$66+ 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — STL
Apr 9 — Apr 161
Round-trip
1 adult, Economy
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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 March 10, 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 March 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 5/19:24 pm
PHX
- STL
1 stop20h 08m
Frontier
Mon 5/48:17 pm
STL
- PHX
1 stop17h 29m
Frontier
Deal found 3/6![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 4/306:50 am
PHX
- STL
1 stop10h 31m
Frontier
Mon 5/48:17 pm
STL
- PHX
1 stop17h 29m
Frontier
Deal found 3/4![Frontier logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 4/117:25 am
PHX
- STL
Nonstop2h 56m
Frontier
Mon 4/138:19 pm
STL
- PHX
1 stop17h 26m
Frontier
Deal found 3/6![Frontier logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 4/168:52 am
PHX
- STL
1 stop8h 29m
Frontier
Mon 4/208:17 pm
STL
- PHX
1 stop29h 25m
Frontier
Deal found 3/9![Frontier logo]()
$179
This Frontier deal was found by Cheapflights users on 3/5. 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 4/1610:29 pm
PHX
- MCI
1 stop10h 05m
Frontier
Sun 4/1911:53 am
MCI
- PHX
1 stop11h 31m
Frontier
Deal found 3/5![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Mon 4/2010:29 pm
PHX
- STL
1 stop30h 21m
Frontier
Sat 4/258:17 pm
STL
- PHX
1 stop13h 19m
Frontier
Deal found 3/9![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 3/5. 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
Sun 4/1911:16 am
STL
- PHX
1 stop12h 08m
Frontier
Deal found 3/5![Frontier logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
Wed 5/66:45 pm
PHX
- STL
1 stop22h 27m
Frontier
Wed 5/134:55 pm
STL
- PHX
1 stop8h 23m
Frontier
Deal found 3/8![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 4/2312:13 pm
PHX
- STL
1 stop6h 47m
Frontier
Sat 4/258:17 pm
STL
- PHX
1 stop5h 25m
Frontier
Deal found 3/7![Frontier logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 4/166:50 am
PHX
- STL
1 stop10h 31m
Frontier
Tue 4/214:59 pm
STL
- PHX
1 stop8h 19m
Frontier
Deal found 3/4![Frontier logo]()
$189
This Frontier deal was found by Cheapflights users on 3/5. 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 4/109:24 pm
PHX
- STL
1 stop10h 24m
Frontier
Mon 4/138:19 pm
STL
- PHX
1 stop5h 23m
Frontier
Deal found 3/5![Frontier logo]()
$190
This CheapOair deal was found by Cheapflights users on 3/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/612:54 pm
PHX
- MCI
1 stop22h 36m
Frontier
Sun 5/1011:13 am
MCI
- PHX
1 stop12h 10m
Frontier
Deal found 3/8![Frontier logo]()
$191
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 March 10, 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 March 10, 2026.
This United Airlines deal was found by Cheapflights users on 3/5. 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 5/59:50 am
PHX
- SGF
1 stop4h 36m
United Airlines
Sat 5/96:25 am
SGF
- PHX
1 stop6h 48m
United Airlines
Deal found 3/5![United Airlines logo]()
$271
This American Airlines deal was found by Cheapflights users on 3/5. 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 3/2311:51 pm
PHX
- COU
1 stop7h 37m
American Airlines
Mon 3/3012:27 pm
COU
- PHX
1 stop6h 55m
American Airlines
Deal found 3/5![American Airlines logo]()
$303
This Southwest deal was found by Cheapflights users on 3/9. 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.
Wed 4/298:50 am
PHX
- MCI
Nonstop2h 30m
Southwest
Wed 5/67:25 am
MCI
- PHX
1 stop5h 10m
Southwest
Deal found 3/9![Southwest logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 3/7. 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 5/611:20 am
PHX
- MCI
2 stops10h 39m
Alaska Airlines
Sun 5/107:00 am
MCI
- PHX
1 stop18h 59m
Alaska Airlines
Deal found 3/7![Alaska Airlines logo]()
$418
This Southwest deal was found by Cheapflights users on 3/6. 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 4/215:55 pm
PHX
- MCI
Nonstop2h 30m
Southwest
Tue 4/288:45 am
MCI
- PHX
Nonstop2h 55m
Southwest
Deal found 3/6![Southwest logo]()
$337
This United Airlines deal was found by Cheapflights users on 3/5. 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 5/29:50 am
PHX
- SGF
2 stops10h 12m
United Airlines
Wed 5/65:07 pm
SGF
- PHX
1 stop5h 12m
United Airlines
Deal found 3/5![United Airlines logo]()
$360
This Southwest deal was found by Cheapflights users on 3/9. 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.
Wed 5/275:55 pm
PHX
- MCI
Nonstop2h 30m
Southwest
Mon 6/16:40 am
MCI
- PHX
1 stop5h 45m
Southwest
Deal found 3/9![Southwest logo]()
$351
This United Airlines deal was found by Cheapflights users on 3/4. 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 4/281:45 pm
PHX
- COU
1 stop5h 18m
United Airlines
Sat 5/23:10 pm
COU
- PHX
1 stop9h 24m
United Airlines
Deal found 3/4![United Airlines logo]()
$368
This Alaska Airlines deal was found by Cheapflights users on 3/7. 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 4/156:00 am
PHX
- STL
1 stop15h 59m
Alaska Airlines
Sat 4/184:20 pm
STL
- PHX
1 stop8h 40m
Alaska Airlines
Deal found 3/7![Alaska Airlines logo]()
$423
This Southwest deal was found by Cheapflights users on 3/5. 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 4/96:20 pm
PHX
- MCI
Nonstop2h 30m
Southwest
Mon 4/136:20 am
MCI
- PHX
Nonstop2h 55m
Southwest
Deal found 3/5![Southwest logo]()
$359
This United Airlines deal was found by Cheapflights users on 3/9. 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.
Fri 3/137:26 am
PHX
- JLN
1 stop8h 17m
United Airlines
Mon 3/236:24 pm
JLN
- PHX
1 stop5h 47m
United Airlines
Deal found 3/9![United Airlines logo]()
$379
This Southwest deal was found by Cheapflights users on 3/9. 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 4/24:40 pm
PHX
- MCI
Nonstop2h 25m
Southwest
Mon 4/68:55 pm
MCI
- PHX
Nonstop2h 55m
Southwest
Deal found 3/9![Southwest logo]()
$359
This United Airlines deal was found by Cheapflights users on 3/4. 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 4/247:41 pm
PHX
- COU
2 stops13h 14m
United Airlines
Tue 4/2811:30 am
COU
- PHX
2 stops12h 29m
United Airlines
Deal found 3/4![United Airlines logo]()
$379
This Southwest deal was found by Cheapflights users on 3/8. 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.
Thu 5/283:35 pm
PHX
- MCI
1 stop4h 30m
Southwest
Mon 6/110:05 am
MCI
- PHX
Nonstop2h 55m
Southwest
Deal found 3/8![Southwest logo]()
$365
This United Airlines deal was found by Cheapflights users on 3/4. 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 4/18:30 am
PHX
- SGF
1 stop5h 57m
United Airlines
Wed 4/811:23 am
SGF
- PHX
2 stops9h 22m
United Airlines
Deal found 3/4![United Airlines logo]()
$380
This Southwest deal was found by Cheapflights users on 3/4. 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 4/167:40 pm
PHX
- STL
Nonstop2h 50m
Southwest
Tue 4/213:55 pm
STL
- PHX
1 stop6h 00m
Southwest
Deal found 3/4![Southwest logo]()
$365
This United Airlines deal was found by Cheapflights users on 3/5. 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 6/54:21 pm
PHX
- JLN
1 stop5h 23m
United Airlines
Sun 6/71:57 pm
JLN
- PHX
2 stops11h 02m
United Airlines
Deal found 3/5![United Airlines logo]()
$384
This Southwest deal was found by Cheapflights users on 3/8. 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 5/275:30 am
PHX
- STL
1 stop5h 30m
Southwest
Mon 6/12:25 pm
STL
- PHX
Nonstop3h 25m
Southwest
Deal found 3/8![Southwest logo]()
$365
This United Airlines deal was found by Cheapflights users on 3/8. 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 4/296:00 am
PHX
- SGF
2 stops8h 26m
United Airlines
Sat 5/26:00 am
SGF
- PHX
1 stop7h 20m
United Airlines
Deal found 3/8![United Airlines logo]()
$385
This Southwest deal was found by Cheapflights users on 3/6. 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 4/38:05 pm
PHX
- STL
Nonstop2h 45m
Southwest
Tue 4/78:45 pm
STL
- PHX
Nonstop3h 25m
Southwest
Deal found 3/6![Southwest logo]()
$375
This United Airlines deal was found by Cheapflights users on 3/7. 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 6/511:50 pm
PHX
- SGF
1 stop8h 52m
United Airlines
Sun 6/75:50 am
SGF
- PHX
1 stop5h 10m
United Airlines
Deal found 3/7![United Airlines logo]()
$409
This Southwest deal was found by Cheapflights users on 3/4. 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 5/217:40 pm
PHX
- STL
Nonstop2h 50m
Southwest
Mon 5/259:40 pm
STL
- PHX
Nonstop3h 25m
Southwest
Deal found 3/4![Southwest logo]()
$375
This Southwest deal was found by Cheapflights users on 3/8. 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.
Thu 4/168:25 pm
PHX
- MCI
Nonstop2h 25m
Southwest
Sun 4/265:50 am
MCI
- PHX
Nonstop2h 55m
Southwest
Deal found 3/8![Southwest logo]()
$378
This United Airlines deal was found by Cheapflights users on 3/6. 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 4/46:05 am
PHX
- SGF
1 stop6h 12m
United Airlines
Sat 4/118:00 am
SGF
- PHX
2 stops8h 28m
United Airlines
Deal found 3/6![United Airlines logo]()
$422
This Southwest deal was found by Cheapflights users on 3/6. 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 4/2711:55 pm
PHX
- STL
1 stop5h 50m
Southwest
Thu 4/309:40 pm
STL
- PHX
Nonstop3h 25m
Southwest
Deal found 3/6![Southwest logo]()
$385
This United Airlines deal was found by Cheapflights users on 3/8. 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 4/84:34 pm
PHX
- JLN
1 stop5h 10m
United Airlines
Sat 4/118:56 am
JLN
- PHX
2 stops13h 23m
United Airlines
Deal found 3/8![United Airlines logo]()
$440
This Southwest deal was found by Cheapflights users on 3/7. 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 4/103:35 pm
PHX
- STL
1 stop5h 05m
Southwest
Mon 4/136:05 am
STL
- PHX
Nonstop3h 25m
Southwest
Deal found 3/7![Southwest logo]()
$385
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Thu 5/146:00 am
PHX
- SGF
1 stop8h 08m
United Airlines
Tue 5/193:00 pm
SGF
- PHX
1 stop8h 05m
United Airlines
Deal found 3/8![United Airlines logo]()
$444
This Southwest deal was found by Cheapflights users on 3/8. 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.
Thu 5/144:40 pm
PHX
- STL
1 stop5h 10m
Southwest
Sun 5/179:55 pm
STL
- PHX
Nonstop3h 25m
Southwest
Deal found 3/8![Southwest logo]()
$385
This United Airlines deal was found by Cheapflights users on 3/5. 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 4/96:00 am
PHX
- SGF
2 stops8h 26m
United Airlines
Mon 4/135:07 pm
SGF
- PHX
1 stop5h 12m
United Airlines
Deal found 3/5![United Airlines logo]()
$445
Last-minute flights from Phoenix to MissouriDiscover last-minute flight deals from Phoenix to Missouri. Data last updated March 10, 2026 and is based on user searches.
Discover last-minute flight deals from Phoenix to Missouri. Data last updated March 10, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 3/5. 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 4/109:24 pm
PHX
- STL
1 stop10h 24m
Frontier
Mon 4/138:19 pm
STL
- PHX
1 stop5h 23m
Frontier
Deal found 3/5![Frontier logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 4/117:25 am
PHX
- STL
Nonstop2h 56m
Frontier
Mon 4/138:19 pm
STL
- PHX
1 stop17h 26m
Frontier
Deal found 3/6![Frontier logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 4/158:07 pm
PHX
- STL
1 stop22h 53m
Frontier
Sat 4/188:17 pm
STL
- PHX
1 stop13h 19m
Frontier
Deal found 3/7![Frontier logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 4/168:52 am
PHX
- STL
1 stop8h 29m
Frontier
Mon 4/208:17 pm
STL
- PHX
1 stop29h 25m
Frontier
Deal found 3/9![Frontier logo]()
$179
This Frontier deal was found by Cheapflights users on 3/5. 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 4/1610:29 pm
PHX
- MCI
1 stop10h 05m
Frontier
Sun 4/1911:53 am
MCI
- PHX
1 stop11h 31m
Frontier
Deal found 3/5![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 4/166:50 am
PHX
- STL
1 stop10h 31m
Frontier
Tue 4/214:59 pm
STL
- PHX
1 stop8h 19m
Frontier
Deal found 3/4![Frontier logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 3/5. 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
Sun 4/1911:16 am
STL
- PHX
1 stop12h 08m
Frontier
Deal found 3/5![Frontier logo]()
$183
This Frontier deal was found by Cheapflights users on 3/9. 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.
Sat 4/186:50 am
PHX
- MCI
1 stop5h 16m
Frontier
Thu 4/2311:53 am
MCI
- PHX
1 stop11h 31m
Frontier
Deal found 3/9![Frontier logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Mon 4/2010:29 pm
PHX
- STL
1 stop30h 21m
Frontier
Sat 4/258:17 pm
STL
- PHX
1 stop13h 19m
Frontier
Deal found 3/9![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 4/2312:13 pm
PHX
- STL
1 stop6h 47m
Frontier
Sat 4/258:17 pm
STL
- PHX
1 stop5h 25m
Frontier
Deal found 3/7![Frontier logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 4/2310:29 pm
PHX
- MCI
1 stop10h 05m
Frontier
Mon 5/42:15 pm
MCI
- PHX
1 stop5h 32m
Frontier
Deal found 3/9![Frontier logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 4/306:50 am
PHX
- STL
1 stop10h 31m
Frontier
Mon 5/48:17 pm
STL
- PHX
1 stop17h 29m
Frontier
Deal found 3/4![Frontier logo]()
$175
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 March 10, 2026.
Search for one-way flight options from Phoenix to Missouri. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Sat 5/96:50 am
PHX
- MCI
1 stop5h 16m
Frontier
Deal found 3/9![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Sat 5/99:52 am
PHX
- STL
1 stop7h 20m
Frontier
Deal found 3/9![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 5/29:52 am
PHX
- STL
1 stop7h 40m
Frontier
Deal found 3/5![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 5/66:45 pm
PHX
- STL
1 stop22h 27m
Frontier
Deal found 3/5![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 5/89:24 pm
PHX
- MCI
1 stop14h 42m
Frontier
Deal found 3/6![Frontier logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 5/86:45 pm
PHX
- STL
1 stop22h 27m
Frontier
Deal found 3/6![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 5/66:45 pm
PHX
- MCI
1 stop16h 45m
Frontier
Deal found 3/5![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 5/39:24 pm
PHX
- STL
1 stop20h 08m
Frontier
Deal found 3/6![Frontier logo]()
$89
This Frontier deal was found by Cheapflights users on 3/5. 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 5/76:50 am
PHX
- MCI
1 stop4h 40m
Frontier
Deal found 3/5![Frontier logo]()
$90
This Super.com deal was found by Cheapflights users on 3/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:52 pm
PHX
- MCI
1 stop23h 09m
Frontier
Deal found 3/9![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 5/45:16 am
PHX
- STL
1 stop7h 20m
Frontier
Deal found 3/7![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 6/41:00 pm
PHX
- MCI
1 stop4h 30m
Frontier
Deal found 3/7![Frontier logo]()
$98
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 March 10, 2026.
Round-trip from | $166 (Kiwi.com) |
|---|---|
One-way from | $66 (Kiwi.com) |
Popular in | April |
Cheapest in | January |
Average price | $380 |
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 March 10, 2026.
Use the filters below to find and compare flights from Phoenix to Missouri that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhoenixSpringfield
PHX - SGF
PHXSGF
Phoenix Sky Harbor Intl
Tue 5/5
9:50 am-4:26 pm
1 stop4h 36m
Springfield-Branson
Sat 5/9
6:25 am-11:13 am
1 stop6h 48m
$271
PhoenixColumbia
PHX - COU
PHXCOU
Phoenix Sky Harbor Intl
Mon 3/23
11:51 pm-9:28 am
1 stop7h 37m
Columbia Regional
Mon 3/30
12:27 pm-5:22 pm
1 stop6h 55m
$303
PhoenixKansas City
PHX - MCI
PHXMCI
Phoenix Sky Harbor Intl
Wed 4/29
8:50 am-1:20 pm
Nonstop2h 30m
Kansas City
Wed 5/6
7:25 am-10:35 am
1 stop5h 10m
$329
PhoenixKansas City
PHX - MCI
PHXMCI
Phoenix Sky Harbor Intl
Tue 4/21
5:55 pm-10:25 pm
Nonstop2h 30m
Kansas City
Tue 4/28
8:45 am-9:40 am
Nonstop2h 55m
$337
PhoenixKansas City
PHX - MCI
PHXMCI
Phoenix Sky Harbor Intl
Wed 5/27
5:55 pm-10:25 pm
Nonstop2h 30m
Kansas City
Mon 6/1
6:40 am-10:25 am
1 stop5h 45m
$351
PhoenixKansas City
PHX - MCI
PHXMCI
Phoenix Sky Harbor Intl
Thu 4/9
6:20 pm-10:50 pm
Nonstop2h 30m
Kansas City
Mon 4/13
6:20 am-7:15 am
Nonstop2h 55m
$359
Quickest round-trip
PhoenixKansas City
PHX - MCI
PHXMCI
Phoenix Sky Harbor Intl
Thu 4/2
4:40 pm-9:05 pm
Nonstop2h 25m
Kansas City
Mon 4/6
8:55 pm-9:50 pm
Nonstop2h 55m
$359
PhoenixSpringfield
PHX - SGF
PHXSGF
Phoenix Sky Harbor Intl
Sat 5/2
9:50 am-10:02 pm
2 stops10h 12m
Springfield-Branson
Wed 5/6
5:07 pm-8:19 pm
1 stop5h 12m
$360
PhoenixKansas City
PHX - MCI
PHXMCI
Phoenix Sky Harbor Intl
Thu 5/28
3:35 pm-10:05 pm
1 stop4h 30m
Kansas City
Mon 6/1
10:05 am-11:00 am
Nonstop2h 55m
$365
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Thu 4/16
7:40 pm-12:30 am
Nonstop2h 50m
Lambert-St Louis
Tue 4/21
3:55 pm-7:55 pm
1 stop6h 00m
$365
Showing 1-10 of 60 resultsSorted by cheapest first
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-STL
PHX-MCI
PHX-SGF
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-STL
PHX-MCI
PHX-SGF
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 March is currently the most expensive (average of $152). 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 March 10, 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 21, 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 March 10, 2026.
The most flights from PH1 to USMO are scheduled on a Monday (10 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 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 March 10, 2026.
Peruse reviews from past customers who have flown with Southwest,United Airlines, andAllegiant 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.
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
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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Complete your trip
Complete your trip to Missouri by adding a car rental and/or hotel reservation to your travel itinerary.
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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 March 10, 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 March 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$99 | Average$206 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$118 | Average$195 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$186 | Average$384 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$195 | Average$404 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$236 | Average$367 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$254 | Average$367 | FlexibilityNo cancel fee | On-time69% |