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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
8:00 am - 2:16 pmSTL  Lambert-St Louis-TUS Tucson
7h 16m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
4:08 pm - 11:55 pmTUS  Tucson-STL Lambert-St Louis
6h 47m1 stop Phoenix Sky Harbor Intl
$355American Airlines
Wed, Jan 27 - Thu, Feb 4
American Airlines Logo
5:00 am - 9:56 amSTL  Lambert-St Louis-TUS Tucson
5h 56m1 stop Dallas/Fort Worth
American Airlines Logo
4:00 pm - 11:56 pmTUS  Tucson-STL Lambert-St Louis
6h 56m1 stop Phoenix Sky Harbor Intl
$355American Airlines
Thu, Nov 12 - Mon, Nov 16
Southwest Logo
12:45 pm - 3:45 pmSTL  Lambert-St Louis-TUS Tucson
5h 00m1 stop Denver Intl
Southwest Logo
4:25 pm - 10:05 pmTUS  Tucson-STL Lambert-St Louis
4h 40m1 stop Phoenix Sky Harbor Intl
$355Southwest
Tue, Oct 27 - Tue, Nov 3
American Airlines Logo
2:54 pm - 7:11 pmSTL  Lambert-St Louis-TUS Tucson
5h 17m1 stop Dallas/Fort Worth
American Airlines Logo
5:56 pm - 11:51 pmTUS  Tucson-STL Lambert-St Louis
4h 55m1 stop Phoenix Sky Harbor Intl
$355American Airlines
Thu, Feb 18 - Mon, Feb 22
Southwest Logo
5:25 pm - 10:25 pmSTL  Lambert-St Louis-TUS Tucson
6h 00m1 stop Denver Intl
Southwest Logo
6:05 am - 3:20 pmTUS  Tucson-STL Lambert-St Louis
8h 15m2 stops Las Vegas Harry Reid Intl Denver Intl
$360Southwest
Thu, Dec 3 - Thu, Dec 10
United Airlines Logo
4:39 pm - 9:34 pmSTL  Lambert-St Louis-TUS Tucson
5h 55m1 stop Denver Intl
United Airlines Logo
6:30 am - 3:43 pmTUS  Tucson-STL Lambert-St Louis
8h 13m2 stops Denver Intl Chicago O'Hare Intl
$360United Airlines
Wed, Nov 4 - Thu, Nov 12
United Airlines Logo
1:08 pm - 8:34 pmSTL  Lambert-St Louis-TUS Tucson
9h 26m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
6:30 am - 12:38 pmTUS  Tucson-STL Lambert-St Louis
5h 08m1 stop Denver Intl
$360United Airlines
Tue, Oct 27 - Tue, Nov 3
Southwest Logo
6:30 am - 1:25 pmSTL  Lambert-St Louis-TUS Tucson
8h 55m2 stops Denver Intl Phoenix Sky Harbor Intl
Southwest Logo
7:10 am - 5:25 pmTUS  Tucson-STL Lambert-St Louis
9h 15m2 stops Phoenix Sky Harbor Intl Omaha Eppley Airfield
$366Southwest
Tue, Oct 27 - Tue, Nov 3
Delta Logo
3:48 pm - 11:06 pmSTL  Lambert-St Louis-TUS Tucson
8h 18m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:27 pm - 11:55 pmTUS  Tucson-STL Lambert-St Louis
6h 28m1 stop Atlanta Hartsfield-Jackson
$376Delta
Wed, Dec 23 - Wed, Dec 30
Delta Logo
2:15 pm - 10:39 pmSTL  Lambert-St Louis-TUS Tucson
9h 24m1 stop Salt Lake City
Delta Logo
4:27 pm - 11:55 pmTUS  Tucson-STL Lambert-St Louis
6h 28m1 stop Atlanta Hartsfield-Jackson
$376Delta
Tue, Dec 22 - 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
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
Nov 13
STL7:26 amLambert-St Louis
8h 17m
1 stop
TUS2:43 pmTucson
Nov 14
TUS4:57 pmTucson
5h 36m
1 stop
STL11:33 pmLambert-St Louis
$365
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
$371

Southwest flights from St. Louis to Tucson

Our best Southwest deals on St. Louis to Tucson flight tickets
Southwest
Oct 27
STL6:30 amLambert-St Louis
8h 55m
2 stops
TUS1:25 pmTucson
Nov 3
TUS7:10 amTucson
9h 15m
2 stops
STL5:25 pmLambert-St Louis
$366
Southwest
Nov 13
STL7:20 pmLambert-St Louis
5h 30m
1 stop
TUS11:50 pmTucson
Nov 14
TUS6:05 amTucson
9h 15m
2 stops
STL4:20 pmLambert-St Louis
$370
Southwest
Nov 13
STL4:50 pmLambert-St Louis
8h 00m
2 stops
TUS11:50 pmTucson
Nov 14
TUS6:05 amTucson
9h 15m
2 stops
STL4:20 pmLambert-St Louis
$376

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

Return

Price

Cheapest round-trip

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Wed 1/27

8:00 am-2:16 pm

1 stop7h 16m

Tucson

Thu 2/4

4:08 pm-11:55 pm

1 stop6h 47m

$355

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Thu 11/12

5:00 am-9:56 am

1 stop5h 56m

Tucson

Mon 11/16

4:00 pm-11:56 pm

1 stop6h 56m

$355
Quickest round-trip

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Tue 10/27

12:45 pm-3:45 pm

1 stop5h 00m

Tucson

Tue 11/3

4:25 pm-10:05 pm

1 stop4h 40m

$355

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Thu 2/18

2:54 pm-7:11 pm

1 stop5h 17m

Tucson

Mon 2/22

5:56 pm-11:51 pm

1 stop4h 55m

$355

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Thu 12/3

5:25 pm-10:25 pm

1 stop6h 00m

Tucson

Thu 12/10

6:05 am-3:20 pm

2 stops8h 15m

$360

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Wed 11/4

4:39 pm-9:34 pm

1 stop5h 55m

Tucson

Thu 11/12

6:30 am-3:43 pm

2 stops8h 13m

$360

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Tue 10/27

1:08 pm-8:34 pm

2 stops9h 26m

Tucson

Tue 11/3

6:30 am-12:38 pm

1 stop5h 08m

$360

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Tue 10/27

6:30 am-1:25 pm

2 stops8h 55m

Tucson

Tue 11/3

7:10 am-5:25 pm

2 stops9h 15m

$366

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Wed 12/23

3:48 pm-11:06 pm

1 stop8h 18m

Tucson

Wed 12/30

4:27 pm-11:55 pm

1 stop6h 28m

$376

St. LouisTucson

STL Lambert-St Louis - TUS Tucson

STLTUS

Lambert-St Louis

Tue 12/22

2:15 pm-10:39 pm

1 stop9h 24m

Tucson

Tue 12/29

4:27 pm-11:55 pm

1 stop6h 28m

$376

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 $278 to $360.
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 $338. 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 $342.

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 $433 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 $338 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 11m

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 11m
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 11m 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
10,261 reviews
Search United Airlines flights
American AirlinesPriceFrom $278Free CancellationRating
7.0
12,098 reviews
Search American Airlines flights
SouthwestPriceFrom $307Free CancellationRating
8.0
4,204 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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