$29+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — STL
Jan 3 — Jan 101
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 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 December 4, 2025.
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 December 4, 2025.
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:20 amPHX - MCI
Nonstop2h 38mFrontier
Thu 12/2511:53 amMCI - PHX
Nonstop3h 02mFrontier
Deal found 12/2![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:20 amPHX - MCI
Nonstop2h 38mFrontier
Mon 1/58:45 pmMCI - PHX
1 stop4h 44mFrontier
Deal found 12/1![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:20 amPHX - MCI
Nonstop2h 38mFrontier
Mon 12/228:45 pmMCI - PHX
1 stop4h 44mFrontier
Deal found 12/3![Frontier logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/159:16 amPHX - MCI
1 stop9h 34mFrontier
Thu 12/1811:53 amMCI - PHX
Nonstop3h 02mFrontier
Deal found 12/2![Frontier logo]()
$151
This CheapOair deal was found by Cheapflights users on 12/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2010:31 pmPHX - MCI
1 stop20h 20mFrontier
Sun 1/48:45 pmMCI - PHX
1 stop12h 36mFrontier
Deal found 12/2![Frontier logo]()
$165
This Frontier deal was found by Cheapflights users on 12/1. 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.
Mon 12/157:25 amPHX - STL
Nonstop2h 57mFrontier
Fri 1/210:10 pmSTL - PHX
1 stop12h 30mFrontier
Deal found 12/1![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 12/4. 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 12/187:20 amPHX - MCI
Nonstop2h 38mFrontier
Sun 12/214:32 pmMCI - PHX
Nonstop3h 02mFrontier
Deal found 12/4![Frontier logo]()
$169
This CheapOair deal was found by Cheapflights users on 12/4. 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 12/227:00 amPHX - MCI
1 stop11h 50mFrontier
Tue 12/238:45 pmMCI - PHX
1 stop12h 36mFrontier
Deal found 12/4![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/157:25 amPHX - STL
Nonstop2h 57mFrontier
Thu 1/15:19 pmSTL - PHX
1 stop16h 29mFrontier
Deal found 12/1![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1210:36 pmPHX - STL
2 stops10h 38mFrontier
Sun 12/141:16 pmSTL - PHX
1 stop20h 32mFrontier
Deal found 12/1![Frontier logo]()
$183
This CheapOair deal was found by Cheapflights users on 12/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/177:43 pmPHX - STL
1 stop19h 41mFrontier
Sat 12/207:43 pmSTL - PHX
1 stop13h 38mFrontier
Deal found 12/2![Frontier logo]()
$184
This American Airlines deal was found by Cheapflights users on 12/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:25 pmPHX - MCI
Nonstop2h 37mAmerican Airlines
Wed 1/73:07 pmMCI - PHX
Nonstop3h 03mAmerican Airlines
Deal found 12/2![American Airlines logo]()
$185
Find 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 December 4, 2025.
Round-trip from | $116 (Kiwi.com) |
|---|---|
One-way from | $29 (Frontier) |
Popular in | January |
Cheapest in | October |
Average price | $408 |
Good round-trip deal | $170 or less |
Good one-way deal | $69 or less |
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 December 4, 2025.
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
Wed 1/21
8:30 am-2:46 pm
1 stop5h 16m
Lambert-St Louis
Sun 1/25
5:42 pm-3:35 pm
2 stops22h 53m
$173
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Thu 1/22
4:41 pm-6:44 pm
2 stops25h 03m
Lambert-St Louis
Sun 1/25
9:27 pm-8:20 am
1 stop11h 53m
$175
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Tue 1/20
3:06 pm-6:51 am
2 stops14h 45m
Lambert-St Louis
Mon 1/26
1:40 pm-1:40 pm
1 stop25h 00m
$184
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Tue 1/20
3:06 pm-6:51 am
2 stops14h 45m
Lambert-St Louis
Sun 1/25
9:27 pm-8:20 am
1 stop11h 53m
$196
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Fri 1/16
7:34 pm-2:48 pm
1 stop18h 14m
Lambert-St Louis
Tue 1/20
5:42 pm-1:40 pm
2 stops20h 58m
$212
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Sat 2/21
6:00 am-9:50 am
Nonstop2h 50m
Lambert-St Louis
Sat 2/28
5:50 am-8:30 am
Nonstop3h 40m
$218
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Fri 2/20
9:23 am-4:49 pm
1 stop6h 26m
Lambert-St Louis
Mon 2/23
7:43 pm-10:50 pm
1 stop28h 07m
$218
PhoenixSpringfield
PHX - SGF
PHXSGF
Phoenix Sky Harbor Intl
Thu 1/8
1:55 pm-9:46 pm
1 stop6h 51m
Springfield-Branson
Mon 1/12
5:00 pm-11:40 pm
1 stop7h 40m
$219
PhoenixSpringfield
PHX - SGF
PHXSGF
Phoenix Sky Harbor Intl
Fri 2/6
6:30 am-4:14 pm
1 stop8h 44m
Springfield-Branson
Sun 2/8
4:29 pm-11:00 pm
1 stop7h 31m
$219
PhoenixSpringfield
PHX - SGF
PHXSGF
Phoenix Sky Harbor Intl
Fri 2/6
1:57 pm-9:58 pm
1 stop7h 01m
Springfield-Branson
Mon 2/9
5:03 pm-9:54 pm
1 stop5h 51m
$219
Showing 1-10 of 60 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, December 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 December 4, 2025.
Unlike at noon, when flights are generally more expensive, you can save up to 30% on flights from Phoenix Sky Harbor Intl Airport to Missouri by exploring options for tickets in the evening.
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 December 16, 2024.
Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Missouri flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Phoenix Sky Harbor Intl Airport to Missouri
Explore weekly flight availability from Sky Harbor Intl 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 December 4, 2025.
The most flights from PHX to USMO are scheduled on a Tuesday (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 December 4, 2025.
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.
Boarding
8.1
Food
7.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
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 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 December 4, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$100 | Average$211 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$111 | Average$382 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$147 | Average$217 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$194 | Average$389 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$198 | Average$400 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$206 | Average$415 | FlexibilityNo cancel fee | On-time71% |