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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
8:03 am - 1:58 pmSTL  Lambert-St Louis-TUS Tucson
7h 55m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
3:55 pm - 11:42 pmTUS  Tucson-STL Lambert-St Louis
5h 47m1 stop Dallas/Fort Worth
$355American Airlines
Tue, Oct 6 - Sat, Oct 10
American Airlines Logo
7:27 am - 11:37 amSTL  Lambert-St Louis-TUS Tucson
6h 10m1 stop Chicago O'Hare Intl
American Airlines Logo
9:38 am - 6:04 pmTUS  Tucson-STL Lambert-St Louis
6h 26m1 stop Dallas/Fort Worth
$355American Airlines
Tue, Sep 15 - Tue, Sep 22
Delta Logo
7:05 am - 1:29 pmSTL  Lambert-St Louis-TUS Tucson
7h 24m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:06 pm - 11:39 pmTUS  Tucson-STL Lambert-St Louis
6h 33m1 stop Atlanta Hartsfield-Jackson
$355Delta
Thu, Dec 17 - Mon, Jan 18
Delta Logo
6:00 am - 12:14 pmSTL  Lambert-St Louis-TUS Tucson
7h 14m1 stop Atlanta Hartsfield-Jackson
Delta Logo
1:35 pm - 8:49 pmTUS  Tucson-STL Lambert-St Louis
6h 14m1 stop Atlanta Hartsfield-Jackson
$355Delta
Wed, Feb 10 - Sat, Feb 20
American Airlines Logo
7:00 am - 11:00 amSTL  Lambert-St Louis-TUS Tucson
6h 00m1 stop Dallas/Fort Worth
American Airlines Logo
12:27 pm - 8:44 pmTUS  Tucson-STL Lambert-St Louis
6h 17m1 stop Chicago O'Hare Intl
$355American Airlines
Wed, Sep 9 - Sat, Sep 12
United Airlines Logo
1:36 pm - 9:10 pmSTL  Lambert-St Louis-TUS Tucson
9h 34m2 stops Denver Intl San Francisco
United Airlines Logo
5:30 am - 12:40 pmTUS  Tucson-STL Lambert-St Louis
5h 10m1 stop Denver Intl
$360United Airlines
Wed, Sep 9 - Sat, Sep 12
United Airlines Logo
12:59 pm - 9:14 pmSTL  Lambert-St Louis-TUS Tucson
10h 15m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
11:11 am - 6:31 pmTUS  Tucson-STL Lambert-St Louis
5h 20m1 stop Houston George Bush Intcntl
$360United Airlines
Tue, Sep 15 - Tue, Sep 22
Southwest Logo
6:30 pm - 10:00 pmSTL  Lambert-St Louis-TUS Tucson
5h 30m1 stop Denver Intl
Southwest Logo
11:55 am - 8:25 pmTUS  Tucson-STL Lambert-St Louis
6h 30m1 stop Phoenix Sky Harbor Intl
$370Southwest
Tue, Sep 15 - Fri, Sep 18
Southwest Logo
5:05 am - 8:35 amSTL  Lambert-St Louis-TUS Tucson
5h 30m1 stop Phoenix Sky Harbor Intl
Southwest Logo
5:15 pm - 1:15 amTUS  Tucson-STL Lambert-St Louis
6h 00m1 stop Phoenix Sky Harbor Intl
$370Southwest
Fri, Oct 16 - Mon, Oct 19
Delta Logo
6:00 am - 12:59 pmSTL  Lambert-St Louis-TUS Tucson
7h 59m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:14 pm - 11:39 pmTUS  Tucson-STL Lambert-St Louis
6h 25m1 stop Atlanta Hartsfield-Jackson
$406Delta
Wed, Dec 23 - Tue, Dec 29

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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
Sep 15
STL8:00 amLambert-St Louis
7h 34m
1 stop
TUS1:34 pmTucson
Sep 22
TUS6:45 amTucson
4h 59m
1 stop
STL1:44 pmLambert-St Louis
$355
American Airlines
Sep 11
STL7:00 amLambert-St Louis
7h 15m
1 stop
TUS12:15 pmTucson
Sep 18
TUS11:52 amTucson
7h 00m
1 stop
STL8:52 pmLambert-St Louis
$370
American Airlines
Sep 9
STL5:43 amLambert-St Louis
5h 14m
1 stop
TUS8:57 amTucson
Sep 12
TUS8:36 amTucson
7h 28m
2 stops
STL6:04 pmLambert-St Louis
$374

Southwest flights from St. Louis to Tucson

Our best Southwest deals on St. Louis to Tucson flight tickets
Southwest
Feb 10
STL11:55 amLambert-St Louis
9h 25m
2 stops
TUS8:20 pmTucson
Feb 20
TUS5:25 amTucson
7h 30m
1 stop
STL1:55 pmLambert-St Louis
$375
Southwest
Sep 15
STL3:45 pmLambert-St Louis
8h 15m
2 stops
TUS10:00 pmTucson
Sep 18
TUS11:55 amTucson
6h 30m
1 stop
STL8:25 pmLambert-St Louis
$390
Southwest
Dec 8
STL2:05 pmLambert-St Louis
7h 30m
2 stops
TUS8:35 pmTucson
Dec 14
TUS11:30 amTucson
6h 05m
1 stop
STL6:35 pmLambert-St Louis
$393

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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Price

Cheapest round-trip

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Tue 10/6

8:03 am-1:58 pm

1 stop7h 55m

Tucson

Sat 10/10

3:55 pm-11:42 pm

1 stop5h 47m

$355

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Tue 9/15

7:27 am-11:37 am

1 stop6h 10m

Tucson

Tue 9/22

9:38 am-6:04 pm

1 stop6h 26m

$355

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Thu 12/17

7:05 am-1:29 pm

1 stop7h 24m

Tucson

Mon 1/18

4:06 pm-11:39 pm

1 stop6h 33m

$355

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Wed 2/10

6:00 am-12:14 pm

1 stop7h 14m

Tucson

Sat 2/20

1:35 pm-8:49 pm

1 stop6h 14m

$355

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Wed 9/9

7:00 am-11:00 am

1 stop6h 00m

Tucson

Sat 9/12

12:27 pm-8:44 pm

1 stop6h 17m

$355

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Wed 9/9

1:36 pm-9:10 pm

2 stops9h 34m

Tucson

Sat 9/12

5:30 am-12:40 pm

1 stop5h 10m

$360

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Tue 9/15

12:59 pm-9:14 pm

2 stops10h 15m

Tucson

Tue 9/22

11:11 am-6:31 pm

1 stop5h 20m

$360

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Tue 9/15

6:30 pm-10:00 pm

1 stop5h 30m

Tucson

Fri 9/18

11:55 am-8:25 pm

1 stop6h 30m

$370
Quickest round-trip

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Fri 10/16

5:05 am-8:35 am

1 stop5h 30m

Tucson

Mon 10/19

5:15 pm-1:15 am

1 stop6h 00m

$370

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Wed 12/23

6:00 am-12:59 pm

1 stop7h 59m

Tucson

Tue 12/29

4:14 pm-11:39 pm

1 stop6h 25m

$406

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 $336 to $612.
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 December to fly from St. Louis, when ticket prices are also cheap, with an average price of $335.

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 $416 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 $341 on momondo.

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

As of August 2026, prices for St. Louis to Tucson flights are approximately 6% 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 10m

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 10m
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 10m 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
10,112 reviews
Search United Airlines flights
American AirlinesPriceFrom $278Free CancellationRating
7.1
11,990 reviews
Search American Airlines flights
SouthwestPriceFrom $307Free CancellationRating
8.0
4,214 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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