$152+ 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — STL
Apr 4 — Apr 111
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
Cheapest
Best
Last-minute
One-way
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 March 5, 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 March 5, 2026.
This Frontier deal was found by Cheapflights users on 3/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2712:04 pm
TUS
- STL
1 stop21h 15m
Frontier
Thu 4/210:12 pm
STL
- TUS
1 stop11h 55m
Frontier
Deal found 3/3![Frontier logo]()
$244
This Delta deal was found by Cheapflights users on 3/2. 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.
Sat 4/257:10 am
TUS
- STL
1 stop5h 51m
Delta
Tue 4/282:20 pm
STL
- TUS
1 stop9h 11m
Delta
Deal found 3/2![Delta logo]()
$303
This American Airlines deal was found by Cheapflights users on 3/2. 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 4/253:06 pm
TUS
- STL
1 stop6h 53m
American Airlines
Tue 4/285:21 pm
STL
- TUS
1 stop8h 38m
American Airlines
Deal found 3/2![American Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 3/2. 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 3/245:04 pm
TUS
- STL
1 stop5h 17m
Delta
Wed 3/256:12 pm
STL
- TUS
1 stop5h 43m
Delta
Deal found 3/2![Delta logo]()
$323
This American Airlines deal was found by Cheapflights users on 2/28. 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.
Thu 5/73:06 pm
TUS
- STL
1 stop7h 06m
American Airlines
Tue 5/125:51 am
STL
- TUS
1 stop7h 57m
American Airlines
Deal found 2/28![American Airlines logo]()
$325
This American Airlines deal was found by Cheapflights users on 3/1. 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 4/142:15 pm
TUS
- STL
2 stops6h 44m
American Airlines
Thu 4/165:20 am
STL
- TUS
1 stop5h 39m
American Airlines
Deal found 3/1![American Airlines logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 3/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2012:04 pm
TUS
- STL
1 stop21h 15m
Frontier
Thu 3/268:06 pm
STL
- TUS
1 stop14h 08m
Frontier
Deal found 3/2![Frontier logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 3/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/31:23 pm
TUS
- STL
2 stops18h 25m
Frontier
Sun 4/510:12 pm
STL
- TUS
1 stop11h 55m
Frontier
Deal found 3/2![Frontier logo]()
$347
This Travelocity deal was found by Cheapflights users on 2/28. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/27:46 am
TUS
- STL
1 stop14h 13m
Multiple Airlines
Sun 4/510:12 pm
STL
- TUS
1 stop11h 55m
Multiple Airlines
Deal found 2/28![Multiple Airlines logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 3/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2211:49 am
TUS
- STL
2 stops44h 43m
Frontier
Thu 3/268:06 pm
STL
- TUS
1 stop14h 08m
Frontier
Deal found 3/2![Frontier logo]()
$357
This United Airlines deal was found by Cheapflights users on 3/2. 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 4/179:38 am
TUS
- STL
2 stops9h 35m
United Airlines
Tue 4/218:54 am
STL
- TUS
1 stop5h 33m
United Airlines
Deal found 3/2![United Airlines logo]()
$360
Best flights from Tucson to St. LouisDiscover carefully curated flight deals from Tucson to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 5, 2026.
Discover carefully curated flight deals from Tucson to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 5, 2026.
This Delta deal was found by Cheapflights users on 3/1. 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.
Sat 4/257:10 am
TUS
- STL
1 stop5h 51m
Delta
Tue 4/286:20 am
STL
- TUS
1 stop8h 51m
Delta
Deal found 3/1![Delta logo]()
$303
This United Airlines deal was found by Cheapflights users on 3/1. 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.
Sat 4/257:10 pm
TUS
- STL
1 stop8h 40m
United Airlines
Tue 4/2811:15 am
STL
- TUS
2 stops12h 07m
United Airlines
Deal found 3/1![United Airlines logo]()
$388
This American Airlines deal was found by Cheapflights users on 3/4. 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.
Thu 4/233:06 pm
TUS
- STL
1 stop6h 53m
American Airlines
Sun 4/265:21 pm
STL
- TUS
1 stop8h 38m
American Airlines
Deal found 3/4![American Airlines logo]()
$397
This Southwest deal was found by Cheapflights users on 2/28. 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 5/85:35 am
TUS
- STL
2 stops8h 15m
Southwest
Sat 5/162:05 pm
STL
- TUS
1 stop10h 20m
Southwest
Deal found 2/28![Southwest logo]()
$406
This Southwest deal was found by Cheapflights users on 3/2. 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 4/34:40 pm
TUS
- STL
1 stop6h 25m
Southwest
Sun 4/57:10 pm
STL
- TUS
1 stop7h 05m
Southwest
Deal found 3/2![Southwest logo]()
$407
This Southwest deal was found by Cheapflights users on 3/2. 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 3/274:40 pm
TUS
- STL
1 stop6h 25m
Southwest
Mon 3/306:40 pm
STL
- TUS
2 stops6h 55m
Southwest
Deal found 3/2![Southwest logo]()
$448
This Southwest deal was found by Cheapflights users on 3/4. 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 5/153:20 pm
TUS
- STL
1 stop6h 30m
Southwest
Sun 5/175:25 am
STL
- TUS
1 stop10h 25m
Southwest
Deal found 3/4![Southwest logo]()
$452
This Southwest deal was found by Cheapflights users on 2/28. 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 5/207:50 am
TUS
- STL
2 stops7h 50m
Southwest
Tue 5/265:30 am
STL
- TUS
2 stops10h 10m
Southwest
Deal found 2/28![Southwest logo]()
$457
This Southwest deal was found by Cheapflights users on 3/3. 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 6/112:25 pm
TUS
- STL
2 stops8h 15m
Southwest
Mon 6/155:35 am
STL
- TUS
1 stop5h 25m
Southwest
Deal found 3/3![Southwest logo]()
$461
Last-minute flights from Tucson to St. LouisDiscover last-minute flight deals from Tucson to St. Louis. Data last updated March 5, 2026 and is based on user searches.
Discover last-minute flight deals from Tucson to St. Louis. Data last updated March 5, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2012:04 pm
TUS
- STL
1 stop21h 15m
Frontier
Thu 3/268:06 pm
STL
- TUS
1 stop14h 08m
Frontier
Deal found 3/2![Frontier logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 3/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2211:49 am
TUS
- STL
2 stops44h 43m
Frontier
Thu 3/268:06 pm
STL
- TUS
1 stop14h 08m
Frontier
Deal found 3/2![Frontier logo]()
$357
This Delta deal was found by Cheapflights users on 3/2. 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 3/245:04 pm
TUS
- STL
1 stop5h 17m
Delta
Wed 3/256:12 pm
STL
- TUS
1 stop5h 43m
Delta
Deal found 3/2![Delta logo]()
$323
This Delta deal was found by Cheapflights users on 3/1. 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 3/263:24 pm
TUS
- STL
1 stop6h 34m
Delta
Tue 4/286:20 am
STL
- TUS
1 stop8h 51m
Delta
Deal found 3/1![Delta logo]()
$325
This Frontier deal was found by Cheapflights users on 3/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2712:04 pm
TUS
- STL
1 stop21h 15m
Frontier
Thu 4/210:12 pm
STL
- TUS
1 stop11h 55m
Frontier
Deal found 3/3![Frontier logo]()
$244
This Travelocity deal was found by Cheapflights users on 2/28. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/27:46 am
TUS
- STL
1 stop14h 13m
Multiple Airlines
Sun 4/510:12 pm
STL
- TUS
1 stop11h 55m
Multiple Airlines
Deal found 2/28![Multiple Airlines logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 3/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/31:23 pm
TUS
- STL
2 stops18h 25m
Frontier
Sun 4/510:12 pm
STL
- TUS
1 stop11h 55m
Frontier
Deal found 3/2![Frontier logo]()
$347
This American Airlines deal was found by Cheapflights users on 3/1. 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 4/142:15 pm
TUS
- STL
2 stops6h 44m
American Airlines
Thu 4/165:20 am
STL
- TUS
1 stop5h 39m
American Airlines
Deal found 3/1![American Airlines logo]()
$330
This United Airlines deal was found by Cheapflights users on 3/2. 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 4/179:38 am
TUS
- STL
2 stops9h 35m
United Airlines
Tue 4/218:54 am
STL
- TUS
1 stop5h 33m
United Airlines
Deal found 3/2![United Airlines logo]()
$360
This Delta deal was found by Cheapflights users on 3/2. 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.
Sat 4/257:10 am
TUS
- STL
1 stop5h 51m
Delta
Tue 4/282:20 pm
STL
- TUS
1 stop9h 11m
Delta
Deal found 3/2![Delta logo]()
$303
This American Airlines deal was found by Cheapflights users on 3/2. 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 4/253:06 pm
TUS
- STL
1 stop6h 53m
American Airlines
Tue 4/285:21 pm
STL
- TUS
1 stop8h 38m
American Airlines
Deal found 3/2![American Airlines logo]()
$317
One-way flights from Tucson to St. LouisSearch for one-way flight options from Tucson to St. Louis. Find affordable one-way fares based on user searches. Data last updated March 5, 2026.
Search for one-way flight options from Tucson to St. Louis. Find affordable one-way fares based on user searches. Data last updated March 5, 2026.
This Delta deal was found by Cheapflights users on 3/2. 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 4/17:10 am
TUS
- STL
1 stop7h 57m
Delta
Deal found 3/2![Delta logo]()
$152
This Southwest deal was found by Cheapflights users on 3/2. 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 4/111:25 am
TUS
- STL
2 stops8h 00m
Southwest
Deal found 3/2![Southwest logo]()
$157
This American Airlines deal was found by Cheapflights users on 3/2. 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.
Thu 4/24:53 pm
TUS
- STL
1 stop5h 06m
American Airlines
Deal found 3/2![American Airlines logo]()
$174
This Southwest deal was found by Cheapflights users on 3/4. 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 4/237:30 am
TUS
- STL
2 stops14h 45m
Southwest
Deal found 3/4![Southwest logo]()
$185
This Southwest deal was found by Cheapflights users on 3/1. 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 4/268:30 pm
TUS
- STL
1 stop12h 05m
Southwest
Deal found 3/1![Southwest logo]()
$209
This Southwest deal was found by Cheapflights users on 3/2. 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 4/21:35 pm
TUS
- STL
2 stops8h 10m
Southwest
Deal found 3/2![Southwest logo]()
$249
This American Airlines deal was found by Cheapflights users on 3/2. 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 4/34:53 pm
TUS
- STL
1 stop5h 06m
American Airlines
Deal found 3/2![American Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 3/3. 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 3/104:43 pm
TUS
- STL
1 stop4h 51m
United Airlines
Deal found 3/3![United Airlines logo]()
$399
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3012:43 pm
TUS
- STL
3 stops40h 07m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$466
This Kiwi.com deal was found by Cheapflights users on 3/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/267:50 am
TUS
- STL
3 stops24h 44m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$480
Find 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 March 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $244 (Frontier) |
One-way from | $152 (Delta) |
Popular in | March |
Cheapest in | February |
Average price | $594 |
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 March 5, 2026.
Use the filters below to find and compare flights from Tucson to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
TucsonSt. Louis
TUS - STL
TUSSTL
Tucson
Sat 4/25
7:10 am-3:01 pm
1 stop5h 51m
Lambert-St Louis
Tue 4/28
6:20 am-1:11 pm
1 stop8h 51m
$303
TucsonSt. Louis
TUS - STL
TUSSTL
Tucson
Sat 4/25
7:10 pm-5:50 am
1 stop8h 40m
Lambert-St Louis
Tue 4/28
11:15 am-9:22 pm
2 stops12h 07m
$388
TucsonSt. Louis
TUS - STL
TUSSTL
Tucson
Thu 4/23
3:06 pm-11:59 pm
1 stop6h 53m
Lambert-St Louis
Sun 4/26
5:21 pm-11:59 pm
1 stop8h 38m
$397
TucsonSt. Louis
TUS - STL
TUSSTL
Tucson
Fri 5/8
5:35 am-3:50 pm
2 stops8h 15m
Lambert-St Louis
Sat 5/16
2:05 pm-10:25 pm
1 stop10h 20m
$406
TucsonSt. Louis
TUS - STL
TUSSTL
Tucson
Fri 4/3
4:40 pm-1:05 am
1 stop6h 25m
Lambert-St Louis
Sun 4/5
7:10 pm-12:15 am
1 stop7h 05m
$407
TucsonSt. Louis
TUS - STL
TUSSTL
Tucson
Fri 3/27
4:40 pm-1:05 am
1 stop6h 25m
Lambert-St Louis
Mon 3/30
6:40 pm-11:35 pm
2 stops6h 55m
$448
TucsonSt. Louis
TUS - STL
TUSSTL
Tucson
Fri 5/15
3:20 pm-11:50 pm
1 stop6h 30m
Lambert-St Louis
Sun 5/17
5:25 am-1:50 pm
1 stop10h 25m
$452
TucsonSt. Louis
TUS - STL
TUSSTL
Tucson
Wed 5/20
7:50 am-5:40 pm
2 stops7h 50m
Lambert-St Louis
Tue 5/26
5:30 am-1:40 pm
2 stops10h 10m
$457
TucsonSt. Louis
TUS - STL
TUSSTL
Tucson
Thu 6/11
2:25 pm-12:40 am
2 stops8h 15m
Lambert-St Louis
Mon 6/15
5:35 am-9:00 am
1 stop5h 25m
$461
TucsonSt. Louis
TUS - STL
TUSSTL
Tucson
Wed 4/1
11:25 am-9:25 pm
2 stops8h 00m
$157
Showing 1-10 of 19 resultsSorted by cheapest first
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 March.
| 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 Tucson-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Tucson-St. Louis flight deals on Cheapflights vs. FlightHub >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 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 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.
TUS-STL
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 February 27, 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 $377). 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 March 5, 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.
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
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
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus
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 Tucson
Popular flights
St. Louis flight routes
Alternative routes for Tucson to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to St. Louis by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Tucson to St. Louis by cabin class
Find flights from Tucson to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Tucson and St. Louis flights
Browse other Tucson and St. Louis flight options. Last updated on March 5, 2026.
Other flights from Tucson
Browse through other flights departing from Tucson. Flights are based on user searches made on Cheapflights and were last updated on March 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 5, 2026.
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 March 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$134 | Average$346 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$214 | Average$384 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$256 | Average$415 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$264 | Average$406 | FlexibilityNo cancel fee | On-time63% |