Lowest Prices
Uncover the best deals on Phoenix to St Louis flights by comparing fares from hundreds of airlines and agencies.
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
$475
Southwest Airlines
• nonstop
• 4h 10m
Nov 27 – Dec 01
The cheapest round trip flight from Phoenix to St Louis (PHX-STL-PHX) is currently $475
Cheapest Direct Flight
$475
Southwest Airlines
• nonstop
• 4h 10m
Nov 27
The cheapest nonstop flight from Phoenix to St Louis (PHX-STL) is currently $475
Fastest Flight
4h 5m
The fastest nonstop flight from Phoenix to St Louis (PHX-STL) takes 4h 5m
Top Airlines Flying from Phoenix to St Louis
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.
Nov 27 - Dec 01, Economy
Phoenix → St Louis
4h 10m
3:10 PM - 7:00 PM • nonstop
Phoenix → St Louis
5h 20m
4:00 PM - 6:20 PM • nonstop
Southwest Airlines
Nov 27 - Dec 01, Economy
Phoenix → St Louis
9h 5m
5:50 PM - 12:35 AM • 1 stop
Phoenix → St Louis
5h 25m
8:20 PM - 10:45 PM • nonstop
Southwest Airlines
Nov 27 - Dec 01, Economy
Phoenix → St Louis
10h 25m
6:05 AM - 1:30 PM • 1 stop
Phoenix → St Louis
5h 25m
8:20 PM - 10:45 PM • nonstop
Southwest Airlines
Nov 27 - Dec 01, Economy
Phoenix → St Louis
7h 10m
11:45 AM - 5:15 PM • 1 stop
Phoenix → St Louis
5h 25m
5:55 AM - 8:20 AM • nonstop
Southwest Airlines
Nov 27 - Dec 01, Economy
Phoenix → St Louis
4h 13m
7:56 PM - 11:49 PM • nonstop
Phoenix → St Louis
5h 41m
7:58 AM - 10:39 AM • nonstop
American Airlines
Looking for the fastest way to St Louis? These direct flight options from PHX to STL offer both convenience and value—no layovers, just straight to your destination.
Nov 27 - Dec 01, Economy
Phoenix → St Louis
4h 10m
3:10 PM - 7:00 PM • nonstop
Phoenix → St Louis
5h 20m
4:00 PM - 6:20 PM • nonstop
Southwest Airlines
Nov 27 - Dec 01, Economy
Phoenix → St Louis
4h 5m
5:45 AM - 9:30 AM • nonstop
Phoenix → St Louis
5h 25m
5:55 AM - 8:20 AM • nonstop
Southwest Airlines
Nov 27 - Dec 01, Economy
Phoenix → St Louis
4h 15m
8:25 PM - 12:20 AM • nonstop
Phoenix → St Louis
5h 20m
4:00 PM - 6:20 PM • nonstop
Southwest Airlines
Nov 27 - Dec 01, Economy
Phoenix → St Louis
4h 10m
12:40 PM - 4:30 PM • nonstop
Phoenix → St Louis
5h 25m
8:20 PM - 10:45 PM • nonstop
Southwest Airlines
Nov 27 - Dec 01, Economy
Phoenix → St Louis
4h 13m
7:56 PM - 11:49 PM • nonstop
Phoenix → St Louis
5h 41m
7:58 AM - 10:39 AM • nonstop
American Airlines
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 5:45 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 WN : USD 485
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 8:25 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 |
More Flight Options for Phoenix (PHX) and St Louis (STL)
Flights from Phoenix (PHX)
to Minneapolis (MSP)
Flights from Phoenix (PHX)
to Minneapolis (MSP)
Flights from Phoenix (PHX)
to Las Vegas (LAS)
Flights from Phoenix (PHX)
to Indianapolis (IND)
Flights from Phoenix (PHX)
to Dallas (DFW)
Flights from Phoenix (PHX)
to Dallas (DFW)
Flights from Phoenix (PHX)
to Raleigh/Durham (RDU)
Flights from Phoenix (PHX)
to Mexico City (MEX)
Flights from Phoenix (PHX)
to Chicago (ORD)
Flights from Phoenix (PHX)
to Salt Lake City (SLC)
Flights from Phoenix (PHX)
to Denver (DEN)
Flights from Phoenix (PHX)
to San Francisco (SFO)
Flights from Phoenix (PHX)
to San Diego (SAN)
Flights from Phoenix (PHX)
to Chicago (MDW)
Flights from Phoenix (PHX)
to Charlotte (CLT)
Flights from Phoenix (PHX)
to Miami (MIA)
Flights from Phoenix (PHX)
to Orlando (MCO)
Flights from Phoenix (PHX)
to Los Angeles (LAX)
Flights from Phoenix (PHX)
to Philadelphia (PHL)
Flights from Phoenix (PHX)
to Burbank (BUR)
Flights from Detroit (DTW)
to St Louis (STL)
Flights from Austin (AUS)
to St Louis (STL)
Flights from Seattle (SEA)
to St Louis (STL)
Flights from Houston (IAH)
to St Louis (STL)
Flights from Minneapolis (MSP)
to St Louis (STL)
Flights from Minneapolis (MSP)
to St Louis (STL)
Flights from Fort Myers (RSW)
to St Louis (STL)
Flights from Phoenix (PHX)
to St Louis (STL)
Flights from Washington (DCA)
to St Louis (STL)
Flights from Denver (DEN)
to St Louis (STL)
Flights from Dallas (DAL)
to St Louis (STL)
Flights from Charlotte (CLT)
to St Louis (STL)
Flights from Las Vegas (LAS)
to St Louis (STL)
Flights from Miami (MIA)
to St Louis (STL)
Flights from Tampa (TPA)
to St Louis (STL)
Flights from Sarasota/Bradenton (SRQ)
to St Louis (STL)
Flights from Dallas (DFW)
to St Louis (STL)
Flights from San Juan (SJU)
to St Louis (STL)
Flights from Buffalo (BUF)
to St Louis (STL)
Flights from Ontario (ONT)
to St Louis (STL)
Cheap flights to North America (NA)
Cheap flights to United States (US)
Cheap flights to Arizona (US-AZ)
Cheap flights to Missouri (US-MO)
Cheap flights from North America (NA)
Cheap flights from United States (US)
Cheap flights from Arizona (US-AZ)
Cheap flights from Missouri (US-MO)
Flights to Phoenix (PHX)
Flights to St Louis (STL)
Flights from Phoenix (PHX)
Flights from St Louis (STL)
Flights from St Louis (STL)
to Phoenix (PHX)
Why Fareleaders for PHX to STL Plane Tickets
New Deals Everyday
Get the best prices on PHX to STL flights—we update our fares daily so you never miss a saving.
No Service Fees
Compare hundreds of Phoenix to St Louis flights and secure the best deals—we never add any service fees.