$174+ Cheap flights from St. Louis to Tucson (STL - TUS)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
STL — TUS
Jul 10 — Jul 171
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from St. Louis to Tucson with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Tucson
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to TucsonExplore the most affordable flight options available from St. Louis to Tucson. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 10, 2026.
Explore the most affordable flight options available from St. Louis to Tucson. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 10, 2026.
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:00 am
STL
- TUS
1 stop8h 35m
Southwest
Tue 10/274:35 pm
TUS
- STL
1 stop5h 10m
Southwest
Deal found 6/7![Southwest logo]()
$288
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:40 pm
STL
- TUS
1 stop5h 50m
United Airlines
Sun 9/61:29 pm
TUS
- STL
1 stop5h 17m
United Airlines
Deal found 6/9![United Airlines logo]()
$312
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/15:30 pm
STL
- TUS
1 stop6h 26m
Delta
Wed 11/41:40 pm
TUS
- STL
1 stop6h 09m
Delta
Deal found 6/9![Delta logo]()
$352
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/229:45 am
STL
- TUS
1 stop6h 00m
Southwest
Sat 9/510:40 am
TUS
- STL
2 stops6h 25m
Southwest
Deal found 6/7![Southwest logo]()
$353
This American Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:42 am
STL
- TUS
1 stop5h 02m
American Airlines
Sun 9/63:05 pm
TUS
- STL
2 stops6h 37m
American Airlines
Deal found 6/9![American Airlines logo]()
$355
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/13:45 pm
STL
- TUS
2 stops8h 10m
Southwest
Sun 9/67:35 am
TUS
- STL
2 stops6h 15m
Southwest
Deal found 6/9![Southwest logo]()
$360
This Booking.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:10 pm
STL
- TUS
1 stop20h 20m
Frontier
Sun 10/253:25 pm
TUS
- STL
1 stop25h 50m
Frontier
Deal found 6/8![Frontier logo]()
$361
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/153:58 pm
STL
- TUS
1 stop7h 51m
Delta
Tue 7/211:49 pm
TUS
- STL
1 stop6h 26m
Delta
Deal found 6/5![Delta logo]()
$367
Best flights from St. Louis to TucsonDiscover carefully curated flight deals from St. Louis to Tucson that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 10, 2026.
Discover carefully curated flight deals from St. Louis to Tucson that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 10, 2026.
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:00 am
STL
- TUS
1 stop8h 35m
Southwest
Tue 10/274:35 pm
TUS
- STL
1 stop5h 10m
Southwest
Deal found 6/7![Southwest logo]()
$288
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/153:58 pm
STL
- TUS
1 stop7h 51m
Delta
Tue 7/211:49 pm
TUS
- STL
1 stop6h 26m
Delta
Deal found 6/5![Delta logo]()
$367
This American Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/55:32 am
STL
- TUS
1 stop5h 06m
American Airlines
Tue 7/1410:16 am
TUS
- STL
2 stops7h 37m
American Airlines
Deal found 6/5![American Airlines logo]()
$424
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/141:29 pm
STL
- TUS
2 stops9h 41m
United Airlines
Wed 10/211:40 pm
TUS
- STL
1 stop4h 56m
United Airlines
Deal found 6/6![United Airlines logo]()
$450
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:30 pm
STL
- TUS
1 stop6h 26m
Delta
Wed 10/2112:40 pm
TUS
- STL
1 stop6h 09m
Delta
Deal found 6/6![Delta logo]()
$427
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:30 pm
STL
- TUS
1 stop7h 25m
Southwest
Sun 11/159:25 am
TUS
- STL
2 stops8h 10m
Southwest
Deal found 6/8![Southwest logo]()
$432
This American Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/55:32 am
STL
- TUS
1 stop5h 06m
American Airlines
Sat 7/115:45 am
TUS
- STL
1 stop6h 08m
American Airlines
Deal found 6/5![American Airlines logo]()
$447
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/176:40 pm
STL
- TUS
2 stops7h 05m
Southwest
Mon 7/202:25 pm
TUS
- STL
1 stop5h 10m
Southwest
Deal found 6/8![Southwest logo]()
$452
This Southwest deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/53:45 pm
STL
- TUS
2 stops9h 25m
Southwest
Tue 7/145:40 am
TUS
- STL
2 stops10h 05m
Southwest
Deal found 6/6![Southwest logo]()
$499
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/207:35 pm
STL
- TUS
1 stop5h 25m
Southwest
Wed 6/245:40 am
TUS
- STL
2 stops7h 30m
Southwest
Deal found 6/5![Southwest logo]()
$532
Last-minute flights from St. Louis to TucsonDiscover last-minute flight deals from St. Louis to Tucson. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Tucson. Data last updated June 10, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:16 pm
STL
- TUS
1 stop6h 26m
American Airlines
Sun 7/52:59 pm
TUS
- STL
1 stop6h 59m
American Airlines
Deal found 6/6![American Airlines logo]()
$417
This American Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/55:32 am
STL
- TUS
1 stop5h 06m
American Airlines
Tue 7/143:57 pm
TUS
- STL
1 stop6h 01m
American Airlines
Deal found 6/5![American Airlines logo]()
$407
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/153:58 pm
STL
- TUS
1 stop7h 51m
Delta
Tue 7/211:49 pm
TUS
- STL
1 stop6h 26m
Delta
Deal found 6/5![Delta logo]()
$367
This American Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:32 am
STL
- TUS
2 stops7h 35m
American Airlines
Tue 7/215:45 am
TUS
- STL
1 stop6h 08m
American Airlines
Deal found 6/9![American Airlines logo]()
$384
One-way flights from St. Louis to TucsonSearch for one-way flight options from St. Louis to Tucson. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
Search for one-way flight options from St. Louis to Tucson. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1911:20 am
STL
- TUS
1 stop7h 25m
Southwest
Deal found 6/8![Southwest logo]()
$174
This American Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/308:00 am
STL
- TUS
1 stop7h 19m
American Airlines
Deal found 6/5![American Airlines logo]()
$184
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:20 pm
STL
- TUS
2 stops7h 30m
Southwest
Deal found 6/9![Southwest logo]()
$189
This American Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:37 am
STL
- TUS
1 stop7h 26m
American Airlines
Deal found 6/7![American Airlines logo]()
$194
This American Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:32 am
STL
- TUS
2 stops7h 35m
American Airlines
Deal found 6/7![American Airlines logo]()
$199
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/265:32 am
STL
- TUS
1 stop5h 06m
American Airlines
Deal found 6/10![American Airlines logo]()
$224
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/225:20 pm
STL
- TUS
2 stops7h 30m
Southwest
Deal found 6/9![Southwest logo]()
$229
This American Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/55:32 am
STL
- TUS
1 stop5h 06m
American Airlines
Deal found 6/9![American Airlines logo]()
$234
Find flight deals from St. Louis to Tucson
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Tucson (TUS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $288 (Southwest) |
One-way from | $174 (Southwest) |
Popular in | February |
Cheapest in | October |
Average price | $486 |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 10, 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
Cheapest round-trip
St. LouisTucson
STL - TUS
STLTUS
Lambert-St Louis
Tue 10/20
7:00 am-1:35 pm
1 stop8h 35m
Tucson
Tue 10/27
4:35 pm-11:45 pm
1 stop5h 10m
$288
St. LouisTucson
STL - TUS
STLTUS
Lambert-St Louis
Wed 7/15
3:58 pm-9:49 pm
1 stop7h 51m
Tucson
Tue 7/21
1:49 pm-10:15 pm
1 stop6h 26m
$367
St. LouisTucson
STL - TUS
STLTUS
Lambert-St Louis
Sun 7/5
5:32 am-8:38 am
1 stop5h 06m
Tucson
Tue 7/14
10:16 am-7:53 pm
2 stops7h 37m
$424
St. LouisTucson
STL - TUS
STLTUS
Lambert-St Louis
Fri 10/16
5:30 pm-9:56 pm
1 stop6h 26m
Tucson
Wed 10/21
12:40 pm-8:49 pm
1 stop6h 09m
$427
St. LouisTucson
STL - TUS
STLTUS
Lambert-St Louis
Thu 11/12
12:30 pm-6:55 pm
1 stop7h 25m
Tucson
Sun 11/15
9:25 am-6:35 pm
2 stops8h 10m
$432
Quickest round-trip
St. LouisTucson
STL - TUS
STLTUS
Lambert-St Louis
Sun 7/5
5:32 am-8:38 am
1 stop5h 06m
Tucson
Sat 7/11
5:45 am-1:53 pm
1 stop6h 08m
$447
St. LouisTucson
STL - TUS
STLTUS
Lambert-St Louis
Wed 10/14
1:29 pm-9:10 pm
2 stops9h 41m
Tucson
Wed 10/21
1:40 pm-8:36 pm
1 stop4h 56m
$450
St. LouisTucson
STL - TUS
STLTUS
Lambert-St Louis
Fri 7/17
6:40 pm-11:45 pm
2 stops7h 05m
Tucson
Mon 7/20
2:25 pm-9:35 pm
1 stop5h 10m
$452
St. LouisTucson
STL - TUS
STLTUS
Lambert-St Louis
Sun 7/5
3:45 pm-11:10 pm
2 stops9h 25m
Tucson
Tue 7/14
5:40 am-5:45 pm
2 stops10h 05m
$499
St. LouisTucson
STL - TUS
STLTUS
Lambert-St Louis
Sat 6/20
7:35 pm-11:00 pm
1 stop5h 25m
Tucson
Wed 6/24
5:40 am-3:10 pm
2 stops7h 30m
$532
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from St. Louis to Tucson
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Tucson in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Tucson flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Tucson flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Tucson flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Tucson flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Tucson flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from St. Louis to Tucson
Have a flexible travel schedule? Discover the best time to fly to Tucson from St. Louis with our price prediction graph.
STL-TUS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to Tucson
How far ahead should I book a flight from St. Louis to Tucson?
To ensure you get the cheapest price possible for a flight from St. Louis to Tucson, you should look to book at least 16 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from St. Louis to Tucson?
Currently, October is the cheapest month in which you can book a flight from St. Louis to Tucson (average of $289). Flying from St. Louis to Tucson in February is currently the most expensive (average of $488). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from St. Louis to Tucson?
Reviews of airlines servicing Tucson
Get insights into the airlines that provide service to Tucson. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Tucson. Reviews last updated June 10, 2026.
Read through reviews of airlines operating flights from St. Louis to Tucson, such as Southwest,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Tucson. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Tucson?
Book flights to Tucson if you plan to visit one of these locationsSierra Vista
Bisbee
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from St. Louis
Popular flights
Tucson flight routes
Alternative routes for St. Louis to Tucson
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Tucson by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from St. Louis to Tucson by cabin class
Find flights from St. Louis to Tucson, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Tucson flights
Browse other St. Louis and Tucson flight options. Last updated on June 10, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on June 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Tucson
Explore flights to Tucson departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 10, 2026.
Top 3 airlines flying from St. Louis to Tucson
Discover the top 3 airlines that operate flights from St. Louis to Tucson. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$260 | Average$486 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$266 | Average$374 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$302 | Average$436 | FlexibilityNo cancel fee | On-time63% |