Travelers have found it’s best to book a flight 28 days in advance to save up to 71% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 28 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Arizona to St. Louis 1-2 weeks in advance for as low as $233, or $476 for flights within the next 24 hours.
Our data shows that May tends to be the cheapest month to fly to St. Louis from Arizona. Users have commonly found prices around $358 for the month, but tickets can be as low as $78. Due to multiple factors, prepare for potentially higher prices in December.
When flying from Arizona to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Fly from
Fly to
Budget
$60 - $216
Route
Depart
Return
Price
Las Vegas Harry Reid IntlLambert-St Louis
LAS - STL
LASSTL
Las Vegas Harry Reid Intl
Thu 8/15
Nonstop3h 17m
Lambert-St Louis
Mon 8/19
Nonstop3h 37m
Las Vegas Harry Reid IntlLambert-St Louis
LAS - STL
LASSTL
Las Vegas Harry Reid Intl
Fri 6/21
Nonstop3h 12m
Lambert-St Louis
Wed 6/26
Nonstop3h 46m
Las Vegas Harry Reid IntlLambert-St Louis
LAS - STL
LASSTL
Las Vegas Harry Reid Intl
Wed 6/12
Nonstop3h 16m
Lambert-St Louis
Mon 6/17
Nonstop3h 46m
Phoenix Sky Harbor IntlLambert-St Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Wed 7/3
Nonstop2h 59m
Lambert-St Louis
Sat 7/6
Nonstop3h 09m
Phoenix Sky Harbor IntlLambert-St Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Sat 7/6
Nonstop3h 01m
Lambert-St Louis
Sat 7/6
Nonstop3h 18m
Phoenix Sky Harbor IntlLambert-St Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Mon 7/22
Nonstop3h 01m
Lambert-St Louis
Wed 7/24
1 stop6h 22m
Phoenix Sky Harbor IntlLambert-St Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Sat 6/15
Nonstop2h 54m
Lambert-St Louis
Tue 6/18
Nonstop3h 20m
Phoenix Sky Harbor IntlLambert-St Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Fri 9/6
1 stop26h 16m
Lambert-St Louis
Tue 9/10
1 stop28h 32m
Phoenix Sky Harbor IntlLambert-St Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Thu 6/6
1 stop5h 28m
Lambert-St Louis
Sun 6/9
1 stop7h 05m
No data available for this route at this time. Please check back soon.
Crew
Boarding
Overall
Food
Comfort
Entertainment
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Crew
Boarding
Overall
Food
Comfort
Entertainment
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Crew
Boarding
Overall
Food
Comfort
Entertainment
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Crew
Boarding
Overall
Food
Comfort
Entertainment
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Crew
Boarding
Overall
Food
Comfort
Entertainment
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Crew
Boarding
Overall
Food
Comfort
Entertainment
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
8%of flight departures | Early morningMidnight to 6 am |
---|---|
48%of flight departures | Morning6 am to noon |
40%of flight departures | AfternoonNoon to 6 pm |
4%of flight departures | Evening6 pm to midnight |
Cheapflights helps you search for flights from Arizona to St. Louis via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to St. Louis from Arizona.
Need flexible booking options for your flight to St. Louis from Arizona? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Yes! Start tracking prices for Arizona to St. Louis flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.