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$119+ Cheap flights from Tucson (TUS) to Illinois

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 5/22. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — ORD
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
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Cheap flight deals from Tucson to Illinois

Keep the following information in mind while searching for Tucson to Illinois flight deals. Data was last updated April 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$230
(American Airlines)

One-way from

$119
(Frontier)

Popular in

February

Cheapest in

January

Average price

$400

Good round-trip deal

$381 or less

Good one-way deal

$210 or less
Provider with most accurate pricing for Tucson-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Tucson-Chicago (CHI) flights.
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From Tucson to Illinois
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One-way flight from Tucson to Illinois
Search Deals
High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Tucson to Illinois.
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Price to beat on a one-way flight from Tucson to Illinois.
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Find flight deals from Tucson to Illinois

Cheapest flights from Tucson to Illinois
Explore the most affordable flight options available from Tucson to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

This American Airlines deal was found by Cheapflights users on 4/15. 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 8/306:00 amTUS - MLI
1 stop6h 19mAmerican Airlines
Sun 8/316:00 amMLI - TUS
1 stop7h 36mAmerican Airlines
Deal found 4/15$230
This United Airlines deal was found by Cheapflights users on 4/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/911:22 amTUS - MLI
1 stop5h 56mUnited Airlines
Tue 9/236:30 amMLI - TUS
1 stop6h 27mUnited Airlines
Deal found 4/15$251
This American Airlines deal was found by Cheapflights users on 4/13. 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 9/241:33 pmTUS - STL
1 stop6h 54mAmerican Airlines
Tue 9/305:35 amSTL - TUS
1 stop4h 53mAmerican Airlines
Deal found 4/13$267
This Frontier deal was found by Cheapflights users on 4/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2212:52 pmTUS - ORD
1 stop6h 01mFrontier
Sun 5/256:00 amORD - TUS
1 stop6h 43mFrontier
Deal found 4/15$270
This Booking.com deal was found by Cheapflights users on 4/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2212:52 pmTUS - MDW
1 stop24h 08mFrontier
Sun 5/256:25 amMDW - TUS
1 stop7h 32mFrontier
Deal found 4/14$280
This Delta deal was found by Cheapflights users on 4/15. 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.
Fri 6/66:00 amTUS - STL
1 stop8h 35mDelta
Wed 7/25:23 pmSTL - TUS
1 stop6h 34mDelta
Deal found 4/15$310
This United Airlines deal was found by Cheapflights users on 4/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/141:32 pmTUS - STL
1 stop5h 29mUnited Airlines
Tue 5/206:30 amSTL - TUS
2 stops10h 09mUnited Airlines
Deal found 4/13$338
This Southwest deal was found by Cheapflights users on 4/15. 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 5/76:20 amTUS - MDW
Nonstop3h 10mSouthwest
Sat 5/1011:25 amMDW - TUS
Nonstop3h 45mSouthwest
Deal found 4/15$339
This United Airlines deal was found by Cheapflights users on 4/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/711:25 amTUS - ORD
Nonstop3h 32mUnited Airlines
Sat 5/108:45 amORD - TUS
Nonstop3h 59mUnited Airlines
Deal found 4/15$339
This Southwest deal was found by Cheapflights users on 4/13. 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 5/273:30 pmTUS - STL
1 stop5h 45mSouthwest
Tue 6/104:35 pmSTL - TUS
2 stops8h 30mSouthwest
Deal found 4/13$341
This Delta deal was found by Cheapflights users on 4/14. 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 5/2812:55 pmTUS - ORD
1 stop9h 04mDelta
Tue 6/102:18 pmORD - TUS
1 stop9h 21mDelta
Deal found 4/14$347
This Delta deal was found by Cheapflights users on 4/13. 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 5/141:10 pmTUS - MDW
1 stop6h 18mDelta
Tue 5/206:00 amMDW - TUS
1 stop8h 00mDelta
Deal found 4/13$359

Cheapflights Fare Finder

Customize your flight search to find flights from Tucson to Illinois 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 April 15, 2025.
Use the filters below to find and compare flights from Tucson to Illinois that are best for you.

Fly from

Tucson

Fly to

Illinois

Route

Depart

Return

Price

TucsonMoline

TUS - MLI

TUSMLI

Tucson

Sat 8/30

6:00 am-2:19 pm

1 stop6h 19m

Moline Quad-City

Sun 8/31

6:00 am-11:36 am

1 stop7h 36m

$230

TucsonMoline

TUS - MLI

TUSMLI

Tucson

Tue 9/9

11:22 am-7:18 pm

1 stop5h 56m

Moline Quad-City

Tue 9/23

6:30 am-10:57 am

1 stop6h 27m

$251

TucsonSt. Louis

TUS - STL

TUSSTL

Tucson

Wed 9/24

1:33 pm-10:27 pm

1 stop6h 54m

Lambert-St Louis

Tue 9/30

5:35 am-8:28 am

1 stop4h 53m

$267

TucsonChicago

TUS - ORD

TUSORD

Tucson

Thu 5/22

12:52 pm-8:53 pm

1 stop6h 01m

Chicago O'Hare Intl

Sun 5/25

6:00 am-10:43 am

1 stop6h 43m

$270

TucsonChicago

TUS - MDW

TUSMDW

Tucson

Thu 5/22

12:52 pm-3:00 pm

1 stop24h 08m

Chicago Midway

Sun 5/25

6:25 am-11:57 am

1 stop7h 32m

$280

TucsonSt. Louis

TUS - STL

TUSSTL

Tucson

Fri 6/6

6:00 am-4:35 pm

1 stop8h 35m

Lambert-St Louis

Wed 7/2

5:23 pm-9:57 pm

1 stop6h 34m

$310

TucsonSt. Louis

TUS - STL

TUSSTL

Tucson

Wed 5/14

1:32 pm-9:01 pm

1 stop5h 29m

Lambert-St Louis

Tue 5/20

6:30 am-2:39 pm

2 stops10h 09m

$338

TucsonChicago

TUS - MDW

TUSMDW

Tucson

Wed 5/7

6:20 am-11:30 am

Nonstop3h 10m

Chicago Midway

Sat 5/10

11:25 am-1:10 pm

Nonstop3h 45m

$339

TucsonChicago

TUS - ORD

TUSORD

Tucson

Wed 5/7

11:25 am-4:57 pm

Nonstop3h 32m

Chicago O'Hare Intl

Sat 5/10

8:45 am-10:44 am

Nonstop3h 59m

$339

TucsonSt. Louis

TUS - STL

TUSSTL

Tucson

Tue 5/27

3:30 pm-11:15 pm

1 stop5h 45m

Lambert-St Louis

Tue 6/10

4:35 pm-11:05 pm

2 stops8h 30m

$341

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 33 results
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Best time to book a flight from Tucson to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Tucson 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 Tucson to Illinois

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

Currently, August is the cheapest month in which you can book a flight from Tucson to Illinois (average of $245). Flying from Tucson to Illinois in March is currently the most expensive (average of $321). 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 TUS to IL?

Find hourly flight availability from Tucson to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 15, 2025.

When flying from Tucson to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Tucson to Illinois

Explore weekly flight availability from Tucson to Illinois. 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 April 15, 2025.

The most flights from TUS to USIL are scheduled on a Monday (12 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (11 on average).

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated April 15, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Tucson to Illinois by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,871 reviews

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,871 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,279 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,918 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Hawaiian Airlines
7.9
Good
2,375 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,658 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

Find useful and relevant information for your journey from Tucson to Illinois. 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 from for flights from Tucson to Illinois?

    For a flight from Tucson to Illinois, you will be flying from Tucson. Tucson (TUS) is just 7.5 mi from the center of the city.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $119. Users have also found prices from $134 and $170 on Delta and American Airlines, respectively.

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

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

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

    Before booking your flight to Illinois from Tucson, check out the most reliable airlines to get you to your destination on time: Finnair (100%), Royal Jordanian (96%), SkyWest Airlines( 96%).

  • What are the cheapest flights from Tucson to Illinois?

    The cheapest flight price from Tucson to Illinois is $174. On average you can expect to pay $966. The most popular route, (Tucson - Chicago O'Hare Intl), can usually be booked for $351.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Tucson to Illinois 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 Tucson to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Tucson to Illinois (average of $245). Flying from Tucson to Illinois in March is currently the most expensive (average of $321). 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

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Top 4 airlines flying from Tucson to Illinois

Discover the top 4 airlines that operate flights from Tucson to Illinois. 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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$149Average$481FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$247Average$476FlexibilityNo cancel feeOn-time71%
DeltaCheapest$298Average$608FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$377Average$471FlexibilityNo cancel feeOn-time63%

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