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Cheap flights from Missouri to Phoenix from $56

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Phoenix departing on 9/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

American Airlines Logo
7:56 am - 8:57 amMCI-PHX
3h 01mnonstop
American Airlines Logo
12:30 pm - 5:08 pmPHX-MCI
2h 38mnonstop
$144American Airlines
Find Deal
Wed, Sep 17 - Wed, Sep 17
American Airlines Logo
2:45 pm - 4:49 pmMCI-PHX
3h 04mnonstop
American Airlines Logo
8:05 pm - 11:38 pmPHX-MCI
2h 33mnonstop
$149American Airlines
Find Deal
Sat, Nov 8 - Tue, Nov 11
Spirit Airlines Logo
2:30 pm - 9:37 pmSTL-PHX
9h 07m1 stop
Spirit Airlines Logo
10:42 pm - 1:32 pmPHX-STL
12h 50m1 stop
$175Spirit Airlines
Find Deal
Thu, Aug 21 - Sun, Aug 24
Spirit Airlines Logo
2:30 pm - 9:37 pmSTL-PHX
9h 07m1 stop
Spirit Airlines Logo
10:42 pm - 1:32 pmPHX-STL
12h 50m1 stop
$183Spirit Airlines
Find Deal
Thu, Aug 14 - Sun, Aug 17
Frontier Logo
4:55 pm - 5:49 pmMCI-PHX
2h 54mnonstop
Frontier Logo
10:34 am - 3:10 pmPHX-MCI
2h 36mnonstop
$185Frontier
Find Deal
Thu, Oct 9 - Sun, Oct 12
Frontier Logo
4:55 pm - 5:49 pmMCI-PHX
2h 54mnonstop
Frontier Logo
10:34 am - 3:10 pmPHX-MCI
2h 36mnonstop
$186Frontier
Find Deal
Thu, Oct 9 - Sun, Oct 12
Southwest Logo
5:45 am - 10:50 amMCI-PHX
6h 05m1 stop
Southwest Logo
4:25 pm - 7:55 pmPHX-MCI
2h 30mnonstop
$209Southwest
Find Deal
Tue, Nov 18 - Tue, Nov 18
Logo
12:05 pm - 10:04 pmSTL-PHX
11h 59m1 stop
Logo
12:47 pm - 9:06 amPHX-STL
18h 19m1 stop
$214
Find Deal
Thu, Sep 11 - Tue, Sep 23
Logo
12:05 pm - 10:04 pmSTL-PHX
11h 59m1 stop
Logo
12:39 pm - 9:06 amPHX-STL
18h 27m1 stop
$217
Find Deal
Thu, Sep 4 - Wed, Sep 10
Southwest Logo
10:20 am - 2:20 pmSTL-PHX
6h 00m1 stop
Southwest Logo
5:40 pm - 10:35 pmPHX-STL
2h 55mnonstop
$221Southwest
Find Deal
Wed, Aug 27 - Wed, Sep 3

Frontier flights from Missouri to Phoenix Sky Harbor Intl Airport

Our best Frontier deals on Missouri to Phoenix Sky Harbor Intl Airport flight tickets
Frontier
Oct 9
MCI4:55 pmKansas City
2h 54m
PHX5:49 pmPhoenix Sky Harbor Intl
Oct 12
PHX10:34 amPhoenix Sky Harbor Intl
2h 36m
MCI3:10 pmKansas City
$185
Find similar
Frontier
Nov 14
STL1:54 pmLambert-St Louis
3h 22m
PHX4:16 pmPhoenix Sky Harbor Intl
Nov 17
PHX8:00 amPhoenix Sky Harbor Intl
2h 59m
STL11:59 amLambert-St Louis
$186
Find similar
Frontier
Nov 13
MCI3:55 pmKansas City
2h 54m
PHX5:49 pmPhoenix Sky Harbor Intl
Nov 16
PHX10:34 amPhoenix Sky Harbor Intl
2h 36m
MCI2:10 pmKansas City
$196
Find similar

American Airlines flights from Missouri to Phoenix Sky Harbor Intl Airport

Our best American Airlines deals on Missouri to Phoenix Sky Harbor Intl Airport flight tickets
American Airlines
Sep 17
MCI7:56 amKansas City
3h 01m
PHX8:57 amPhoenix Sky Harbor Intl
Sep 17
PHX12:30 pmPhoenix Sky Harbor Intl
2h 38m
MCI5:08 pmKansas City
$144
Find similar
American Airlines
Nov 8
MCI2:45 pmKansas City
3h 04m
PHX4:49 pmPhoenix Sky Harbor Intl
Nov 11
PHX8:05 pmPhoenix Sky Harbor Intl
2h 33m
MCI11:38 pmKansas City
$149
Find similar
American Airlines
Oct 28
STL7:00 amLambert-St Louis
3h 34m
PHX8:34 amPhoenix Sky Harbor Intl
Nov 1
PHX3:25 pmPhoenix Sky Harbor Intl
3h 02m
STL8:27 pmLambert-St Louis
$161
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momondo Fare Finder

 
Customize your flight search to find flights from Missouri to Phoenix Sky Harbor Intl Airport 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, momondo users made 832,500 searches. Data last updated July 31, 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

Fly to

Route

Depart

Return

Price

Kansas CityPhoenix

MCI - PHX

MCIPHX

Kansas City

Wed 9/17

7:56 am-8:57 am

Nonstop3h 01m

Phoenix Sky Harbor Intl

Wed 9/17

12:30 pm-5:08 pm

Nonstop2h 38m

$144

Kansas CityPhoenix

MCI - PHX

MCIPHX

Kansas City

Sat 11/8

2:45 pm-4:49 pm

Nonstop3h 04m

Phoenix Sky Harbor Intl

Tue 11/11

8:05 pm-11:38 pm

Nonstop2h 33m

$149

St. LouisPhoenix

STL - PHX

STLPHX

Lambert-St Louis

Thu 8/21

2:30 pm-9:37 pm

1 stop9h 07m

Phoenix Sky Harbor Intl

Sun 8/24

10:42 pm-1:32 pm

1 stop12h 50m

$175

St. LouisPhoenix

STL - PHX

STLPHX

Lambert-St Louis

Thu 8/14

2:30 pm-9:37 pm

1 stop9h 07m

Phoenix Sky Harbor Intl

Sun 8/17

10:42 pm-1:32 pm

1 stop12h 50m

$183

Kansas CityPhoenix

MCI - PHX

MCIPHX

Kansas City

Thu 10/9

4:55 pm-5:49 pm

Nonstop2h 54m

Phoenix Sky Harbor Intl

Sun 10/12

10:34 am-3:10 pm

Nonstop2h 36m

$185

Kansas CityPhoenix

MCI - PHX

MCIPHX

Kansas City

Thu 10/9

4:55 pm-5:49 pm

Nonstop2h 54m

Phoenix Sky Harbor Intl

Sun 10/12

10:34 am-3:10 pm

Nonstop2h 36m

$186

Kansas CityPhoenix

MCI - PHX

MCIPHX

Kansas City

Tue 11/18

5:45 am-10:50 am

1 stop6h 05m

Phoenix Sky Harbor Intl

Tue 11/18

4:25 pm-7:55 pm

Nonstop2h 30m

$209

St. LouisPhoenix

STL - PHX

STLPHX

Lambert-St Louis

Thu 9/11

12:05 pm-10:04 pm

1 stop11h 59m

Phoenix Sky Harbor Intl

Tue 9/23

12:47 pm-9:06 am

1 stop18h 19m

$214

St. LouisPhoenix

STL - PHX

STLPHX

Lambert-St Louis

Thu 9/4

12:05 pm-10:04 pm

1 stop11h 59m

Phoenix Sky Harbor Intl

Wed 9/10

12:39 pm-9:06 am

1 stop18h 27m

$217

St. LouisPhoenix

STL - PHX

STLPHX

Lambert-St Louis

Wed 8/27

10:20 am-2:20 pm

1 stop6h 00m

Phoenix Sky Harbor Intl

Wed 9/3

5:40 pm-10:35 pm

Nonstop2h 55m

$221

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Missouri to Phoenix Sky Harbor Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Phoenix Sky Harbor Intl Airport?

In general, August is the cheapest month to fly from Missouri to Phoenix Sky Harbor Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $288. If you are unable to visit Phoenix Sky Harbor Intl Airport during the month of August, then departing from Missouri during the month September is also very affordable. Most momondo users find prices during this month for around $305.

What is the cheapest day to depart on your flight to Phoenix Sky Harbor Intl Airport?

On average, the least expensive day to fly to Phoenix Sky Harbor Intl Airport from Missouri is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $386. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $494. These prices are subject to change though, so be sure to set up a Price Alert for flights to Phoenix Sky Harbor Intl Airport.

What is the cheapest time of day to depart on your flight to Phoenix Sky Harbor Intl Airport?

At noon is the cheapest time of day to fly from Missouri to Phoenix Sky Harbor Intl Airport when you can find flight prices for as low as $402. Flying to Phoenix Sky Harbor Intl Airport at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $449. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Missouri to Phoenix Sky Harbor Intl flight route?

Fly from Lambert-St Louis to Phoenix Sky Harbor Intl for the best Missouri - Phoenix Sky Harbor Intl flight prices

How far in advance should I book a flight to Phoenix Sky Harbor Intl Airport?

You are more likely to see cheaper flights to Phoenix Sky Harbor Intl Airport from Missouri when booking weeks ahead of your departure date. In general, you can expect to find flights to Phoenix Sky Harbor Intl Airport for around $379 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phoenix Sky Harbor Intl Airport from Missouri for as low as $348 on momondo.

What cabin class options are available on Missouri to Phoenix Sky Harbor Intl flights?

There are 3 cabin classes available to choose from on Missouri to Phoenix Sky Harbor Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Missouri to Phoenix Sky Harbor Intl Airport flights?

You could potentially save up to 24% on your flight if you consider stops on a Missouri to Phoenix Sky Harbor Intl Airport flight.

Cheap Missouri to Phoenix Sky Harbor Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Phoenix Sky Harbor Intl Airport

Best Price Found

$56

Fastest flight time

2h 45m

Direct flights

Every day
The best one-way flight to Phoenix Sky Harbor Intl Airport from Missouri in the past 72 hours is $56. The best round-trip flight deal from Missouri to Phoenix Sky Harbor Intl Airport found on momondo in the last 72 hours is $144.
The fastest flight from Missouri to Phoenix Sky Harbor Intl Airport takes 2h 45m
Direct flights go from Missouri to Phoenix Sky Harbor Intl Airport every day.
Search flight deals

  • When did momondo last update prices for flights from Missouri to Phoenix Sky Harbor Intl Airport?

    Prices for flights from Missouri to Phoenix Sky Harbor Intl Airport were last updated today.

  • How many operators does momondo search for flights from Missouri to Phoenix Sky Harbor Intl Airport?

  • How old do you have to be to fly from Missouri to Phoenix Sky Harbor Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to Phoenix Sky Harbor Intl Airport.

  • What documentation or ID do you need to fly to Phoenix Sky Harbor Intl Airport?

    The travel and health documents required for your trip to Phoenix Sky Harbor Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Phoenix Sky Harbor Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Missouri to Phoenix Sky Harbor Intl Airport?

Best airlines flying from Missouri to Phoenix Sky Harbor Intl Airport

Compare and see reviews for airlines that fly from Missouri to Phoenix Sky Harbor Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $100Free CancellationRating
5.9
3,239 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $112Free CancellationRating
6.3
8,048 reviews
Search Spirit Airlines flights
Allegiant AirPriceFrom $150Free CancellationRating
7.2
702 reviews
Search Allegiant Air flights
DeltaPriceFrom $196Free CancellationRating
8.0
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $203Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
American AirlinesPriceFrom $205Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $256Free CancellationRating
8.0
4,246 reviews
Search Southwest flights

Traveling to a place near Phoenix?

Book flights to Phoenix if you plan to visit one of these locations
Scottsdale
Mesa
Tempe
Glendale
Chandler
Gilbert
Surprise
Peoria
Casa Grande
Buckeye
Wickenburg
Apache Junction
Payson
Goodyear
Paradise Valley
Camp Verde
Avondale
Fountain Hills
Cave Creek
Litchfield Park

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to Phoenix?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Missouri to Phoenix. momondo saves you time and could save you money on your trip.

Can I find flights from Missouri to Phoenix with flexible booking policies on momondo?

momondo does allow users to show only those flights to Phoenix from Missouri which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Missouri to Phoenix?

momondo helps you find the best flight between Missouri and Phoenix by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Missouri to Phoenix right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Phoenix, momondo offers a useful price alert feature which will track prices for flights to Phoenix from Missouri and alert you when they change.

An easier way to manage your Phoenix Sky Harbor Intl Airport trip

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