$83+ Cheap flights from Missouri to Sky Harbor Intl (PHX)
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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PHX
Apr 16 — Apr 231
Round-trip
1 adult, Economy
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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 Sky Harbor IntlExplore the most affordable flight options available from Missouri to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.
Explore the most affordable flight options available from Missouri to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:17 pm
STL
- PHX
1 stop13h 44m
Frontier
Sat 5/95:15 am
PHX
- STL
1 stop12h 08m
Frontier
Deal found 3/12![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:17 pm
STL
- PHX
1 stop13h 44m
Frontier
Wed 5/66:53 pm
PHX
- STL
1 stop22h 30m
Frontier
Deal found 3/12![Frontier logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:17 pm
STL
- PHX
2 stops39h 54m
Frontier
Sat 5/95:15 am
PHX
- STL
1 stop12h 08m
Frontier
Deal found 3/12![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/88:16 pm
STL
- PHX
1 stop13h 20m
Frontier
Wed 4/156:51 pm
PHX
- STL
1 stop22h 30m
Frontier
Deal found 3/12![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/138:19 pm
STL
- PHX
1 stop17h 26m
Frontier
Thu 4/166:50 am
PHX
- STL
1 stop10h 31m
Frontier
Deal found 3/12![Frontier logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:41 pm
STL
- PHX
1 stop27h 52m
Frontier
Sat 5/95:15 am
PHX
- STL
1 stop12h 08m
Frontier
Deal found 3/12![Frontier logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/62:34 pm
MCI
- PHX
1 stop10h 57m
Frontier
Mon 5/1111:26 am
PHX
- MCI
2 stops48h 23m
Frontier
Deal found 3/12![Frontier logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/78:43 pm
MCI
- PHX
1 stop4h 59m
Frontier
Sat 4/186:50 am
PHX
- MCI
1 stop5h 16m
Frontier
Deal found 3/12![Frontier logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/278:17 pm
STL
- PHX
1 stop17h 28m
Frontier
Mon 5/45:16 am
PHX
- STL
1 stop7h 20m
Frontier
Deal found 3/13![Frontier logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/311:53 am
MCI
- PHX
1 stop11h 31m
Frontier
Sat 5/95:15 am
PHX
- MCI
1 stop6h 34m
Frontier
Deal found 3/13![Frontier logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:17 pm
STL
- PHX
1 stop13h 44m
Frontier
Tue 5/511:30 pm
PHX
- STL
1 stop7h 25m
Frontier
Deal found 3/12![Frontier logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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 5/42:15 pm
MCI
- PHX
1 stop19h 46m
Frontier
Sat 5/95:15 am
PHX
- MCI
1 stop6h 34m
Frontier
Deal found 3/17![Frontier logo]()
$195
Best flights from Missouri to Sky Harbor IntlDiscover carefully curated flight deals from Missouri to Sky Harbor Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 17, 2026.
Discover carefully curated flight deals from Missouri to Sky Harbor Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 17, 2026.
This American Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/104:28 pm
COU
- PHX
1 stop6h 36m
American Airlines
Mon 4/1311:59 pm
PHX
- COU
1 stop7h 47m
American Airlines
Deal found 3/13![American Airlines logo]()
$308
This Delta deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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 4/297:42 am
MCI
- PHX
1 stop11h 03m
Delta
Sat 5/211:45 am
PHX
- MCI
1 stop9h 58m
Delta
Deal found 3/14![Delta logo]()
$325
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:50 pm
SGF
- PHX
1 stop7h 06m
United Airlines
Thu 4/166:05 am
PHX
- SGF
1 stop8h 22m
United Airlines
Deal found 3/12![United Airlines logo]()
$343
This Southwest deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:10 am
MCI
- PHX
1 stop5h 05m
Southwest
Sat 4/186:00 am
PHX
- MCI
Nonstop2h 25m
Southwest
Deal found 3/12![Southwest logo]()
$348
This Alaska Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/73:50 pm
STL
- PHX
1 stop10h 02m
Alaska Airlines
Tue 4/148:45 pm
PHX
- STL
1 stop25h 14m
Alaska Airlines
Deal found 3/16![Alaska Airlines logo]()
$403
This KAYAK deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/279:45 am
CGI
- PHX
2 stops28h 38m
Multiple Airlines
Wed 7/293:13 pm
PHX
- CGI
2 stops20h 37m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$598
This Southwest deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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 4/115:10 pm
MCI
- PHX
Nonstop2h 55m
Southwest
Sat 4/186:00 am
PHX
- MCI
Nonstop2h 25m
Southwest
Deal found 3/14![Southwest logo]()
$353
This United Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/36:22 pm
SGF
- PHX
1 stop7h 31m
United Airlines
Sat 5/912:30 pm
PHX
- SGF
1 stop8h 02m
United Airlines
Deal found 3/13![United Airlines logo]()
$364
This Southwest deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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 6/27:25 am
MCI
- PHX
1 stop5h 10m
Southwest
Tue 6/96:35 pm
PHX
- MCI
Nonstop2h 35m
Southwest
Deal found 3/14![Southwest logo]()
$359
This United Airlines deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” 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 4/175:07 pm
SGF
- PHX
1 stop7h 02m
United Airlines
Wed 4/226:00 am
PHX
- SGF
2 stops8h 26m
United Airlines
Deal found 3/15![United Airlines logo]()
$380
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 5/18:20 pm
MCI
- PHX
Nonstop2h 50m
Southwest
Fri 5/88:25 pm
PHX
- MCI
Nonstop2h 25m
Southwest
Deal found 3/16![Southwest logo]()
$359
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:15 am
SGF
- PHX
1 stop6h 54m
United Airlines
Tue 4/217:08 pm
PHX
- SGF
2 stops13h 40m
United Airlines
Deal found 3/12![United Airlines logo]()
$390
This Southwest deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/28:55 pm
MCI
- PHX
Nonstop2h 55m
Southwest
Mon 4/65:15 am
PHX
- MCI
Nonstop2h 25m
Southwest
Deal found 3/12![Southwest logo]()
$359
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:00 am
COU
- PHX
2 stops10h 54m
United Airlines
Sat 5/27:05 pm
PHX
- COU
2 stops13h 52m
United Airlines
Deal found 3/12![United Airlines logo]()
$399
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 6/27:25 am
MCI
- PHX
1 stop5h 10m
Southwest
Tue 6/164:30 pm
PHX
- MCI
1 stop5h 05m
Southwest
Deal found 3/16![Southwest logo]()
$370
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/179:00 am
SGF
- PHX
1 stop7h 17m
United Airlines
Sun 4/197:00 am
PHX
- SGF
1 stop7h 26m
United Airlines
Deal found 3/12![United Airlines logo]()
$403
This Southwest deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/148:20 pm
MCI
- PHX
Nonstop2h 50m
Southwest
Sun 5/177:00 am
PHX
- MCI
Nonstop2h 25m
Southwest
Deal found 3/12![Southwest logo]()
$385
This United Airlines deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” 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 7/93:05 pm
COU
- PHX
2 stops9h 54m
United Airlines
Thu 7/1611:50 pm
PHX
- COU
1 stop8h 58m
United Airlines
Deal found 3/15![United Airlines logo]()
$419
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 7/226:00 am
MCI
- PHX
Nonstop2h 50m
Southwest
Sat 7/255:20 am
PHX
- MCI
Nonstop2h 30m
Southwest
Deal found 3/16![Southwest logo]()
$387
This United Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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 6/263:05 pm
COU
- PHX
1 stop9h 05m
United Airlines
Fri 7/1011:50 pm
PHX
- COU
1 stop8h 58m
United Airlines
Deal found 3/14![United Airlines logo]()
$425
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 5/158:20 pm
MCI
- PHX
Nonstop2h 50m
Southwest
Sun 5/179:10 pm
PHX
- MCI
Nonstop2h 25m
Southwest
Deal found 3/16![Southwest logo]()
$388
This Southwest deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” 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 8/17:20 pm
MCI
- PHX
Nonstop2h 45m
Southwest
Tue 8/46:15 am
PHX
- MCI
1 stop4h 30m
Southwest
Deal found 3/15![Southwest logo]()
$393
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/235:55 am
MCI
- PHX
1 stop5h 40m
Southwest
Mon 4/278:25 pm
PHX
- MCI
Nonstop2h 25m
Southwest
Deal found 3/16![Southwest logo]()
$395
This United Airlines deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” 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 4/118:56 am
JLN
- PHX
2 stops13h 23m
United Airlines
Wed 4/154:34 pm
PHX
- JLN
1 stop5h 10m
United Airlines
Deal found 3/15![United Airlines logo]()
$480
This Southwest deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/125:35 pm
STL
- PHX
Nonstop3h 25m
Southwest
Mon 5/185:15 am
PHX
- STL
Nonstop2h 50m
Southwest
Deal found 3/13![Southwest logo]()
$395
This United Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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 6/101:57 pm
JLN
- PHX
2 stops11h 02m
United Airlines
Fri 6/194:21 pm
PHX
- JLN
1 stop5h 23m
United Airlines
Deal found 3/14![United Airlines logo]()
$480
This Southwest deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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 4/155:35 pm
STL
- PHX
Nonstop3h 25m
Southwest
Mon 4/205:15 am
PHX
- STL
Nonstop2h 50m
Southwest
Deal found 3/14![Southwest logo]()
$395
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 5/135:30 am
STL
- PHX
Nonstop3h 25m
Southwest
Sun 5/178:25 pm
PHX
- STL
Nonstop2h 50m
Southwest
Deal found 3/16![Southwest logo]()
$395
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/266:24 pm
JLN
- PHX
1 stop5h 47m
United Airlines
Sun 3/294:34 pm
PHX
- JLN
1 stop5h 10m
United Airlines
Deal found 3/12![United Airlines logo]()
$530
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/228:45 pm
STL
- PHX
Nonstop3h 25m
Southwest
Mon 4/275:15 am
PHX
- STL
Nonstop2h 50m
Southwest
Deal found 3/16![Southwest logo]()
$395
Last-minute flights from Missouri to Sky Harbor IntlDiscover last-minute flight deals from Missouri to Sky Harbor Intl. Data last updated March 17, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Sky Harbor Intl. Data last updated March 17, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/28:46 pm
MCI
- PHX
1 stop12h 50m
Frontier
Mon 4/69:32 pm
PHX
- MCI
1 stop20h 26m
Frontier
Deal found 3/12![Frontier logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/78:43 pm
MCI
- PHX
1 stop4h 59m
Frontier
Sat 4/186:50 am
PHX
- MCI
1 stop5h 16m
Frontier
Deal found 3/12![Frontier logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/78:43 pm
MCI
- PHX
2 stops42h 54m
Frontier
Fri 4/179:24 pm
PHX
- MCI
1 stop14h 42m
Frontier
Deal found 3/13![Frontier logo]()
$197
This Frontier deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/78:43 pm
MCI
- PHX
1 stop4h 59m
Frontier
Sat 4/1112:50 pm
PHX
- MCI
1 stop5h 08m
Frontier
Deal found 3/12![Frontier logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/88:16 pm
STL
- PHX
1 stop13h 20m
Frontier
Wed 4/156:51 pm
PHX
- STL
1 stop22h 30m
Frontier
Deal found 3/12![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/98:46 pm
MCI
- PHX
1 stop12h 50m
Frontier
Sat 4/186:50 am
PHX
- MCI
1 stop5h 16m
Frontier
Deal found 3/13![Frontier logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/118:16 pm
STL
- PHX
1 stop5h 31m
Frontier
Sat 4/186:50 am
PHX
- STL
1 stop10h 42m
Frontier
Deal found 3/12![Frontier logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/138:19 pm
STL
- PHX
1 stop17h 26m
Frontier
Thu 4/166:50 am
PHX
- STL
1 stop10h 31m
Frontier
Deal found 3/12![Frontier logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/138:19 pm
STL
- PHX
1 stop5h 23m
Frontier
Sat 4/189:52 am
PHX
- STL
1 stop7h 40m
Frontier
Deal found 3/16![Frontier logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/182:51 pm
MCI
- PHX
1 stop7h 19m
Frontier
Wed 4/2212:50 pm
PHX
- MCI
1 stop22h 40m
Frontier
Deal found 3/13![Frontier logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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 4/258:17 pm
STL
- PHX
1 stop13h 19m
Frontier
Sat 5/26:50 am
PHX
- STL
1 stop10h 42m
Frontier
Deal found 3/14![Frontier logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/278:17 pm
STL
- PHX
1 stop17h 28m
Frontier
Mon 5/45:16 am
PHX
- STL
1 stop7h 20m
Frontier
Deal found 3/13![Frontier logo]()
$190
One-way flights from Missouri to Sky Harbor IntlSearch for one-way flight options from Missouri to Sky Harbor Intl. Find affordable one-way fares based on user searches. Data last updated March 17, 2026.
Search for one-way flight options from Missouri to Sky Harbor Intl. Find affordable one-way fares based on user searches. Data last updated March 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/138:19 pm
STL
- PHX
1 stop17h 26m
Frontier
Deal found 3/12![Frontier logo]()
$83
This Trip.com deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/122:34 pm
MCI
- PHX
1 stop10h 57m
Frontier
Deal found 3/13![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/132:34 pm
MCI
- PHX
1 stop10h 57m
Frontier
Deal found 3/13![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/182:51 pm
MCI
- PHX
1 stop7h 19m
Frontier
Deal found 3/16![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 5/62:34 pm
MCI
- PHX
1 stop10h 57m
Frontier
Deal found 3/16![Frontier logo]()
$97
This Frontier deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/118:43 pm
MCI
- PHX
1 stop5h 04m
Frontier
Deal found 3/13![Frontier logo]()
$100
This Super.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/98:46 pm
MCI
- PHX
1 stop25h 28m
Frontier
Deal found 3/12![Frontier logo]()
$104
This Super.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/244:59 pm
STL
- PHX
1 stop8h 19m
Frontier
Deal found 3/12![Frontier logo]()
$104
This Super.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/192:34 pm
MCI
- PHX
1 stop10h 57m
Frontier
Deal found 3/12![Frontier logo]()
$105
This Frontier deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/118:16 pm
STL
- PHX
1 stop5h 31m
Frontier
Deal found 3/12![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/98:08 pm
STL
- PHX
1 stop13h 36m
Frontier
Deal found 3/13![Frontier logo]()
$106
This Frontier deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/28:46 pm
MCI
- PHX
1 stop5h 16m
Frontier
Deal found 3/12![Frontier logo]()
$109
Find flight deals from Missouri to Sky Harbor Intl
Keep the following information in mind while searching for Missouri to Sky Harbor Intl flight deals. Data was last updated March 17, 2026.
Round-trip from | $167 (Kiwi.com) |
|---|---|
One-way from | $83 (Kiwi.com) |
Popular in | March |
Cheapest in | November |
Average price | $390 |
Good round-trip deal | $308 or less |
Good one-way deal | $153 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Missouri to Sky Harbor Intl 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 17, 2026.
Use the filters below to find and compare flights from Missouri to Phoenix Sky Harbor Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ColumbiaPhoenix
COU - PHX
COUPHX
Columbia Regional
Fri 4/10
4:28 pm-9:04 pm
1 stop6h 36m
Phoenix Sky Harbor Intl
Mon 4/13
11:59 pm-9:46 am
1 stop7h 47m
$308
Kansas CityPhoenix
MCI - PHX
MCIPHX
Kansas City
Wed 4/29
7:42 am-4:45 pm
1 stop11h 03m
Phoenix Sky Harbor Intl
Sat 5/2
11:45 am-11:43 pm
1 stop9h 58m
$325
SpringfieldPhoenix
SGF - PHX
SGFPHX
Springfield-Branson
Thu 4/9
6:50 pm-11:56 pm
1 stop7h 06m
Phoenix Sky Harbor Intl
Thu 4/16
6:05 am-4:27 pm
1 stop8h 22m
$343
Kansas CityPhoenix
MCI - PHX
MCIPHX
Kansas City
Wed 4/15
7:10 am-10:15 am
1 stop5h 05m
Phoenix Sky Harbor Intl
Sat 4/18
6:00 am-10:25 am
Nonstop2h 25m
$348
Kansas CityPhoenix
MCI - PHX
MCIPHX
Kansas City
Sat 4/11
5:10 pm-6:05 pm
Nonstop2h 55m
Phoenix Sky Harbor Intl
Sat 4/18
6:00 am-10:25 am
Nonstop2h 25m
$353
Kansas CityPhoenix
MCI - PHX
MCIPHX
Kansas City
Tue 6/2
7:25 am-10:35 am
1 stop5h 10m
Phoenix Sky Harbor Intl
Tue 6/9
6:35 pm-11:10 pm
Nonstop2h 35m
$359
Quickest round-trip
Kansas CityPhoenix
MCI - PHX
MCIPHX
Kansas City
Fri 5/1
8:20 pm-9:10 pm
Nonstop2h 50m
Phoenix Sky Harbor Intl
Fri 5/8
8:25 pm-12:50 am
Nonstop2h 25m
$359
Kansas CityPhoenix
MCI - PHX
MCIPHX
Kansas City
Thu 4/2
8:55 pm-9:50 pm
Nonstop2h 55m
Phoenix Sky Harbor Intl
Mon 4/6
5:15 am-9:40 am
Nonstop2h 25m
$359
SpringfieldPhoenix
SGF - PHX
SGFPHX
Springfield-Branson
Sun 5/3
6:22 pm-11:53 pm
1 stop7h 31m
Phoenix Sky Harbor Intl
Sat 5/9
12:30 pm-10:32 pm
1 stop8h 02m
$364
Kansas CityPhoenix
MCI - PHX
MCIPHX
Kansas City
Tue 6/2
7:25 am-10:35 am
1 stop5h 10m
Phoenix Sky Harbor Intl
Tue 6/16
4:30 pm-11:35 pm
1 stop5h 05m
$370
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Missouri to Sky Harbor Intl
Have a flexible travel schedule? Discover the best time to fly to Sky Harbor Intl from Missouri with our price prediction graph.
STL-PHX
MCI-PHX
COU-PHX
SGF-PHX
CGI-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 Sky Harbor Intl Airport
USMO-PHX
STL-PHX
MCI-PHX
COU-PHX
SGF-PHX
What is the cheapest month to book a flight from Missouri to Phoenix Sky Harbor Intl Airport?
Currently, February is the cheapest month in which you can book a flight from Missouri to Phoenix Sky Harbor Intl Airport (average of $97). Flying from Missouri to Phoenix Sky Harbor Intl Airport in June is currently the most expensive (average of $215). 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 Sky Harbor Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 17, 2026.
When flying from Missouri to Phoenix Sky Harbor Intl Airport, 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 19% versus a flight in the morning.
What is the cheapest day to fly from Missouri to Phoenix Sky Harbor Intl Airport?
Use this chart to determine the cheapest time to fly round-trip from Missouri to Sky Harbor Intl. Price data was last updated on March 14, 2026.
Travelers seeking maximum savings on their Missouri to Phoenix Sky Harbor Intl Airport flight should consider departing on Friday evenings 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.
Weekly flight availability from Missouri to Phoenix Sky Harbor Intl Airport
Explore weekly flight availability from Missouri to Sky Harbor Intl. 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 17, 2026.
The most flights from USMO to PHX are scheduled on a Sunday (13 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).
Related info for your journey
Find useful and relevant information for your journey from Missouri to Sky Harbor Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Phoenix Sky Harbor Intl Airport?
Book flights to Phoenix Sky Harbor Intl Airport if you plan to visit one of these locationsGoodyear
Glendale
Paradise Valley
Casa Grande
Payson
Peoria
Camp Verde
Chandler
Globe
Surprise
Buckeye
Guadalupe
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Missouri to Sky Harbor Intl
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Complete your trip
Complete your trip to Sky Harbor Intl by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Missouri to Sky Harbor Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Missouri and Sky Harbor Intl flights
Browse other Missouri and Sky Harbor Intl flight options. Last updated on March 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Sky Harbor Intl
Explore flights to Sky Harbor Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 17, 2026.
Missouri to Sky Harbor Intl flights
Consider these flights traveling from Missouri to Sky Harbor Intl.
Top 6 airlines flying from Missouri to Sky Harbor Intl
Discover the top 6 airlines that operate flights from Missouri to Sky Harbor Intl. 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 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$68 | Average$213 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$98 | Average$300 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$121 | Average$200 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$148 | Average$376 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$195 | Average$434 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$198 | Average$383 | FlexibilityNo cancel fee | On-time63% |