Missouri

$49+ 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 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — STL
Mar 5 — Mar 121
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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 February 3, 2026.

This Trip.com deal was found by Cheapflights users on 2/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/262:27 pm
PHX
-
MCI
Nonstop2h 32m
Frontier
Mon 3/24:49 pm
MCI
-
PHX
Nonstop3h 16m
Frontier
Deal found 2/1$91
This Super.com deal was found by Cheapflights users on 2/1. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2712:21 pm
PHX
-
MCI
Nonstop2h 33m
Frontier
Sun 3/14:49 pm
MCI
-
PHX
Nonstop3h 16m
Frontier
Deal found 2/1$97
This Frontier deal was found by Cheapflights users on 2/2. 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 2/192:27 pm
PHX
-
MCI
Nonstop2h 32m
Frontier
Mon 2/234:49 pm
MCI
-
PHX
Nonstop3h 16m
Frontier
Deal found 2/2$98
This Super.com deal was found by Cheapflights users on 2/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2712:21 pm
PHX
-
MCI
Nonstop2h 33m
Frontier
Mon 3/92:09 pm
MCI
-
PHX
Nonstop3h 18m
Frontier
Deal found 2/2$102
This Frontier deal was found by Cheapflights users on 2/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/259:52 am
PHX
-
STL
1 stop5h 01m
Frontier
Fri 2/279:02 pm
STL
-
PHX
Nonstop3h 41m
Frontier
Deal found 2/1$123
This Frontier deal was found by Cheapflights users on 2/3. 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 2/259:52 am
PHX
-
STL
1 stop5h 01m
Frontier
Sat 2/282:51 pm
STL
-
PHX
1 stop10h 08m
Frontier
Deal found 2/3$128
This Frontier deal was found by Cheapflights users on 2/2. 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 2/204:14 pm
PHX
-
STL
Nonstop2h 53m
Frontier
Mon 2/2310:11 pm
STL
-
PHX
1 stop16h 44m
Frontier
Deal found 2/2$133
This Super.com deal was found by Cheapflights users on 2/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/52:27 pm
PHX
-
MCI
Nonstop2h 32m
Frontier
Mon 3/92:09 pm
MCI
-
PHX
Nonstop3h 18m
Frontier
Deal found 2/2$136
This Super.com deal was found by Cheapflights users on 2/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:51 pm
PHX
-
MCI
1 stop24h 38m
Frontier
Sat 2/288:41 pm
MCI
-
PHX
1 stop12h 31m
Frontier
Deal found 2/2$139
This Frontier deal was found by Cheapflights users on 1/31. 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 2/122:27 pm
PHX
-
MCI
Nonstop2h 32m
Frontier
Sun 2/154:49 pm
MCI
-
PHX
Nonstop3h 16m
Frontier
Deal found 1/31$143
This Frontier deal was found by Cheapflights users on 2/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/134:14 pm
PHX
-
STL
Nonstop2h 53m
Frontier
Mon 2/168:47 pm
STL
-
PHX
Nonstop3h 41m
Frontier
Deal found 2/1$143
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 2/207:56 pm
PHX
-
MCI
2 stops22h 50m
Frontier
Sun 2/224:49 pm
MCI
-
PHX
Nonstop3h 16m
Frontier
Deal found 1/31$144

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 February 3, 2026.

Round-trip from

$91
(Trip.com)

One-way from

$49
(Frontier)

Popular in

April

Cheapest in

December

Average price

$359
From Phoenix to Missouri
One-way flight from Phoenix to Missouri
Highest demand for flights based on searches. 9% potential increase in price ($36 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in February 2026

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 February 3, 2026.
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

Fri 2/27

12:21 pm-3:54 pm

Nonstop2h 33m

Kansas City

Mon 3/9

2:09 pm-3:27 pm

Nonstop3h 18m

$102

PhoenixKansas City

PHX - MCI

PHXMCI

Phoenix Sky Harbor Intl

Mon 3/16

8:50 am-1:24 pm

Nonstop2h 34m

Kansas City

Mon 3/23

2:19 pm-3:37 pm

Nonstop3h 18m

$145

PhoenixSt. Louis

PHX - STL

PHXSTL

Phoenix Sky Harbor Intl

Mon 3/2

7:36 pm-6:51 am

2 stops34h 15m

Lambert-St Louis

Mon 3/9

8:12 pm-11:54 am

1 stop17h 42m

$177

PhoenixSt. Louis

PHX - STL

PHXSTL

Phoenix Sky Harbor Intl

Thu 2/26

2:34 pm-9:26 pm

1 stop5h 52m

Lambert-St Louis

Sun 3/1

10:11 pm-9:10 am

1 stop11h 59m

$177

PhoenixKansas City

PHX - MCI

PHXMCI

Phoenix Sky Harbor Intl

Wed 2/18

6:00 am-3:44 pm

1 stop8h 44m

Kansas City

Thu 2/19

6:54 pm-9:09 pm

Nonstop3h 15m

$193

PhoenixKansas City

PHX - MCI

PHXMCI

Phoenix Sky Harbor Intl

Fri 3/27

8:39 am-1:13 pm

Nonstop2h 34m

Kansas City

Mon 3/30

8:38 pm-11:51 pm

1 stop5h 13m

$197

PhoenixKansas City

PHX - MCI

PHXMCI

Phoenix Sky Harbor Intl

Wed 4/29

6:45 pm-1:30 pm

1 stop16h 45m

Kansas City

Mon 5/4

2:15 pm-5:43 pm

1 stop5h 28m

$208

PhoenixSt. Louis

PHX - STL

PHXSTL

Phoenix Sky Harbor Intl

Fri 3/13

12:08 pm-5:01 pm

Nonstop2h 53m

Lambert-St Louis

Mon 3/16

5:46 pm-7:27 pm

Nonstop3h 41m

$208

PhoenixKansas City

PHX - MCI

PHXMCI

Phoenix Sky Harbor Intl

Sat 2/14

3:15 pm-9:29 am

2 stops17h 14m

Kansas City

Sun 2/22

4:49 pm-7:05 pm

Nonstop3h 16m

$217

PhoenixSt. Louis

PHX - STL

PHXSTL

Phoenix Sky Harbor Intl

Wed 3/18

4:27 pm-12:15 pm

1 stop17h 48m

Lambert-St Louis

Mon 3/23

8:12 pm-5:46 pm

1 stop23h 34m

$225

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/31

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, January is the cheapest month in which you can book a flight from Phoenix to Missouri (average of $97). 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 February 3, 2026.

Unlike in the evening, when flights are generally more expensive, you can save up to 24% 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 January 31, 2026.

Travelers seeking maximum savings on their Phoenix to Missouri flight should consider departing on Friday afternoons when fares are most often at their lowest. Friday 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 February 3, 2026.

The most flights from PH1 to USMO are scheduled on a Friday (13 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

How much does it cost to fly round-trip from Phoenix to Missouri?

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 February 3, 2026.
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.

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

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

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

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

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

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

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

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

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

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

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

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 2h 33m. 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?

    $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?

  • 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%), Frontier (94%) and American Airlines (88%).

  • What are the cheapest flights from Phoenix to Missouri?

    On average you can expect to pay $269 for a flight from Phoenix to Missouri. The cheapest flight overall is $64 while the most popular route, (Phoenix Sky Harbor Intl - Kansas City) is currently priced at $91.

  • 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, January is the cheapest month in which you can book a flight from Phoenix to Missouri (average of $97). 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.

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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$99Average$202FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$118Average$195FlexibilityNo cancel feeOn-time88%
SouthwestCheapest$189Average$382FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$197Average$412FlexibilityNo cancel feeOn-time71%
DeltaCheapest$236Average$367FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$254Average$366FlexibilityNo cancel feeOn-time69%

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