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Did you mean flights from Phoenix to St Louis?

Cheap Flights from St Louis to Phoenix, AZ, United States - STL to PHX Last modified: Jul 23, 2016 1:51 AM

Popular flights from St Louis to Phoenix Last modified: Jul 23, 2016 1:51 AM

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

Frontier
STLPHX
Wed 8/17
1 stop
PHXSTL
Wed 8/24
1 stop
$244
Select
Frontier
STLPHX
Sat 8/27
1 stop
PHXSTL
Tue 8/30
1 stop
$244
Select
Frontier
STLPHX
Sat 9/3
1 stop
PHXSTL
Tue 9/13
1 stop
$244
Select
Frontier
STLPHX
Wed 9/14
1 stop
PHXSTL
Sat 9/17
1 stop
$244
Select
Frontier
STLPHX
Sat 10/8
1 stop
PHXSTL
Wed 10/12
1 stop
$244
Select
American
STLPHX
Wed 9/14
2 stops
PHXSTL
Thu 9/22
2 stops
$310
Select
United
STLPHX
Tue 8/2
2 stops
PHXSTL
Wed 8/17
2 stops
$316
Select
United
STLPHX
Tue 8/16
2 stops
PHXSTL
Fri 8/19
2 stops
$316
Select
United
STLPHX
Thu 8/25
2 stops
PHXSTL
Mon 8/29
2 stops
$316
Select
United
STLPHX
Fri 8/26
2 stops
PHXSTL
Mon 8/29
2 stops
$316
Select
United
STLPHX
Wed 9/14
2 stops
PHXSTL
Mon 9/19
2 stops
$316
Select
Alaska
STLPHX
Wed 9/14
1 stop
PHXSTL
Tue 9/20
1 stop
$368
Select

How Much Does it Cost to Fly from St Louis to Phoenix (STL to PHX)?

We have collected flight cost data from across the web for travel from St Louis to Phoenix, and have found the average flight price for this trip to be $264.

When Can I Buy the Cheapest Flight from St Louis to Phoenix (STL to PHX)?

Airlines can adjust prices for plane tickets from St Louis to Phoenix based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

How far in advance should you book flights from St Louis to Phoenix

The chart below shows up-to-date information regarding how far in advance a flight from St Louis to Phoenix should be booked.

Non Stop versus 1-Stop
Advanced PurchaseNon StopOne Stop
< 7 days $468 $476
7-14 days $317 $319
14-21 days $317 $258
21-30 days $317 $244
30-60 days $317 $244
60-90 days $317 $244
90+ days $317 $244

Cheapest Day To Fly from St Louis to Phoenix

The chart below shows up-to-date information regarding the cheapest days to fly from St Louis to Phoenix.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$278 $244 $244 $261 $278 $244 $294

Lowest Fares Chart By Month from St Louis to Phoenix

The chart below shows the lowest fare by month when flying from St Louis to Phoenix.

Month Origin Destination Carrier Depart Date Return Date Stops Price
July St Louis Phoenix Frontier 7/30/16 8/1/16 1 $392
August St Louis Phoenix Frontier 8/17/16 8/24/16 1 $244
September St Louis Phoenix Frontier 9/3/16 9/13/16 1 $244
October St Louis Phoenix Frontier 10/8/16 10/12/16 1 $244
November St Louis Phoenix Frontier 11/12/16 11/19/16 1 $244
December St Louis Phoenix Frontier 12/7/16 12/14/16 1 $244
January St Louis Phoenix Frontier 1/7/17 1/14/17 1 $244
February St Louis Phoenix American 2/2/17 2/6/17 0 $317

Cheapest Weekend Non-Stop Flights for the Next 30 Days from St Louis to Phoenix

If you're ready to take a trip in the next 30 days and want to fly on the weekend, you might be wondering which weekend is the cheapest to fly. The chart below shows up-to-date data regarding weekend flight prices from St Louis to Phoenix.

Next 30 Days

SunMonTueWedThuFriSat
24 25 26 27 28 29 30
$468
31 1 2 3 4 5 6
$468 $337
7 8 9 10 11 12 13
$337 $327
14 15 16 17 18 19 20
$327 $317
21 22 23 24 25 26 27
$317 $317
28 29 30 31 1 2 3
$317

Non-Stop vs Connecting Flights from St Louis to Phoenix (STL to PHX)

Your St Louis to Phoenix flight can be significantly cheaper by choosing a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.

The average price for connecting flights from St Louis to Phoenix is $311.

The average price for non-stop flights from St Louis to Phoenix is $317.

The chart below shows up to date information regarding non-stop flights from St Louis to Phoenix.

Nonstop Flight Details from St Louis to Phoenix
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
American 3 3 3 3 3 3 4 07:29 20:40

St Louis to Phoenix Flight Questions

Below are some common questions that asked about this flight route:

Question: How long is a direct flight from St Louis to Phoenix?
Answer: The average St Louis to Phoenix flight time is 3 hours and 18 minutes.
Question: How many miles are there between St Louis and Phoenix?
Answer: The distance from St Louis to Phoenix is 1258 miles.
Question: How common are direct flights from St Louis to Phoenix?
Answer: There are 22 direct flights from St Louis to Phoenix.
Question: What is the most popular airline for non-stop flights from St Louis to Phoenix?
Answer: American Airlines provides 100% of the non-stop flights between St Louis and Phoenix.
Question: What are the most popular connecting cities when flying from St Louis to Phoenix?
Answer: Denver, CO

Airports for Your Route

These pages contain information about the major airports in St Louis and Phoenix, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Cheap Domestic Flights from St Louis - STL

FlightsAirlineLowest Price
St Louis to Las Vegas American, Alaska, Frontier, United $97
St Louis to Los Angeles American, Alaska, Frontier, United $244
St Louis to Tucson American, Alaska, United $395
St Louis to Dallas - Ft Worth American, Alaska, United $209
St Louis to San Diego American, Alaska, Frontier, United $244
St Louis to Denver American, Alaska, Frontier, United $97
St Louis to Chicago American, Alaska, United $211
St Louis to San Francisco American, Alaska, Frontier, United $244
St Louis to Grand Canyon American, Alaska, United $334
St Louis to Atlanta American, Alaska, Frontier, United $67
St Louis to Albuquerque American, Alaska, United $338
St Louis to New York American, Alaska, United $199
St Louis to Palm Springs American, Alaska, United $354
St Louis to Yuma American, Alaska $326

Cheap Domestic Flights to Phoenix - PHX

FlightsAirlineLowest Price
Peoria to Phoenix American, United $254
Moline to Phoenix American, United $244
Springfield to Phoenix American, United $368
Bloomington - Normal to Phoenix American $344
Evansville to Phoenix American, United $389
Champaign to Phoenix American $319
Springfield to Phoenix American, United $392
Peoria to Las Vegas American, United $304
Springfield to Las Vegas American, Alaska, United $392
Moline to Las Vegas American, Alaska, United $322
Springfield to Las Vegas American, United $304
Evansville to Las Vegas American, United $409
Champaign to Las Vegas American $295
Springfield to Tucson American, Alaska, United $672
Peoria to Tucson American, United $392
Bloomington - Normal to Los Angeles American $284
Cheap Flights from St Louis to Phoenix, AZ, United States, from $244 Round trip from STL to PHX