What airlines fly to Tucson?

Allegiant Air, American Airlines and United Airlines are the top three most popular airlines that fly to Tucson from Illinois according to our data. Allegiant Air is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Tucson. Keep in mind that there are 5 different airlines that fly to Tucson on a routine basis, so you have a few additional options to choose from.

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

33 flights are operational weekly from Illinois to Tucson as of November 2025. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.

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

Frontier, Sun Country Air, and Delta are the most popular carriers operating from Illinois to Tucson

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

4 flights are operational daily from Illinois to Tucson as of November 2025. The most popular departure time for this route is 7:00PM, with 47% of flights per day taking off in the evening.

How long does it take to fly to Tucson?

On average, it takes 3h 47m to fly from Illinois to Tucson if you fly out of Chicago (the most popular airport in Illinois) and into Tucson (the most popular airport in Tucson). If you’re flying out of Moline and into Tucson, then the flight time is around 6h 05m.

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

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

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

There are 5 operators available for flights from Illinois to Tucson Airport as of November 2025.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Tucson Airport.

What documentation or ID do you need to fly to Tucson Airport?

The required travel and health documents for your Tucson Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Tucson Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$62 Cheap Flights from Illinois to Tucson in 2025/26

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Find the cheapest flights from Illinois to Tucson

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Cheap round-trip flights

Enter your travel dates to find the best prices.

9:59 am - 4:44 pmSTL-TUS

7h 45m1 stop

2:38 pm - 11:25 pmTUS-STL

7h 47m1 stop

$267Delta

Find Deal

Mi, ian 14 - Du, ian 18

5:00 pm - 10:07 pmMLI-TUS

7h 07m1 stop

12:40 pm - 10:34 pmTUS-MLI

7h 54m1 stop

$269Delta

Find Deal

Sâ, apr 4 - Mi, apr 8

4:19 pm - 10:47 pmPIA-TUS

7h 28m1 stop

4:54 pm - 10:59 pmTUS-PIA

5h 05m1 stop

$269American Airlines

Find Deal

Vi, dec 5 - Lu, dec 8

5:55 pm - 11:06 pmSTL-TUS

6h 11m1 stop

2:47 pm - 11:21 pmTUS-STL

7h 34m2 stops

$272American Airlines

Find Deal

Ma, feb 17 - Sâ, feb 21

5:37 pm - 10:00 pmMLI-TUS

6h 23m1 stop

7:25 am - 7:04 pmTUS-MLI

9h 39m2 stops

$274United Airlines

Find Deal

Jo, apr 9 - Sâ, apr 11

10:10 pm - 6:58 pmSTL-TUS

21h 48m1 stop

7:20 pm - 4:24 pmTUS-STL

20h 04m1 stop

$276Frontier

Find Deal

Sâ, dec 20 - Ma, dec 23

7:00 am - 11:45 amORD-TUS

5h 45m1 stop

6:00 am - 11:50 pmTUS-ORD

16h 50m2 stops

$291Multiple Airlines

Find Deal

Vi, dec 5 - Lu, dec 8

7:00 am - 11:55 amORD-TUS

5h 55m1 stop

11:36 am - 10:09 pmTUS-ORD

9h 33m1 stop

$297Frontier

Find Deal

Lu, ian 5 - Lu, ian 19

7:00 am - 3:45 pmORD-TUS

9h 45m1 stop

11:29 am - 9:58 pmTUS-ORD

9h 29m1 stop

$317Multiple Airlines

Find Deal

Ma, feb 24 - Jo, feb 26

5:37 pm - 10:00 pmMLI-TUS

6h 23m1 stop

6:00 am - 7:04 pmTUS-MLI

11h 04m2 stops

$354United Airlines

Find Deal

Sâ, apr 4 - Mi, apr 8

Delta flights from Illinois to Tucson

Our best Delta deals on Illinois to Tucson flight tickets

Delta

Jan 14

STL9:59 amLambert-St Louis

7h 45m

1 stop

TUS4:44 pmTucson

Jan 18

TUS2:38 pmTucson

7h 47m

1 stop

STL11:25 pmLambert-St Louis

$267

Find similar

Delta

Apr 4

MLI5:00 pmMoline Quad-City

7h 07m

1 stop

TUS10:07 pmTucson

Apr 8

TUS12:40 pmTucson

7h 54m

1 stop

MLI10:34 pmMoline Quad-City

$269

Find similar

Delta

Apr 7

STL6:30 amLambert-St Louis

8h 31m

1 stop

TUS1:01 pmTucson

Apr 14

TUS5:00 pmTucson

5h 36m

1 stop

STL12:36 amLambert-St Louis

$287

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American Airlines flights from Illinois to Tucson

Our best American Airlines deals on Illinois to Tucson flight tickets

American Airlines

Nov 24

STL5:17 amLambert-St Louis

5h 22m

1 stop

TUS9:39 amTucson

Nov 24

TUS5:55 pmTucson

4h 56m

1 stop

STL11:51 pmLambert-St Louis

$267

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American Airlines

Dec 5

PIA4:19 pmGreater Peoria

7h 28m

1 stop

TUS10:47 pmTucson

Dec 8

TUS4:54 pmTucson

5h 05m

1 stop

PIA10:59 pmGreater Peoria

$269

Find similar

American Airlines

Feb 17

STL5:55 pmLambert-St Louis

6h 11m

1 stop

TUS11:06 pmTucson

Feb 21

TUS2:47 pmTucson

7h 34m

2 stops

STL11:21 pmLambert-St Louis

$272

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisTucson

STL - TUS

STLTUS

Lambert-St Louis

Mi 1/14

9:59 am-4:44 pm

1 stop7h 45m

Tucson

Du 1/18

2:38 pm-11:25 pm

1 stop7h 47m

$267

MolineTucson

MLI - TUS

MLITUS

Moline Quad-City

Sâ 4/4

5:00 pm-10:07 pm

1 stop7h 07m

Tucson

Mi 4/8

12:40 pm-10:34 pm

1 stop7h 54m

$269

PeoriaTucson

PIA - TUS

PIATUS

Greater Peoria

Vi 12/5

4:19 pm-10:47 pm

1 stop7h 28m

Tucson

Lu 12/8

4:54 pm-10:59 pm

1 stop5h 05m

$269

St. LouisTucson

STL - TUS

STLTUS

Lambert-St Louis

Ma 2/17

5:55 pm-11:06 pm

1 stop6h 11m

Tucson

Sâ 2/21

2:47 pm-11:21 pm

2 stops7h 34m

$272

MolineTucson

MLI - TUS

MLITUS

Moline Quad-City

Jo 4/9

5:37 pm-10:00 pm

1 stop6h 23m

Tucson

Sâ 4/11

7:25 am-7:04 pm

2 stops9h 39m

$274

St. LouisTucson

STL - TUS

STLTUS

Lambert-St Louis

Sâ 12/20

10:10 pm-6:58 pm

1 stop21h 48m

Tucson

Ma 12/23

7:20 pm-4:24 pm

1 stop20h 04m

$276

ChicagoTucson

ORD - TUS

ORDTUS

Chicago O'Hare Intl

Vi 12/5

7:00 am-11:45 am

1 stop5h 45m

Tucson

Lu 12/8

6:00 am-11:50 pm

2 stops16h 50m

$291

ChicagoTucson

ORD - TUS

ORDTUS

Chicago O'Hare Intl

Lu 1/5

7:00 am-11:55 am

1 stop5h 55m

Tucson

Lu 1/19

11:36 am-10:09 pm

1 stop9h 33m

$297

ChicagoTucson

ORD - TUS

ORDTUS

Chicago O'Hare Intl

Ma 2/24

7:00 am-3:45 pm

1 stop9h 45m

Tucson

Jo 2/26

11:29 am-9:58 pm

1 stop9h 29m

$317

MolineTucson

MLI - TUS

MLITUS

Moline Quad-City

Sâ 4/4

5:37 pm-10:00 pm

1 stop6h 23m

Tucson

Mi 4/8

6:00 am-7:04 pm

2 stops11h 04m

$354

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How to get the cheapest flight ticket from Illinois to Tucson

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 Tucson?

In general, September is the cheapest month to fly from Illinois to Tucson. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $276. If you don’t want to visit Tucson in September, then you should wait until October to fly from Illinois, when ticket prices are also cheap, with an average price of $378.

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

According to our data, Wednesday is the cheapest day to fly to Tucson from Illinois. The lowest ticket price found for a Wednesday departure recently was $434. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Illinois to Tucson for around $512.

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

In the afternoon is the cheapest time of day to fly from Illinois to Tucson when you can find flight prices for as low as $431. Flying to Tucson in the afternoon is an ideal time because this is during off-peak travel hours. Flights at noon are often more expensive with an average ticket price of $564.

What is the cheapest Illinois to Tucson flight route?

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

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

You are more likely to see cheaper flights to Tucson from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Tucson for around $437 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Tucson from Illinois for as low as $361 on momondo.

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

There are 4 cabin classes available to choose from on Illinois to Tucson 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 Illinois to Tucson flights?

You could potentially save up to 18% on your flight if you consider stops on a Illinois to Tucson flight.

Cheap Illinois to Tucson flight deals and tips

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

Best Price Found	$225
Fastest flight time	3h 45m
Direct flights	Every day
Airports in Tucson	1 airport

The best one-way flight to Tucson from Illinois in the past 72 hours is $225. The best round-trip flight deal from Illinois to Tucson found on momondo in the last 72 hours is $350.

The fastest flight from Illinois to Tucson takes 3h 45m

Direct flights go from Illinois to Tucson every day.

There is 1 airport near Tucson: Tucson (TUS)

Search flight deals

When did momondo last update prices for flights from Illinois to Tucson Airport?
Prices for flights from Illinois to Tucson Airport are updated daily.
How many operators does momondo search for flights from Illinois to Tucson Airport?
There are 5 operators available for flights from Illinois to Tucson Airport as of November 2025.
How old do you have to be to fly from Illinois to Tucson Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Tucson Airport.
What documentation or ID do you need to fly to Tucson Airport?
The required travel and health documents for your Tucson Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Tucson Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Illinois to Tucson?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Illinois to Tucson is Boeing 737-800 (24.09% of total bookings). The next most popular plane models are Embraer 175 (Enhanced Winglets) (23.72%), Boeing 737-700 (10.40%), and Boeing 737 MAX 8 (9.31%).

Best airlines flying from Illinois to Tucson

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $109	Free Cancellation	Rating 5.8 3,111 reviews	Search Frontier flights
American Airlines	PriceFrom $208	Free Cancellation	Rating 7.2 11,047 reviews	Search American Airlines flights
United Airlines	PriceFrom $274	Free Cancellation	Rating 7.4 9,011 reviews	Search United Airlines flights
Southwest	PriceFrom $291	Free Cancellation	Rating 8.0 4,238 reviews	Search Southwest flights

Tombstone

Bisbee

Sierra Vista

Oro Valley

Green Valley

Nogales

Douglas

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Tucson from Illinois.

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

All flight searches from Illinois to Tucson on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Illinois to Tucson flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

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

An easier way to manage your Tucson 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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Cheap flights from Illinois to Tucson from $62

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Tucson departing on 1/18. 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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Delta flights from Illinois to Tucson

Our best Delta deals on Illinois to Tucson flight tickets

American Airlines flights from Illinois to Tucson

Our best American Airlines deals on Illinois to Tucson flight tickets

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How to get the cheapest flight ticket from Illinois to Tucson

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 Tucson?

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

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

What is the cheapest Illinois to Tucson flight route?

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

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

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

There are 4 cabin classes available to choose from on Illinois to Tucson 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 Illinois to Tucson flights?

You could potentially save up to 18% on your flight if you consider stops on a Illinois to Tucson flight.

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

Frontier, Sun Country Air, and Delta are the most popular carriers operating from Illinois to Tucson

What airlines fly to Tucson?

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

4 flights are operational daily from Illinois to Tucson as of November 2025. The most popular departure time for this route is 7:00PM, with 47% of flights per day taking off in the evening.

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

33 flights are operational weekly from Illinois to Tucson as of November 2025. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.

How long does it take to fly to Tucson?

On average, it takes 3h 47m to fly from Illinois to Tucson if you fly out of Chicago (the most popular airport in Illinois) and into Tucson (the most popular airport in Tucson). If you’re flying out of Moline and into Tucson, then the flight time is around 6h 05m.

Cheap Illinois to Tucson flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Tucson

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

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

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

What documentation or ID do you need to fly to Tucson Airport?

What is the most popular plane model from Illinois to Tucson?

Best airlines flying from Illinois to Tucson

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

Traveling to a place near Tucson?

Why use momondo?

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

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

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

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

An easier way to manage your Tucson 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 the United States

Airports servicing Arizona