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$29+ Cheap flights from Phoenix to Missouri

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 12/25. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — STL
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Cheap flight deals from Phoenix to Missouri

Keep the following information in mind while searching for Phoenix to Missouri flight deals. Data was last updated November 13, 2025.

Round-trip from

$126
(CheapOair)

One-way from

$29
(Priceline)

Popular in

January

Cheapest in

November

Average price

$337
From Phoenix to Missouri
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One-way flight from Phoenix to Missouri
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Phoenix to Missouri

Cheapest flights from Phoenix to Missouri
Explore the most affordable flight options available from Phoenix to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

This Expedia deal was found by Cheapflights users on 11/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/117:00 amPHX - MCI
1 stop11h 14mFrontier
Sun 1/118:23 pmMCI - PHX
1 stop5h 06mFrontier
Deal found 11/13$128
This Frontier deal was found by Cheapflights users on 11/11. 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.
Tue 11/2510:05 amPHX - MCI
1 stop8h 29mFrontier
Thu 11/2710:26 amMCI - PHX
Nonstop3h 03mFrontier
Deal found 11/11$138
This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
Fri 12/1910:31 pmPHX - MCI
1 stop20h 20mFrontier
Thu 1/111:53 amMCI - PHX
Nonstop3h 02mFrontier
Deal found 11/10$141
This Kiwi.com deal was found by Cheapflights users on 11/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:20 amPHX - MCI
Nonstop2h 38mFrontier
Tue 12/308:45 pmMCI - PHX
1 stop18h 48mFrontier
Deal found 11/13$143
This Frontier deal was found by Cheapflights users on 11/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/249:31 amPHX - MCI
1 stop9h 19mFrontier
Wed 12/318:45 pmMCI - PHX
1 stop4h 44mFrontier
Deal found 11/13$144
This Expedia deal was found by Cheapflights users on 11/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/119:16 amPHX - MCI
1 stop8h 58mFrontier
Thu 12/1811:53 amMCI - PHX
Nonstop3h 02mFrontier
Deal found 11/13$145
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Thu 12/2510:31 pmPHX - MCI
1 stop20h 19mFrontier
Thu 1/111:53 amMCI - PHX
Nonstop3h 02mFrontier
Deal found 11/12$146
This CheapOair deal was found by Cheapflights users on 11/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/67:43 pmPHX - STL
1 stop15h 29mFrontier
Sun 12/79:14 pmSTL - PHX
1 stop12h 34mFrontier
Deal found 11/13$146
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Thu 12/2512:59 amPHX - STL
1 stop7h 46mFrontier
Fri 1/210:10 pmSTL - PHX
1 stop12h 30mFrontier
Deal found 11/12$147
This Trip.com deal was found by Cheapflights users on 11/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/107:43 pmPHX - STL
1 stop15h 29mFrontier
Wed 12/177:43 pmSTL - PHX
1 stop26h 43mFrontier
Deal found 11/12$148
This Kiwi.com deal was found by Cheapflights users on 11/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2810:31 pmPHX - MCI
1 stop20h 19mFrontier
Sat 1/38:45 pmMCI - PHX
1 stop4h 59mFrontier
Deal found 11/13$149
This CheapOair deal was found by Cheapflights users on 11/12. 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.
Mon 12/111:14 amPHX - STL
Nonstop2h 54mFrontier
Fri 12/510:44 pmSTL - PHX
1 stop16h 03mFrontier
Deal found 11/12$149

Cheapflights Fare Finder

 
Customize your flight search to find flights from Phoenix to Missouri 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 November 13, 2025.
Use the filters below to find and compare flights from Phoenix to Missouri that are best for you.

Fly from

Phoenix

Fly to

Missouri

Route

Depart

Return

Price

PhoenixKansas City

PHX - MCI

PHXMCI

Phoenix Sky Harbor Intl

Tue 12/2

4:25 pm-7:55 pm

Nonstop2h 30m

Kansas City

Sat 12/6

7:15 am-9:15 am

Nonstop3h 00m

$159

PhoenixSt. Louis

PHX - STL

PHXSTL

Phoenix Sky Harbor Intl

Wed 12/10

4:32 pm-11:07 am

2 stops17h 35m

Lambert-St Louis

Wed 12/17

7:43 pm-8:21 am

1 stop13h 38m

$166

PhoenixKansas City

PHX - MCI

PHXMCI

Phoenix Sky Harbor Intl

Tue 12/30

7:00 am-7:50 pm

1 stop11h 50m

Kansas City

Sat 1/3

8:45 pm-12:44 am

1 stop4h 59m

$183

PhoenixKansas City

PHX - MCI

PHXMCI

Phoenix Sky Harbor Intl

Mon 12/8

12:59 am-10:00 am

1 stop8h 01m

Kansas City

Tue 12/16

6:40 am-2:00 pm

1 stop8h 20m

$197

PhoenixSt. Louis

PHX - STL

PHXSTL

Phoenix Sky Harbor Intl

Wed 11/26

7:41 pm-2:29 pm

2 stops17h 48m

Lambert-St Louis

Sun 11/30

9:54 pm-9:38 pm

1 stop24h 44m

$212

PhoenixSt. Louis

PHX - STL

PHXSTL

Phoenix Sky Harbor Intl

Tue 1/6

2:42 pm-8:58 pm

1 stop5h 16m

Lambert-St Louis

Tue 1/13

8:05 am-2:16 pm

1 stop7h 11m

$217

PhoenixKansas City

PHX - MCI

PHXMCI

Phoenix Sky Harbor Intl

Sun 11/23

12:59 am-9:52 am

1 stop7h 53m

Kansas City

Wed 12/3

2:20 pm-6:57 pm

1 stop5h 37m

$223

PhoenixKansas City

PHX - MCI

PHXMCI

Phoenix Sky Harbor Intl

Fri 12/5

6:30 pm-12:29 am

1 stop4h 59m

Kansas City

Tue 12/9

2:20 pm-6:57 pm

1 stop5h 37m

$223

PhoenixSt. Louis

PHX - STL

PHXSTL

Phoenix Sky Harbor Intl

Fri 11/28

10:11 pm-10:02 am

1 stop10h 51m

Lambert-St Louis

Sun 11/30

9:54 pm-9:38 pm

1 stop24h 44m

$223

PhoenixSt. Louis

PHX - STL

PHXSTL

Phoenix Sky Harbor Intl

Wed 12/10

8:02 pm-11:56 pm

Nonstop2h 54m

Lambert-St Louis

Wed 12/17

2:37 pm-5:06 pm

Nonstop3h 29m

$228

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/13

Showing 1-10 of 60 results
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Best time to book a flight from Phoenix to Missouri

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

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

Currently, November is the cheapest month in which you can book a flight from Phoenix to Missouri (average of $102). Flying from Phoenix to Missouri in June is currently the most expensive (average of $138). 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 PHX to MO?

Find hourly flight availability from Phoenix to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 13, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 27% on flights from Phoenix to Missouri by exploring options for tickets in the evening.

What is the cheapest day to fly from Phoenix to Missouri?

Use this chart to determine the cheapest time to fly round-trip from Phoenix to Missouri. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Phoenix to Missouri flight should consider departing on Friday afternoons when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Phoenix to Missouri

Explore weekly flight availability from Phoenix to Missouri. 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 13, 2025.

The most flights from PH1 to USMO are scheduled on a Thursday (10 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

Reviews of airlines servicing Missouri

Get insights into the airlines that provide service to Missouri. 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 Missouri. Reviews last updated November 13, 2025.
Peruse reviews from past customers who have flown with Southwest, United Airlines, and American Airlines from Phoenix to Missouri to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,236 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,236 reviews
Southwest
8.0
Very good
4,236 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,015 reviews
Southwest
8.0
Very good
4,236 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,049 reviews
Southwest
8.0
Very good
4,236 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Allegiant Air
7.2
Good
698 reviews
Southwest
8.0
Very good
4,236 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,114 reviews
Southwest
8.0
Very good
4,236 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

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

  • How long is the flight from Phoenix to Missouri?

    Departing from Phoenix to Missouri will take you 2h 30m. The distance from Phoenix to Missouri is about 1040 mi. This flight may include one or multiple stops.

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

    $54 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Southwest and American Airlines, with prices starting from $105 and $126, respectively.

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

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

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

    The top 3 most reliable airlines when flying from Phoenix to Missouri are SkyWest Airlines (89%), Southwest (83%) and Alaska Airlines (78%).

  • What are the cheapest flights from Phoenix to Missouri?

    On average you can expect to pay $262 for a flight from Phoenix to Missouri. The cheapest flight overall is $70 while the most popular route, (Phoenix Sky Harbor Intl - Lambert-St Louis) is currently priced at $133.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Phoenix to Missouri (average of $102). Flying from Phoenix to Missouri in June is currently the most expensive (average of $138). 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 Phoenix to Missouri

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

Discover the top 7 airlines that operate flights from Phoenix to Missouri. 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$103Average$210FlexibilityNo cancel feeOn-time62%
DeltaCheapest$111Average$374FlexibilityNo cancel feeOn-timeN/A
Allegiant AirCheapest$118Average$193FlexibilityNo cancel feeOn-time88%
SouthwestCheapest$196Average$391FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$198Average$418FlexibilityNo cancel feeOn-time69%
Spirit AirlinesCheapest$209Average$353FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$221Average$417FlexibilityNo cancel feeOn-time71%

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