STL - TUS

$178 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
$355
Typical prices: $326-$486
American Airlines
Sat 1/20Tue 1/23
STL - TUS • 1 stop
Cheapest one-way
$178
Typical prices: $183-$428
American Airlines
Mon 11/19
STL - TUS • 1 stop
Nonstop flights
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
Cheapest • 24% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $364 (round-trip)
Shortest trip • 5h 30m (one-way)
Insights
Insights
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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

Wed, Oct 21 - Sat, Oct 24
American Airlines Logo
8:03 am - 11:11 amSTL  Lambert-St Louis-TUS Tucson
5h 08m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
6:00 am - 2:30 pmTUS  Tucson-STL Lambert-St Louis
6h 30m1 stop Dallas/Fort Worth
$355American Airlines
Thu, Dec 3 - Thu, Dec 10
American Airlines Logo
5:00 am - 9:50 amSTL  Lambert-St Louis-TUS Tucson
5h 50m1 stop Dallas/Fort Worth
American Airlines Logo
1:06 pm - 8:27 pmTUS  Tucson-STL Lambert-St Louis
6h 21m1 stop Dallas/Fort Worth
$355American Airlines
Tue, Oct 27 - Tue, Nov 3
Southwest Logo
12:45 pm - 3:45 pmSTL  Lambert-St Louis-TUS Tucson
5h 00m1 stop Denver Intl
Southwest Logo
4:25 pm - 10:05 pmTUS  Tucson-STL Lambert-St Louis
4h 40m1 stop Phoenix Sky Harbor Intl
$355Southwest
Thu, Feb 18 - Mon, Feb 22
American Airlines Logo
2:54 pm - 10:13 pmSTL  Lambert-St Louis-TUS Tucson
8h 19m1 stop Dallas/Fort Worth
American Airlines Logo
5:56 pm - 11:51 pmTUS  Tucson-STL Lambert-St Louis
4h 55m1 stop Phoenix Sky Harbor Intl
$355American Airlines
Thu, Dec 3 - Thu, Dec 10
Southwest Logo
5:25 pm - 10:25 pmSTL  Lambert-St Louis-TUS Tucson
6h 00m1 stop Denver Intl
Southwest Logo
6:05 am - 3:20 pmTUS  Tucson-STL Lambert-St Louis
8h 15m2 stops Las Vegas Harry Reid Intl Denver Intl
$360Southwest
Wed, Jan 20 - Sat, Jan 23
United Airlines Logo
9:13 am - 1:31 pmSTL  Lambert-St Louis-TUS Tucson
5h 18m1 stop Denver Intl
United Airlines Logo
6:50 am - 4:13 pmTUS  Tucson-STL Lambert-St Louis
8h 23m2 stops Denver Intl Chicago O'Hare Intl
$360United Airlines
Tue, Oct 27 - Tue, Nov 3
United Airlines Logo
1:08 pm - 8:34 pmSTL  Lambert-St Louis-TUS Tucson
9h 26m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
6:30 am - 12:38 pmTUS  Tucson-STL Lambert-St Louis
5h 08m1 stop Denver Intl
$360United Airlines
Mon, Nov 2 - Thu, Nov 12
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
$360Southwest
Tue, Dec 22 - Tue, Dec 29
Delta Logo
2:15 pm - 10:39 pmSTL  Lambert-St Louis-TUS Tucson
9h 24m1 stop Salt Lake City
Delta Logo
4:27 pm - 11:55 pmTUS  Tucson-STL Lambert-St Louis
6h 28m1 stop Atlanta Hartsfield-Jackson
$376Delta
Wed, Dec 23 - Wed, Dec 30
Delta Logo
3:48 pm - 11:06 pmSTL  Lambert-St Louis-TUS Tucson
8h 18m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:27 pm - 11:55 pmTUS  Tucson-STL Lambert-St Louis
6h 28m1 stop Atlanta Hartsfield-Jackson
$376Delta
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 $326 to $486. The lowest price found in the past 5 days was $355, 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, Thursday is the cheapest day of the week to fly from St. Louis to Tucson. It’s 4% cheaper than the average day, while Sunday is the most expensive, with prices 27% higher.

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

•October is the cheapest month to fly from St. Louis to Tucson at $289 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 100% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Key details for St. Louis to Tucson flights

Low season

August

Cheapest flight

$178
Beat the crowds with an average 53% 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 $326 to $486, with an average of $379 over the past 12 months. Anything below $326 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 $355 to $1,810. That means the highest observed fare was about 5x 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 $192, which is 29% 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
    • Budget
    • Sixt
    • 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) - 49% of one-stop connections
    • Denver Intl (DEN) - 25% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 19% 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 25% on flights from St. Louis to Tucson. Thursday is the cheapest departure day at $366 round-trip on average, while Sunday is the most expensive at $482, a difference of $116.

    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 Denver Intl (DEN) gives the shortest average 1-stop total travel time at 5h 30m, compared with 5h 32m via Dallas/Fort Worth (DFW) and 5h 36m via Phoenix Sky Harbor Intl (PHX).

  • 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 Thursday departure and avoid flying on Sunday. On this route, Thursday flights average $366, about $116 less than Sunday fares (24% savings) based on the last 12 months.
  • If you can choose when to travel, plan your St. Louis to Tucson trip for October. Fares historically average $289 round-trip in that month - typically $290 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
    • Baymont by Wyndham Tucson Airport
    • Country Inn & Suites by Radisson, Tucson Air, AZ

More options for your flight from St. Louis to Tucson

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