Beginning of main content
Trip Type
Flight 1
Flight 2
Flight 3
Flight 4
Flight 5
Due to coronavirus (COVID-19) travel advisories, some destinations may be unavailable for certain dates. Find out more.

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Amazing STL to PHX Flight Deals

The cheapest flights to Sky Harbor Intl. found within the past 7 days were $111 round trip and $52 one way. Prices and availability subject to change. Additional terms may apply.

Flight Schedule for STL to PHX

Carrier Flight Depart STL Arrive PHX Wed
4/1
Thu
4/2
Fri
4/3
Sat
4/4
Sun
4/5
Mon
4/6
Tue
4/7
Stops
AA 2574 07:21 am 09:00 am Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
AA 590 02:43 pm 04:12 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)

FAQs about flights from Lambert-St. Louis Intl. Airport (STL) to Sky Harbor Intl. Airport (PHX)

Are there direct flights from St. Louis Lambert International Airport to Phoenix Sky Harbor Airport?

2 airlines offer passengers nonstop flights from St. Louis, MO Airport (STL-Lambert-St. Louis Intl.) to Phoenix, AZ Airport (PHX-Sky Harbor Intl.). These include Southwest Airlines and American Airlines — check them out if you want to arrive at Phoenix with minimal fuss.

How long is the flight from St. Louis Lambert International Airport to Phoenix Sky Harbor Airport?

The journey between St. Louis, MO Airport (STL-Lambert-St. Louis Intl.) and Phoenix, AZ Airport (PHX-Sky Harbor Intl.) is around 3 hours and 36 minutes. Make your trip enjoyable by saving a few shows on your laptop or tablet and enjoying them with your seat reclined.

What is the flight distance from St. Louis Lambert International Airport to Phoenix Sky Harbor Airport?

There's a flight distance of 1,305 miles (2,100 kilometers) separating St. Louis, MO Airport (STL-Lambert-St. Louis Intl.) and Phoenix, AZ Airport (PHX-Sky Harbor Intl.). This is classified as a medium-haul flight. You'll have lots of time to get engrossed in the in-flight entertainment and squeeze in a snooze if you're feeling weary.

What airlines fly direct from St. Louis Lambert International Airport to Phoenix Sky Harbor Airport?

There are a few airlines that advertise direct flights from St. Louis, MO Airport (STL-Lambert-St. Louis Intl.) to Phoenix, AZ Airport (PHX-Sky Harbor Intl.). Southwest Airlines (WN) is one of the most reliable, offering 128 flights each month. If you want more choice, check out the deals on offer from American Airlines (AA). This airline has 144 flights every month. Between the two, you're bound to find the flight to suit your travel plans.

Flying Tips & TricksHow do I find my flight number?
  • After making your booking, review the itinerary that's been sent to your email inbox. You'll see a code made up of numerals and letters on the first page. You might like to print the document or save it to your laptop for future reference.
How early can you check bags for a flight?
  • To have ample time to drop your baggage, clear customs and arrive at your boarding gate, arrive at the airport approximately three hours before an international flight. If you're traveling domestically, show up around two hours before. Even if you've already picked your seat and received your boarding pass online, it's worth keeping in mind that there are closing times for luggage drop. It's one hour before departure for international flights, and 45 minutes if you're traveling domestically. Of course, times can differ between airlines, so it's wise to check these details when you book.

Lambert-St. Louis Intl. to Sky Harbor Intl. Flight FAQ

Traveling FromLambert-St. Louis Intl.
Traveling ToSky Harbor Intl.
Shortest Flight Time0 hours 40 mins
Earliest Departure Time5:20AM MST
Latest Departure Time6:25PM MST
Lowest Flight Price$111

St. Louis to Phoenix Carriers and Route Information

Flight path for flights from Lambert-St. Louis International Airport to Phoenix Sky Harbor International Airport


Distance:
1,266.00 miles


Airlines & Aircraft Used on STL to PHX Flight Routes


Airline Carrier
Aircraft
American Airlines
Boeing 737 all pax models
American Airlines
Boeing 737-300 pax
United Airlines
Aerospatiale/Alenia ATR 42-500
United Airlines
Airbus A320-100/200
United Airlines
Boeing 737-300 pax
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.