STL

$49 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 9/1. 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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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, Oct 6 - Tue, Oct 13
Frontier Logo
5:55 pm - 11:51 am
PHX
-
STL
15h 56m
1 stop
Frontier Logo
5:19 pm - 10:13 am
STL
-
PHX
18h 54m
1 stop
$154Frontier
Tue, Oct 6 - Tue, Oct 13
Frontier Logo
10:55 pm - 11:51 am
PHX
-
STL
10h 56m
1 stop
Frontier Logo
5:19 pm - 10:13 am
STL
-
PHX
18h 54m
1 stop
$165Frontier
Tue, Oct 27 - Sun, Nov 1
Frontier Logo
5:18 pm - 10:39 pm
LAS
-
STL
3h 21mnonstop
Frontier Logo
5:32 pm - 7:15 pm
STL
-
LAS
3h 43mnonstop
$200Frontier
Sat, Oct 31 - Sun, Nov 1
Frontier Logo
5:18 pm - 10:39 pm
LAS
-
STL
3h 21mnonstop
Frontier Logo
5:32 pm - 7:15 pm
STL
-
LAS
3h 43mnonstop
$201Frontier
Sat, Sep 19 - Wed, Sep 23
Southwest Logo
5:25 pm - 10:20 pm
PHX
-
STL
2h 55mnonstop
Southwest Logo
9:15 am - 10:25 am
STL
-
PHX
3h 10mnonstop
$244Southwest
Fri, Aug 21 - Mon, Aug 24
American Airlines Logo
5:00 am - 2:42 pm
TUS
-
STL
7h 42m
1 stop
American Airlines Logo
12:55 pm - 5:47 pm
STL
-
TUS
6h 52m
1 stop
$269American Airlines
Thu, Oct 8 - Mon, Oct 12
Southwest Logo
5:15 pm - 1:15 am
TUS
-
STL
6h 00m
1 stop
Southwest Logo
5:30 am - 9:05 am
STL
-
TUS
5h 35m
1 stop
$294Southwest
Thu, Sep 3 - Mon, Sep 7
American Airlines Logo
5:00 am - 2:45 pm
TUS
-
STL
7h 45m
1 stop
American Airlines Logo
5:42 am - 8:44 am
STL
-
TUS
5h 02m
1 stop
$309American Airlines
Tue, Sep 1 - Wed, Sep 2
United Airlines Logo
9:15 am - 4:34 pm
TUS
-
STL
5h 19m
1 stop
United Airlines Logo
9:00 am - 12:27 pm
STL
-
TUS
5h 27m
1 stop
$341United Airlines
Tue, Sep 1 - Wed, Sep 2
United Airlines Logo
1:29 pm - 8:46 pm
TUS
-
STL
5h 17m
1 stop
United Airlines Logo
8:00 am - 5:03 pm
STL
-
TUS
11h 03m
2 stops
$346United Airlines
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Good to know

Low seasonJanuary
Cheapest flight$49
Best time to beat the crowds with an average 1% drop in price.
Most popular time to fly with an average 1% increase in price.
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.

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)