PHX

$64 Find Cheap Flights from Missouri to Phoenix

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Phoenix departing on 9/8. 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

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Cheap Flights from Missouri to Phoenix

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Missouri to Phoenix 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 Missouri to Phoenix

Thu, Aug 7 - Sat, Aug 9
Spirit Airlines Logo
10:47 am - 10:34 pmSTL-PHX
13h 47m1 stop
Spirit Airlines Logo
11:34 pm - 9:52 amPHX-STL
8h 18m1 stop
$159Spirit Airlines
Find Deal
Mon, Jul 14 - Wed, Jul 16
Spirit Airlines Logo
10:47 am - 10:34 pmSTL-PHX
13h 47m1 stop
Spirit Airlines Logo
11:34 pm - 9:52 amPHX-STL
8h 18m1 stop
$173Spirit Airlines
Find Deal
Fri, Aug 15 - Tue, Aug 19
Logo
8:44 am - 2:11 pmSTL-PHX
7h 27m1 stop
Logo
7:14 am - 9:11 amPHX-STL
23h 57m1 stop
$217
Find Deal
Sat, Jul 12 - Wed, Jul 16
Logo
7:29 pm - 8:27 amSTL-PHX
14h 58m1 stop
Logo
11:34 pm - 9:52 amPHX-STL
8h 18m1 stop
$223
Find Deal
Fri, Jul 4 - Fri, Jul 11
American Airlines Logo
8:23 am - 12:33 pmSGF-PHX
6h 10m1 stop
American Airlines Logo
12:38 am - 8:45 amPHX-SGF
6h 07m1 stop
$229American Airlines
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Sun, Sep 21 - Sat, Sep 27
Frontier Logo
7:48 pm - 10:14 amMCI-PHX
16h 26m1 stop
Frontier Logo
6:25 pm - 7:03 pmPHX-MCI
22h 38m1 stop
$238Frontier
Find Deal
Wed, Aug 20 - Sat, Aug 23
Delta Logo
3:54 pm - 9:21 pmSGF-PHX
7h 27m1 stop
Delta Logo
1:37 pm - 10:05 pmPHX-SGF
6h 28m1 stop
$251Delta
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Wed, Sep 3 - Sun, Sep 7
American Airlines Logo
2:23 pm - 5:18 pmSGF-PHX
4h 55m1 stop
American Airlines Logo
11:59 pm - 9:49 amPHX-SGF
7h 50m1 stop
$255American Airlines
Find Deal
Thu, Aug 28 - Mon, Sep 1
Frontier Logo
7:54 pm - 11:24 pmSTL-PHX
5h 30m1 stop
Frontier Logo
9:19 pm - 9:11 amPHX-STL
9h 52m1 stop
$256Frontier
Find Deal
Sun, Oct 19 - Fri, Oct 24
Delta Logo
5:45 am - 8:58 amMCI-PHX
5h 13m1 stop
Delta Logo
5:20 pm - 12:21 amPHX-MCI
5h 01m1 stop
$277Delta
Find Deal
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Good to know

Low seasonJune
High seasonMarch
Cheapest flight$64
Best time to beat the crowds but there is an average 1% increase in price.
Most popular time to fly with an average 15% increase in price.
Flight from St. Louis to Phoenix Sky Harbor Airport

FAQs for booking Missouri to Phoenix flights

  • How does KAYAK find such low prices on flights from Missouri to Phoenix?

    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 Missouri to Phoenix.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Phoenix?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Phoenix from Missouri 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 Missouri to Phoenix?

    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 Phoenix with an airline and back to Missouri with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to Phoenix?

    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 Phoenix from Missouri 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 Phoenix

Information on your arrival and departure airports

Phoenix (PHX)

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