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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
3:43 pm - 9:55 pmSTL  Lambert-St Louis-TUS Tucson
7h 12m1 stop Dallas/Fort Worth
American Airlines Logo
3:52 pm - 11:59 pmTUS  Tucson-STL Lambert-St Louis
7h 07m1 stop Chicago O'Hare Intl
$355American Airlines
Thu, Feb 4 - Wed, Feb 10
American Airlines Logo
7:06 pm - 11:59 pmSTL  Lambert-St Louis-TUS Tucson
5h 53m1 stop Dallas/Fort Worth
American Airlines Logo
5:59 pm - 11:56 pmTUS  Tucson-STL Lambert-St Louis
4h 57m1 stop Phoenix Sky Harbor Intl
$355American Airlines
Thu, Nov 12 - Mon, Nov 16
Southwest Logo
5:30 am - 9:05 amSTL  Lambert-St Louis-TUS Tucson
5h 35m1 stop Las Vegas Harry Reid Intl
Southwest Logo
3:00 pm - 11:50 pmTUS  Tucson-STL Lambert-St Louis
6h 50m1 stop Denver Intl
$355Southwest
Mon, Oct 5 - Thu, Oct 22
American Airlines Logo
6:32 am - 12:33 pmSTL  Lambert-St Louis-TUS Tucson
8h 01m1 stop Dallas/Fort Worth
American Airlines Logo
9:37 am - 6:20 pmTUS  Tucson-STL Lambert-St Louis
6h 43m1 stop Dallas/Fort Worth
$355American Airlines
Wed, Oct 21 - Sat, Oct 24
Southwest Logo
2:05 pm - 8:20 pmSTL  Lambert-St Louis-TUS Tucson
7h 15m1 stop Phoenix Sky Harbor Intl
Southwest Logo
12:35 pm - 9:15 pmTUS  Tucson-STL Lambert-St Louis
7h 40m1 stop Las Vegas Harry Reid Intl
$376Southwest
Tue, Nov 3 - Tue, Nov 10
Delta Logo
2:33 pm - 11:07 pmSTL  Lambert-St Louis-TUS Tucson
9h 34m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:01 am - 1:28 pmTUS  Tucson-STL Lambert-St Louis
6h 27m1 stop Atlanta Hartsfield-Jackson
$380Delta
Fri, Dec 4 - Mon, Dec 7
Delta Logo
6:00 am - 12:00 pmSTL  Lambert-St Louis-TUS Tucson
7h 00m1 stop Atlanta Hartsfield-Jackson
Delta Logo
2:29 pm - 9:51 pmTUS  Tucson-STL Lambert-St Louis
6h 22m1 stop Minneapolis St Paul
$380Delta
Fri, Dec 25 - Thu, Dec 31
Southwest Logo
6:30 am - 10:50 amSTL  Lambert-St Louis-TUS Tucson
5h 20m1 stop Denver Intl
Southwest Logo
7:10 am - 5:25 pmTUS  Tucson-STL Lambert-St Louis
9h 15m2 stops Phoenix Sky Harbor Intl Omaha Eppley Airfield
$381Southwest
Tue, Nov 3 - Tue, Nov 10
United Airlines Logo
5:10 am - 8:43 amSTL  Lambert-St Louis-TUS Tucson
5h 33m1 stop Denver Intl
United Airlines Logo
1:40 pm - 11:31 pmTUS  Tucson-STL Lambert-St Louis
7h 51m2 stops Denver Intl Chicago O'Hare Intl
$385United Airlines
Fri, Oct 16 - Sat, Oct 24
United Airlines Logo
8:50 am - 1:24 pmSTL  Lambert-St Louis-TUS Tucson
5h 34m1 stop Denver Intl
United Airlines Logo
7:30 am - 2:13 pmTUS  Tucson-STL Lambert-St Louis
5h 43m1 stop Houston George Bush Intcntl
$406United Airlines
Fri, Nov 20 - Thu, Nov 26

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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
Nov 12
STL7:06 pmLambert-St Louis
5h 53m
1 stop
TUS11:59 pmTucson
Nov 16
TUS5:59 pmTucson
4h 57m
1 stop
STL11:56 pmLambert-St Louis
$355
American Airlines
Oct 21
STL6:32 amLambert-St Louis
8h 01m
1 stop
TUS12:33 pmTucson
Oct 24
TUS2:28 pmTucson
7h 14m
2 stops
STL11:42 pmLambert-St Louis
$374
American Airlines
Oct 8
STL5:40 amLambert-St Louis
5h 11m
1 stop
TUS8:51 amTucson
Oct 15
TUS1:23 pmTucson
6h 36m
1 stop
STL9:59 pmLambert-St Louis
$380

United Airlines flights from St. Louis to Tucson

Our best United Airlines deals on St. Louis to Tucson flight tickets
United Airlines
Oct 16
STL5:10 amLambert-St Louis
5h 33m
1 stop
TUS8:43 amTucson
Oct 24
TUS1:40 pmTucson
7h 51m
2 stops
STL11:31 pmLambert-St Louis
$385
United Airlines
Oct 29
STL8:50 amLambert-St Louis
5h 34m
1 stop
TUS12:24 pmTucson
Nov 1
TUS6:30 amTucson
8h 13m
2 stops
STL3:43 pmLambert-St Louis
$411
United Airlines
Nov 17
STL1:08 pmLambert-St Louis
9h 26m
2 stops
TUS9:34 pmTucson
Nov 26
TUS12:09 pmTucson
5h 29m
1 stop
STL6:38 pmLambert-St Louis
$429

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

Thu 2/4

3:43 pm-9:55 pm

1 stop7h 12m

Tucson

Wed 2/10

3:52 pm-11:59 pm

1 stop7h 07m

$355
Quickest round-trip

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Thu 11/12

7:06 pm-11:59 pm

1 stop5h 53m

Tucson

Mon 11/16

5:59 pm-11:56 pm

1 stop4h 57m

$355

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Mon 10/5

5:30 am-9:05 am

1 stop5h 35m

Tucson

Thu 10/22

3:00 pm-11:50 pm

1 stop6h 50m

$355

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Wed 10/21

6:32 am-12:33 pm

1 stop8h 01m

Tucson

Sat 10/24

9:37 am-6:20 pm

1 stop6h 43m

$355

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Tue 11/3

2:05 pm-8:20 pm

1 stop7h 15m

Tucson

Tue 11/10

12:35 pm-9:15 pm

1 stop7h 40m

$376

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Fri 12/4

2:33 pm-11:07 pm

1 stop9h 34m

Tucson

Mon 12/7

6:01 am-1:28 pm

1 stop6h 27m

$380

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Fri 12/25

6:00 am-12:00 pm

1 stop7h 00m

Tucson

Thu 12/31

2:29 pm-9:51 pm

1 stop6h 22m

$380

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Tue 11/3

6:30 am-10:50 am

1 stop5h 20m

Tucson

Tue 11/10

7:10 am-5:25 pm

2 stops9h 15m

$381

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Fri 10/16

5:10 am-8:43 am

1 stop5h 33m

Tucson

Sat 10/24

1:40 pm-11:31 pm

2 stops7h 51m

$385

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Fri 11/20

8:50 am-1:24 pm

1 stop5h 34m

Tucson

Thu 11/26

7:30 am-2:13 pm

1 stop5h 43m

$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 low for flights on this route.

Typical prices usually range from $361 to $474.
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 $431 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 27m

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 27m
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 27m 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
10,206 reviews
Search United Airlines flights
American AirlinesPriceFrom $278Free CancellationRating
7.1
12,050 reviews
Search American Airlines flights
SouthwestPriceFrom $307Free CancellationRating
8.0
4,192 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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