Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Illinois to Tucson from $105

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 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.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Illinois to Tucson

Cheap round-trip flights

Frontier Logo
6:00 am - 10:37 amORD-TUS
6h 37m1 stop
Frontier Logo
11:22 am - 10:37 amTUS-ORD
21h 15m1 stop
$235Frontier
Find Deal
Thu, Aug 21 - Sun, Aug 24
Frontier Logo
6:50 am - 10:57 amORD-TUS
6h 07m1 stop
Frontier Logo
12:29 pm - 8:54 pmTUS-ORD
6h 25m1 stop
$236Frontier
Find Deal
Thu, Oct 16 - Mon, Oct 27
Southwest Logo
5:35 am - 8:45 amSTL-TUS
5h 10m1 stop
Southwest Logo
9:05 am - 4:10 pmTUS-STL
6h 05m1 stop
$250Southwest
Find Deal
Thu, Oct 30 - Wed, Nov 5
American Airlines Logo
5:18 am - 8:45 amSTL-TUS
5h 27m1 stop
American Airlines Logo
11:55 am - 10:50 pmTUS-STL
8h 55m2 stops
$255American Airlines
Find Deal
Thu, Sep 18 - Tue, Sep 23
American Airlines Logo
9:45 am - 11:35 amORD-TUS
3h 50mnonstop
American Airlines Logo
12:25 pm - 5:55 pmTUS-ORD
3h 30mnonstop
$257American Airlines
Find Deal
Wed, Sep 24 - Tue, Sep 30
United Airlines Logo
8:49 am - 10:43 amORD-TUS
3h 54mnonstop
United Airlines Logo
10:57 am - 9:36 pmTUS-ORD
8h 39m1 stop
$267United Airlines
Find Deal
Wed, Sep 24 - Tue, Sep 30
Delta Logo
4:59 pm - 9:47 pmMLI-TUS
6h 48m1 stop
Delta Logo
12:57 pm - 10:42 pmTUS-MLI
7h 45m1 stop
$269Delta
Find Deal
Wed, Sep 3 - Wed, Sep 17
Delta Logo
4:59 pm - 9:27 pmMLI-TUS
6h 28m1 stop
Delta Logo
12:54 pm - 10:48 pmTUS-MLI
7h 54m1 stop
$270Delta
Find Deal
Sat, Aug 30 - Sat, Sep 6
Southwest Logo
2:20 pm - 4:00 pmMDW-TUS
3h 40mnonstop
Southwest Logo
5:25 am - 12:30 pmTUS-MDW
6h 05m2 stops
$292Southwest
Find Deal
Tue, Oct 28 - Mon, Nov 3
United Airlines Logo
6:30 am - 3:09 pmMLI-TUS
10h 39m2 stops
United Airlines Logo
1:30 pm - 8:53 pmTUS-MLI
5h 23m1 stop
$324United Airlines
Find Deal
Tue, Aug 26 - Sat, Aug 30

Southwest flights from Illinois to Tucson

Our best Southwest deals on Illinois to Tucson flight tickets
Southwest
Oct 30
STL5:35 amLambert-St Louis
5h 10m
1 stop
TUS8:45 amTucson
Nov 5
TUS9:05 amTucson
6h 05m
1 stop
STL4:10 pmLambert-St Louis
$250
Find similar
Southwest
Oct 28
MDW2:20 pmChicago Midway
3h 40m
TUS4:00 pmTucson
Nov 3
TUS5:25 amTucson
6h 05m
2 stops
MDW12:30 pmChicago Midway
$292
Find similar
Southwest
Oct 30
STL5:35 amLambert-St Louis
5h 10m
1 stop
TUS8:45 amTucson
Nov 5
TUS7:35 amTucson
8h 45m
2 stops
STL5:20 pmLambert-St Louis
$295
Find similar

Delta flights from Illinois to Tucson

Our best Delta deals on Illinois to Tucson flight tickets
Delta
Sep 3
MLI4:59 pmMoline Quad-City
6h 48m
1 stop
TUS9:47 pmTucson
Sep 17
TUS12:57 pmTucson
7h 45m
1 stop
MLI10:42 pmMoline Quad-City
$269
Find similar
Delta
Aug 30
MLI4:59 pmMoline Quad-City
6h 28m
1 stop
TUS9:27 pmTucson
Sep 6
TUS12:54 pmTucson
7h 54m
1 stop
MLI10:48 pmMoline Quad-City
$270
Find similar
Delta
Sep 24
ORD5:30 amChicago O'Hare Intl
8h 17m
1 stop
TUS11:47 amTucson
Oct 7
TUS1:17 pmTucson
8h 41m
1 stop
ORD11:58 pmChicago O'Hare Intl
$277
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Tucson that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 11, 2025.
Use the filters below to find and compare flights from Illinois to Tucson that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoTucson

ORD - TUS

ORDTUS

Chicago O'Hare Intl

Thu 8/21

6:00 am-10:37 am

1 stop6h 37m

Tucson

Sun 8/24

11:22 am-10:37 am

1 stop21h 15m

$235

ChicagoTucson

ORD - TUS

ORDTUS

Chicago O'Hare Intl

Thu 10/16

6:50 am-10:57 am

1 stop6h 07m

Tucson

Mon 10/27

12:29 pm-8:54 pm

1 stop6h 25m

$236

St. LouisTucson

STL - TUS

STLTUS

Lambert-St Louis

Thu 10/30

5:35 am-8:45 am

1 stop5h 10m

Tucson

Wed 11/5

9:05 am-4:10 pm

1 stop6h 05m

$250

St. LouisTucson

STL - TUS

STLTUS

Lambert-St Louis

Thu 9/18

5:18 am-8:45 am

1 stop5h 27m

Tucson

Tue 9/23

11:55 am-10:50 pm

2 stops8h 55m

$255

ChicagoTucson

ORD - TUS

ORDTUS

Chicago O'Hare Intl

Wed 9/24

9:45 am-11:35 am

Nonstop3h 50m

Tucson

Tue 9/30

12:25 pm-5:55 pm

Nonstop3h 30m

$257

ChicagoTucson

ORD - TUS

ORDTUS

Chicago O'Hare Intl

Wed 9/24

8:49 am-10:43 am

Nonstop3h 54m

Tucson

Tue 9/30

10:57 am-9:36 pm

1 stop8h 39m

$267

MolineTucson

MLI - TUS

MLITUS

Moline Quad-City

Wed 9/3

4:59 pm-9:47 pm

1 stop6h 48m

Tucson

Wed 9/17

12:57 pm-10:42 pm

1 stop7h 45m

$269

MolineTucson

MLI - TUS

MLITUS

Moline Quad-City

Sat 8/30

4:59 pm-9:27 pm

1 stop6h 28m

Tucson

Sat 9/6

12:54 pm-10:48 pm

1 stop7h 54m

$270

ChicagoTucson

MDW - TUS

MDWTUS

Chicago Midway

Tue 10/28

2:20 pm-4:00 pm

Nonstop3h 40m

Tucson

Mon 11/3

5:25 am-12:30 pm

2 stops6h 05m

$292

MolineTucson

MLI - TUS

MLITUS

Moline Quad-City

Tue 8/26

6:30 am-3:09 pm

2 stops10h 39m

Tucson

Sat 8/30

1:30 pm-8:53 pm

1 stop5h 23m

$324

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Tucson from

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?

In general, August 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 $388. If you don’t want to visit Tucson in August, then you should wait until July to fly from Illinois, when ticket prices are also cheap, with an average price of $391.

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 $428. 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 $520.

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 $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 $492.

What is the cheapest Illinois to Tucson flight route?

Fly from Chicago O'Hare Intl 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 $391 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?

No. A direct flight is the cheapest option for a flight between Illinois to Tucson.

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

$105

Fastest flight time

3h 35m

Direct flights

Every day

Airports in Tucson

1 airport
The best one-way flight to Tucson from Illinois in the past 72 hours is $105. The best round-trip flight deal from Illinois to Tucson found on momondo in the last 72 hours is $235.
The fastest flight from Illinois to Tucson takes 3h 35m
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?

  • 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?

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
FrontierPriceFrom $109Free CancellationRating
5.8
3,222 reviews
Search Frontier flights
American AirlinesPriceFrom $208Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $286Free CancellationRating
7.4
8,922 reviews
Search United Airlines flights
DeltaPriceFrom $288Free CancellationRating
8.0
7,978 reviews
Search Delta flights
SouthwestPriceFrom $375Free CancellationRating
8.0
4,246 reviews
Search Southwest flights

Traveling to a place near Tucson?

Book flights to Tucson if you plan to visit one of these locations
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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 8/16
Sat 8/23
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States