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STL - TUS

$129 Find Cheap Flights from St. Louis to Tucson - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$257
Typical prices: $345-$479
American Airlines
Sun 2/18Thu 2/22
STL - TUS • 1 stop
Cheapest one-way
$129
Typical prices: $187-$409
American Airlines
Sun 11/25
STL - TUS • 1 stop
Nonstop flights
Not available
There are currently no direct flights between St. Louis and Tucson. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
December
Cheapest • 16% price drop
April
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Dallas Love Field (DAL)
Cheapest • Avg $364 (round-trip)
Dallas/Fort Worth (DFW)
Shortest trip • 5h 36m (one-way)
Insights
Insights
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Flight Deals
Booking Insights
Flight Deals

Cheap Flights from St. Louis to Tucson (STL-TUS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Tucson

Thu, Feb 18 - Mon, Feb 22
American Airlines Logo
6:58 pm - 12:02 amSTL  Lambert-St Louis-TUS Tucson
6h 04m1 stop Dallas/Fort Worth
American Airlines Logo
6:00 am - 1:39 pmTUS  Tucson-STL Lambert-St Louis
6h 39m1 stop Dallas/Fort Worth
$257American Airlines
Wed, Nov 4 - Wed, Nov 11
American Airlines Logo
10:21 am - 4:07 pmSTL  Lambert-St Louis-TUS Tucson
6h 46m1 stop Dallas/Fort Worth
American Airlines Logo
2:21 pm - 11:33 pmTUS  Tucson-STL Lambert-St Louis
8h 12m1 stop Dallas/Fort Worth
$257American Airlines
Mon, Nov 2 - Mon, Nov 9
Southwest Logo
7:20 pm - 11:45 pmSTL  Lambert-St Louis-TUS Tucson
5h 25m1 stop Phoenix Sky Harbor Intl
Southwest Logo
3:45 pm - 12:30 amTUS  Tucson-STL Lambert-St Louis
7h 45m1 stop Los Angeles
$257Southwest
Thu, Dec 10 - Thu, Dec 17
Southwest Logo
5:25 pm - 10:20 pmSTL  Lambert-St Louis-TUS Tucson
5h 55m1 stop Denver Intl
Southwest Logo
6:10 pm - 12:15 amTUS  Tucson-STL Lambert-St Louis
5h 05m1 stop Phoenix Sky Harbor Intl
$257Southwest
Wed, Jan 6 - Wed, Jan 13
United Airlines Logo
3:07 pm - 10:15 pmSTL  Lambert-St Louis-TUS Tucson
8h 08m1 stop Houston George Bush Intcntl
United Airlines Logo
12:37 pm - 8:38 pmTUS  Tucson-STL Lambert-St Louis
7h 01m1 stop Denver Intl
$257United Airlines
Mon, Nov 2 - Mon, Nov 9
Southwest Logo
4:00 pm - 11:05 pmSTL  Lambert-St Louis-TUS Tucson
8h 05m2 stops Dallas Love Field Denver Intl
Southwest Logo
6:10 pm - 12:20 amTUS  Tucson-STL Lambert-St Louis
5h 10m1 stop Phoenix Sky Harbor Intl
$262Southwest
Wed, Jan 27 - Thu, Feb 4
Delta Logo
9:00 am - 2:54 pmSTL  Lambert-St Louis-TUS Tucson
6h 54m1 stop Atlanta Hartsfield-Jackson
Delta Logo
2:30 pm - 11:18 pmTUS  Tucson-STL Lambert-St Louis
7h 48m1 stop Minneapolis St Paul
$275Delta
Fri, Nov 6 - Wed, Nov 11
American Airlines Logo
5:00 am - 9:56 amSTL  Lambert-St Louis-TUS Tucson
5h 56m1 stop Dallas/Fort Worth
American Airlines Logo
4:00 pm - 11:56 pmTUS  Tucson-STL Lambert-St Louis
6h 56m1 stop Phoenix Sky Harbor Intl
$292American Airlines
Thu, Dec 10 - Thu, Dec 17
United Airlines Logo
5:25 am - 1:35 pmSTL  Lambert-St Louis-TUS Tucson
9h 10m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
12:20 pm - 7:02 pmTUS  Tucson-STL Lambert-St Louis
5h 42m1 stop Chicago O'Hare Intl
$348United Airlines
Sun, Dec 20 - Sat, Dec 26
Delta Logo
3:48 pm - 11:06 pmSTL  Lambert-St Louis-TUS Tucson
8h 18m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:05 am - 2:44 pmTUS  Tucson-STL Lambert-St Louis
7h 39m1 stop Atlanta Hartsfield-Jackson
$416Delta
Booking Insights

Price, demand and travel trends for St. Louis to Tucson flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from St. Louis to Tucson?

Round-trip flights from St. Louis to Tucson typically range from $345 to $479. The lowest price found in the past 5 days was $257, on American Airlines.

What's the cheapest day of the week to fly from St. Louis to Tucson?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from St. Louis to Tucson. It’s 7% cheaper than the average day, while Sunday is the most expensive, with prices 14% higher.

What’s the cheapest month to fly from St. Louis to Tucson?

•December is the cheapest month to fly from St. Louis to Tucson at $335 round-trip.
•February ($579) and August ($504) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 72% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for St. Louis to Tucson flights

Low season

August

Cheapest flight

$129
Beat the crowds with an average 65% drop in travelers.
One-way flight from St. Louis to Tucson

When to book flights from St. Louis to Tucson

Are your dates flexible? Find out the best times to travel from St. Louis to Tucson based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your St. Louis to Tucson flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from St. Louis to Tucson?

    Two cabin classes are available on flights from St. Louis to Tucson:

    • Economy Class
    • First Class

  • How long is a flight from St. Louis to Tucson?

    A nonstop flight from St. Louis to Tucson takes 00m, covering 1,241 miles.

  • Do I need a passport to fly from St. Louis to Tucson?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a St. Louis to Tucson flight?

    Round-trip flights from St. Louis to Tucson range from $345 to $479, with an average of $397 over the past 12 months. Anything below $345 counts as a good deal.

  • Have flight prices from St. Louis to Tucson changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $257 to $1,889. That means the highest observed fare was about 7x higher than the lowest one.

  • How are flight prices from St. Louis to Tucson looking right now?

    One-way fares from St. Louis to Tucson are currently lower than usual. Average one-way flight prices are about $182, which is 31% below the typical average for this route.

  • What car rental options are available at Tucson Airport (TUS)?

    Tucson Airport (TUS) hosts 5 major car rental companies, with daily rates starting from around $22 for economy cars. Top options include:

    • Dollar
    • Sixt
    • Budget
    • Hertz
    • Economy Rent a Car

  • Which airports can I use when flying from St. Louis to Tucson?

    Flights from St. Louis to Tucson usually depart from Lambert-St Louis (STL) and arrive at Tucson (TUS).

  • Which airports do connecting flights from St. Louis to Tucson pass through?

    One-stop flights from St. Louis to Tucson most commonly connect through:

    • Dallas/Fort Worth (DFW) - 48% of one-stop connections
    • Denver Intl (DEN) - 22% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 21% of one-stop connections
    • Las Vegas Harry Reid Intl (LAS) - 4% of one-stop connections

  • Can I save money by using flexible dates for flights from St. Louis to Tucson?

    Yes. Flexible dates can save you up to 19% on flights from St. Louis to Tucson. Tuesday is the cheapest departure day at $371 round-trip on average, while Sunday is the most expensive at $456, a difference of $85.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from St. Louis to Tucson?

    Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time at 5h 36m, compared with 5h 37m via Phoenix Sky Harbor Intl (PHX) and 5h 38m via Denver Intl (DEN).

  • What is the time difference between St. Louis and Tucson?

    Tucson is 2 hours behind St. Louis (Mountain Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking St. Louis to Tucson flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Sunday. On this route, Tuesday flights average $371, about $85 less than Sunday fares (19% savings) based on the last 12 months.
  • If you can choose when to travel, plan your St. Louis to Tucson trip for December. Fares historically average $335 round-trip in that month - typically $244 less than the most expensive month, which is February (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Tucson Airport.

    • La Quinta Inn & Suites by Wyndham Tucson Airport
    • Country Inn & Suites by Radisson, Tucson Air, AZ
    • Baymont by Wyndham Tucson Airport

More options for your flight from St. Louis to Tucson

Complete your trip to Tucson with a hotel stay or car rental

Car rentals in Tucson
Hotels in Tucson
Vacations in Tucson