$90+ Cheap flights from Tucson to St. Louis (TUS - STL)
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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — STL
Feb 15 — Feb 221
1 adult, Economy
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Find cheap flights from Tucson to St. Louis 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 Tucson to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Tucson (TUS) to St. Louis (STL). 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 January 16, 2026.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $191 (Booking.com) |
One-way from | $90 (Priceline) |
Popular in | March |
Cheapest in | February |
Average price | $367 |
Find flight deals from Tucson to St. Louis
Cheapest flights from Tucson to St. LouisExplore the most affordable flight options available from Tucson to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2026.
Explore the most affordable flight options available from Tucson to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2026.
This Booking.com deal was found by Cheapflights users on 1/14. 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.
Thu 1/299:49 pm
TUS
- STL
1 stop21h 59m
Frontier
Sat 1/313:46 pm
STL
- TUS
1 stop20h 31m
Frontier
Deal found 1/14![Frontier logo]()
$191
This American Airlines deal was found by Cheapflights users on 1/13. 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 2/185:58 pm
TUS
- STL
1 stop5h 01m
American Airlines
Wed 2/256:18 pm
STL
- TUS
1 stop5h 49m
American Airlines
Deal found 1/13![American Airlines logo]()
$287
This Delta deal was found by Cheapflights users on 1/13. 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 2/185:59 pm
TUS
- STL
1 stop5h 26m
Delta
Sat 2/212:22 pm
STL
- TUS
1 stop9h 08m
Delta
Deal found 1/13![Delta logo]()
$307
This American Airlines deal was found by Cheapflights users on 1/14. 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 3/101:45 pm
TUS
- STL
2 stops7h 37m
American Airlines
Tue 3/179:35 am
STL
- TUS
1 stop7h 17m
American Airlines
Deal found 1/14![American Airlines logo]()
$312
This Southwest deal was found by Cheapflights users on 1/13. 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 2/181:35 pm
TUS
- STL
1 stop7h 45m
Southwest
Wed 2/2512:55 pm
STL
- TUS
2 stops8h 55m
Southwest
Deal found 1/13![Southwest logo]()
$316
This Expedia deal was found by Cheapflights users on 1/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/612:12 pm
TUS
- STL
1 stop25h 34m
Multiple Airlines
Mon 2/92:50 pm
STL
- TUS
1 stop10h 09m
Multiple Airlines
Deal found 1/15![Multiple Airlines logo]()
$318
This Booking.com deal was found by Cheapflights users on 1/14. 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.
Fri 1/161:32 pm
TUS
- STL
1 stop24h 16m
Frontier
Sat 1/243:46 pm
STL
- TUS
1 stop20h 31m
Frontier
Deal found 1/14![Frontier logo]()
$324
This American Airlines deal was found by Cheapflights users on 1/15. 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.
Sat 3/146:00 am
TUS
- STL
1 stop7h 57m
American Airlines
Tue 3/176:00 am
STL
- TUS
1 stop7h 46m
American Airlines
Deal found 1/15![American Airlines logo]()
$331
This Alaska Airlines deal was found by Cheapflights users on 1/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1011:03 am
TUS
- STL
2 stops24h 48m
Alaska Airlines
Tue 3/177:00 am
STL
- TUS
2 stops11h 20m
Alaska Airlines
Deal found 1/14![Alaska Airlines logo]()
$335
This Expedia deal was found by Cheapflights users on 1/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/612:12 pm
TUS
- STL
1 stop25h 34m
Multiple Airlines
Sun 2/82:50 pm
STL
- TUS
2 stops27h 38m
Multiple Airlines
Deal found 1/14![Multiple Airlines logo]()
$344
Cheapflights Fare Finder
Customize your flight search to find flights from Tucson to St. Louis 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 January 16, 2026.
Use the filters below to find and compare flights from Tucson to St. Louis that are best for you.
Fly from
Tucson
Fly to
St. Louis
Route
Depart
Return
Price
TucsonSt. Louis
TUS - STL
TUSSTL
Tucson
Wed 2/25
1:34 pm-11:36 pm
1 stop9h 02m
Lambert-St Louis
Sat 2/28
2:22 pm-10:30 pm
1 stop9h 08m
$287
TucsonSt. Louis
TUS - STL
TUSSTL
Tucson
Wed 2/18
5:58 pm-11:59 pm
1 stop5h 01m
Lambert-St Louis
Wed 2/25
6:18 pm-11:07 pm
1 stop5h 49m
$287
TucsonSt. Louis
TUS - STL
TUSSTL
Tucson
Wed 2/18
5:59 pm-12:25 am
1 stop5h 26m
Lambert-St Louis
Sat 2/21
2:22 pm-10:30 pm
1 stop9h 08m
$307
TucsonSt. Louis
TUS - STL
TUSSTL
Tucson
Wed 2/18
1:35 pm-10:20 pm
1 stop7h 45m
Lambert-St Louis
Wed 2/25
12:55 pm-8:50 pm
2 stops8h 55m
$316
TucsonSt. Louis
TUS - STL
TUSSTL
Tucson
Sat 3/14
6:00 am-3:57 pm
1 stop7h 57m
Lambert-St Louis
Tue 3/17
6:00 am-11:46 am
1 stop7h 46m
$331
TucsonSt. Louis
TUS - STL
TUSSTL
Tucson
Tue 3/10
11:03 am-1:51 pm
2 stops24h 48m
Lambert-St Louis
Tue 3/17
7:00 am-4:20 pm
2 stops11h 20m
$335
TucsonSt. Louis
TUS - STL
TUSSTL
Tucson
Fri 2/6
12:12 pm-6:44 pm
1 stop5h 32m
Lambert-St Louis
Mon 2/9
2:50 pm-5:28 pm
2 stops27h 38m
$339
TucsonSt. Louis
TUS - STL
TUSSTL
Tucson
Thu 5/7
3:20 pm-11:50 pm
1 stop6h 30m
Lambert-St Louis
Tue 5/12
1:45 pm-5:45 pm
1 stop6h 00m
$347
TucsonSt. Louis
TUS - STL
TUSSTL
Tucson
Fri 2/20
1:33 pm-9:26 pm
1 stop6h 53m
$100
TucsonSt. Louis
TUS - STL
TUSSTL
Tucson
Fri 1/30
12:12 pm-6:44 pm
1 stop5h 32m
$125
Showing 1-10 of 19 results
Compare providers for flights from Tucson to St. Louis
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 Tucson to St. Louis in January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Tucson-St. Louis flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Tucson-St. Louis flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Tucson-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Tucson-St. Louis flights, Cheapflights users trust eDreams the most. eDreams 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 Tucson-St. Louis 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 Tucson to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Tucson with our price prediction graph.
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 Tucson to St. Louis
How far ahead should I book a flight from Tucson to St. Louis?
Use this chart to determine the optimal time to book a round-trip flight from Tucson to St. Louis. Price data was last updated on January 9, 2026.
To ensure you get the cheapest price possible for a flight from Tucson to St. Louis, you should look to book at least 43 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 Tucson to St. Louis?
Currently, October is the cheapest month in which you can book a flight from Tucson to St. Louis (average of $111). Flying from Tucson to St. Louis in March is currently the most expensive (average of $365). 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.
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated January 16, 2026.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Tucson to St. Louis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Tucson to St. Louis. 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 St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus
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Alternative routes for Tucson to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Tucson to St. Louis
Discover the top 4 airlines that operate flights from Tucson to St. Louis. 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 January 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$134 | Average$326 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$239 | Average$384 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$264 | Average$406 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$266 | Average$419 | FlexibilityNo cancel fee | On-time69% |