie. 5/31
Nonstop3h 12m
Lambert-St Louis
lun. 6/3
Nonstop3h 48m
Las Vegas Harry Reid IntlLambert-St Louis
LAS - STL
LASSTL
Las Vegas Harry Reid Intl
jue. 8/15
Nonstop3h 17m
Lambert-St Louis
lun. 8/19
Nonstop3h 37m
Las Vegas Harry Reid IntlLambert-St Louis
LAS - STL
LASSTL
Las Vegas Harry Reid Intl
jue. 5/30
Nonstop3h 22m
Lambert-St Louis
mié. 6/5
Nonstop3h 46m
Las Vegas Harry Reid IntlChicago O'Hare Intl
LAS - ORD
LASORD
Las Vegas Harry Reid Intl
vie. 6/7
1 stop20h 10m
Chicago O'Hare Intl
sáb. 6/8
Nonstop3h 55m
Las Vegas Harry Reid IntlLambert-St Louis
LAS - STL
LASSTL
Las Vegas Harry Reid Intl
sáb. 9/7
Nonstop3h 16m
Lambert-St Louis
mar. 9/10
Nonstop3h 35m
Las Vegas Harry Reid IntlChicago O'Hare Intl
LAS - ORD
LASORD
Las Vegas Harry Reid Intl
mar. 6/11
1 stop9h 02m
Chicago O'Hare Intl
mar. 6/18
Nonstop4h 09m
Las Vegas Harry Reid IntlChicago Greater Rockford
LAS - RFD
LASRFD
Las Vegas Harry Reid Intl
jue. 8/8
Nonstop3h 26m
Chicago Greater Rockford
dom. 8/11
Nonstop3h 34m
Las Vegas Harry Reid IntlChicago O'Hare Intl
LAS - ORD
LASORD
Las Vegas Harry Reid Intl
jue. 5/30
1 stop9h 39m
Chicago O'Hare Intl
jue. 6/6
1 stop6h 24m
No data available for this route at this time. Please check back soon.
Entertainment
Boarding
Food
Overall
Crew
Comfort
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Entertainment
Boarding
Food
Overall
Crew
Comfort
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Entertainment
Boarding
Food
Overall
Crew
Comfort
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Entertainment
Boarding
Food
Overall
Crew
Comfort
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Entertainment
Boarding
Food
Overall
Crew
Comfort
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Entertainment
Boarding
Food
Overall
Crew
Comfort
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
27%of flight departures | Early morningMidnight to 6 am |
---|---|
37%of flight departures | Morning6 am to noon |
26%of flight departures | AfternoonNoon to 6 pm |
10%of flight departures | Evening6 pm to midnight |
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Las Vegas to Illinois. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Las Vegas to Illinois for you. Better yet — we are completely free to use.
Users can book flights with no change fees policies with our dedicated filters. Book flights from Las Vegas to Illinois flexibly with Cheapflights today.
Yes! Start tracking prices for Las Vegas to Illinois flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.