STL - TUS

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

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Tucson departing on 12/31. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$257
Typical prices: $288-$382
United Airlines
Thu 1/7Sat 1/16
STL - TUS • 1 stop
Cheapest one-way
$129
Typical prices: $145-$272
Delta
Thu 12/31
STL - TUS • 1 stop
Nonstop flights
Not available
There are currently no direct flights between St. Louis and Tucson. You'll need at least 1 connection.
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Top layover airports
Dallas (DAL)
Cheapest • Avg $364 (round-trip)
Dallas (DFW)
Shortest trip • 5h 32m (one-way)
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When to book
4 weeks
in advance
Our data shows that travelers who book at least 4 weeks in advance save around 40% compared to booking last minute.
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When to travel
October
Cheapest • 31% price drop
March
Most popular
Good to know
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We hope you love your trip to Tucson!
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Booking Insights
Flight Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Tucson that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

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

Thu, Jan 7 - Sat, Jan 16
United Airlines Logo
4:30 pm - 9:42 pmSTL  Lambert-St Louis-TUS Tucson
6h 12m1 stop Denver Intl
United Airlines Logo
1:30 pm - 8:59 pmTUS  Tucson-STL Lambert-St Louis
6h 29m1 stop Denver Intl
$257United Airlines
Thu, Oct 29 - Mon, Nov 2
American Airlines Logo
8:03 am - 11:11 amSTL  Lambert-St Louis-TUS Tucson
5h 08m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
4:07 pm - 11:56 pmTUS  Tucson-STL Lambert-St Louis
6h 49m1 stop Phoenix Sky Harbor Intl
$257American Airlines
Thu, Nov 5 - Sat, Nov 7
Southwest Logo
5:05 am - 1:20 pmSTL  Lambert-St Louis-TUS Tucson
9h 15m1 stop Los Angeles Los Angeles
Southwest Logo
11:30 am - 6:15 pmTUS  Tucson-STL Lambert-St Louis
5h 45m1 stop Denver Intl
$257Southwest
Tue, Sep 15 - Wed, Sep 23
American Airlines Logo
5:43 am - 11:00 amSTL  Lambert-St Louis-TUS Tucson
7h 17m1 stop Dallas/Fort Worth
American Airlines Logo
8:00 am - 6:04 pmTUS  Tucson-STL Lambert-St Louis
8h 04m1 stop Dallas/Fort Worth
$257American Airlines
Thu, Sep 10 - Wed, Sep 16
American Airlines Logo
3:34 pm - 8:35 pmSTL  Lambert-St Louis-TUS Tucson
7h 01m1 stop Dallas/Fort Worth
American Airlines Logo
8:00 am - 6:04 pmTUS  Tucson-STL Lambert-St Louis
8h 04m1 stop Dallas/Fort Worth
$257American Airlines
Tue, Sep 15 - Wed, Sep 23
Southwest Logo
2:45 pm - 8:40 pmSTL  Lambert-St Louis-TUS Tucson
7h 55m2 stops Dallas Love Field Phoenix Sky Harbor Intl
Southwest Logo
4:00 pm - 10:40 pmTUS  Tucson-STL Lambert-St Louis
4h 40m1 stop Phoenix Sky Harbor Intl
$262Southwest
Wed, Sep 9 - Sat, Sep 12
United Airlines Logo
9:00 am - 12:27 pmSTL  Lambert-St Louis-TUS Tucson
5h 27m1 stop Denver Intl
United Airlines Logo
11:11 am - 10:59 pmTUS  Tucson-STL Lambert-St Louis
9h 48m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
$262United Airlines
Wed, Sep 9 - Sat, Sep 12
United Airlines Logo
12:59 pm - 8:35 pmSTL  Lambert-St Louis-TUS Tucson
9h 36m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
6:30 am - 2:15 pmTUS  Tucson-STL Lambert-St Louis
5h 45m1 stop Houston George Bush Intcntl
$286United Airlines
Tue, Sep 1 - Sun, Sep 6
Delta Logo
5:00 pm - 9:46 pmSTL  Lambert-St Louis-TUS Tucson
6h 46m1 stop Salt Lake City
Delta Logo
6:00 am - 2:33 pmTUS  Tucson-STL Lambert-St Louis
6h 33m1 stop Atlanta Hartsfield-Jackson
$330Delta
Tue, Sep 1 - Sun, Sep 6
Delta Logo
5:00 pm - 9:46 pmSTL  Lambert-St Louis-TUS Tucson
6h 46m1 stop Salt Lake City
Delta Logo
6:00 am - 2:33 pmTUS  Tucson-STL Lambert-St Louis
6h 33m1 stop Atlanta Hartsfield-Jackson
$348Delta
Booking Insights

KAYAK's insights & trends for St. Louis to Tucson flights

Get data-powered insights and trends into flights from St. Louis to Tucson to help you find the cheapest flights, the best time to fly and much more.

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

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from St. Louis to Tucson departing in September.

Flight prices are below average for this route right now.

Flights to Tucson from St. Louis usually cost between $333 and $746 in September.
The lowest price found in the past 5 days was $257 on American Airlines (Sep 15-Sep 22).

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from St. Louis to Tucson, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from St. Louis to Tucson is October, where tickets cost $289 (return) on average. On the other hand, the most expensive months are February and August, where the average cost of round-trip tickets is $577 and $504 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from St. Louis to Tucson, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from St. Louis to Tucson, you should book around 4 weeks before departure, which saves you about 40% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 11 weeks before departure.

Find deals

Good to know

Low season

September

Cheapest flight

$129
Best time to beat the crowds with an average 3% drop in price.
Most popular time to fly and prices are also 3% lower on average.
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
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from St. Louis to Tucson

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

    In the last 5 days, the lowest price for a flight from St. Louis to Tucson was $129 for a one-way ticket and $257 for a round-trip.

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

    No

  • Which airports will I be using when flying from St. Louis to Tucson?

    St. Louis airport is called Lambert-St Louis and the only airport in Tucson is Tucson.

  • Which aircraft models fly most regularly from St. Louis to Tucson?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from St. Louis to Tucson?

    Star Alliance, and oneworld are the airline alliances operating flights between St. Louis and Tucson, with Star Alliance being the most commonly used for this route.

  • Which is the best airline for flights from St. Louis to Tucson, Southwest or United Airlines?

    The two airlines most popular with KAYAK users for flights from St. Louis to Tucson are Southwest and United Airlines. With an average price for the route of $435 and an overall rating of 8.0, Southwest is the most popular choice. United Airlines is also a great choice for the route, with an average price of $486 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from St. Louis to Tucson?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Tucson.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Tucson?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Tucson from St. Louis is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from St. Louis to Tucson?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Tucson with an airline and back to St. Louis with another airline. Booking your flights between St. Louis and TUS can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Tucson?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Tucson from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

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)