Cheap Flight Tickets from Phoenix (PHX) to St Louis (STL), Starting at $379

Good to Know: Cheapest and Fastest PHX - STL Flights

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

Cheapest Round Trip Flight

$397

DL Delta Airlines • 1 stop • 8h 53m

Jul 21 – Jul 27

The cheapest round trip flight from Phoenix to St Louis (PHX-STL-PHX) is currently $397

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Cheapest Direct Flight

$379

WN Southwest Airlines • nonstop • 4h 10m

Aug 07

The cheapest nonstop flight from Phoenix to St Louis (PHX-STL) is currently $379

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Fastest Flight

4h 10m

The fastest nonstop flight from Phoenix to St Louis (PHX-STL) takes 4h 10m

Top Airlines Flying from Phoenix to St Louis

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Alaska Airlines -AS

Alaska Airlines

Aeromexico Airline (AM)

Aeromexico

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

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

Jul 21 - Jul 27, Economy
DL
Phoenix → St Louis
8h 53m
6:00 AM - 1:33 PM • 1 stop
DL
Phoenix → St Louis
10h 22m
6:21 AM - 10:43 AM • 1 stop
$397
Delta Airlines
Jul 21 - Jul 27, Economy
DL
Phoenix → St Louis
8h 56m
5:05 PM - 12:41 AM • 1 stop
DL
Phoenix → St Louis
26h 42m
6:58 PM - 9:00 AM • 2 stops
$460
Delta Airlines
Jul 21 - Jul 27, Economy
WN
Phoenix → St Louis
5h
4:45 PM - 9:45 PM • nonstop
WN
Phoenix → St Louis
5h 15m
7:20 AM - 8:35 AM • nonstop
$510
Southwest Airlines
Jul 21 - Jul 27, Economy
WN
Phoenix → St Louis
8h 45m
4:30 PM - 11:55 PM • 1 stop
WN
Phoenix → St Louis
7h 10m
4:45 PM - 7:15 PM • 1 stop
$529
Southwest Airlines
Jul 21 - Jul 27, Economy
WN
Phoenix → St Louis
8h 45m
2:30 PM - 9:55 PM • 1 stop
WN
Phoenix → St Louis
7h 10m
4:45 PM - 7:15 PM • 1 stop
$529
Southwest Airlines
Jul 21 - Jul 27, Economy
DL
Phoenix → St Louis
13h 58m
7:15 AM - 5:53 PM • 1 stop
DL
Phoenix → St Louis
10h 22m
6:21 AM - 10:43 AM • 1 stop
$567
Delta Airlines

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

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

FAQs on Phoenix to St Louis Flights

What are the airports in Phoenix?
PHX
What’s the most popular airline flying from PHX to STL?
The most popular airline flying from Phoenix to St Louis are
Can I fly from PHX to STL non-stop?
Yes, you can fly PHX to STL non-stop on
Which airlines fly nonstop between Phoenix and St Louis?
The non-stop flights between Phoenix and St Louis are .
What’s the earliest departure time from PHX to STL Airport?
The earliest flight leaves PHX at 5:00 am and lands in STL - Lambert St Louis International
What are the airports in St Louis?
STL
Can I make changes to my Phoenix to St Louis 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 PHX to STL?
Read the fare rules of the Phoenix to St Louis 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 Phoenix and St Louis?
operate flights between Phoenix and St Louis
How long does a flight from Phoenix to St Louis take?
It takes approximately 3 hour to fly non-stop from PHX to STL, which is 1261.81 miles by air.
Which airlines provide the cheapest flights from Phoenix (PHX) to St Louis (STL) ?
In the past couple of days, the cheapest tickets to STL from PHX were found on DL : USD 567
Do I need a passport to fly between PHX and STL?
No
What’s the latest departure time from PHX to STL ?
The last flight leaves PHX at 6:35 pm

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

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

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