Cheap flights from Phoenix, AZ to St. Louis, MO

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Tips to know when travelling to St. Louis

Travelers usually depart from Phoenix Sky Harbor International, or Phoenix–Mesa Gateway when they travel from Phoenix to St. Louis. The most popular airlines for this route are United Airlines, and Frontier Airlines. Phoenix and St. Louis have 39 direct flights per week.

Weekly direct flights

Discover the top airlines offering direct flights from Phoenix to St. Louis in the next month. You’ll find the number of daily direct flights per airline in the table.

Weekly direct flights for Fri 07.06 - Thu 13.06

AirlineFri 07.06Sat 08.06Sun 09.06Mon 10.06Tue 11.06Wed 12.06Thu 13.06
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Weekly direct flights for Fri 14.06 - Thu 20.06

AirlineFri 14.06Sat 15.06Sun 16.06Mon 17.06Tue 18.06Wed 19.06Thu 20.06
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Weekly direct flights for Fri 21.06 - Thu 27.06

AirlineFri 21.06Sat 22.06Sun 23.06Mon 24.06Tue 25.06Wed 26.06Thu 27.06
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Weekly direct flights for Fri 28.06 - Thu 04.07

AirlineFri 28.06Sat 29.06Sun 30.06Mon 01.07Tue 02.07Wed 03.07Thu 04.07
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Check-in for a flight from Phoenix to St. Louis

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
United AirlinesUALUAYesNo
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight

St. Louis travel tips

1) Enjoy a performance at the Fox Theatre in St. Louis
2) Taxis in St. Louis are quite expensive, avoid them if possible
3) Have an exact amount of money to pay for the buses in St. Louis

Weather in St. Louis

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January3°C-3°C
February6°C-2°C
March13°C3°C
April18°C8°C
May24°C14°C
June29°C19°C
July31°C21°C
August30°C20°C
September27°C16°C
October20°C10°C
November12°C3°C
December7°C0°C
Hottest Month
31°C
July
Coldest month
-3°C
January
Sunny days
261
days per year
Snow days
9
days per year

14 day forecast

Tuesday
28 May
72%
25°C15°C
4 Jun
79%
29°C19°C
Wednesday
29 May
23°C13°C
5 Jun
32°C20°C
Thursday
30 May
24°C12°C
6 Jun
87%
27°C19°C
Friday
31 May
86%
23°C13°C
7 Jun
26°C17°C
Saturday
1 Jun
89%
16°C15°C
8 Jun
22°C12°C
Sunday
2 Jun
26°C11°C
9 Jun
24°C14°C
Monday
3 Jun
28°C17°C
10 Jun
24°C18°C

Frequently asked questions

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