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$56+ Cheap flights from Missouri to Phoenix

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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PHX
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
1 adult, Economy
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Cheap flight deals from Missouri to Phoenix

Keep the following information in mind while searching for Missouri to Phoenix flight deals. Data was last updated July 1, 2025.

Round-trip from

$216
(FlightHub)

One-way from

$56
(Priceline)

Popular in

March

Cheapest in

September

Average price

$365
From Missouri to Phoenix
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One-way flight from Missouri to Phoenix
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Missouri to Phoenix

Cheapest flights from Missouri to Phoenix
Explore the most affordable flight options available from Missouri to Phoenix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2025.

This Priceline deal was found by Cheapflights users on 6/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/308:01 pmMCI - PHX
1 stop5h 26mFrontier
Mon 7/79:32 amPHX - MCI
1 stop7h 32mFrontier
Deal found 6/29$215
This FlightHub deal was found by Cheapflights users on 6/30. 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.
Thu 10/168:08 pmMCI - PHX
1 stop17h 09mSpirit Airlines
Sun 10/1912:12 pmPHX - MCI
1 stop20h 35mSpirit Airlines
Deal found 6/30$216
This FlightHub deal was found by Cheapflights users on 6/30. 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.
Sat 9/137:55 pmSTL - PHX
1 stop25h 30mFrontier
Sun 9/216:18 pmPHX - STL
1 stop12h 48mFrontier
Deal found 6/30$222
This FlightHub deal was found by Cheapflights users on 6/30. 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.
Thu 8/282:30 pmSTL - PHX
1 stop9h 07mMultiple Airlines
Mon 9/17:09 amPHX - STL
1 stop24h 02mMultiple Airlines
Deal found 6/30$224
This FlightHub deal was found by Cheapflights users on 6/30. 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.
Thu 7/3110:30 amMCI - PHX
1 stop14h 04mMultiple Airlines
Mon 8/49:32 amPHX - MCI
1 stop7h 32mMultiple Airlines
Deal found 6/30$227
This Cheapflightsfares deal was found by Cheapflights users on 7/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2710:47 amSTL - PHX
1 stop13h 47mSpirit Airlines
Wed 7/3011:34 pmPHX - STL
1 stop8h 18mSpirit Airlines
Deal found 7/1$234
This Delta deal was found by Cheapflights users on 6/29. 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 8/275:30 pmSGF - PHX
1 stop7h 19mDelta
Sat 8/306:05 amPHX - SGF
1 stop7h 04mDelta
Deal found 6/29$251
This Southwest deal was found by Cheapflights users on 6/30. 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.
Sat 10/186:05 amMCI - PHX
Nonstop2h 50mSouthwest
Sat 10/252:20 pmPHX - MCI
Nonstop2h 30mSouthwest
Deal found 6/30$253
This American Airlines deal was found by Cheapflights users on 7/1. 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.
Fri 8/152:51 pmMCI - PHX
Nonstop2h 45mAmerican Airlines
Fri 8/227:21 pmPHX - MCI
Nonstop2h 38mAmerican Airlines
Deal found 7/1$254
This American Airlines deal was found by Cheapflights users on 6/29. 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.
Fri 10/247:43 pmSGF - PHX
1 stop5h 34mAmerican Airlines
Mon 10/2712:24 amPHX - SGF
1 stop7h 19mAmerican Airlines
Deal found 6/29$255
This Southwest deal was found by Cheapflights users on 6/30. 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.
Tue 8/269:35 amSTL - PHX
Nonstop3h 15mSouthwest
Mon 9/15:10 amPHX - STL
Nonstop2h 55mSouthwest
Deal found 6/30$257
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Tue 8/261:24 pmSTL - PHX
1 stop9h 25mAmerican Airlines
Mon 9/17:11 pmPHX - STL
Nonstop3h 05mAmerican Airlines
Deal found 6/30$268

Cheapflights Fare Finder

Customize your flight search to find flights from Missouri to Phoenix 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 July 1, 2025.
Use the filters below to find and compare flights from Missouri to Phoenix that are best for you.

Fly from

Missouri

Fly to

Phoenix

Route

Depart

Return

Price

Kansas CityPhoenix

MCI - PHX

MCIPHX

Kansas City

Thu 10/16

8:08 pm-11:17 am

1 stop17h 09m

Phoenix Sky Harbor Intl

Sun 10/19

12:12 pm-10:47 am

1 stop20h 35m

$216

Kansas CityPhoenix

MCI - PHX

MCIPHX

Kansas City

Wed 8/13

7:20 pm-10:44 pm

1 stop5h 24m

Phoenix Sky Harbor Intl

Wed 8/20

12:11 pm-1:33 pm

1 stop23h 22m

$217

St. LouisPhoenix

STL - PHX

STLPHX

Lambert-St Louis

Sat 9/13

7:55 pm-7:25 pm

1 stop25h 30m

Phoenix Sky Harbor Intl

Sun 9/21

6:18 pm-9:06 am

1 stop12h 48m

$222

St. LouisPhoenix

STL - PHX

STLPHX

Lambert-St Louis

Thu 8/28

2:30 pm-9:37 pm

1 stop9h 07m

Phoenix Sky Harbor Intl

Mon 9/1

7:09 am-9:11 am

1 stop24h 02m

$224

Kansas CityPhoenix

MCI - PHX

MCIPHX

Kansas City

Thu 7/31

10:30 am-10:34 pm

1 stop14h 04m

Phoenix Sky Harbor Intl

Mon 8/4

9:32 am-7:04 pm

1 stop7h 32m

$227

St. LouisPhoenix

STL - PHX

STLPHX

Lambert-St Louis

Sun 7/27

10:47 am-10:34 pm

1 stop13h 47m

Phoenix Sky Harbor Intl

Wed 7/30

11:34 pm-9:52 am

1 stop8h 18m

$234

SpringfieldPhoenix

SGF - PHX

SGFPHX

Springfield-Branson

Wed 8/27

5:30 pm-10:49 pm

1 stop7h 19m

Phoenix Sky Harbor Intl

Sat 8/30

6:05 am-3:09 pm

1 stop7h 04m

$251

Kansas CityPhoenix

MCI - PHX

MCIPHX

Kansas City

Sat 10/18

6:05 am-6:55 am

Nonstop2h 50m

Phoenix Sky Harbor Intl

Sat 10/25

2:20 pm-6:50 pm

Nonstop2h 30m

$253

Kansas CityPhoenix

MCI - PHX

MCIPHX

Kansas City

Wed 8/13

2:51 pm-3:36 pm

Nonstop2h 45m

Phoenix Sky Harbor Intl

Wed 8/20

7:21 pm-11:59 pm

Nonstop2h 38m

$254

SpringfieldPhoenix

SGF - PHX

SGFPHX

Springfield-Branson

Fri 10/24

7:43 pm-11:17 pm

1 stop5h 34m

Phoenix Sky Harbor Intl

Mon 10/27

12:24 am-9:43 am

1 stop7h 19m

$255

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 38 results
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Best time to book a flight from Missouri to Phoenix

Have a flexible travel schedule? Discover the best time to fly to Phoenix from Missouri 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.

Cheapflights Insights

Everything you need to know about your flight from Missouri to Phoenix

What is the cheapest month to book a flight from Missouri to Phoenix?

Currently, January is the cheapest month in which you can book a flight from Missouri to Phoenix (average of $258). Flying from Missouri to Phoenix 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 MO to PHX?

Find hourly flight availability from Missouri to Phoenix. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to Phoenix as you normally would.

Reviews of airlines servicing Phoenix

Get insights into the airlines that provide service to Phoenix. 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 Phoenix. Reviews last updated July 1, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Missouri to Phoenix. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,275 reviews

Entertainment

7.6

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,275 reviews
Southwest
8.0
Very good
4,275 reviews

Entertainment

7.6

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,974 reviews
Southwest
8.0
Very good
4,275 reviews

Entertainment

7.6

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,858 reviews
Southwest
8.0
Very good
4,275 reviews

Entertainment

7.6

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,275 reviews

Entertainment

7.6

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Allegiant Air
7.2
Good
710 reviews
Southwest
8.0
Very good
4,275 reviews

Entertainment

7.6

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

Find useful and relevant information for your journey from Missouri to Phoenix. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Missouri to Phoenix one-way?

    The cheapest airlines for a one-way flight from Missouri to Phoenix are Frontier ($56), Spirit Airlines ($62), and American Airlines ($126).

  • What are the most popular routes from Missouri to Phoenix?

    Most travelers choose Kansas City - Phoenix Sky Harbor Intl, Lambert-St Louis - Phoenix Sky Harbor Intl or Springfield-Branson - Phoenix Sky Harbor Intl when deciding on the best route from Missouri to Phoenix.

  • What are the most reliable airlines from Missouri to Phoenix?

    No one likes to see their flight delayed. When booking a flight from Missouri to Phoenix consider choosing American Airlines (86%), Alaska Airlines (86%) or SkyWest Airlines (82%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Missouri to Phoenix?

    While on average a flight from Missouri to Phoenix is generally $341, our data shows the cheapest flight currently is $147. When looking at the most popular route, (Kansas City - Phoenix Sky Harbor Intl), you can expect to pay $183 for that flight.

  • Can I find deals for flights from Missouri to Phoenix that include hotel bookings?

    Yes. In addition to deals on Missouri to Phoenix flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Phoenix?

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

  • Can I find deals for business class flights from Missouri to Phoenix?

    Yes. Cheapflights offers flight deals from Missouri to Phoenix 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 Missouri to Phoenix?

    Currently, January is the cheapest month in which you can book a flight from Missouri to Phoenix (average of $258). Flying from Missouri to Phoenix 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.

See more FAQs

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Alternative routes for Missouri to Phoenix

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Missouri to Phoenix

Discover the top 7 airlines that operate flights from Missouri to Phoenix. 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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$100Average$188FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$104Average$220FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$142Average$233FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$177Average$433FlexibilityNo cancel feeOn-time71%
DeltaCheapest$196Average$347FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$203Average$462FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$264Average$409FlexibilityNo cancel feeOn-time63%

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