Cheap Flight Tickets from St Louis (STL) to Phoenix (PHX), Starting at $328

Good to Know: Cheapest and Fastest STL - PHX Flights

Useful information for finding best airline tickets from Lambert St Louis International to Phoenix Sky Harbor International on your next trip.

Cheapest Round Trip Flight

$564

WN Southwest Airlines • 1 stop • 8h 30m

Jul 20 – Jul 27

The cheapest round trip flight from St Louis to Phoenix (STL-PHX-STL) is currently $564

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Cheapest Direct Flight

$328

WN Southwest Airlines • nonstop • 5h 15m

Jul 31

The cheapest nonstop flight from St Louis to Phoenix (STL-PHX) is currently $328

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Fastest Flight

5h 10m

The fastest nonstop flight from St Louis to Phoenix (STL-PHX) takes 5h 10m

Top Airlines Flying from St Louis to Phoenix

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

Latest Flight Deals from St Louis (STL) to Phoenix (PHX)

Compare and book low fare round-trip air tickets from St Louis to Phoenix. Ideal for travelers with confirmed return itineraries.

Jul 20 - Jul 27, Economy
WN
St Louis → Phoenix
8h 30m
8:10 AM - 11:20 AM • 1 stop
WN
St Louis → Phoenix
8h 30m
5:00 AM - 12:10 PM • 1 stop
$564
Southwest Airlines
Jul 20 - Jul 27, Economy
DL
St Louis → Phoenix
15h 36m
10:19 AM - 5:55 PM • 1 stop
DL
St Louis → Phoenix
12h 11m
1:51 PM - 11:22 PM • 1 stop
$604
Delta Airlines
Jul 20 - Jul 27, Economy
DL
St Louis → Phoenix
14h 1m
3:58 PM - 10:39 PM • 1 stop
DL
St Louis → Phoenix
20h 13m
9:40 AM - 11:53 PM • 2 stops
$694
Delta Airlines
Jul 20 - Jul 27, Economy
DL
St Louis → Phoenix
22h 25m
7:08 AM - 6:53 PM • 1 stop
DL
St Louis → Phoenix
20h 13m
9:40 AM - 11:53 PM • 2 stops
$706
Delta Airlines
Jul 20 - Jul 27, Economy
DL
St Louis → Phoenix
18h 49m
9:24 AM - 6:53 PM • 1 stop
DL
St Louis → Phoenix
20h 13m
9:40 AM - 11:53 PM • 2 stops
$706
Delta Airlines
Jul 20 - Jul 27, Economy
DL
St Louis → Phoenix
16h 44m
8:00 AM - 4:04 PM • 1 stop
DL
St Louis → Phoenix
12h 11m
1:51 PM - 11:22 PM • 1 stop
$711
Delta Airlines

Fly from St Louis to Phoenix with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from St Louis to Phoenix? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on St Louis to Phoenix Flights

What are the airports in St Louis?
STL
What’s the most popular airline flying from STL to PHX?
The most popular airline flying from St Louis to Phoenix are
Can I fly from STL to PHX non-stop?
Yes, you can fly STL to PHX non-stop on
Which airlines fly nonstop between St Louis and Phoenix?
The non-stop flights between St Louis and Phoenix are .
What’s the earliest departure time from STL to PHX Airport?
The earliest flight leaves STL at 5:45 am and lands in PHX - Phoenix Sky Harbor International
What are the airports in Phoenix?
PHX
Can I make changes to my St Louis to Phoenix flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from STL to PHX?
Read the fare rules of the St Louis to Phoenix air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from St Louis and Phoenix?
operate flights between St Louis and Phoenix
How long does a flight from St Louis to Phoenix take?
It takes approximately 3 hour to fly non-stop from STL to PHX, which is 1261.81 miles by air.
Which airlines provide the cheapest flights from St Louis (STL) to Phoenix (PHX) ?
In the past couple of days, the cheapest tickets to PHX from STL were found on WN : USD 564
Do I need a passport to fly between STL and PHX?
No
What’s the latest departure time from STL to PHX ?
The last flight leaves STL at 9:45 pm

St Louis (STL) to Phoenix (PHX): Airport Information

Origin Airport Lambert St Louis International , St Louis, US
Destination Airport Phoenix Sky Harbor International , Phoenix, US
Distance 1262 miles

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