STL

$50 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 10/17. 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

KAYAK searches hundreds of travel sites at once for deals on flights to St. Louis

Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 22% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

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, Nov 7 - Sat, Nov 8
Frontier Logo
2:47 pm - 8:12 pmLAS-STL
3h 25mnonstop
Frontier Logo
7:45 pm - 11:29 pmSTL-LAS
5h 44m1 stop
$99Frontier
Find Deal
Thu, Oct 30 - Thu, Nov 6
Frontier Logo
8:32 am - 1:57 pmLAS-STL
3h 25mnonstop
Frontier Logo
11:07 am - 9:28 pmSTL-LAS
12h 21m1 stop
$112Frontier
Find Deal
Mon, Oct 13 - Mon, Oct 20
Frontier Logo
7:00 am - 7:26 pmLAS-STL
10h 26m1 stop
Frontier Logo
9:59 pm - 11:37 pmSTL-LAS
3h 38mnonstop
$120Frontier
Find Deal
Wed, Feb 18 - Mon, Feb 23
United Airlines Logo
12:59 am - 9:23 amLAS-STL
6h 24m1 stop
United Airlines Logo
6:00 pm - 9:59 pmSTL-LAS
5h 59m1 stop
$167United Airlines
Find Deal
Mon, Oct 13 - Mon, Oct 20
American Airlines Logo
6:50 pm - 11:57 pmPHX-STL
3h 07mnonstop
American Airlines Logo
6:21 pm - 7:42 pmSTL-PHX
3h 21mnonstop
$219American Airlines
Find Deal
Fri, Oct 17 - Sat, Oct 25
American Airlines Logo
12:18 am - 8:09 amPHX-STL
5h 51m1 stop
American Airlines Logo
7:31 am - 9:05 amSTL-PHX
3h 34mnonstop
$228American Airlines
Find Deal
Sat, Dec 13 - Mon, Dec 15
Delta Logo
3:20 pm - 11:28 pmPHX-STL
7h 08m1 stop
Delta Logo
2:20 pm - 6:53 pmSTL-PHX
5h 33m1 stop
$237Delta
Find Deal
Tue, Oct 7 - Sat, Oct 11
Multiple Airlines Logo
6:00 am - 12:03 amPHX-STL
16h 03m2 stops
Multiple Airlines Logo
4:51 pm - 11:41 pmSTL-PHX
8h 50m1 stop
$257Multiple Airlines
Find Deal
Mon, Nov 24 - Wed, Dec 3
Delta Logo
6:22 pm - 12:46 amPHX-STL
5h 24m1 stop
Delta Logo
7:56 pm - 12:44 amSTL-PHX
5h 48m1 stop
$277Delta
Find Deal
Tue, Oct 14 - Sat, Oct 25
United Airlines Logo
4:25 pm - 11:58 pmTUS-STL
5h 33m1 stop
United Airlines Logo
11:10 am - 8:25 pmSTL-TUS
11h 15m2 stops
$372United Airlines
Find Deal

Everything you should know

Cheapest round-trip
$99
Overall average: $263
Frontier
Fri 11/7Sat 11/8
LAS - STL • Non-stop
Cheapest non-stop
$169
Typical prices: $143-310
Frontier
Mon 10/13Mon 10/20
LAS - STL • Non-stop
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to St. Louis!
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$50
Best time to beat the crowds with an average 3% drop in price.
Most popular time to fly and prices are also 6% lower on average.
Flight from Phoenix 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
Glencoe
Shrewsbury

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)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.