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$88+ 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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PHX
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
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 April 15, 2025.

Round-trip from

$238
(Frontier)

One-way from

$88
(Cheapflightsfares)

Popular in

March

Cheapest in

September

Average price

$376
From Missouri to Phoenix
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One-way flight from Missouri to Phoenix
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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. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 15, 2025.

This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/118:51 pmMCI - PHX
1 stop5h 04mFrontier
Fri 5/169:35 amPHX - MCI
1 stop8h 16mFrontier
Deal found 4/14$238
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.
Thu 7/172:05 pmMCI - PHX
Nonstop2h 43mAmerican Airlines
Tue 7/228:30 amPHX - MCI
Nonstop2h 45mAmerican Airlines
Deal found 4/14$245
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/94:55 pmSGF - PHX
1 stop6h 01mUnited Airlines
Tue 5/208:30 amPHX - SGF
1 stop7h 45mUnited Airlines
Deal found 4/14$255
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.
Sat 5/176:55 pmMCI - PHX
Nonstop2h 50mSouthwest
Mon 5/195:55 amPHX - MCI
1 stop5h 40mSouthwest
Deal found 4/15$255
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/216:45 pmMCI - PHX
1 stop15h 28mSpirit Airlines
Sun 5/259:19 amPHX - MCI
1 stop7h 44mSpirit Airlines
Deal found 4/14$258
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.
Sat 5/246:45 pmMCI - PHX
1 stop15h 28mMultiple Airlines
Mon 5/267:18 amPHX - MCI
1 stop9h 46mMultiple Airlines
Deal found 4/13$263
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/175:40 pmMCI - PHX
1 stop7h 14mDelta
Tue 7/226:40 amPHX - MCI
1 stop6h 09mDelta
Deal found 4/14$265
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/297:59 amJLN - PHX
1 stop9h 14mUnited Airlines
Sat 5/35:15 amPHX - JLN
2 stops9h 43mUnited Airlines
Deal found 4/14$294
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/27:17 pmSGF - PHX
1 stop5h 02mAmerican Airlines
Sun 6/812:38 amPHX - SGF
1 stop6h 06mAmerican Airlines
Deal found 4/15$304
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.
Fri 5/96:15 pmSTL - PHX
Nonstop3h 25mSouthwest
Mon 5/1212:35 pmPHX - STL
1 stop6h 00mSouthwest
Deal found 4/14$305
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/132:27 pmSTL - PHX
1 stop8h 48mFrontier
Mon 6/236:00 amPHX - STL
1 stop5h 42mFrontier
Deal found 4/14$306
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.
Wed 5/216:52 amSTL - PHX
1 stop7h 05mAmerican Airlines
Mon 5/267:01 pmPHX - STL
Nonstop2h 57mAmerican Airlines
Deal found 4/14$309

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 April 15, 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

Sun 5/11

8:51 pm-11:55 pm

1 stop5h 04m

Phoenix Sky Harbor Intl

Fri 5/16

9:35 am-7:51 pm

1 stop8h 16m

$238

Kansas CityPhoenix

MCI - PHX

MCIPHX

Kansas City

Thu 7/17

2:05 pm-2:48 pm

Nonstop2h 43m

Phoenix Sky Harbor Intl

Tue 7/22

8:30 am-1:15 pm

Nonstop2h 45m

$245

SpringfieldPhoenix

SGF - PHX

SGFPHX

Springfield-Branson

Fri 5/9

4:55 pm-8:56 pm

1 stop6h 01m

Phoenix Sky Harbor Intl

Tue 5/20

8:30 am-6:15 pm

1 stop7h 45m

$255

Kansas CityPhoenix

MCI - PHX

MCIPHX

Kansas City

Sat 5/17

6:55 pm-7:45 pm

Nonstop2h 50m

Phoenix Sky Harbor Intl

Mon 5/19

5:55 am-1:35 pm

1 stop5h 40m

$255

Kansas CityPhoenix

MCI - PHX

MCIPHX

Kansas City

Wed 5/21

6:45 pm-8:13 am

1 stop15h 28m

Phoenix Sky Harbor Intl

Sun 5/25

9:19 am-7:03 pm

1 stop7h 44m

$258

Kansas CityPhoenix

MCI - PHX

MCIPHX

Kansas City

Sat 5/24

6:45 pm-8:13 am

1 stop15h 28m

Phoenix Sky Harbor Intl

Mon 5/26

7:18 am-7:04 pm

1 stop9h 46m

$263

Kansas CityPhoenix

MCI - PHX

MCIPHX

Kansas City

Thu 7/17

5:40 pm-10:54 pm

1 stop7h 14m

Phoenix Sky Harbor Intl

Tue 7/22

6:40 am-2:49 pm

1 stop6h 09m

$265

JoplinPhoenix

JLN - PHX

JLNPHX

Joplin

Tue 4/29

7:59 am-3:13 pm

1 stop9h 14m

Phoenix Sky Harbor Intl

Sat 5/3

5:15 am-4:58 pm

2 stops9h 43m

$294

SpringfieldPhoenix

SGF - PHX

SGFPHX

Springfield-Branson

Mon 6/2

7:17 pm-10:19 pm

1 stop5h 02m

Phoenix Sky Harbor Intl

Sun 6/8

12:38 am-8:44 am

1 stop6h 06m

$304

St. LouisPhoenix

STL - PHX

STLPHX

Lambert-St Louis

Fri 5/9

6:15 pm-7:40 pm

Nonstop3h 25m

Phoenix Sky Harbor Intl

Mon 5/12

12:35 pm-8:35 pm

1 stop6h 00m

$305

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 47 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 April 15, 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.

Rainfall in Phoenix by month

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

In terms of precipitation, rainfall in Phoenix 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 Phoenix when rainfall is around 0.0 in.

Temperature in Phoenix by month

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

If weather is an important factor for your trip to Phoenix, 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 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 April 15, 2025.
To help decide which airline to fly from Missouri to Phoenix, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,871 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,871 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,279 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,656 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Allegiant Air
7.3
Good
734 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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 ($88), Spirit Airlines ($100), and American Airlines ($123).

  • 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 SkyWest Airlines (88%), American Airlines (86%) or Alaska Airlines (86%) 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 $610, our data shows the cheapest flight currently is $145. When looking at the most popular route, (Kansas City - Phoenix Sky Harbor Intl), you can expect to pay $200 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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$75Average$155FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$112Average$244FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$131Average$438FlexibilityNo cancel feeOn-time71%
Allegiant AirCheapest$142Average$208FlexibilityNo cancel feeOn-time88%
DeltaCheapest$197Average$314FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$218Average$453FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$281Average$415FlexibilityNo cancel feeOn-time63%

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