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$134+ 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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — STL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Tucson to Lambert-St Louis are usually found in April or January, booked 78 days in advance, depart on a Tuesday or Monday and return on a Tuesday

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 June 12, 2025.

Round-trip from

$267
(Delta)

One-way from

$134
(American Airlines)

Popular in

March

Cheapest in

April

Average price

$406
From Tucson to Lambert-St Louis
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One-way flight from Tucson to Lambert-St Louis
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Highest demand for flights based on searches. 3% potential increase in price ($16 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Tucson to St. Louis

Cheapest flights from Tucson to St. Louis
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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/245:00 pmTUS - STL
1 stop5h 37mDelta
Tue 9/303:30 pmSTL - TUS
1 stop8h 24mDelta
Deal found 6/9$267
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/55:40 amTUS - STL
1 stop7h 20mSouthwest
Wed 8/1310:15 amSTL - TUS
2 stops8h 20mSouthwest
Deal found 6/10$272
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/301:43 pmTUS - STL
2 stops7h 31mAmerican Airlines
Tue 9/98:50 amSTL - TUS
2 stops7h 42mAmerican Airlines
Deal found 6/10$277
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Sun 7/67:30 pmTUS - STL
1 stop7h 24mUnited Airlines
Tue 7/226:15 amSTL - TUS
1 stop5h 56mUnited Airlines
Deal found 6/11$367
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1911:27 amTUS - STL
1 stop19h 45mFrontier
Wed 6/257:29 pmSTL - TUS
1 stop17h 13mFrontier
Deal found 6/11$432

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 June 12, 2025.
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 9/24

5:00 pm-12:37 am

1 stop5h 37m

Lambert-St Louis

Tue 9/30

3:30 pm-9:54 pm

1 stop8h 24m

$267

TucsonSt. Louis

TUS - STL

TUSSTL

Tucson

Tue 8/5

5:40 am-3:00 pm

1 stop7h 20m

Lambert-St Louis

Wed 8/13

10:15 am-4:35 pm

2 stops8h 20m

$272

TucsonSt. Louis

TUS - STL

TUSSTL

Tucson

Sat 8/30

1:43 pm-11:14 pm

2 stops7h 31m

Lambert-St Louis

Tue 9/9

8:50 am-2:32 pm

2 stops7h 42m

$277

TucsonSt. Louis

TUS - STL

TUSSTL

Tucson

Sun 7/6

7:30 pm-4:54 am

1 stop7h 24m

Lambert-St Louis

Tue 7/22

6:15 am-10:11 am

1 stop5h 56m

$367

TucsonSt. Louis

TUS - STL

TUSSTL

Tucson

Tue 7/1

3:33 pm-11:19 pm

1 stop5h 46m

$134

TucsonSt. Louis

TUS - STL

TUSSTL

Tucson

Sat 7/12

6:00 am-4:18 pm

1 stop8h 18m

$177

TucsonSt. Louis

TUS - STL

TUSSTL

Tucson

Sun 7/13

11:30 am-9:11 am

1 stop19h 41m

$186

TucsonSt. Louis

TUS - STL

TUSSTL

Tucson

Sun 7/13

6:00 am-7:45 pm

2 stops11h 45m

$234

TucsonSt. Louis

TUS - STL

TUSSTL

Tucson

Sat 7/12

10:55 am-6:53 pm

1 stop5h 58m

$244

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 June 9, 2025.

To ensure you get the cheapest price possible for a flight from Tucson to St. Louis, you should look to book at least 77 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, August is the cheapest month in which you can book a flight from Tucson to St. Louis (average of $311). Flying from Tucson to St. Louis in March is currently the most expensive (average of $356). 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.

What is the cheapest time of day to fly from TUS to STL?

Find hourly flight availability from Tucson to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

It’s optimal to fly from Tucson to St. Louis at noon. By choosing this option you can save up to 10% on the cost of your flight, compared to a flight in the afternoon.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 June 12, 2025.
Read reviews from past customers who have flown Southwest, Delta and United Airlines from Tucson to St. Louis. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,287 reviews
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,950 reviews
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,790 reviews
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Frontier
5.9
Fair
3,295 reviews
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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.

  • What are the cheapest airlines flying from Tucson to St. Louis round-trip?

    Our cheapest airline available from Tucson to St. Louis is Delta. Our recent data shows that you can find tickets from as low as $267 on this airline. Additional options worth looking into are Southwest and American Airlines, starting at $272 and $277 round-trip. Users have found that Delta is 33% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Tucson to St. Louis one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $134. United Airlines flights start at $177 while deals on Frontier start at $187 one-way.

  • Can I find deals for flights from Tucson to St. Louis that include hotel bookings?

    Yes. In addition to deals on Tucson to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Tucson to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Tucson to St. Louis.

  • Can I find deals for business class flights from Tucson to St. Louis?

    Yes. Cheapflights offers flight deals from Tucson to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Tucson to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Tucson to St. Louis (average of $311). Flying from Tucson to St. Louis in March is currently the most expensive (average of $356). 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.

See more FAQs

Traveling to a place near Tucson?

Book flights to Tucson if you plan to visit one of these locations
O'Fallon
Maryland Heights
Fairview Heights
Collinsville
Eureka
St. Peters
Glencoe
Festus
Alton
Farmington

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$266Average$458FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$275Average$394FlexibilityNo cancel feeOn-time71%
DeltaCheapest$289Average$339FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$308Average$386FlexibilityNo cancel feeOn-time63%

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