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 $421. 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
$272 - $454
Route
Depart
Return
Price
TucsonLambert-St Louis
TUS - STL
TUSSTL
Tucson
Mon 7/1
1 stop4h 34m
Lambert-St Louis
Thu 7/4
1 stop7h 39m
TucsonLambert-St Louis
TUS - STL
TUSSTL
Tucson
Mon 7/1
1 stop4h 34m
Lambert-St Louis
Thu 7/4
2 stops7h 21m
TucsonLambert-St Louis
TUS - STL
TUSSTL
Tucson
Fri 9/27
1 stop4h 27m
Lambert-St Louis
Mon 9/30
1 stop4h 59m
TucsonLambert-St Louis
TUS - STL
TUSSTL
Tucson
Tue 7/23
1 stop5h 55m
Lambert-St Louis
Fri 7/26
1 stop7h 31m
TucsonMoline Quad-City
TUS - MLI
TUSMLI
Tucson
Thu 9/12
1 stop5h 27m
Moline Quad-City
Mon 9/23
1 stop6h 20m
TucsonLambert-St Louis
TUS - STL
TUSSTL
Tucson
Thu 11/21
1 stop6h 18m
Lambert-St Louis
Tue 11/26
1 stop6h 26m
TucsonChicago O'Hare Intl
TUS - ORD
TUSORD
Tucson
Sat 8/17
1 stop8h 46m
Chicago O'Hare Intl
Tue 8/20
1 stop31h 36m
TucsonLambert-St Louis
TUS - STL
TUSSTL
Tucson
Fri 9/27
1 stop6h 38m
Lambert-St Louis
Mon 9/30
2 stops11h 58m
TucsonChicago O'Hare Intl
TUS - ORD
TUSORD
Tucson
Mon 9/2
2 stops12h 22m
Chicago O'Hare Intl
Tue 9/17
2 stops25h 50m
No data available for this route at this time. Please check back soon.
Comfort
Entertainment
Overall
Boarding
Crew
Food
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Comfort
Entertainment
Overall
Boarding
Crew
Food
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Comfort
Entertainment
Overall
Boarding
Crew
Food
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Comfort
Entertainment
Overall
Boarding
Crew
Food
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Comfort
Entertainment
Overall
Boarding
Crew
Food
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Comfort
Entertainment
Overall
Boarding
Crew
Food
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
73%of flight departures | Early morningMidnight to 6 am |
---|---|
27%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.