$79+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PHX
May 31 — Jun 71
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 May 1, 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 May 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/152:34 pm
MCI
- PHX
1 stop21h 31m
Frontier
Mon 5/187:40 pm
PHX
- MCI
2 stops40h 09m
Frontier
Deal found 4/26![Frontier logo]()
$234
This Orbitz deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:51 pm
STL
- PHX
1 stop6h 33m
Frontier
Sat 5/2310:27 pm
PHX
- STL
1 stop19h 44m
Frontier
Deal found 4/29![Frontier logo]()
$236
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/183:30 pm
SGF
- PHX
1 stop9h 17m
Delta
Tue 8/256:05 am
PHX
- SGF
1 stop6h 40m
Delta
Deal found 4/27![Delta logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 6/89:06 pm
STL
- PHX
2 stops15h 10m
Frontier
Wed 6/1011:21 am
PHX
- STL
1 stop6h 02m
Frontier
Deal found 4/30![Frontier logo]()
$237
This Frontier deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 7/114:52 pm
STL
- PHX
1 stop7h 26m
Frontier
Sat 7/186:40 am
PHX
- STL
1 stop10h 43m
Frontier
Deal found 4/30![Frontier logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 6/23:33 pm
STL
- PHX
1 stop22h 37m
Frontier
Sat 6/64:17 pm
PHX
- STL
2 stops20h 14m
Frontier
Deal found 4/30![Frontier logo]()
$239
This Travelocity deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/82:34 pm
MCI
- PHX
1 stop27h 21m
Frontier
Mon 5/114:17 pm
PHX
- MCI
1 stop19h 32m
Frontier
Deal found 4/27![Frontier logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/275:27 pm
STL
- PHX
2 stops19h 18m
Frontier
Sat 5/306:00 am
PHX
- STL
1 stop11h 31m
Frontier
Deal found 5/1![Frontier logo]()
$244
This Frontier deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 5/302:34 pm
MCI
- PHX
1 stop8h 36m
Frontier
Mon 6/85:15 am
PHX
- MCI
1 stop6h 34m
Frontier
Deal found 4/27![Frontier logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/255:27 pm
STL
- PHX
2 stops18h 53m
Frontier
Sat 5/3011:50 am
PHX
- STL
1 stop5h 41m
Frontier
Deal found 4/30![Frontier logo]()
$245
This Expedia deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/202:34 pm
MCI
- PHX
1 stop10h 55m
Frontier
Sat 5/238:40 am
PHX
- MCI
1 stop27h 09m
Frontier
Deal found 4/26![Frontier logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 6/22:34 pm
MCI
- PHX
1 stop10h 55m
Frontier
Mon 6/810:27 pm
PHX
- MCI
2 stops12h 33m
Frontier
Deal found 4/27![Frontier logo]()
$247
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 May 1, 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 May 1, 2026.
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/227:39 pm
SGF
- PHX
1 stop6h 35m
American Airlines
Sun 5/2412:35 am
PHX
- SGF
1 stop6h 24m
American Airlines
Deal found 4/30![American Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/283:10 pm
MCI
- PHX
Nonstop2h 55m
Southwest
Thu 6/45:50 pm
PHX
- MCI
1 stop4h 40m
Southwest
Deal found 4/30![Southwest logo]()
$359
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 7/111:23 am
COU
- PHX
1 stop8h 30m
United Airlines
Sat 7/411:50 pm
PHX
- COU
1 stop8h 58m
United Airlines
Deal found 4/29![United Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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.
Sun 8/92:56 pm
MCI
- PHX
1 stop5h 09m
Delta
Sat 8/156:25 am
PHX
- MCI
1 stop6h 57m
Delta
Deal found 4/30![Delta logo]()
$399
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 6/89:50 am
CGI
- PHX
2 stops12h 43m
Multiple Airlines
Tue 6/912:20 pm
PHX
- CGI
1 stop6h 15m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$470
This Southwest deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/49:00 am
MCI
- PHX
1 stop7h 05m
Southwest
Tue 7/143:30 pm
PHX
- MCI
1 stop4h 30m
Southwest
Deal found 4/26![Southwest logo]()
$364
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 6/186:47 pm
COU
- PHX
1 stop7h 33m
American Airlines
Sat 6/2012:50 am
PHX
- COU
1 stop7h 16m
American Airlines
Deal found 4/28![American Airlines logo]()
$369
This Southwest deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 6/49:15 pm
MCI
- PHX
Nonstop2h 45m
Southwest
Sun 6/77:05 am
PHX
- MCI
Nonstop2h 30m
Southwest
Deal found 4/29![Southwest logo]()
$371
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/1211:30 am
COU
- PHX
2 stops12h 02m
United Airlines
Sat 8/159:08 am
PHX
- COU
2 stops10h 41m
United Airlines
Deal found 4/28![United Airlines logo]()
$415
This Southwest deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/264:40 pm
MCI
- PHX
Nonstop2h 55m
Southwest
Sat 5/306:00 am
PHX
- MCI
Nonstop2h 25m
Southwest
Deal found 4/26![Southwest logo]()
$379
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 6/106:41 pm
SGF
- PHX
1 stop6h 55m
United Airlines
Fri 6/1911:50 pm
PHX
- SGF
1 stop8h 52m
United Airlines
Deal found 4/30![United Airlines logo]()
$423
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:59 am
SGF
- PHX
2 stops16h 30m
Multiple Airlines
Thu 6/410:27 pm
PHX
- SGF
1 stop12h 02m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$504
This Southwest deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:20 am
STL
- PHX
Nonstop3h 15m
Southwest
Sun 11/15:45 am
PHX
- STL
Nonstop2h 45m
Southwest
Deal found 4/26![Southwest logo]()
$382
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/241:53 pm
JLN
- PHX
1 stop5h 14m
United Airlines
Sun 11/19:50 am
PHX
- JLN
1 stop6h 21m
United Airlines
Deal found 4/28![United Airlines logo]()
$424
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 8/711:48 am
COU
- PHX
1 stop6h 10m
American Airlines
Fri 8/149:56 am
PHX
- COU
1 stop10h 10m
American Airlines
Deal found 4/30![American Airlines logo]()
$508
This Southwest deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/108:30 am
STL
- PHX
1 stop5h 30m
Southwest
Sat 10/174:15 pm
PHX
- STL
Nonstop2h 55m
Southwest
Deal found 4/30![Southwest logo]()
$385
This Southwest deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 8/67:15 pm
MCI
- PHX
Nonstop2h 45m
Southwest
Sun 8/98:05 pm
PHX
- MCI
Nonstop2h 35m
Southwest
Deal found 4/30![Southwest logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/153:30 pm
CGI
- PHX
1 stop22h 40m
Multiple Airlines
Mon 5/187:40 pm
PHX
- CGI
2 stops16h 10m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$571
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 5/226:35 pm
SGF
- PHX
1 stop7h 02m
United Airlines
Mon 5/254:21 pm
PHX
- SGF
1 stop5h 21m
United Airlines
Deal found 4/27![United Airlines logo]()
$472
This Southwest deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 7/36:30 pm
MCI
- PHX
Nonstop2h 45m
Southwest
Mon 7/68:55 pm
PHX
- MCI
Nonstop2h 35m
Southwest
Deal found 4/27![Southwest logo]()
$389
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/216:35 pm
SGF
- PHX
1 stop7h 02m
United Airlines
Thu 5/287:07 am
PHX
- SGF
1 stop8h 53m
United Airlines
Deal found 4/28![United Airlines logo]()
$509
This Southwest deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 6/25:35 pm
STL
- PHX
Nonstop3h 25m
Southwest
Thu 6/44:40 pm
PHX
- STL
Nonstop2h 55m
Southwest
Deal found 4/27![Southwest logo]()
$395
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 7/169:45 pm
STL
- PHX
Nonstop3h 10m
Southwest
Wed 7/225:00 am
PHX
- STL
Nonstop2h 50m
Southwest
Deal found 4/28![Southwest logo]()
$395
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/278:54 am
JLN
- PHX
1 stop8h 13m
United Airlines
Sat 5/307:07 am
PHX
- JLN
1 stop9h 30m
United Airlines
Deal found 4/30![United Airlines logo]()
$535
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/131:30 pm
CGI
- PHX
2 stops20h 14m
Multiple Airlines
Sun 5/176:00 am
PHX
- CGI
1 stop12h 35m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$765
This Southwest deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 5/304:45 pm
STL
- PHX
Nonstop3h 20m
Southwest
Thu 6/45:00 am
PHX
- STL
Nonstop2h 50m
Southwest
Deal found 4/27![Southwest logo]()
$395
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/276:35 pm
SGF
- PHX
1 stop7h 16m
United Airlines
Sat 5/304:29 pm
PHX
- SGF
1 stop5h 13m
United Airlines
Deal found 4/30![United Airlines logo]()
$538
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/224:59 pm
SGF
- PHX
1 stop7h 26m
United Airlines
Mon 7/66:10 am
PHX
- SGF
1 stop8h 10m
United Airlines
Deal found 4/29![United Airlines logo]()
$544
This Southwest deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 9/47:15 pm
MCI
- PHX
Nonstop2h 45m
Southwest
Sun 9/67:50 am
PHX
- MCI
Nonstop2h 30m
Southwest
Deal found 4/30![Southwest logo]()
$409
This Southwest deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/55:35 am
MCI
- PHX
1 stop6h 15m
Southwest
Tue 7/143:30 pm
PHX
- MCI
1 stop4h 30m
Southwest
Deal found 4/26![Southwest logo]()
$411
Last-minute flights from Missouri to Sky Harbor IntlDiscover last-minute flight deals from Missouri to Sky Harbor Intl. Data last updated May 1, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Sky Harbor Intl. Data last updated May 1, 2026 and is based on user searches.
This Orbitz deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/72:34 pm
MCI
- PHX
1 stop10h 55m
Frontier
Mon 5/114:17 pm
PHX
- MCI
1 stop19h 32m
Frontier
Deal found 4/26![Frontier logo]()
$248
This Travelocity deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/82:34 pm
MCI
- PHX
1 stop27h 21m
Frontier
Mon 5/114:17 pm
PHX
- MCI
1 stop19h 32m
Frontier
Deal found 4/27![Frontier logo]()
$242
This Expedia deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/89:18 pm
STL
- PHX
1 stop16h 05m
Frontier
Sun 5/1011:30 pm
PHX
- STL
1 stop7h 25m
Frontier
Deal found 4/30![Frontier logo]()
$250
This Orbitz deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:51 pm
STL
- PHX
1 stop6h 33m
Frontier
Sat 5/2310:27 pm
PHX
- STL
1 stop19h 44m
Frontier
Deal found 4/29![Frontier logo]()
$236
This Frontier deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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.
Wed 5/136:51 pm
STL
- PHX
1 stop6h 33m
Frontier
Sun 5/176:00 am
PHX
- STL
1 stop6h 48m
Frontier
Deal found 4/30![Frontier logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/152:34 pm
MCI
- PHX
1 stop21h 31m
Frontier
Mon 5/187:40 pm
PHX
- MCI
2 stops40h 09m
Frontier
Deal found 4/26![Frontier logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/1712:36 pm
STL
- PHX
1 stop22h 11m
Frontier
Wed 5/2012:29 pm
PHX
- STL
2 stops25h 46m
Frontier
Deal found 4/29![Frontier logo]()
$247
This Expedia deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/202:34 pm
MCI
- PHX
1 stop10h 55m
Frontier
Sat 5/238:40 am
PHX
- MCI
1 stop27h 09m
Frontier
Deal found 4/26![Frontier logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/255:27 pm
STL
- PHX
2 stops18h 53m
Frontier
Sat 5/3011:50 am
PHX
- STL
1 stop5h 41m
Frontier
Deal found 4/30![Frontier logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/275:27 pm
STL
- PHX
2 stops19h 18m
Frontier
Sat 5/306:00 am
PHX
- STL
1 stop11h 31m
Frontier
Deal found 5/1![Frontier logo]()
$244
This Frontier deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 5/302:34 pm
MCI
- PHX
1 stop8h 36m
Frontier
Mon 6/85:15 am
PHX
- MCI
1 stop6h 34m
Frontier
Deal found 4/27![Frontier logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 5/312:34 pm
MCI
- PHX
1 stop19h 10m
Frontier
Thu 6/45:15 am
PHX
- MCI
1 stop6h 34m
Frontier
Deal found 4/27![Frontier logo]()
$252
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 May 1, 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 May 1, 2026.
This Super.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/266:51 pm
STL
- PHX
1 stop6h 33m
Frontier
Deal found 4/29![Frontier logo]()
$79
This CheapOair deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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.
Sat 5/236:30 pm
STL
- PHX
1 stop6h 54m
Frontier
Deal found 4/30![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 5/275:27 pm
STL
- PHX
1 stop30h 59m
Frontier
Deal found 4/27![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 6/306:31 pm
STL
- PHX
1 stop29h 49m
Frontier
Deal found 5/1![Frontier logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 6/98:08 pm
STL
- PHX
1 stop16h 08m
Frontier
Deal found 4/28![Frontier logo]()
$85
This Expedia deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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.
Sun 5/244:19 pm
STL
- PHX
1 stop20h 26m
Frontier
Deal found 4/27![Frontier logo]()
$86
This Trip.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 6/91:45 pm
MCI
- PHX
1 stop11h 44m
Frontier
Deal found 4/29![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 6/238:08 pm
STL
- PHX
1 stop16h 08m
Frontier
Deal found 4/29![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/286:33 pm
STL
- PHX
1 stop28h 00m
Frontier
Deal found 4/28![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 6/248:08 pm
STL
- PHX
1 stop16h 13m
Frontier
Deal found 4/29![Frontier logo]()
$93
This Trip.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/42:34 pm
MCI
- PHX
1 stop8h 36m
Frontier
Deal found 4/29![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 6/121:45 pm
MCI
- PHX
1 stop28h 03m
Frontier
Deal found 4/29![Frontier logo]()
$95
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 May 1, 2026.
Round-trip from | $234 (Kiwi.com) |
|---|---|
One-way from | $79 (Super.com) |
Popular in | April |
Cheapest in | November |
Average price | $375 |
Good round-trip deal | $377 or less |
Good one-way deal | $190 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 May 1, 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
SpringfieldPhoenix
SGF - PHX
SGFPHX
Springfield-Branson
Fri 5/22
7:39 pm-12:14 am
1 stop6h 35m
Phoenix Sky Harbor Intl
Sun 5/24
12:35 am-8:59 am
1 stop6h 24m
$359
Kansas CityPhoenix
MCI - PHX
MCIPHX
Kansas City
Thu 5/28
3:10 pm-4:05 pm
Nonstop2h 55m
Phoenix Sky Harbor Intl
Thu 6/4
5:50 pm-12:30 am
1 stop4h 40m
$359
Kansas CityPhoenix
MCI - PHX
MCIPHX
Kansas City
Sat 7/4
9:00 am-2:05 pm
1 stop7h 05m
Phoenix Sky Harbor Intl
Tue 7/14
3:30 pm-10:00 pm
1 stop4h 30m
$364
ColumbiaPhoenix
COU - PHX
COUPHX
Columbia Regional
Thu 6/18
6:47 pm-12:20 am
1 stop7h 33m
Phoenix Sky Harbor Intl
Sat 6/20
12:50 am-10:06 am
1 stop7h 16m
$369
Quickest round-trip
Kansas CityPhoenix
MCI - PHX
MCIPHX
Kansas City
Thu 6/4
9:15 pm-10:00 pm
Nonstop2h 45m
Phoenix Sky Harbor Intl
Sun 6/7
7:05 am-11:35 am
Nonstop2h 30m
$371
Kansas CityPhoenix
MCI - PHX
MCIPHX
Kansas City
Tue 5/26
4:40 pm-5:35 pm
Nonstop2h 55m
Phoenix Sky Harbor Intl
Sat 5/30
6:00 am-10:25 am
Nonstop2h 25m
$379
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Sat 10/24
6:20 am-7:35 am
Nonstop3h 15m
Phoenix Sky Harbor Intl
Sun 11/1
5:45 am-9:30 am
Nonstop2h 45m
$382
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Sat 10/10
8:30 am-12:00 pm
1 stop5h 30m
Phoenix Sky Harbor Intl
Sat 10/17
4:15 pm-9:10 pm
Nonstop2h 55m
$385
ColumbiaPhoenix
COU - PHX
COUPHX
Columbia Regional
Wed 7/1
11:23 am-5:53 pm
1 stop8h 30m
Phoenix Sky Harbor Intl
Sat 7/4
11:50 pm-10:48 am
1 stop8h 58m
$389
Kansas CityPhoenix
MCI - PHX
MCIPHX
Kansas City
Thu 8/6
7:15 pm-8:00 pm
Nonstop2h 45m
Phoenix Sky Harbor Intl
Sun 8/9
8:05 pm-12:40 am
Nonstop2h 35m
$389
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
SGF-PHX
CGI-PHX
COU-PHX
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Missouri to Phoenix Sky Harbor Intl Airport
USMO-PHX
STL-PHX
MCI-PHX
SGF-PHX
CGI-PHX
How far ahead should I book a flight from Missouri to Phoenix Sky Harbor Intl Airport?
The price you pay for your flight from Missouri to Phoenix Sky Harbor Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 83 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Missouri to Phoenix Sky Harbor Intl Airport?
Currently, December is the cheapest month in which you can book a flight from Missouri to Phoenix Sky Harbor Intl Airport (average of $40). Flying from Missouri to Phoenix Sky Harbor Intl Airport in January is currently the most expensive (average of $800). 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 May 1, 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 April 25, 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 May 1, 2026.
The most flights from USMO to PHX are scheduled on a Monday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).
How much does it cost to fly round-trip from Missouri to Phoenix Sky Harbor Intl Airport?
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
Buckeye
Peoria
Chandler
Payson
Camp Verde
Globe
Surprise
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 May 1, 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 May 1, 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 May 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$68 | Average$219 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$121 | Average$199 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$138 | Average$300 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$148 | Average$397 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$195 | Average$426 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$197 | Average$389 | FlexibilityNo cancel fee | On-time63% |