$74+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — STL
Mar 5 — Mar 121
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
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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 February 3, 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 February 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Thu 2/191:20 pm
TUS
- STL
1 stop7h 06m
Frontier
Sat 2/216:41 pm
STL
- TUS
1 stop19h 42m
Frontier
Deal found 2/2![Frontier logo]()
$235
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/251:34 pm
TUS
- STL
1 stop9h 02m
Delta
Sat 2/282:22 pm
STL
- TUS
1 stop9h 08m
Delta
Deal found 2/3![Delta logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/19:20 pm
TUS
- STL
2 stops21h 32m
Frontier
Sat 3/712:14 pm
STL
- TUS
1 stop21h 00m
Frontier
Deal found 2/2![Frontier logo]()
$298
This American Airlines deal was found by Cheapflights users on 2/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/254:03 pm
TUS
- STL
1 stop6h 56m
American Airlines
Sun 3/16:50 pm
STL
- TUS
1 stop6h 29m
American Airlines
Deal found 2/3![American Airlines logo]()
$315
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2512:49 pm
TUS
- STL
1 stop8h 45m
Delta
Tue 4/286:20 am
STL
- TUS
1 stop8h 49m
Delta
Deal found 2/3![Delta logo]()
$323
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Thu 4/169:38 am
TUS
- STL
1 stop5h 18m
United Airlines
Tue 4/216:30 am
STL
- TUS
1 stop7h 05m
United Airlines
Deal found 2/1![United Airlines logo]()
$333
This Delta deal was found by Cheapflights users on 2/2. 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.
Mon 3/24:06 pm
TUS
- STL
1 stop6h 30m
Delta
Mon 3/96:12 pm
STL
- TUS
1 stop5h 43m
Delta
Deal found 2/2![Delta logo]()
$343
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Wed 7/221:32 pm
TUS
- STL
1 stop5h 10m
United Airlines
Tue 7/285:29 pm
STL
- TUS
1 stop6h 37m
United Airlines
Deal found 2/2![United Airlines logo]()
$347
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 February 3, 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 February 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Thu 2/191:20 pm
TUS
- STL
1 stop7h 06m
Frontier
Sat 2/216:41 pm
STL
- TUS
1 stop19h 42m
Frontier
Deal found 2/2![Frontier logo]()
$235
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/251:34 pm
TUS
- STL
1 stop9h 02m
Delta
Sat 2/282:22 pm
STL
- TUS
1 stop9h 08m
Delta
Deal found 2/3![Delta logo]()
$287
This American Airlines deal was found by Cheapflights users on 2/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/254:03 pm
TUS
- STL
1 stop6h 56m
American Airlines
Sun 3/16:50 pm
STL
- TUS
1 stop6h 29m
American Airlines
Deal found 2/3![American Airlines logo]()
$315
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Wed 7/221:32 pm
TUS
- STL
1 stop5h 10m
United Airlines
Tue 7/285:29 pm
STL
- TUS
1 stop6h 37m
United Airlines
Deal found 2/2![United Airlines logo]()
$347
This Southwest deal was found by Cheapflights users on 1/31. 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 5/122:15 pm
TUS
- STL
1 stop5h 30m
Southwest
Tue 5/263:55 pm
STL
- TUS
1 stop7h 20m
Southwest
Deal found 1/31![Southwest logo]()
$362
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/19:20 pm
TUS
- STL
2 stops21h 32m
Frontier
Sat 3/712:14 pm
STL
- TUS
1 stop21h 00m
Frontier
Deal found 2/2![Frontier logo]()
$298
This American Airlines deal was found by Cheapflights users on 2/2. 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 3/145:21 pm
TUS
- STL
1 stop4h 38m
American Airlines
Tue 3/177:00 am
STL
- TUS
1 stop5h 48m
American Airlines
Deal found 2/2![American Airlines logo]()
$355
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Wed 2/251:05 pm
TUS
- STL
1 stop8h 09m
United Airlines
Sat 2/289:55 am
STL
- TUS
2 stops12h 36m
United Airlines
Deal found 2/1![United Airlines logo]()
$372
This American Airlines deal was found by Cheapflights users on 2/3. 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 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 4/265:20 am
STL
- TUS
1 stop5h 39m
American Airlines
Deal found 2/3![American Airlines logo]()
$362
Last-minute flights from Tucson to St. LouisDiscover last-minute flight deals from Tucson to St. Louis. Data last updated February 3, 2026 and is based on user searches.
Discover last-minute flight deals from Tucson to St. Louis. Data last updated February 3, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Thu 2/191:20 pm
TUS
- STL
1 stop7h 06m
Frontier
Sat 2/216:41 pm
STL
- TUS
1 stop19h 42m
Frontier
Deal found 2/2![Frontier logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 2/229:20 pm
TUS
- STL
1 stop22h 53m
Frontier
Wed 2/258:17 pm
STL
- TUS
2 stops21h 40m
Frontier
Deal found 2/2![Frontier logo]()
$377
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/251:34 pm
TUS
- STL
1 stop9h 02m
Delta
Sat 2/282:22 pm
STL
- TUS
1 stop9h 08m
Delta
Deal found 2/3![Delta logo]()
$287
This American Airlines deal was found by Cheapflights users on 2/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/254:03 pm
TUS
- STL
1 stop6h 56m
American Airlines
Sun 3/16:50 pm
STL
- TUS
1 stop6h 29m
American Airlines
Deal found 2/3![American Airlines logo]()
$315
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Wed 2/251:05 pm
TUS
- STL
1 stop8h 09m
United Airlines
Sat 2/289:55 am
STL
- TUS
2 stops12h 36m
United Airlines
Deal found 2/1![United Airlines logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/19:20 pm
TUS
- STL
2 stops21h 32m
Frontier
Sat 3/712:14 pm
STL
- TUS
1 stop21h 00m
Frontier
Deal found 2/2![Frontier logo]()
$298
This Delta deal was found by Cheapflights users on 2/2. 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.
Mon 3/24:06 pm
TUS
- STL
1 stop6h 30m
Delta
Mon 3/96:12 pm
STL
- TUS
1 stop5h 43m
Delta
Deal found 2/2![Delta logo]()
$343
This American Airlines deal was found by Cheapflights users on 2/2. 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 3/145:21 pm
TUS
- STL
1 stop4h 38m
American Airlines
Tue 3/177:00 am
STL
- TUS
1 stop5h 48m
American Airlines
Deal found 2/2![American Airlines logo]()
$355
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 February 3, 2026.
Search for one-way flight options from Tucson to St. Louis. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
This Frontier deal was found by Cheapflights users on 2/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/261:20 pm
TUS
- STL
1 stop7h 06m
Frontier
Deal found 2/2![Frontier logo]()
$74
This Trip.com deal was found by Cheapflights users on 2/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/82:43 pm
TUS
- STL
1 stop17h 06m
Frontier
Deal found 2/2![Frontier logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 3/51:20 pm
TUS
- STL
1 stop20h 59m
Frontier
Deal found 1/31![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 3/61:04 pm
TUS
- STL
2 stops19h 45m
Frontier
Deal found 1/31![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/1511:49 am
TUS
- STL
2 stops20h 00m
Frontier
Deal found 2/2![Frontier logo]()
$135
This Delta deal was found by Cheapflights users on 2/2. 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 2/245:59 pm
TUS
- STL
1 stop5h 26m
Delta
Deal found 2/2![Delta logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 3/19:20 pm
TUS
- STL
2 stops21h 32m
Frontier
Deal found 2/1![Frontier logo]()
$161
This Delta deal was found by Cheapflights users on 2/2. 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 3/103:24 pm
TUS
- STL
1 stop6h 34m
Delta
Deal found 2/2![Delta logo]()
$162
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 February 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $235 (Kiwi.com) |
One-way from | $74 (Frontier) |
Popular in | March |
Cheapest in | February |
Average price | $316 |
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 February 3, 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
Thu 2/19
1:20 pm-9:26 pm
1 stop7h 06m
Lambert-St Louis
Sat 2/21
6:41 pm-1:23 pm
1 stop19h 42m
$235
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
Sun 3/1
9:20 pm-7:52 pm
2 stops21h 32m
Lambert-St Louis
Sat 3/7
12:14 pm-8:14 am
1 stop21h 00m
$298
TucsonSt. Louis
TUS - STL
TUSSTL
Tucson
Wed 2/25
4:03 pm-11:59 pm
1 stop6h 56m
Lambert-St Louis
Sun 3/1
6:50 pm-12:19 am
1 stop6h 29m
$315
TucsonSt. Louis
TUS - STL
TUSSTL
Tucson
Wed 7/22
1:32 pm-8:42 pm
1 stop5h 10m
Lambert-St Louis
Tue 7/28
5:29 pm-10:06 pm
1 stop6h 37m
$347
TucsonSt. Louis
TUS - STL
TUSSTL
Tucson
Sat 3/14
5:21 pm-11:59 pm
1 stop4h 38m
Lambert-St Louis
Tue 3/17
7:00 am-10:48 am
1 stop5h 48m
$355
TucsonSt. Louis
TUS - STL
TUSSTL
Tucson
Tue 5/12
2:15 pm-9:45 pm
1 stop5h 30m
Lambert-St Louis
Tue 5/26
3:55 pm-9:15 pm
1 stop7h 20m
$362
TucsonSt. Louis
TUS - STL
TUSSTL
Tucson
Thu 4/23
3:06 pm-11:59 pm
1 stop6h 53m
Lambert-St Louis
Sun 4/26
5:20 am-8:59 am
1 stop5h 39m
$362
TucsonSt. Louis
TUS - STL
TUSSTL
Tucson
Wed 2/25
1:05 pm-10:14 pm
1 stop8h 09m
Lambert-St Louis
Sat 2/28
9:55 am-9:31 pm
2 stops12h 36m
$372
TucsonSt. Louis
TUS - STL
TUSSTL
Tucson
Sun 3/8
2:43 pm-9:49 am
1 stop17h 06m
$77
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 February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| 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 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 January 30, 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 $368). 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 February 3, 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.
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
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
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 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 February 3, 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$407 | FlexibilityNo cancel fee | On-time63% |