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

Frontier, United Airlines, and Southwest are the most popular carriers operating from Chicago to Tucson

What airlines fly to Tucson?

American Airlines, United Airlines and Allegiant Air are the top three most popular airlines that fly to Tucson from Chicago 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 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 Chicago to Tucson on average per week?

The number of flights available between Chicago and Tucson is 18 per week as of August 2025. The most frequent departure day is Mon, with 22% of weekly flights leaving on this day.

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

2 flights are operational daily from Chicago to Tucson as of August 2025. The most popular departure time for this route is 9:00AM, with 94% of flights per day taking off at noon.

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

Prices for flights from Chicago to Tucson Airport are refreshed on a daily basis.

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

As of August 2025, there are 4 operators available to choose from for flights from Chicago to Tucson Airport.

How old do you have to be to fly from Chicago 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 Chicago 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.

$72 Cheap Flights from Chicago to Tucson (CHI-TUS) in 2025

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Find the cheapest flights from Chicago to Tucson (CHI-TUS)

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

6:00 am - 10:45 amORD-TUS

6h 45m1 stop

11:35 am - 11:59 pmTUS-ORD

10h 24m1 stop

$144Frontier

Find Deal

Thu, Sep 11 - Fri, Sep 12

6:00 am - 10:45 amORD-TUS

6h 45m1 stop

11:35 am - 11:59 pmTUS-ORD

10h 24m1 stop

$150Frontier

Find Deal

Thu, Sep 11 - Fri, Sep 12

6:00 am - 11:47 amORD-TUS

6h 47m1 stop

6:00 am - 4:57 pmTUS-ORD

9h 57m1 stop

$210

Find Deal

Thu, Nov 13 - Sat, Nov 15

8:49 am - 10:43 amORD-TUS

3h 54mnonstop

11:39 am - 5:10 pmTUS-ORD

3h 31mnonstop

$247United Airlines

Find Deal

Tue, Sep 16 - Tue, Sep 23

8:30 am - 11:20 amMDW-TUS

3h 50mnonstop

7:40 am - 11:50 amTUS-MDW

3h 10mnonstop

$247Southwest

Find Deal

Wed, Nov 12 - Sat, Nov 15

10:19 am - 12:06 pmORD-TUS

3h 47mnonstop

2:59 pm - 12:30 amTUS-ORD

7h 31m1 stop

$249American Airlines

Find Deal

Wed, Oct 8 - Wed, Oct 8

9:45 am - 11:35 amORD-TUS

3h 50mnonstop

12:25 pm - 5:55 pmTUS-ORD

3h 30mnonstop

$254American Airlines

Find Deal

Wed, Sep 24 - Wed, Oct 1

8:49 am - 10:43 amORD-TUS

3h 54mnonstop

1:40 pm - 11:59 pmTUS-ORD

8h 19m1 stop

$257United Airlines

Find Deal

Tue, Sep 16 - Wed, Sep 17

8:30 am - 10:10 amMDW-TUS

3h 40mnonstop

3:45 pm - 12:05 amTUS-MDW

6h 20m1 stop

$257Southwest

Find Deal

Mon, Sep 22 - Mon, Sep 29

6:00 am - 11:47 amORD-TUS

6h 47m1 stop

6:00 am - 4:57 pmTUS-ORD

9h 57m1 stop

$278

Find Deal

Thu, Nov 13 - Thu, Nov 20

Alaska Airlines flights from Chicago to Tucson

Our best Alaska Airlines deals on Chicago to Tucson flight tickets

Alaska Airlines

Nov 1

ORD3:25 pmChicago O'Hare Intl

9h 32m

1 stop

TUS10:57 pmTucson

Nov 5

TUS7:30 amTucson

20h 31m

1 stop

ORD5:01 amChicago O'Hare Intl

$267

Find similar

Alaska Airlines

Nov 13

ORD5:53 pmChicago O'Hare Intl

22h 46m

1 stop

TUS3:39 pmTucson

Nov 15

TUS7:30 amTucson

13h 10m

2 stops

ORD9:40 pmChicago O'Hare Intl

$326

Find similar

Alaska Airlines

Nov 5

ORD3:25 pmChicago O'Hare Intl

9h 29m

1 stop

TUS11:54 pmTucson

Nov 12

TUS6:00 amTucson

14h 40m

1 stop

ORD9:40 pmChicago O'Hare Intl

$331

Find similar

Delta flights from Chicago to Tucson

Our best Delta deals on Chicago to Tucson flight tickets

Delta

Nov 12

MDW6:00 amChicago Midway

7h 43m

1 stop

TUS12:43 pmTucson

Nov 15

TUS1:48 pmTucson

8h 44m

1 stop

MDW11:32 pmChicago Midway

$267

Find similar

Delta

Nov 1

ORD1:25 pmChicago O'Hare Intl

10h 00m

2 stops

TUS9:25 pmTucson

Nov 5

TUS12:15 pmTucson

8h 28m

1 stop

ORD9:43 pmChicago O'Hare Intl

$272

Find similar

Delta

Nov 1

ORD1:25 pmChicago O'Hare Intl

11h 05m

2 stops

TUS10:30 pmTucson

Nov 5

TUS5:47 pmTucson

13h 45m

2 stops

ORD8:32 amChicago O'Hare Intl

$277

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoTucson

ORD - TUS

ORDTUS

Chicago O'Hare Intl

Thu 9/11

6:00 am-10:45 am

1 stop6h 45m

Tucson

Fri 9/12

11:35 am-11:59 pm

1 stop10h 24m

$144

ChicagoTucson

ORD - TUS

ORDTUS

Chicago O'Hare Intl

Thu 9/11

6:00 am-10:45 am

1 stop6h 45m

Tucson

Fri 9/12

11:35 am-11:59 pm

1 stop10h 24m

$150

ChicagoTucson

ORD - TUS

ORDTUS

Chicago O'Hare Intl

Thu 11/13

6:00 am-11:47 am

1 stop6h 47m

Tucson

Sat 11/15

6:00 am-4:57 pm

1 stop9h 57m

$210

ChicagoTucson

ORD - TUS

ORDTUS

Chicago O'Hare Intl

Tue 9/16

8:49 am-10:43 am

Nonstop3h 54m

Tucson

Tue 9/23

11:39 am-5:10 pm

Nonstop3h 31m

$247

ChicagoTucson

MDW - TUS

MDWTUS

Chicago Midway

Wed 11/12

8:30 am-11:20 am

Nonstop3h 50m

Tucson

Sat 11/15

7:40 am-11:50 am

Nonstop3h 10m

$247

ChicagoTucson

ORD - TUS

ORDTUS

Chicago O'Hare Intl

Wed 10/8

10:19 am-12:06 pm

Nonstop3h 47m

Tucson

Wed 10/8

2:59 pm-12:30 am

1 stop7h 31m

$249

ChicagoTucson

ORD - TUS

ORDTUS

Chicago O'Hare Intl

Wed 9/24

9:45 am-11:35 am

Nonstop3h 50m

Tucson

Wed 10/1

12:25 pm-5:55 pm

Nonstop3h 30m

$254

ChicagoTucson

ORD - TUS

ORDTUS

Chicago O'Hare Intl

Tue 9/16

8:49 am-10:43 am

Nonstop3h 54m

Tucson

Wed 9/17

1:40 pm-11:59 pm

1 stop8h 19m

$257

ChicagoTucson

MDW - TUS

MDWTUS

Chicago Midway

Mon 9/22

8:30 am-10:10 am

Nonstop3h 40m

Tucson

Mon 9/29

3:45 pm-12:05 am

1 stop6h 20m

$257

ChicagoTucson

ORD - TUS

ORDTUS

Chicago O'Hare Intl

Thu 11/13

6:00 am-11:47 am

1 stop6h 47m

Tucson

Thu 11/20

6:00 am-4:57 pm

1 stop9h 57m

$278

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 Chicago 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 Chicago to Tucson. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $389. If you don’t want to visit Tucson in September, then you should wait until August to fly from Chicago, when ticket prices are also cheap, with an average price of $390.

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 Chicago. The lowest ticket price found for a Wednesday departure recently was $429. 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 Chicago to Tucson for around $517.

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 Chicago to Tucson when you can find flight prices for as low as $447. 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 $511.

What is the cheapest Chicago to Tucson flight route?

Fly from Chicago Midway to Tucson for the best Chicago - 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 Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Tucson for around $440 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Tucson from Chicago for as low as $391 on momondo.

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

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

How have Chicago to Tucson flight prices changed over time?

As of August 2025, prices for Chicago to Tucson flights are approximately 22% cheaper when compared to flights at the same time last year.

When to book flights from Chicago to Tucson

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Tucson according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chicago to Tucson (CHI to TUS) flight deals and tips

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

Best Price Found	$123
Fastest flight time	3h 35m
Direct flights	Every day
Airports in Tucson	1 airport

The best one-way flight to Tucson from Chicago in the past 72 hours is $123. The best round-trip flight deal from Chicago to Tucson found on momondo in the last 72 hours is $269.

The fastest flight from Chicago to Tucson takes 3h 35m

Direct flights go from Chicago to Tucson every day.

There is 1 airport near Tucson: Tucson (TUS)

Search flight deals

How far is Chicago to Tucson by plane?
The distance between Chicago and Tucson is about 1442.0 mi. Flights usually cover this in 3h 35m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Chicago to Tucson Airport?
Prices for flights from Chicago to Tucson Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Chicago to Tucson Airport?
As of August 2025, there are 4 operators available to choose from for flights from Chicago to Tucson Airport.
How old do you have to be to fly from Chicago 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 Chicago 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 Chicago to Tucson?
Based on momondo bookings for flights between Chicago and Tucson, the leading plane model is Embraer 175 (Enhanced Winglets), making up 20.53% of the total bookings. Other popular models include Boeing 737-800 with 20.12%, Boeing 737 MAX 8 with 19.72%, and Boeing 737-700 with 8.54%.
What is the most popular airline from Chicago to Tucson?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Chicago to Tucson is American Airlines (62% of total bookings). The next most popular airlines are United Airlines (22%), Southwest (13%), and Frontier (2%).

Best airlines flying from Chicago to Tucson

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $109	Free Cancellation	Rating 5.8 3,200 reviews	Search Frontier flights
American Airlines	PriceFrom $258	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $311	Free Cancellation	Rating 7.4 8,943 reviews	Search United Airlines flights
Southwest	PriceFrom $317	Free Cancellation	Rating 8.0 4,243 reviews	Search Southwest flights

Southwest Flights From Chicago to Tucson
Across 3 Southwest flights from Chicago to Tucson this week, the average price was $465, with the best Southwest deals starting from $317 round-trip. 4,243 users have rated Southwest on momondo, with an average score of 8.0/10.
United Airlines Flights From Chicago to Tucson
The best United Airlines deal for Chicago to Tucson flight tickets found on momondo in the last 72 hours was $311, round-trip. It should be noted that an average United Airlines flight deal for this route in this time was higher, at $502 round-trip. United Airlines operates 11 flights out of Chicago into Tucson in an average week, so prices vary by time and availability. 8,943 United Airlines reviews by users on momondo have scored the airline at 7.4/10.

Tombstone

Bisbee

Sierra Vista

Oro Valley

Green Valley

Nogales

Douglas

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Tucson. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Chicago to Tucson flights to just show those with flexible booking policies.

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

Once you have performed a search for Chicago 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 Chicago to Tucson right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Tucson from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.