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Tucson

$169+ Cheap flights from Illinois to Tucson (TUS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — TUS
Jun 2 — Jun 91
Tue 6/2
Tue 6/9
1 adult, Economy
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Cheap flight deals from Illinois to Tucson

Cheapest flights from Illinois to Tucson
Explore the most affordable flight options available from Illinois to Tucson. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 3, 2026.

This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/99:48 am
ORD
-
TUS
Nonstop3h 51m
American Airlines
Tue 6/91:49 pm
TUS
-
ORD
1 stop8h 39m
American Airlines
Deal found 4/29$283
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:00 pm
MLI
-
TUS
1 stop6h 56m
Delta
Tue 10/2012:40 pm
TUS
-
MLI
1 stop7h 50m
Delta
Deal found 5/2$311
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:44 pm
MLI
-
TUS
1 stop6h 15m
American Airlines
Sat 8/2211:48 am
TUS
-
MLI
2 stops10h 20m
American Airlines
Deal found 4/30$316
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/125:00 pm
MLI
-
TUS
1 stop6h 56m
Delta
Wed 10/216:00 am
TUS
-
MLI
1 stop8h 22m
Delta
Deal found 5/2$320
This American Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/234:42 pm
MLI
-
TUS
1 stop5h 21m
American Airlines
Sat 5/303:55 pm
TUS
-
MLI
1 stop5h 35m
American Airlines
Deal found 5/2$329
This American Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/44:19 pm
PIA
-
TUS
1 stop7h 09m
American Airlines
Tue 12/88:00 am
TUS
-
PIA
1 stop6h 44m
American Airlines
Deal found 5/2$329
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/279:46 am
ORD
-
TUS
Nonstop3h 50m
American Airlines
Wed 6/312:40 pm
TUS
-
ORD
Nonstop3h 47m
American Airlines
Deal found 4/29$337
This Southwest deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/274:00 pm
MDW
-
TUS
Nonstop3h 45m
Southwest
Wed 6/36:35 pm
TUS
-
MDW
1 stop8h 50m
Southwest
Deal found 4/29$347
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/215:29 am
STL
-
TUS
1 stop5h 14m
American Airlines
Tue 5/263:55 pm
TUS
-
STL
1 stop6h 04m
American Airlines
Deal found 4/30$357
This Alaska Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:49 pm
ORD
-
TUS
1 stop18h 17m
Alaska Airlines
Wed 6/31:02 pm
TUS
-
ORD
1 stop8h 57m
Alaska Airlines
Deal found 4/29$357
This Southwest deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/95:30 am
MDW
-
TUS
1 stop5h 45m
Southwest
Tue 6/94:55 pm
TUS
-
MDW
1 stop5h 10m
Southwest
Deal found 4/29$357
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/22:11 pm
ORD
-
TUS
1 stop9h 19m
Delta
Tue 6/96:20 am
TUS
-
ORD
2 stops13h 37m
Delta
Deal found 4/29$362

Find flight deals from Illinois to Tucson

Keep the following information in mind while searching for Illinois to Tucson flight deals. Data was last updated May 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$283
(American Airlines)

One-way from

$169
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$437

Good round-trip deal

$434 or less

Good one-way deal

$232 or less
Provider with most accurate pricing for Chicago (CHI)-Tucson flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Tucson flights.
Search Deals
From Illinois to Tucson
Search Deals
One-way flight from Illinois to Tucson
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($71 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Illinois to Tucson.
Search Deals
Price to beat on a one-way flight from Illinois to Tucson.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Tucson that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 3, 2026.
Use the filters below to find and compare flights from Illinois to Tucson that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MolineTucson

MLI - TUS

MLITUS

Moline Quad-City

Tue 8/18

5:00 pm-9:37 pm

1 stop6h 37m

Tucson

Sat 8/22

6:00 am-4:22 pm

1 stop8h 22m

$311

MolineTucson

MLI - TUS

MLITUS

Moline Quad-City

Wed 8/12

5:00 pm-9:37 pm

1 stop6h 37m

Tucson

Sat 8/22

12:40 pm-10:30 pm

1 stop7h 50m

$311

MolineTucson

MLI - TUS

MLITUS

Moline Quad-City

Wed 8/12

6:44 pm-10:59 pm

1 stop6h 15m

Tucson

Sat 8/22

11:48 am-12:08 am

2 stops10h 20m

$316

ChicagoTucson

MDW - TUS

MDWTUS

Chicago Midway

Wed 5/27

4:00 pm-5:45 pm

Nonstop3h 45m

Tucson

Wed 6/3

6:35 pm-5:25 am

1 stop8h 50m

$347

BloomingtonTucson

BMI - TUS

BMITUS

Bloomington-Normal

Wed 6/3

2:58 pm-10:11 pm

1 stop9h 13m

Tucson

Sun 6/7

7:20 am-5:52 pm

1 stop8h 32m

$370

MolineTucson

MLI - TUS

MLITUS

Moline Quad-City

Tue 7/28

11:09 am-5:46 pm

2 stops8h 37m

Tucson

Sat 8/1

3:57 pm-11:30 pm

1 stop5h 33m

$381

MolineTucson

MLI - TUS

MLITUS

Moline Quad-City

Sat 5/23

7:00 am-2:28 pm

2 stops9h 28m

Tucson

Sat 5/30

10:12 am-11:30 pm

2 stops11h 18m

$386

St. LouisTucson

STL - TUS

STLTUS

Lambert-St Louis

Fri 5/29

5:20 pm-9:44 pm

1 stop6h 24m

Tucson

Tue 7/28

1:45 pm-10:15 pm

1 stop6h 30m

$387

ChicagoTucson

MDW - TUS

MDWTUS

Chicago Midway

Wed 6/24

5:30 am-9:15 am

1 stop5h 45m

Tucson

Sat 6/27

5:50 pm-5:10 am

1 stop9h 20m

$397

PeoriaTucson

PIA - TUS

PIATUS

Greater Peoria

Fri 5/15

6:54 pm-11:59 pm

1 stop7h 05m

Tucson

Tue 5/19

3:53 pm-11:13 pm

1 stop5h 20m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/3

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Illinois to Tucson

Have a flexible travel schedule? Discover the best time to fly to Tucson from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Tucson

How far ahead should I book a flight from Illinois to Tucson?

The best time to book flights from Illinois to Tucson is 76 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Illinois to Tucson?

Currently, April is the cheapest month in which you can book a flight from Illinois to Tucson (average of $89). Flying from Illinois to Tucson in May is currently the most expensive (average of $265). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to TUS?

Find hourly flight availability from Illinois to Tucson. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 3, 2026.

When flying from Illinois to Tucson, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 11% versus a flight in the morning.

Weekly flight availability from Illinois to Tucson

Explore weekly flight availability from Illinois to Tucson. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 3, 2026.

The most flights from USIL to TUS are scheduled on a Monday (11 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (3 on average).

How much does it cost to fly round-trip from Illinois to Tucson?

Related info for your journey

Find useful and relevant information for your journey from Illinois to Tucson. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Tucson from Illinois?

    Located just 7.5 mi from the city center, Tucson (TUS) is the airport most travelers will use when flying to Tucson from Illinois.

  • How long is the flight from Illinois to Tucson?

    Delta, American Airlines, and Southwest can get you from Illinois to Tucson in just under 3h 45m. Your travel time can differ by up to 3h 11m. There are 1437 mi between Illinois and Tucson. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Illinois to Tucson one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $77. Users have also found prices from $123 and $123 on Southwest and American Airlines, respectively.

  • What are the most popular routes from Illinois to Tucson?

    While some choose either Lambert-St Louis - Tucson or Chicago Midway - Tucson, Chicago O'Hare Intl - Tucson is the most popular route from Illinois to Tucson.

  • What are the most reliable airlines from Illinois to Tucson?

    No one likes to see their flight delayed. When booking a flight from Illinois to Tucson consider choosing United Airlines (62%), SkyWest Airlines (60%) or American Airlines (60%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Illinois to Tucson?

    Looking at all options, your cheapest flight can be booked for $198. While the most popular route (Chicago O'Hare Intl - Tucson) can be booked for $357 on average, our data indicates $503 when flying from Illinois to Tucson.

  • Can I find deals for flights from Illinois to Tucson that include hotel bookings?

    Yes. In addition to deals on Illinois to Tucson flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Tucson?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Tucson.

  • Can I find deals for business class flights from Illinois to Tucson?

    Yes. Cheapflights offers flight deals from Illinois to Tucson by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Tucson?

    Currently, April is the cheapest month in which you can book a flight from Illinois to Tucson (average of $89). Flying from Illinois to Tucson in May is currently the most expensive (average of $265). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Tucson?

Book flights to Tucson if you plan to visit one of these locations
Sierra Vista
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Alternative routes for Illinois to Tucson

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Top 3 airlines flying from Illinois to Tucson

Discover the top 3 airlines that operate flights from Illinois to Tucson. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$198Average$488FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$265Average$458FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$271Average$446FlexibilityNo cancel feeOn-time69%

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