TUS

$65 Find Cheap Flights from Illinois to Tucson

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 12/15. 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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Everything you should know

Cheapest round-trip
$251
Overall average: $366
Multiple Airlines
Wed 2/4Thu 2/12
STL - TUS • 1 stop
Cheapest non-stop
$335
Typical prices: $421-$579
American Airlines
Sat 12/6Wed 12/10
ORD - TUS • Non-stop
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We hope you love your trip to Tucson!
Flight Deals
Useful Info
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, Feb 4 - Thu, Feb 12
Multiple Airlines Logo
2:50 pm - 11:59 pmSTL-TUS
10h 09m1 stop
Multiple Airlines Logo
10:11 pm - 4:49 pmTUS-STL
17h 38m1 stop
$251Multiple Airlines
Find Deal
Wed, Feb 4 - Thu, Feb 12
Multiple Airlines Logo
2:50 pm - 9:28 pmSTL-TUS
31h 38m2 stops
Multiple Airlines Logo
10:11 pm - 4:49 pmTUS-STL
17h 38m1 stop
$259Multiple Airlines
Find Deal
Tue, Feb 17 - Sat, Feb 21
American Airlines Logo
2:30 pm - 8:57 pmSTL-TUS
7h 27m1 stop
American Airlines Logo
5:04 pm - 11:21 pmTUS-STL
5h 17m1 stop
$267American Airlines
Find Deal
Sat, Jan 10 - Sun, Jan 18
American Airlines Logo
4:20 pm - 10:55 pmPIA-TUS
7h 35m1 stop
American Airlines Logo
12:54 pm - 9:43 pmTUS-PIA
7h 49m1 stop
$269American Airlines
Find Deal
Sat, Jan 10 - Sat, Jan 17
United Airlines Logo
8:46 am - 4:37 pmMLI-TUS
8h 51m1 stop
United Airlines Logo
2:32 pm - 9:16 pmTUS-MLI
5h 44m1 stop
$269United Airlines
Find Deal
Sat, Jan 10 - Sat, Jan 17
United Airlines Logo
8:46 am - 1:30 pmMLI-TUS
5h 44m1 stop
United Airlines Logo
9:50 am - 9:36 pmTUS-MLI
10h 46m2 stops
$274United Airlines
Find Deal
Mon, Dec 29 - Thu, Jan 8
Frontier Logo
10:10 pm - 6:35 pmSTL-TUS
21h 25m1 stop
Frontier Logo
9:59 pm - 10:02 amTUS-STL
35h 03m2 stops
$281Frontier
Find Deal
Wed, Dec 17 - Wed, Dec 24
Southwest Logo
5:00 am - 12:40 pmSTL-TUS
8h 40m2 stops
Southwest Logo
1:15 pm - 9:35 pmTUS-STL
7h 20m1 stop
$282Southwest
Find Deal
Mon, Dec 29 - Thu, Jan 8
Frontier Logo
10:10 pm - 6:35 pmSTL-TUS
21h 25m1 stop
Frontier Logo
9:59 pm - 9:21 pmTUS-STL
22h 22m1 stop
$285Frontier
Find Deal
Wed, Dec 10 - Sat, Dec 13
Southwest Logo
8:30 am - 11:20 amMDW-TUS
3h 50mnonstop
Southwest Logo
7:40 am - 11:50 amTUS-MDW
3h 10mnonstop
$335Southwest
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Useful Info

Good to know

Low seasonJuly
Cheapest flight$65
Best time to beat the crowds with an average 5% drop in price.
Most popular time to fly with an average 5% increase in price.
Flight from Chicago O'Hare Airport 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.

Traveling to a place near Tucson?

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Everything you need to know for your flight to Tucson

Information on the airport you'll fly into in Tucson

Tucson (TUS)