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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.
United Airlines Logo
1:29 pm - 11:40 pmTUS  Tucson-STL Lambert-St Louis
8h 11m1 stop Denver Intl
United Airlines Logo
6:00 am - 11:13 amSTL  Lambert-St Louis-TUS Tucson
7h 13m1 stop Chicago O'Hare Intl
$350United Airlines
Wed, Sep 9 - Thu, Sep 10
American Airlines Logo
12:09 pm - 7:07 pmTUS  Tucson-STL Lambert-St Louis
4h 58m1 stop Dallas/Fort Worth
American Airlines Logo
8:48 am - 3:05 pmSTL  Lambert-St Louis-TUS Tucson
8h 17m1 stop Dallas/Fort Worth
$355American Airlines
Tue, Sep 29 - Tue, Oct 6
Southwest Logo
5:15 pm - 1:15 amTUS  Tucson-STL Lambert-St Louis
6h 00m1 stop Phoenix Sky Harbor Intl
Southwest Logo
5:05 am - 8:35 amSTL  Lambert-St Louis-TUS Tucson
5h 30m1 stop Phoenix Sky Harbor Intl
$355Southwest
Mon, Oct 12 - Thu, Oct 15
Southwest Logo
5:15 pm - 1:15 amTUS  Tucson-STL Lambert-St Louis
6h 00m1 stop Phoenix Sky Harbor Intl
Southwest Logo
6:20 pm - 11:10 pmSTL  Lambert-St Louis-TUS Tucson
6h 50m1 stop Las Vegas Harry Reid Intl
$355Southwest
Thu, Oct 22 - Mon, Oct 26
American Airlines Logo
5:25 am - 12:32 pmTUS  Tucson-STL Lambert-St Louis
6h 07m1 stop Dallas/Fort Worth
American Airlines Logo
11:00 am - 3:37 pmSTL  Lambert-St Louis-TUS Tucson
5h 37m1 stop Phoenix Sky Harbor Intl
$355American Airlines
Thu, Jan 28 - Thu, Feb 4
American Airlines Logo
5:25 am - 2:04 pmTUS  Tucson-STL Lambert-St Louis
7h 39m1 stop Dallas/Fort Worth
American Airlines Logo
4:57 pm - 11:02 pmSTL  Lambert-St Louis-TUS Tucson
7h 05m1 stop Dallas/Fort Worth
$355American Airlines
Wed, Jan 20 - Mon, Jan 25
United Airlines Logo
1:30 pm - 11:09 pmTUS  Tucson-STL Lambert-St Louis
8h 39m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
4:30 pm - 9:42 pmSTL  Lambert-St Louis-TUS Tucson
6h 12m1 stop Denver Intl
$360United Airlines
Wed, Jan 20 - Mon, Jan 25
United Airlines Logo
9:45 am - 4:37 pmTUS  Tucson-STL Lambert-St Louis
4h 52m1 stop Denver Intl
United Airlines Logo
1:25 pm - 8:25 pmSTL  Lambert-St Louis-TUS Tucson
9h 00m2 stops Chicago O'Hare Intl Denver Intl
$360United Airlines
Wed, Oct 14 - Sat, Oct 24
Delta Logo
4:30 pm - 12:44 amTUS  Tucson-STL Lambert-St Louis
6h 14m1 stop Salt Lake City
Delta Logo
2:25 pm - 9:55 pmSTL  Lambert-St Louis-TUS Tucson
9h 30m1 stop Atlanta Hartsfield-Jackson
$370Delta
Fri, Oct 9 - Tue, Oct 13
Delta Logo
6:00 pm - 12:36 amTUS  Tucson-STL Lambert-St Louis
5h 36m1 stop Salt Lake City
Delta Logo
6:00 am - 12:00 pmSTL  Lambert-St Louis-TUS Tucson
7h 00m1 stop Atlanta Hartsfield-Jackson
$376Delta
Wed, Dec 23 - Thu, Dec 24

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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
Sep 29
TUS2:04 pmTucson
4h 48m
1 stop
STL8:52 pmLambert-St Louis
Oct 6
STL7:10 pmLambert-St Louis
6h 16m
1 stop
TUS11:26 pmTucson
$355
American Airlines
Sep 29
TUS8:36 amTucson
7h 28m
2 stops
STL6:04 pmLambert-St Louis
Oct 6
STL8:48 amLambert-St Louis
5h 45m
1 stop
TUS12:33 pmTucson
$374
American Airlines
Sep 29
TUS8:36 amTucson
7h 28m
2 stops
STL6:04 pmLambert-St Louis
Oct 6
STL5:40 amLambert-St Louis
7h 31m
2 stops
TUS11:11 amTucson
$394

Southwest flights from Tucson to St. Louis

Our best Southwest deals on Tucson to St. Louis flight tickets
Southwest
Oct 22
TUS7:45 amTucson
7h 15m
2 stops
STL5:00 pmLambert-St Louis
Oct 26
STL2:25 pmLambert-St Louis
7h 00m
2 stops
TUS7:25 pmTucson
$399
Southwest
Sep 29
TUS7:25 amTucson
8h 30m
2 stops
STL5:55 pmLambert-St Louis
Oct 7
STL5:20 pmLambert-St Louis
6h 40m
2 stops
TUS10:00 pmTucson
$401
Southwest
Oct 14
TUS4:30 pmTucson
5h 00m
1 stop
STL11:30 pmLambert-St Louis
Oct 18
STL7:10 pmLambert-St Louis
7h 00m
1 stop
TUS12:10 amTucson
$416

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 9/9

1:29 pm-11:40 pm

1 stop8h 11m

Lambert-St Louis

Thu 9/10

6:00 am-11:13 am

1 stop7h 13m

$350

TucsonSt. Louis

TUS Tucson - STL Lambert-St Louis

TUSSTL

Tucson

Tue 9/29

12:09 pm-7:07 pm

1 stop4h 58m

Lambert-St Louis

Tue 10/6

8:48 am-3:05 pm

1 stop8h 17m

$355
Quickest round-trip

TucsonSt. Louis

TUS Tucson - STL Lambert-St Louis

TUSSTL

Tucson

Mon 10/12

5:15 pm-1:15 am

1 stop6h 00m

Lambert-St Louis

Thu 10/15

5:05 am-8:35 am

1 stop5h 30m

$355

TucsonSt. Louis

TUS Tucson - STL Lambert-St Louis

TUSSTL

Tucson

Thu 10/22

5:15 pm-1:15 am

1 stop6h 00m

Lambert-St Louis

Mon 10/26

6:20 pm-11:10 pm

1 stop6h 50m

$355

TucsonSt. Louis

TUS Tucson - STL Lambert-St Louis

TUSSTL

Tucson

Thu 1/28

5:25 am-12:32 pm

1 stop6h 07m

Lambert-St Louis

Thu 2/4

11:00 am-3:37 pm

1 stop5h 37m

$355

TucsonSt. Louis

TUS Tucson - STL Lambert-St Louis

TUSSTL

Tucson

Wed 1/20

5:25 am-2:04 pm

1 stop7h 39m

Lambert-St Louis

Mon 1/25

4:57 pm-11:02 pm

1 stop7h 05m

$355

TucsonSt. Louis

TUS Tucson - STL Lambert-St Louis

TUSSTL

Tucson

Wed 1/20

1:30 pm-11:09 pm

2 stops8h 39m

Lambert-St Louis

Mon 1/25

4:30 pm-9:42 pm

1 stop6h 12m

$360

TucsonSt. Louis

TUS Tucson - STL Lambert-St Louis

TUSSTL

Tucson

Wed 10/14

9:45 am-4:37 pm

1 stop4h 52m

Lambert-St Louis

Sat 10/24

1:25 pm-8:25 pm

2 stops9h 00m

$360

TucsonSt. Louis

TUS Tucson - STL Lambert-St Louis

TUSSTL

Tucson

Fri 10/9

4:30 pm-12:44 am

1 stop6h 14m

Lambert-St Louis

Tue 10/13

2:25 pm-9:55 pm

1 stop9h 30m

$370

TucsonSt. Louis

TUS Tucson - STL Lambert-St Louis

TUSSTL

Tucson

Wed 12/23

6:00 pm-12:36 am

1 stop5h 36m

Lambert-St Louis

Thu 12/24

6:00 am-12:00 pm

1 stop7h 00m

$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 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 $404 to $486.
The lowest price recently found on this route was $350.

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 October is another great option to travel to St. Louis, with average flight prices from Tucson averaging around $346.

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

As of August 2026, prices for Tucson to St. Louis flights are approximately 52% 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

5h 36m

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 $350.
The fastest flight from Tucson to St. Louis takes 5h 36m
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 5h 36m.

  • 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
American AirlinesPriceFrom $265Free CancellationRating
7.1
12,012 reviews
Search American Airlines flights
SouthwestPriceFrom $266Free CancellationRating
8.0
4,204 reviews
Search Southwest flights
United AirlinesPriceFrom $284Free CancellationRating
7.4
10,131 reviews
Search United Airlines flights

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
Maryland Heights
St. Peters
Hermann
Alton
Florissant
Collinsville
O'Fallon
Farmington
Clayton
Fenton
Festus
Wentzville
Eureka
Edwardsville
Litchfield
Grafton
Shrewsbury

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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