Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Tucson from $184

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Tucson departing on 5/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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.
Delta Logo
5:15 pm - 9:44 pm
STL
-
TUS
6h 29m
1 stop
Delta Logo
4:52 pm - 12:30 am
TUS
-
STL
5h 38m
1 stop
$347Delta
Tue, May 26 - Tue, Jun 2
American Airlines Logo
5:25 am - 8:43 am
STL
-
TUS
5h 18m
1 stop
American Airlines Logo
2:58 pm - 11:59 pm
TUS
-
STL
7h 01m
2 stops
$352American Airlines
Tue, May 26 - Tue, Jun 2
American Airlines Logo
5:29 am - 8:43 am
STL
-
TUS
5h 14m
1 stop
American Airlines Logo
3:55 pm - 11:59 pm
TUS
-
STL
6h 04m
1 stop
$357American Airlines
Thu, May 21 - Tue, May 26
American Airlines Logo
8:36 am - 12:31 pm
STL
-
TUS
5h 55m
1 stop
American Airlines Logo
3:54 pm - 11:59 pm
TUS
-
STL
6h 05m
1 stop
$367American Airlines
Thu, May 28 - Thu, Jun 4
American Airlines Logo
8:00 am - 1:19 pm
STL
-
TUS
7h 19m
1 stop
American Airlines Logo
5:50 am - 4:44 pm
TUS
-
STL
8h 54m
2 stops
$372American Airlines
Wed, Jul 1 - Sat, Jul 4
Delta Logo
5:20 pm - 9:44 pm
STL
-
TUS
6h 24m
1 stop
Delta Logo
1:45 pm - 10:15 pm
TUS
-
STL
6h 30m
1 stop
$387Delta
Fri, May 29 - Tue, Jul 28
Delta Logo
7:08 am - 12:19 pm
STL
-
TUS
7h 11m
1 stop
Delta Logo
4:30 pm - 12:43 am
TUS
-
STL
6h 13m
1 stop
$397Delta
Thu, Jun 11 - Tue, Jun 16
American Airlines Logo
5:00 pm - 10:57 pm
STL
-
TUS
7h 57m
1 stop
American Airlines Logo
10:16 am - 7:51 pm
TUS
-
STL
7h 35m
2 stops
$399American Airlines
Fri, May 29 - Tue, Jul 28
American Airlines Logo
5:29 am - 8:42 am
STL
-
TUS
5h 13m
1 stop
American Airlines Logo
2:58 pm - 11:59 pm
TUS
-
STL
7h 01m
2 stops
$402American Airlines
Thu, Jun 11 - Tue, Jun 16
American Airlines Logo
5:21 am - 8:43 am
STL
-
TUS
5h 22m
1 stop
American Airlines Logo
3:55 pm - 11:59 pm
TUS
-
STL
6h 04m
1 stop
$407American Airlines
Fri, May 22 - Tue, May 26

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Southwest flights from St. Louis to Tucson

Our best Southwest deals on St. Louis to Tucson flight tickets
Southwest
May 28
STL6:20 amLambert-St Louis
5h 15m
1 stop
TUS9:35 amTucson
Jun 4
TUS2:25 pmTucson
7h 30m
2 stops
STL11:55 pmLambert-St Louis
$417
Southwest
Jun 8
STL7:45 pmLambert-St Louis
5h 40m
1 stop
TUS11:25 pmTucson
Jun 15
TUS2:25 pmTucson
7h 30m
2 stops
STL11:55 pmLambert-St Louis
$422
Southwest
May 28
STL7:20 pmLambert-St Louis
6h 00m
1 stop
TUS11:20 pmTucson
May 30
TUS11:00 amTucson
7h 20m
2 stops
STL8:20 pmLambert-St Louis
$432

United Airlines flights from St. Louis to Tucson

Our best United Airlines deals on St. Louis to Tucson flight tickets
United Airlines
Aug 18
STL6:14 amLambert-St Louis
6h 01m
1 stop
TUS10:15 amTucson
Aug 19
TUS5:40 amTucson
5h 00m
1 stop
STL12:40 pmLambert-St Louis
$482
United Airlines
Aug 18
STL6:14 amLambert-St Louis
6h 01m
1 stop
TUS10:15 amTucson
Aug 19
TUS9:30 amTucson
9h 52m
2 stops
STL9:22 pmLambert-St Louis
$487
United Airlines
May 15
STL8:46 amLambert-St Louis
8h 18m
1 stop
TUS3:04 pmTucson
May 19
TUS6:30 amTucson
7h 31m
1 stop
STL4:01 pmLambert-St Louis
$617

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Tucson that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 3, 2026.
Use the filters below to find and compare flights from St. Louis to Tucson that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisTucson

STL - TUS

STLTUS

Lambert-St Louis

Tue 5/26

5:15 pm-9:44 pm

1 stop6h 29m

Tucson

Tue 6/2

4:52 pm-12:30 am

1 stop5h 38m

$347

St. LouisTucson

STL - TUS

STLTUS

Lambert-St Louis

Tue 5/26

5:25 am-8:43 am

1 stop5h 18m

Tucson

Tue 6/2

2:58 pm-11:59 pm

2 stops7h 01m

$352
Quickest round-trip

St. LouisTucson

STL - TUS

STLTUS

Lambert-St Louis

Thu 5/21

5:29 am-8:43 am

1 stop5h 14m

Tucson

Tue 5/26

3:55 pm-11:59 pm

1 stop6h 04m

$357

St. LouisTucson

STL - TUS

STLTUS

Lambert-St Louis

Thu 5/28

8:36 am-12:31 pm

1 stop5h 55m

Tucson

Thu 6/4

3:54 pm-11:59 pm

1 stop6h 05m

$367

St. LouisTucson

STL - TUS

STLTUS

Lambert-St Louis

Wed 7/1

8:00 am-1:19 pm

1 stop7h 19m

Tucson

Sat 7/4

5:50 am-4:44 pm

2 stops8h 54m

$372

St. LouisTucson

STL - TUS

STLTUS

Lambert-St Louis

Fri 5/29

5:20 pm-9:44 pm

1 stop6h 24m

Tucson

Tue 7/28

1:45 pm-10:15 pm

1 stop6h 30m

$387

St. LouisTucson

STL - TUS

STLTUS

Lambert-St Louis

Thu 6/11

7:08 am-12:19 pm

1 stop7h 11m

Tucson

Tue 6/16

4:30 pm-12:43 am

1 stop6h 13m

$397

St. LouisTucson

STL - TUS

STLTUS

Lambert-St Louis

Fri 5/29

5:00 pm-10:57 pm

1 stop7h 57m

Tucson

Tue 7/28

10:16 am-7:51 pm

2 stops7h 35m

$399

St. LouisTucson

STL - TUS

STLTUS

Lambert-St Louis

Thu 6/11

5:29 am-8:42 am

1 stop5h 13m

Tucson

Tue 6/16

2:58 pm-11:59 pm

2 stops7h 01m

$402

St. LouisTucson

STL - TUS

STLTUS

Lambert-St Louis

Fri 5/22

5:21 am-8:43 am

1 stop5h 22m

Tucson

Tue 5/26

3:55 pm-11:59 pm

1 stop6h 04m

$407

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

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 August to fly from St. Louis, when ticket prices are also cheap, with an average price of $317.

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 $380 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 $305 on momondo.

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

As of May 2026, prices for St. Louis to Tucson flights are approximately 20% cheaper 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

Fastest flight time

5h 24m

Direct flights

None
The fastest flight from St. Louis to Tucson takes 5h 24m
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 24m 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
9,681 reviews
Search United Airlines flights
American AirlinesPriceFrom $266Free CancellationRating
7.1
11,674 reviews
Search American Airlines flights
SouthwestPriceFrom $286Free CancellationRating
8.0
4,310 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.

An easier way to manage your Tucson trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 6/2
Tue 6/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States