Sky Harbor Intl

$88+ Cheap flights from Missouri to Sky Harbor Intl (PHX)

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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PHX
Apr 22 — Apr 291
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Cheap flight deals from Missouri to Sky Harbor Intl

Keep the following information in mind while searching for Missouri to Sky Harbor Intl flight deals. Data was last updated April 17, 2025.

Round-trip from

$259
(United Airlines)

One-way from

$88
(Cheapflightsfares)

Popular in

March

Cheapest in

September

Average price

$376

Good round-trip deal

$350 or less

Good one-way deal

$169 or less
From Missouri to Phoenix Sky Harbor Intl
One-way flight from Missouri to Phoenix Sky Harbor Intl
Highest demand for flights based on searches. 7% potential increase in price ($31 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from Missouri to Phoenix Sky Harbor Intl.
Price to beat on a one-way flight from Missouri to Phoenix Sky Harbor Intl.

Find flight deals from Missouri to Sky Harbor Intl

Cheapest flights from Missouri to Sky Harbor Intl
Explore the most affordable flight options available from Missouri to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

This CheapOair deal was found by Cheapflights users on 4/16. 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 5/88:51 pmMCI - PHX
1 stop5h 04mFrontier
Sun 5/117:57 pmPHX - MCI
1 stop21h 54mFrontier
Deal found 4/16$201
This United Airlines deal was found by Cheapflights users on 4/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/166:15 amSGF - PHX
1 stop7h 03mUnited Airlines
Mon 5/194:40 pmPHX - SGF
1 stop4h 50mUnited Airlines
Deal found 4/16$259
This CheapOair deal was found by Cheapflights users on 4/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/246:45 pmMCI - PHX
1 stop15h 28mSpirit Airlines
Thu 5/299:19 amPHX - MCI
1 stop7h 44mSpirit Airlines
Deal found 4/17$264
This Delta deal was found by Cheapflights users on 4/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/175:40 pmMCI - PHX
1 stop7h 14mDelta
Fri 7/1812:59 amPHX - MCI
1 stop8h 25mDelta
Deal found 4/16$265
This United Airlines deal was found by Cheapflights users on 4/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/106:00 amMCI - PHX
2 stops9h 01mUnited Airlines
Sat 5/1011:59 pmPHX - MCI
1 stop8h 37mUnited Airlines
Deal found 4/16$266
This Southwest deal was found by Cheapflights users on 4/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/106:55 pmMCI - PHX
Nonstop2h 50mSouthwest
Sun 5/115:35 amPHX - MCI
1 stop4h 40mSouthwest
Deal found 4/16$269
This American Airlines deal was found by Cheapflights users on 4/16. 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 5/218:30 amMCI - PHX
Nonstop2h 56mAmerican Airlines
Sun 5/257:15 pmPHX - MCI
Nonstop2h 30mAmerican Airlines
Deal found 4/16$273
This Delta deal was found by Cheapflights users on 4/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/312:08 pmSGF - PHX
1 stop7h 33mDelta
Tue 5/67:05 amPHX - SGF
1 stop9h 06mDelta
Deal found 4/16$289
This American Airlines deal was found by Cheapflights users on 4/16. 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 6/116:29 pmSGF - PHX
1 stop4h 46mAmerican Airlines
Fri 6/1312:38 amPHX - SGF
1 stop7h 14mAmerican Airlines
Deal found 4/16$300
This Mytrip deal was found by Cheapflights users on 4/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/169:07 pmMCI - PHX
2 stops17h 35mMultiple Airlines
Thu 5/229:19 amPHX - MCI
1 stop7h 44mMultiple Airlines
Deal found 4/17$301
This Delta deal was found by Cheapflights users on 4/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/46:30 amSTL - PHX
1 stop7h 46mDelta
Thu 8/75:20 pmPHX - STL
1 stop5h 18mDelta
Deal found 4/17$319
This American Airlines deal was found by Cheapflights users on 4/16. 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.
Thu 5/87:00 amSTL - PHX
1 stop6h 20mAmerican Airlines
Sun 5/117:01 pmPHX - STL
Nonstop2h 57mAmerican Airlines
Deal found 4/16$321

Cheapflights Fare Finder

Customize your flight search to find flights from Missouri to Sky Harbor Intl 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 April 17, 2025.
Use the filters below to find and compare flights from Missouri to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Missouri

Fly to

Sky Harbor Intl

Route

Depart

Return

Price

Kansas CityPhoenix

MCI - PHX

MCIPHX

Kansas City

Thu 5/8

8:51 pm-11:55 pm

1 stop5h 04m

Phoenix Sky Harbor Intl

Sun 5/11

7:57 pm-7:51 pm

1 stop21h 54m

$201

SpringfieldPhoenix

SGF - PHX

SGFPHX

Springfield-Branson

Fri 5/16

6:15 am-11:18 am

1 stop7h 03m

Phoenix Sky Harbor Intl

Mon 5/19

4:40 pm-11:30 pm

1 stop4h 50m

$259

Kansas CityPhoenix

MCI - PHX

MCIPHX

Kansas City

Sat 5/24

6:45 pm-8:13 am

1 stop15h 28m

Phoenix Sky Harbor Intl

Thu 5/29

9:19 am-7:03 pm

1 stop7h 44m

$264

Kansas CityPhoenix

MCI - PHX

MCIPHX

Kansas City

Thu 5/8

6:05 pm-11:49 pm

1 stop7h 44m

Phoenix Sky Harbor Intl

Wed 5/14

6:35 am-2:24 pm

1 stop5h 49m

$265

Kansas CityPhoenix

MCI - PHX

MCIPHX

Kansas City

Sat 5/10

6:00 am-1:01 pm

2 stops9h 01m

Phoenix Sky Harbor Intl

Sat 5/10

11:59 pm-10:36 am

1 stop8h 37m

$266

Kansas CityPhoenix

MCI - PHX

MCIPHX

Kansas City

Sat 5/10

6:55 pm-7:45 pm

Nonstop2h 50m

Phoenix Sky Harbor Intl

Sun 5/11

5:35 am-12:15 pm

1 stop4h 40m

$269

Kansas CityPhoenix

MCI - PHX

MCIPHX

Kansas City

Wed 5/21

8:30 am-9:26 am

Nonstop2h 56m

Phoenix Sky Harbor Intl

Sun 5/25

7:15 pm-11:45 pm

Nonstop2h 30m

$273

SpringfieldPhoenix

SGF - PHX

SGFPHX

Springfield-Branson

Sat 5/3

12:08 pm-5:41 pm

1 stop7h 33m

Phoenix Sky Harbor Intl

Tue 5/6

7:05 am-6:11 pm

1 stop9h 06m

$289

SpringfieldPhoenix

SGF - PHX

SGFPHX

Springfield-Branson

Wed 6/11

6:29 pm-9:15 pm

1 stop4h 46m

Phoenix Sky Harbor Intl

Fri 6/13

12:38 am-9:52 am

1 stop7h 14m

$300

Kansas CityPhoenix

MCI - PHX

MCIPHX

Kansas City

Fri 5/16

9:07 pm-12:42 pm

2 stops17h 35m

Phoenix Sky Harbor Intl

Thu 5/22

9:19 am-7:03 pm

1 stop7h 44m

$301

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 44 results
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Best time to book a flight from Missouri to Sky Harbor Intl

Have a flexible travel schedule? Discover the best time to fly to Sky Harbor Intl from Missouri 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 Missouri to Phoenix Sky Harbor Intl Airport

What is the cheapest month to book a flight from Missouri to Phoenix Sky Harbor Intl Airport?

Currently, January is the cheapest month in which you can book a flight from Missouri to Phoenix Sky Harbor Intl Airport (average of $258). Flying from Missouri to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of $337). 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 MO to PHX?

Find hourly flight availability from Missouri to Sky Harbor Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to Phoenix Sky Harbor Intl Airport as you normally would.

Weekly flight availability from Missouri to Phoenix Sky Harbor Intl Airport

Explore weekly flight availability from Missouri to Sky Harbor Intl. 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 April 17, 2025.

The most flights from USMO to PHX are scheduled on a Thursday (13 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Sky Harbor Intl by month

Plan your trip to Sky Harbor Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Phoenix Sky Harbor Intl Airport ranges from 0.0 - 1.1 inches per month. July is typically the wettest month, when rainfall can reach 1.1 in. June is typically the driest time to visit Phoenix Sky Harbor Intl Airport when rainfall is around 0.0 in.

Temperature in Sky Harbor Intl by month

Plan your trip to Sky Harbor Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Phoenix Sky Harbor Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 95.0 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 55.4 F).

Reviews of airlines servicing Sky Harbor Intl

Get insights into the airlines that provide service to Sky Harbor Intl. 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 Sky Harbor Intl. Reviews last updated April 17, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Missouri to Phoenix to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
8.0
Very good

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

Find useful and relevant information for your journey from Missouri to Sky Harbor Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines to fly from Missouri to Phoenix Sky Harbor Intl Airport one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $88. Users have also found prices from $100 and $110 on American Airlines and Spirit Airlines, respectively.

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

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

    The top 3 most reliable airlines when flying from Missouri to Phoenix Sky Harbor Intl Airport are SkyWest Airlines (88%), Southwest (82%) and American Airlines (71%).

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

    Looking at all options, your cheapest flight can be booked for $145. While the most popular route (Kansas City - Phoenix Sky Harbor Intl) can be booked for $188 on average our data indicates $610 when flying from Missouri to Phoenix Sky Harbor Intl Airport.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Missouri to Sky Harbor Intl 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 Missouri to Phoenix Sky Harbor Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Missouri to Phoenix Sky Harbor Intl Airport (average of $258). Flying from Missouri to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of $337). 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

Traveling to a place near Missouri?

Book flights to Missouri if you plan to visit one of these locations
Chandler
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Buckeye
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Alternative routes for Missouri to Sky Harbor Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Missouri to Sky Harbor Intl

Discover the top 7 airlines that operate flights from Missouri to Sky Harbor Intl. 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$75Average$155FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$112Average$244FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$131Average$438FlexibilityNo cancel feeOn-time71%
Allegiant AirCheapest$150Average$202FlexibilityNo cancel feeOn-time88%
DeltaCheapest$197Average$314FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$218Average$415FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$281Average$415FlexibilityNo cancel feeOn-time63%

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