STL

$34 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 2/12. 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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Everything you should know

Cheapest round-trip
$68
Overall average: $151
Frontier
Thu 2/12Sat 2/14
LAS - STL • Non-stop
Cheapest one-way
$34
Typical prices: $104-$229
Frontier
Thu 2/12
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

Thu, Feb 12 - Sat, Feb 14
Frontier Logo
4:10 pm - 9:26 pm
LAS
-
STL
3h 16mnonstop
Frontier Logo
6:41 pm - 8:31 pm
STL
-
LAS
3h 50mnonstop
$68Frontier
Thu, Feb 12 - Sat, Feb 14
Frontier Logo
4:10 pm - 9:26 pm
LAS
-
STL
3h 16mnonstop
Frontier Logo
6:41 pm - 8:31 pm
STL
-
LAS
3h 50mnonstop
$87Frontier
Thu, Feb 12 - 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
$88Frontier
Thu, Feb 5 - Sat, Feb 14
Frontier Logo
3:50 pm - 9:06 pm
LAS
-
STL
3h 16mnonstop
Frontier Logo
6:41 pm - 8:31 pm
STL
-
LAS
3h 50mnonstop
$97Frontier
Thu, Feb 12 - Fri, Feb 20
Frontier Logo
4:10 pm - 9:26 pm
LAS
-
STL
3h 16mnonstop
Frontier Logo
10:11 pm - 11:59 pm
STL
-
LAS
3h 48mnonstop
$98Frontier
Thu, Feb 5 - Fri, Feb 6
Frontier Logo
3:50 pm - 9:06 pm
LAS
-
STL
3h 16mnonstop
Frontier Logo
9:43 pm - 11:42 pm
STL
-
LAS
3h 59mnonstop
$107Frontier
Tue, Feb 10 - Mon, Feb 16
Frontier Logo
12:59 am - 1:58 pm
LAS
-
STL
10h 59m
1 stop
Frontier Logo
10:11 pm - 11:59 pm
STL
-
LAS
3h 48mnonstop
$108Frontier
Thu, Feb 12 - Sat, Feb 14
Frontier Logo
4:10 pm - 9:26 pm
LAS
-
STL
3h 16mnonstop
Frontier Logo
2:51 pm - 10:40 am
STL
-
LAS
21h 49m
1 stop
$110Frontier
Fri, Feb 6 - Sat, Feb 7
Frontier Logo
3:32 pm - 8:48 pm
LAS
-
STL
3h 16mnonstop
Frontier Logo
3:46 pm - 11:59 pm
STL
-
LAS
10h 13m
1 stop
$117Frontier
Tue, Feb 10 - Fri, Feb 20
Frontier Logo
12:59 am - 1:58 pm
LAS
-
STL
10h 59m
1 stop
Frontier Logo
10:11 pm - 11:59 pm
STL
-
LAS
3h 48mnonstop
$118Frontier
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$34
Best time to beat the crowds but there is an average 5% increase in price.
Most popular time to fly and prices are also 3% 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

St. Louis (STL)