STL

$27 Find Cheap Flights from Arizona to St. Louis

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to St. Louis departing on 12/29. 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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Flight Deals

Cheap Flights from Arizona to St. Louis

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Arizona to St. Louis 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 Arizona to St. Louis

Mon, Nov 10 - Wed, Nov 12
Frontier Logo
12:59 am - 9:07 amLAS-STL
6h 08m1 stop
Frontier Logo
7:45 pm - 8:02 amSTL-LAS
14h 17m1 stop
$139Frontier
Find Deal
Tue, Nov 11 - Sat, Nov 15
Frontier Logo
12:59 am - 9:07 amLAS-STL
6h 08m1 stop
Frontier Logo
7:45 pm - 8:02 amSTL-LAS
14h 17m1 stop
$141Frontier
Find Deal
Fri, Dec 12 - Sun, Dec 14
American Airlines Logo
11:59 pm - 8:50 amLAS-STL
6h 51m1 stop
American Airlines Logo
7:38 am - 12:42 pmSTL-LAS
7h 04m1 stop
$159American Airlines
Find Deal
Sat, Dec 6 - Wed, Dec 10
American Airlines Logo
4:54 pm - 11:56 pmLAS-STL
5h 02m1 stop
American Airlines Logo
6:55 am - 2:02 pmSTL-LAS
9h 07m1 stop
$163American Airlines
Find Deal
Tue, Nov 4 - Tue, Nov 18
Multiple Airlines Logo
7:47 pm - 9:07 amLAS-STL
11h 20m1 stop
Multiple Airlines Logo
7:45 pm - 7:26 amSTL-LAS
13h 41m2 stops
$176Multiple Airlines
Find Deal
Sat, Jan 10 - Sat, Jan 17
Southwest Logo
6:40 am - 11:45 amLAS-STL
3h 05mnonstop
Southwest Logo
5:50 pm - 7:35 pmSTL-LAS
3h 45mnonstop
$181Southwest
Find Deal
Tue, Nov 11 - Thu, Nov 13
Multiple Airlines Logo
12:59 am - 9:07 amLAS-STL
6h 08m1 stop
Multiple Airlines Logo
6:22 pm - 7:26 amSTL-LAS
15h 04m2 stops
$201Multiple Airlines
Find Deal
Thu, Dec 11 - Thu, Jan 1
Southwest Logo
12:05 pm - 5:15 pmPHX-STL
4h 10m1 stop
Southwest Logo
6:00 am - 8:30 amSTL-PHX
3h 30mnonstop
$202Southwest
Find Deal
Thu, Dec 4 - Sun, Dec 7
Delta Logo
3:20 pm - 11:29 pmPHX-STL
7h 09m1 stop
Delta Logo
2:20 pm - 6:57 pmSTL-PHX
5h 37m1 stop
$217Delta
Find Deal
Thu, Feb 26 - Mon, Mar 2
Delta Logo
6:10 am - 2:48 pmLAS-STL
6h 38m1 stop
Delta Logo
5:00 pm - 11:01 pmSTL-LAS
8h 01m1 stop
$217Delta
Find Deal

Everything you should know

Cheapest round-trip
$139
Overall average: $258
Frontier
Mon 11/10Wed 11/12
LAS - STL • 1 stop
Cheapest non-stop
$144
Typical prices: $143-$480
Frontier
Fri 12/12Sun 12/14
LAS - STL • Non-stop
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to St. Louis!
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$27
Best time to beat the crowds with an average 6% drop in price.
Most popular time to fly with an average 2% increase in price.
Flight from Phoenix to St. Louis

FAQs for booking flights from Arizona to St. Louis

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

    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 Arizona to St. Louis.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Arizona 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 Arizona to St. Louis?

    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 St. Louis with an airline and back to Arizona with another airline.

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

    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 St. Louis from Arizona up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
O'Fallon
Wentzville
Farmington
Eureka
Litchfield
Grafton
Shrewsbury
Glencoe

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

Information on the airport you'll fly into in St. Louis

St. Louis (STL)

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