STL

$54 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 2/21. 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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Everything you should know

Cheapest round-trip
$107
Overall average: $266
Frontier
Fri 3/6Sun 3/8
LAS - STL • Non-stop
Cheapest one-way
$54
Typical prices: $104-$239
Frontier
Sat 2/21
LAS - STL • Non-stop
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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

Fri, Mar 6 - Sun, Mar 8
Frontier Logo
6:05 am - 11:19 am
LAS
-
STL
3h 14mnonstop
Frontier Logo
6:19 pm - 8:09 pm
STL
-
LAS
3h 50mnonstop
$107Frontier
Sat, Feb 14 - Mon, Feb 16
Frontier Logo
12:22 pm - 5:46 pm
LAS
-
STL
3h 24mnonstop
Frontier Logo
10:11 pm - 11:59 pm
STL
-
LAS
3h 48mnonstop
$116Frontier
Fri, Feb 13 - Mon, Feb 16
Frontier Logo
4:10 pm - 9:26 pm
LAS
-
STL
3h 16mnonstop
Frontier Logo
10:11 pm - 11:59 pm
STL
-
LAS
3h 48mnonstop
$117Frontier
Fri, Mar 13 - Sun, Mar 15
Frontier Logo
6:05 am - 11:19 am
LAS
-
STL
3h 14mnonstop
Frontier Logo
8:06 pm - 10:08 pm
STL
-
LAS
4h 02mnonstop
$118Frontier
Wed, Feb 25 - Fri, Feb 27
Frontier Logo
9:52 am - 3:53 pm
PHX
-
STL
5h 01m
1 stop
Frontier Logo
9:02 pm - 11:43 pm
STL
-
PHX
3h 41mnonstop
$123Frontier
Wed, Feb 25 - Sat, Feb 28
Delta Logo
1:34 pm - 11:36 pm
TUS
-
STL
9h 02m
1 stop
Delta Logo
2:22 pm - 10:30 pm
STL
-
TUS
9h 08m
1 stop
$287Delta
Wed, Feb 25 - Sun, Mar 1
American Airlines Logo
4:03 pm - 11:59 pm
TUS
-
STL
6h 56m
1 stop
American Airlines Logo
6:50 pm - 12:19 am
STL
-
TUS
6h 29m
1 stop
$315American Airlines
Sat, Apr 25 - Tue, Apr 28
Delta Logo
12:49 pm - 11:34 pm
TUS
-
STL
8h 45m
1 stop
Delta Logo
6:20 am - 1:09 pm
STL
-
TUS
8h 49m
1 stop
$323Delta
Wed, Feb 25 - Sun, Mar 1
American Airlines Logo
5:58 pm - 11:59 pm
TUS
-
STL
5h 01m
1 stop
American Airlines Logo
6:50 pm - 12:19 am
STL
-
TUS
6h 29m
1 stop
$331American Airlines
Thu, Apr 16 - Tue, Apr 21
United Airlines Logo
7:10 pm - 5:50 am
TUS
-
STL
8h 40m
1 stop
United Airlines Logo
11:15 am - 8:18 pm
STL
-
TUS
11h 03m
2 stops
$338United Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$54
Best time to beat the crowds but there is an average 10% increase in price.
Most popular time to fly and prices are also 5% lower on average.
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