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.

$129 CHEAP FLIGHTS from Illinois to Tucson

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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

Thu, Jan 7 - Sat, Jan 16

4:30 pm - 9:42 pmSTL Lambert-St Louis-TUS Tucson

6h 12m1 stop Denver Intl

1:30 pm - 8:59 pmTUS Tucson-STL Lambert-St Louis

6h 29m1 stop Denver Intl

$257United Airlines

Thu, Nov 5 - Sat, Nov 7

5:05 am - 1:20 pmSTL Lambert-St Louis-TUS Tucson

9h 15m1 stop Los Angeles

11:30 am - 6:15 pmTUS Tucson-STL Lambert-St Louis

5h 45m1 stop Denver Intl

$257Southwest

Thu, Oct 29 - Mon, Nov 2

8:03 am - 11:11 amSTL Lambert-St Louis-TUS Tucson

5h 08m1 stop Phoenix Sky Harbor Intl

4:07 pm - 11:56 pmTUS Tucson-STL Lambert-St Louis

6h 49m1 stop Phoenix Sky Harbor Intl

$257American Airlines

Tue, Sep 15 - Wed, Sep 23

5:43 am - 11:00 amSTL Lambert-St Louis-TUS Tucson

7h 17m1 stop Dallas/Fort Worth

8:00 am - 6:04 pmTUS Tucson-STL Lambert-St Louis

8h 04m1 stop Dallas/Fort Worth

$257American Airlines

Wed, Sep 9 - Sat, Sep 12

9:00 am - 12:27 pmSTL Lambert-St Louis-TUS Tucson

5h 27m1 stop Denver Intl

11:11 am - 10:59 pmTUS Tucson-STL Lambert-St Louis

9h 48m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

$262United Airlines

Sat, Sep 12 - Thu, Sep 17

2:05 pm - 8:40 pmSTL Lambert-St Louis-TUS Tucson

8h 35m2 stops Dallas Love Field Denver Intl

3:45 pm - 12:50 amTUS Tucson-STL Lambert-St Louis

7h 05m1 stop Los Angeles

$262Southwest

Tue, Sep 15 - Wed, Sep 23

2:45 pm - 8:40 pmSTL Lambert-St Louis-TUS Tucson

7h 55m2 stops Dallas Love Field Phoenix Sky Harbor Intl

4:00 pm - 10:40 pmTUS Tucson-STL Lambert-St Louis

4h 40m1 stop Phoenix Sky Harbor Intl

$262Southwest

Tue, Sep 22 - Wed, Sep 23

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

4h 13mnonstop

1:29 pm - 10:00 pmTUS Tucson-ORD Chicago O'Hare Intl

6h 31m1 stop Denver Intl

$271United Airlines

Wed, Sep 9 - Wed, Sep 16

1:51 pm - 9:26 pmORD Chicago O'Hare Intl-TUS Tucson

9h 35m1 stop Atlanta Hartsfield-Jackson

1:44 pm - 11:59 pmTUS Tucson-ORD Chicago O'Hare Intl

8h 15m1 stop Atlanta Hartsfield-Jackson

$281Delta

Tue, Oct 20 - Sat, Oct 24

2:45 pm - 8:53 pmORD Chicago O'Hare Intl-TUS Tucson

8h 08m1 stop Los Angeles

1:27 pm - 11:52 pmTUS Tucson-ORD Chicago O'Hare Intl

8h 25m1 stop Atlanta Hartsfield-Jackson

$281Delta

Recent last minute flight deals from Illinois to Tucson

Sat, Aug 15 - Tue, Aug 25

9:05 am - 12:27 pmMLI Moline Quad-City-TUS Tucson

5h 22m1 stop Denver Intl

1:29 pm - 9:01 pmTUS Tucson-MLI Moline Quad-City

5h 32m1 stop Denver Intl

$421United Airlines

Tue, Aug 18 - Thu, Aug 27

11:32 am - 5:47 pmMLI Moline Quad-City-TUS Tucson

8h 15m1 stop Dallas/Fort Worth

3:58 pm - 11:26 pmTUS Tucson-MLI Moline Quad-City

5h 28m1 stop Dallas/Fort Worth

$421American Airlines

Tue, Aug 18 - Thu, Aug 27

6:00 am - 12:18 pmMLI Moline Quad-City-TUS Tucson

8h 18m1 stop Atlanta Hartsfield-Jackson

1:28 pm - 10:19 pmTUS Tucson-MLI Moline Quad-City

6h 51m1 stop Atlanta Hartsfield-Jackson

$421Delta

Tue, Aug 18 - Wed, Aug 26

6:00 am - 12:18 pmMLI Moline Quad-City-TUS Tucson

8h 18m1 stop Atlanta Hartsfield-Jackson

1:28 pm - 10:19 pmTUS Tucson-MLI Moline Quad-City

6h 51m1 stop Atlanta Hartsfield-Jackson

$421Delta

Sat, Aug 15 - Thu, Aug 27

10:30 am - 9:14 pmMLI Moline Quad-City-TUS Tucson

12h 44m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

1:29 pm - 9:01 pmTUS Tucson-MLI Moline Quad-City

5h 32m1 stop Denver Intl

$426United Airlines

Tue, Aug 18 - Thu, Aug 27

11:32 am - 5:47 pmMLI Moline Quad-City-TUS Tucson

8h 15m1 stop Dallas/Fort Worth

1:17 pm - 12:08 amTUS Tucson-MLI Moline Quad-City

8h 51m2 stops Dallas/Fort Worth Chicago O'Hare Intl

$426American Airlines

Sat, Aug 15 - Tue, Aug 25

9:05 am - 12:27 pmMLI Moline Quad-City-TUS Tucson

5h 22m1 stop Denver Intl

5:30 am - 5:45 pmTUS Tucson-MLI Moline Quad-City

10h 15m2 stops Denver Intl Chicago O'Hare Intl

$426United Airlines

Tue, Aug 18 - Wed, Aug 26

11:43 am - 5:47 pmMLI Moline Quad-City-TUS Tucson

8h 04m2 stops Chicago O'Hare Intl Dallas/Fort Worth

1:17 pm - 10:11 pmTUS Tucson-MLI Moline Quad-City

6h 54m1 stop Dallas/Fort Worth

$426American Airlines

Sat, Aug 15 - Sun, Aug 23

5:05 pm - 8:35 pmMDW Chicago Midway-TUS Tucson

5h 30m1 stop Denver Intl

7:00 am - 2:25 pmTUS Tucson-MDW Chicago Midway

5h 25m1 stop Denver Intl

$533Southwest

Tue, Aug 18 - Mon, Aug 24

12:20 pm - 6:00 pmMDW Chicago Midway-TUS Tucson

7h 40m1 stop Los Angeles

9:55 am - 8:15 pmTUS Tucson-MDW Chicago Midway

8h 20m1 stop Las Vegas Harry Reid Intl

$533Southwest

Useful Info

Low season	August
High season	February
Cheapest flight	$129

Best time to beat the crowds but there is an average 18% increase in price.

Most popular time to fly and prices are also 10% 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.

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$129 Find Cheap Flights from Illinois to Tucson - Compare and Save

Cheap Flights from Illinois to Tucson

Recent round-trip flight deals from Illinois to Tucson

Recent one-way flight deals from Illinois to Tucson

Recent last minute flight deals from Illinois to Tucson

Recent direct flight deals from Illinois to Tucson

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FAQs for booking flights from Illinois to Tucson

Traveling to a place near Tucson?

Everything you need to know for your flight to Tucson

Information on the airport you'll fly into in Tucson

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