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

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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, Oct 31 - Sat, Nov 7

7:00 am - 11:10 amMLI Moline Quad-City-TUS Tucson

6h 10m1 stop Dallas/Fort Worth

4:57 pm - 11:48 pmTUS Tucson-MLI Moline Quad-City

5h 51m1 stop Dallas/Fort Worth

$321American Airlines

Sat, Oct 31 - Sat, Nov 7

11:33 am - 5:56 pmMLI Moline Quad-City-TUS Tucson

8h 23m1 stop Dallas/Fort Worth

7:00 am - 4:23 pmTUS Tucson-MLI Moline Quad-City

8h 23m2 stops Dallas/Fort Worth Chicago O'Hare Intl

$326American Airlines

Sat, Oct 31 - Sat, Nov 7

6:00 am - 3:12 pmMLI Moline Quad-City-TUS Tucson

11h 12m2 stops Chicago O'Hare Intl Dallas/Fort Worth

2:21 pm - 12:07 amTUS Tucson-MLI Moline Quad-City

8h 46m2 stops Dallas/Fort Worth Chicago O'Hare Intl

$331American Airlines

Tue, Nov 3 - Tue, Nov 10

2:05 pm - 8:20 pmSTL Lambert-St Louis-TUS Tucson

7h 15m1 stop Phoenix Sky Harbor Intl

12:35 pm - 9:15 pmTUS Tucson-STL Lambert-St Louis

7h 40m1 stop Las Vegas Harry Reid Intl

$376Southwest

Fri, Dec 25 - Thu, Dec 31

6:00 am - 12:00 pmSTL Lambert-St Louis-TUS Tucson

7h 00m1 stop Atlanta Hartsfield-Jackson

2:29 pm - 9:51 pmTUS Tucson-STL Lambert-St Louis

6h 22m1 stop Minneapolis St Paul

$380Delta

Mon, Nov 23 - Fri, Nov 27

2:31 pm - 11:06 pmSTL Lambert-St Louis-TUS Tucson

9h 35m1 stop Atlanta Hartsfield-Jackson

6:00 am - 1:23 pmTUS Tucson-STL Lambert-St Louis

6h 23m1 stop Atlanta Hartsfield-Jackson

$380Delta

Tue, Nov 3 - Tue, Nov 10

6:30 am - 10:50 amSTL Lambert-St Louis-TUS Tucson

5h 20m1 stop Denver Intl

7:10 am - 5:25 pmTUS Tucson-STL Lambert-St Louis

9h 15m2 stops Phoenix Sky Harbor Intl Omaha Eppley Airfield

$381Southwest

Fri, Oct 16 - Sat, Oct 24

5:10 am - 8:43 amSTL Lambert-St Louis-TUS Tucson

5h 33m1 stop Denver Intl

1:40 pm - 11:31 pmTUS Tucson-STL Lambert-St Louis

7h 51m2 stops Denver Intl Chicago O'Hare Intl

$385United Airlines

Tue, Oct 27 - Sat, Oct 31

8:50 am - 11:21 amORD Chicago O'Hare Intl-TUS Tucson

4h 31mnonstop

7:15 am - 1:02 pmTUS Tucson-ORD Chicago O'Hare Intl

3h 47mnonstop

$397United Airlines

Sat, Oct 24 - Sat, Oct 31

7:55 pm - 9:40 pmMDW Chicago Midway-TUS Tucson

3h 45mnonstop

7:25 am - 12:45 pmTUS Tucson-MDW Chicago Midway

3h 20mnonstop

$397Southwest

Recent last minute flight deals from Illinois to Tucson

Sat, Sep 12 - Sat, Sep 19

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

$495American Airlines

Sat, Sep 12 - Sat, Sep 19

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

3h 52mnonstop

2:04 pm - 10:31 pmTUS Tucson-ORD Chicago O'Hare Intl

6h 27m1 stop Phoenix Sky Harbor Intl

$505American Airlines

Sat, Sep 12 - Sat, Sep 19

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

7h 18m1 stop Atlanta Hartsfield-Jackson

4:42 pm - 8:36 amTUS Tucson-ORD Chicago O'Hare Intl

13h 54m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$520Delta

Sat, Sep 12 - Sat, Sep 19

8:25 am - 4:02 pmORD Chicago O'Hare Intl-TUS Tucson

9h 37m2 stops Minneapolis St Paul Salt Lake City

4:42 pm - 8:36 amTUS Tucson-ORD Chicago O'Hare Intl

13h 54m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$525Delta

Tue, Sep 15 - Tue, Sep 22

6:05 am - 12:34 pmMDW Chicago Midway-TUS Tucson

8h 29m1 stop Atlanta Hartsfield-Jackson

1:44 pm - 10:44 pmTUS Tucson-MDW Chicago Midway

7h 00m1 stop Atlanta Hartsfield-Jackson

$535Delta

Sat, Sep 12 - Mon, Sep 14

5:40 am - 12:40 pmMDW Chicago Midway-TUS Tucson

9h 00m1 stop Phoenix Sky Harbor Intl

2:00 pm - 10:00 pmTUS Tucson-MDW Chicago Midway

6h 00m1 stop Denver Intl

$558Southwest

Sat, Sep 12 - Mon, Sep 14

5:40 am - 12:40 pmMDW Chicago Midway-TUS Tucson

9h 00m1 stop Phoenix Sky Harbor Intl

5:35 am - 5:20 pmTUS Tucson-MDW Chicago Midway

9h 45m2 stops Phoenix Sky Harbor Intl Las Vegas Harry Reid Intl

$564Southwest

Sun, Sep 13 - Mon, Sep 14

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

4h 13mnonstop

10:00 am - 3:42 pmTUS Tucson-ORD Chicago O'Hare Intl

3h 42mnonstop

$571United Airlines

Sun, Sep 13 - Mon, Sep 14

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

4h 13mnonstop

1:29 pm - 9:30 pmTUS Tucson-ORD Chicago O'Hare Intl

6h 01m1 stop Denver Intl

$581United Airlines

Tue, Sep 15 - Tue, Sep 22

6:30 am - 5:42 pmSTL Lambert-St Louis-TUS Tucson

13h 12m1 stop Los Angeles Los Angeles

3:54 pm - 11:43 pmTUS Tucson-STL Lambert-St Louis

5h 49m1 stop Dallas/Fort Worth

$766American 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.