STL

$63 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 9/15. 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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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

Tue, Sep 15 - Tue, Sep 22
Frontier Logo
6:15 am - 11:32 amLAS  Las Vegas Harry Reid Intl-STL Lambert-St Louis
3h 17mnonstop
Frontier Logo
12:17 pm - 1:52 pmSTL  Lambert-St Louis-LAS Las Vegas Harry Reid Intl
3h 35mnonstop
$126Frontier
Thu, Sep 10 - Mon, Sep 14
Frontier Logo
6:00 am - 11:17 amLAS  Las Vegas Harry Reid Intl-STL Lambert-St Louis
3h 17mnonstop
Frontier Logo
12:17 pm - 1:52 pmSTL  Lambert-St Louis-LAS Las Vegas Harry Reid Intl
3h 35mnonstop
$138Frontier
Tue, Oct 13 - Tue, Oct 20
Southwest Logo
5:00 am - 9:50 amPHX  Phoenix Sky Harbor Intl-STL Lambert-St Louis
2h 50mnonstop
Southwest Logo
8:50 pm - 10:05 pmSTL  Lambert-St Louis-PHX Phoenix Sky Harbor Intl
3h 15mnonstop
$256Southwest
Tue, Sep 8 - Tue, Sep 15
Southwest Logo
6:00 am - 10:55 amPHX  Phoenix Sky Harbor Intl-STL Lambert-St Louis
2h 55mnonstop
Southwest Logo
5:00 pm - 6:15 pmSTL  Lambert-St Louis-PHX Phoenix Sky Harbor Intl
3h 15mnonstop
$256Southwest
Tue, Sep 29 - Tue, Oct 6
American Airlines Logo
6:45 am - 1:44 pmTUS  Tucson-STL Lambert-St Louis
4h 59m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
5:40 am - 8:57 amSTL  Lambert-St Louis-TUS Tucson
5h 17m1 stop Dallas/Fort Worth
$257American Airlines
Tue, Sep 29 - Tue, Oct 6
American Airlines Logo
3:54 pm - 11:43 pmTUS  Tucson-STL Lambert-St Louis
5h 49m1 stop Dallas/Fort Worth
American Airlines Logo
8:03 am - 1:58 pmSTL  Lambert-St Louis-TUS Tucson
7h 55m1 stop Phoenix Sky Harbor Intl
$257American Airlines
Tue, Sep 29 - Tue, Oct 6
United Airlines Logo
9:45 am - 9:21 pmTUS  Tucson-STL Lambert-St Louis
9h 36m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
9:00 am - 12:34 pmSTL  Lambert-St Louis-TUS Tucson
5h 34m1 stop Denver Intl
$262United Airlines
Mon, Nov 16 - Wed, Nov 18
Multiple Airlines Logo
12:32 pm - 11:59 pmLAS  Las Vegas Harry Reid Intl-STL Lambert-St Louis
9h 27m2 stops Boise Air Term. Gowen Fld Seattle/Tacoma Intl
Multiple Airlines Logo
5:32 pm - 7:15 pmSTL  Lambert-St Louis-LAS Las Vegas Harry Reid Intl
3h 43mnonstop
$281Multiple Airlines
Tue, Sep 15 - Tue, Sep 22
Multiple Airlines Logo
6:15 am - 11:32 amLAS  Las Vegas Harry Reid Intl-STL Lambert-St Louis
3h 17mnonstop
Multiple Airlines Logo
7:20 pm - 7:38 pmSTL  Lambert-St Louis-LAS Las Vegas Harry Reid Intl
26h 18m3 stops Jonesboro Nashville Intl Denver Intl
$299Multiple Airlines
Fri, Feb 5 - Mon, Feb 8
United Airlines Logo
10:50 am - 4:26 pmPHX  Phoenix Sky Harbor Intl-STL Lambert-St Louis
4h 36m1 stop Denver Intl
United Airlines Logo
4:30 pm - 9:14 pmSTL  Lambert-St Louis-PHX Phoenix Sky Harbor Intl
5h 44m1 stop Denver Intl
$336United Airlines
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Good to know

Low season

January

Cheapest flight

$63
Best time to beat the crowds with an average 8% 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.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
O'Fallon
Fenton
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)