TUS

$62 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 11/27. 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
$199
Overall average: $362
Frontier
Thu 1/22Sun 1/25
STL - TUS • 1 stop
Cheapest non-stop
$396
Typical prices: $434-$551
American Airlines
Wed 12/17Thu 12/25
ORD - TUS • Non-stop
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Flight Deals
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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

Thu, Jan 22 - Sun, Jan 25
Frontier Logo
5:44 pm - 9:09 pmSTL-TUS
28h 25m1 stop
Frontier Logo
10:11 pm - 10:02 amTUS-STL
10h 51m2 stops
$199Frontier
Find Deal
Fri, Dec 19 - Thu, Jan 8
Frontier Logo
7:43 pm - 6:58 pmSTL-TUS
48h 15m2 stops
Frontier Logo
2:02 pm - 12:12 pmTUS-STL
21h 10m1 stop
$212Frontier
Find Deal
Mon, Nov 24 - Mon, Nov 24
Delta Logo
6:34 am - 11:35 amSTL-TUS
6h 01m1 stop
Delta Logo
5:28 pm - 12:46 amTUS-STL
6h 18m1 stop
$267Delta
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Wed, Feb 18 - Tue, Feb 24
United Airlines Logo
8:49 am - 1:40 pmMLI-TUS
5h 51m1 stop
United Airlines Logo
8:37 am - 3:17 pmTUS-MLI
5h 40m1 stop
$269United Airlines
Find Deal
Fri, Dec 5 - Mon, Dec 8
American Airlines Logo
4:19 pm - 9:15 pmPIA-TUS
5h 56m1 stop
American Airlines Logo
4:54 pm - 10:59 pmTUS-PIA
5h 05m1 stop
$269American Airlines
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Tue, Feb 17 - Sat, Feb 21
American Airlines Logo
3:34 pm - 11:06 pmSTL-TUS
8h 32m1 stop
American Airlines Logo
2:47 pm - 11:21 pmTUS-STL
7h 34m2 stops
$272American Airlines
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Wed, Feb 18 - Tue, Feb 24
United Airlines Logo
10:51 am - 9:49 pmMLI-TUS
11h 58m2 stops
United Airlines Logo
2:42 pm - 9:14 pmTUS-MLI
5h 32m1 stop
$274United Airlines
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Tue, Apr 7 - Tue, Apr 14
Delta Logo
6:00 am - 11:24 amSTL-TUS
7h 24m1 stop
Delta Logo
5:00 pm - 12:36 amTUS-STL
5h 36m1 stop
$287Delta
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Sat, Dec 6 - Tue, Dec 9
Southwest Logo
6:15 am - 11:25 amSTL-TUS
6h 10m1 stop
Southwest Logo
10:55 am - 8:00 pmTUS-STL
8h 05m2 stops
$292Southwest
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Thu, Dec 4 - Tue, Dec 9
Southwest Logo
10:35 am - 5:40 pmSTL-TUS
8h 05m2 stops
Southwest Logo
10:40 am - 8:00 pmTUS-STL
8h 20m2 stops
$317Southwest
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Good to know

Low seasonJuly
Cheapest flight$62
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 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.

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Tucson (TUS)