What airlines fly to Illinois?

American Airlines, Allegiant Air and United Airlines are the top three most popular airlines that fly to Illinois from Tucson according to our data. American Airlines is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 5 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

How many flights depart from Tucson to Illinois on average per week?

As of February 2026, 42 flights take off from Tucson and land in Illinois each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.

What is the cheapest airline that flies from Tucson to Illinois?

Southwest, Delta, and Frontier are the most popular carriers operating from Tucson to Illinois

How many flights depart from Tucson to Illinois on average per day?

The number of flights available between Tucson and Illinois is 6 per day as of February 2026. The most frequent departure time is 6:00AM, with 63% of daily flights leaving at noon.

When did momondo last update prices for flights from Tucson Airport to Illinois?

Prices for flights from Tucson Airport to Illinois are updated daily.

How many operators does momondo search for flights from Tucson Airport to Illinois?

The number of operators available for flights from Tucson Airport to Illinois is 5 as of February 2026.

How old do you have to be to fly from Tucson Airport to Illinois?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Tucson Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$71 Cheap Flights from Tucson to Illinois in 2026

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Find the cheapest flights from Tucson to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 5:30 pm

TUS

ORD

8h 30m

1 stop

3:35 pm - 9:47 pm

ORD

TUS

8h 12m

1 stop

$237Delta

Sat, Jul 18 - Sat, Jul 25

12:28 pm - 6:05 pm

TUS

ORD

3h 37mnonstop

10:11 pm - 11:59 pm

ORD

TUS

3h 48mnonstop

$245American Airlines

Wed, Apr 8 - Sat, Apr 11

5:05 pm - 12:32 am

TUS

ORD

5h 27m

1 stop

10:11 pm - 11:59 pm

ORD

TUS

3h 48mnonstop

$253American Airlines

Wed, Apr 8 - Sat, Apr 11

1:28 pm - 12:16 am

TUS

ORD

8h 48m

1 stop

5:21 am - 12:43 pm

ORD

TUS

9h 22m

1 stop

$264Frontier

Thu, Mar 26 - Sun, Mar 29

1:20 pm - 11:19 am

TUS

STL

20h 59m

1 stop

8:12 pm - 1:48 pm

STL

TUS

18h 36m

1 stop

$270Frontier

Thu, Mar 5 - Sat, Mar 7

6:29 pm - 12:57 am

TUS

ORD

5h 28m

1 stop

8:55 pm - 8:14 am

ORD

TUS

12h 19m

1 stop

$276Frontier

Fri, Mar 6 - Sat, Mar 7

1:29 pm - 8:54 pm

TUS

STL

5h 25m

1 stop

8:00 am - 5:14 pm

STL

TUS

11h 14m

2 stops

$312United Airlines

Tue, Apr 21 - Sat, Apr 25

5:15 am - 8:00 pm

TUS

STL

12h 45m

2 stops

5:00 pm - 10:10 pm

STL

TUS

7h 10m

2 stops

$317Southwest

Tue, Mar 17 - Tue, Mar 24

5:15 am - 10:25 am

TUS

MDW

3h 10mnonstop

10:55 am - 4:50 pm

MDW

TUS

7h 55m

1 stop

$317Southwest

Tue, Mar 17 - Tue, Mar 24

7:09 am - 4:47 pm

TUS

MLI

8h 38m

2 stops

10:46 am - 6:53 pm

MLI

TUS

9h 07m

1 stop

$424United Airlines

Tue, Mar 3 - Sat, Mar 7

American Airlines flights from Tucson to Illinois

Our best American Airlines deals on Tucson to Illinois flight tickets

American Airlines

Apr 8

TUS12:28 pmTucson

3h 37m

ORD6:05 pmChicago O'Hare Intl

Apr 11

ORD10:11 pmChicago O'Hare Intl

3h 48m

TUS11:59 pmTucson

$245

American Airlines

Apr 8

TUS5:05 pmTucson

5h 27m

1 stop

ORD12:32 amChicago O'Hare Intl

Apr 11

ORD10:11 pmChicago O'Hare Intl

3h 48m

TUS11:59 pmTucson

$253

American Airlines

May 18

TUS6:00 amTucson

3h 32m

ORD11:32 amChicago O'Hare Intl

May 23

ORD9:04 pmChicago O'Hare Intl

3h 48m

TUS10:52 pmTucson

$291

Delta flights from Tucson to Illinois

Our best Delta deals on Tucson to Illinois flight tickets

Delta

Jul 18

TUS7:00 amTucson

8h 30m

1 stop

ORD5:30 pmChicago O'Hare Intl

Jul 25

ORD3:35 pmChicago O'Hare Intl

8h 12m

1 stop

TUS9:47 pmTucson

$237

Delta

Apr 8

TUS3:24 pmTucson

6h 30m

1 stop

ORD11:54 pmChicago O'Hare Intl

Apr 11

ORD6:15 amChicago O'Hare Intl

8h 49m

1 stop

TUS1:04 pmTucson

$282

Delta

Apr 8

TUS6:00 amTucson

10h 02m

2 stops

ORD6:02 pmChicago O'Hare Intl

Apr 11

ORD6:15 amChicago O'Hare Intl

8h 49m

1 stop

TUS1:04 pmTucson

$287

Fly from

Fly to

Route

Depart

Return

Price

TucsonChicago

TUS - ORD

TUSORD

Tucson

Sat 7/18

7:00 am-5:30 pm

1 stop8h 30m

Chicago O'Hare Intl

Sat 7/25

3:35 pm-9:47 pm

1 stop8h 12m

$237

TucsonChicago

TUS - ORD

TUSORD

Tucson

Wed 4/8

12:28 pm-6:05 pm

Nonstop3h 37m

Chicago O'Hare Intl

Sat 4/11

10:11 pm-11:59 pm

Nonstop3h 48m

$245

TucsonChicago

TUS - ORD

TUSORD

Tucson

Wed 4/8

5:05 pm-12:32 am

1 stop5h 27m

Chicago O'Hare Intl

Sat 4/11

10:11 pm-11:59 pm

Nonstop3h 48m

$253

TucsonChicago

TUS - ORD

TUSORD

Tucson

Thu 3/26

1:28 pm-12:16 am

1 stop8h 48m

Chicago O'Hare Intl

Sun 3/29

5:21 am-12:43 pm

1 stop9h 22m

$264

TucsonSt. Louis

TUS - STL

TUSSTL

Tucson

Thu 3/5

1:20 pm-11:19 am

1 stop20h 59m

Lambert-St Louis

Sat 3/7

8:12 pm-1:48 pm

1 stop18h 36m

$270

TucsonChicago

TUS - ORD

TUSORD

Tucson

Fri 3/6

6:29 pm-12:57 am

1 stop5h 28m

Chicago O'Hare Intl

Sat 3/7

8:55 pm-8:14 am

1 stop12h 19m

$276

TucsonSt. Louis

TUS - STL

TUSSTL

Tucson

Tue 4/21

1:29 pm-8:54 pm

1 stop5h 25m

Lambert-St Louis

Sat 4/25

8:00 am-5:14 pm

2 stops11h 14m

$312

TucsonSt. Louis

TUS - STL

TUSSTL

Tucson

Tue 3/17

5:15 am-8:00 pm

2 stops12h 45m

Lambert-St Louis

Tue 3/24

5:00 pm-10:10 pm

2 stops7h 10m

$317

TucsonChicago

TUS - MDW

TUSMDW

Tucson

Tue 3/17

5:15 am-10:25 am

Nonstop3h 10m

Chicago Midway

Tue 3/24

10:55 am-4:50 pm

1 stop7h 55m

$317

TucsonMoline

TUS - MLI

TUSMLI

Tucson

Tue 3/3

7:09 am-4:47 pm

2 stops8h 38m

Moline Quad-City

Sat 3/7

10:46 am-6:53 pm

1 stop9h 07m

$424

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Tucson to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Tucson is in August. Flight prices, which tend to average around $291, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of August, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $377.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Tucson to Illinois is on a Thursday when prices can be found for as low as $470. Flights from Tucson to Illinois on a Sunday will generally be more expensive and average around $616. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is at noon. Flights from Tucson to Illinois during this time can be as low as $486. Flights in the afternoon are often more expensive with an average ticket price of $711.

What is the cheapest Tucson to Illinois flight route?

Fly from Tucson to Chicago Midway for the best Tucson - Illinois flight prices

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from Tucson when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $420 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Tucson for as low as $328 on momondo.

What cabin class options are available on Tucson to Illinois flights?

There are 4 cabin classes available to choose from on Tucson to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Tucson to Illinois flights?

You could potentially save up to 19% on your flight if you consider stops on a Tucson to Illinois flight.

Cheap Tucson to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Tucson to Illinois

Best Price Found	$229
Fastest flight time	3h 10m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Tucson in the past 72 hours is $229. The best round-trip flight deal from Tucson to Illinois found on momondo in the last 72 hours is $371.

The fastest flight from Tucson to Illinois takes 3h 10m

Direct flights go from Tucson to Illinois every day.

There are 98 airports in Illinois. From Tucson there are direct flights to Chicago O'Hare Intl (ORD), Chicago Midway (MDW).

Search flight deals

When did momondo last update prices for flights from Tucson Airport to Illinois?
Prices for flights from Tucson Airport to Illinois are updated daily.
How many operators does momondo search for flights from Tucson Airport to Illinois?
The number of operators available for flights from Tucson Airport to Illinois is 5 as of February 2026.
How old do you have to be to fly from Tucson Airport to Illinois?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Tucson Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Tucson to Illinois?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Tucson to Illinois is Embraer 175 (Enhanced Winglets) (26.46% of total bookings). The next most popular plane models are Boeing 737-800 (22.18%), Airbus A319 (17.51%), and Boeing 737 MAX 8 (8.95%).

Best airlines flying from Tucson to Illinois

Compare and see reviews for airlines that fly from Tucson to Illinois with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $156	Free Cancellation	Rating 5.7 3,048 reviews	Search Frontier flights
American Airlines	PriceFrom $256	Free Cancellation	Rating 7.2 11,313 reviews	Search American Airlines flights
United Airlines	PriceFrom $270	Free Cancellation	Rating 7.4 9,321 reviews	Search United Airlines flights
Southwest	PriceFrom $300	Free Cancellation	Rating 8.0 4,295 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Tucson to Illinois?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Tucson to Illinois for you.

Can I find flights from Tucson to Illinois with flexible booking policies on momondo?

momondo does allow users to show only those flights to Illinois from Tucson which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Tucson to Illinois?

momondo provides multiple filters to help you find the best flight to Illinois from Tucson. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Tucson to Illinois right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Tucson to Illinois now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Illinois and let you know when they change.

An easier way to manage your Illinois trip

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Popular cities in Illinois

Flights to New Yorkfrom $52

Flights to Los Angelesfrom $51

Flights to Miamifrom $49

Flights to Orlandofrom $49

Flights to Chicagofrom $53

Flights to San Franciscofrom $63

Flights to Las Vegasfrom $51

Flights to Washington, D.C.from $56

Flights to Bostonfrom $69

Flights to Atlantafrom $49

Flights to Dallasfrom $49

Flights to Seattlefrom $51

Cheap flights from Tucson to Illinois from $71

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Tucson to Illinois departing on 4/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Tucson to Illinois

Our best American Airlines deals on Tucson to Illinois flight tickets

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How to get the cheapest flight ticket from Tucson to Illinois

What is the cheapest month to fly to Illinois?

What is the cheapest day to depart on your flight to Illinois?

What is the cheapest time of day to depart on your flight to Illinois?

What is the cheapest Tucson to Illinois flight route?

How far in advance should I book a flight to Illinois?

What cabin class options are available on Tucson to Illinois flights?

Can stopping save me money on Tucson to Illinois flights?

What is the cheapest airline that flies from Tucson to Illinois?

What airlines fly to Illinois?

How many flights depart from Tucson to Illinois on average per day?

How many flights depart from Tucson to Illinois on average per week?

Cheap Tucson to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Tucson to Illinois

Best Price Found

Fastest flight time

Direct flights

Airports in Illinois

Best airlines flying from Tucson to Illinois

Compare and see reviews for airlines that fly from Tucson to Illinois with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Tucson to Illinois?

Can I find flights from Tucson to Illinois with flexible booking policies on momondo?

How can momondo help me find flights from Tucson to Illinois?

I’m not ready to book a flight from Tucson to Illinois right now. Can momondo alert me if prices change?

An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Illinois

Popular cities in Illinois

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