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 9/30. 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

Wed, Sep 23 - Sat, Sep 26
American Airlines Logo
6:00 am - 12:20 pm
MLI
-
TUS
8h 20m
2 stops
American Airlines Logo
3:54 pm - 11:18 pm
TUS
-
MLI
5h 24m
1 stop
$326American Airlines
Fri, Sep 4 - Wed, Sep 9
American Airlines Logo
6:45 pm - 10:57 pm
MLI
-
TUS
6h 12m
1 stop
American Airlines Logo
3:54 pm - 11:18 pm
TUS
-
MLI
5h 24m
1 stop
$330American 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
$349United Airlines
Tue, Aug 18 - Wed, Aug 19
United Airlines Logo
4:40 pm - 8:30 pm
STL
-
TUS
5h 50m
1 stop
United Airlines Logo
7:02 am - 6:39 pm
TUS
-
STL
9h 37m
1 stop
$350United Airlines
Thu, Oct 22 - Sat, Oct 24
Southwest Logo
2:25 pm - 6:00 pm
STL
-
TUS
5h 35m
1 stop
Southwest Logo
5:00 pm - 11:35 pm
TUS
-
STL
4h 35m
1 stop
$355Southwest
Thu, Oct 22 - Mon, Oct 26
Southwest Logo
2:00 pm - 5:25 pm
STL
-
TUS
5h 25m
1 stop
Southwest Logo
5:15 pm - 1:15 am
TUS
-
STL
6h 00m
1 stop
$355Southwest
Tue, Jan 5 - Mon, Jan 11
Delta Logo
9:00 am - 2:54 pm
STL
-
TUS
6h 54m
1 stop
Delta Logo
2:30 pm - 11:18 pm
TUS
-
STL
7h 48m
1 stop
$355Delta
Tue, Aug 18 - Tue, Aug 18
Delta Logo
6:00 am - 12:18 pm
STL
-
TUS
8h 18m
1 stop
Delta Logo
4:31 pm - 12:41 am
TUS
-
STL
6h 10m
1 stop
$355Delta
Sat, Dec 26 - Sun, Jan 3
Sun Country Air Logo
8:30 pm - 6:38 pm
ORD
-
TUS
23h 08m
1 stop
Sun Country Air Logo
7:34 pm - 5:37 pm
TUS
-
ORD
21h 03m
1 stop
$395Sun Country Air
Thu, Nov 26 - Mon, Dec 7
Alaska Airlines Logo
6:07 am - 4:34 pm
ORD
-
TUS
11h 27m
1 stop
Alaska Airlines Logo
8:10 am - 7:55 pm
TUS
-
ORD
10h 45m
1 stop
$400Alaska Airlines
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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)