$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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — STL
Feb 21 — Feb 281
1 adult, Economy
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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
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 22, 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 22, 2026.
This CheapOair deal was found by Cheapflights users on 1/20. 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 2/234:09 pm
PHX
- STL
Nonstop2h 53m
Frontier
Mon 3/28:47 pm
STL
- PHX
Nonstop3h 41m
Frontier
Deal found 1/20![Frontier logo]()
$58
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 2/192:27 pm
PHX
- MCI
Nonstop2h 32m
Frontier
Mon 2/234:49 pm
MCI
- PHX
Nonstop3h 16m
Frontier
Deal found 1/21![Frontier logo]()
$67
This Super.com deal was found by Cheapflights users on 1/21. 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 3/24:49 pm
MCI
- PHX
Nonstop3h 16m
Frontier
Deal found 1/21![Frontier logo]()
$74
This Expedia deal was found by Cheapflights users on 1/20. 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.
Fri 2/204:14 pm
PHX
- STL
Nonstop2h 53m
Frontier
Mon 2/238:47 pm
STL
- PHX
Nonstop3h 41m
Frontier
Deal found 1/20![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 2/119:52 am
PHX
- MCI
1 stop4h 52m
Frontier
Mon 2/234:49 pm
MCI
- PHX
Nonstop3h 16m
Frontier
Deal found 1/21![Frontier logo]()
$97
This CheapOair deal was found by Cheapflights users on 1/20. 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 2/192:27 pm
PHX
- MCI
Nonstop2h 32m
Frontier
Sat 2/288:41 pm
MCI
- PHX
1 stop12h 31m
Frontier
Deal found 1/20![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
Sat 2/149:22 am
PHX
- MCI
1 stop9h 24m
Frontier
Mon 2/234:49 pm
MCI
- PHX
Nonstop3h 16m
Frontier
Deal found 1/21![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 2/192:27 pm
PHX
- MCI
Nonstop2h 32m
Frontier
Thu 2/269:24 pm
MCI
- PHX
1 stop22h 12m
Frontier
Deal found 1/21![Frontier logo]()
$115
This WAYA deal was found by Cheapflights users on 1/21. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/116:00 am
PHX
- MCI
1 stop8h 44m
Frontier
Wed 2/254:39 pm
MCI
- PHX
1 stop8h 20m
Frontier
Deal found 1/21![Frontier logo]()
$124
This Super.com deal was found by Cheapflights users on 1/19. 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 2/68:15 am
PHX
- STL
Nonstop2h 53m
Frontier
Sun 2/81:03 pm
STL
- PHX
Nonstop3h 41m
Frontier
Deal found 1/19![Frontier logo]()
$127
This Expedia deal was found by Cheapflights users on 1/21. 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.
Wed 2/186:51 pm
PHX
- MCI
1 stop23h 42m
Frontier
Wed 2/254:39 pm
MCI
- PHX
1 stop8h 20m
Frontier
Deal found 1/21![Frontier logo]()
$128
This Frontier deal was found by Cheapflights users on 1/21. 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 1/21![Frontier logo]()
$128
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 January 22, 2026.
Round-trip from | $58 (CheapOair) |
|---|---|
One-way from | $29 (Super.com) |
Popular in | April |
Cheapest in | December |
Average price | $352 |
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 22, 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
Wed 2/11
9:52 am-3:44 pm
1 stop4h 52m
Kansas City
Mon 2/23
4:49 pm-7:05 pm
Nonstop3h 16m
$97
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Wed 2/25
6:00 am-3:53 pm
1 stop8h 53m
Lambert-St Louis
Sun 3/1
10:11 pm-8:34 pm
1 stop23h 23m
$129
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Thu 2/5
4:52 pm-8:48 pm
1 stop26h 56m
Lambert-St Louis
Sun 2/8
1:03 pm-3:44 pm
Nonstop3h 41m
$139
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Fri 2/27
6:00 am-1:09 pm
1 stop6h 09m
Lambert-St Louis
Sun 3/1
10:11 pm-3:03 pm
2 stops17h 52m
$182
PhoenixKansas City
PHX - MCI
PHXMCI
Phoenix Sky Harbor Intl
Thu 2/19
9:17 am-7:33 pm
1 stop9h 16m
Kansas City
Thu 2/26
9:24 pm-12:22 pm
2 stops15h 58m
$191
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Sun 3/15
5:09 pm-10:02 pm
Nonstop2h 53m
Lambert-St Louis
Wed 3/18
4:51 pm-11:44 pm
1 stop8h 53m
$228
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Fri 3/6
10:24 pm-9:49 am
1 stop10h 25m
Lambert-St Louis
Sat 3/14
8:12 pm-11:59 pm
2 stops53h 47m
$232
PhoenixSpringfield
PHX - SGF
PHXSGF
Phoenix Sky Harbor Intl
Wed 2/25
8:25 am-4:21 pm
1 stop6h 56m
Springfield-Branson
Tue 3/3
6:00 am-12:23 pm
1 stop7h 23m
$251
PhoenixSpringfield
PHX - SGF
PHXSGF
Phoenix Sky Harbor Intl
Tue 2/17
12:51 am-9:55 am
1 stop8h 04m
Springfield-Branson
Wed 2/25
6:05 pm-12:04 am
1 stop6h 59m
$251
PhoenixSpringfield
PHX - SGF
PHXSGF
Phoenix Sky Harbor Intl
Sat 2/21
6:00 am-3:58 pm
1 stop8h 58m
Springfield-Branson
Tue 2/24
6:05 pm-12:04 am
1 stop6h 59m
$251
Showing 1-10 of 60 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 22, 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 22, 2026.
The most flights from PH1 to USMO are scheduled on a Monday (9 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 January 22, 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.
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
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 22, 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% |