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 10/7. 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, Aug 18 - Mon, Aug 31
Frontier Logo
12:25 pm - 5:50 pm
LAS
-
STL
3h 25mnonstop
Frontier Logo
6:45 pm - 8:20 pm
STL
-
LAS
3h 35mnonstop
$201Frontier
Sat, Aug 29 - Mon, Aug 31
Frontier Logo
12:25 pm - 5:50 pm
LAS
-
STL
3h 25mnonstop
Frontier Logo
6:45 pm - 8:20 pm
STL
-
LAS
3h 35mnonstop
$202Frontier
Mon, Oct 19 - Thu, Oct 22
Frontier Logo
7:57 pm - 1:17 am
LAS
-
STL
3h 20mnonstop
Frontier Logo
5:19 pm - 7:02 pm
STL
-
LAS
3h 43mnonstop
$203Frontier
Thu, Sep 10 - Tue, Sep 15
Frontier Logo
6:35 am - 11:51 am
LAS
-
STL
3h 16mnonstop
Frontier Logo
12:46 pm - 2:29 pm
STL
-
LAS
3h 43mnonstop
$204Frontier
Thu, Aug 20 - Sat, Aug 22
Frontier Logo
12:25 pm - 5:50 pm
LAS
-
STL
3h 25mnonstop
Frontier Logo
6:45 pm - 8:20 pm
STL
-
LAS
3h 35mnonstop
$205Frontier
Tue, Sep 29 - Tue, Oct 6
Southwest Logo
5:35 am - 3:05 pm
TUS
-
STL
7h 30m
1 stop
Southwest Logo
5:20 am - 10:45 am
STL
-
TUS
7h 25m
1 stop
$252Southwest
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
$253Southwest
Sat, Aug 8 - Sat, Aug 15
American Airlines Logo
10:25 am - 5:37 pm
TUS
-
STL
5h 12m
1 stop
American Airlines Logo
8:00 am - 1:07 pm
STL
-
TUS
7h 07m
1 stop
$255American Airlines
Wed, Sep 16 - Sat, Sep 19
Southwest Logo
4:00 pm - 10:35 pm
TUS
-
STL
4h 35m
1 stop
Southwest Logo
3:00 pm - 8:35 pm
STL
-
TUS
7h 35m
2 stops
$258Southwest
Thu, Nov 5 - Tue, Nov 10
American Airlines Logo
7:54 pm - 11:50 pm
PHX
-
STL
2h 56mnonstop
American Airlines Logo
3:59 pm - 11:46 pm
STL
-
PHX
8h 47m
1 stop
$307American Airlines
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Good to know

Low seasonJanuary
Cheapest flight$49
Best time to beat the crowds with an average 2% drop in price.
Most popular time to fly with an average 5% 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)