Direct (non-stop) flights from Saint Louis (STL) to Phoenix (PHX)
Find comprehensive flight information, schedules, and booking details for direct flights from Saint Louis (STL) to Phoenix (PHX). This popular route is operated by 3 airlines, offering multiple daily departures.• Flight Duration: 3h 10m - 3h 47m (average flight time)• Distance: 1266 miles (2037 km) (air miles between airports)• Daily Flights: 4-13 flights (scheduled departures per day)
Saint Louis (STL)
Phoenix (PHX)
FLIGHT TIME
3h 10m - 3h 47m
FLIGHT DISTANCE
1266 miles (2037 km)
3h 25m - 3h 36m
05:00
22:45
1266 miles (2037 km)
April
3 (Show)
55
Flight Schedule
December 2025
Airlines with direct flights from Saint Louis (STL) to Phoenix (PHX)
Route Insights
Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 3h 10m - 3h 47m.
Pricing patterns: April typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 7:00, 5:00, 13:00, offering more flight options and potentially better connections.
Saint Louis (STL) - Phoenix (PHX) flight price statistics
$417
ApproximateThe numbers are average prices found based on user searches for direct flights between the airports. It's calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.
$399
Jan$302
Feb$379
Mar$262
Apr$282
May$455
Jun$578
Jul$400
Aug$652
Sep$452
Oct$440
Nov$408
DecRelated Information
Airports: STL • PHX Airport
Airlines operating this route: Southwest Airlines (WN), American Airlines, Frontier Airlines
Frequently Asked Questions
How many flights operate from STL to PHX?
There are 9 direct flights operating from STL to PHX. Approximately 4-13 flights daily.
Which airlines operate flights from STL to PHX?
3 airlines operate on this route: Southwest Airlines, American Airlines, Frontier Airlines.
How long is the flight from STL to PHX?
The flight duration from STL to PHX is approximately 3h 10m - 3h 47m.
What is the distance from STL to PHX?
The distance from STL to PHX is 1266 miles (2037 km).
What is the flight time range for this route?
Flight times on this route range from 3h 25m - 3h 36m.
What are the earliest and latest flight departure times?
The earliest flight departs at 05:00 and the latest flight departs at 22:45.
What is the cheapest month to fly from STL to PHX?
April is typically the cheapest month to fly on this route.
How many flights operate per week on this route?
Approximately 55 flights operate per week from STL to PHX.
What types of aircraft operate on this route?
This route is served by Boeing 737MAX 8 Passenger, Airbus A319, Boeing 737-800 (winglets) Passenger/BBJ2, Airbus A320, Airbus A320neo.
What is the average flight price from STL to PHX?
The average flight price for a round-trip ticket from STL to PHX is approximately $417 USD. Prices can vary based on booking time, season, and airline.
When is the best time to book flights from STL to PHX for the lowest prices?
April is typically the cheapest month to fly from STL to PHX. Booking in advance and avoiding peak travel seasons can help you find better deals.
How many airlines offer flights from STL to PHX?
3 airlines offer direct flights from STL to PHX, providing travelers with multiple options for scheduling and pricing.
How far is PHX from STL?
The distance from STL to PHX is 1266 miles (2037 km). This is a long-haul flight route.
How long does it take to fly from STL to PHX?
The flight time from STL to PHX is approximately 3h 10m - 3h 47m. Actual flight duration may vary based on weather conditions, aircraft type, and routing.