How long is the flight from Tucson to St. Louis?

Airlines like Delta and Frontier fly from Tucson to St. Louis in about 6h 48m. The time it takes to get you to your destination can typically vary by up to 17h 54m. The distance from Tucson to St. Louis is about 1241 mi. This flight may include one or multiple stops.

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 $134 on this airline. Additional options worth looking into are American Airlines and Southwest, starting at $239 and $266 round-trip. Users have found that Delta is 65% 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 $133. Delta flights start at $133 while deals on United Airlines start at $143 one-way.

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.

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).

What are the most popular airlines that fly from Tucson to St. Louis?

When booking a flight from Tucson to St. Louis, you may want to consider flying on American Airlines, Southwest or United Airlines as they are the most popular for this route.

Most accurate provider : When it comes to deals on Tucson-St. Louis flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Tucson-St. Louis flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Tucson-St. Louis flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Tucson-St. Louis flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Tucson-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$129+ Flights from Tucson to St. Louis

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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.

Cheapflights Tip: The best prices from Tucson to Lambert-St Louis are usually found in April or October, booked 43 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap 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 diciembre 12, 2025.

dom. 12/287:43 pmTUS - STL

1 stop24h 42mFrontier

sáb. 1/310:10 pmSTL - TUS

1 stop21h 48mFrontier

Deal found 12/11

$283

vie. 12/1212:30 pmTUS - STL

1 stop20h 44mFrontier

dom. 12/1410:44 pmSTL - TUS

1 stop20h 57mFrontier

Deal found 12/9

$362

lun. 12/295:30 pmTUS - STL

1 stop6h 15mSouthwest

lun. 1/56:30 pmSTL - TUS

1 stop6h 45mSouthwest

Deal found 12/10

$434

dom. 12/285:00 pmTUS - STL

1 stop5h 35mSouthwest

sáb. 1/37:30 pmSTL - TUS

1 stop6h 40mSouthwest

Deal found 12/10

$477

lun. 12/292:42 pmTUS - STL

1 stop6h 34mDelta

dom. 1/46:05 amSTL - TUS

1 stop8h 37mDelta

Deal found 12/10

$487

dom. 12/287:43 pmTUS - STL

1 stop24h 42mFrontier

dom. 1/410:10 pmSTL - TUS

2 stops14h 45mFrontier

Deal found 12/11

$514

vie. 12/2610:30 amTUS - STL

1 stop5h 40mAmerican Airlines

mar. 12/305:16 amSTL - TUS

1 stop5h 24mAmerican Airlines

Deal found 12/11

$518

lun. 12/292:40 pmTUS - STL

1 stop6h 42mUnited Airlines

vie. 1/22:45 pmSTL - TUS

1 stop8h 13mUnited Airlines

Deal found 12/10

$537

lun. 12/2912:50 pmTUS - STL

2 stops31h 35mFrontier

sáb. 1/310:10 pmSTL - TUS

1 stop21h 48mFrontier

Deal found 12/10

$538

Best flights from Tucson to St. Louis
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 diciembre 12, 2025.

mié. 1/147:00 amTUS - STL

1 stop6h 48mDelta

mar. 1/206:00 amSTL - TUS

1 stop7h 32mDelta

Deal found 12/10

$272

dom. 12/287:43 pmTUS - STL

1 stop24h 42mFrontier

sáb. 1/310:10 pmSTL - TUS

1 stop21h 48mFrontier

Deal found 12/11

$283

mié. 1/72:32 pmTUS - STL

1 stop5h 26mUnited Airlines

mié. 1/146:00 amSTL - TUS

1 stop6h 53mUnited Airlines

Deal found 12/10

$287

mar. 1/137:00 amTUS - STL

1 stop6h 48mDelta

sáb. 1/175:00 pmSTL - TUS

1 stop6h 27mDelta

Deal found 12/10

$272

mié. 1/147:00 amTUS - STL

1 stop6h 48mDelta

mié. 1/212:38 pmSTL - TUS

1 stop8h 49mDelta

Deal found 12/10

$287

mié. 1/287:00 amTUS - STL

1 stop8h 07mDelta

mié. 2/42:38 pmSTL - TUS

1 stop8h 59mDelta

Deal found 12/10

$287

jue. 1/151:42 pmTUS - STL

1 stop8h 57mDelta

dom. 1/186:00 amSTL - TUS

1 stop7h 32mDelta

Deal found 12/10

$296

vie. 1/162:38 pmTUS - STL

1 stop7h 47mDelta

sáb. 1/175:00 pmSTL - TUS

1 stop6h 27mDelta

Deal found 12/10

$319

vie. 1/161:42 pmTUS - STL

1 stop8h 57mDelta

mar. 1/206:00 amSTL - TUS

1 stop7h 32mDelta

Deal found 12/10

$319

mié. 1/148:00 amTUS - STL

1 stop5h 48mDelta

lun. 1/196:10 amSTL - TUS

1 stop8h 23mDelta

Deal found 12/10

$323

Last-minute flights from Tucson to St. Louis
Discover last-minute flight deals from Tucson to St. Louis. Data last updated diciembre 12, 2025 and is based on user searches.

dom. 12/287:43 pmTUS - STL

1 stop24h 42mFrontier

sáb. 1/310:10 pmSTL - TUS

1 stop21h 48mFrontier

Deal found 12/11

$283

mié. 1/710:41 amTUS - STL

2 stops9h 32mUnited Airlines

mié. 1/146:00 amSTL - TUS

1 stop6h 53mUnited Airlines

Deal found 12/10

$292

mar. 1/138:00 amTUS - STL

1 stop5h 48mDelta

mar. 1/202:38 pmSTL - TUS

1 stop8h 49mDelta

Deal found 12/10

$272

jue. 1/157:36 pmTUS - STL

2 stops21h 56mMultiple Airlines

dom. 1/1810:09 pmSTL - TUS

1 stop19h 33mMultiple Airlines

Deal found 12/10

$281

jue. 1/154:12 pmTUS - STL

1 stop6h 27mDelta

sáb. 1/175:00 pmSTL - TUS

1 stop6h 27mDelta

Deal found 12/10

$296

jue. 1/151:42 pmTUS - STL

1 stop5h 55mDelta

mié. 1/216:10 amSTL - TUS

1 stop8h 23mDelta

Deal found 12/10

$311

sáb. 1/172:40 pmTUS - STL

1 stop7h 45mDelta

mar. 1/209:59 amSTL - TUS

1 stop7h 23mDelta

Deal found 12/10

$257

sáb. 1/1712:24 pmTUS - STL

1 stop8h 11mDelta

lun. 1/193:45 pmSTL - TUS

1 stop8h 16mDelta

Deal found 12/10

$308

dom. 1/2512:12 pmTUS - STL

1 stop23h 38mFrontier

sáb. 1/313:46 pmSTL - TUS

1 stop20h 31mFrontier

Deal found 12/11

$129

mié. 1/287:00 amTUS - STL

1 stop8h 07mDelta

mié. 2/42:38 pmSTL - TUS

1 stop8h 59mDelta

Deal found 12/10

$287

mié. 1/286:25 amTUS - STL

2 stops7h 18mAmerican Airlines

mié. 2/42:38 pmSTL - TUS

1 stop8h 09mAmerican Airlines

Deal found 12/10

$300

One-way flights from Tucson to St. Louis
Search for one-way flight options from Tucson to St. Louis. Find affordable one-way fares based on user searches. Data last updated diciembre 12, 2025.

mié. 1/76:30 amTUS - STL

1 stop5h 46mUnited Airlines

Deal found 12/10

$144

dom. 12/287:43 pmTUS - STL

2 stops23h 24mFrontier

Deal found 12/11

$204

dom. 12/286:17 pmTUS - STL

1 stop4h 34mAmerican Airlines

Deal found 12/11

$244

mar. 2/38:33 amTUS - STL

3 stops30h 24mMultiple Airlines

Deal found 12/10

$327

lun. 12/291:01 pmTUS - STL

2 stops9h 43mAmerican Airlines

Deal found 12/11

$335

jue. 12/1812:00 pmTUS - STL

1 stop4h 40mSouthwest

Deal found 12/10

$394

jue. 12/1810:40 amTUS - STL

2 stops7h 38mUnited Airlines

Deal found 12/10

$404

jue. 12/187:28 pmTUS - STL

3 stops23h 19mMultiple Airlines

Deal found 12/10

$511

Find flight deals from Tucson to St. Louis

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$129 (Frontier)
Popular in	March
Cheapest in	April
Average price	$506

Provider with most accurate pricing for Tucson-Lambert-St Louis flight deals.

Search Deals

Provider most trusted by Cheapflights users for Tucson-Lambert-St Louis flights.

Search Deals

From Tucson to Lambert-St Louis

Search Deals

Highest demand for flights based on searches. 2% potential increase in price ($12 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

TucsonSt. Louis

TUS - STL

TUSSTL

Tucson

mié. 1/14

7:00 am-2:48 pm

1 stop6h 48m

Lambert-St Louis

mar. 1/20

6:00 am-12:32 pm

1 stop7h 32m

$272

TucsonSt. Louis

TUS - STL

TUSSTL

Tucson

mar. 1/13

7:00 am-2:48 pm

1 stop6h 48m

Lambert-St Louis

sáb. 1/17

5:00 pm-10:27 pm

1 stop6h 27m

$272

TucsonSt. Louis

TUS - STL

TUSSTL

Tucson

dom. 12/28

7:43 pm-9:25 pm

1 stop24h 42m

Lambert-St Louis

sáb. 1/3

10:10 pm-6:58 pm

1 stop21h 48m

$283

TucsonSt. Louis

TUS - STL

TUSSTL

Tucson

mié. 1/7

2:32 pm-8:58 pm

1 stop5h 26m

Lambert-St Louis

mié. 1/14

6:00 am-11:53 am

1 stop6h 53m

$287

TucsonSt. Louis

TUS - STL

TUSSTL

Tucson

mié. 1/14

7:00 am-2:48 pm

1 stop6h 48m

Lambert-St Louis

mié. 1/21

2:38 pm-10:27 pm

1 stop8h 49m

$287

TucsonSt. Louis

TUS - STL

TUSSTL

Tucson

mié. 1/28

7:00 am-4:07 pm

1 stop8h 07m

Lambert-St Louis

mié. 2/4

2:38 pm-10:37 pm

1 stop8h 59m

$287

TucsonSt. Louis

TUS - STL

TUSSTL

Tucson

jue. 1/15

1:42 pm-11:39 pm

1 stop8h 57m

Lambert-St Louis

dom. 1/18

6:00 am-12:32 pm

1 stop7h 32m

$296

TucsonSt. Louis

TUS - STL

TUSSTL

Tucson

vie. 1/16

2:38 pm-11:25 pm

1 stop7h 47m

Lambert-St Louis

sáb. 1/17

5:00 pm-10:27 pm

1 stop6h 27m

$319

TucsonSt. Louis

TUS - STL

TUSSTL

Tucson

vie. 1/16

1:42 pm-11:39 pm

1 stop8h 57m

Lambert-St Louis

mar. 1/20

6:00 am-12:32 pm

1 stop7h 32m

$319

TucsonSt. Louis

TUS - STL

TUSSTL

Tucson

mié. 1/14

8:00 am-2:48 pm

1 stop5h 48m

Lambert-St Louis

lun. 1/19

6:10 am-1:33 pm

1 stop8h 23m

$323

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 19 results

Compare providers for flights from Tucson to St. Louis

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 December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapfaremart	Price Accuracy-	Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Tucson-St. Louis flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Tucson-St. Louis flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Tucson-St. Louis flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Tucson-St. Louis flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Tucson-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Tucson to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Tucson with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Tucson to St. Louis

How far ahead should I book a flight from Tucson to St. Louis?

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 $362). 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?

It’s optimal to fly from Tucson to St. Louis at noon. By choosing this option you can save up to 30% on the cost of your flight, compared to a flight in the evening.

Reviews of airlines servicing St. Louis

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.

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Southwest

7.9

Good

4,253 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Delta

7.9

Good

8,008 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

United Airlines

7.4

Good

9,095 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

American Airlines

7.2

Good

11,050 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

How long is the flight from Tucson to St. Louis?
Airlines like Delta and Frontier fly from Tucson to St. Louis in about 6h 48m. The time it takes to get you to your destination can typically vary by up to 17h 54m. The distance from Tucson to St. Louis is about 1241 mi. This flight may include one or multiple stops.
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 $134 on this airline. Additional options worth looking into are American Airlines and Southwest, starting at $239 and $266 round-trip. Users have found that Delta is 65% 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 $133. Delta flights start at $133 while deals on United Airlines start at $143 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, 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 $362). 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

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Other flights to St. Louis

Top 4 airlines flying from Tucson to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$134	Average$326	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$239	Average$387	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$266	Average$390	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$266	Average$427	FlexibilityNo cancel fee	On-time69%

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$129+ Cheap flights from Tucson to St. Louis (TUS - STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/25. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Tucson to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Tucson to Lambert-St Louis are usually found in April or October, booked 43 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Tucson to St. Louis

Cheapest flights from Tucson to St. LouisExplore the most affordable flight options available from Tucson to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.

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 diciembre 12, 2025.

Find flight deals from Tucson to St. Louis

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Tucson to St. Louis that are best for you.

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 December.

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.

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?

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

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

Reviews of airlines servicing St. Louis

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.

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.

How long is the flight from Tucson to St. Louis?

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

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

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

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

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

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

Traveling to a place near St. Louis?

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Alternative routes for Tucson to St. Louis

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Top 4 airlines flying from Tucson to St. Louis

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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 diciembre 12, 2025.