$72+ Cheap flights from Missouri to Phoenix
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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PHX
Sep 25 — Oct 21
Round-trip
1 adult, Economy
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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
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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 August 26, 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 August 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 9/168:10 pm -
1 stop13h 50m
Sat 9/269:15 am -
1 stop8h 02m
Deal found 8/25![Frontier logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 10/58:10 pm -
1 stop13h 50m
Sat 10/106:15 am -
1 stop10h 42m
Deal found 8/24![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 9/218:10 pm -
1 stop13h 50m
Wed 9/309:15 am -
1 stop8h 02m
Deal found 8/26![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 10/107:42 pm -
1 stop6h 06m
Sat 10/176:15 am -
1 stop10h 42m
Deal found 8/24![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 9/238:10 pm -
1 stop13h 50m
Wed 9/309:15 am -
1 stop8h 02m
Deal found 8/26![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 10/28:10 pm -
1 stop20h 07m
Wed 10/76:25 am -
1 stop10h 52m
Deal found 8/21![Frontier logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 9/148:10 pm -
1 stop13h 50m
Tue 9/158:56 pm -
1 stop20h 21m
Deal found 8/24![Frontier logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 9/168:10 pm -
1 stop13h 50m
Fri 9/188:56 pm -
1 stop20h 21m
Deal found 8/24![Frontier logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 9/188:10 pm -
1 stop20h 07m
Tue 9/223:21 pm -
1 stop25h 56m
Deal found 8/24![Frontier logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 9/218:10 pm -
1 stop13h 50m
Wed 9/239:15 am -
1 stop8h 02m
Deal found 8/25![Frontier logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 9/1810:30 pm -
2 stops17h 47m
Wed 9/309:15 am -
1 stop8h 22m
Deal found 8/25![Frontier logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 stops19h 43m
Tue 10/136:15 am -
1 stop11h 33m
Deal found 8/25![Frontier logo]()
$253
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 August 26, 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 August 26, 2026.
This Southwest deal was found by Cheapflights users on 8/22. 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 10/1510:05 pm -
Nonstop3h 00m
Sat 10/176:50 pm -
Nonstop2h 30m
Deal found 8/22![Southwest logo]()
$259
This Delta deal was found by Cheapflights users on 8/21. 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 10/217:00 pm -
1 stop5h 43m
Tue 10/277:05 am -
1 stop7h 38m
Deal found 8/21![Delta logo]()
$297
This United Airlines deal was found by Cheapflights users on 8/23. 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 12/29:00 am -
1 stop7h 27m
Tue 12/811:20 am -
2 stops10h 33m
Deal found 8/23![United Airlines logo]()
$324
This Southwest deal was found by Cheapflights users on 8/24. 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 9/306:55 am -
Nonstop2h 45m
Fri 10/307:05 pm -
Nonstop2h 30m
Deal found 8/24![Southwest logo]()
$269
This Southwest deal was found by Cheapflights users on 8/24. 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 11/47:30 pm -
Nonstop2h 50m
Mon 11/95:50 pm -
1 stop4h 30m
Deal found 8/24![Southwest logo]()
$269
This Southwest deal was found by Cheapflights users on 8/22. 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
Mon 10/58:55 pm -
Nonstop2h 30m
Deal found 8/22![Southwest logo]()
$269
This United Airlines deal was found by Cheapflights users on 8/22. 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 10/175:30 am -
1 stop5h 37m
Tue 10/201:45 pm -
2 stops7h 57m
Deal found 8/22![United Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 8/22. 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 10/135:59 pm -
1 stop6h 44m
Tue 10/209:55 am -
1 stop5h 12m
Deal found 8/22![Delta logo]()
$339
This Southwest deal was found by Cheapflights users on 8/25. 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 11/116:05 am -
Nonstop3h 00m
Sun 11/156:20 am -
Nonstop2h 25m
Deal found 8/25![Southwest logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 8/291:30 pm -
2 stops30h 22m
Mon 8/314:40 pm -
1 stop25h 55m
Deal found 8/25![Multiple Airlines logo]()
$814
This United Airlines deal was found by Cheapflights users on 8/22. 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 9/129:55 am -
2 stops9h 14m
Sat 9/191:34 pm -
1 stop5h 05m
Deal found 8/22![United Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 8/24. 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 11/74:00 pm -
1 stop7h 45m
Wed 11/117:05 am -
1 stop8h 28m
Deal found 8/24![Delta logo]()
$384
This Southwest deal was found by Cheapflights users on 8/23. 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 10/299:50 pm -
Nonstop3h 20m
Sun 11/112:50 am -
1 stop5h 55m
Deal found 8/23![Southwest logo]()
$307
This United Airlines deal was found by Cheapflights users on 8/23. 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.
Thu 12/311:25 am -
1 stop7h 37m
Tue 12/812:51 pm -
2 stops9h 02m
Deal found 8/23![United Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 8/24. 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 11/54:00 pm -
1 stop7h 45m
Wed 11/117:05 am -
1 stop8h 28m
Deal found 8/24![Delta logo]()
$384
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Thu 9/101:53 pm -
2 stops9h 15m
Mon 9/144:49 pm -
1 stop4h 55m
Deal found 8/26![United Airlines logo]()
$380
This Southwest deal was found by Cheapflights users on 8/21. 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 10/25:50 pm -
Nonstop3h 20m
Wed 10/76:20 am -
1 stop5h 40m
Deal found 8/21![Southwest logo]()
$331
This Delta deal was found by Cheapflights users on 8/24. 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.
Fri 11/64:00 pm -
1 stop7h 45m
Wed 11/115:50 pm -
2 stops16h 10m
Deal found 8/24![Delta logo]()
$402
This United Airlines deal was found by Cheapflights users on 8/24. 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 10/141:29 pm -
2 stops11h 16m
Wed 10/2111:54 am -
1 stop6h 42m
Deal found 8/24![United Airlines logo]()
$392
This Southwest deal was found by Cheapflights users on 8/22. 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 11/59:45 pm -
Nonstop3h 25m
Sun 11/85:45 am -
Nonstop2h 45m
Deal found 8/22![Southwest logo]()
$347
This United Airlines deal was found by Cheapflights users on 8/21. 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 10/211:36 pm -
2 stops11h 09m
Tue 10/276:00 am -
2 stops10h 05m
Deal found 8/21![United Airlines logo]()
$397
This Southwest deal was found by Cheapflights users on 8/25. 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.
Sun 10/45:00 am -
1 stop5h 50m
Thu 10/88:25 pm -
Nonstop2h 50m
Deal found 8/25![Southwest logo]()
$357
This United Airlines deal was found by Cheapflights users on 8/25. 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 9/199:23 am -
2 stops10h 16m
Tue 9/2211:32 am -
2 stops8h 28m
Deal found 8/25![United Airlines logo]()
$397
This Southwest deal was found by Cheapflights users on 8/22. 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 10/24:50 pm -
1 stop6h 10m
Mon 10/56:30 pm -
Nonstop2h 50m
Deal found 8/22![Southwest logo]()
$357
This United Airlines deal was found by Cheapflights users on 8/25. 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.
Mon 10/51:48 pm -
2 stops10h 57m
Mon 10/1211:52 pm -
1 stop8h 34m
Deal found 8/25![United Airlines logo]()
$399
This Southwest deal was found by Cheapflights users on 8/25. 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 10/305:50 pm -
Nonstop3h 20m
Tue 11/36:15 pm -
Nonstop2h 50m
Deal found 8/25![Southwest logo]()
$357
This United Airlines deal was found by Cheapflights users on 8/25. 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 11/76:01 am -
1 stop9h 13m
Thu 11/125:41 pm -
1 stop5h 03m
Deal found 8/25![United Airlines logo]()
$414
This United Airlines deal was found by Cheapflights users on 8/25. 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 9/2611:19 am -
1 stop8h 16m
Tue 9/299:10 am -
2 stops11h 45m
Deal found 8/25![United Airlines logo]()
$414
This Southwest deal was found by Cheapflights users on 8/25. 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 10/302:30 pm -
1 stop6h 00m
Mon 11/25:45 am -
Nonstop2h 45m
Deal found 8/25![Southwest logo]()
$377
This United Airlines deal was found by Cheapflights users on 8/22. 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 9/48:30 am -
1 stop8h 50m
Tue 9/89:45 am -
1 stop7h 01m
Deal found 8/22![United Airlines logo]()
$419
Last-minute flights from Missouri to PhoenixDiscover last-minute flight deals from Missouri to Phoenix. Data last updated August 26, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Phoenix. Data last updated August 26, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 8/22. 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.
Mon 8/311:38 pm -
1 stop9h 50m
Wed 9/96:25 am -
1 stop11h 12m
Deal found 8/22![Frontier logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 9/51:38 pm -
1 stop12h 01m
Thu 9/109:15 am -
1 stop8h 22m
Deal found 8/23![Frontier logo]()
$296
This Expedia deal was found by Cheapflights users on 8/22. 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.
Sat 9/51:38 pm -
1 stop9h 50m
Sun 9/136:25 am -
1 stop26h 00m
Deal found 8/22![Frontier logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 9/118:10 pm -
1 stop13h 50m
Mon 9/1411:29 am -
1 stop5h 48m
Deal found 8/23![Frontier logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 9/148:10 pm -
1 stop13h 50m
Tue 9/158:56 pm -
1 stop20h 21m
Deal found 8/24![Frontier logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 9/168:10 pm -
1 stop13h 50m
Sat 9/269:15 am -
1 stop8h 02m
Deal found 8/25![Frontier logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 9/168:10 pm -
1 stop13h 50m
Fri 9/188:56 pm -
1 stop20h 21m
Deal found 8/24![Frontier logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 9/188:10 pm -
1 stop20h 07m
Tue 9/223:21 pm -
1 stop25h 56m
Deal found 8/24![Frontier logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 9/188:10 pm -
1 stop20h 07m
Fri 9/258:56 pm -
1 stop20h 21m
Deal found 8/21![Frontier logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 9/218:10 pm -
1 stop13h 50m
Wed 9/309:15 am -
1 stop8h 02m
Deal found 8/26![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 9/218:10 pm -
1 stop13h 50m
Wed 9/239:15 am -
1 stop8h 02m
Deal found 8/25![Frontier logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 9/238:10 pm -
1 stop13h 50m
Wed 9/309:15 am -
1 stop8h 02m
Deal found 8/26![Frontier logo]()
$174
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 August 26, 2026.
Search for one-way flight options from Missouri to Phoenix. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 10/268:00 pm -
1 stop14h 04m
Deal found 8/25![Frontier logo]()
$72
This WAYA deal was found by Cheapflights users on 8/24. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:10 pm -
1 stop5h 33m
Deal found 8/24![Frontier logo]()
$77
This Trip.com deal was found by Cheapflights users on 8/25. 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.
Mon 9/218:10 pm -
1 stop20h 07m
Deal found 8/25![Frontier logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 9/308:10 pm -
1 stop13h 50m
Deal found 8/23![Frontier logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 10/247:42 pm -
1 stop6h 06m
Deal found 8/26![Frontier logo]()
$86
This Trip.com deal was found by Cheapflights users on 8/24. 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.
Mon 10/268:43 pm -
1 stop13h 21m
Deal found 8/24![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 9/188:10 pm -
1 stop25h 41m
Deal found 8/22![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 10/278:43 pm -
1 stop20h 34m
Deal found 8/26![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 9/238:10 pm -
1 stop13h 50m
Deal found 8/25![Frontier logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 10/107:42 pm -
1 stop6h 06m
Deal found 8/24![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 10/168:43 pm -
1 stop13h 15m
Deal found 8/21![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 11/108:43 pm -
1 stop13h 21m
Deal found 8/23![Frontier logo]()
$101
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 August 26, 2026.
Round-trip from | $152 (Kiwi.com) |
|---|---|
One-way from | $72 (Kiwi.com) |
Popular in | May |
Cheapest in | December |
Average price | $349 |
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 August 26, 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
Kansas CityPhoenix
MCI Kansas City - PHX Phoenix Sky Harbor Intl
MCIPHX
Kansas City
Thu 10/15
10:05 pm-11:05 pm
Nonstop3h 00m
Phoenix Sky Harbor Intl
Sat 10/17
6:50 pm-11:20 pm
Nonstop2h 30m
$259
Quickest round-trip
Kansas CityPhoenix
MCI Kansas City - PHX Phoenix Sky Harbor Intl
MCIPHX
Kansas City
Wed 9/30
6:55 am-7:40 am
Nonstop2h 45m
Phoenix Sky Harbor Intl
Fri 10/30
7:05 pm-11:35 pm
Nonstop2h 30m
$269
Kansas CityPhoenix
MCI Kansas City - PHX Phoenix Sky Harbor Intl
MCIPHX
Kansas City
Wed 11/4
7:30 pm-9:20 pm
Nonstop2h 50m
Phoenix Sky Harbor Intl
Mon 11/9
5:50 pm-11:20 pm
1 stop4h 30m
$269
Kansas CityPhoenix
MCI Kansas City - PHX Phoenix Sky Harbor Intl
MCIPHX
Kansas City
Fri 10/2
8:45 am-9:45 am
Nonstop3h 00m
Phoenix Sky Harbor Intl
Mon 10/5
8:55 pm-1:25 am
Nonstop2h 30m
$269
St. LouisPhoenix
STL Lambert-St Louis - PHX Phoenix Sky Harbor Intl
STLPHX
Lambert-St Louis
Wed 10/21
7:00 pm-10:43 pm
1 stop5h 43m
Phoenix Sky Harbor Intl
Tue 10/27
7:05 am-4:43 pm
1 stop7h 38m
$297
Kansas CityPhoenix
MCI Kansas City - PHX Phoenix Sky Harbor Intl
MCIPHX
Kansas City
Wed 11/11
6:05 am-8:05 am
Nonstop3h 00m
Phoenix Sky Harbor Intl
Sun 11/15
6:20 am-9:45 am
Nonstop2h 25m
$298
St. LouisPhoenix
STL Lambert-St Louis - PHX Phoenix Sky Harbor Intl
STLPHX
Lambert-St Louis
Thu 10/29
9:50 pm-11:10 pm
Nonstop3h 20m
Phoenix Sky Harbor Intl
Sun 11/1
12:50 am-7:45 am
1 stop5h 55m
$307
ColumbiaPhoenix
COU Columbia Regional - PHX Phoenix Sky Harbor Intl
COUPHX
Columbia Regional
Wed 12/2
9:00 am-3:27 pm
1 stop7h 27m
Phoenix Sky Harbor Intl
Tue 12/8
11:20 am-10:53 pm
2 stops10h 33m
$324
St. LouisPhoenix
STL Lambert-St Louis - PHX Phoenix Sky Harbor Intl
STLPHX
Lambert-St Louis
Fri 10/2
5:50 pm-7:10 pm
Nonstop3h 20m
Phoenix Sky Harbor Intl
Wed 10/7
6:20 am-2:00 pm
1 stop5h 40m
$331
SpringfieldPhoenix
SGF Springfield-Branson - PHX Phoenix Sky Harbor Intl
SGFPHX
Springfield-Branson
Sat 10/17
5:30 am-9:07 am
1 stop5h 37m
Phoenix Sky Harbor Intl
Tue 10/20
1:45 pm-11:42 pm
2 stops7h 57m
$334
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
SGF-PHX
COU-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
SGF-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 $311). 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 August 26, 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.
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 $334 and $487 in September.The cheapest round-trip price found within the last 5 days was $152 on Frontier (Sep 16-Sep 26).
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 August 22, 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. Sunday at noon 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.
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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 August 26, 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 August 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$68 | Average$228 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$98 | Average$334 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$134 | Average$253 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$148 | Average$370 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$201 | Average$416 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$235 | Average$412 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$292 | Average$380 | FlexibilityNo cancel fee | On-time62% |