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Cheap flights from St. Louis to Tucson from $178

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Tucson

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
10:20 am - 4:12 pmSTL  Lambert-St Louis-TUS Tucson
6h 52m1 stop Dallas/Fort Worth
American Airlines Logo
5:05 pm - 11:32 pmTUS  Tucson-STL Lambert-St Louis
5h 27m1 stop Dallas/Fort Worth
$355American Airlines
Wed, Jan 6 - Wed, Jan 13
American Airlines Logo
7:57 am - 12:14 pmSTL  Lambert-St Louis-TUS Tucson
5h 17m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
5:05 pm - 11:32 pmTUS  Tucson-STL Lambert-St Louis
5h 27m1 stop Dallas/Fort Worth
$355American Airlines
Sat, Jan 23 - Sat, Jan 23
United Airlines Logo
8:40 am - 1:35 pmSTL  Lambert-St Louis-TUS Tucson
5h 55m1 stop Denver Intl
United Airlines Logo
8:25 am - 4:24 pmTUS  Tucson-STL Lambert-St Louis
6h 59m1 stop Chicago O'Hare Intl
$355United Airlines
Mon, Dec 7 - Sat, Dec 12
Delta Logo
5:31 pm - 11:07 pmSTL  Lambert-St Louis-TUS Tucson
6h 36m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:53 pm - 12:46 amTUS  Tucson-STL Lambert-St Louis
5h 53m1 stop Salt Lake City
$355Delta
Mon, Dec 7 - Fri, Dec 11
American Airlines Logo
7:55 am - 2:15 pmSTL  Lambert-St Louis-TUS Tucson
7h 20m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
6:06 am - 3:51 pmTUS  Tucson-STL Lambert-St Louis
8h 45m1 stop Chicago O'Hare Intl
$355American Airlines
Fri, Dec 11 - Fri, Dec 18
Southwest Logo
5:15 pm - 10:25 pmSTL  Lambert-St Louis-TUS Tucson
6h 10m1 stop Denver Intl
Southwest Logo
6:05 am - 4:20 pmTUS  Tucson-STL Lambert-St Louis
9h 15m2 stops Las Vegas Harry Reid Intl Omaha Eppley Airfield
$360Southwest
Mon, Dec 7 - Sat, Dec 12
Southwest Logo
9:50 pm - 9:45 amSTL  Lambert-St Louis-TUS Tucson
12h 55m1 stop Las Vegas Harry Reid Intl
Southwest Logo
12:50 pm - 8:10 pmTUS  Tucson-STL Lambert-St Louis
6h 20m1 stop Dallas Love Field
$361Southwest
Fri, Feb 12 - Tue, Feb 16
Delta Logo
6:00 am - 1:53 pmSTL  Lambert-St Louis-TUS Tucson
8h 53m1 stop Atlanta Hartsfield-Jackson
Delta Logo
3:03 pm - 12:05 amTUS  Tucson-STL Lambert-St Louis
8h 02m1 stop Atlanta Hartsfield-Jackson
$386Delta
Fri, Dec 11 - Sun, Dec 13
United Airlines Logo
8:40 am - 1:35 pmSTL  Lambert-St Louis-TUS Tucson
5h 55m1 stop Denver Intl
United Airlines Logo
6:30 am - 4:31 pmTUS  Tucson-STL Lambert-St Louis
9h 01m2 stops Denver Intl Chicago O'Hare Intl
$391United Airlines
Fri, Dec 11 - Sun, Dec 13
Delta Logo
3:48 pm - 11:05 pmSTL  Lambert-St Louis-TUS Tucson
8h 17m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:27 pm - 11:55 pmTUS  Tucson-STL Lambert-St Louis
6h 28m1 stop Atlanta Hartsfield-Jackson
$447Delta
Sun, Dec 20 - Sat, Dec 26

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Southwest flights from St. Louis to Tucson

Our best Southwest deals on St. Louis to Tucson flight tickets
Southwest
Dec 7
STL5:15 pmLambert-St Louis
6h 10m
1 stop
TUS10:25 pmTucson
Dec 12
TUS6:05 amTucson
9h 15m
2 stops
STL4:20 pmLambert-St Louis
$360
Southwest
Feb 12
STL9:50 pmLambert-St Louis
12h 55m
1 stop
TUS9:45 amTucson
Feb 16
TUS12:50 pmTucson
6h 20m
1 stop
STL8:10 pmLambert-St Louis
$361
Southwest
Dec 7
STL5:55 amLambert-St Louis
6h 30m
1 stop
TUS11:25 amTucson
Dec 11
TUS6:55 amTucson
11h 15m
2 stops
STL7:10 pmLambert-St Louis
$366

American Airlines flights from St. Louis to Tucson

Our best American Airlines deals on St. Louis to Tucson flight tickets
American Airlines
Jan 6
STL8:47 amLambert-St Louis
7h 51m
2 stops
TUS3:38 pmTucson
Jan 13
TUS7:29 amTucson
5h 09m
1 stop
STL1:38 pmLambert-St Louis
$374
American Airlines
Dec 4
STL7:16 pmLambert-St Louis
5h 48m
1 stop
TUS12:04 amTucson
Dec 6
TUS5:13 pmTucson
5h 21m
1 stop
STL11:34 pmLambert-St Louis
$377
American Airlines
Dec 4
STL7:16 pmLambert-St Louis
5h 48m
1 stop
TUS12:04 amTucson
Dec 6
TUS5:13 pmTucson
5h 21m
1 stop
STL11:34 pmLambert-St Louis
$386

momondo Fare Finder

 
Use the filters below to find and compare flights from St. Louis to Tucson that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Wed 1/6

10:20 am-4:12 pm

1 stop6h 52m

Tucson

Wed 1/13

5:05 pm-11:32 pm

1 stop5h 27m

$355
Quickest round-trip

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Sat 1/23

7:57 am-12:14 pm

1 stop5h 17m

Tucson

Sat 1/23

5:05 pm-11:32 pm

1 stop5h 27m

$355

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Mon 12/7

8:40 am-1:35 pm

1 stop5h 55m

Tucson

Sat 12/12

8:25 am-4:24 pm

1 stop6h 59m

$355

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Mon 12/7

5:31 pm-11:07 pm

1 stop6h 36m

Tucson

Fri 12/11

5:53 pm-12:46 am

1 stop5h 53m

$355

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Fri 12/11

7:55 am-2:15 pm

1 stop7h 20m

Tucson

Fri 12/18

6:06 am-3:51 pm

1 stop8h 45m

$355

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Mon 12/7

5:15 pm-10:25 pm

1 stop6h 10m

Tucson

Sat 12/12

6:05 am-4:20 pm

2 stops9h 15m

$360

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Fri 2/12

9:50 pm-9:45 am

1 stop12h 55m

Tucson

Tue 2/16

12:50 pm-8:10 pm

1 stop6h 20m

$361

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Fri 12/11

6:00 am-1:53 pm

1 stop8h 53m

Tucson

Sun 12/13

3:03 pm-12:05 am

1 stop8h 02m

$386

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Fri 12/11

8:40 am-1:35 pm

1 stop5h 55m

Tucson

Sun 12/13

6:30 am-4:31 pm

2 stops9h 01m

$391

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Sun 12/20

3:48 pm-11:05 pm

1 stop8h 17m

Tucson

Sat 12/26

4:27 pm-11:55 pm

1 stop6h 28m

$447

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 St. Louis 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 typical price of a round-trip flight between St. Louis and Tucson?

Prices are currently typical for flights on this route.

Typical prices usually range from $354 to $642.
The lowest price recently found on this route was $355.

What is the cheapest month to fly to Tucson?

In general, January is the cheapest month to fly from St. Louis to Tucson. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $354. If you don’t want to visit Tucson in January, then you should wait until May to fly from St. Louis, when ticket prices are also cheap, with an average price of $383.

How far in advance should I book a flight from St. Louis to Tucson?

You are more likely to see cheaper flights to Tucson from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Tucson for around $449 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Tucson from St. Louis for as low as $321 on momondo.

How have St. Louis to Tucson flight prices changed over time?

As of November 2026, prices for St. Louis to Tucson flights are approximately 16% cheaper when compared to flights at the same time last year.

When to book flights from St. Louis to Tucson

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Tucson according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Tucson (STL to TUS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Tucson

Best Price Found

$178

Fastest flight time

5h 39m

Direct flights

None
The best one-way flight to Tucson from St. Louis in the past 72 hours is $178. The best round-trip flight deal from St. Louis to Tucson found on momondo in the last 72 hours is $355.
The fastest flight from St. Louis to Tucson takes 5h 39m
There are no direct flights from St. Louis to Tucson. There are no popular flight routes from St. Louis to Tucson.
Search flight deals

Frequently asked questions about flying from St. Louis to Tucson

  • How far is Lambert-St Louis to Tucson by plane?

    The straight-line distance from Lambert-St Louis to Tucson is 1245.9 mi. Typically, this will take 5h 39m by plane in normal conditions.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Tucson Airport?

    Prices for flights from Lambert-St Louis Airport to Tucson Airport were last updated today.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Tucson Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Tucson Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Tucson Airport.

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

    The travel and health documents you'll need for your trip to Tucson Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Tucson Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to Tucson?

Best airlines flying from St. Louis to Tucson

Compare and see reviews for airlines that fly from St. Louis to Tucson with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $287Free CancellationRating
7.3
10,460 reviews
Search United Airlines flights
American AirlinesPriceFrom $297Free CancellationRating
7.0
12,230 reviews
Search American Airlines flights
SouthwestPriceFrom $307Free CancellationRating
8.0
4,215 reviews
Search Southwest flights

  • Southwest Flights From St. Louis to Tucson

    Southwest is one of the most popular airlines flying from St. Louis to Tucson, operating 4 flights/week on average for this route. A good Southwest flight deal for St. Louis to Tucson starts from $307 round-trip, up to an average price of $449. Our users have rated Southwest at 8.0/10.

Traveling to a place near Tucson?

Book flights to Tucson if you plan to visit one of these locations
Tombstone
Sierra Vista
Bisbee
Oro Valley
Green Valley
Douglas

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis 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 St. Louis.

Can I find flights from St. Louis to Tucson with flexible booking policies on momondo?

Flights from St. Louis to Tucson with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from St. Louis to Tucson?

Once all potential St. Louis to Tucson flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from St. Louis 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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