STL

$43 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 10/10. 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

KAYAK searches hundreds of travel sites at once for deals on flights to St. Louis

Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 22% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals
Useful Info
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, Sep 8 - Mon, Sep 15
Frontier Logo
8:34 am - 1:53 pmLAS-STL
3h 19mnonstop
Frontier Logo
9:29 pm - 11:05 pmSTL-LAS
3h 36mnonstop
$92Frontier
Find Deal
Thu, Oct 2 - Sun, Oct 5
Frontier Logo
8:34 am - 1:53 pmLAS-STL
3h 19mnonstop
Frontier Logo
2:38 pm - 4:16 pmSTL-LAS
3h 38mnonstop
$95Frontier
Find Deal
Wed, Sep 17 - Wed, Sep 24
 Logo
5:36 pm - 3:04 pmLAS-STL
19h 28m2 stops
 Logo
7:55 pm - 11:33 pmSTL-LAS
5h 38m1 stop
Wed, Oct 1 - Sun, Oct 5
 Logo
10:16 pm - 9:40 amLAS-STL
9h 24m1 stop
 Logo
7:55 pm - 11:33 pmSTL-LAS
5h 38m1 stop
Wed, Oct 22 - Sat, Oct 25
Delta Logo
12:40 am - 8:51 amPHX-STL
6h 11m1 stop
Delta Logo
6:50 am - 12:15 pmSTL-PHX
7h 25m1 stop
$244Delta
Find Deal
Wed, Oct 22 - Sat, Oct 25
American Airlines Logo
12:18 am - 8:09 amPHX-STL
5h 51m1 stop
American Airlines Logo
7:31 am - 9:05 amSTL-PHX
3h 34mnonstop
$246American Airlines
Find Deal
Thu, Oct 9 - Tue, Oct 14
American Airlines Logo
6:50 pm - 11:57 pmPHX-STL
3h 07mnonstop
American Airlines Logo
7:00 am - 8:34 amSTL-PHX
3h 34mnonstop
$249American Airlines
Find Deal
Tue, Oct 14 - Wed, Oct 22
Delta Logo
4:47 pm - 12:24 amTUS-STL
5h 37m1 stop
Delta Logo
2:29 pm - 9:25 pmSTL-TUS
8h 56m1 stop
$257Delta
Find Deal
Wed, Oct 8 - Fri, Oct 10
Southwest Logo
7:40 am - 12:35 pmPHX-STL
2h 55mnonstop
Southwest Logo
10:15 pm - 11:35 pmSTL-PHX
3h 20mnonstop
$264Southwest
Find Deal
Tue, Sep 16 - Tue, Sep 23
Southwest Logo
7:55 am - 12:50 pmPHX-STL
2h 55mnonstop
Southwest Logo
8:45 pm - 10:00 pmSTL-PHX
3h 15mnonstop
$297Southwest
Find Deal
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$43
Best time to beat the crowds with an average 5% drop in price.
Most popular time to fly with an average 1% 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
Glencoe
Shrewsbury

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

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

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.