$126+ 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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — TUS
May 26 — Jun 21
Round-trip
1 adult, Economy
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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
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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 April 26, 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 April 26, 2026.
This Delta deal was found by Cheapflights users on 4/22. 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 6/36:00 am
STL
- TUS
1 stop8h 15m
Delta
Mon 6/84:30 pm
TUS
- STL
1 stop6h 09m
Delta
Deal found 4/22![Delta logo]()
$280
This Southwest deal was found by Cheapflights users on 4/22. 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 6/31:45 pm
STL
- TUS
1 stop6h 00m
Southwest
Mon 6/82:25 pm
TUS
- STL
2 stops7h 45m
Southwest
Deal found 4/22![Southwest logo]()
$305
This American Airlines deal was found by Cheapflights users on 4/24. 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.
Mon 5/255:25 am
STL
- TUS
1 stop5h 18m
American Airlines
Wed 5/273:55 pm
TUS
- STL
1 stop6h 04m
American Airlines
Deal found 4/24![American Airlines logo]()
$357
This American Airlines deal was found by Cheapflights users on 4/25. 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 5/235:22 pm
STL
- TUS
1 stop7h 35m
American Airlines
Mon 5/252:58 pm
TUS
- STL
1 stop7h 00m
American Airlines
Deal found 4/25![American Airlines logo]()
$367
This American Airlines deal was found by Cheapflights users on 4/25. 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.
Mon 5/185:20 am
STL
- TUS
1 stop5h 39m
American Airlines
Mon 5/255:23 pm
TUS
- STL
1 stop4h 35m
American Airlines
Deal found 4/25![American Airlines logo]()
$392
This American Airlines deal was found by Cheapflights users on 4/24. 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.
Mon 5/185:20 am
STL
- TUS
1 stop5h 39m
American Airlines
Thu 5/213:55 pm
TUS
- STL
1 stop6h 04m
American Airlines
Deal found 4/24![American Airlines logo]()
$396
This Delta deal was found by Cheapflights users on 4/24. 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 9/183:42 pm
STL
- TUS
1 stop7h 55m
Delta
Wed 9/307:10 am
TUS
- STL
1 stop8h 50m
Delta
Deal found 4/24![Delta logo]()
$397
This Southwest deal was found by Cheapflights users on 4/24. 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 5/266:35 am
STL
- TUS
1 stop5h 50m
Southwest
Thu 5/287:30 am
TUS
- STL
2 stops14h 45m
Southwest
Deal found 4/24![Southwest logo]()
$398
This Delta deal was found by Cheapflights users on 4/21. 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.
Mon 5/256:00 am
STL
- TUS
1 stop8h 15m
Delta
Fri 5/294:52 pm
TUS
- STL
1 stop5h 38m
Delta
Deal found 4/21![Delta logo]()
$400
This American Airlines deal was found by Cheapflights users on 4/21. 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 5/92:37 pm
STL
- TUS
1 stop5h 14m
American Airlines
Tue 5/192:15 pm
TUS
- STL
1 stop7h 47m
American Airlines
Deal found 4/21![American Airlines logo]()
$413
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 April 26, 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 April 26, 2026.
This Delta deal was found by Cheapflights users on 4/21. 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.
Mon 5/256:00 am
STL
- TUS
1 stop8h 15m
Delta
Fri 5/294:52 pm
TUS
- STL
1 stop5h 38m
Delta
Deal found 4/21![Delta logo]()
$400
This Southwest deal was found by Cheapflights users on 4/21. 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 6/197:45 pm
STL
- TUS
1 stop5h 40m
Southwest
Mon 6/223:15 pm
TUS
- STL
1 stop5h 25m
Southwest
Deal found 4/21![Southwest logo]()
$447
This Delta deal was found by Cheapflights users on 4/23. 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.
Tue 7/143:40 pm
STL
- TUS
1 stop7h 59m
Delta
Sat 7/181:23 pm
TUS
- STL
1 stop8h 17m
Delta
Deal found 4/23![Delta logo]()
$417
This Southwest deal was found by Cheapflights users on 4/24. 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 7/165:30 pm
STL
- TUS
2 stops8h 10m
Southwest
Mon 7/203:15 pm
TUS
- STL
1 stop5h 25m
Southwest
Deal found 4/24![Southwest logo]()
$452
This Delta deal was found by Cheapflights users on 4/21. 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 7/56:00 am
STL
- TUS
1 stop8h 18m
Delta
Tue 7/144:31 pm
TUS
- STL
1 stop6h 06m
Delta
Deal found 4/21![Delta logo]()
$427
This Southwest deal was found by Cheapflights users on 4/21. 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.
Mon 5/256:20 am
STL
- TUS
2 stops7h 00m
Southwest
Fri 5/297:30 am
TUS
- STL
2 stops14h 45m
Southwest
Deal found 4/21![Southwest logo]()
$452
This Southwest deal was found by Cheapflights users on 4/22. 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 6/185:30 pm
STL
- TUS
2 stops8h 10m
Southwest
Sun 6/216:20 pm
TUS
- STL
1 stop4h 35m
Southwest
Deal found 4/22![Southwest logo]()
$472
This Southwest deal was found by Cheapflights users on 4/22. 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 5/228:25 am
STL
- TUS
2 stops8h 45m
Southwest
Tue 5/264:20 pm
TUS
- STL
1 stop4h 55m
Southwest
Deal found 4/22![Southwest logo]()
$472
Last-minute flights from St. Louis to TucsonDiscover last-minute flight deals from St. Louis to Tucson. Data last updated April 26, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Tucson. Data last updated April 26, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 4/21. 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 5/92:37 pm
STL
- TUS
1 stop5h 14m
American Airlines
Tue 5/192:15 pm
TUS
- STL
1 stop7h 47m
American Airlines
Deal found 4/21![American Airlines logo]()
$413
This American Airlines deal was found by Cheapflights users on 4/25. 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.
Mon 5/185:20 am
STL
- TUS
1 stop5h 39m
American Airlines
Mon 5/255:23 pm
TUS
- STL
1 stop4h 35m
American Airlines
Deal found 4/25![American Airlines logo]()
$392
This American Airlines deal was found by Cheapflights users on 4/24. 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.
Mon 5/185:20 am
STL
- TUS
1 stop5h 39m
American Airlines
Thu 5/213:55 pm
TUS
- STL
1 stop6h 04m
American Airlines
Deal found 4/24![American Airlines logo]()
$396
This American Airlines deal was found by Cheapflights users on 4/25. 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 5/227:20 pm
STL
- TUS
1 stop5h 52m
American Airlines
Mon 5/255:23 pm
TUS
- STL
1 stop4h 35m
American Airlines
Deal found 4/25![American Airlines logo]()
$417
This American Airlines deal was found by Cheapflights users on 4/22. 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 5/225:21 am
STL
- TUS
1 stop5h 22m
American Airlines
Tue 5/263:55 pm
TUS
- STL
1 stop6h 04m
American Airlines
Deal found 4/22![American Airlines logo]()
$423
This American Airlines deal was found by Cheapflights users on 4/25. 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 5/235:22 pm
STL
- TUS
1 stop7h 35m
American Airlines
Mon 5/252:58 pm
TUS
- STL
1 stop7h 00m
American Airlines
Deal found 4/25![American Airlines logo]()
$367
This American Airlines deal was found by Cheapflights users on 4/24. 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.
Mon 5/255:25 am
STL
- TUS
1 stop5h 18m
American Airlines
Wed 5/273:55 pm
TUS
- STL
1 stop6h 04m
American Airlines
Deal found 4/24![American Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 4/21. 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.
Mon 5/256:00 am
STL
- TUS
1 stop8h 15m
Delta
Fri 5/294:52 pm
TUS
- STL
1 stop5h 38m
Delta
Deal found 4/21![Delta logo]()
$400
This Southwest deal was found by Cheapflights users on 4/21. 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.
Mon 5/256:20 am
STL
- TUS
2 stops7h 00m
Southwest
Fri 5/293:55 pm
TUS
- STL
1 stop5h 55m
Southwest
Deal found 4/21![Southwest logo]()
$422
This Southwest deal was found by Cheapflights users on 4/24. 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 5/266:35 am
STL
- TUS
1 stop5h 50m
Southwest
Thu 5/287:30 am
TUS
- STL
2 stops14h 45m
Southwest
Deal found 4/24![Southwest logo]()
$398
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 April 26, 2026.
Search for one-way flight options from St. Louis to Tucson. Find affordable one-way fares based on user searches. Data last updated April 26, 2026.
This American Airlines deal was found by Cheapflights users on 4/23. 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 6/27:03 am
STL
- TUS
1 stop7h 28m
American Airlines
Deal found 4/23![American Airlines logo]()
$126
This Southwest deal was found by Cheapflights users on 4/23. 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 6/23:55 pm
STL
- TUS
2 stops7h 30m
Southwest
Deal found 4/23![Southwest logo]()
$132
This Delta deal was found by Cheapflights users on 4/21. 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 5/292:27 pm
STL
- TUS
1 stop9h 03m
Delta
Deal found 4/21![Delta logo]()
$177
This Southwest deal was found by Cheapflights users on 4/23. 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 6/37:10 am
STL
- TUS
2 stops10h 35m
Southwest
Deal found 4/23![Southwest logo]()
$199
This Delta deal was found by Cheapflights users on 4/23. 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 5/315:20 pm
STL
- TUS
1 stop6h 24m
Delta
Deal found 4/23![Delta logo]()
$224
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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.
Fri 5/295:33 pm
STL
- TUS
2 stops20h 33m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$259
This Delta deal was found by Cheapflights users on 4/21. 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.
Thu 5/72:27 pm
STL
- TUS
1 stop9h 03m
Delta
Deal found 4/21![Delta logo]()
$264
This United Airlines deal was found by Cheapflights users on 4/21. 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.
Thu 5/77:45 am
STL
- TUS
2 stops9h 19m
United Airlines
Deal found 4/21![United Airlines logo]()
$269
This Southwest deal was found by Cheapflights users on 4/26. 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 5/155:15 pm
STL
- TUS
2 stops7h 35m
Southwest
Deal found 4/26![Southwest logo]()
$279
This Southwest deal was found by Cheapflights users on 4/23. 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 5/317:35 am
STL
- TUS
2 stops7h 40m
Southwest
Deal found 4/23![Southwest logo]()
$295
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Fri 5/2911:25 am
STL
- TUS
2 stops10h 47m
United Airlines
Deal found 4/22![United Airlines logo]()
$300
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 April 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $280 (Delta) |
One-way from | $126 (American Airlines) |
Popular in | February |
Cheapest in | October |
Average price | $432 |
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 April 26, 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
Mon 5/25
6:00 am-12:15 pm
1 stop8h 15m
Tucson
Fri 5/29
4:52 pm-12:30 am
1 stop5h 38m
$400
St. LouisTucson
STL - TUS
STLTUS
Lambert-St Louis
Tue 7/14
3:40 pm-9:39 pm
1 stop7h 59m
Tucson
Sat 7/18
1:23 pm-11:40 pm
1 stop8h 17m
$417
St. LouisTucson
STL - TUS
STLTUS
Lambert-St Louis
Sun 7/5
6:00 am-12:18 pm
1 stop8h 18m
Tucson
Tue 7/14
4:31 pm-12:37 am
1 stop6h 06m
$427
Quickest round-trip
St. LouisTucson
STL - TUS
STLTUS
Lambert-St Louis
Fri 6/19
7:45 pm-11:25 pm
1 stop5h 40m
Tucson
Mon 6/22
3:15 pm-10:40 pm
1 stop5h 25m
$447
St. LouisTucson
STL - TUS
STLTUS
Lambert-St Louis
Thu 7/16
5:30 pm-11:40 pm
2 stops8h 10m
Tucson
Mon 7/20
3:15 pm-10:40 pm
1 stop5h 25m
$452
St. LouisTucson
STL - TUS
STLTUS
Lambert-St Louis
Mon 5/25
6:20 am-11:20 am
2 stops7h 00m
Tucson
Fri 5/29
7:30 am-12:15 am
2 stops14h 45m
$452
St. LouisTucson
STL - TUS
STLTUS
Lambert-St Louis
Thu 6/18
5:30 pm-11:40 pm
2 stops8h 10m
Tucson
Sun 6/21
6:20 pm-12:55 am
1 stop4h 35m
$472
St. LouisTucson
STL - TUS
STLTUS
Lambert-St Louis
Fri 5/22
8:25 am-3:10 pm
2 stops8h 45m
Tucson
Tue 5/26
4:20 pm-11:15 pm
1 stop4h 55m
$472
Cheapest one-way
Quickest one-way
St. LouisTucson
STL - TUS
STLTUS
Lambert-St Louis
Wed 6/3
5:25 am-8:43 am
1 stop5h 18m
$126
St. LouisTucson
STL - TUS
STLTUS
Lambert-St Louis
Tue 6/2
3:55 pm-9:25 pm
2 stops7h 30m
$132
Showing 1-10 of 18 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 April.
| 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 April 26, 2026.
Read through reviews of airlines operating flights from St. Louis to Tucson, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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.
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Top 4 airlines flying from St. Louis to Tucson
Discover the top 4 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 April 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$143 | Average$317 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$260 | Average$486 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$266 | Average$369 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$271 | Average$432 | FlexibilityNo cancel fee | On-time63% |