Missouri

$55+ 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — STL
Feb 10 — Feb 171
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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 11, 2026.

Round-trip from

$123
(Kiwi.com)

One-way from

$55
(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
From Phoenix Sky Harbor Intl to Missouri
One-way flight from Phoenix Sky Harbor Intl to Missouri
Highest demand for flights based on searches. 8% potential increase in price ($34 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Average for round-trip flights in January 2026
Price to beat on a round-trip flight from Phoenix Sky Harbor Intl to Missouri.
Price to beat on a one-way flight from Phoenix Sky Harbor Intl to Missouri.

Find flight deals from Sky Harbor Intl to Missouri

Cheapest flights from Sky Harbor Intl to Missouri
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 11, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/9. 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 2/269:17 amPHX - MCI
1 stop10h 12mFrontier
Thu 3/56:54 pmMCI - PHX
Nonstop3h 15mFrontier
Deal found 1/9$123
This CheapOair deal was found by Cheapflights users on 1/10. 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 2/256:00 amPHX - MCI
1 stop8h 44mFrontier
Sat 2/288:41 pmMCI - PHX
1 stop12h 31mFrontier
Deal found 1/10$129
This CheapOair deal was found by Cheapflights users on 1/8. 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 2/258:04 pmPHX - STL
1 stop24h 22mFrontier
Sat 2/282:51 pmSTL - PHX
1 stop10h 08mFrontier
Deal found 1/8$129
This Kiwi.com deal was found by Cheapflights users on 1/9. 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 3/52:27 pmPHX - MCI
Nonstop2h 32mFrontier
Sun 3/88:40 pmMCI - PHX
1 stop13h 02mFrontier
Deal found 1/9$131
This Kiwi.com deal was found by Cheapflights users on 1/8. 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 pmPHX - STL
1 stop14h 17mFrontier
Mon 3/28:47 pmSTL - PHX
Nonstop3h 41mFrontier
Deal found 1/8$131
This Kiwi.com deal was found by Cheapflights users on 1/9. 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 2/43:55 pmPHX - MCI
1 stop27h 03mFrontier
Mon 2/98:41 pmMCI - PHX
1 stop13h 01mFrontier
Deal found 1/9$133
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 1/226:25 pmPHX - STL
1 stop23h 19mFrontier
Mon 1/261:40 pmSTL - PHX
1 stop12h 00mFrontier
Deal found 1/7$133
This Kiwi.com deal was found by Cheapflights users on 1/8. 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 3/64:11 pmPHX - STL
1 stop16h 38mFrontier
Wed 3/118:12 pmSTL - PHX
1 stop13h 30mFrontier
Deal found 1/8$134
This Kiwi.com deal was found by Cheapflights users on 1/8. 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 1/307:00 amPHX - STL
1 stop10h 44mFrontier
Sun 2/19:32 pmSTL - PHX
1 stop11h 48mFrontier
Deal found 1/8$135
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 amPHX - STL
1 stop6h 58mFrontier
Mon 2/161:54 pmSTL - PHX
1 stop8h 35mFrontier
Deal found 1/7$137
This CheapOair deal was found by Cheapflights users on 1/9. 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 2/43:55 pmPHX - MCI
1 stop27h 03mFrontier
Wed 2/115:48 pmMCI - PHX
1 stop7h 11mFrontier
Deal found 1/9$140
This Kiwi.com deal was found by Cheapflights users on 1/9. 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 2/43:55 pmPHX - MCI
1 stop27h 03mMultiple Airlines
Wed 2/117:00 amMCI - PHX
2 stops33h 48mMultiple Airlines
Deal found 1/9$141

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 11, 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

PhoenixKansas City

PHX - MCI

PHXMCI

Phoenix Sky Harbor Intl

Thu 2/12

1:22 pm-7:33 pm

1 stop5h 11m

Kansas City

Thu 2/26

9:24 pm-7:42 am

1 stop11h 18m

$150

PhoenixKansas City

PHX - MCI

PHXMCI

Phoenix Sky Harbor Intl

Wed 2/4

3:55 pm-7:58 pm

1 stop27h 03m

Kansas City

Tue 2/10

7:00 am-6:54 pm

1 stop12h 54m

$166

PhoenixSt. Louis

PHX - STL

PHXSTL

Phoenix Sky Harbor Intl

Thu 3/12

6:55 am-7:11 pm

1 stop10h 16m

Lambert-St Louis

Thu 3/12

10:47 pm-12:28 am

Nonstop3h 41m

$224

PhoenixSpringfield

PHX - SGF

PHXSGF

Phoenix Sky Harbor Intl

Wed 3/4

1:55 pm-9:47 pm

1 stop6h 52m

Springfield-Branson

Mon 3/9

3:56 pm-10:49 pm

1 stop8h 53m

$265

PhoenixSt. Louis

PHX - STL

PHXSTL

Phoenix Sky Harbor Intl

Tue 2/24

12:05 pm-5:10 pm

1 stop4h 05m

Lambert-St Louis

Thu 2/26

6:15 pm-8:45 pm

Nonstop3h 30m

$267

PhoenixColumbia

PHX - COU

PHXCOU

Phoenix Sky Harbor Intl

Thu 1/29

12:56 pm-8:33 pm

1 stop6h 37m

Columbia Regional

Mon 2/2

3:10 pm-10:59 pm

1 stop8h 49m

$268

PhoenixColumbia

PHX - COU

PHXCOU

Phoenix Sky Harbor Intl

Sat 2/7

10:22 am-5:19 pm

1 stop5h 57m

Columbia Regional

Sat 2/14

3:10 pm-11:03 pm

1 stop8h 53m

$268

PhoenixColumbia

PHX - COU

PHXCOU

Phoenix Sky Harbor Intl

Fri 1/30

1:57 pm-9:37 pm

1 stop6h 40m

Columbia Regional

Mon 2/2

3:10 pm-10:59 pm

1 stop8h 49m

$268

PhoenixSt. Louis

PHX - STL

PHXSTL

Phoenix Sky Harbor Intl

Wed 3/11

6:00 am-1:19 pm

1 stop5h 19m

Lambert-St Louis

Wed 3/11

5:55 pm-10:11 pm

1 stop6h 16m

$275

PhoenixSpringfield

PHX - SGF

PHXSGF

Phoenix Sky Harbor Intl

Fri 4/3

11:55 pm-11:05 am

1 stop9h 10m

Springfield-Branson

Mon 4/6

3:56 pm-10:49 pm

1 stop8h 53m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/9

Showing 1-10 of 60 results
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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 11, 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 4% 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.

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 January 11, 2026.

The most flights from PHX to USMO are scheduled on a Friday (15 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 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 11, 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.

Food

7.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

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

Food

7.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

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

Food

7.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

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

Food

7.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

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

Food

7.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

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

Food

7.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

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 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.
  • How long is the flight from Phoenix Sky Harbor Intl Airport to Missouri?

    A quick flight from Phoenix Sky Harbor Intl Airport to Missouri can take about 4h 05m. Frontier provides one of the quickest options available for as low as $267. The distance from Phoenix Sky Harbor Intl Airport to Missouri is about 1258 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Phoenix Sky Harbor Intl Airport to Missouri?

  • What are the most reliable airlines from Phoenix Sky Harbor Intl Airport to Missouri?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Phoenix Sky Harbor Intl Airport to Missouri on time: SkyWest Airlines (100%), American Airlines (90%), Alaska Airlines (90%).

  • What are the cheapest flights from Phoenix Sky Harbor Intl Airport to Missouri?

    While on average a flight from Phoenix Sky Harbor Intl Airport to Missouri is generally $281, our data shows the cheapest flight currently is $80. When looking at the most popular route, (Phoenix Sky Harbor Intl - Lambert-St Louis), you can expect to pay $158 for that flight.

  • Can I find deals for flights from Sky Harbor Intl to Missouri that include hotel bookings?

    Yes. In addition to deals on Sky Harbor Intl to Missouri flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sky Harbor Intl to Missouri?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sky Harbor Intl to Missouri.

  • Can I find deals for business class flights from Sky Harbor Intl to Missouri?

    Yes. Cheapflights offers flight deals from Sky Harbor Intl 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 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.

See more FAQs

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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 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$99Average$207FlexibilityNo cancel feeOn-time62%
DeltaCheapest$129Average$369FlexibilityNo cancel feeOn-timeN/A
Allegiant AirCheapest$147Average$217FlexibilityNo cancel feeOn-time88%
SouthwestCheapest$190Average$385FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$198Average$377FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$199Average$412FlexibilityNo cancel feeOn-time71%

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