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Cheap flights from Tucson to St. Louis from $178

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Tucson to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
9:37 am - 6:20 pmTUS  Tucson-STL Lambert-St Louis
6h 43m1 stop Dallas/Fort Worth
American Airlines Logo
5:40 am - 8:51 amSTL  Lambert-St Louis-TUS Tucson
5h 11m1 stop Dallas/Fort Worth
$355American Airlines
Wed, Oct 21 - Mon, Oct 26
American Airlines Logo
4:57 pm - 11:33 pmTUS  Tucson-STL Lambert-St Louis
5h 36m1 stop Dallas/Fort Worth
American Airlines Logo
7:06 pm - 11:59 pmSTL  Lambert-St Louis-TUS Tucson
5h 53m1 stop Dallas/Fort Worth
$355American Airlines
Thu, Nov 5 - Mon, Nov 9
American Airlines Logo
2:21 pm - 11:33 pmTUS  Tucson-STL Lambert-St Louis
8h 12m1 stop Dallas/Fort Worth
American Airlines Logo
10:21 am - 4:07 pmSTL  Lambert-St Louis-TUS Tucson
6h 46m1 stop Dallas/Fort Worth
$355American Airlines
Wed, Dec 2 - Mon, Dec 7
United Airlines Logo
6:30 am - 3:43 pmTUS  Tucson-STL Lambert-St Louis
8h 13m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
4:39 pm - 9:34 pmSTL  Lambert-St Louis-TUS Tucson
5h 55m1 stop Denver Intl
$360United Airlines
Thu, Nov 5 - Mon, Nov 9
United Airlines Logo
6:30 am - 12:43 pmTUS  Tucson-STL Lambert-St Louis
5h 13m1 stop Denver Intl
United Airlines Logo
6:33 am - 1:31 pmSTL  Lambert-St Louis-TUS Tucson
7h 58m2 stops Chicago O'Hare Intl Denver Intl
$376United Airlines
Wed, Dec 2 - Mon, Dec 7
Delta Logo
5:53 pm - 12:46 amTUS  Tucson-STL Lambert-St Louis
5h 53m1 stop Salt Lake City
Delta Logo
6:00 am - 12:00 pmSTL  Lambert-St Louis-TUS Tucson
7h 00m1 stop Atlanta Hartsfield-Jackson
$380Delta
Thu, Dec 17 - Fri, Jan 1
Delta Logo
3:03 pm - 12:05 amTUS  Tucson-STL Lambert-St Louis
8h 02m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 12:00 pmSTL  Lambert-St Louis-TUS Tucson
7h 00m1 stop Atlanta Hartsfield-Jackson
$380Delta
Tue, Dec 15 - Fri, Jan 1
United Airlines Logo
6:30 am - 12:38 pmTUS  Tucson-STL Lambert-St Louis
5h 08m1 stop Denver Intl
United Airlines Logo
2:55 pm - 10:19 pmSTL  Lambert-St Louis-TUS Tucson
8h 24m1 stop Houston George Bush Intcntl
$380United Airlines
Mon, Nov 2 - Fri, Nov 6
Southwest Logo
10:25 am - 7:45 pmTUS  Tucson-STL Lambert-St Louis
7h 20m1 stop Denver Intl
Southwest Logo
10:55 am - 4:45 pmSTL  Lambert-St Louis-TUS Tucson
7h 50m1 stop Chicago Midway
$397Southwest
Tue, Oct 20 - Tue, Oct 27
Southwest Logo
6:05 am - 2:40 pmTUS  Tucson-STL Lambert-St Louis
7h 35m1 stop Las Vegas Harry Reid Intl
Southwest Logo
10:30 am - 3:05 pmSTL  Lambert-St Louis-TUS Tucson
5h 35m1 stop Chicago Midway
$401Southwest
Wed, Dec 2 - Sun, Dec 6

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American Airlines flights from Tucson to St. Louis

Our best American Airlines deals on Tucson to St. Louis flight tickets
American Airlines
Oct 21
TUS9:37 amTucson
6h 43m
1 stop
STL6:20 pmLambert-St Louis
Oct 26
STL5:40 amLambert-St Louis
5h 11m
1 stop
TUS8:51 amTucson
$355
American Airlines
Oct 21
TUS10:28 amTucson
7h 20m
2 stops
STL7:48 pmLambert-St Louis
Oct 26
STL5:40 amLambert-St Louis
5h 11m
1 stop
TUS8:51 amTucson
$375
American Airlines
Oct 9
TUS11:53 amTucson
6h 50m
1 stop
STL8:43 pmLambert-St Louis
Oct 13
STL7:10 pmLambert-St Louis
6h 16m
1 stop
TUS11:26 pmTucson
$380

Southwest flights from Tucson to St. Louis

Our best Southwest deals on Tucson to St. Louis flight tickets
Southwest
Oct 20
TUS10:25 amTucson
7h 20m
1 stop
STL7:45 pmLambert-St Louis
Oct 27
STL10:55 amLambert-St Louis
7h 50m
1 stop
TUS4:45 pmTucson
$397
Southwest
Dec 2
TUS6:05 amTucson
7h 35m
1 stop
STL2:40 pmLambert-St Louis
Dec 6
STL10:30 amLambert-St Louis
5h 35m
1 stop
TUS3:05 pmTucson
$401
Southwest
Oct 20
TUS5:40 amTucson
7h 35m
1 stop
STL3:15 pmLambert-St Louis
Oct 27
STL6:30 amLambert-St Louis
8h 55m
2 stops
TUS1:25 pmTucson
$402

momondo Fare Finder

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

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Price

Cheapest round-trip

TucsonSt. Louis

TUS Tucson - STL Lambert-St Louis

TUSSTL

Tucson

Wed 10/21

9:37 am-6:20 pm

1 stop6h 43m

Lambert-St Louis

Mon 10/26

5:40 am-8:51 am

1 stop5h 11m

$355
Quickest round-trip

TucsonSt. Louis

TUS Tucson - STL Lambert-St Louis

TUSSTL

Tucson

Thu 11/5

4:57 pm-11:33 pm

1 stop5h 36m

Lambert-St Louis

Mon 11/9

7:06 pm-11:59 pm

1 stop5h 53m

$355

TucsonSt. Louis

TUS Tucson - STL Lambert-St Louis

TUSSTL

Tucson

Wed 12/2

2:21 pm-11:33 pm

1 stop8h 12m

Lambert-St Louis

Mon 12/7

10:21 am-4:07 pm

1 stop6h 46m

$355

TucsonSt. Louis

TUS Tucson - STL Lambert-St Louis

TUSSTL

Tucson

Thu 11/5

6:30 am-3:43 pm

2 stops8h 13m

Lambert-St Louis

Mon 11/9

4:39 pm-9:34 pm

1 stop5h 55m

$360

TucsonSt. Louis

TUS Tucson - STL Lambert-St Louis

TUSSTL

Tucson

Wed 12/2

6:30 am-12:43 pm

1 stop5h 13m

Lambert-St Louis

Mon 12/7

6:33 am-1:31 pm

2 stops7h 58m

$376

TucsonSt. Louis

TUS Tucson - STL Lambert-St Louis

TUSSTL

Tucson

Thu 12/17

5:53 pm-12:46 am

1 stop5h 53m

Lambert-St Louis

Fri 1/1

6:00 am-12:00 pm

1 stop7h 00m

$380

TucsonSt. Louis

TUS Tucson - STL Lambert-St Louis

TUSSTL

Tucson

Tue 12/15

3:03 pm-12:05 am

1 stop8h 02m

Lambert-St Louis

Fri 1/1

6:00 am-12:00 pm

1 stop7h 00m

$380

TucsonSt. Louis

TUS Tucson - STL Lambert-St Louis

TUSSTL

Tucson

Mon 11/2

6:30 am-12:38 pm

1 stop5h 08m

Lambert-St Louis

Fri 11/6

2:55 pm-10:19 pm

1 stop8h 24m

$380

TucsonSt. Louis

TUS Tucson - STL Lambert-St Louis

TUSSTL

Tucson

Tue 10/20

10:25 am-7:45 pm

1 stop7h 20m

Lambert-St Louis

Tue 10/27

10:55 am-4:45 pm

1 stop7h 50m

$397

TucsonSt. Louis

TUS Tucson - STL Lambert-St Louis

TUSSTL

Tucson

Wed 12/2

6:05 am-2:40 pm

1 stop7h 35m

Lambert-St Louis

Sun 12/6

10:30 am-3:05 pm

1 stop5h 35m

$401

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 St. Louis from

How to get the cheapest flight ticket from Tucson to St. Louis

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 Tucson and St. Louis?

Prices are currently low for flights on this route.

Typical prices usually range from $372 to $611.
The lowest price recently found on this route was $355.

What is the cheapest month to fly to St. Louis?

In general, February is the cheapest month to fly from Tucson to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $287. The month of January is another great option to travel to St. Louis, with average flight prices from Tucson averaging around $366.

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

As of September 2026, prices for Tucson to St. Louis flights are approximately 180% more expensive when compared to flights at the same time last year.

When to book flights from Tucson to St. Louis

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

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

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

Best Price Found

$178

Fastest flight time

4h 53m

Direct flights

None
The best one-way flight to St. Louis from Tucson in the past 72 hours is $178. The best round-trip flight deal from Tucson to St. Louis found on momondo in the last 72 hours is $355.
The fastest flight from Tucson to St. Louis takes 4h 53m
There are no direct flights from Tucson to St. Louis. There are no popular flight routes from Tucson to St. Louis.
Search flight deals

Frequently asked questions about flying from Tucson to St. Louis

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

    The distance between Tucson and Lambert-St Louis is about 1245.9 mi. A reasonable flight in good conditions will take 4h 53m.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Tucson Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Tucson to St. Louis

Compare and see reviews for airlines that fly from Tucson to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $264Free CancellationRating
8.0
4,190 reviews
Search Southwest flights
American AirlinesPriceFrom $265Free CancellationRating
7.1
12,051 reviews
Search American Airlines flights
United AirlinesPriceFrom $286Free CancellationRating
7.4
10,214 reviews
Search United Airlines flights

  • Southwest Flights From Tucson to St. Louis

    Southwest flight deals from Tucson to St. Louis start from $264 round-trip. Over the 1 Southwest flight for this route in a normal week, average airfare is usually $496 round-trip - but some users have found much cheaper deals with momondo.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
St. Peters
Maryland Heights
Alton
Collinsville
Florissant
Hermann
Clayton
O'Fallon
Farmington
Fenton
Festus
Edwardsville
Wentzville
Eureka
Litchfield
Grafton
Waterloo

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Tucson to St. Louis. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Tucson to St. Louis 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 Tucson to St. Louis?

Once all potential Tucson to St. Louis 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 Tucson to St. Louis right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Tucson to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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