$82+ Cheap flights from Missouri to Phoenix
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PHX
Oct 13 — Oct 201
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Missouri to Phoenix with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Missouri to Phoenix
Cheapest
Best
Last-minute
One-way
Cheapest flights from Missouri to PhoenixExplore the most affordable flight options available from Missouri to Phoenix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2026.
Explore the most affordable flight options available from Missouri to Phoenix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 11/612:53 pm -
1 stop6h 34m
Mon 11/93:46 pm -
1 stop20h 36m
Deal found 9/8![Frontier logo]()
$263
This Frontier deal was found by Cheapflights users on 9/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/181:37 pm -
1 stop11h 41m
Thu 10/226:15 am -
1 stop11h 33m
Deal found 9/8![Frontier logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/165:53 pm -
1 stop7h 06m
Mon 10/195:01 am -
1 stop9h 57m
Deal found 9/11![Frontier logo]()
$264
This Frontier deal was found by Cheapflights users on 9/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/68:36 pm -
1 stop4h 58m
Tue 12/810:59 am -
1 stop7h 42m
Deal found 9/9![Frontier logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Tue 12/18:36 pm -
1 stop20h 31m
Mon 12/710:59 am -
1 stop7h 42m
Deal found 9/9![Frontier logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:32 pm -
1 stop5h 11m
Fri 10/28:27 am -
1 stop11h 18m
Deal found 9/10![Frontier logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Tue 12/18:36 pm -
1 stop20h 31m
Tue 12/810:59 am -
1 stop7h 42m
Deal found 9/9![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:32 pm -
1 stop5h 11m
Sat 10/36:25 am -
1 stop11h 12m
Deal found 9/10![Frontier logo]()
$272
This Frontier deal was found by Cheapflights users on 9/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:43 pm -
1 stop4h 59m
Tue 11/2411:14 pm -
1 stop7h 57m
Deal found 9/9![Frontier logo]()
$273
This CheapOair deal was found by Cheapflights users on 9/9. 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.
Fri 12/49:59 pm -
1 stop19h 03m
Sun 12/65:13 pm -
1 stop25h 28m
Deal found 9/9![Frontier logo]()
$274
This Southwest deal was found by Cheapflights users on 9/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:35 pm -
Nonstop3h 00m
Thu 10/157:05 pm -
Nonstop2h 35m
Deal found 9/8![Southwest logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:32 pm -
1 stop19h 45m
Sat 10/36:25 am -
1 stop11h 12m
Deal found 9/10![Frontier logo]()
$276
Best flights from Missouri to PhoenixDiscover carefully curated flight deals from Missouri to Phoenix that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
Discover carefully curated flight deals from Missouri to Phoenix that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
This Southwest deal was found by Cheapflights users on 9/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:40 pm -
1 stop5h 35m
Mon 10/55:05 am -
Nonstop2h 30m
Deal found 9/9![Southwest logo]()
$285
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/253:30 pm -
1 stop7h 41m
Fri 12/41:39 pm -
1 stop7h 57m
Deal found 9/10![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/141:48 pm -
2 stops10h 57m
Tue 10/2011:54 am -
2 stops8h 06m
Deal found 9/8![United Airlines logo]()
$395
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:02 am -
2 stops13h 40m
Sat 10/177:38 am -
2 stops14h 21m
Deal found 9/9![Alaska Airlines logo]()
$494
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sat 10/319:40 am -
2 stops48h 51m
Sat 11/75:22 pm -
1 stop26h 13m
Deal found 9/13![Multiple Airlines logo]()
$561
This Southwest deal was found by Cheapflights users on 9/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:45 am -
Nonstop3h 00m
Tue 10/68:45 am -
Nonstop2h 40m
Deal found 9/9![Southwest logo]()
$287
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/253:30 pm -
1 stop8h 56m
Thu 12/36:00 am -
1 stop7h 42m
Deal found 9/10![Delta logo]()
$354
This Southwest deal was found by Cheapflights users on 9/11. 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.
Fri 11/69:55 pm -
Nonstop3h 00m
Mon 11/98:45 am -
Nonstop2h 30m
Deal found 9/11![Southwest logo]()
$329
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/87:36 am -
2 stops8h 51m
Thu 12/106:51 am -
2 stops8h 12m
Deal found 9/10![United Airlines logo]()
$395
This Southwest deal was found by Cheapflights users on 9/11. 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.
Fri 10/2310:05 pm -
Nonstop3h 05m
Mon 10/268:55 pm -
Nonstop2h 35m
Deal found 9/11![Southwest logo]()
$329
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/65:20 pm -
1 stop5h 17m
Mon 11/911:21 am -
2 stops11h 31m
Deal found 9/8![United Airlines logo]()
$402
This Southwest deal was found by Cheapflights users on 9/11. 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 10/810:05 pm -
Nonstop3h 05m
Sun 10/114:50 pm -
1 stop5h 35m
Deal found 9/11![Southwest logo]()
$363
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/121:38 pm -
1 stop5h 00m
Tue 12/155:51 pm -
1 stop4h 53m
Deal found 9/10![United Airlines logo]()
$414
This Alaska Airlines deal was found by Cheapflights users on 9/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/237:00 am -
2 stops13h 22m
Sat 2/278:05 am -
1 stop14h 39m
Deal found 9/8![Alaska Airlines logo]()
$503
This Southwest deal was found by Cheapflights users on 9/12. 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.
Fri 10/2310:05 pm -
Nonstop3h 05m
Tue 10/276:00 am -
1 stop4h 30m
Deal found 9/12![Southwest logo]()
$373
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/211:25 am -
1 stop8h 52m
Mon 12/78:10 pm -
2 stops13h 25m
Deal found 9/9![United Airlines logo]()
$414
This Southwest deal was found by Cheapflights users on 9/12. 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 11/59:55 pm -
Nonstop3h 00m
Sun 11/84:50 pm -
1 stop5h 35m
Deal found 9/12![Southwest logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 9/233:25 pm -
2 stops10h 18m
Sat 9/263:22 pm -
1 stop27h 13m
Deal found 9/9![Multiple Airlines logo]()
$613
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:35 am -
2 stops14h 50m
Thu 12/31:51 pm -
1 stop8h 24m
Deal found 9/9![United Airlines logo]()
$424
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/113:10 pm -
1 stop9h 30m
Mon 11/167:37 pm -
2 stops13h 59m
Deal found 9/9![United Airlines logo]()
$424
This Southwest deal was found by Cheapflights users on 9/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:20 pm -
Nonstop2h 45m
Wed 9/302:50 pm -
Nonstop2h 40m
Deal found 9/8![Southwest logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 9/243:25 pm -
1 stop8h 25m
Mon 9/2812:04 pm -
2 stops22h 46m
Deal found 9/9![Multiple Airlines logo]()
$649
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/233:05 pm -
1 stop6h 23m
Tue 10/276:00 am -
2 stops8h 09m
Deal found 9/11![United Airlines logo]()
$424
This Southwest deal was found by Cheapflights users on 9/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/207:05 pm -
1 stop5h 35m
Sun 11/226:20 am -
Nonstop2h 25m
Deal found 9/10![Southwest logo]()
$387
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:15 am -
1 stop7h 48m
Tue 9/291:33 pm -
1 stop5h 00m
Deal found 9/8![United Airlines logo]()
$433
This Southwest deal was found by Cheapflights users on 9/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/129:45 pm -
Nonstop3h 25m
Mon 11/1612:00 pm -
1 stop4h 25m
Deal found 9/10![Southwest logo]()
$403
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Tue 10/66:00 am -
2 stops14h 03m
Sat 10/1011:52 pm -
1 stop8h 53m
Deal found 9/13![United Airlines logo]()
$444
This Southwest deal was found by Cheapflights users on 9/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:55 am -
Nonstop3h 25m
Tue 12/812:00 pm -
1 stop4h 25m
Deal found 9/8![Southwest logo]()
$413
This United Airlines deal was found by Cheapflights users on 9/12. 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 1/231:41 pm -
2 stops8h 44m
Wed 1/274:02 pm -
1 stop6h 30m
Deal found 9/12![United Airlines logo]()
$444
This Southwest deal was found by Cheapflights users on 9/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/118:25 am -
1 stop5h 00m
Sun 11/155:45 am -
Nonstop2h 45m
Deal found 9/8![Southwest logo]()
$447
Last-minute flights from Missouri to PhoenixDiscover last-minute flight deals from Missouri to Phoenix. Data last updated September 13, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Phoenix. Data last updated September 13, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Tue 9/228:32 pm -
1 stop5h 11m
Fri 10/98:51 pm -
1 stop20h 57m
Deal found 9/8![Frontier logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:32 pm -
1 stop19h 45m
Sat 10/36:25 am -
1 stop11h 12m
Deal found 9/10![Frontier logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Mon 9/288:32 pm -
1 stop13h 28m
Wed 10/78:56 pm -
1 stop20h 52m
Deal found 9/8![Frontier logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:32 pm -
1 stop5h 11m
Sat 10/36:25 am -
1 stop11h 12m
Deal found 9/10![Frontier logo]()
$272
This Orbitz deal was found by Cheapflights users on 9/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:32 pm -
1 stop25h 19m
Fri 10/28:56 pm -
1 stop20h 41m
Deal found 9/10![Frontier logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:32 pm -
1 stop5h 11m
Fri 10/28:27 am -
1 stop11h 18m
Deal found 9/10![Frontier logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:32 pm -
1 stop13h 28m
Mon 10/126:00 am -
2 stops11h 48m
Deal found 9/10![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:43 pm -
1 stop5h 05m
Mon 10/128:51 pm -
1 stop20h 57m
Deal found 9/10![Frontier logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Thu 10/88:43 pm -
2 stops28h 42m
Sat 10/179:15 am -
1 stop8h 33m
Deal found 9/8![Frontier logo]()
$278
This Southwest deal was found by Cheapflights users on 9/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:35 pm -
Nonstop3h 00m
Thu 10/157:05 pm -
Nonstop2h 35m
Deal found 9/8![Southwest logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/165:53 pm -
1 stop7h 06m
Mon 10/195:01 am -
1 stop9h 57m
Deal found 9/11![Frontier logo]()
$264
This Frontier deal was found by Cheapflights users on 9/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/181:37 pm -
1 stop11h 41m
Thu 10/226:15 am -
1 stop11h 33m
Deal found 9/8![Frontier logo]()
$264
One-way flights from Missouri to PhoenixSearch for one-way flight options from Missouri to Phoenix. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
Search for one-way flight options from Missouri to Phoenix. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
This Super.com deal was found by Cheapflights users on 9/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:59 pm -
1 stop5h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$82
This Priceline deal was found by Cheapflights users on 9/8. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:59 pm -
1 stop5h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$83
This CheapOair deal was found by Cheapflights users on 9/10. 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.
Mon 10/58:10 pm -
1 stop5h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/78:10 pm -
1 stop5h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$95
This Super.com deal was found by Cheapflights users on 9/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:32 pm -
1 stop5h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$100
This Priceline deal was found by Cheapflights users on 9/8. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:32 pm -
1 stop5h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$101
This Trip.com deal was found by Cheapflights users on 9/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:32 pm -
1 stop5h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$102
This Super.com deal was found by Cheapflights users on 9/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:59 pm -
1 stop14h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 11/118:43 pm -
1 stop4h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Frontier logo]()
$105
This Expedia deal was found by Cheapflights users on 9/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:00 pm -
1 stop21h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$105
This Priceline deal was found by Cheapflights users on 9/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:29 pm -
1 stop5h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Mon 10/58:32 pm -
1 stop5h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$112
Find flight deals from Missouri to Phoenix
Keep the following information in mind while searching for Missouri to Phoenix flight deals. Data was last updated September 13, 2026.
Round-trip from | $264 (Kiwi.com) |
|---|---|
One-way from | $82 (Super.com) |
Popular in | August |
Cheapest in | November |
Average price | $397 |
Cheapflights Fare Finder
Customize your flight search to find flights from Missouri to Phoenix 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 7,457,451 searches. Data last updated September 13, 2026.
Use the filters below to find and compare flights from Missouri to Phoenix that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
Kansas CityPhoenix
MCI Kansas City - PHX Phoenix Sky Harbor Intl
MCIPHX
Kansas City
Fri 11/6
9:55 pm-11:50 pm
Nonstop2h 55m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$150
Kansas CityPhoenix
MCI Kansas City - PHX Phoenix Sky Harbor Intl
MCIPHX
Kansas City
Thu 10/8
10:05 pm-11:10 pm
Nonstop3h 05m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$165
Kansas CityPhoenix
MCI Kansas City - PHX Phoenix Sky Harbor Intl
MCIPHX
Kansas City
Fri 12/11
6:45 am-11:50 am
2 stops6h 05m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$165
Kansas CityPhoenix
MCI Kansas City - PHX Phoenix Sky Harbor Intl
MCIPHX
Kansas City
Sat 10/10
8:15 am-5:59 pm
2 stops11h 44m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$198
Kansas CityPhoenix
MCI Kansas City - PHX Phoenix Sky Harbor Intl
MCIPHX
Kansas City
Sat 12/12
9:40 am-5:32 pm
2 stops8h 52m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$198
Kansas CityPhoenix
MCI Kansas City - PHX Phoenix Sky Harbor Intl
MCIPHX
Kansas City
Wed 10/7
11:22 am-8:49 pm
2 stops11h 27m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$198
Kansas CityPhoenix
MCI Kansas City - PHX Phoenix Sky Harbor Intl
MCIPHX
Kansas City
Tue 12/8
7:00 am-7:02 pm
2 stops13h 02m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$198
Kansas CityPhoenix
MCI Kansas City - PHX Phoenix Sky Harbor Intl
MCIPHX
Kansas City
Mon 11/23
9:49 am-9:25 pm
2 stops12h 36m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$198
St. LouisPhoenix
STL Lambert-St Louis - PHX Phoenix Sky Harbor Intl
STLPHX
Lambert-St Louis
Mon 11/9
9:45 pm-12:10 am
Nonstop3h 25m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$199
Kansas CityPhoenix
MCI Kansas City - PHX Phoenix Sky Harbor Intl
MCIPHX
Kansas City
Wed 12/9
5:45 am-10:04 pm
3 stops17h 19m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$203
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Missouri to Phoenix
Have a flexible travel schedule? Discover the best time to fly to Phoenix from Missouri with our price prediction graph.
MCI-PHX
STL-PHX
CGI-PHX
COU-PHX
SGF-PHX
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
USMO-PH1
MCI-PHX
STL-PHX
CGI-PHX
COU-PHX
What is the cheapest month to book a flight from Missouri to Phoenix?
Currently, December is the cheapest month in which you can book a flight from Missouri to Phoenix (average of $314). Flying from Missouri to Phoenix in June is currently the most expensive (average of $409). 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 Phoenix. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 13, 2026.
When flying from Missouri to Phoenix, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 39% versus a flight in the afternoon.
Weekly flight availability from Missouri to Phoenix
Explore weekly flight availability from Missouri to Phoenix. 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 September 13, 2026.
The most flights from USMO to PH1 are scheduled on a Monday (7 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from Missouri to Phoenix?
Airfare is below average for this route at the moment.
Missouri to Phoenix flights typically cost between $349 and $511 in October.The cheapest round-trip price found within the last 5 days was $264 on Frontier (Oct 16-Oct 19).
How far ahead should I book a flight from Missouri to Phoenix?
The best time to book flights from Missouri to Phoenix is 70 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest day to fly from Missouri to Phoenix?
Use this chart to determine the cheapest time to fly round-trip from Missouri to Phoenix. Price data was last updated on September 5, 2026.
Travelers seeking maximum savings on their Missouri to Phoenix flight should consider departing on Saturday mornings when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Related info for your journey
Find useful and relevant information for your journey from Missouri to Phoenix. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for Missouri to Phoenix
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Phoenix by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Missouri to Phoenix by cabin class
Find flights from Missouri to Phoenix, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Missouri and Phoenix flights
Browse other Missouri and Phoenix flight options. Last updated on September 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Missouri to Phoenix flights
Consider these flights traveling from Missouri to Phoenix.
Top 7 airlines flying from Missouri to Phoenix
Discover the top 7 airlines that operate flights from Missouri to Phoenix. 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 7,457,451 searches. Data last updated September 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$68 | Average$233 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$98 | Average$334 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$134 | Average$249 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$148 | Average$369 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$208 | Average$416 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$242 | Average$413 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$292 | Average$380 | FlexibilityNo cancel fee | On-time62% |