Direct (non-stop) flights from Phoenix (PHX) to Saint Louis (STL)
Find comprehensive flight information, schedules, and booking details for direct flights from Phoenix (PHX) to Saint Louis (STL). This popular route is operated by 3 airlines, offering multiple daily departures.• Flight Duration: 2h 45m - 3h 17m (average flight time)• Distance: 1266 miles (2037 km) (air miles between airports)• Daily Flights: 4-13 flights (scheduled departures per day)
Phoenix (PHX)
Saint Louis (STL)
FLIGHT TIME
2h 45m - 3h 17m
FLIGHT DISTANCE
1266 miles (2037 km)
2h 50m - 3h 4m
06:35
20:45
1266 miles (2037 km)
April
3 (Show)
44
Flight Schedule
December 2025
Airlines with direct flights from Phoenix (PHX) to Saint Louis (STL)
Route Insights
Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 2h 45m - 3h 17m.
Pricing patterns: April typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 6:00, 8:00, 9:00, offering more flight options and potentially better connections.
Phoenix (PHX) - Saint Louis (STL) flight price statistics
$472
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.
$513
Jan$448
Feb$321
Mar$280
Apr$606
May$652
Jun$629
Jul$583
Aug$495
Sep$376
Oct$354
Nov$408
DecRelated Information
Airports: PHX • STL Airport
Airlines operating this route: Southwest Airlines (WN), American Airlines, Frontier Airlines
Frequently Asked Questions
How many flights operate from PHX to STL?
There are 9 direct flights operating from PHX to STL. Approximately 4-13 flights daily.
Which airlines operate flights from PHX to STL?
3 airlines operate on this route: Southwest Airlines, American Airlines, Frontier Airlines.
How long is the flight from PHX to STL?
The flight duration from PHX to STL is approximately 2h 45m - 3h 17m.
What is the distance from PHX to STL?
The distance from PHX to STL is 1266 miles (2037 km).
What is the flight time range for this route?
Flight times on this route range from 2h 50m - 3h 4m.
What are the earliest and latest flight departure times?
The earliest flight departs at 06:35 and the latest flight departs at 20:45.
What is the cheapest month to fly from PHX to STL?
April is typically the cheapest month to fly on this route.
How many flights operate per week on this route?
Approximately 44 flights operate per week from PHX to STL.
What types of aircraft operate on this route?
This route is served by Boeing 737-700 (winglets) Passenger/BBJ1, Boeing 737MAX 8 Passenger, Airbus A320, Airbus A320neo, Airbus A319.
What is the average flight price from PHX to STL?
The average flight price for a round-trip ticket from PHX to STL is approximately $472 USD. Prices can vary based on booking time, season, and airline.
When is the best time to book flights from PHX to STL for the lowest prices?
April is typically the cheapest month to fly from PHX to STL. Booking in advance and avoiding peak travel seasons can help you find better deals.
How many airlines offer flights from PHX to STL?
3 airlines offer direct flights from PHX to STL, providing travelers with multiple options for scheduling and pricing.
How far is STL from PHX?
The distance from PHX to STL is 1266 miles (2037 km). This is a long-haul flight route.
How long does it take to fly from PHX to STL?
The flight time from PHX to STL is approximately 2h 45m - 3h 17m. Actual flight duration may vary based on weather conditions, aircraft type, and routing.