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
Fri 12/7Fri 12/14
STL - TUS • 1 stop
Cheapest one-way
$178
Typical prices: $183-$428
Southwest
Sun 10/7
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
October
Cheapest • 24% 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)
Denver Intl (DEN)
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

Tue, Sep 15 - Tue, Sep 22
American Airlines Logo
8:00 am - 1:34 pmSTL  Lambert-St Louis-TUS Tucson
7h 34m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
6:45 am - 1:44 pmTUS  Tucson-STL Lambert-St Louis
4h 59m1 stop Phoenix Sky Harbor Intl
$355American Airlines
Tue, Sep 8 - Fri, Sep 11
American Airlines Logo
5:42 am - 8:44 amSTL  Lambert-St Louis-TUS Tucson
5h 02m1 stop Dallas/Fort Worth
American Airlines Logo
11:52 am - 8:52 pmTUS  Tucson-STL Lambert-St Louis
7h 00m1 stop Phoenix Sky Harbor Intl
$355American Airlines
Tue, Jan 26 - Wed, Feb 3
Delta Logo
6:00 am - 12:14 pmSTL  Lambert-St Louis-TUS Tucson
7h 14m1 stop Atlanta Hartsfield-Jackson
Delta Logo
1:35 pm - 11:39 pmTUS  Tucson-STL Lambert-St Louis
9h 04m1 stop Atlanta Hartsfield-Jackson
$355Delta
Wed, Sep 9 - Sat, Sep 12
Delta Logo
7:05 am - 12:35 pmSTL  Lambert-St Louis-TUS Tucson
7h 30m1 stop Atlanta Hartsfield-Jackson
Delta Logo
1:45 pm - 11:42 pmTUS  Tucson-STL Lambert-St Louis
7h 57m1 stop Atlanta Hartsfield-Jackson
$355Delta
Tue, Jan 26 - Wed, Feb 3
American Airlines Logo
11:00 am - 6:27 pmSTL  Lambert-St Louis-TUS Tucson
8h 27m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
8:00 am - 1:39 pmTUS  Tucson-STL Lambert-St Louis
4h 39m1 stop Phoenix Sky Harbor Intl
$355American Airlines
Wed, Nov 11 - Tue, Nov 17
Southwest Logo
5:05 am - 10:20 amSTL  Lambert-St Louis-TUS Tucson
6h 15m1 stop Las Vegas Harry Reid 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
Sat, Oct 24 - Mon, Oct 26
Southwest Logo
1:45 pm - 7:30 pmSTL  Lambert-St Louis-TUS Tucson
7h 45m2 stops Omaha Eppley Airfield San Diego
Southwest Logo
5:15 pm - 1:15 amTUS  Tucson-STL Lambert-St Louis
6h 00m1 stop Phoenix Sky Harbor Intl
$360Southwest
Tue, Sep 15 - Tue, Sep 22
United Airlines Logo
1:36 pm - 5:03 pmSTL  Lambert-St Louis-TUS Tucson
5h 27m1 stop Denver Intl
United Airlines Logo
9:15 am - 10:00 pmTUS  Tucson-STL Lambert-St Louis
10h 45m2 stops Denver Intl Chicago O'Hare Intl
$360United Airlines
Tue, Jan 26 - Wed, Feb 3
United Airlines Logo
1:08 pm - 9:42 pmSTL  Lambert-St Louis-TUS Tucson
9h 34m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
10:35 am - 4:26 pmTUS  Tucson-STL Lambert-St Louis
4h 51m1 stop Denver Intl
$360United Airlines
Tue, Sep 15 - Fri, Sep 18
Delta Logo
2:30 pm - 9:17 pmSTL  Lambert-St Louis-TUS Tucson
8h 47m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:31 pm - 12:44 amTUS  Tucson-STL Lambert-St Louis
6h 13m1 stop Salt Lake City
$370Delta
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 from St. Louis to Tucson with more confidence.

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

Round-trip flights from St. Louis to Tucson start at $355. Prices are typical for this route right now, with typical round-trip fares ranging 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?

Thursday is the cheapest day of the week to fly from St. Louis to Tucson, it is 4% cheaper than the average day. Sunday is the most expensive day with flight prices 27% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is 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.

Find deals

Key details for St. Louis to Tucson flights

Low season

August

Cheapest flight

$178
Best time to beat the crowds but there is an average 33% increase in price.
Most popular time to fly with an average 10% increase in price.
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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).

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

    Only Economy Class is available on flights from St. Louis to Tucson.

  • 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

    Dallas/Fort Worth (DFW) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 25% on the St. Louis to Tucson route. 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 long is a flight from St. Louis to Tucson?

    A nonstop flight from St. Louis to Tucson takes 0h 00m, covering 1,241 miles.

  • What are the earliest and latest flights from St. Louis to Tucson?

    These are the earliest and latest flight times available from St. Louis to Tucson:

    • Earliest: departs at 12:00 am and lands at 12:00 am
    • Latest: departs at 12:00 am and lands at 12:00 am.

    The flight takes about 0h 00m.

  • 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.

  • 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 $1,641. 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 $251, which is 8% below the typical average for this route.

  • 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.

  • 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

  • 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.

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 can be flexible, aim for a Thursday departure instead of Sunday. On this route, Thursday flights average $366 - about $116 less than Sunday (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

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

Information on your arrival and departure airports

St. Louis (STL)
Tucson (TUS)