$67+ Cheap flights from St. Louis (STL) to Arizona
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from St. Louis to Arizona with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Arizona
Keep the following information in mind while searching for St. Louis to Arizona flight deals. Data was last updated April 15, 2025.
Round-trip from | $134 (Cheapflightsfares) |
|---|---|
One-way from | $67 (Cheapflightsfares) |
Popular in | March |
Cheapest in | July |
Average price | $380 |
Good round-trip deal | $370 or less |
Good one-way deal | $189 or less |
Find flight deals from St. Louis to Arizona
Cheapest flights from St. Louis to ArizonaExplore the most affordable flight options available from St. Louis to Arizona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.
Explore the most affordable flight options available from St. Louis to Arizona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.
This Cheapflightsfares deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Justfly.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This CheapOair deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Booking.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Southwest deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Southwest deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Arizona that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 15, 2025.
Use the filters below to find and compare flights from St. Louis to Arizona that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
St. LouisLas Vegas
STL - LAS
STLLAS
Lambert-St Louis
Sun 5/11
9:55 pm-11:41 pm
Nonstop3h 46m
Las Vegas Harry Reid Intl
Thu 5/15
3:39 pm-9:05 pm
Nonstop3h 26m
St. LouisLas Vegas
STL - LAS
STLLAS
Lambert-St Louis
Thu 5/1
6:10 pm-12:59 am
1 stop8h 49m
Las Vegas Harry Reid Intl
Fri 5/2
3:39 pm-9:05 pm
Nonstop3h 26m
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Thu 4/24
9:55 pm-7:19 am
1 stop11h 24m
Phoenix Sky Harbor Intl
Wed 4/30
7:35 pm-3:07 pm
1 stop17h 32m
St. LouisTucson
STL - TUS
STLTUS
Lambert-St Louis
Wed 4/23
6:58 pm-11:17 am
1 stop18h 19m
Tucson
Sun 4/27
6:17 pm-10:01 am
1 stop13h 44m
St. LouisLas Vegas
STL - LAS
STLLAS
Lambert-St Louis
Sun 5/4
6:10 pm-12:59 am
1 stop8h 49m
Las Vegas Harry Reid Intl
Tue 5/6
12:33 am-9:15 am
2 stops30h 42m
St. LouisTucson
STL - TUS
STLTUS
Lambert-St Louis
Wed 5/21
5:19 am-10:18 am
1 stop6h 59m
Tucson
Sun 5/25
5:15 pm-11:58 pm
1 stop4h 43m
St. LouisLas Vegas
STL - LAS
STLLAS
Lambert-St Louis
Tue 5/13
6:50 am-8:25 am
Nonstop3h 35m
Las Vegas Harry Reid Intl
Fri 5/16
7:40 pm-12:50 am
Nonstop3h 10m
St. LouisLas Vegas
STL - LAS
STLLAS
Lambert-St Louis
Wed 5/14
7:30 am-11:59 am
1 stop6h 29m
Las Vegas Harry Reid Intl
Fri 5/16
12:54 am-10:52 am
1 stop7h 58m
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Tue 5/13
7:19 pm-11:27 pm
1 stop6h 08m
Phoenix Sky Harbor Intl
Fri 5/16
7:01 pm-11:58 pm
Nonstop2h 57m
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Sun 5/18
10:10 am-8:13 am
3 stops24h 03m
Phoenix Sky Harbor Intl
Thu 5/22
11:59 pm-11:25 am
1 stop9h 26m
Best time to book a flight from St. Louis to Arizona
Have a flexible travel schedule? Discover the best time to fly to Arizona from St. Louis with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to Arizona
What is the cheapest month to book a flight from St. Louis to Arizona?
Currently, January is the cheapest month in which you can book a flight from St. Louis to Arizona (average of $258). Flying from St. Louis to Arizona in March is currently the most expensive (average of $337). 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.
What is the cheapest time of day to fly from STL to AZ?
Find hourly flight availability from St. Louis to Arizona. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 15, 2025.
When flying from St. Louis to Arizona, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from St. Louis to Arizona
Explore weekly flight availability from St. Louis to Arizona. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 15, 2025.
The most flights from STL to USAZ 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).
Rainfall in Arizona by month
Plan your trip to Arizona by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Arizona ranges from 0.0 - 1.1 inches per month. July is typically the wettest month, when rainfall can reach 1.1 in. June is typically the driest time to visit Arizona when rainfall is around 0.0 in.
Temperature in Arizona by month
Plan your trip to Arizona by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Arizona, 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 95.0 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 55.4 F).
Reviews of airlines servicing Arizona
Get insights into the airlines that provide service to Arizona. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Arizona. Reviews last updated April 15, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from St. Louis to Arizona by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
Boarding
Food
Entertainment
Comfort
Overall
Reviews
Anonymous,Apr 2025
LAS - STS
Crew
Boarding
Food
Entertainment
Comfort
Overall
Reviews
Anonymous,Apr 2025
LAS - STS
Crew
Boarding
Food
Entertainment
Comfort
Overall
Reviews
Anonymous,Apr 2025
LAS - STS
Crew
Boarding
Food
Entertainment
Comfort
Overall
Reviews
Anonymous,Apr 2025
LAS - STS
Crew
Boarding
Food
Entertainment
Comfort
Overall
Reviews
Anonymous,Apr 2025
LAS - STS
Crew
Boarding
Food
Entertainment
Comfort
Overall
Reviews
Anonymous,Apr 2025
LAS - STS
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Arizona. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for St. Louis to Arizona
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from St. Louis to Arizona
Discover the top 5 airlines that operate flights from St. Louis to Arizona. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 15, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$75 | Average$148 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$131 | Average$488 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$197 | Average$346 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$218 | Average$379 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$296 | Average$418 | FlexibilityNo cancel fee | On-time63% |