Flights from St. Louis Flights to Phoenix

Direct flights from St. Louis to Phoenix

Did you mean flights from Phoenix to St. Louis?

Last updated on: 04-02-2026

St. Louis

United States

STL

Lambert-Saint Louis International Airport

Phoenix

United States

PHX

Phoenix Sky Harbor International Airport

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Flight schedule

Distance

1,258 miles · (2,025 km)

Flight time

3 hours and 10 minutes

Airlines

American Airlines
Frontier Airlines
Southwest Airlines

Alliances

Oneworld
SkyTeam
Star Alliance

Classes

Economy
Premium Economy
Business Class
First Class

Aircrafts

Airbus A319
Airbus A320-100/200
Airbus A320neo
Boeing 737 MAX 8
Boeing 737-800
Boeing 737-800 (winglets)
Boeing 757
Embraer 175

St. Louis to Phoenix Flight Schedule

Scan through all non-stop flights from St. Louis to Phoenix. The full flight schedule below gives an overview of all non-stop flights from STL to PHX, which includes the daily timetable of every operating airline for the upcoming 12 months.

Note: for airline-specific flight schedules, please scroll further down.

Return schedule

Best time to visit Phoenix

What is the best time to visit Phoenix?

🏜️ Desert

Desert destinations like Phoenix are known for their hot days, with temperatures frequently exceeding 40°C (104°F), but cooler nights. With very little rainfall, these locations are famous for their extreme weather, breathtaking scenery, and the cultural heritage of their inhabitants. Despite the harsh living conditions, they provide a remarkable mix of adventure, calmness, and stunning landscapes, making them wonderful places to explore.

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Phoenix is a wonderful destination to explore throughout the year, but it's advisable to avoid the summer months due to the intense heat. For a more enjoyable visit, plan your trip between September and May.

Phoenix

PHX

Airlines flying from St. Louis to Phoenix

Airline-specific flight schedules from St. Louis to Phoenix

In total there are 3 airlines operating nonstop flights from St. Louis STL to Phoenix PHX. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.

Click an airline below to view their STL PHX flight schedule.

American Airlines (AA)

Frontier Airlines (F9)

Southwest Airlines (WN)

American Airlines flight schedulefrom St. Louis to Phoenix

American Airlines is a member of Oneworld

Return schedule

Frontier Airlines flight schedulefrom St. Louis to Phoenix

Return schedule

Southwest Airlines flight schedulefrom St. Louis to Phoenix

Return schedule

St. Louis to Phoenix Flights

Flights from STL to PHX are operated 47 times a week, with an average of 7 flights per day. Departure times vary between 05:05 - 21:55. The earliest flight departs at 05:05, the last flight departs at 21:55. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.

You can fly in Economy and Business Class. Premium Economy and First Class are not available on this route (at least not as a non-stop flight).

The fastest direct flight from St. Louis to Phoenix takes 3 hours and 10 minutes. The flight distance between St. Louis and Phoenix is 1,258 miles (or 2,025 km).

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