STL

$67 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 10/6. 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

Wed, Sep 16 - Wed, Sep 23
Frontier Logo
9:15 am - 7:17 pmPHX  Phoenix Sky Harbor Intl-STL Lambert-St Louis
8h 02m1 stop Denver Intl
Frontier Logo
8:10 pm - 8:00 amSTL  Lambert-St Louis-PHX Phoenix Sky Harbor Intl
13h 50m1 stop Denver Intl
$153Frontier
Wed, Sep 16 - Wed, Sep 23
Frontier Logo
9:45 am - 7:17 pmLAS  Las Vegas Harry Reid Intl-STL Lambert-St Louis
7h 32m1 stop Denver Intl
Frontier Logo
8:10 pm - 8:28 amSTL  Lambert-St Louis-LAS Las Vegas Harry Reid Intl
14h 18m1 stop Denver Intl
$168Frontier
Wed, Sep 9 - Wed, Sep 16
American Airlines Logo
11:31 am - 7:07 pmLAS  Las Vegas Harry Reid Intl-STL Lambert-St Louis
5h 36m1 stop Dallas/Fort Worth
American Airlines Logo
2:30 pm - 6:20 pmSTL  Lambert-St Louis-LAS Las Vegas Harry Reid Intl
5h 50m1 stop Phoenix Sky Harbor Intl
$187American Airlines
Tue, Aug 25 - Tue, Sep 1
American Airlines Logo
11:59 pm - 9:24 amLAS  Las Vegas Harry Reid Intl-STL Lambert-St Louis
7h 25m1 stop Dallas/Fort Worth
American Airlines Logo
6:36 am - 11:58 amSTL  Lambert-St Louis-LAS Las Vegas Harry Reid Intl
7h 22m1 stop Dallas/Fort Worth
$187American Airlines
Tue, Sep 1 - Tue, Sep 8
Multiple Airlines Logo
12:25 pm - 5:50 pmLAS  Las Vegas Harry Reid Intl-STL Lambert-St Louis
3h 25mnonstop
Multiple Airlines Logo
6:08 pm - 11:26 amSTL  Lambert-St Louis-LAS Las Vegas Harry Reid Intl
19h 18m1 stop Portland
$218Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
Multiple Airlines Logo
8:02 am - 5:10 pmLAS  Las Vegas Harry Reid Intl-STL Lambert-St Louis
7h 08m1 stop Portland
Multiple Airlines Logo
12:17 pm - 1:52 pmSTL  Lambert-St Louis-LAS Las Vegas Harry Reid Intl
3h 35mnonstop
$223Multiple Airlines
Tue, Sep 22 - Tue, Oct 6
Southwest Logo
6:00 am - 10:55 amPHX  Phoenix Sky Harbor Intl-STL Lambert-St Louis
2h 55mnonstop
Southwest Logo
8:50 pm - 10:05 pmSTL  Lambert-St Louis-PHX Phoenix Sky Harbor Intl
3h 15mnonstop
$277Southwest
Wed, Aug 26 - Wed, Sep 2
Southwest Logo
8:20 am - 1:15 pmPHX  Phoenix Sky Harbor Intl-STL Lambert-St Louis
2h 55mnonstop
Southwest Logo
8:45 pm - 9:55 pmSTL  Lambert-St Louis-PHX Phoenix Sky Harbor Intl
3h 10mnonstop
$277Southwest
Sat, Sep 12 - Thu, Sep 17
Delta Logo
6:20 am - 4:47 pmLAS  Las Vegas Harry Reid Intl-STL Lambert-St Louis
8h 27m1 stop Minneapolis St Paul
Delta Logo
6:55 pm - 11:35 pmSTL  Lambert-St Louis-LAS Las Vegas Harry Reid Intl
6h 40m1 stop Salt Lake City
$294Delta
Sat, Sep 12 - Fri, Sep 18
Delta Logo
6:20 am - 4:47 pmLAS  Las Vegas Harry Reid Intl-STL Lambert-St Louis
8h 27m1 stop Minneapolis St Paul
Delta Logo
2:25 pm - 10:41 pmSTL  Lambert-St Louis-LAS Las Vegas Harry Reid Intl
10h 16m2 stops Salt Lake City Seattle/Tacoma Intl
$305Delta
Useful Info

Good to know

Low season

January

Cheapest flight

$67
Best time to beat the crowds with an average 7% drop in price.
Most popular time to fly with an average 9% 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)