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Cheap flights from Illinois to Tucson from $130

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 4/11. 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

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Find the cheapest flights from Illinois to Tucson

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:29 am - 1:00 pm
STL
-
TUS
8h 31m
1 stop
Delta Logo
7:10 am - 5:26 pm
TUS
-
STL
8h 16m
1 stop
$257Delta
Tue, Apr 7 - Tue, Apr 14
American Airlines Logo
6:41 pm - 11:59 pm
MLI
-
TUS
7h 18m
1 stop
American Airlines Logo
3:53 pm - 11:29 pm
TUS
-
MLI
5h 36m
1 stop
$271American Airlines
Wed, Apr 22 - Sat, Apr 25
Delta Logo
7:03 am - 2:14 pm
STL
-
TUS
9h 11m
1 stop
Delta Logo
5:04 pm - 12:21 am
TUS
-
STL
5h 17m
1 stop
$272Delta
Tue, Apr 7 - Thu, Apr 9
United Airlines Logo
3:20 pm - 10:02 pm
MLI
-
TUS
8h 42m
1 stop
United Airlines Logo
6:30 am - 5:06 pm
TUS
-
MLI
8h 36m
2 stops
$276United Airlines
Wed, Apr 22 - Sat, Apr 25
Delta Logo
6:12 pm - 9:55 pm
STL
-
TUS
5h 43m
1 stop
Delta Logo
3:24 pm - 11:58 pm
TUS
-
STL
6h 34m
1 stop
$280Delta
Wed, Apr 1 - Tue, Apr 7
United Airlines Logo
1:55 pm - 9:22 pm
MLI
-
TUS
9h 27m
2 stops
United Airlines Logo
6:30 am - 5:06 pm
TUS
-
MLI
8h 36m
2 stops
$281United Airlines
Wed, Apr 22 - Sat, Apr 25
Southwest Logo
7:10 am - 3:45 pm
STL
-
TUS
10h 35m
2 stops
Southwest Logo
2:15 pm - 9:45 pm
TUS
-
STL
5h 30m
1 stop
$306Southwest
Tue, May 12 - Tue, May 19
Southwest Logo
7:10 am - 11:55 am
STL
-
TUS
6h 45m
1 stop
Southwest Logo
7:30 am - 12:15 am
TUS
-
STL
14h 45m
2 stops
$308Southwest
Tue, Apr 7 - Thu, Apr 9
Alaska Airlines Logo
6:00 am - 11:59 pm
ORD
-
TUS
19h 59m
1 stop
Alaska Airlines Logo
7:50 am - 7:52 pm
TUS
-
ORD
10h 02m
1 stop
$331Alaska Airlines
Thu, Apr 23 - Mon, Apr 27
Multiple Airlines Logo
3:22 pm - 10:17 pm
ORD
-
TUS
8h 55m
1 stop
Multiple Airlines Logo
1:26 pm - 12:38 am
TUS
-
ORD
9h 12m
1 stop
$332Multiple Airlines
Thu, Apr 9 - Sun, Apr 12

Alaska Airlines flights from Illinois to Tucson

Our best Alaska Airlines deals on Illinois to Tucson flight tickets
Alaska Airlines
Apr 23
ORD6:00 amChicago O'Hare Intl
19h 59m
1 stop
TUS11:59 pmTucson
Apr 27
TUS7:50 amTucson
10h 02m
1 stop
ORD7:52 pmChicago O'Hare Intl
$331
Alaska Airlines
Apr 22
ORD6:00 amChicago O'Hare Intl
19h 59m
1 stop
TUS11:59 pmTucson
Apr 30
TUS7:50 amTucson
10h 02m
1 stop
ORD7:52 pmChicago O'Hare Intl
$370
Alaska Airlines
May 6
ORD6:00 amChicago O'Hare Intl
18h 41m
1 stop
TUS10:41 pmTucson
May 10
TUS7:50 amTucson
20h 50m
1 stop
ORD6:40 amChicago O'Hare Intl
$377

United Airlines flights from Illinois to Tucson

Our best United Airlines deals on Illinois to Tucson flight tickets
United Airlines
Apr 22
MLI3:20 pmMoline Quad-City
8h 42m
1 stop
TUS10:02 pmTucson
Apr 25
TUS6:30 amTucson
8h 36m
2 stops
MLI5:06 pmMoline Quad-City
$276
United Airlines
Apr 22
MLI1:55 pmMoline Quad-City
9h 27m
2 stops
TUS9:22 pmTucson
Apr 25
TUS6:30 amTucson
8h 36m
2 stops
MLI5:06 pmMoline Quad-City
$281
United Airlines
Apr 17
MLI6:30 amMoline Quad-City
7h 05m
1 stop
TUS11:35 amTucson
Apr 21
TUS9:38 amTucson
11h 24m
2 stops
MLI11:02 pmMoline Quad-City
$303

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 March 2, 2026.
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

St. LouisTucson

STL - TUS

STLTUS

Lambert-St Louis

Tue 4/7

6:29 am-1:00 pm

1 stop8h 31m

Tucson

Tue 4/14

7:10 am-5:26 pm

1 stop8h 16m

$257

MolineTucson

MLI - TUS

MLITUS

Moline Quad-City

Wed 4/22

6:41 pm-11:59 pm

1 stop7h 18m

Tucson

Sat 4/25

3:53 pm-11:29 pm

1 stop5h 36m

$271

St. LouisTucson

STL - TUS

STLTUS

Lambert-St Louis

Tue 4/7

7:03 am-2:14 pm

1 stop9h 11m

Tucson

Thu 4/9

5:04 pm-12:21 am

1 stop5h 17m

$272

MolineTucson

MLI - TUS

MLITUS

Moline Quad-City

Wed 4/22

3:20 pm-10:02 pm

1 stop8h 42m

Tucson

Sat 4/25

6:30 am-5:06 pm

2 stops8h 36m

$276

St. LouisTucson

STL - TUS

STLTUS

Lambert-St Louis

Wed 4/1

6:12 pm-9:55 pm

1 stop5h 43m

Tucson

Tue 4/7

3:24 pm-11:58 pm

1 stop6h 34m

$280

MolineTucson

MLI - TUS

MLITUS

Moline Quad-City

Wed 4/22

1:55 pm-9:22 pm

2 stops9h 27m

Tucson

Sat 4/25

6:30 am-5:06 pm

2 stops8h 36m

$281

St. LouisTucson

STL - TUS

STLTUS

Lambert-St Louis

Tue 5/12

7:10 am-3:45 pm

2 stops10h 35m

Tucson

Tue 5/19

2:15 pm-9:45 pm

1 stop5h 30m

$306

St. LouisTucson

STL - TUS

STLTUS

Lambert-St Louis

Tue 4/7

7:10 am-11:55 am

1 stop6h 45m

Tucson

Thu 4/9

7:30 am-12:15 am

2 stops14h 45m

$308

ChicagoTucson

ORD - TUS

ORDTUS

Chicago O'Hare Intl

Thu 4/23

6:00 am-11:59 pm

1 stop19h 59m

Tucson

Mon 4/27

7:50 am-7:52 pm

1 stop10h 02m

$331

ChicagoTucson

ORD - TUS

ORDTUS

Chicago O'Hare Intl

Thu 4/9

3:22 pm-10:17 pm

1 stop8h 55m

Tucson

Sun 4/12

1:26 pm-12:38 am

1 stop9h 12m

$332

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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, 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, Tuesday is the cheapest day to fly to Tucson from Illinois. The lowest ticket price found for a Tuesday departure recently was $400. 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 $528.

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 $385. 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 $575.

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 $438 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 $284 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

$211

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 $211. The best round-trip flight deal from Illinois to Tucson found on momondo in the last 72 hours is $337.
The fastest flight from Illinois to Tucson takes 3h 45m
Direct flights go from Illinois to Tucson every day.
There is 1 airport in Tucson. From Illinois there are direct flights to 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 $144Free CancellationRating
5.7
3,040 reviews
Search Frontier flights
American AirlinesPriceFrom $252Free CancellationRating
7.1
11,369 reviews
Search American Airlines flights
SouthwestPriceFrom $265Free CancellationRating
8.0
4,306 reviews
Search Southwest flights
United AirlinesPriceFrom $268Free CancellationRating
7.4
9,375 reviews
Search United Airlines 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
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.

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