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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
8:48 am - 12:33 pmSTL  Lambert-St Louis-TUS Tucson
5h 45m1 stop Dallas/Fort Worth
American Airlines Logo
12:00 pm - 7:48 pmTUS  Tucson-STL Lambert-St Louis
5h 48m1 stop Dallas/Fort Worth
$355American Airlines
Wed, Oct 21 - Sat, Oct 24
American Airlines Logo
5:40 am - 8:51 amSTL  Lambert-St Louis-TUS Tucson
5h 11m1 stop Dallas/Fort Worth
American Airlines Logo
3:55 pm - 11:42 pmTUS  Tucson-STL Lambert-St Louis
5h 47m1 stop Dallas/Fort Worth
$355American Airlines
Mon, Oct 19 - Mon, Oct 26
Southwest Logo
4:55 pm - 10:05 pmSTL  Lambert-St Louis-TUS Tucson
7h 10m1 stop Phoenix Sky Harbor Intl
Southwest Logo
10:25 am - 7:45 pmTUS  Tucson-STL Lambert-St Louis
7h 20m1 stop Denver Intl
$355Southwest
Tue, Oct 20 - Tue, Oct 27
Delta Logo
9:00 am - 2:54 pmSTL  Lambert-St Louis-TUS Tucson
6h 54m1 stop Atlanta Hartsfield-Jackson
Delta Logo
2:30 pm - 11:18 pmTUS  Tucson-STL Lambert-St Louis
7h 48m1 stop Minneapolis St Paul
$355Delta
Wed, Jan 27 - Thu, Feb 4
Delta Logo
5:30 pm - 11:06 pmSTL  Lambert-St Louis-TUS Tucson
6h 36m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:50 pm - 12:40 amTUS  Tucson-STL Lambert-St Louis
5h 50m1 stop Salt Lake City
$355Delta
Thu, Nov 12 - Mon, Nov 16
American Airlines Logo
2:31 pm - 7:49 pmSTL  Lambert-St Louis-TUS Tucson
7h 18m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
7:00 am - 5:02 pmTUS  Tucson-STL Lambert-St Louis
8h 02m1 stop Dallas/Fort Worth
$355American Airlines
Sat, Oct 24 - Tue, Oct 27
Southwest Logo
5:20 pm - 10:05 pmSTL  Lambert-St Louis-TUS Tucson
6h 45m2 stops Dallas Love Field Phoenix Sky Harbor Intl
Southwest Logo
2:15 pm - 9:25 pmTUS  Tucson-STL Lambert-St Louis
5h 10m1 stop Denver Intl
$360Southwest
Tue, Oct 20 - Tue, Oct 27
United Airlines Logo
1:09 pm - 10:10 pmSTL  Lambert-St Louis-TUS Tucson
10h 01m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
6:50 am - 12:43 pmTUS  Tucson-STL Lambert-St Louis
4h 53m1 stop Denver Intl
$360United Airlines
Wed, Jan 27 - Thu, Feb 4
United Airlines Logo
10:27 am - 4:46 pmSTL  Lambert-St Louis-TUS Tucson
8h 19m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
9:37 am - 4:57 pmTUS  Tucson-STL Lambert-St Louis
5h 20m1 stop Denver Intl
$360United Airlines
Sat, Oct 24 - Tue, Oct 27
Southwest Logo
6:05 am - 9:35 amSTL  Lambert-St Louis-TUS Tucson
5h 30m1 stop Denver Intl
Southwest Logo
6:10 pm - 12:15 amTUS  Tucson-STL Lambert-St Louis
5h 05m1 stop Phoenix Sky Harbor Intl
$365Southwest
Fri, Oct 30 - Mon, Nov 2

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American Airlines flights from St. Louis to Tucson

Our best American Airlines deals on St. Louis to Tucson flight tickets
American Airlines
Oct 21
STL8:48 amLambert-St Louis
5h 45m
1 stop
TUS12:33 pmTucson
Oct 24
TUS12:00 pmTucson
5h 48m
1 stop
STL7:48 pmLambert-St Louis
$355
American Airlines
Oct 26
STL5:40 amLambert-St Louis
5h 11m
1 stop
TUS8:51 amTucson
Oct 30
TUS1:23 pmTucson
6h 36m
1 stop
STL9:59 pmLambert-St Louis
$372
American Airlines
Oct 21
STL8:03 amLambert-St Louis
5h 08m
1 stop
TUS11:11 amTucson
Oct 24
TUS10:28 amTucson
7h 20m
2 stops
STL7:48 pmLambert-St Louis
$374

Southwest flights from St. Louis to Tucson

Our best Southwest deals on St. Louis to Tucson flight tickets
Southwest
Oct 20
STL5:20 pmLambert-St Louis
6h 45m
2 stops
TUS10:05 pmTucson
Oct 27
TUS2:15 pmTucson
5h 10m
1 stop
STL9:25 pmLambert-St Louis
$360
Southwest
Oct 30
STL6:05 amLambert-St Louis
5h 30m
1 stop
TUS9:35 amTucson
Nov 2
TUS6:10 pmTucson
5h 05m
1 stop
STL12:15 amLambert-St Louis
$365
Southwest
Oct 20
STL5:20 pmLambert-St Louis
6h 45m
2 stops
TUS10:05 pmTucson
Oct 27
TUS2:05 pmTucson
7h 30m
2 stops
STL11:35 pmLambert-St Louis
$366

momondo Fare Finder

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

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Route

Depart

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Price

Cheapest round-trip

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Wed 10/21

8:48 am-12:33 pm

1 stop5h 45m

Tucson

Sat 10/24

12:00 pm-7:48 pm

1 stop5h 48m

$355

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Mon 10/19

5:40 am-8:51 am

1 stop5h 11m

Tucson

Mon 10/26

3:55 pm-11:42 pm

1 stop5h 47m

$355

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Tue 10/20

4:55 pm-10:05 pm

1 stop7h 10m

Tucson

Tue 10/27

10:25 am-7:45 pm

1 stop7h 20m

$355

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Wed 1/27

9:00 am-2:54 pm

1 stop6h 54m

Tucson

Thu 2/4

2:30 pm-11:18 pm

1 stop7h 48m

$355

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Thu 11/12

5:30 pm-11:06 pm

1 stop6h 36m

Tucson

Mon 11/16

5:50 pm-12:40 am

1 stop5h 50m

$355

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Sat 10/24

2:31 pm-7:49 pm

1 stop7h 18m

Tucson

Tue 10/27

7:00 am-5:02 pm

1 stop8h 02m

$355

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Tue 10/20

5:20 pm-10:05 pm

2 stops6h 45m

Tucson

Tue 10/27

2:15 pm-9:25 pm

1 stop5h 10m

$360

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Wed 1/27

1:09 pm-10:10 pm

2 stops10h 01m

Tucson

Thu 2/4

6:50 am-12:43 pm

1 stop4h 53m

$360

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Sat 10/24

10:27 am-4:46 pm

2 stops8h 19m

Tucson

Tue 10/27

9:37 am-4:57 pm

1 stop5h 20m

$360
Quickest round-trip

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Fri 10/30

6:05 am-9:35 am

1 stop5h 30m

Tucson

Mon 11/2

6:10 pm-12:15 am

1 stop5h 05m

$365

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 $320 to $412.
The lowest price recently found on this route was $355.

What is the cheapest month to fly to Tucson?

In general, October 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 $289. If you don’t want to visit Tucson in October, then you should wait until January to fly from St. Louis, when ticket prices are also cheap, with an average price of $354.

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 $430 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 $332 on momondo.

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

As of September 2026, prices for St. Louis to Tucson flights are approximately 26% more expensive 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 30m

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 30m
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 30m 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 $260Free CancellationRating
7.4
10,233 reviews
Search United Airlines flights
American AirlinesPriceFrom $278Free CancellationRating
7.0
12,075 reviews
Search American Airlines flights
SouthwestPriceFrom $307Free CancellationRating
8.0
4,199 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
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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