STL

$28 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 2/14. 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
$57
Overall average: $150
Frontier
Fri 2/20Mon 2/23
LAS - STL • Non-stop
Cheapest non-stop
$97
Typical prices: $92-$291
Frontier
Fri 1/30Fri 2/6
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, Feb 20 - Mon, Feb 23
Frontier Logo
4:10 pm - 9:26 pm
LAS
-
STL
3h 16mnonstop
Frontier Logo
10:11 pm - 11:59 pm
STL
-
LAS
3h 48mnonstop
$57Frontier
Fri, Feb 27 - Sun, Mar 1
Frontier Logo
4:10 pm - 9:26 pm
LAS
-
STL
3h 16mnonstop
Frontier Logo
10:11 pm - 11:59 pm
STL
-
LAS
3h 48mnonstop
$58Frontier
Fri, Feb 6 - Mon, Feb 9
Frontier Logo
3:32 pm - 8:48 pm
LAS
-
STL
3h 16mnonstop
Frontier Logo
9:45 pm - 11:44 pm
STL
-
LAS
3h 59mnonstop
$97Frontier
Thu, Feb 19 - Mon, Feb 23
Multiple Airlines Logo
6:30 am - 9:26 pm
PHX
-
STL
13h 56m
2 stops
Multiple Airlines Logo
8:47 pm - 11:28 pm
STL
-
PHX
3h 41mnonstop
$141Multiple Airlines
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
Sat, Feb 28 - Sat, Mar 7
Multiple Airlines Logo
6:00 am - 2:23 pm
TUS
-
STL
31h 23m
1 stop
Multiple Airlines Logo
8:12 pm - 1:48 pm
STL
-
TUS
18h 36m
1 stop
$293Multiple Airlines
Wed, Feb 25 - Sat, Feb 28
United Airlines Logo
6:30 am - 1:14 pm
TUS
-
STL
5h 44m
1 stop
United Airlines Logo
7:41 am - 4:44 pm
STL
-
TUS
10h 03m
2 stops
$312United Airlines
Sat, Feb 28 - Sat, Mar 7
United Airlines Logo
6:30 am - 1:14 pm
TUS
-
STL
5h 44m
1 stop
United Airlines Logo
7:41 am - 4:47 pm
STL
-
TUS
10h 06m
2 stops
$326United Airlines
Sat, Apr 25 - Tue, Apr 28
Delta Logo
1:35 pm - 11:33 pm
TUS
-
STL
7h 58m
1 stop
Delta Logo
6:10 am - 1:01 pm
STL
-
TUS
8h 51m
1 stop
$345Delta
Wed, Mar 25 - Mon, Mar 30
American Airlines Logo
6:00 am - 3:28 pm
TUS
-
STL
7h 28m
1 stop
American Airlines Logo
5:12 am - 8:45 am
STL
-
TUS
5h 33m
1 stop
$347American Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$28
Best time to beat the crowds but there is an average 11% 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