TUS

$178 Find Cheap Flights from Illinois to Tucson - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Tucson departing on 8/22. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights from Illinois to Tucson

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Tucson that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Illinois to Tucson

Tue, Sep 1 - Sat, Sep 12
Delta Logo
6:00 am - 12:18 pm
MLI
-
TUS
8h 18m
1 stop
Delta Logo
1:45 pm - 10:30 pm
TUS
-
MLI
6h 45m
1 stop
$321Delta
Wed, Sep 2 - Wed, Sep 9
Delta Logo
6:00 am - 12:18 pm
MLI
-
TUS
8h 18m
1 stop
Delta Logo
1:45 pm - 10:30 pm
TUS
-
MLI
6h 45m
1 stop
$321Delta
Wed, Sep 2 - Sat, Sep 12
Delta Logo
6:00 am - 12:18 pm
MLI
-
TUS
8h 18m
1 stop
Delta Logo
1:45 pm - 10:30 pm
TUS
-
MLI
6h 45m
1 stop
$321Delta
Tue, Oct 27 - Sat, Oct 31
American Airlines Logo
4:43 pm - 11:26 pm
PIA
-
TUS
8h 43m
1 stop
American Airlines Logo
8:00 am - 3:52 pm
TUS
-
PIA
5h 52m
1 stop
$339American Airlines
Thu, Sep 3 - Tue, Sep 8
American Airlines Logo
6:48 pm - 10:57 pm
PIA
-
TUS
6h 09m
1 stop
American Airlines Logo
3:58 pm - 11:19 pm
TUS
-
PIA
5h 21m
1 stop
$339American Airlines
Tue, Oct 27 - Sat, Oct 31
American Airlines Logo
4:43 pm - 11:26 pm
PIA
-
TUS
8h 43m
1 stop
American Airlines Logo
1:23 pm - 12:10 am
TUS
-
PIA
8h 47m
2 stops
$344American Airlines
Sat, Aug 22 - Sat, Aug 29
Southwest Logo
2:15 pm - 6:25 pm
STL
-
TUS
6h 10m
1 stop
Southwest Logo
7:50 am - 3:30 pm
TUS
-
STL
5h 40m
1 stop
$350Southwest
Sat, Aug 22 - Sat, Aug 29
Southwest Logo
7:10 am - 12:40 pm
STL
-
TUS
7h 30m
2 stops
Southwest Logo
7:50 am - 3:30 pm
TUS
-
STL
5h 40m
1 stop
$356Southwest
Wed, Aug 26 - Wed, Sep 2
United Airlines Logo
6:15 am - 10:20 am
STL
-
TUS
6h 05m
1 stop
United Airlines Logo
5:30 am - 5:06 pm
TUS
-
STL
9h 36m
2 stops
$360United Airlines
Tue, Oct 27 - Sat, Oct 31
United Airlines Logo
6:25 am - 12:24 pm
PIA
-
TUS
7h 59m
2 stops
United Airlines Logo
9:42 am - 9:13 pm
TUS
-
PIA
9h 31m
2 stops
$369United Airlines
Useful Info

Good to know

Low season

June

Cheapest flight

$178
Best time to beat the crowds but there is an average 10% increase in price.
Most popular time to fly and prices are also 9% lower on average.
Flight from St. Louis to Tucson

FAQs for booking flights from Illinois to Tucson

  • How does KAYAK find such low prices on flights from Illinois to Tucson?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Tucson.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Tucson?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Tucson from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Illinois to Tucson?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Tucson with an airline and back to Illinois with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Tucson?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Tucson from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Tucson

Information on the airport you'll fly into in Tucson

Tucson (TUS)