Cheap flights from Arizona to St. Louis (STL)

PHX — STL
Dec 6 — Dec 131

How far in advance should I book a flight from Arizona to St. Louis?

Travelers have found it’s best to book a flight 28 days in advance to save up to 27% 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 $297, or $374 for flights within the next 24 hours.

What is the cheapest month to fly from Arizona to St. Louis?

Our data shows that February tends to be the cheapest month to fly to St. Louis from Arizona. Users have commonly found prices around $341 for the month, but tickets can be as low as $65. Due to multiple factors, prepare for potentially higher prices in June.

When is the cheapest time to fly from Arizona to St. Louis (AZ - STL)?

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.

Cheap flights from Arizona to St. Louis in December, January 2022

The best prices found for Arizona to STL flights for December, January
Dec 6 - Dec 8
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

1 stop

12h 14m
STL

Lambert-St Louis

PHX

Phoenix Sky Harbor Intl

1 stop

12h 04m
$114

Frontier

Pick Dates

Deal found 11/28

Dec 12 - Dec 15
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

1 stop

12h 14m
STL

Lambert-St Louis

PHX

Phoenix Sky Harbor Intl

1 stop

12h 04m
$125

Frontier

Pick Dates

Deal found 11/29

Dec 20 - Jan 7
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

1 stop

11h 33m
STL

Lambert-St Louis

PHX

Phoenix Sky Harbor Intl

1 stop

12h 45m
$136

Frontier

Pick Dates

Deal found 11/30

Arizona to St. Louis 2022 flight deals

Cheap flights to St. Louis from Arizona found for this year
Dec 6 - Dec 8
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

1 stop

12h 14m
STL

Lambert-St Louis

PHX

Phoenix Sky Harbor Intl

1 stop

12h 04m
$114

Frontier

Pick Dates

Deal found 11/28

Dec 12 - Dec 15
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

1 stop

12h 14m
STL

Lambert-St Louis

PHX

Phoenix Sky Harbor Intl

1 stop

12h 04m
$125

Frontier

Pick Dates

Deal found 11/29

Dec 20 - Jan 7
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

1 stop

11h 33m
STL

Lambert-St Louis

PHX

Phoenix Sky Harbor Intl

1 stop

12h 45m
$136

Frontier

Pick Dates

Deal found 11/30

Cheap Frontier flights from Arizona to St. Louis

Dec 13 - Dec 14
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

1 stop

12h 14m
STL

Lambert-St Louis

PHX

Phoenix Sky Harbor Intl

1 stop

12h 06m
$114

Frontier

Pick Dates

Deal found 12/1

Dec 12 - Dec 15
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

1 stop

12h 14m
STL

Lambert-St Louis

PHX

Phoenix Sky Harbor Intl

1 stop

12h 04m
$125

Frontier

Pick Dates

Deal found 11/29

Dec 20 - Jan 7
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

1 stop

11h 33m
STL

Lambert-St Louis

PHX

Phoenix Sky Harbor Intl

1 stop

12h 45m
$136

Frontier

Pick Dates

Deal found 11/30

Cheap Spirit Airlines flights from Arizona to St. Louis

Dec 6 - Dec 13
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

3 stops

21h 12m
STL

Lambert-St Louis

PHX

Phoenix Sky Harbor Intl

1 stop

11h 05m
$259

Spirit Airlines

Pick Dates

Deal found 11/29

Dec 6 - Dec 13
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

2 stops

22h 27m
STL

Lambert-St Louis

PHX

Phoenix Sky Harbor Intl

3 stops

25h 01m
$316

Spirit Airlines

Pick Dates

Deal found 11/29

Dec 11 - Dec 13
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

1 stop

6h 32m
STL

Lambert-St Louis

PHX

Phoenix Sky Harbor Intl

3 stops

25h 01m
$320

Spirit Airlines

Pick Dates

Deal found 11/28

Non-stop flights to St. Louis from Arizona

Save time with Arizona to St. Louis direct flight deals
Dec 14 - Jan 10
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

Nonstop

2h 55m
STL

Lambert-St Louis

PHX

Phoenix Sky Harbor Intl

Nonstop

3h 31m
$258

American Airlines

Pick Dates

Deal found 12/1

Jan 19 - Jan 23
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

Nonstop

2h 53m
STL

Lambert-St Louis

PHX

Phoenix Sky Harbor Intl

Nonstop

3h 31m
$266

American Airlines

Pick Dates

Deal found 11/29

Dec 14 - Jan 10
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

Nonstop

2h 55m
STL

Lambert-St Louis

PHX

Phoenix Sky Harbor Intl

Nonstop

3h 31m
$283

American Airlines

Pick Dates

Deal found 11/29

Last minute flights from Arizona to St. Louis

Late deals on return flights to St. Louis from Arizona, departing today and this week
Dec 6 - Dec 8
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

1 stop

12h 14m
STL

Lambert-St Louis

PHX

Phoenix Sky Harbor Intl

1 stop

12h 04m
$114

Frontier

Pick Dates

Deal found 11/28

Dec 11 - Dec 13
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

1 stop

12h 26m
STL

Lambert-St Louis

PHX

Phoenix Sky Harbor Intl

1 stop

12h 06m
$143

Frontier

Pick Dates

Deal found 11/28

Dec 11 - Dec 13
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

1 stop

10h 35m
STL

Lambert-St Louis

PHX

Phoenix Sky Harbor Intl

1 stop

12h 06m
$149

Frontier

Pick Dates

Deal found 11/29

One-way flights to St. Louis from Arizona

The cheapest one-way flights from Arizona to St. Louis
Dec 7
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

1 stop

12h 14m
$56

Frontier

Pick Dates

Deal found 11/30

Jan 11
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

1 stop

11h 55m
$66

Frontier

Pick Dates

Deal found 11/29

Dec 14
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

1 stop

12h 14m
$67

Frontier

Pick Dates

Deal found 11/28

Related info for your journey

Useful info, stats and facts about Arizona to St. Louis flights.

What airport do you fly into for flights to St. Louis from Arizona?

Located just 12.7 mi from the city center, Lambert-St Louis (STL) is the airport most travelers will use when flying to St. Louis from Arizona.

Which airlines flying from Arizona to Lambert-St Louis have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Arizona to Lambert-St Louis that may be offering flexible cancellation policies are American Airlines, Spirit Airlines, and Frontier. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Arizona to St. Louis for under $200 on Cheapflights?

Yes, there are multiple flights from Arizona to St. Louis for under $200. The cheapest flight booked recently is on Frontier for just $114, but on average you can expect to pay $153.

Are there nonstop flights from Arizona to St. Louis for under $300 on Cheapflights?

Cheapflights has at least 20 direct flights from Arizona to St. Louis under $300. A good price for a nonstop flight from Arizona to St. Louis is less than $351.

Are there last-minute flights available from Arizona to St. Louis for under $200?

There are currently 20+ open flights from Arizona to St. Louis within the next 7 days for less than $200.

What days are nonstop flights available from Arizona to St. Louis?

You can find nonstop flights on the following days: Saturday.

How popular is this Arizona to St. Louis flight route?

Within the past month, 129 users have taken a look at flights from Arizona to Lambert-St Louis.

How many flights depart from Arizona to St. Louis on average per day?

On average 1 flight departs from Arizona to St. Louis per day.
Early Morning (Midnight to 6am) - 100% of flight departures

How long is the flight from Arizona to St. Louis?

A quick flight from Arizona to St. Louis can take about 12h 14m. Frontier provides one of the quickest options available for as low as $114. There are 1266 mi between Arizona and St. Louis.

What are the cheapest airlines to fly from Arizona to St. Louis one-way?

One-way options have recently been found by users for as low as $56 on Frontier. Other airlines that offer cheap prices include United Airlines from $97 and Spirit Airlines from $104 one-way.

What are the most popular airlines that fly from Arizona to St. Louis?

When booking a flight from Arizona to St. Louis, you may want to consider flying on American Airlines, Delta or Frontier as they are the most popular for this route.

What are the most reliable airlines from Arizona to St. Louis?

The top 3 most reliable airlines when flying from Arizona to St. Louis are Alaska Airlines (81%), American Airlines (77%) and Southwest (73%).

What are the cheapest flights from Arizona to St. Louis?

While on average a flight from Arizona to St. Louis is generally $270, our data shows the cheapest flight currently is $81. When looking at the most popular route, (Phoenix Sky Harbor Intl - Lambert-St Louis), you can expect to pay $151 for that flight.

Departure points for flights from Arizona to St. Louis

Select to see more specific information for flights to St. Louis from all departure points in Arizona

Top 6 airlines flying from Arizona to St. Louis

The chart below displays the airlines Cheapflights users traveling from Arizona to St. Louis choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$14Average$22FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
Spirit AirlinesCheapest$61Average$178FlexibilityNo cancel feeOn-time65%COVID-19 safety
Search Spirit Airlines flights
FrontierCheapest$149Average$208FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
United AirlinesCheapest$212Average$480FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
American AirlinesCheapest$237Average$548FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
DeltaCheapest$261Average$516FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights

Hourly flight availability from Arizona to St. Louis

See what time of day planes typically take off from Arizona to St. Louis
16%of flight departuresEarly morningMidnight to 6 am
56%of flight departuresMorning6 am to noon
27%of flight departuresAfternoonNoon to 6 pm
1%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM