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$47+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PHX
Dec 7 — Dec 141
Sat 12/7
Sat 12/14
1 adult, Economy
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Cheap flight deals from St. Louis to Arizona

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Arizona (USAZ). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 2, 2024.

Find flight deals from St. Louis to Arizona

Cheapest flights from St. Louis to Arizona
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 December 2, 2024.

This FlightHub deal was found by Cheapflights users on 12/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/158:34 pmSTL - LAS
Nonstop3h 55mFrontier
Mon 12/169:54 pmLAS - STL
1 stop20h 52mFrontier
Deal found 12/2$138
This FlightHub deal was found by Cheapflights users on 12/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/98:34 pmSTL - LAS
Nonstop3h 55mMultiple Airlines
Mon 12/1610:27 pmLAS - STL
1 stop14h 54mMultiple Airlines
Deal found 12/2$157
This CheapOair deal was found by Cheapflights users on 12/2. 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.
Fri 12/209:29 pmSTL - PHX
1 stop24h 16mFrontier
Thu 1/25:45 amPHX - STL
1 stop25h 28mFrontier
Deal found 12/2$158
This CheapOair deal was found by Cheapflights users on 12/2. 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.
Sun 12/154:26 pmSTL - LAS
1 stop27h 17mSpirit Airlines
Mon 12/1610:27 pmLAS - STL
1 stop14h 54mSpirit Airlines
Deal found 12/2$285
This United Airlines deal was found by Cheapflights users on 12/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/315:33 pmSTL - PHX
1 stop6h 38mUnited Airlines
Tue 1/71:25 pmPHX - STL
1 stop7h 55mUnited Airlines
Deal found 12/1$322
This Delta deal was found by Cheapflights users on 12/1. 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.
Wed 12/256:00 amSTL - TUS
1 stop7h 00mDelta
Tue 12/312:42 pmTUS - STL
1 stop6h 24mDelta
Deal found 12/1$326
This Delta deal was found by Cheapflights users on 12/2. 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.
Wed 12/256:04 amSTL - LAS
1 stop7h 15mDelta
Thu 1/3012:55 amLAS - STL
1 stop7h 59mDelta
Deal found 12/2$342
This Mytrip deal was found by Cheapflights users on 12/1. 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.
Tue 12/314:27 pmSTL - PHX
2 stops32h 08mMultiple Airlines
Mon 1/61:19 amPHX - STL
3 stops33h 26mMultiple Airlines
Deal found 12/1$389
This American Airlines deal was found by Cheapflights users on 12/1. 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.
Sun 12/297:04 amSTL - TUS
1 stop5h 41mAmerican Airlines
Sun 1/56:08 pmTUS - STL
1 stop4h 58mAmerican Airlines
Deal found 12/1$392
This Mytrip deal was found by Cheapflights users on 12/1. 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.
Tue 12/314:27 pmSTL - PHX
2 stops32h 08mSpirit Airlines
Mon 1/61:19 amPHX - STL
2 stops13h 02mSpirit Airlines
Deal found 12/1$401
This Delta deal was found by Cheapflights users on 12/1. 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.
Tue 12/247:10 amSTL - PHX
1 stop7h 23mDelta
Sat 12/281:10 pmPHX - STL
1 stop7h 56mDelta
Deal found 12/1$408
This United deal was found by Cheapflights users on 12/1. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/256:00 amSTL - TUS
1 stop6h 27mUnited Airlines
Tue 12/317:00 amTUS - STL
2 stops11h 57mUnited Airlines
Deal found 12/1$411

Find flights from St. Louis to Arizona within your budget

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 2,650,959 searches. Data last updated December 2, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Fri 1/17

8:31 pm-10:20 pm

Nonstop3h 49m

Las Vegas Harry Reid Intl

Tue 1/21

8:18 pm-9:16 am

1 stop10h 58m

$138

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Sat 2/15

6:10 am-1:48 pm

1 stop9h 38m

Las Vegas Harry Reid Intl

Wed 2/19

10:00 pm-8:51 am

1 stop8h 51m

$158

St. LouisPhoenix

STL - PHX

STLPHX

Lambert-St Louis

Fri 12/20

9:29 pm-8:45 pm

1 stop24h 16m

Phoenix Sky Harbor Intl

Thu 1/2

5:45 am-8:13 am

1 stop25h 28m

$158

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Sun 3/2

7:00 am-2:44 pm

1 stop9h 44m

Las Vegas Harry Reid Intl

Tue 3/4

12:59 am-9:16 am

1 stop6h 17m

$217

St. LouisPhoenix

STL - PHX

STLPHX

Lambert-St Louis

Wed 3/5

6:53 pm-1:00 am

1 stop7h 07m

Phoenix Sky Harbor Intl

Wed 3/12

8:00 am-11:59 pm

2 stops13h 59m

$255

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Mon 1/13

2:49 pm-11:14 am

2 stops22h 25m

Las Vegas Harry Reid Intl

Wed 1/15

7:53 am-1:53 pm

1 stop28h 00m

$270

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Mon 1/13

5:00 pm-11:35 pm

1 stop8h 35m

Las Vegas Harry Reid Intl

Wed 1/15

12:55 am-10:54 am

1 stop7h 59m

$276

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Sun 12/15

4:26 pm-5:43 pm

1 stop27h 17m

Las Vegas Harry Reid Intl

Mon 12/16

10:27 pm-3:21 pm

1 stop14h 54m

$285

St. LouisPhoenix

STL - PHX

STLPHX

Lambert-St Louis

Fri 1/24

2:49 pm-7:33 pm

1 stop29h 44m

Phoenix Sky Harbor Intl

Wed 1/29

5:46 pm-1:53 pm

1 stop19h 07m

$302

St. LouisTucson

STL - TUS

STLTUS

Lambert-St Louis

Tue 1/7

5:00 pm-10:45 pm

1 stop6h 45m

Tucson

Tue 1/14

6:30 am-3:44 pm

1 stop8h 14m

$316

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 44 results
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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.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from St. Louis to Arizona

Get recent, data-driven insights about flights from St. Louis to Arizona including ideal travel times, pricing trends, and more.

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 June is currently the most expensive (average of $321). 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 December 2, 2024.

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 December 2, 2024.

The most flights from STL to USAZ are scheduled on a Monday (15 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 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 December 2, 2024.
Get a feel of what it's like to fly with Alaska Airlines, Spirit Airlines and Frontier 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.
Southwest
8.1
Very good
4,951 reviews

Boarding

8.2

Entertainment

7.7

Food

7.2

Overall

8.1

Comfort

8.1

Crew

8.7

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Southwest
8.1
Very good
4,951 reviews
Southwest
8.1
Very good
4,951 reviews

Boarding

8.2

Entertainment

7.7

Food

7.2

Overall

8.1

Comfort

8.1

Crew

8.7

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Alaska Airlines
8.0
Very good
9,508 reviews
Southwest
8.1
Very good
4,951 reviews

Boarding

8.2

Entertainment

7.7

Food

7.2

Overall

8.1

Comfort

8.1

Crew

8.7

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Delta
8.0
Very good
8,698 reviews
Southwest
8.1
Very good
4,951 reviews

Boarding

8.2

Entertainment

7.7

Food

7.2

Overall

8.1

Comfort

8.1

Crew

8.7

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

United Airlines
7.4
Good
9,141 reviews
Southwest
8.1
Very good
4,951 reviews

Boarding

8.2

Entertainment

7.7

Food

7.2

Overall

8.1

Comfort

8.1

Crew

8.7

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

WestJet
7.3
Good
2,815 reviews
Southwest
8.1
Very good
4,951 reviews

Boarding

8.2

Entertainment

7.7

Food

7.2

Overall

8.1

Comfort

8.1

Crew

8.7

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

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.

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

    Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to Arizona. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $53. Users have also found prices from $129 and $138 on Southwest and American Airlines, respectively.

  • What are the most popular routes from St. Louis to Arizona?

    While some choose either Lambert-St Louis - Phoenix Sky Harbor Intl or Lambert-St Louis - Tucson, Lambert-St Louis - Las Vegas Harry Reid Intl is the most popular route from St. Louis to Arizona.

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

    Consider Southwest (89%), SkyWest Airlines (86%) or Alaska Airlines (72%) when booking your flight. These represent the most reliable airlines when flying from St. Louis to Arizona.

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

    The cheapest flight price from St. Louis to Arizona is $156. On average you can expect to pay $352. The most popular route, (Lambert-St Louis - Las Vegas Harry Reid Intl), can usually be booked for $112.

  • Can I find deals for flights from St. Louis to Arizona that include hotel bookings?

    Yes. In addition to deals on St. Louis to Arizona flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Arizona?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Arizona.

  • Can I find deals for business class flights from St. Louis to Arizona?

    Yes. Cheapflights offers flight deals from St. Louis to Arizona by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 June is currently the most expensive (average of $321). 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.

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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.
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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 2,650,959 searches. Data last updated December 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$78Average$151FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$147Average$498FlexibilityNo cancel feeOn-time71%
DeltaCheapest$215Average$293FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$226Average$430FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$235Average$407FlexibilityNo cancel feeOn-time63%
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