$63+ Cheap flights from Phoenix to Missouri
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — STL
Mar 24 — Mar 311
1 adult, Economy
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Find cheap flights from Phoenix to Missouri 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 Phoenix to MissouriExplore the most affordable flight options available from Phoenix to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2026.
Explore the most affordable flight options available from Phoenix to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/21. 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.
Sat 4/189:52 am
PHX
- STL
1 stop7h 40m
Frontier
Sat 4/258:17 pm
STL
- PHX
1 stop13h 19m
Frontier
Deal found 2/21![Frontier logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:50 am
PHX
- STL
1 stop24h 59m
Frontier
Wed 3/258:12 pm
STL
- PHX
1 stop13h 30m
Frontier
Deal found 2/18![Frontier logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/265:30 am
PHX
- MCI
Nonstop2h 32m
Frontier
Mon 3/308:38 pm
MCI
- PHX
1 stop17h 16m
Frontier
Deal found 2/19![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:50 am
PHX
- MCI
1 stop4h 40m
Frontier
Sat 5/92:51 pm
MCI
- PHX
1 stop7h 19m
Frontier
Deal found 2/20![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 2/21. 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.
Mon 3/168:50 am
PHX
- MCI
Nonstop2h 34m
Frontier
Mon 3/238:38 pm
MCI
- PHX
1 stop19h 23m
Frontier
Deal found 2/21![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/278:39 am
PHX
- MCI
Nonstop2h 34m
Frontier
Mon 3/301:58 pm
MCI
- PHX
Nonstop3h 18m
Frontier
Deal found 2/20![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/125:09 pm
PHX
- STL
Nonstop2h 53m
Frontier
Thu 3/1910:47 pm
STL
- PHX
Nonstop3h 41m
Frontier
Deal found 2/18![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1612:08 pm
PHX
- STL
Nonstop2h 53m
Frontier
Mon 3/235:46 pm
STL
- PHX
Nonstop3h 41m
Frontier
Deal found 2/18![Frontier logo]()
$167
This Frontier deal was found by Cheapflights users on 2/22. 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.
Fri 3/69:48 am
PHX
- MCI
Nonstop2h 36m
Frontier
Mon 3/92:09 pm
MCI
- PHX
Nonstop3h 18m
Frontier
Deal found 2/22![Frontier logo]()
$168
This Frontier deal was found by Cheapflights users on 2/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/125:09 pm
PHX
- STL
Nonstop2h 53m
Frontier
Mon 3/165:46 pm
STL
- PHX
Nonstop3h 41m
Frontier
Deal found 2/21![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:50 am
PHX
- STL
1 stop24h 59m
Frontier
Fri 3/278:12 pm
STL
- PHX
1 stop13h 30m
Frontier
Deal found 2/18![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/173:11 pm
PHX
- STL
1 stop16h 38m
Frontier
Tue 3/2412:14 pm
STL
- PHX
1 stop10h 04m
Frontier
Deal found 2/18![Frontier logo]()
$172
Best flights from Phoenix to MissouriDiscover carefully curated flight deals from Phoenix to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 22, 2026.
Discover carefully curated flight deals from Phoenix to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1612:08 pm
PHX
- STL
Nonstop2h 53m
Frontier
Mon 3/238:12 pm
STL
- PHX
1 stop19h 49m
Frontier
Deal found 2/18![Frontier logo]()
$170
This Delta deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1811:59 pm
PHX
- MCI
1 stop6h 42m
Delta
Wed 3/253:50 pm
MCI
- PHX
1 stop8h 20m
Delta
Deal found 2/18![Delta logo]()
$249
This United Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/510:30 am
PHX
- SGF
1 stop5h 57m
United Airlines
Tue 5/123:00 pm
SGF
- PHX
1 stop8h 05m
United Airlines
Deal found 2/18![United Airlines logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 2/21. 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.
Thu 4/28:40 am
PHX
- SGF
1 stop24h 46m
Multiple Airlines
Mon 4/612:16 pm
SGF
- PHX
1 stop28h 17m
Multiple Airlines
Deal found 2/21![Multiple Airlines logo]()
$284
This American Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/511:59 pm
PHX
- SGF
1 stop7h 52m
American Airlines
Tue 5/126:00 pm
SGF
- PHX
1 stop5h 45m
American Airlines
Deal found 2/18![American Airlines logo]()
$305
This Southwest deal was found by Cheapflights users on 2/21. 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.
Thu 3/265:00 am
PHX
- STL
Nonstop2h 50m
Southwest
Sat 3/289:35 pm
STL
- PHX
Nonstop3h 25m
Southwest
Deal found 2/21![Southwest logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 2/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:20 am
PHX
- MCI
1 stop14h 39m
Alaska Airlines
Thu 5/77:00 am
MCI
- PHX
2 stops13h 26m
Alaska Airlines
Deal found 2/21![Alaska Airlines logo]()
$353
This Frontier deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/23:59 pm
PHX
- STL
Nonstop2h 53m
Frontier
Sun 3/810:47 pm
STL
- PHX
Nonstop3h 41m
Frontier
Deal found 2/18![Frontier logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/244:27 pm
PHX
- STL
2 stops15h 22m
Frontier
Fri 3/278:12 pm
STL
- PHX
1 stop13h 30m
Frontier
Deal found 2/18![Frontier logo]()
$202
This United Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/87:00 am
PHX
- COU
1 stop5h 48m
United Airlines
Mon 4/133:23 pm
COU
- PHX
1 stop8h 52m
United Airlines
Deal found 2/18![United Airlines logo]()
$268
This Expedia deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/274:14 pm
PHX
- STL
Nonstop2h 53m
Frontier
Mon 3/21:54 pm
STL
- PHX
1 stop8h 35m
Frontier
Deal found 2/18![Frontier logo]()
$225
This United Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/87:00 am
PHX
- COU
1 stop5h 48m
United Airlines
Wed 4/1511:30 am
COU
- PHX
2 stops9h 15m
United Airlines
Deal found 2/20![United Airlines logo]()
$274
This Frontier deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/269:30 am
PHX
- STL
1 stop10h 56m
Frontier
Sun 3/110:11 pm
STL
- PHX
1 stop11h 59m
Frontier
Deal found 2/19![Frontier logo]()
$232
This Southwest deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:30 pm
PHX
- STL
Nonstop2h 50m
Southwest
Sat 3/289:35 pm
STL
- PHX
Nonstop3h 25m
Southwest
Deal found 2/18![Southwest logo]()
$315
This American Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:55 pm
PHX
- STL
Nonstop3h 04m
American Airlines
Wed 4/222:37 pm
STL
- PHX
Nonstop3h 23m
American Airlines
Deal found 2/19![American Airlines logo]()
$315
This United Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:00 pm
PHX
- COU
1 stop7h 03m
United Airlines
Wed 4/228:00 am
COU
- PHX
2 stops10h 54m
United Airlines
Deal found 2/20![United Airlines logo]()
$274
This Delta deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1812:30 pm
PHX
- MCI
1 stop9h 07m
Delta
Wed 5/207:26 am
MCI
- PHX
1 stop5h 59m
Delta
Deal found 2/19![Delta logo]()
$343
This Southwest deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/54:20 pm
PHX
- STL
Nonstop2h 50m
Southwest
Sat 5/94:45 pm
STL
- PHX
Nonstop3h 20m
Southwest
Deal found 2/18![Southwest logo]()
$315
This American Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2012:38 am
PHX
- SGF
1 stop6h 46m
American Airlines
Sun 4/265:47 pm
SGF
- PHX
1 stop7h 46m
American Airlines
Deal found 2/18![American Airlines logo]()
$335
This Southwest deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:30 pm
PHX
- MCI
Nonstop2h 30m
Southwest
Wed 4/86:30 pm
MCI
- PHX
Nonstop2h 55m
Southwest
Deal found 2/18![Southwest logo]()
$323
This Expedia deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/126:45 pm
PHX
- MCI
1 stop23h 10m
Frontier
Mon 3/162:19 pm
MCI
- PHX
Nonstop3h 18m
Frontier
Deal found 2/18![Frontier logo]()
$273
This Delta deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/612:55 pm
PHX
- MCI
1 stop8h 21m
Delta
Mon 4/136:00 am
MCI
- PHX
1 stop6h 30m
Delta
Deal found 2/19![Delta logo]()
$366
This United Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/58:22 am
PHX
- JLN
1 stop8h 21m
United Airlines
Mon 3/98:54 am
JLN
- PHX
1 stop9h 25m
United Airlines
Deal found 2/18![United Airlines logo]()
$304
This Southwest deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2411:45 pm
PHX
- STL
1 stop6h 00m
Southwest
Wed 3/256:30 pm
STL
- PHX
Nonstop3h 30m
Southwest
Deal found 2/18![Southwest logo]()
$325
This American Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:59 pm
PHX
- SGF
1 stop7h 52m
American Airlines
Sun 4/267:34 pm
SGF
- PHX
1 stop5h 59m
American Airlines
Deal found 2/18![American Airlines logo]()
$360
This United Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/45:36 pm
PHX
- JLN
1 stop4h 52m
United Airlines
Sat 3/76:24 pm
JLN
- PHX
1 stop5h 47m
United Airlines
Deal found 2/18![United Airlines logo]()
$304
This American Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/157:19 pm
PHX
- MCI
Nonstop2h 40m
American Airlines
Fri 7/172:10 pm
MCI
- PHX
Nonstop2h 54m
American Airlines
Deal found 2/18![American Airlines logo]()
$367
This United Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:00 am
PHX
- SGF
1 stop4h 37m
United Airlines
Sat 3/73:13 pm
SGF
- PHX
2 stops8h 58m
United Airlines
Deal found 2/18![United Airlines logo]()
$314
This Southwest deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/185:35 am
PHX
- MCI
Nonstop2h 25m
Southwest
Wed 5/209:55 am
MCI
- PHX
1 stop5h 00m
Southwest
Deal found 2/18![Southwest logo]()
$352
This Southwest deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/147:30 pm
PHX
- MCI
Nonstop2h 25m
Southwest
Tue 3/172:50 pm
MCI
- PHX
1 stop5h 15m
Southwest
Deal found 2/18![Southwest logo]()
$356
Last-minute flights from Phoenix to MissouriDiscover last-minute flight deals from Phoenix to Missouri. Data last updated February 22, 2026 and is based on user searches.
Discover last-minute flight deals from Phoenix to Missouri. Data last updated February 22, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/262:27 pm
PHX
- MCI
Nonstop2h 32m
Frontier
Sun 3/14:49 pm
MCI
- PHX
Nonstop3h 16m
Frontier
Deal found 2/19![Frontier logo]()
$176
This Frontier deal was found by Cheapflights users on 2/22. 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.
Fri 3/69:48 am
PHX
- MCI
Nonstop2h 36m
Frontier
Mon 3/92:09 pm
MCI
- PHX
Nonstop3h 18m
Frontier
Deal found 2/22![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/125:09 pm
PHX
- STL
Nonstop2h 53m
Frontier
Thu 3/1910:47 pm
STL
- PHX
Nonstop3h 41m
Frontier
Deal found 2/18![Frontier logo]()
$166
This Frontier deal was found by Cheapflights users on 2/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/125:09 pm
PHX
- STL
Nonstop2h 53m
Frontier
Mon 3/165:46 pm
STL
- PHX
Nonstop3h 41m
Frontier
Deal found 2/21![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 2/21. 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.
Mon 3/168:50 am
PHX
- MCI
Nonstop2h 34m
Frontier
Mon 3/238:38 pm
MCI
- PHX
1 stop19h 23m
Frontier
Deal found 2/21![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1612:08 pm
PHX
- STL
Nonstop2h 53m
Frontier
Mon 3/235:46 pm
STL
- PHX
Nonstop3h 41m
Frontier
Deal found 2/18![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/173:11 pm
PHX
- STL
1 stop16h 38m
Frontier
Tue 3/2412:14 pm
STL
- PHX
1 stop10h 04m
Frontier
Deal found 2/18![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/173:11 pm
PHX
- STL
1 stop16h 38m
Frontier
Sat 3/218:12 pm
STL
- PHX
1 stop13h 30m
Frontier
Deal found 2/19![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:50 am
PHX
- STL
1 stop24h 59m
Frontier
Wed 3/258:12 pm
STL
- PHX
1 stop13h 30m
Frontier
Deal found 2/18![Frontier logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:50 am
PHX
- STL
1 stop24h 59m
Frontier
Fri 3/278:12 pm
STL
- PHX
1 stop13h 30m
Frontier
Deal found 2/18![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/265:30 am
PHX
- MCI
Nonstop2h 32m
Frontier
Mon 3/308:38 pm
MCI
- PHX
1 stop17h 16m
Frontier
Deal found 2/19![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/278:39 am
PHX
- MCI
Nonstop2h 34m
Frontier
Mon 3/301:58 pm
MCI
- PHX
Nonstop3h 18m
Frontier
Deal found 2/20![Frontier logo]()
$166
One-way flights from Phoenix to MissouriSearch for one-way flight options from Phoenix to Missouri. Find affordable one-way fares based on user searches. Data last updated February 22, 2026.
Search for one-way flight options from Phoenix to Missouri. Find affordable one-way fares based on user searches. Data last updated February 22, 2026.
This Super.com deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/52:27 pm
PHX
- MCI
Nonstop2h 32m
Frontier
Deal found 2/18![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/189:52 am
PHX
- STL
1 stop7h 40m
Frontier
Deal found 2/19![Frontier logo]()
$63
This Frontier deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/168:50 am
PHX
- MCI
Nonstop2h 34m
Frontier
Deal found 2/20![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/316:45 pm
PHX
- STL
1 stop13h 03m
Frontier
Deal found 2/19![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1712:50 pm
PHX
- MCI
1 stop23h 16m
Frontier
Deal found 2/19![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/179:24 pm
PHX
- STL
1 stop20h 08m
Frontier
Deal found 2/19![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 4/249:24 pm
PHX
- MCI
1 stop14h 42m
Frontier
Deal found 2/22![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/176:55 pm
PHX
- STL
1 stop12h 54m
Frontier
Deal found 2/19![Frontier logo]()
$72
This Kiwi.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/76:52 pm
PHX
- STL
1 stop12h 56m
Frontier
Deal found 2/19![Frontier logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 2/21. 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.
Sun 3/295:11 pm
PHX
- STL
Nonstop2h 53m
Frontier
Deal found 2/21![Frontier logo]()
$83
This Frontier deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1612:08 pm
PHX
- STL
Nonstop2h 53m
Frontier
Deal found 2/18![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/168:52 am
PHX
- STL
1 stop8h 29m
Frontier
Deal found 2/19![Frontier logo]()
$85
Find flight deals from Phoenix to Missouri
Keep the following information in mind while searching for Phoenix to Missouri flight deals. Data was last updated February 22, 2026.
Round-trip from | $132 (Kiwi.com) |
|---|---|
One-way from | $63 (Super.com) |
Popular in | April |
Cheapest in | January |
Average price | $365 |
Cheapflights Fare Finder
Customize your flight search to find flights from Phoenix to Missouri that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 22, 2026.
Use the filters below to find and compare flights from Phoenix to Missouri that are best for you.
Fly from
Phoenix
Fly to
Missouri
Route
Depart
Return
Price
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Mon 3/16
12:08 pm-5:01 pm
Nonstop2h 53m
Lambert-St Louis
Mon 3/23
8:12 pm-2:01 pm
1 stop19h 49m
$170
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Mon 3/2
3:59 pm-7:52 pm
Nonstop2h 53m
Lambert-St Louis
Sun 3/8
10:47 pm-12:28 am
Nonstop3h 41m
$198
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Tue 3/24
4:27 pm-9:49 am
2 stops15h 22m
Lambert-St Louis
Fri 3/27
8:12 pm-7:42 am
1 stop13h 30m
$202
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Fri 2/27
4:14 pm-8:07 pm
Nonstop2h 53m
Lambert-St Louis
Mon 3/2
1:54 pm-9:29 pm
1 stop8h 35m
$225
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Thu 2/26
9:30 am-9:26 pm
1 stop10h 56m
Lambert-St Louis
Sun 3/1
10:11 pm-9:10 am
1 stop11h 59m
$232
PhoenixKansas City
PHX - MCI
PHXMCI
Phoenix Sky Harbor Intl
Wed 3/18
11:59 pm-8:41 am
1 stop6h 42m
Kansas City
Wed 3/25
3:50 pm-10:10 pm
1 stop8h 20m
$249
PhoenixSpringfield
PHX - SGF
PHXSGF
Phoenix Sky Harbor Intl
Tue 5/5
10:30 am-6:27 pm
1 stop5h 57m
Springfield-Branson
Tue 5/12
3:00 pm-9:05 pm
1 stop8h 05m
$251
PhoenixColumbia
PHX - COU
PHXCOU
Phoenix Sky Harbor Intl
Wed 4/8
7:00 am-2:48 pm
1 stop5h 48m
Columbia Regional
Mon 4/13
3:23 pm-10:15 pm
1 stop8h 52m
$268
PhoenixKansas City
PHX - MCI
PHXMCI
Phoenix Sky Harbor Intl
Thu 3/12
6:45 pm-7:55 pm
1 stop23h 10m
Kansas City
Mon 3/16
2:19 pm-3:37 pm
Nonstop3h 18m
$273
PhoenixColumbia
PHX - COU
PHXCOU
Phoenix Sky Harbor Intl
Wed 4/8
7:00 am-2:48 pm
1 stop5h 48m
Columbia Regional
Wed 4/15
11:30 am-6:45 pm
2 stops9h 15m
$274
Showing 1-10 of 60 results
Best time to book a flight from Phoenix to Missouri
Have a flexible travel schedule? Discover the best time to fly to Missouri from Phoenix with our price prediction graph.
PHX-MCI
PHX-SGF
PHX-STL
PHX-COU
PHX-JLN
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 Phoenix to Missouri
PH1-USMO
PHX-MCI
PHX-SGF
PHX-STL
PHX-COU
What is the cheapest month to book a flight from Phoenix to Missouri?
Currently, January is the cheapest month in which you can book a flight from Phoenix to Missouri (average of $93). Flying from Phoenix to Missouri in June is currently the most expensive (average of $137). 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 PHX to MO?
Find hourly flight availability from Phoenix to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 22, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 25% on flights from Phoenix to Missouri by exploring options for tickets in the afternoon.
What is the cheapest day to fly from Phoenix to Missouri?
Use this chart to determine the cheapest time to fly round-trip from Phoenix to Missouri. Price data was last updated on February 17, 2026.
Travelers seeking maximum savings on their Phoenix to Missouri flight should consider departing on Friday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Phoenix to Missouri
Explore weekly flight availability from Phoenix to Missouri. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 22, 2026.
The most flights from PH1 to USMO are scheduled on a Friday (12 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).
Reviews of airlines servicing Missouri
Get insights into the airlines that provide service to Missouri. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Missouri. Reviews last updated February 22, 2026.
Peruse reviews from past customers who have flown with Southwest, United Airlines, and Allegiant Air from Phoenix to Missouri to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Phoenix to Missouri. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Phoenix to Missouri
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Complete your trip
Complete your trip to Missouri by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Phoenix to Missouri by cabin class
Find flights from Phoenix to Missouri, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Phoenix and Missouri flights
Browse other Phoenix and Missouri flight options. Last updated on February 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Phoenix to Missouri flights
Consider these flights traveling from Phoenix to Missouri.
Top 6 airlines flying from Phoenix to Missouri
Discover the top 6 airlines that operate flights from Phoenix to Missouri. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$99 | Average$248 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$118 | Average$194 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$187 | Average$384 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$196 | Average$405 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$236 | Average$346 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$254 | Average$367 | FlexibilityNo cancel fee | On-time69% |