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

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

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

The number of flights available between Chicago and Tucson is 33 per week as of December 2025. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

What airlines fly to Tucson?

American Airlines, Allegiant Air and United Airlines 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 47% 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 day?

4 flights are operational daily from Chicago to Tucson as of December 2025. The most popular departure time for this route is 9:00AM, with 54% 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 December 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.

$61 Cheap Flights from Chicago to Tucson in 2025/26

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Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 11:55 am

ORD

TUS

5h 55m1 stop

12:50 pm - 12:12 am

TUS

ORD

10h 22m1 stop

$303Frontier

Tue, Dec 23 - Mon, Dec 29

6:15 am - 5:18 pm

ORD

TUS

12h 03m2 stops

4:06 pm - 11:57 pm

TUS

ORD

6h 51m1 stop

$304Delta

Thu, Feb 26 - Sun, Mar 1

1:28 pm - 10:05 pm

MDW

TUS

9h 37m2 stops

1:34 pm - 10:42 pm

TUS

MDW

8h 08m1 stop

$304Delta

Sat, Feb 14 - Wed, Feb 18

3:54 pm - 11:59 pm

ORD

TUS

9h 05m1 stop

6:00 am - 4:33 pm

TUS

ORD

9h 33m1 stop

$306Alaska Airlines

Mon, Feb 16 - Wed, Feb 18

9:45 am - 12:50 pm

ORD

TUS

4h 05mnonstop

5:56 pm - 12:46 am

TUS

ORD

5h 50m1 stop

$308American Airlines

Thu, Feb 19 - Mon, Feb 23

10:35 am - 10:05 pm

ORD

TUS

12h 30m2 stops

7:15 am - 8:44 pm

TUS

ORD

12h 29m2 stops

$309Delta

Sat, Feb 14 - Wed, Feb 18

7:30 pm - 10:25 pm

MDW

TUS

3h 55mnonstop

6:00 am - 2:20 pm

TUS

MDW

7h 20m1 stop

$311Southwest

Sat, Jan 31 - Thu, Feb 5

8:00 am - 9:28 pm

ORD

TUS

14h 28m2 stops

7:30 am - 11:50 pm

TUS

ORD

15h 20m2 stops

$311Alaska Airlines

Thu, Jan 22 - Sun, Jan 25

10:56 am - 5:53 pm

ORD

TUS

7h 57m1 stop

7:44 am - 12:25 pm

TUS

ORD

3h 41mnonstop

$312United Airlines

Mon, Jan 5 - Fri, Jan 9

1:10 pm - 3:55 pm

MDW

TUS

3h 45mnonstop

7:55 am - 3:25 pm

TUS

MDW

6h 30m1 stop

$312Southwest

Mon, Jan 5 - Fri, Jan 23

United Airlines flights from Chicago to Tucson

Our best United Airlines deals on Chicago to Tucson flight tickets

United Airlines

Jan 5

ORD10:56 amChicago O'Hare Intl

7h 57m

1 stop

TUS5:53 pmTucson

Jan 9

TUS7:44 amTucson

3h 41m

ORD12:25 pmChicago O'Hare Intl

$312

Find similar

United Airlines

Jan 31

ORD1:15 pmChicago O'Hare Intl

4h 22m

TUS4:37 pmTucson

Feb 4

TUS2:32 pmTucson

5h 43m

1 stop

ORD9:15 pmChicago O'Hare Intl

$341

Find similar

United Airlines

Feb 26

ORD2:10 pmChicago O'Hare Intl

8h 39m

1 stop

TUS9:49 pmTucson

Mar 1

TUS7:15 amTucson

3h 38m

ORD11:53 amChicago O'Hare Intl

$345

Find similar

Frontier flights from Chicago to Tucson

Our best Frontier deals on Chicago to Tucson flight tickets

Frontier

Dec 23

ORD7:00 amChicago O'Hare Intl

5h 55m

1 stop

TUS11:55 amTucson

Dec 29

TUS12:50 pmTucson

10h 22m

1 stop

ORD12:12 amChicago O'Hare Intl

$303

Find similar

Frontier

Dec 22

ORD7:00 amChicago O'Hare Intl

5h 55m

1 stop

TUS11:55 amTucson

Dec 30

TUS12:50 pmTucson

10h 22m

1 stop

ORD12:12 amChicago O'Hare Intl

$304

Find similar

Frontier

Dec 5

ORD7:00 amChicago O'Hare Intl

5h 45m

1 stop

TUS11:45 amTucson

Dec 12

TUS12:30 pmTucson

10h 42m

1 stop

ORD12:12 amChicago O'Hare Intl

$307

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoTucson

ORD - TUS

ORDTUS

Chicago O'Hare Intl

Tue 12/23

7:00 am-11:55 am

1 stop5h 55m

Tucson

Mon 12/29

12:50 pm-12:12 am

1 stop10h 22m

$303

ChicagoTucson

ORD - TUS

ORDTUS

Chicago O'Hare Intl

Thu 2/26

6:15 am-5:18 pm

2 stops12h 03m

Tucson

Sun 3/1

4:06 pm-11:57 pm

1 stop6h 51m

$304

ChicagoTucson

MDW - TUS

MDWTUS

Chicago Midway

Sat 2/14

1:28 pm-10:05 pm

2 stops9h 37m

Tucson

Wed 2/18

1:34 pm-10:42 pm

1 stop8h 08m

$304

ChicagoTucson

ORD - TUS

ORDTUS

Chicago O'Hare Intl

Mon 2/16

3:54 pm-11:59 pm

1 stop9h 05m

Tucson

Wed 2/18

6:00 am-4:33 pm

1 stop9h 33m

$306

ChicagoTucson

ORD - TUS

ORDTUS

Chicago O'Hare Intl

Thu 2/19

9:45 am-12:50 pm

Nonstop4h 05m

Tucson

Mon 2/23

5:56 pm-12:46 am

1 stop5h 50m

$308

ChicagoTucson

ORD - TUS

ORDTUS

Chicago O'Hare Intl

Sat 2/14

10:35 am-10:05 pm

2 stops12h 30m

Tucson

Wed 2/18

7:15 am-8:44 pm

2 stops12h 29m

$309

ChicagoTucson

MDW - TUS

MDWTUS

Chicago Midway

Sat 1/31

7:30 pm-10:25 pm

Nonstop3h 55m

Tucson

Thu 2/5

6:00 am-2:20 pm

1 stop7h 20m

$311

ChicagoTucson

ORD - TUS

ORDTUS

Chicago O'Hare Intl

Thu 1/22

8:00 am-9:28 pm

2 stops14h 28m

Tucson

Sun 1/25

7:30 am-11:50 pm

2 stops15h 20m

$311

ChicagoTucson

ORD - TUS

ORDTUS

Chicago O'Hare Intl

Mon 1/5

10:56 am-5:53 pm

1 stop7h 57m

Tucson

Fri 1/9

7:44 am-12:25 pm

Nonstop3h 41m

$312

ChicagoTucson

MDW - TUS

MDWTUS

Chicago Midway

Mon 1/5

1:10 pm-3:55 pm

Nonstop3h 45m

Tucson

Fri 1/23

7:55 am-3:25 pm

1 stop6h 30m

$312

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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 $276. If you don’t want to visit Tucson in September, then you should wait until October to fly from Chicago, 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 Chicago. The lowest ticket price found for a Wednesday departure recently was $440. 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 $538.

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

In the evening is the cheapest time of day to fly from Chicago to Tucson when you can find flight prices for as low as $470. Flying to Tucson in the evening 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 $575.

What is the cheapest Chicago to Tucson flight route?

Fly from Chicago O'Hare Intl 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 $443 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 $361 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.

Can stopping save me money on Chicago to Tucson flights?

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

How have Chicago to Tucson flight prices changed over time?

As of December 2025, prices for Chicago to Tucson flights are approximately 51% 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	$237
Fastest flight time	3h 45m
Direct flights	Every day
Airports in Tucson	1 airport

The best one-way flight to Tucson from Chicago in the past 72 hours is $237. The best round-trip flight deal from Chicago to Tucson found on momondo in the last 72 hours is $477.

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

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 45m, 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 December 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 30.64% of the total bookings. Other popular models include Boeing 737-800 with 25.51%, Airbus A319 with 9.80%, and Boeing 737 MAX 8 with 7.93%.
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 (55% of total bookings). The next most popular airlines are United Airlines (22%), Southwest (18%), and Frontier (5%).

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 3,090 reviews	Search Frontier flights
American Airlines	PriceFrom $263	Free Cancellation	Rating 7.2 11,047 reviews	Search American Airlines flights
United Airlines	PriceFrom $272	Free Cancellation	Rating 7.4 9,065 reviews	Search United Airlines flights
Southwest	PriceFrom $291	Free Cancellation	Rating 8.0 4,250 reviews	Search Southwest flights

Southwest Flights From Chicago to Tucson
Across 5 Southwest flights from Chicago to Tucson this week, the average price was $469, with the best Southwest deals starting from $291 round-trip. 4,250 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 $272, round-trip. It should be noted that an average United Airlines flight deal for this route in this time was higher, at $487 round-trip. United Airlines operates 14 flights out of Chicago into Tucson in an average week, so prices vary by time and availability. 9,065 United Airlines reviews by users on momondo have scored the airline at 7.4/10.

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Oro Valley

Green Valley

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.

An easier way to manage your Tucson trip

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Cheap flights from Chicago to Tucson from $61

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Tucson departing on 2/19. 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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United Airlines flights from Chicago to Tucson

Our best United Airlines deals on Chicago to Tucson flight tickets

Frontier flights from Chicago to Tucson

Our best Frontier deals on Chicago to Tucson flight tickets

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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

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?

In the evening is the cheapest time of day to fly from Chicago to Tucson when you can find flight prices for as low as $470. Flying to Tucson in the evening 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 $575.

What is the cheapest Chicago to Tucson flight route?

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

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

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.

Can stopping save me money on Chicago to Tucson flights?

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

How have Chicago to Tucson flight prices changed over time?

As of December 2025, prices for Chicago to Tucson flights are approximately 51% cheaper when compared to flights at the same time last year.

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

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

What airlines fly to Tucson?

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

4 flights are operational daily from Chicago to Tucson as of December 2025. The most popular departure time for this route is 9:00AM, with 54% of flights per day taking off at noon.

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

The number of flights available between Chicago and Tucson is 33 per week as of December 2025. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

When to book flights from Chicago to Tucson

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

Fastest flight time

Direct flights

Airports in Tucson

How far is Chicago to Tucson by plane?

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

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

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

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

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

What is the most popular airline from Chicago to Tucson?

Best airlines flying from Chicago to Tucson

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

Southwest Flights From Chicago to Tucson

United Airlines Flights From Chicago to Tucson

Traveling to a place near Tucson?

Why use momondo?

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

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

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

I’m not ready to book a flight from Chicago 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