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$66+ Cheap flights from Arizona to St. Louis (STL)

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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — STL
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Arizona to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Arizona (USAZ) to St. Louis (STL). 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 November 21, 2024.

Find flight deals from Arizona to St. Louis

Cheapest flights from Arizona to St. Louis
Explore the most affordable flight options available from Arizona to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This Frontier deal was found by Cheapflights users on 11/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/59:53 pmLAS - STL
1 stop8h 20mFrontier
Sat 12/76:46 pmSTL - LAS
1 stop7h 16mFrontier
Deal found 11/19$108
This Kiwi.com deal was found by Cheapflights users on 11/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/910:27 pmLAS - STL
1 stop14h 54mMultiple Airlines
Wed 12/116:46 pmSTL - LAS
1 stop7h 08mMultiple Airlines
Deal found 11/21$171
This CheapOair deal was found by Cheapflights users on 11/21. 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.
Thu 11/286:00 amPHX - STL
1 stop17h 06mFrontier
Mon 12/98:34 pmSTL - PHX
1 stop22h 46mFrontier
Deal found 11/21$198
This American Airlines deal was found by Cheapflights users on 11/20. 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.
Wed 12/187:58 pmPHX - STL
Nonstop2h 56mAmerican Airlines
Wed 1/17:24 amSTL - PHX
Nonstop3h 31mAmerican Airlines
Deal found 11/20$277
This Expedia deal was found by Cheapflights users on 11/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/126:20 amPHX - STL
2 stops16h 39mMultiple Airlines
Tue 12/179:46 pmSTL - PHX
1 stop10h 50mMultiple Airlines
Deal found 11/20$278
This American Airlines deal was found by Cheapflights users on 11/20. 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.
Sat 12/1411:36 pmLAS - STL
1 stop9h 04mAmerican Airlines
Sun 12/152:29 pmSTL - LAS
1 stop5h 47mAmerican Airlines
Deal found 11/20$283
This Delta deal was found by Cheapflights users on 11/21. 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.
Mon 12/1612:55 amPHX - STL
1 stop8h 45mDelta
Thu 12/196:50 amSTL - PHX
1 stop7h 43mDelta
Deal found 11/21$311
This United Airlines deal was found by Cheapflights users on 11/20. 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 12/312:59 amLAS - STL
1 stop6h 48mUnited Airlines
Wed 12/111:39 pmSTL - LAS
1 stop7h 09mUnited Airlines
Deal found 11/20$313
This American Airlines deal was found by Cheapflights users on 11/21. 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.
Mon 12/234:11 pmTUS - STL
1 stop6h 55mAmerican Airlines
Tue 12/315:21 amSTL - TUS
1 stop5h 18mAmerican Airlines
Deal found 11/21$342
This Mytrip deal was found by Cheapflights users on 11/20. 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.
Wed 12/48:48 amLAS - STL
3 stops28h 33mSpirit Airlines
Sat 12/74:26 pmSTL - LAS
3 stops32h 18mSpirit Airlines
Deal found 11/20$352
This Alaska Airlines deal was found by Cheapflights users on 11/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/47:00 amLAS - STL
1 stop28h 24mAlaska Airlines
Wed 12/117:00 amSTL - LAS
2 stops17h 14mAlaska Airlines
Deal found 11/20$370
This Alaska Airlines deal was found by Cheapflights users on 11/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/126:20 amPHX - STL
2 stops16h 39mAlaska Airlines
Mon 12/167:00 amSTL - PHX
1 stop11h 13mAlaska Airlines
Deal found 11/20$376

Find flights from Arizona to St. Louis within your budget

Customize your flight search to find flights from Arizona to St. Louis 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 2,612,795 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Las VegasSt. Louis

LAS - STL

LASSTL

Las Vegas Harry Reid Intl

Thu 12/5

9:53 pm-8:13 am

1 stop8h 20m

Lambert-St Louis

Sat 12/7

6:46 pm-12:02 am

1 stop7h 16m

$108

Las VegasSt. Louis

LAS - STL

LASSTL

Las Vegas Harry Reid Intl

Mon 12/9

10:27 pm-3:21 pm

1 stop14h 54m

Lambert-St Louis

Wed 12/11

6:46 pm-11:54 pm

1 stop7h 08m

$171

PhoenixSt. Louis

PHX - STL

PHXSTL

Phoenix Sky Harbor Intl

Wed 12/4

7:25 pm-7:34 pm

1 stop23h 09m

Lambert-St Louis

Sat 12/7

6:46 pm-10:23 pm

1 stop28h 37m

$199

Las VegasSt. Louis

LAS - STL

LASSTL

Las Vegas Harry Reid Intl

Tue 1/7

12:50 am-10:54 am

1 stop8h 04m

Lambert-St Louis

Sat 1/11

5:00 pm-10:01 pm

1 stop7h 01m

$276

PhoenixSt. Louis

PHX - STL

PHXSTL

Phoenix Sky Harbor Intl

Wed 12/18

7:58 pm-11:54 pm

Nonstop2h 56m

Lambert-St Louis

Wed 1/1

7:24 am-9:55 am

Nonstop3h 31m

$277

PhoenixSt. Louis

PHX - STL

PHXSTL

Phoenix Sky Harbor Intl

Thu 12/12

6:20 am-11:59 pm

2 stops16h 39m

Lambert-St Louis

Tue 12/17

9:46 pm-7:36 am

1 stop10h 50m

$278

Las VegasSt. Louis

LAS - STL

LASSTL

Las Vegas Harry Reid Intl

Sat 12/14

11:36 pm-10:40 am

1 stop9h 04m

Lambert-St Louis

Sun 12/15

2:29 pm-6:16 pm

1 stop5h 47m

$283

PhoenixSt. Louis

PHX - STL

PHXSTL

Phoenix Sky Harbor Intl

Tue 2/11

6:35 pm-10:25 pm

Nonstop2h 50m

Lambert-St Louis

Tue 2/25

11:00 am-3:25 pm

1 stop5h 25m

$287

Las VegasSt. Louis

LAS - STL

LASSTL

Las Vegas Harry Reid Intl

Wed 1/8

1:15 pm-6:25 pm

Nonstop3h 10m

Lambert-St Louis

Sat 1/11

5:45 pm-7:35 pm

Nonstop3h 50m

$308

PhoenixSt. Louis

PHX - STL

PHXSTL

Phoenix Sky Harbor Intl

Mon 12/16

12:55 am-10:40 am

1 stop8h 45m

Lambert-St Louis

Thu 12/19

6:50 am-1:33 pm

1 stop7h 43m

$311

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 40 results
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Best time to book a flight from Arizona to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Arizona 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 Arizona to St. Louis

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

What is the cheapest month to book a flight from Arizona to St. Louis?

Currently, September is the cheapest month in which you can book a flight from Arizona to St. Louis (average of $308). Flying from Arizona to St. Louis in March is currently the most expensive (average of $357). 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 AZ to STL?

Find hourly flight availability from Arizona to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

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.

Weekly flight availability from Arizona to St. Louis

Explore weekly flight availability from Arizona to St. Louis. 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 November 21, 2024.

The most flights from USAZ to STL are scheduled on a Monday (13 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis 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. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, 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).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated November 21, 2024.
Read through reviews of airlines operating flights from Arizona to St. Louis, such as Frontier, Delta and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,005 reviews

Entertainment

7.7

Crew

8.7

Food

7.2

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,005 reviews
Southwest
8.1
Very good
5,005 reviews

Entertainment

7.7

Crew

8.7

Food

7.2

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,464 reviews
Southwest
8.1
Very good
5,005 reviews

Entertainment

7.7

Crew

8.7

Food

7.2

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,755 reviews
Southwest
8.1
Very good
5,005 reviews

Entertainment

7.7

Crew

8.7

Food

7.2

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,172 reviews
Southwest
8.1
Very good
5,005 reviews

Entertainment

7.7

Crew

8.7

Food

7.2

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

WestJet
7.3
Good
2,811 reviews
Southwest
8.1
Very good
5,005 reviews

Entertainment

7.7

Crew

8.7

Food

7.2

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Arizona to St. Louis. 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 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.

  • 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 $66 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $94 and Delta from $129 one-way.

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

    The most popular route from Arizona to St. Louis is Phoenix Sky Harbor Intl - Lambert-St Louis. You may also consider Las Vegas Harry Reid Intl - Lambert-St Louis or Tucson - Lambert-St Louis.

  • 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 Southwest (89%), American Airlines (85%) and Alaska Airlines (66%).

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

    While on average a flight from Arizona to St. Louis is generally $339, our data shows the cheapest flight currently is $131. When looking at the most popular route, (Phoenix Sky Harbor Intl - Lambert-St Louis), you can expect to pay $202 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Arizona to St. Louis 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 Arizona to St. Louis?

    Currently, September is the cheapest month in which you can book a flight from Arizona to St. Louis (average of $308). Flying from Arizona to St. Louis in March is currently the most expensive (average of $357). 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 Arizona to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Arizona to St. Louis

Discover the top 5 airlines that operate flights from Arizona to St. Louis. 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 2,612,795 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$78Average$152FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$131Average$374FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$290FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$262Average$391FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$273Average$553FlexibilityNo cancel feeOn-time69%
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