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Tucson

$106+ 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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — TUS
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$238
(Booking.com)

One-way from

$106
(Mytrip)

Popular in

March

Cheapest in

August

Average price

$419

Good round-trip deal

$383 or less

Good one-way deal

$169 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 ($12 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 May 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 May 1, 2025.

This Booking.com deal was found by Cheapflights users on 5/1. 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 5/287:55 pmSTL - TUS
1 stop16h 48mFrontier
Thu 6/512:43 pmTUS - STL
1 stop22h 59mFrontier
Deal found 5/1$238
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.
Fri 9/266:36 pmMLI - TUS
1 stop6h 08mAmerican Airlines
Tue 9/301:33 pmTUS - MLI
1 stop5h 04mAmerican Airlines
Deal found 4/29$269
This American Airlines deal was found by Cheapflights users on 5/1. 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 5/225:19 amSTL - TUS
1 stop5h 13mAmerican Airlines
Sun 5/255:25 amTUS - STL
1 stop5h 42mAmerican Airlines
Deal found 5/1$293
This United Airlines deal was found by Cheapflights users on 5/1. 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 5/285:00 amSTL - TUS
2 stops9h 43mUnited Airlines
Thu 6/54:24 pmTUS - STL
1 stop5h 35mUnited Airlines
Deal found 5/1$298
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/168:50 amPIA - TUS
1 stop5h 32mUnited Airlines
Tue 5/2011:25 amTUS - PIA
1 stop8h 08mUnited Airlines
Deal found 4/30$319
This Southwest deal was found by Cheapflights users on 5/1. 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.
Thu 5/2910:25 amSTL - TUS
2 stops6h 40mSouthwest
Thu 6/53:00 pmTUS - STL
1 stop7h 20mSouthwest
Deal found 5/1$324
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/93:42 pmSTL - TUS
1 stop7h 54mDelta
Sun 7/135:00 pmTUS - STL
1 stop5h 38mDelta
Deal found 4/30$327
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 9/167:02 amPIA - TUS
1 stop7h 34mAmerican Airlines
Sun 9/218:27 pmTUS - PIA
2 stops11h 13mAmerican Airlines
Deal found 4/29$329
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 5/219:30 pmORD - TUS
Nonstop3h 53mAmerican Airlines
Sun 5/255:25 amTUS - ORD
Nonstop3h 30mAmerican Airlines
Deal found 4/30$339
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/59:05 amMLI - TUS
1 stop8h 36mUnited Airlines
Sat 6/1411:24 amTUS - MLI
1 stop8h 03mUnited Airlines
Deal found 4/30$341
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/65:50 amMLI - TUS
1 stop7h 30mDelta
Tue 5/136:00 amTUS - MLI
1 stop8h 34mDelta
Deal found 4/30$343
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/47:51 pmORD - TUS
1 stop17h 14mAlaska Airlines
Tue 6/1012:01 pmTUS - ORD
1 stop8h 22mAlaska Airlines
Deal found 4/30$357

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 1, 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 5/28

7:55 pm-10:43 am

1 stop16h 48m

Tucson

Thu 6/5

12:43 pm-1:42 pm

1 stop22h 59m

$238

MolineTucson

MLI - TUS

MLITUS

Moline Quad-City

Fri 9/26

6:36 pm-10:44 pm

1 stop6h 08m

Tucson

Tue 9/30

1:33 pm-8:37 pm

1 stop5h 04m

$269

St. LouisTucson

STL - TUS

STLTUS

Lambert-St Louis

Thu 5/22

5:19 am-8:32 am

1 stop5h 13m

Tucson

Sun 5/25

5:25 am-1:07 pm

1 stop5h 42m

$293

St. LouisTucson

STL - TUS

STLTUS

Lambert-St Louis

Wed 5/28

5:00 am-12:43 pm

2 stops9h 43m

Tucson

Thu 6/5

4:24 pm-11:59 pm

1 stop5h 35m

$298

PeoriaTucson

PIA - TUS

PIATUS

Greater Peoria

Fri 5/16

8:50 am-12:22 pm

1 stop5h 32m

Tucson

Tue 5/20

11:25 am-9:33 pm

1 stop8h 08m

$319

St. LouisTucson

STL - TUS

STLTUS

Lambert-St Louis

Thu 5/29

10:25 am-3:05 pm

2 stops6h 40m

Tucson

Thu 6/5

3:00 pm-12:20 am

1 stop7h 20m

$324

St. LouisTucson

STL - TUS

STLTUS

Lambert-St Louis

Wed 7/9

3:42 pm-9:36 pm

1 stop7h 54m

Tucson

Sun 7/13

5:00 pm-12:38 am

1 stop5h 38m

$327

PeoriaTucson

PIA - TUS

PIATUS

Greater Peoria

Tue 9/16

7:02 am-12:36 pm

1 stop7h 34m

Tucson

Sun 9/21

8:27 pm-9:40 am

2 stops11h 13m

$329

ChicagoTucson

ORD - TUS

ORDTUS

Chicago O'Hare Intl

Wed 5/21

9:30 pm-11:23 pm

Nonstop3h 53m

Tucson

Sun 5/25

5:25 am-10:55 am

Nonstop3h 30m

$339

MolineTucson

MLI - TUS

MLITUS

Moline Quad-City

Thu 6/5

9:05 am-3:41 pm

1 stop8h 36m

Tucson

Sat 6/14

11:24 am-9:27 pm

1 stop8h 03m

$341

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 42 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 $452). 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 1, 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 May 1, 2025.

The most flights from USIL to TUS are scheduled on a Thursday (8 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 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 May 1, 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
9,972 reviews

Overall

8.0

Boarding

8.1

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Boarding

8.1

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,293 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Boarding

8.1

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Boarding

8.1

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,409 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Boarding

8.1

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Boarding

8.1

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $106. Users have also found prices from $134 and $153 on American Airlines and Delta, 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 $169. While the most popular route (Chicago O'Hare Intl - Tucson) can be booked for $275 on average our data indicates $675 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 $452). 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 4 airlines flying from Illinois to Tucson

Discover the top 4 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 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$109Average$192FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$208Average$452FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$268Average$453FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$382Average$466FlexibilityNo cancel feeOn-time63%

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