Round-trip from | $271 (Mytrip) |
---|---|
One-way from | $95 (Frontier) |
Popular in | January |
Cheapest in | June |
Average price | $390 |
Fly from
Fly to
Route
Depart
Return
Price
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Fri 5/9
9:19 am-9:15 am
2 stops21h 56m
Lambert-St Louis
Sat 5/17
10:10 am-8:13 am
2 stops24h 03m
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Sun 4/27
8:14 am-9:05 pm
1 stop10h 51m
Lambert-St Louis
Mon 4/28
6:58 pm-11:58 pm
1 stop7h 00m
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Wed 5/21
7:01 pm-11:58 pm
Nonstop2h 57m
Lambert-St Louis
Sat 5/24
8:05 am-9:25 am
Nonstop3h 20m
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Wed 5/28
11:10 am-5:15 pm
1 stop4h 05m
Lambert-St Louis
Wed 6/25
5:35 am-6:50 am
Nonstop3h 15m
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Fri 5/23
5:25 pm-12:59 am
1 stop5h 34m
Lambert-St Louis
Fri 6/27
7:15 pm-11:43 pm
1 stop6h 28m
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Sat 6/21
9:35 pm-5:04 pm
1 stop17h 29m
Lambert-St Louis
Thu 6/26
6:12 pm-10:44 pm
2 stops30h 32m
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Thu 7/10
6:00 am-12:46 pm
1 stop4h 46m
Lambert-St Louis
Wed 7/16
8:54 am-3:09 pm
2 stops8h 15m
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Wed 5/21
7:00 am-12:04 am
2 stops15h 04m
Lambert-St Louis
Wed 5/28
6:22 pm-5:16 pm
2 stops24h 54m
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Tue 6/3
8:21 pm-10:08 am
1 stop11h 47m
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Fri 5/16
9:19 am-9:15 am
2 stops21h 56m
The price you pay for your flight from Phoenix Sky Harbor Intl Airport to St. Charles may vary depending on when you book. For the best chance of a lower fare, look to book 73 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, August is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to St. Charles (average of $311). Flying from Phoenix Sky Harbor Intl Airport to St. Charles in March is currently the most expensive (average of $356). 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.
When flying from Phoenix Sky Harbor Intl Airport to St. Charles, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to St. Charles flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from PHX to CH5 are scheduled on a Monday (13 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).
In terms of precipitation, rainfall in St. Charles ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Charles when rainfall is around 2.2 in.
If weather is an important factor for your trip to St. Charles, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
Anonymous,Apr 2025
LAS - STS
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
Anonymous,Apr 2025
LAS - STS
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
Anonymous,Apr 2025
LAS - STS
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
Anonymous,Apr 2025
LAS - STS
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
Anonymous,Apr 2025
LAS - STS
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
Anonymous,Apr 2025
LAS - STS
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$78 | Average$157 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$131 | Average$466 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$216 | Average$296 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$263 | Average$349 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$302 | Average$437 | FlexibilityNo cancel fee | On-time63% |