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Cheap flights from St Louis to Phoenix (STL - PHX)

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The best prices from St Louis to Phoenix are usually found in January or September, booked 37 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

$360
$340
$330
$311
Price
$311 - $360
Temperature
68 - 108 °F
Rainfall
0 - 1 inches
Most popular in December High demand for flights, 1% potential price rise
Cheapest in January Best time to find cheap flights, 1% potential price drop
Average price $311 Price for this month
Cheapest price $311 From St Louis to Phoenix

Cheap flights from St Louis to Phoenix in January 2020

The best prices found for STL to PHX flights for January
29 Jan - 4 Feb
$209pp
STL
Lambert-St Louis
Frontier
 
1 STOP
PHX
Phoenix Sky Harbor Intl
PHX
Phoenix Sky Harbor Intl
Frontier
 
1 STOP
STL
Lambert-St Louis
27 Jan - 29 Jan
$212pp
STL
Lambert-St Louis
Frontier
 
1 STOP
PHX
Phoenix Sky Harbor Intl
PHX
Phoenix Sky Harbor Intl
Frontier
 
1 STOP
STL
Lambert-St Louis
31 Jan - 4 Feb
$227pp
STL
Lambert-St Louis
Frontier
 
1 STOP
PHX
Phoenix Sky Harbor Intl
PHX
Phoenix Sky Harbor Intl
Frontier
 
1 STOP
STL
Lambert-St Louis

St Louis to Phoenix 2020 flight deals

Cheap flights to Phoenix from St Louis found for this year
2 Mar - 6 Mar
$163pp
STL
Lambert-St Louis
American Airlines
Non-Stop
PHX
Phoenix Sky Harbor Intl
PHX
Phoenix Sky Harbor Intl
American Airlines
Non-Stop
STL
Lambert-St Louis
22 Feb - 25 Feb
$183pp
STL
Lambert-St Louis
Frontier
 
1 STOP
PHX
Phoenix Sky Harbor Intl
PHX
Phoenix Sky Harbor Intl
Frontier
   
2 STOPS
STL
Lambert-St Louis
10 Mar - 17 Mar
$205pp
STL
Lambert-St Louis
Frontier
 
1 STOP
PHX
Phoenix Sky Harbor Intl
PHX
Phoenix Sky Harbor Intl
Frontier
 
1 STOP
STL
Lambert-St Louis

Non-stop flights to Phoenix from St Louis

Save time with St Louis to Phoenix direct flight deals
10 Feb - 14 Feb
$163pp
STL
Lambert-St Louis
American Airlines
Non-Stop
PHX
Phoenix Sky Harbor Intl
PHX
Phoenix Sky Harbor Intl
American Airlines
Non-Stop
STL
Lambert-St Louis

Last minute flights from St Louis to Phoenix

Late deals on round-trip flights to Phoenix from St Louis, departing today and this week
25 Jan - 28 Jan
$179pp
STL
Lambert-St Louis
Frontier
 
1 STOP
PHX
Phoenix Sky Harbor Intl
PHX
Phoenix Sky Harbor Intl
Frontier
 
1 STOP
STL
Lambert-St Louis
27 Jan - 29 Jan
$212pp
STL
Lambert-St Louis
Frontier
 
1 STOP
PHX
Phoenix Sky Harbor Intl
PHX
Phoenix Sky Harbor Intl
Frontier
 
1 STOP
STL
Lambert-St Louis
24 Jan - 25 Jan
$251pp
STL
Lambert-St Louis
Frontier
 
1 STOP
PHX
Phoenix Sky Harbor Intl
PHX
Phoenix Sky Harbor Intl
Frontier
 
1 STOP
STL
Lambert-St Louis

Alternative routes for St Louis to Phoenix

Destination information for Phoenix

Things to know before you go. Useful info for your trip from St Louis to Phoenix
Average temperature for January in Phoenix
68.0 °F
Avg rainfall for January in Phoenix
1.1 ″

Airports servicing St. Louis

Airports servicing Phoenix

Weekly flight availability
from St Louis to Phoenix
Sunday
10 daily flights
Monday
11 daily flights
Tuesday
11 daily flights
Wednesday
11 daily flights
Thursday
11 daily flights
Friday
11 daily flights
Saturday
1 daily flight

Related info for your journey

Useful info, stats and facts about St Louis to Phoenix flights.

Flight FAQs

From St Louis to Phoenix

What days are nonstop flights available from St Louis to Phoenix?

You can find nonstop flights on the following days: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.

How popular is this flight route?

The Lambert-St Louis to Phoenix Sky Harbor Intl flight path was viewed by 102 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What percent of flights are delayed?

Based on our current data flights from St Louis to Phoenix are usually delayed by up to 19min. or more.

How many passenger seats are available on a flight on this route?

On average, there are a total of 752 seats offered from Lambert-St Louis to Phoenix Sky Harbor Intl per day.

What is the cheapest airline for this route?

When searching, try setting your filters to view flights for US Airways, as currently they have the cheapest options available from St Louis to Phoenix. On average you can find 87 flights for this flight path daily.

How long does the flight from St Louis to Phoenix take?

You can expect a flight time of up to 4 hours for nonstop. Airlines will travel a distance of up to 787 miles.

How many flights depart from St Louis to Phoenix on average per day?

On average 14 flights depart from Lambert-St Louis to Phoenix Sky Harbor Intl per day.
Early Morning (Midnight to 6am) - 14% of flight departures
Morning (6am - Noon) - 36% of flight departures
Afternoon (Noon - 6pm) - 29% of flight departures
Evening (6pm - Midnight) - 21% of flight departures

Does it rain more in St Louis or Phoenix?

St Louis will have greater rainfall in 0 compared to Phoenix over the next 15 days.

Is St Louis weather warmer or cooler than Phoenix?

Temperatures around the 108 °F's can be experienced in July. The weather in Phoenix is hotter than in St Louis. Plan for potential changes in flight availability as peak weather approaches in this location.