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Sky Harbor Intl

$49+ 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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PHX
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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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 February 20, 2025.

Round-trip from

$218
(Gotogate)

One-way from

$49
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$134

Good round-trip deal

$377 or less

Good one-way deal

$180 or less
From Missouri to Phoenix Sky Harbor Intl
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One-way flight from Missouri to Phoenix Sky Harbor Intl
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Highest demand for flights based on searches. 26% potential increase in price ($84 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Missouri to Phoenix Sky Harbor Intl.
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Price to beat on a one-way flight from Missouri to Phoenix Sky Harbor Intl.
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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 February 20, 2025.

This Gotogate deal was found by Cheapflights users on 2/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/65:24 pmSTL - PHX
1 stop30h 52mFrontier
Thu 3/137:00 pmPHX - STL
1 stop12h 16mFrontier
Deal found 2/20$218
This CheapOair deal was found by Cheapflights users on 2/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/228:35 pmMCI - PHX
1 stop5h 24mMultiple Airlines
Tue 3/254:02 pmPHX - MCI
1 stop20h 09mMultiple Airlines
Deal found 2/19$229
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/268:35 pmMCI - PHX
1 stop5h 24mFrontier
Wed 3/512:05 pmPHX - MCI
1 stop6h 30mFrontier
Deal found 2/19$231
This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/313:06 pmMCI - PHX
2 stops32h 56mSpirit Airlines
Fri 4/45:15 amPHX - MCI
2 stops30h 56mSpirit Airlines
Deal found 2/19$235
This Orbitz deal was found by Cheapflights users on 2/19. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/126:51 pmSTL - PHX
1 stop7h 06mMultiple Airlines
Wed 4/239:00 amPHX - STL
2 stops12h 59mMultiple Airlines
Deal found 2/19$267
This Delta deal was found by Cheapflights users on 2/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/226:40 amMCI - PHX
1 stop11h 45mDelta
Tue 4/299:00 amPHX - MCI
1 stop12h 00mDelta
Deal found 2/20$283
This United Airlines deal was found by Cheapflights users on 2/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/77:45 amJLN - PHX
1 stop7h 17mUnited Airlines
Tue 3/119:53 amPHX - JLN
1 stop5h 00mUnited Airlines
Deal found 2/20$285
This Mytrip deal was found by Cheapflights users on 2/18. 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.
Sun 3/95:38 pmSTL - PHX
2 stops26h 29mSpirit Airlines
Wed 3/122:12 pmPHX - STL
2 stops24h 30mSpirit Airlines
Deal found 2/18$299
This American Airlines deal was found by Cheapflights users on 2/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/288:33 amMCI - PHX
Nonstop3h 02mAmerican Airlines
Mon 4/287:04 pmPHX - MCI
Nonstop2h 32mAmerican Airlines
Deal found 2/19$307
This Southwest deal was found by Cheapflights users on 2/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/610:20 pmMCI - PHX
Nonstop2h 55mSouthwest
Mon 3/103:40 pmPHX - MCI
2 stops5h 45mSouthwest
Deal found 2/20$322
This Delta deal was found by Cheapflights users on 2/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/63:12 pmSTL - PHX
1 stop7h 02mDelta
Fri 5/912:59 amPHX - STL
1 stop7h 24mDelta
Deal found 2/19$323
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/83:11 pmSTL - PHX
1 stop11h 01mAlaska Airlines
Tue 4/159:08 pmPHX - STL
2 stops24h 51mAlaska Airlines
Deal found 2/19$354

Find flights from Missouri to Sky Harbor Intl within your budget

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 February 20, 2025.

Fly from

Missouri

Fly to

Sky Harbor Intl

Route

Depart

Return

Price

St. LouisPhoenix

STL - PHX

STLPHX

Lambert-St Louis

Thu 3/6

5:24 pm-11:16 pm

1 stop30h 52m

Phoenix Sky Harbor Intl

Thu 3/13

7:00 pm-9:16 am

1 stop12h 16m

$218

Kansas CityPhoenix

MCI - PHX

MCIPHX

Kansas City

Sat 3/22

8:35 pm-11:59 pm

1 stop5h 24m

Phoenix Sky Harbor Intl

Tue 3/25

4:02 pm-2:11 pm

1 stop20h 09m

$229

Kansas CityPhoenix

MCI - PHX

MCIPHX

Kansas City

Thu 5/1

8:41 pm-11:55 pm

1 stop5h 14m

Phoenix Sky Harbor Intl

Sat 5/3

7:47 pm-7:51 pm

1 stop22h 04m

$232

Kansas CityPhoenix

MCI - PHX

MCIPHX

Kansas City

Mon 3/31

3:06 pm-10:02 pm

2 stops32h 56m

Phoenix Sky Harbor Intl

Fri 4/4

5:15 am-2:11 pm

2 stops30h 56m

$235

St. LouisPhoenix

STL - PHX

STLPHX

Lambert-St Louis

Sat 4/12

6:51 pm-11:57 pm

1 stop7h 06m

Phoenix Sky Harbor Intl

Wed 4/23

9:00 am-11:59 pm

2 stops12h 59m

$267

JoplinPhoenix

JLN - PHX

JLNPHX

Joplin

Fri 3/7

7:45 am-2:02 pm

1 stop7h 17m

Phoenix Sky Harbor Intl

Tue 3/11

9:53 am-4:53 pm

1 stop5h 00m

$285

St. LouisPhoenix

STL - PHX

STLPHX

Lambert-St Louis

Sun 3/9

5:38 pm-6:07 pm

2 stops26h 29m

Phoenix Sky Harbor Intl

Wed 3/12

2:12 pm-4:42 pm

2 stops24h 30m

$299

Kansas CityPhoenix

MCI - PHX

MCIPHX

Kansas City

Sat 3/22

3:59 pm-8:25 pm

1 stop6h 26m

Phoenix Sky Harbor Intl

Tue 4/1

11:05 am-11:00 pm

1 stop9h 55m

$303

Kansas CityPhoenix

MCI - PHX

MCIPHX

Kansas City

Mon 4/28

8:33 am-9:35 am

Nonstop3h 02m

Phoenix Sky Harbor Intl

Mon 4/28

7:04 pm-11:36 pm

Nonstop2h 32m

$307

St. LouisPhoenix

STL - PHX

STLPHX

Lambert-St Louis

Tue 5/6

3:12 pm-8:14 pm

1 stop7h 02m

Phoenix Sky Harbor Intl

Fri 5/9

12:59 am-10:23 am

1 stop7h 24m

$323

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 46 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.

Travel insights for flights from Missouri to Sky Harbor Intl

Get recent, data-driven insights about flights from Missouri to Sky Harbor Intl including ideal travel times, pricing trends, and more.

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 February 20, 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 February 20, 2025.

The most flights from USMO to PHX are scheduled on a Monday (11 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 February 20, 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,697 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,219 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,765 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 $49. Users have also found prices from $98 and $142 on Spirit Airlines and Delta, respectively.

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

    While some choose either Lambert-St Louis - Phoenix Sky Harbor Intl or Springfield-Branson - Phoenix Sky Harbor Intl, Kansas City - Phoenix Sky Harbor Intl is the most popular route 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 (100%), American Airlines (89%) and Alaska Airlines (87%).

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

    Looking at all options, your cheapest flight can be booked for $138. While the most popular route (Kansas City - Phoenix Sky Harbor Intl) can be booked for $187 on average our data indicates $355 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

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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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$78Average$185FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$112Average$227FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$134Average$452FlexibilityNo cancel feeOn-time71%
Allegiant AirCheapest$150Average$210FlexibilityNo cancel feeOn-time88%
DeltaCheapest$215Average$320FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$226Average$451FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$272Average$413FlexibilityNo cancel feeOn-time63%
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