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$48+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — STL
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
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Cheap 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 December 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/25. 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 12/263:50 pmPHX - STL
Nonstop2h 57mFrontier
Wed 1/77:43 pmSTL - PHX
1 stop5h 46mFrontier
Deal found 12/25$209
This Cheapflightsfares deal was found by Cheapflights users on 12/26. 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.
Mon 12/294:10 pmPHX - STL
Nonstop2h 57mFrontier
Mon 1/57:43 pmSTL - PHX
1 stop5h 46mFrontier
Deal found 12/26$210
This Expedia deal was found by Cheapflights users on 12/25. 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.
Mon 12/294:10 pmPHX - STL
Nonstop2h 57mFrontier
Thu 1/2910:01 pmSTL - PHX
1 stop11h 19mFrontier
Deal found 12/25$215
This Kiwi.com deal was found by Cheapflights users on 12/26. 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 12/263:50 pmPHX - STL
Nonstop2h 57mFrontier
Mon 12/298:52 pmSTL - PHX
Nonstop3h 31mFrontier
Deal found 12/26$220
This Kiwi.com deal was found by Cheapflights users on 12/25. 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 12/294:10 pmPHX - STL
Nonstop2h 57mMultiple Airlines
Thu 1/299:50 amSTL - PHX
3 stops23h 22mMultiple Airlines
Deal found 12/25$324
This Frontier deal was found by Cheapflights users on 12/26. 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 12/309:31 amPHX - MCI
1 stop9h 19mFrontier
Mon 1/58:45 pmMCI - PHX
1 stop4h 44mFrontier
Deal found 12/26$333
This Delta deal was found by Cheapflights users on 12/26. 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.
Sun 12/282:00 pmPHX - SGF
1 stop7h 20mDelta
Sat 1/106:00 amSGF - PHX
1 stop7h 24mDelta
Deal found 12/26$364
This Expedia deal was found by Cheapflights users on 12/25. 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.
Mon 12/299:31 amPHX - MCI
1 stop9h 19mFrontier
Fri 1/28:45 pmMCI - PHX
1 stop4h 44mFrontier
Deal found 12/25$367
This Priceline deal was found by Cheapflights users on 12/25. 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.
Sun 12/289:31 amPHX - MCI
1 stop9h 20mFrontier
Sat 1/38:45 pmMCI - PHX
1 stop4h 59mFrontier
Deal found 12/25$372
This Booking.com deal was found by Cheapflights users on 12/26. 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.
Wed 12/319:31 amPHX - MCI
1 stop9h 19mFrontier
Sun 1/48:45 pmMCI - PHX
1 stop4h 44mFrontier
Deal found 12/26$376
This Delta deal was found by Cheapflights users on 12/25. 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.
Fri 12/267:00 amPHX - SGF
1 stop8h 23mDelta
Fri 1/26:00 amSGF - PHX
1 stop7h 35mDelta
Deal found 12/25$409
This Kiwi.com deal was found by Cheapflights users on 12/25. 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 12/289:31 amPHX - MCI
1 stop9h 20mFrontier
Wed 12/318:45 pmMCI - PHX
1 stop4h 44mFrontier
Deal found 12/25$440

Find flight deals from Phoenix to Missouri

Keep the following information in mind while searching for Phoenix to Missouri flight deals. Data was last updated December 28, 2025.

Round-trip from

$127
(Kiwi.com)

One-way from

$48
(Super.com)

Popular in

April

Cheapest in

November

Average price

$376
From Phoenix to Missouri
Search Deals
One-way flight from Phoenix to Missouri
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 28, 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

Thu 2/19

10:51 pm-5:28 pm

1 stop17h 37m

Kansas City

Mon 2/23

4:49 pm-7:05 pm

Nonstop3h 16m

$132

PhoenixKansas City

PHX - MCI

PHXMCI

Phoenix Sky Harbor Intl

Fri 2/6

1:20 pm-7:51 pm

1 stop5h 31m

Kansas City

Mon 2/9

8:41 pm-8:42 am

1 stop13h 01m

$143

PhoenixKansas City

PHX - MCI

PHXMCI

Phoenix Sky Harbor Intl

Wed 2/25

6:00 am-3:44 pm

1 stop8h 44m

Kansas City

Tue 3/3

7:00 am-1:55 pm

1 stop7h 55m

$156

PhoenixSt. Louis

PHX - STL

PHXSTL

Phoenix Sky Harbor Intl

Sat 1/24

4:32 pm-12:50 pm

2 stops43h 18m

Lambert-St Louis

Sat 1/31

3:46 pm-11:53 pm

1 stop9h 07m

$179

PhoenixKansas City

PHX - MCI

PHXMCI

Phoenix Sky Harbor Intl

Sat 1/24

4:32 pm-7:51 pm

2 stops26h 19m

Kansas City

Sat 1/31

7:00 am-10:30 pm

1 stop16h 30m

$195

PhoenixKansas City

PHX - MCI

PHXMCI

Phoenix Sky Harbor Intl

Thu 3/5

10:51 pm-7:55 pm

1 stop20h 04m

Kansas City

Mon 3/9

8:40 pm-11:51 pm

1 stop5h 11m

$200

PhoenixSt. Louis

PHX - STL

PHXSTL

Phoenix Sky Harbor Intl

Thu 2/19

2:34 pm-9:26 pm

1 stop5h 52m

Lambert-St Louis

Mon 2/23

1:54 pm-6:26 pm

1 stop5h 32m

$202

PhoenixKansas City

PHX - MCI

PHXMCI

Phoenix Sky Harbor Intl

Wed 1/21

10:15 am-11:33 pm

2 stops12h 18m

Kansas City

Sat 1/24

7:00 am-10:30 pm

1 stop16h 30m

$209

PhoenixSt. Louis

PHX - STL

PHXSTL

Phoenix Sky Harbor Intl

Tue 1/20

1:31 pm-10:00 pm

1 stop7h 29m

Lambert-St Louis

Tue 1/27

6:00 am-12:24 pm

1 stop7h 24m

$217

PhoenixSt. Louis

PHX - STL

PHXSTL

Phoenix Sky Harbor Intl

Wed 2/18

8:04 pm-9:26 pm

1 stop24h 22m

Lambert-St Louis

Sat 2/21

2:51 pm-11:59 pm

1 stop10h 08m

$221

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/27

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 $101). 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 December 28, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 22% on flights from Phoenix to Missouri by exploring options for tickets in the afternoon.

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 27, 2025.

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.

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 December 28, 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
4,256 reviews

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,256 reviews
Southwest
8.0
Very good
4,256 reviews

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,116 reviews
Southwest
8.0
Very good
4,256 reviews

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,073 reviews
Southwest
8.0
Very good
4,256 reviews

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Allegiant Air
7.2
Good
703 reviews
Southwest
8.0
Very good
4,256 reviews

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.8
Fair
3,070 reviews
Southwest
8.0
Very good
4,256 reviews

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 7h 29m. The distance from Phoenix to Missouri is about 1258 mi. This flight may include one or multiple stops.

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

    $31 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Allegiant Air and Southwest, with prices starting from $75 and $79, 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 (100%), Alaska Airlines (89%) and American Airlines (88%).

  • What are the cheapest flights from Phoenix to Missouri?

    On average you can expect to pay $256 for a flight from Phoenix to Missouri. The cheapest flight overall is $80 while the most popular route, (Phoenix Sky Harbor Intl - Lambert-St Louis) is currently priced at $177.

  • 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 $101). 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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See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Phoenix to Missouri

Discover the top 6 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 December 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$100Average$209FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$118Average$197FlexibilityNo cancel feeOn-time88%
DeltaCheapest$129Average$368FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$191Average$385FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$198Average$379FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$200Average$412FlexibilityNo cancel feeOn-time71%

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