When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 50 days in advance, which can save you up to 139% on flights from Tucson to Illinois compared to booking the week you need them. Waiting 50 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 $589. For sooner than that we have options available in the next 3 days from $748.
April can be a great time to fly to Illinois from Tucson with a flight ticket averaging about $422. Cheapflights users have found deals in the month of April for as cheap as $208. The most expensive prices can be found in the month of July.
When flying from Tucson to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Fly from
Fly to
Budget
$279 - $487
Route
Depart
Return
Price
TucsonLambert-St Louis
TUS - STL
TUSSTL
Tucson
Tue 7/2
1 stop4h 56m
Lambert-St Louis
Tue 7/9
1 stop6h 31m
TucsonLambert-St Louis
TUS - STL
TUSSTL
Tucson
Tue 7/2
1 stop5h 18m
Lambert-St Louis
Tue 7/9
2 stops7h 58m
TucsonLambert-St Louis
TUS - STL
TUSSTL
Tucson
Wed 9/11
1 stop5h 58m
Lambert-St Louis
Wed 9/18
1 stop5h 23m
TucsonLambert-St Louis
TUS - STL
TUSSTL
Tucson
Thu 8/29
1 stop5h 55m
Lambert-St Louis
Tue 9/3
1 stop9h 17m
TucsonLambert-St Louis
TUS - STL
TUSSTL
Tucson
Thu 7/4
1 stop4h 34m
Lambert-St Louis
Wed 7/10
2 stops8h 02m
TucsonLambert-St Louis
TUS - STL
TUSSTL
Tucson
Thu 8/29
1 stop4h 51m
Lambert-St Louis
Tue 9/3
2 stops6h 44m
TucsonLambert-St Louis
TUS - STL
TUSSTL
Tucson
Sat 7/13
1 stop8h 57m
Lambert-St Louis
Sat 7/20
1 stop7h 57m
TucsonChicago O'Hare Intl
TUS - ORD
TUSORD
Tucson
Sat 8/31
1 stop6h 55m
Chicago O'Hare Intl
Tue 9/3
Nonstop4h 06m
TucsonChicago O'Hare Intl
TUS - ORD
TUSORD
Tucson
Sat 8/31
1 stop11h 32m
Chicago O'Hare Intl
Tue 9/3
2 stops25h 50m
No data available for this route at this time. Please check back soon.
Boarding
Crew
Overall
Entertainment
Comfort
Food
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Boarding
Crew
Overall
Entertainment
Comfort
Food
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Boarding
Crew
Overall
Entertainment
Comfort
Food
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Boarding
Crew
Overall
Entertainment
Comfort
Food
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Boarding
Crew
Overall
Entertainment
Comfort
Food
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Boarding
Crew
Overall
Entertainment
Comfort
Food
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
28%of flight departures | Early morningMidnight to 6 am |
---|---|
72%of flight departures | Morning6 am to noon |
0%of flight departures | AfternoonNoon to 6 pm |
0%of flight departures | Evening6 pm to midnight |
Deals for Tucson to Illinois flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Millions of users choose and trust Cheapflights to book the best flight deals from Tucson to Illinois for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Cheapflights does show flights with no change fees to all users. To see these options for flights from Tucson to Illinois, users can toggle the no change fees filter when performing a flight search.
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Illinois from Tucson today and book when prices fit your budget.