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

Frontier, American Airlines, and Southwest 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 9 per day as of July 2025. The most frequent departure time is 6:00AM, with 64% of daily flights leaving at noon.

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

As of July 2025, 68 flights take off from Tucson and land in Illinois each week. The most common flight departure day for this route is Thu, with 18% of weekly flights taking off on this day.

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 62% 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.

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 July 2025.

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.

$119 Cheap Flights from Tucson to Illinois in 2025

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Find the cheapest flights from Tucson to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

11:22 am - 12:32 amTUS-ORD

11h 10m1 stop

8:25 am - 10:45 amORD-TUS

28h 20m1 stop

$237Frontier

Find Deal

Sun, Aug 31 - Sat, Sep 6

11:30 am - 12:32 amTUS-ORD

11h 02m1 stop

6:00 am - 10:37 amORD-TUS

6h 37m1 stop

$238Frontier

Find Deal

Thu, Aug 14 - Thu, Aug 21

12:54 pm - 10:02 pmTUS-STL

7h 08m1 stop

6:01 am - 11:47 amSTL-TUS

7h 46m1 stop

$267Delta

Find Deal

Wed, Sep 3 - Sat, Sep 13

12:25 pm - 5:55 pmTUS-ORD

3h 30mnonstop

9:45 am - 11:35 amORD-TUS

3h 50mnonstop

$268American Airlines

Find Deal

Sat, Sep 13 - Tue, Sep 16

12:25 pm - 5:55 pmTUS-ORD

3h 30mnonstop

9:45 am - 11:35 amORD-TUS

3h 50mnonstop

$269American Airlines

Find Deal

Wed, Sep 3 - Wed, Sep 17

6:45 am - 12:00 pmTUS-MDW

3h 15mnonstop

5:45 pm - 7:20 pmMDW-TUS

3h 35mnonstop

$269Southwest

Find Deal

Sat, Aug 30 - Sat, Sep 6

1:40 pm - 10:42 pmTUS-ORD

7h 02m1 stop

8:49 am - 10:43 amORD-TUS

3h 54mnonstop

$279United Airlines

Find Deal

Wed, Sep 17 - Wed, Sep 24

6:45 am - 12:00 pmTUS-MDW

3h 15mnonstop

5:05 pm - 8:45 pmMDW-TUS

5h 40m1 stop

$279Southwest

Find Deal

Sat, Aug 30 - Sat, Sep 6

12:57 pm - 9:10 pmTUS-MDW

6h 13m1 stop

6:00 am - 11:47 amMDW-TUS

7h 47m1 stop

$289Delta

Find Deal

Sat, Sep 13 - Tue, Sep 16

11:20 am - 5:04 pmTUS-ORD

3h 44mnonstop

8:50 am - 10:57 amORD-TUS

4h 07mnonstop

$303United Airlines

Find Deal

Tue, Aug 19 - Sun, Aug 24

American Airlines flights from Tucson to Illinois

Our best American Airlines deals on Tucson to Illinois flight tickets

American Airlines

Sep 13

TUS12:25 pmTucson

3h 30m

ORD5:55 pmChicago O'Hare Intl

Sep 16

ORD9:45 amChicago O'Hare Intl

3h 50m

TUS11:35 amTucson

$268

Find similar

American Airlines

Sep 3

TUS12:25 pmTucson

3h 30m

ORD5:55 pmChicago O'Hare Intl

Sep 17

ORD9:45 amChicago O'Hare Intl

3h 50m

TUS11:35 amTucson

$269

Find similar

American Airlines

Sep 3

TUS10:06 amTucson

8h 09m

2 stops

STL8:15 pmLambert-St Louis

Sep 13

STL5:18 amLambert-St Louis

7h 27m

1 stop

TUS10:45 amTucson

$272

Find similar

Frontier flights from Tucson to Illinois

Our best Frontier deals on Tucson to Illinois flight tickets

Frontier

Aug 7

TUS12:45 pmTucson

22h 57m

1 stop

STL1:42 pmLambert-St Louis

Aug 9

STL7:29 pmLambert-St Louis

17h 16m

1 stop

TUS10:45 amTucson

$215

Find similar

Frontier

Aug 31

TUS11:22 amTucson

11h 10m

1 stop

ORD12:32 amChicago O'Hare Intl

Sep 6

ORD8:25 amChicago O'Hare Intl

28h 20m

1 stop

TUS10:45 amTucson

$237

Find similar

Frontier

Aug 14

TUS11:30 amTucson

11h 02m

1 stop

ORD12:32 amChicago O'Hare Intl

Aug 21

ORD6:00 amChicago O'Hare Intl

6h 37m

1 stop

TUS10:37 amTucson

$238

Find similar

Fly from

Fly to

Route

Depart

Return

Price

TucsonChicago

TUS - ORD

TUSORD

Tucson

Sun 8/31

11:22 am-12:32 am

1 stop11h 10m

Chicago O'Hare Intl

Sat 9/6

8:25 am-10:45 am

1 stop28h 20m

$237

TucsonChicago

TUS - ORD

TUSORD

Tucson

Thu 8/14

11:30 am-12:32 am

1 stop11h 02m

Chicago O'Hare Intl

Thu 8/21

6:00 am-10:37 am

1 stop6h 37m

$238

TucsonSt. Louis

TUS - STL

TUSSTL

Tucson

Wed 9/3

12:54 pm-10:02 pm

1 stop7h 08m

Lambert-St Louis

Sat 9/13

6:01 am-11:47 am

1 stop7h 46m

$267

TucsonChicago

TUS - ORD

TUSORD

Tucson

Sat 9/13

12:25 pm-5:55 pm

Nonstop3h 30m

Chicago O'Hare Intl

Tue 9/16

9:45 am-11:35 am

Nonstop3h 50m

$268

TucsonChicago

TUS - ORD

TUSORD

Tucson

Wed 9/3

12:25 pm-5:55 pm

Nonstop3h 30m

Chicago O'Hare Intl

Wed 9/17

9:45 am-11:35 am

Nonstop3h 50m

$269

TucsonChicago

TUS - MDW

TUSMDW

Tucson

Sat 8/30

6:45 am-12:00 pm

Nonstop3h 15m

Chicago Midway

Sat 9/6

5:45 pm-7:20 pm

Nonstop3h 35m

$269

TucsonChicago

TUS - ORD

TUSORD

Tucson

Wed 9/17

1:40 pm-10:42 pm

1 stop7h 02m

Chicago O'Hare Intl

Wed 9/24

8:49 am-10:43 am

Nonstop3h 54m

$279

TucsonChicago

TUS - MDW

TUSMDW

Tucson

Sat 8/30

6:45 am-12:00 pm

Nonstop3h 15m

Chicago Midway

Sat 9/6

5:05 pm-8:45 pm

1 stop5h 40m

$279

TucsonChicago

TUS - MDW

TUSMDW

Tucson

Sat 9/13

12:57 pm-9:10 pm

1 stop6h 13m

Chicago Midway

Tue 9/16

6:00 am-11:47 am

1 stop7h 47m

$289

TucsonChicago

TUS - ORD

TUSORD

Tucson

Tue 8/19

11:20 am-5:04 pm

Nonstop3h 44m

Chicago O'Hare Intl

Sun 8/24

8:50 am-10:57 am

Nonstop4h 07m

$303

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 January. Flight prices, which tend to average around $373, 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 January, 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 Wednesday when prices can be found for as low as $474. Flights from Tucson to Illinois on a Sunday will generally be more expensive and average around $565. 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 in the evening. Flights from Tucson to Illinois during this time can be as low as $471. Flights in the afternoon are often more expensive with an average ticket price of $513.

What is the cheapest Tucson to Illinois flight route?

Fly from Tucson to Chicago O'Hare Intl 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 $442 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 $331 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 26% 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	$119
Fastest flight time	3h 10m
Direct flights	Every day
Airports in Illinois	4 airports

The best one-way flight to Illinois from Tucson in the past 72 hours is $119. The best round-trip flight deal from Tucson to Illinois found on momondo in the last 72 hours is $237.

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

Direct flights go from Tucson to Illinois every day.

There are 4 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL), Moline Quad-City (MLI)

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 July 2025.
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) (30.32% of total bookings). The next most popular plane models are Boeing 737-800 (21.11%), Airbus A319 (18.43%), and Boeing 737 MAX 8 (7.37%).

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 $110	Free Cancellation	Rating 5.9 3,239 reviews	Search Frontier flights
United Airlines	PriceFrom $223	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights
American Airlines	PriceFrom $236	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $311	Free Cancellation	Rating 8.0 4,246 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

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.

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Find better results for your trip to Illinois

Popular cities in Illinois

Flights to New Yorkfrom $39

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Flights to Chicagofrom $59

Flights to Orlandofrom $54

Flights to Las Vegasfrom $35

Flights to San Franciscofrom $49

Flights to Washington, D.C.from $49

Flights to Bostonfrom $77

Flights to Atlantafrom $29

Flights to Dallasfrom $55

Flights to Seattlefrom $93

Cheap flights from Tucson to Illinois from $119

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 10/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Tucson to Illinois

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

American Airlines flights from Tucson to Illinois

Our best American Airlines deals on Tucson to Illinois flight tickets

Frontier flights from Tucson to Illinois

Our best Frontier deals on Tucson to Illinois flight tickets

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

See travel insights to Illinois from

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

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?

Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from Tucson to Illinois during this time can be as low as $471. Flights in the afternoon are often more expensive with an average ticket price of $513.

What is the cheapest Tucson to Illinois flight route?

Fly from Tucson to Chicago O'Hare Intl for the best Tucson - Illinois flight prices

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

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 26% on your flight if you consider stops on a Tucson to Illinois flight.

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

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

What airlines fly to Illinois?

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

The number of flights available between Tucson and Illinois is 9 per day as of July 2025. The most frequent departure time is 6:00AM, with 64% of daily flights leaving at noon.

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

As of July 2025, 68 flights take off from Tucson and land in Illinois each week. The most common flight departure day for this route is Thu, with 18% of weekly flights taking off on this day.

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

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

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

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

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

What is the most popular plane model from Tucson to 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

Popular flights according to clicks in the last 7 days on momondo