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$63+ 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — TUS
jul. 8 — jul. 151
mar. 7/8
mar. 7/15
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 julio 3, 2025.

Round-trip from

$192
(Priceline)

One-way from

$63
(Priceline)

Popular in

June

Cheapest in

August

Average price

$432

Good round-trip deal

$357 or less

Good one-way deal

$158 or less
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. 4% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 3, 2025.

This Priceline deal was found by Cheapflights users on 7/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/286:00 amORD - TUS
1 stop6h 47mFrontier
vie. 10/311:32 amTUS - ORD
1 stop10h 27mFrontier
Deal found 7/2$192
This FlightHub deal was found by Cheapflights users on 7/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/47:55 pmSTL - TUS
1 stop16h 52mFrontier
dom. 9/711:32 amTUS - STL
1 stop19h 34mFrontier
Deal found 7/2$222
This American Airlines deal was found by Cheapflights users on 7/1. 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.
sáb. 9/139:45 amORD - TUS
Nonstop3h 50mAmerican Airlines
sáb. 9/131:50 pmTUS - ORD
1 stop6h 34mAmerican Airlines
Deal found 7/1$251
This Southwest deal was found by Cheapflights users on 7/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/282:20 pmMDW - TUS
Nonstop3h 40mSouthwest
mar. 11/48:00 amTUS - MDW
Nonstop3h 15mSouthwest
Deal found 7/2$257
This United Airlines deal was found by Cheapflights users on 7/1. 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.
jue. 9/118:49 amORD - TUS
Nonstop3h 54mUnited Airlines
sáb. 9/1311:39 amTUS - ORD
Nonstop3h 31mUnited Airlines
Deal found 7/1$263
This American Airlines deal was found by Cheapflights users on 7/2. 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.
mié. 7/307:23 amSTL - TUS
1 stop7h 52mAmerican Airlines
mié. 8/63:52 pmTUS - STL
1 stop5h 22mAmerican Airlines
Deal found 7/2$267
This American Airlines deal was found by Cheapflights users on 7/1. 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.
sáb. 8/235:50 pmMLI - TUS
1 stop5h 37mAmerican Airlines
dom. 8/241:30 pmTUS - MLI
1 stop7h 52mAmerican Airlines
Deal found 7/1$269
This American Airlines deal was found by Cheapflights users on 7/1. 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.
jue. 8/146:00 amPIA - TUS
1 stop7h 27mAmerican Airlines
jue. 8/211:30 pmTUS - PIA
1 stop7h 35mAmerican Airlines
Deal found 7/1$269
This United Airlines deal was found by Cheapflights users on 7/1. 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.
sáb. 11/81:35 pmSTL - TUS
1 stop5h 35mUnited Airlines
sáb. 11/158:15 amTUS - STL
2 stops7h 59mUnited Airlines
Deal found 7/1$272
This Delta deal was found by Cheapflights users on 7/2. 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.
jue. 8/77:00 amORD - TUS
1 stop6h 46mDelta
mié. 8/1311:15 amTUS - ORD
1 stop8h 49mDelta
Deal found 7/2$277
This Delta deal was found by Cheapflights users on 7/2. 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.
jue. 8/76:00 amMDW - TUS
1 stop7h 46mDelta
mié. 8/1312:54 pmTUS - MDW
1 stop6h 50mDelta
Deal found 7/2$277
This Delta deal was found by Cheapflights users on 7/2. 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.
jue. 8/282:25 pmSTL - TUS
1 stop9h 02mDelta
mar. 9/212:54 pmTUS - STL
1 stop7h 08mDelta
Deal found 7/2$292

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 julio 3, 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

ChicagoTucson

ORD - TUS

ORDTUS

Chicago O'Hare Intl

dom. 9/28

6:00 am-10:47 am

1 stop6h 47m

Tucson

vie. 10/3

11:32 am-11:59 pm

1 stop10h 27m

$192

St. LouisTucson

STL - TUS

STLTUS

Lambert-St Louis

jue. 9/4

7:55 pm-10:47 am

1 stop16h 52m

Tucson

dom. 9/7

11:32 am-9:06 am

1 stop19h 34m

$222

ChicagoTucson

ORD - TUS

ORDTUS

Chicago O'Hare Intl

sáb. 9/13

9:45 am-11:35 am

Nonstop3h 50m

Tucson

sáb. 9/13

1:50 pm-10:24 pm

1 stop6h 34m

$251

ChicagoTucson

ORD - TUS

ORDTUS

Chicago O'Hare Intl

jue. 9/11

8:49 am-10:43 am

Nonstop3h 54m

Tucson

sáb. 9/13

11:39 am-5:10 pm

Nonstop3h 31m

$263

ChicagoTucson

MDW - TUS

MDWTUS

Chicago Midway

lun. 9/15

8:30 am-10:10 am

Nonstop3h 40m

Tucson

jue. 9/18

1:35 pm-12:05 am

1 stop8h 30m

$267

St. LouisTucson

STL - TUS

STLTUS

Lambert-St Louis

mié. 7/30

7:23 am-1:15 pm

1 stop7h 52m

Tucson

mié. 8/6

3:52 pm-11:14 pm

1 stop5h 22m

$267

MolineTucson

MLI - TUS

MLITUS

Moline Quad-City

sáb. 8/23

5:50 pm-9:27 pm

1 stop5h 37m

Tucson

dom. 8/24

1:30 pm-11:22 pm

1 stop7h 52m

$269

PeoriaTucson

PIA - TUS

PIATUS

Greater Peoria

jue. 8/14

6:00 am-11:27 am

1 stop7h 27m

Tucson

jue. 8/21

1:30 pm-11:05 pm

1 stop7h 35m

$269

ChicagoTucson

ORD - TUS

ORDTUS

Chicago O'Hare Intl

jue. 8/7

7:00 am-11:46 am

1 stop6h 46m

Tucson

mié. 8/13

11:15 am-10:04 pm

1 stop8h 49m

$277

ChicagoTucson

MDW - TUS

MDWTUS

Chicago Midway

jue. 8/7

6:00 am-11:46 am

1 stop7h 46m

Tucson

mié. 8/13

12:54 pm-9:44 pm

1 stop6h 50m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 44 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 March is currently the most expensive (average of $424). 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 julio 3, 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 julio 3, 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).

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 julio 3, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Illinois to Tucson by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

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
4,266 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

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
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

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
7.8
Good
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

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
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

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 $63. Users have also found prices from $129 and $129 on American Airlines and Southwest, 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 SkyWest Airlines (95%), United Airlines (95%) or Qatar Airways (64%) 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 $81. While the most popular route (Chicago O'Hare Intl - Tucson) can be booked for $263 on average our data indicates $365 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 March is currently the most expensive (average of $424). 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 julio 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$109Average$192FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$208Average$454FlexibilityNo cancel feeOn-time71%
DeltaCheapest$268Average$293FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$268Average$452FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$375Average$465FlexibilityNo cancel feeOn-time63%

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