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
$60 - $176
Route
Depart
Return
Price
Las Vegas Harry Reid IntlLambert-St Louis
LAS - STL
LASSTL
Las Vegas Harry Reid Intl
Thu 8/15
Nonstop3h 17m
Lambert-St Louis
Mon 8/19
Nonstop3h 37m
Las Vegas Harry Reid IntlLambert-St Louis
LAS - STL
LASSTL
Las Vegas Harry Reid Intl
Fri 6/21
Nonstop3h 12m
Lambert-St Louis
Wed 6/26
Nonstop3h 46m
Las Vegas Harry Reid IntlChicago O'Hare Intl
LAS - ORD
LASORD
Las Vegas Harry Reid Intl
Sat 6/1
1 stop27h 32m
Chicago O'Hare Intl
Sun 6/2
Nonstop4h 02m
Las Vegas Harry Reid IntlLambert-St Louis
LAS - STL
LASSTL
Las Vegas Harry Reid Intl
Wed 6/12
Nonstop3h 16m
Lambert-St Louis
Mon 6/17
Nonstop3h 46m
Las Vegas Harry Reid IntlLambert-St Louis
LAS - STL
LASSTL
Las Vegas Harry Reid Intl
Thu 8/15
Nonstop3h 17m
Lambert-St Louis
Sun 8/18
Nonstop3h 37m
Las Vegas Harry Reid IntlLambert-St Louis
LAS - STL
LASSTL
Las Vegas Harry Reid Intl
Thu 9/19
Nonstop3h 17m
Lambert-St Louis
Sun 9/22
Nonstop3h 37m
Las Vegas Harry Reid IntlChicago O'Hare Intl
LAS - ORD
LASORD
Las Vegas Harry Reid Intl
Tue 6/4
Nonstop3h 47m
Chicago O'Hare Intl
Tue 6/11
Nonstop3h 54m
Las Vegas Harry Reid IntlChicago O'Hare Intl
LAS - ORD
LASORD
Las Vegas Harry Reid Intl
Thu 5/30
1 stop15h 23m
Chicago O'Hare Intl
Thu 6/6
1 stop6h 24m
Las Vegas Harry Reid IntlChicago Greater Rockford
LAS - RFD
LASRFD
Las Vegas Harry Reid Intl
Thu 7/11
Nonstop3h 26m
Chicago Greater Rockford
Sun 7/14
Nonstop3h 34m
No data available for this route at this time. Please check back soon.
Crew
Boarding
Comfort
Overall
Food
Entertainment
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Crew
Boarding
Comfort
Overall
Food
Entertainment
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Crew
Boarding
Comfort
Overall
Food
Entertainment
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Crew
Boarding
Comfort
Overall
Food
Entertainment
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Crew
Boarding
Comfort
Overall
Food
Entertainment
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Crew
Boarding
Comfort
Overall
Food
Entertainment
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
24%of flight departures | Early morningMidnight to 6 am |
---|---|
33%of flight departures | Morning6 am to noon |
30%of flight departures | AfternoonNoon to 6 pm |
13%of flight departures | Evening6 pm to midnight |
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