$40+ 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — STL
Feb 18 — Feb 251
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 January 19, 2026.
Round-trip from | $80 (Super.com) |
|---|---|
One-way from | $40 (Super.com) |
Popular in | April |
Cheapest in | December |
Average price | $352 |
Find flight deals from Phoenix to Missouri
Cheapest flights from Phoenix to MissouriExplore 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 January 19, 2026.
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 January 19, 2026.
This Super.com deal was found by Cheapflights users on 1/17. 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.
Mon 2/234:09 pm
PHX
- STL
Nonstop2h 53m
Frontier
Mon 3/28:47 pm
STL
- PHX
Nonstop3h 41m
Frontier
Deal found 1/17![Frontier logo]()
$80
This Expedia deal was found by Cheapflights users on 1/18. 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 2/192:27 pm
PHX
- MCI
Nonstop2h 32m
Frontier
Mon 2/234:49 pm
MCI
- PHX
Nonstop3h 16m
Frontier
Deal found 1/18![Frontier logo]()
$88
This Super.com deal was found by Cheapflights users on 1/18. 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 2/204:14 pm
PHX
- STL
Nonstop2h 53m
Frontier
Mon 2/238:47 pm
STL
- PHX
Nonstop3h 41m
Frontier
Deal found 1/18![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 1/17. 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 3/23:59 pm
PHX
- STL
Nonstop2h 53m
Frontier
Sat 3/78:12 pm
STL
- PHX
1 stop12h 30m
Frontier
Deal found 1/17![Frontier logo]()
$113
This Super.com deal was found by Cheapflights users on 1/18. 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 2/192:27 pm
PHX
- MCI
Nonstop2h 32m
Frontier
Sun 2/224:49 pm
MCI
- PHX
Nonstop3h 16m
Frontier
Deal found 1/18![Frontier logo]()
$117
This Frontier deal was found by Cheapflights users on 1/17. 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 stop7h 50m
Frontier
Deal found 1/17![Frontier logo]()
$128
This CheapOair deal was found by Cheapflights users on 1/18. 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.
Thu 2/197:36 pm
PHX
- STL
1 stop16h 33m
Frontier
Mon 2/238:47 pm
STL
- PHX
Nonstop3h 41m
Frontier
Deal found 1/18![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 1/18. 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.
Wed 2/116:00 am
PHX
- STL
1 stop6h 58m
Frontier
Fri 2/139:02 pm
STL
- PHX
Nonstop3h 41m
Frontier
Deal found 1/18![Frontier logo]()
$132
This Frontier deal was found by Cheapflights users on 1/17. 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.
Sat 2/78:30 am
PHX
- STL
1 stop5h 16m
Frontier
Sun 2/81:03 pm
STL
- PHX
Nonstop3h 41m
Frontier
Deal found 1/17![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 1/18. 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 2/68:15 am
PHX
- STL
Nonstop2h 53m
Frontier
Sat 2/73:46 pm
STL
- PHX
1 stop9h 07m
Frontier
Deal found 1/18![Frontier logo]()
$135
This Super.com deal was found by Cheapflights users on 1/18. 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 2/122:27 pm
PHX
- MCI
Nonstop2h 32m
Frontier
Sun 2/224:49 pm
MCI
- PHX
Nonstop3h 16m
Frontier
Deal found 1/18![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 1/17. 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 1/308:15 am
PHX
- STL
Nonstop2h 53m
Frontier
Sat 2/73:46 pm
STL
- PHX
1 stop17h 26m
Frontier
Deal found 1/17![Frontier logo]()
$136
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 January 19, 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
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Fri 2/13
4:14 pm-8:07 pm
Nonstop2h 53m
Lambert-St Louis
Mon 2/16
8:47 pm-11:28 pm
Nonstop3h 41m
$138
PhoenixKansas City
PHX - MCI
PHXMCI
Phoenix Sky Harbor Intl
Thu 2/19
1:22 pm-7:33 pm
1 stop5h 11m
Kansas City
Mon 2/23
8:33 pm-8:42 am
1 stop13h 09m
$142
PhoenixKansas City
PHX - MCI
PHXMCI
Phoenix Sky Harbor Intl
Thu 2/12
2:27 pm-5:59 pm
Nonstop2h 32m
Kansas City
Fri 2/13
6:13 pm-9:41 pm
1 stop28h 28m
$154
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Mon 3/2
3:59 pm-7:52 pm
Nonstop2h 53m
Lambert-St Louis
Sun 3/8
10:47 pm-12:28 am
Nonstop3h 41m
$155
PhoenixKansas City
PHX - MCI
PHXMCI
Phoenix Sky Harbor Intl
Sat 2/21
9:50 am-1:34 pm
Nonstop2h 44m
Kansas City
Sat 2/28
2:24 pm-4:23 pm
Nonstop2h 59m
$189
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Thu 3/5
10:51 pm-9:49 am
1 stop9h 58m
Lambert-St Louis
Mon 3/9
8:12 pm-10:59 am
2 stops16h 47m
$198
PhoenixKansas City
PHX - MCI
PHXMCI
Phoenix Sky Harbor Intl
Mon 2/9
10:08 pm-11:33 pm
1 stop24h 25m
Kansas City
Mon 2/16
11:26 am-1:44 pm
2 stops27h 18m
$227
PhoenixKansas City
PHX - MCI
PHXMCI
Phoenix Sky Harbor Intl
Thu 4/2
1:50 pm-11:31 pm
1 stop7h 41m
Kansas City
Mon 4/6
4:31 pm-10:36 am
2 stops20h 05m
$238
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Tue 5/12
12:00 pm-8:43 pm
1 stop6h 43m
Lambert-St Louis
Tue 5/19
4:06 pm-8:19 pm
1 stop6h 13m
$253
PhoenixKansas City
PHX - MCI
PHXMCI
Phoenix Sky Harbor Intl
Sun 3/29
9:24 pm-7:55 pm
1 stop20h 31m
Kansas City
Thu 4/2
4:53 pm-6:06 pm
Nonstop3h 13m
$258
Showing 1-10 of 59 results
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 January 19, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 23% 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 17, 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 January 19, 2026.
The most flights from PH1 to USMO are scheduled on a Friday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 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 January 19, 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.
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
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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 January 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$98 | Average$355 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$99 | Average$205 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$118 | Average$196 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$189 | Average$383 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$199 | Average$411 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$254 | Average$388 | FlexibilityNo cancel fee | On-time69% |