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.

$178 CHEAP FLIGHTS from Illinois to Tucson

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Flight Deals

Cheap Flights from Illinois to Tucson

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Illinois to Tucson

Sat, Nov 7 - Wed, Nov 11

5:13 pm - 10:26 pmMLI Moline Quad-City-TUS Tucson

6h 13m1 stop Dallas/Fort Worth

3:33 pm - 12:07 amTUS Tucson-MLI Moline Quad-City

7h 34m1 stop Chicago O'Hare Intl

$321American Airlines

Thu, Dec 17 - Mon, Dec 21

11:45 am - 6:28 pmORD Chicago O'Hare Intl-TUS Tucson

7h 43m1 stop Minneapolis St Paul

7:16 pm - 10:23 amTUS Tucson-ORD Chicago O'Hare Intl

14h 07m1 stop Minneapolis St Paul

$325Sun Country Air

Sat, Nov 7 - Wed, Nov 11

5:13 pm - 10:26 pmMLI Moline Quad-City-TUS Tucson

6h 13m1 stop Dallas/Fort Worth

12:46 pm - 12:07 amTUS Tucson-MLI Moline Quad-City

10h 21m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl

$326American Airlines

Sun, Dec 13 - Fri, Dec 18

11:49 am - 6:27 pmORD Chicago O'Hare Intl-TUS Tucson

7h 38m1 stop Minneapolis St Paul

7:52 pm - 4:47 pmTUS Tucson-ORD Chicago O'Hare Intl

19h 55m1 stop Minneapolis St Paul

$365Sun Country Air

Fri, Dec 4 - Mon, Dec 7

2:50 pm - 9:42 pmSTL Lambert-St Louis-TUS Tucson

7h 52m1 stop Denver Intl

6:30 am - 12:43 pmTUS Tucson-STL Lambert-St Louis

5h 13m1 stop Denver Intl

$370United Airlines

Fri, Dec 4 - Mon, Dec 7

2:25 pm - 9:50 pmSTL Lambert-St Louis-TUS Tucson

8h 25m2 stops Chicago Midway Las Vegas Harry Reid Intl

3:10 pm - 9:05 pmTUS Tucson-STL Lambert-St Louis

4h 55m1 stop Denver Intl

$393Southwest

Wed, Feb 3 - Sat, Feb 6

7:45 pm - 11:12 pmORD Chicago O'Hare Intl-TUS Tucson

4h 27mnonstop

4:08 pm - 8:40 pmTUS Tucson-ORD Chicago O'Hare Intl

3h 32mnonstop

$397United Airlines

Tue, Feb 2 - Mon, Feb 8

3:50 pm - 6:40 pmMDW Chicago Midway-TUS Tucson

3h 50mnonstop

12:25 pm - 4:40 pmTUS Tucson-MDW Chicago Midway

3h 15mnonstop

$397Southwest

Sat, Oct 3 - Thu, Oct 8

6:05 am - 12:37 pmMDW Chicago Midway-TUS Tucson

8h 32m1 stop Atlanta Hartsfield-Jackson

4:45 pm - 8:44 amTUS Tucson-MDW Chicago Midway

13h 59m2 stops Los Angeles Minneapolis St Paul

$411Delta

Tue, Oct 6 - Thu, Oct 8

5:09 pm - 9:55 pmMDW Chicago Midway-TUS Tucson

6h 46m1 stop Atlanta Hartsfield-Jackson

4:45 pm - 8:44 amTUS Tucson-MDW Chicago Midway

13h 59m2 stops Los Angeles Minneapolis St Paul

$411Delta

Recent last minute flight deals from Illinois to Tucson

Wed, Sep 9 - Sat, Sep 12

9:45 am - 11:37 amORD Chicago O'Hare Intl-TUS Tucson

3h 52mnonstop

12:27 pm - 6:18 pmTUS Tucson-ORD Chicago O'Hare Intl

3h 51mnonstop

$437American Airlines

Wed, Sep 9 - Sat, Sep 12

9:45 am - 11:37 amORD Chicago O'Hare Intl-TUS Tucson

3h 52mnonstop

12:09 pm - 8:29 pmTUS Tucson-ORD Chicago O'Hare Intl

6h 20m1 stop Dallas/Fort Worth

$447American Airlines

Wed, Sep 9 - Sat, Sep 12

5:00 am - 8:57 amORD Chicago O'Hare Intl-TUS Tucson

5h 57m1 stop Dallas/Fort Worth

8:36 am - 4:05 pmTUS Tucson-ORD Chicago O'Hare Intl

5h 29m1 stop Phoenix Sky Harbor Intl

$457American Airlines

Wed, Sep 9 - Sat, Sep 12

11:17 am - 8:50 pmORD Chicago O'Hare Intl-TUS Tucson

11h 33m2 stops Detroit Metropolitan Wayne County Los Angeles

12:29 pm - 9:30 pmTUS Tucson-ORD Chicago O'Hare Intl

7h 01m1 stop Los Angeles

$462Delta

Wed, Sep 9 - Sat, Sep 12

11:17 am - 8:50 pmORD Chicago O'Hare Intl-TUS Tucson

11h 33m2 stops Detroit Metropolitan Wayne County Los Angeles

6:35 am - 8:30 pmTUS Tucson-ORD Chicago O'Hare Intl

11h 55m2 stops Los Angeles Detroit Metropolitan Wayne County

$468Delta

Sat, Sep 12 - Sat, Sep 19

3:40 pm - 8:58 pmORD Chicago O'Hare Intl-TUS Tucson

7h 18m1 stop Atlanta Hartsfield-Jackson

7:11 am - 6:56 pmTUS Tucson-ORD Chicago O'Hare Intl

9h 45m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$491Delta

Sat, Sep 12 - Tue, Sep 15

8:40 am - 12:27 pmORD Chicago O'Hare Intl-TUS Tucson

5h 47m1 stop Denver Intl

9:15 am - 7:40 pmTUS Tucson-ORD Chicago O'Hare Intl

8h 25m1 stop Denver Intl

$515United Airlines

Tue, Sep 8 - Tue, Sep 22

5:15 pm - 8:40 pmMDW Chicago Midway-TUS Tucson

5h 25m1 stop Phoenix Sky Harbor Intl

7:25 am - 2:45 pmTUS Tucson-MDW Chicago Midway

5h 20m1 stop Phoenix Sky Harbor Intl

$515Southwest

Tue, Sep 8 - Tue, Sep 22

5:15 pm - 8:40 pmMDW Chicago Midway-TUS Tucson

5h 25m1 stop Phoenix Sky Harbor Intl

7:25 am - 5:10 pmTUS Tucson-MDW Chicago Midway

7h 45m2 stops Phoenix Sky Harbor Intl Tulsa

$520Southwest

Mon, Sep 7 - Mon, Sep 7

9:00 am - 11:13 amORD Chicago O'Hare Intl-TUS Tucson

4h 13mnonstop

1:29 pm - 11:59 pmTUS Tucson-ORD Chicago O'Hare Intl

8h 30m1 stop Denver Intl

$587United Airlines

Useful Info

Low season	August
High season	February
Cheapest flight	$178

Best time to beat the crowds but there is an average 16% increase in price.

Most popular time to fly and prices are also 12% lower on average.

Flight from St. Louis 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.