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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
1:40 pm - 8:36 pmTUS  Tucson-STL Lambert-St Louis
4h 56m1 stop Denver Intl
United Airlines Logo
3:12 pm - 9:10 pmSTL  Lambert-St Louis-TUS Tucson
7h 58m1 stop Houston George Bush Intcntl
$355United Airlines
Wed, Sep 30 - Mon, Oct 5
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
American Airlines Logo
3:55 pm - 11:42 pmTUS  Tucson-STL Lambert-St Louis
5h 47m1 stop Dallas/Fort Worth
American Airlines Logo
7:10 pm - 11:26 pmSTL  Lambert-St Louis-TUS Tucson
6h 16m1 stop Dallas/Fort Worth
$355American Airlines
Sat, Oct 24 - Mon, Oct 26
American Airlines Logo
3:41 pm - 12:01 amTUS  Tucson-STL Lambert-St Louis
7h 20m1 stop Chicago O'Hare Intl
American Airlines Logo
7:58 am - 3:29 pmSTL  Lambert-St Louis-TUS Tucson
8h 31m1 stop Phoenix Sky Harbor Intl
$355American Airlines
Thu, Nov 19 - Mon, Nov 23
United Airlines Logo
1:40 pm - 11:31 pmTUS  Tucson-STL Lambert-St Louis
7h 51m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
4:39 pm - 8:34 pmSTL  Lambert-St Louis-TUS Tucson
5h 55m1 stop Denver Intl
$360United Airlines
Sat, Oct 24 - Mon, Oct 26
Southwest Logo
5:00 pm - 11:40 pmTUS  Tucson-STL Lambert-St Louis
4h 40m1 stop Phoenix Sky Harbor Intl
Southwest Logo
5:10 am - 11:20 amSTL  Lambert-St Louis-TUS Tucson
8h 10m1 stop Dallas Love Field
$361Southwest
Sat, Oct 17 - Thu, Oct 22
United Airlines Logo
1:40 pm - 8:36 pmTUS  Tucson-STL Lambert-St Louis
4h 56m1 stop Denver Intl
United Airlines Logo
1:29 pm - 9:10 pmSTL  Lambert-St Louis-TUS Tucson
9h 41m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
$388United Airlines
Wed, Sep 30 - Mon, Oct 5
Southwest Logo
2:05 pm - 10:10 pmTUS  Tucson-STL Lambert-St Louis
6h 05m1 stop Las Vegas Harry Reid Intl
Southwest Logo
1:45 pm - 7:35 pmSTL  Lambert-St Louis-TUS Tucson
7h 50m2 stops Omaha Eppley Airfield San Diego
$393Southwest
Wed, Oct 14 - Sat, Oct 24
Delta Logo
4:27 pm - 11:55 pmTUS  Tucson-STL Lambert-St Louis
6h 28m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:30 am - 1:15 pmSTL  Lambert-St Louis-TUS Tucson
7h 45m1 stop Minneapolis St Paul
$406Delta
Sun, Dec 20 - Mon, Dec 21
Delta Logo
7:08 am - 9:23 pmTUS  Tucson-STL Lambert-St Louis
12h 15m2 stops Salt Lake City Atlanta Hartsfield-Jackson
Delta Logo
10:14 am - 9:37 pmSTL  Lambert-St Louis-TUS Tucson
13h 23m2 stops Atlanta Hartsfield-Jackson Salt Lake City
$1,029Delta
Fri, Oct 9 - Tue, Oct 13

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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
Nov 19
TUS5:13 amTucson
7h 45m
1 stop
STL1:58 pmLambert-St Louis
Nov 23
STL5:29 pmLambert-St Louis
7h 42m
1 stop
TUS12:11 amTucson
$355
American Airlines
Oct 9
TUS3:55 pmTucson
5h 47m
1 stop
STL11:42 pmLambert-St Louis
Oct 13
STL6:32 amLambert-St Louis
8h 01m
1 stop
TUS12:33 pmTucson
$370
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

United Airlines flights from Tucson to St. Louis

Our best United Airlines deals on Tucson to St. Louis flight tickets
United Airlines
Oct 24
TUS1:40 pmTucson
7h 51m
2 stops
STL11:31 pmLambert-St Louis
Oct 26
STL4:39 pmLambert-St Louis
5h 55m
1 stop
TUS8:34 pmTucson
$360
United Airlines
Sep 30
TUS1:40 pmTucson
4h 56m
1 stop
STL8:36 pmLambert-St Louis
Oct 5
STL1:29 pmLambert-St Louis
9h 41m
2 stops
TUS9:10 pmTucson
$388
United Airlines
Oct 1
TUS1:40 pmTucson
4h 56m
1 stop
STL8:36 pmLambert-St Louis
Oct 6
STL1:29 pmLambert-St Louis
8h 56m
2 stops
TUS8:25 pmTucson
$436

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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Route

Depart

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Price

Cheapest round-trip

TucsonSt. Louis

TUS Tucson - STL Lambert-St Louis

TUSSTL

Tucson

Wed 9/30

1:40 pm-8:36 pm

1 stop4h 56m

Lambert-St Louis

Mon 10/5

3:12 pm-9:10 pm

1 stop7h 58m

$355

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

Sat 10/24

3:55 pm-11:42 pm

1 stop5h 47m

Lambert-St Louis

Mon 10/26

7:10 pm-11:26 pm

1 stop6h 16m

$355

TucsonSt. Louis

TUS Tucson - STL Lambert-St Louis

TUSSTL

Tucson

Thu 11/19

3:41 pm-12:01 am

1 stop7h 20m

Lambert-St Louis

Mon 11/23

7:58 am-3:29 pm

1 stop8h 31m

$355

TucsonSt. Louis

TUS Tucson - STL Lambert-St Louis

TUSSTL

Tucson

Sat 10/24

1:40 pm-11:31 pm

2 stops7h 51m

Lambert-St Louis

Mon 10/26

4:39 pm-8:34 pm

1 stop5h 55m

$360

TucsonSt. Louis

TUS Tucson - STL Lambert-St Louis

TUSSTL

Tucson

Sat 10/17

5:00 pm-11:40 pm

1 stop4h 40m

Lambert-St Louis

Thu 10/22

5:10 am-11:20 am

1 stop8h 10m

$361

TucsonSt. Louis

TUS Tucson - STL Lambert-St Louis

TUSSTL

Tucson

Wed 9/30

1:40 pm-8:36 pm

1 stop4h 56m

Lambert-St Louis

Mon 10/5

1:29 pm-9:10 pm

2 stops9h 41m

$388

TucsonSt. Louis

TUS Tucson - STL Lambert-St Louis

TUSSTL

Tucson

Wed 10/14

2:05 pm-10:10 pm

1 stop6h 05m

Lambert-St Louis

Sat 10/24

1:45 pm-7:35 pm

2 stops7h 50m

$393

TucsonSt. Louis

TUS Tucson - STL Lambert-St Louis

TUSSTL

Tucson

Sun 12/20

4:27 pm-11:55 pm

1 stop6h 28m

Lambert-St Louis

Mon 12/21

6:30 am-1:15 pm

1 stop7h 45m

$406

TucsonSt. Louis

TUS Tucson - STL Lambert-St Louis

TUSSTL

Tucson

Fri 10/9

7:08 am-9:23 pm

2 stops12h 15m

Lambert-St Louis

Tue 10/13

10:14 am-9:37 pm

2 stops13h 23m

$1,029

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 $476.
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 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 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
American AirlinesPriceFrom $265Free CancellationRating
7.1
12,042 reviews
Search American Airlines flights
SouthwestPriceFrom $266Free CancellationRating
8.0
4,195 reviews
Search Southwest flights
United AirlinesPriceFrom $286Free CancellationRating
7.4
10,177 reviews
Search United Airlines flights

  • Southwest Flights From Tucson to St. Louis

    Southwest flight deals from Tucson to St. Louis start from $266 round-trip. Over the 1 Southwest flight for this route in a normal week, average airfare is usually $476 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
Maryland Heights
St. Peters
Alton
Collinsville
Florissant
Hermann
O'Fallon
Clayton
Farmington
Fenton
Festus
Wentzville
Edwardsville
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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