
Round-trip from | $160 (CheapOair) |
|---|---|
One-way from | $29 (Frontier) |
Popular in | March |
Cheapest in | November |
Average price | $359 |
Fly from
Fly to
Route
Depart
Return
Price
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
vie. 2/13
1:59 pm-8:12 am
1 stop19h 13m
Phoenix Sky Harbor Intl
mar. 2/17
8:04 pm-3:53 pm
2 stops18h 49m
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
mar. 4/28
5:30 am-6:55 am
Nonstop3h 25m
Phoenix Sky Harbor Intl
mar. 4/28
8:55 am-1:50 pm
Nonstop2h 55m
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
mié. 4/29
8:45 pm-10:10 pm
Nonstop3h 25m
Phoenix Sky Harbor Intl
sáb. 5/2
4:55 pm-9:45 pm
Nonstop2h 50m
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
sáb. 3/28
7:30 pm-11:50 pm
1 stop6h 20m
Phoenix Sky Harbor Intl
dom. 4/5
5:00 am-9:50 am
Nonstop2h 50m
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
sáb. 3/21
9:35 pm-11:00 pm
Nonstop3h 25m
Phoenix Sky Harbor Intl
mié. 3/25
6:30 pm-11:20 pm
Nonstop2h 50m
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
sáb. 2/28
8:45 pm-11:15 pm
Nonstop3h 30m
Phoenix Sky Harbor Intl
mar. 3/3
12:05 pm-5:10 pm
1 stop4h 05m
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
sáb. 3/7
9:40 pm-12:10 am
Nonstop3h 30m
Phoenix Sky Harbor Intl
mar. 3/10
10:20 am-6:00 pm
1 stop5h 40m
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
sáb. 3/21
6:00 pm-10:55 pm
1 stop6h 55m
Phoenix Sky Harbor Intl
dom. 3/29
8:40 pm-1:30 am
Nonstop2h 50m
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
mar. 3/24
12:28 pm-4:24 pm
1 stop5h 56m
Phoenix Sky Harbor Intl
mar. 3/31
12:55 pm-12:21 am
2 stops9h 26m
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
mié. 3/11
8:50 pm-10:20 pm
Nonstop3h 30m
Phoenix Sky Harbor Intl
dom. 3/15
8:40 pm-1:30 am
Nonstop2h 50m
Booking 87 days in advance of your planned departure date is, on average, the best time to get cheap flights from St. Louis to Tempe. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, October is the cheapest month in which you can book a flight from St. Louis to Tempe (average of $107). Flying from St. Louis to Tempe in June is currently the most expensive (average of $234). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
One of the essential ways to save on airfare from St. Louis to Tempe is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 21% on airfare.
Travelers seeking maximum savings on their St. Louis to Tempe flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from STL to TM9 are scheduled on a Sunday (14 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).
Comfort
Boarding
Food
Entertainment
Crew
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Comfort
Boarding
Food
Entertainment
Crew
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Comfort
Boarding
Food
Entertainment
Crew
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Comfort
Boarding
Food
Entertainment
Crew
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Comfort
Boarding
Food
Entertainment
Crew
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Comfort
Boarding
Food
Entertainment
Crew
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$94 | Average$201 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$121 | Average$200 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$148 | Average$383 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$212 | Average$383 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$221 | Average$397 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$236 | Average$357 | FlexibilityNo cancel fee | On-timeN/A |