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Tucson

$96+ 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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — TUS
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheap flight deals from Illinois to Tucson

Keep the following information in mind while searching for Illinois to Tucson flight deals. Data was last updated April 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$198
(Booking.com)

One-way from

$96
(Mytrip)

Popular in

March

Cheapest in

August

Average price

$420

Good round-trip deal

$394 or less

Good one-way deal

$191 or less
Provider with most accurate pricing for Chicago (CHI)-Tucson flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Tucson flights.
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From Illinois to Tucson
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One-way flight from Illinois to Tucson
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Highest demand for flights based on searches. 2% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 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 Illinois to Tucson.
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Price to beat on a one-way flight from Illinois to Tucson.
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Find 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 April 17, 2025.

This Booking.com deal was found by Cheapflights users on 4/16. 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.
Wed 4/306:58 pmSTL - TUS
1 stop18h 19mFrontier
Sun 6/111:27 amTUS - STL
1 stop19h 45mFrontier
Deal found 4/16$198
This Delta deal was found by Cheapflights users on 4/16. 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 7/25:23 pmSTL - TUS
1 stop6h 34mDelta
Sat 7/56:00 amTUS - STL
1 stop6h 37mDelta
Deal found 4/16$267
This American Airlines deal was found by Cheapflights users on 4/16. 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 7/310:08 amSTL - TUS
2 stops8h 25mAmerican Airlines
Tue 7/89:51 amTUS - STL
1 stop5h 47mAmerican Airlines
Deal found 4/16$281
This American Airlines deal was found by Cheapflights users on 4/17. 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 5/276:32 pmMLI - TUS
1 stop6h 51mAmerican Airlines
Sat 5/3111:23 amTUS - MLI
1 stop8h 01mAmerican Airlines
Deal found 4/17$285
This Frontier deal was found by Cheapflights users on 4/16. 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 5/296:00 amORD - TUS
1 stop6h 43mFrontier
Sun 6/111:27 amTUS - ORD
1 stop10h 32mFrontier
Deal found 4/16$300
This Frontier deal was found by Cheapflights users on 4/16. 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.
Fri 4/186:45 amMDW - TUS
1 stop6h 08mFrontier
Mon 4/2111:59 amTUS - MDW
1 stop10h 22mFrontier
Deal found 4/16$310
This Expedia deal was found by Cheapflights users on 4/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/93:44 pmORD - TUS
1 stop9h 34mMultiple Airlines
Sun 5/1112:06 pmTUS - ORD
1 stop9h 35mMultiple Airlines
Deal found 4/16$316
This Delta deal was found by Cheapflights users on 4/17. 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 5/25:50 amMLI - TUS
1 stop7h 30mDelta
Tue 5/612:30 pmTUS - MLI
1 stop7h 55mDelta
Deal found 4/17$319
This American Airlines deal was found by Cheapflights users on 4/17. 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 5/26:33 amPIA - TUS
1 stop8h 09mAmerican Airlines
Sun 5/45:03 amTUS - PIA
1 stop8h 00mAmerican Airlines
Deal found 4/17$319
This United Airlines deal was found by Cheapflights users on 4/17. 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 5/288:10 amSTL - TUS
2 stops9h 31mUnited Airlines
Sat 5/319:35 amTUS - STL
1 stop4h 56mUnited Airlines
Deal found 4/17$322
This United Airlines deal was found by Cheapflights users on 4/17. 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.
Fri 5/28:53 amMLI - TUS
1 stop5h 29mUnited Airlines
Tue 5/67:00 amTUS - MLI
2 stops11h 48mUnited Airlines
Deal found 4/17$324
This Southwest deal was found by Cheapflights users on 4/17. 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.
Fri 5/306:55 pmSTL - TUS
1 stop5h 45mSouthwest
Mon 6/22:45 pmTUS - STL
2 stops7h 50mSouthwest
Deal found 4/17$338

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 April 17, 2025.
Use the filters below to find and compare flights from Illinois to Tucson that are best for you.

Fly from

Illinois

Fly to

Tucson

Route

Depart

Return

Price

St. LouisTucson

STL - TUS

STLTUS

Lambert-St Louis

Wed 4/30

6:58 pm-11:17 am

1 stop18h 19m

Tucson

Sun 6/1

11:27 am-9:12 am

1 stop19h 45m

$198

St. LouisTucson

STL - TUS

STLTUS

Lambert-St Louis

Wed 7/2

5:23 pm-9:57 pm

1 stop6h 34m

Tucson

Sat 7/5

6:00 am-2:37 pm

1 stop6h 37m

$267

St. LouisTucson

STL - TUS

STLTUS

Lambert-St Louis

Thu 7/3

10:08 am-4:33 pm

2 stops8h 25m

Tucson

Tue 7/8

9:51 am-5:38 pm

1 stop5h 47m

$281

MolineTucson

MLI - TUS

MLITUS

Moline Quad-City

Tue 5/27

6:32 pm-11:23 pm

1 stop6h 51m

Tucson

Sat 5/31

11:23 am-9:24 pm

1 stop8h 01m

$285

ChicagoTucson

ORD - TUS

ORDTUS

Chicago O'Hare Intl

Thu 5/29

6:00 am-10:43 am

1 stop6h 43m

Tucson

Sun 6/1

11:27 am-11:59 pm

1 stop10h 32m

$300

ChicagoTucson

ORD - TUS

ORDTUS

Chicago O'Hare Intl

Fri 5/9

3:44 pm-11:18 pm

1 stop9h 34m

Tucson

Sun 5/11

12:06 pm-11:41 pm

1 stop9h 35m

$316

MolineTucson

MLI - TUS

MLITUS

Moline Quad-City

Fri 5/2

5:50 am-11:20 am

1 stop7h 30m

Tucson

Tue 5/6

12:30 pm-10:25 pm

1 stop7h 55m

$319

PeoriaTucson

PIA - TUS

PIATUS

Greater Peoria

Fri 5/2

6:33 am-12:42 pm

1 stop8h 09m

Tucson

Sun 5/4

5:03 am-3:03 pm

1 stop8h 00m

$319

St. LouisTucson

STL - TUS

STLTUS

Lambert-St Louis

Wed 5/28

8:10 am-3:41 pm

2 stops9h 31m

Tucson

Sat 5/31

9:35 am-4:31 pm

1 stop4h 56m

$322

MolineTucson

MLI - TUS

MLITUS

Moline Quad-City

Fri 5/2

8:53 am-12:22 pm

1 stop5h 29m

Tucson

Tue 5/6

7:00 am-8:48 pm

2 stops11h 48m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 41 results
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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

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

Currently, January is the cheapest month in which you can book a flight from Illinois to Tucson (average of $364). Flying from Illinois to Tucson in June is currently the most expensive (average of $460). 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 April 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Tucson as you normally would.

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 April 17, 2025.

The most flights from USIL to TUS are scheduled on a Monday (11 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in Tucson by month

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

In terms of precipitation, rainfall in Tucson ranges from 0.2 - 2.4 inches per month. August is typically the wettest month, when rainfall can reach 2.4 in. May is typically the driest time to visit Tucson when rainfall is around 0.2 in.

Temperature in Tucson by month

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

If weather is an important factor for your trip to Tucson, 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 87.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Tucson

Get insights into the airlines that provide service to Tucson. 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 Tucson. Reviews last updated April 17, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Illinois to Tucson to help guide your decision. 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
9,887 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

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
9,887 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

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
4,280 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

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
7,916 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

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
2,380 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

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
8,667 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

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 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.

  • 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 $96. Users have also found prices from $126 and $168 on American Airlines and Alaska Airlines, respectively.

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

    While some choose either Chicago Midway - Tucson or Lambert-St Louis - 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 Emirates (100%), United Airlines (81%) or SkyWest Airlines (80%) 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 $235. While the most popular route (Chicago O'Hare Intl - Tucson) can be booked for $308 on average our data indicates $685 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, January is the cheapest month in which you can book a flight from Illinois to Tucson (average of $364). Flying from Illinois to Tucson in June is currently the most expensive (average of $460). 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 Illinois?

Book flights to Illinois if you plan to visit one of these locations
Sierra Vista
Green Valley

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Alternative routes for Illinois to Tucson

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Illinois to Tucson

Discover the top 5 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$109Average$192FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$208Average$455FlexibilityNo cancel feeOn-time71%
DeltaCheapest$268Average$293FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$268Average$453FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$382Average$466FlexibilityNo cancel feeOn-time63%

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