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Cheap Flights from Phoenix to St Louis, MO, United States - PHX to STL Last modified: May 24, 2016 1:35 PM

Popular flights from Phoenix to St Louis Last modified: May 24, 2016 1:35 PM

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.

Alaska Airlines
Departure Date Return Date Lowest Price
Sep 1, 2016 Sep 8, 2016 $553
American Airlines
Departure Date Return Date Lowest Price
Aug 30, 2016 Sep 6, 2016 $409
Sep 8, 2016 Sep 12, 2016 $409
Sep 12, 2016 Sep 21, 2016 $409
United Airlines
Departure Date Return Date Lowest Price
Sep 8, 2016 Sep 12, 2016 $417

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

We have collected flight cost data from across the web for travel from Phoenix to St Louis, and have found the average flight price for this trip to be $438.

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

Airlines can adjust prices for plane tickets from Phoenix to St Louis 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 Phoenix to St Louis

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

Non Stop versus 1-Stop
Advanced PurchaseNon StopOne Stop
< 7 days $869 $613
7-14 days $411 $419
14-21 days $411 $419
21-30 days $438 $456
30-60 days $465 $473
60-90 days $465 $423
90+ days $409 $417

Cheapest Day To Fly from Phoenix to St Louis

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

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$485 $411 $438 $417 $438 $411 $465

Lowest Fares Chart By Month from Phoenix to St Louis

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

Month Origin Destination Carrier Depart Date Return Date Stops Price
May Phoenix St Louis American 5/29/16 6/2/16 2 $496
June Phoenix St Louis American 6/7/16 6/14/16 0 $411
July Phoenix St Louis American 7/6/16 7/12/16 0 $465
August Phoenix St Louis American 8/30/16 9/6/16 0 $409
September Phoenix St Louis American 9/8/16 9/12/16 0 $409
October Phoenix St Louis American 10/12/16 10/19/16 0 $409
November Phoenix St Louis American 11/19/16 11/24/16 0 $411
December Phoenix St Louis American 12/20/16 12/26/16 0 $465

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

Your Phoenix to St Louis 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 Phoenix to St Louis is $490.

The average price for non-stop flights from Phoenix to St Louis is $438.

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

Nonstop Flight Details from Phoenix to St Louis
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
American 4 3 4 4 4 4 4 08:46 23:55

Round Trip vs One Way Flights from Phoenix to St Louis (PHX to STL)

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Phoenix to St Louis. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from Phoenix to St Louis is $244.

The average price for round trip flights from Phoenix to St Louis is $484.

Phoenix to St Louis Flight Questions

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

Question: How long is a direct flight from Phoenix to St Louis?
Answer: The average Phoenix to St Louis flight time is 2 hours and 57 minutes.
Question: How many miles are there between Phoenix and St Louis?
Answer: The distance from Phoenix to St Louis is 1258 miles.
Question: How common are direct flights from Phoenix to St Louis?
Answer: There are 27 direct flights from Phoenix to St Louis.
Question: What is the most popular airline for non-stop flights from Phoenix to St Louis?
Answer: American Airlines provides 100% of the non-stop flights between Phoenix and St Louis.
Question: What are the most popular connecting cities when flying from Phoenix to St Louis?
Answer: Chicago, IL

Airlines Flying from Phoenix to St Louis (PHX to STL) Number of flights searched: 172Last modified: May 24, 2016 1:35 PM

Below are the different airlines that fly from Phoenix to St Louis with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary of the next 30 days for flights from Phoenix to St Louis.

Phoenix to St Louis
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American - X X X X X X X
American DFW X X X X X X X
Alaska SEA X X X X X X X
Delta ATL X X X X X X X
Delta LAX / SLC X X X X X X X
United ORD X X X X X X X
Southwest - X X X X X X X
Southwest ICT X X X X X X X

Airports for Your Route

These pages contain information about the major airports in Phoenix and St Louis, 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 Phoenix - PHX

FlightsAirlineLowest Price
Phoenix to Chicago American, Alaska, Frontier, Spirit, United $127
Phoenix to New York American, Alaska, JetBlue, Frontier, Spirit, Sun Country, United $259
Phoenix to Dallas - Ft Worth American, Alaska, Frontier, Spirit, United $107
Phoenix to Atlanta American, Alaska, Frontier, Spirit, United $168
Phoenix to Denver American, Alaska, Frontier, Spirit, United $75
Phoenix to Indianapolis American, Alaska, Frontier, United $244
Phoenix to Nashville American, Alaska, Frontier, United $322
Phoenix to Detroit American, Alaska, JetBlue, Frontier, Spirit, United $178
Phoenix to Los Angeles American, Alaska, Spirit, United, Great Lakes $77
Phoenix to Kansas City American, Alaska, United $303
Phoenix to Minneapolis - St Paul American, Alaska, Frontier, Spirit, Sun Country, United $193
Phoenix to Houston American, Alaska, Spirit, United $289
Phoenix to Milwaukee American, Alaska, Frontier, United $248
Phoenix to Springfield American, Alaska, United $510
Phoenix to Memphis American, Alaska, United $388
Phoenix to Las Vegas American, United $193
Phoenix to Charlotte American, Alaska, JetBlue, Frontier, United $237
Phoenix to Orlando American, Alaska, JetBlue, Frontier, Spirit, Sun Country, United $240
Phoenix to Louisville American, Alaska, United $411
Phoenix to Washington American, Alaska, JetBlue, Frontier, Sun Country, United $244
Phoenix to Des Moines American, Alaska, Frontier, United $219
Phoenix to Cincinnati American, Alaska, Frontier, United $198
Phoenix to Omaha American, Alaska, United $242
Phoenix to Bloomington - Normal American, United $244

Cheap Domestic Flights to St Louis - STL

FlightsAirlineLowest Price
Tucson to St Louis American, Alaska, United $389
Yuma to St Louis American, Alaska $610
Grand Canyon to St Louis American, Alaska $539
Tucson to Chicago American, Alaska, United $323
Tucson to Dallas - Ft Worth American, Alaska, United $342
Tucson to Atlanta American, Alaska, United $246
Cheap Flights from Phoenix to St Louis, MO, United States, from $409 Round trip from PHX to STL