$40+ Cheap flights from Sky Harbor Intl (PHX) 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 14 — Feb 211
1 adult, Economy
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1. Tell us where you want to go
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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 Sky Harbor Intl to Missouri
Keep the following information in mind while searching for Sky Harbor Intl to Missouri flight deals. Data was last updated January 15, 2026.
Round-trip from | $104 (Super.com) |
|---|---|
One-way from | $40 (Super.com) |
Popular in | April |
Cheapest in | December |
Average price | $355 |
Good round-trip deal | $243 or less |
Good one-way deal | $127 or less |
Find flight deals from Sky Harbor Intl to Missouri
Cheapest flights from Sky Harbor Intl to MissouriExplore the most affordable flight options available from Sky Harbor Intl to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.
Explore the most affordable flight options available from Sky Harbor Intl to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.
This Super.com deal was found by Cheapflights users on 1/13. 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 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 1/13![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 1/14. 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 2/2710:39 pm
PHX
- STL
1 stop14h 17m
Frontier
Mon 3/28:47 pm
STL
- PHX
Nonstop3h 41m
Frontier
Deal found 1/14![Frontier logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 1/14. 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 1/238:15 am
PHX
- STL
Nonstop2h 53m
Frontier
Sun 1/251:03 pm
STL
- PHX
Nonstop3h 41m
Frontier
Deal found 1/14![Frontier logo]()
$127
This Frontier deal was found by Cheapflights users on 1/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:00 am
PHX
- STL
1 stop8h 53m
Frontier
Sat 2/282:51 pm
STL
- PHX
1 stop10h 08m
Frontier
Deal found 1/12![Frontier logo]()
$128
This CheapOair deal was found by Cheapflights users on 1/13. 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.
Wed 2/44:21 pm
PHX
- STL
1 stop27h 45m
Frontier
Sat 2/73:46 pm
STL
- PHX
1 stop9h 07m
Frontier
Deal found 1/13![Frontier logo]()
$129
This Expedia deal was found by Cheapflights users on 1/14. 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 2/196:57 pm
PHX
- STL
1 stop25h 29m
Frontier
Mon 2/238:47 pm
STL
- PHX
Nonstop3h 41m
Frontier
Deal found 1/14![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 1/13. 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.
Wed 2/258:04 pm
PHX
- STL
1 stop24h 22m
Frontier
Sun 3/110:11 pm
STL
- PHX
1 stop11h 59m
Frontier
Deal found 1/13![Frontier logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 1/13. 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.
Fri 2/134:14 pm
PHX
- STL
Nonstop2h 53m
Frontier
Mon 2/1610:11 pm
STL
- PHX
1 stop21h 43m
Frontier
Deal found 1/13![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 1/14. 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.
Tue 3/33:05 pm
PHX
- MCI
1 stop7h 28m
Multiple Airlines
Mon 3/98:40 pm
MCI
- PHX
1 stop19h 21m
Multiple Airlines
Deal found 1/14![Multiple Airlines logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 1/14. 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 2/44:21 pm
PHX
- MCI
1 stop6h 12m
Multiple Airlines
Sat 2/148:36 pm
MCI
- PHX
1 stop12h 36m
Multiple Airlines
Deal found 1/14![Multiple Airlines logo]()
$146
This Trip.com deal was found by Cheapflights users on 1/14. 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 2/122:27 pm
PHX
- MCI
Nonstop2h 32m
Multiple Airlines
Tue 2/177:00 am
MCI
- PHX
1 stop12h 54m
Multiple Airlines
Deal found 1/14![Multiple Airlines logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 1/14. 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.
Tue 3/33:05 pm
PHX
- MCI
1 stop7h 28m
Multiple Airlines
Sun 3/88:40 pm
MCI
- PHX
1 stop13h 02m
Multiple Airlines
Deal found 1/14![Multiple Airlines logo]()
$151
Cheapflights Fare Finder
Customize your flight search to find flights from Sky Harbor Intl 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 15, 2026.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Missouri that are best for you.
Fly from
Sky Harbor Intl
Fly to
Missouri
Route
Depart
Return
Price
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Thu 1/29
6:25 pm-6:44 pm
1 stop23h 19m
Lambert-St Louis
Sun 2/1
1:03 pm-3:44 pm
Nonstop3h 41m
$159
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Sat 1/31
8:30 am-2:46 pm
1 stop5h 16m
Lambert-St Louis
Wed 2/4
3:46 pm-11:53 pm
1 stop9h 07m
$201
PhoenixKansas City
PHX - MCI
PHXMCI
Phoenix Sky Harbor Intl
Thu 3/12
1:09 pm-7:55 pm
2 stops28h 46m
Kansas City
Tue 3/17
7:00 am-8:18 pm
1 stop15h 18m
$220
PhoenixKansas City
PHX - MCI
PHXMCI
Phoenix Sky Harbor Intl
Tue 3/24
11:33 am-11:31 pm
1 stop9h 58m
Kansas City
Tue 3/31
11:26 am-10:36 am
2 stops25h 10m
$234
PhoenixKansas City
PHX - MCI
PHXMCI
Phoenix Sky Harbor Intl
Fri 2/6
9:59 pm-11:33 pm
1 stop24h 34m
Kansas City
Mon 2/16
11:26 am-1:44 pm
2 stops27h 18m
$237
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
$238
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Thu 3/12
9:24 pm-9:49 am
1 stop10h 25m
Lambert-St Louis
Sun 3/15
10:47 pm-12:28 am
Nonstop3h 41m
$254
PhoenixKansas City
PHX - MCI
PHXMCI
Phoenix Sky Harbor Intl
Sat 3/28
9:00 am-1:36 pm
Nonstop2h 36m
Kansas City
Sun 3/29
8:40 pm-2:01 pm
1 stop19h 21m
$259
PhoenixSpringfield
PHX - SGF
PHXSGF
Phoenix Sky Harbor Intl
Thu 2/5
12:56 pm-8:36 pm
1 stop6h 40m
Springfield-Branson
Tue 2/10
7:45 am-2:16 pm
1 stop7h 31m
$265
PhoenixColumbia
PHX - COU
PHXCOU
Phoenix Sky Harbor Intl
Thu 2/26
7:05 am-2:28 pm
1 stop6h 23m
Columbia Regional
Tue 3/17
11:15 am-4:19 pm
1 stop7h 04m
$268
Showing 1-10 of 56 results
Best time to book a flight from Sky Harbor Intl to Missouri
Have a flexible travel schedule? Discover the best time to fly to Missouri from Sky Harbor Intl 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 Sky Harbor Intl Airport to Missouri
What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Missouri?
Currently, November is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Missouri (average of $101). Flying from Phoenix Sky Harbor Intl Airport to Missouri in June is currently the most expensive (average of $193). 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 Sky Harbor Intl 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 15, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 5% on flights from Phoenix Sky Harbor Intl Airport to Missouri by exploring options for tickets at noon.
What is the cheapest day to fly from Phoenix Sky Harbor Intl Airport to Missouri?
Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to Missouri. Price data was last updated on January 10, 2026.
Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Missouri flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday afternoons 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 January 15, 2026.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Phoenix Sky Harbor Intl Airport to Missouri by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Sky Harbor Intl 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 Sky Harbor Intl to Missouri
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from Sky Harbor Intl to Missouri
Discover the top 6 airlines that operate flights from Sky Harbor Intl 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 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$98 | Average$363 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$99 | Average$206 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$147 | Average$217 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$190 | Average$384 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$198 | Average$390 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$199 | Average$411 | FlexibilityNo cancel fee | On-time71% |