STL

$48 Find Cheap Flights from Arizona to St. Louis - 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 to St. Louis departing on 8/12. 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

Tue, Sep 29 - Sat, Oct 3
Frontier Logo
10:55 pm - 11:51 am
PHX
-
STL
10h 56m
1 stop
Frontier Logo
12:46 pm - 9:35 pm
STL
-
PHX
10h 49m
1 stop
$150Frontier
Tue, Sep 8 - Tue, Sep 15
Frontier Logo
10:09 pm - 11:51 am
PHX
-
STL
11h 42m
1 stop
Frontier Logo
12:46 pm - 9:35 pm
STL
-
PHX
10h 49m
1 stop
$151Frontier
Wed, Aug 5 - Tue, Aug 11
Frontier Logo
9:58 pm - 6:15 pm
PHX
-
STL
18h 17m
1 stop
Frontier Logo
7:03 pm - 12:59 pm
STL
-
PHX
19h 56m
1 stop
$159Frontier
Tue, Oct 6 - Wed, Nov 11
Frontier Logo
5:55 pm - 11:51 am
PHX
-
STL
15h 56m
1 stop
Frontier Logo
5:32 pm - 9:56 pm
STL
-
PHX
29h 24m
2 stops
$189Frontier
Fri, Aug 14 - Mon, Aug 17
Southwest Logo
11:15 am - 7:20 pm
LAS
-
STL
6h 05m
1 stop
Southwest Logo
8:50 pm - 10:15 pm
STL
-
LAS
3h 25mnonstop
$199Southwest
Sat, Aug 29 - Tue, Sep 15
Southwest Logo
7:50 am - 3:30 pm
TUS
-
STL
5h 40m
1 stop
Southwest Logo
4:05 pm - 9:55 pm
STL
-
TUS
7h 50m
1 stop
$342Southwest
Tue, Jul 21 - Tue, Jul 28
American Airlines Logo
2:59 pm - 11:58 pm
TUS
-
STL
6h 59m
1 stop
American Airlines Logo
5:58 pm - 10:42 pm
STL
-
TUS
6h 44m
1 stop
$347American Airlines
Sat, Aug 29 - Tue, Sep 15
Southwest Logo
7:50 am - 3:30 pm
TUS
-
STL
5h 40m
1 stop
Southwest Logo
3:45 pm - 9:55 pm
STL
-
TUS
8h 10m
2 stops
$348Southwest
Thu, Aug 6 - Wed, Aug 12
American Airlines Logo
3:58 pm - 11:42 pm
TUS
-
STL
5h 44m
1 stop
American Airlines Logo
12:45 pm - 5:47 pm
STL
-
TUS
7h 02m
1 stop
$361American Airlines
Thu, Aug 13 - Sun, Aug 16
American Airlines Logo
1:17 pm - 10:41 pm
TUS
-
STL
7h 24m
1 stop
American Airlines Logo
6:36 am - 12:17 pm
STL
-
TUS
7h 41m
1 stop
$394American Airlines
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Good to know

Low seasonJanuary
Cheapest flight$48
Flight from Las Vegas 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)