$63+ Cheap flights from Sky Harbor Intl (PHX) to Missouri
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — STL
Mar 20 — Mar 271
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Sky Harbor Intl to Missouri with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Sky Harbor Intl to Missouri
Cheapest
Best
Last-minute
One-way
Cheapest flights from Sky Harbor Intl to MissouriExplore the most affordable flight options available from Sky Harbor Intl to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 18, 2026.
Explore the most affordable flight options available from Sky Harbor Intl to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 18, 2026.
This Super.com deal was found by Cheapflights users on 2/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/168:50 am
PHX
- MCI
Nonstop2h 34m
Frontier
Mon 3/232:19 pm
MCI
- PHX
Nonstop3h 18m
Frontier
Deal found 2/16![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 2/16. 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 4/47:25 am
PHX
- STL
Nonstop2h 56m
Frontier
Mon 4/68:16 pm
STL
- PHX
1 stop23h 31m
Frontier
Deal found 2/16![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 2/16. 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.
Tue 4/76:52 pm
PHX
- STL
1 stop12h 56m
Frontier
Sat 4/111:06 pm
STL
- PHX
Nonstop3h 35m
Frontier
Deal found 2/16![Frontier logo]()
$152
This Expedia deal was found by Cheapflights users on 2/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/99:24 pm
PHX
- STL
1 stop10h 24m
Frontier
Sat 4/111:06 pm
STL
- PHX
Nonstop3h 35m
Frontier
Deal found 2/17![Frontier logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
Tue 3/176:55 pm
PHX
- STL
1 stop12h 54m
Frontier
Thu 3/1910:47 pm
STL
- PHX
Nonstop3h 41m
Frontier
Deal found 2/17![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 2/16. 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 4/47:25 am
PHX
- STL
Nonstop2h 56m
Frontier
Sat 4/48:16 pm
STL
- PHX
1 stop16h 33m
Frontier
Deal found 2/16![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
Tue 3/313:11 pm
PHX
- STL
1 stop16h 37m
Frontier
Fri 4/38:16 pm
STL
- PHX
1 stop17h 29m
Frontier
Deal found 2/17![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
Fri 3/69:48 am
PHX
- MCI
Nonstop2h 36m
Frontier
Mon 3/92:09 pm
MCI
- PHX
Nonstop3h 18m
Frontier
Deal found 2/17![Frontier logo]()
$166
This Frontier deal was found by Cheapflights users on 2/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/262:27 pm
PHX
- MCI
Nonstop2h 32m
Frontier
Mon 3/24:49 pm
MCI
- PHX
Nonstop3h 16m
Frontier
Deal found 2/16![Frontier logo]()
$168
This Frontier deal was found by Cheapflights users on 2/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1612:08 pm
PHX
- STL
Nonstop2h 53m
Frontier
Thu 3/1910:47 pm
STL
- PHX
Nonstop3h 41m
Frontier
Deal found 2/17![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/176:50 am
PHX
- STL
1 stop24h 59m
Frontier
Tue 3/2412:14 pm
STL
- PHX
1 stop10h 04m
Frontier
Deal found 2/15![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 2/14. 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 4/117:25 am
PHX
- STL
Nonstop2h 56m
Frontier
Mon 4/138:16 pm
STL
- PHX
1 stop23h 27m
Frontier
Deal found 2/14![Frontier logo]()
$173
Best flights from Sky Harbor Intl to MissouriDiscover carefully curated flight deals from Sky Harbor Intl to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 18, 2026.
Discover carefully curated flight deals from Sky Harbor Intl to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 18, 2026.
This Super.com deal was found by Cheapflights users on 2/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/168:50 am
PHX
- MCI
Nonstop2h 34m
Frontier
Mon 3/232:19 pm
MCI
- PHX
Nonstop3h 18m
Frontier
Deal found 2/17![Frontier logo]()
$127
This United Airlines deal was found by Cheapflights users on 2/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/164:30 pm
PHX
- JLN
1 stop4h 58m
United Airlines
Mon 3/236:24 pm
JLN
- PHX
1 stop5h 47m
United Airlines
Deal found 2/16![United Airlines logo]()
$274
This American Airlines deal was found by Cheapflights users on 2/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/611:51 pm
PHX
- SGF
1 stop8h 00m
American Airlines
Mon 4/137:54 pm
SGF
- PHX
1 stop5h 39m
American Airlines
Deal found 2/16![American Airlines logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
Tue 3/176:55 pm
PHX
- STL
1 stop12h 54m
Frontier
Thu 3/1910:47 pm
STL
- PHX
Nonstop3h 41m
Frontier
Deal found 2/17![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
Fri 3/69:48 am
PHX
- MCI
Nonstop2h 36m
Frontier
Mon 3/92:09 pm
MCI
- PHX
Nonstop3h 18m
Frontier
Deal found 2/17![Frontier logo]()
$166
This Frontier deal was found by Cheapflights users on 2/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/278:39 am
PHX
- MCI
Nonstop2h 34m
Frontier
Mon 3/301:58 pm
MCI
- PHX
Nonstop3h 18m
Frontier
Deal found 2/17![Frontier logo]()
$168
This Expedia deal was found by Cheapflights users on 2/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1612:08 pm
PHX
- STL
Nonstop2h 53m
Frontier
Thu 3/1910:47 pm
STL
- PHX
Nonstop3h 41m
Frontier
Deal found 2/17![Frontier logo]()
$168
This American Airlines deal was found by Cheapflights users on 2/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1212:38 am
PHX
- SGF
1 stop6h 46m
American Airlines
Sat 4/185:47 pm
SGF
- PHX
1 stop5h 59m
American Airlines
Deal found 2/17![American Airlines logo]()
$279
This Expedia deal was found by Cheapflights users on 2/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/262:27 pm
PHX
- MCI
Nonstop2h 32m
Frontier
Sun 3/11:44 pm
MCI
- PHX
1 stop19h 28m
Frontier
Deal found 2/15![Frontier logo]()
$199
This United Airlines deal was found by Cheapflights users on 2/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/89:50 am
PHX
- COU
2 stops10h 06m
United Airlines
Mon 4/135:00 am
COU
- PHX
1 stop6h 22m
United Airlines
Deal found 2/16![United Airlines logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
Tue 3/176:55 pm
PHX
- STL
1 stop12h 54m
Frontier
Wed 3/188:12 pm
STL
- PHX
1 stop5h 39m
Frontier
Deal found 2/17![Frontier logo]()
$199
This United Airlines deal was found by Cheapflights users on 2/14. 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.
Sat 3/143:35 pm
PHX
- JLN
1 stop5h 53m
United Airlines
Sat 3/216:24 pm
JLN
- PHX
1 stop5h 47m
United Airlines
Deal found 2/14![United Airlines logo]()
$296
This American Airlines deal was found by Cheapflights users on 2/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/312:51 am
PHX
- SGF
1 stop8h 04m
American Airlines
Sun 3/87:46 pm
SGF
- PHX
1 stop5h 58m
American Airlines
Deal found 2/17![American Airlines logo]()
$309
This Super.com deal was found by Cheapflights users on 2/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:51 pm
PHX
- MCI
1 stop24h 38m
Frontier
Mon 3/24:49 pm
MCI
- PHX
Nonstop3h 16m
Frontier
Deal found 2/17![Frontier logo]()
$200
This United Airlines deal was found by Cheapflights users on 2/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/32:52 pm
PHX
- JLN
1 stop7h 36m
United Airlines
Sat 3/78:54 am
JLN
- PHX
1 stop8h 20m
United Airlines
Deal found 2/16![United Airlines logo]()
$304
This American Airlines deal was found by Cheapflights users on 2/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1211:51 pm
PHX
- SGF
1 stop7h 59m
American Airlines
Sun 3/296:15 pm
SGF
- PHX
1 stop7h 52m
American Airlines
Deal found 2/15![American Airlines logo]()
$319
This Frontier deal was found by Cheapflights users on 2/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1612:08 pm
PHX
- STL
Nonstop2h 53m
Frontier
Wed 3/184:51 pm
STL
- PHX
1 stop8h 53m
Frontier
Deal found 2/17![Frontier logo]()
$200
This CheapOair deal was found by Cheapflights users on 2/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/19:24 pm
PHX
- STL
1 stop19h 48m
Frontier
Sun 5/39:55 pm
STL
- PHX
1 stop27h 54m
Frontier
Deal found 2/16![Frontier logo]()
$201
This American Airlines deal was found by Cheapflights users on 2/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:30 am
PHX
- SGF
1 stop8h 36m
American Airlines
Wed 3/117:46 pm
SGF
- PHX
1 stop5h 58m
American Airlines
Deal found 2/14![American Airlines logo]()
$334
This United Airlines deal was found by Cheapflights users on 2/14. 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.
Tue 4/214:34 pm
PHX
- JLN
1 stop5h 10m
United Airlines
Sat 4/251:58 pm
JLN
- PHX
1 stop4h 56m
United Airlines
Deal found 2/14![United Airlines logo]()
$354
This American Airlines deal was found by Cheapflights users on 2/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2111:59 pm
PHX
- SGF
1 stop7h 52m
American Airlines
Sun 4/265:47 pm
SGF
- PHX
1 stop7h 46m
American Airlines
Deal found 2/16![American Airlines logo]()
$335
This Frontier deal was found by Cheapflights users on 2/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:25 am
PHX
- STL
1 stop12h 35m
Frontier
Sun 5/38:12 pm
STL
- PHX
1 stop5h 35m
Frontier
Deal found 2/14![Frontier logo]()
$211
This United Airlines deal was found by Cheapflights users on 2/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/83:30 pm
PHX
- JLN
1 stop6h 14m
United Airlines
Mon 5/112:28 pm
JLN
- PHX
1 stop7h 51m
United Airlines
Deal found 2/16![United Airlines logo]()
$354
This CheapOair deal was found by Cheapflights users on 2/15. 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 CheapOair 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
Sun 5/102:15 pm
MCI
- PHX
1 stop5h 28m
Frontier
Deal found 2/15![Frontier logo]()
$212
This American Airlines deal was found by Cheapflights users on 2/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/811:59 pm
PHX
- SGF
1 stop7h 52m
American Airlines
Mon 5/117:54 pm
SGF
- PHX
1 stop5h 39m
American Airlines
Deal found 2/16![American Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 2/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/216:40 am
PHX
- SGF
2 stops8h 41m
United Airlines
Tue 3/35:02 pm
SGF
- PHX
1 stop5h 19m
United Airlines
Deal found 2/16![United Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 2/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1611:50 am
PHX
- SGF
1 stop6h 56m
American Airlines
Sat 5/235:53 pm
SGF
- PHX
Nonstop3h 07m
American Airlines
Deal found 2/16![American Airlines logo]()
$350
This Expedia deal was found by Cheapflights users on 2/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/269:24 pm
PHX
- STL
1 stop10h 25m
Frontier
Sun 3/2910:49 pm
STL
- PHX
Nonstop3h 41m
Frontier
Deal found 2/14![Frontier logo]()
$223
This United Airlines deal was found by Cheapflights users on 2/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:15 am
PHX
- SGF
1 stop6h 20m
United Airlines
Mon 3/91:27 pm
SGF
- PHX
1 stop7h 12m
United Airlines
Deal found 2/17![United Airlines logo]()
$389
This American Airlines deal was found by Cheapflights users on 2/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2512:51 am
PHX
- SGF
1 stop7h 59m
American Airlines
Sun 3/17:46 pm
SGF
- PHX
1 stop5h 58m
American Airlines
Deal found 2/14![American Airlines logo]()
$354
Last-minute flights from Sky Harbor Intl to MissouriDiscover last-minute flight deals from Sky Harbor Intl to Missouri. Data last updated February 18, 2026 and is based on user searches.
Discover last-minute flight deals from Sky Harbor Intl to Missouri. Data last updated February 18, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 2/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/262:27 pm
PHX
- MCI
Nonstop2h 32m
Frontier
Mon 3/24:49 pm
MCI
- PHX
Nonstop3h 16m
Frontier
Deal found 2/16![Frontier logo]()
$168
This Super.com deal was found by Cheapflights users on 2/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/262:27 pm
PHX
- MCI
Nonstop2h 32m
Frontier
Sun 3/14:49 pm
MCI
- PHX
Nonstop3h 16m
Frontier
Deal found 2/17![Frontier logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
Wed 3/49:52 am
PHX
- STL
1 stop5h 01m
Frontier
Sun 3/810:47 pm
STL
- PHX
Nonstop3h 41m
Frontier
Deal found 2/17![Frontier logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
Fri 3/69:48 am
PHX
- MCI
Nonstop2h 36m
Frontier
Mon 3/92:09 pm
MCI
- PHX
Nonstop3h 18m
Frontier
Deal found 2/17![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
Fri 3/1312:08 pm
PHX
- STL
Nonstop2h 53m
Frontier
Sun 3/2210:47 pm
STL
- PHX
Nonstop3h 41m
Frontier
Deal found 2/17![Frontier logo]()
$186
This Super.com deal was found by Cheapflights users on 2/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/168:50 am
PHX
- MCI
Nonstop2h 34m
Frontier
Mon 3/232:19 pm
MCI
- PHX
Nonstop3h 18m
Frontier
Deal found 2/17![Frontier logo]()
$127
This Expedia deal was found by Cheapflights users on 2/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1612:08 pm
PHX
- STL
Nonstop2h 53m
Frontier
Thu 3/1910:47 pm
STL
- PHX
Nonstop3h 41m
Frontier
Deal found 2/17![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
Tue 3/176:55 pm
PHX
- STL
1 stop12h 54m
Frontier
Thu 3/1910:47 pm
STL
- PHX
Nonstop3h 41m
Frontier
Deal found 2/17![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/176:50 am
PHX
- STL
1 stop24h 59m
Frontier
Tue 3/2412:14 pm
STL
- PHX
1 stop10h 04m
Frontier
Deal found 2/15![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
Tue 3/244:27 pm
PHX
- MCI
1 stop22h 42m
Multiple Airlines
Mon 3/301:58 pm
MCI
- PHX
Nonstop3h 18m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 2/14. 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.
Fri 3/279:24 pm
PHX
- STL
1 stop10h 25m
Frontier
Mon 3/308:12 pm
STL
- PHX
1 stop19h 49m
Frontier
Deal found 2/14![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
Tue 3/313:11 pm
PHX
- STL
1 stop16h 37m
Frontier
Fri 4/38:16 pm
STL
- PHX
1 stop17h 29m
Frontier
Deal found 2/17![Frontier logo]()
$165
One-way flights from Sky Harbor Intl to MissouriSearch for one-way flight options from Sky Harbor Intl to Missouri. Find affordable one-way fares based on user searches. Data last updated February 18, 2026.
Search for one-way flight options from Sky Harbor Intl to Missouri. Find affordable one-way fares based on user searches. Data last updated February 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/168:50 am
PHX
- MCI
Nonstop2h 34m
Frontier
Deal found 2/17![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
Sat 5/169:52 am
PHX
- STL
1 stop7h 20m
Frontier
Deal found 2/17![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 2/16. 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 4/186:50 am
PHX
- MCI
1 stop5h 16m
Frontier
Deal found 2/16![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
Tue 3/176:55 pm
PHX
- STL
1 stop12h 54m
Frontier
Deal found 2/17![Frontier logo]()
$69
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
Fri 4/179:24 pm
PHX
- MCI
1 stop14h 42m
Frontier
Deal found 2/17![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
Fri 4/176:51 pm
PHX
- STL
1 stop22h 41m
Frontier
Deal found 2/17![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 2/14. 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.
Wed 4/156:45 pm
PHX
- STL
1 stop22h 27m
Frontier
Deal found 2/14![Frontier logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 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 20m
Frontier
Deal found 2/15![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/289:22 am
PHX
- MCI
1 stop9h 24m
Frontier
Deal found 2/15![Frontier logo]()
$82
This Super.com deal was found by Cheapflights users on 2/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/262:27 pm
PHX
- MCI
Nonstop2h 32m
Frontier
Deal found 2/17![Frontier logo]()
$83
This Super.com deal was found by Cheapflights users on 2/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1612:08 pm
PHX
- STL
Nonstop2h 53m
Frontier
Deal found 2/17![Frontier logo]()
$83
This Frontier deal was found by Cheapflights users on 2/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/85:09 pm
PHX
- STL
Nonstop2h 53m
Frontier
Deal found 2/17![Frontier logo]()
$84
Find flight deals from Sky Harbor Intl to Missouri
Keep the following information in mind while searching for Sky Harbor Intl to Missouri flight deals. Data was last updated February 18, 2026.
Round-trip from | $127 (Super.com) |
|---|---|
One-way from | $63 (Kiwi.com) |
Popular in | April |
Cheapest in | January |
Average price | $357 |
Good round-trip deal | $276 or less |
Good one-way deal | $137 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Sky Harbor Intl to Missouri that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 18, 2026.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Missouri that are best for you.
Fly from
Sky Harbor Intl
Fly to
Missouri
Route
Depart
Return
Price
PhoenixKansas City
PHX - MCI
PHXMCI
Phoenix Sky Harbor Intl
Mon 3/16
8:50 am-1:24 pm
Nonstop2h 34m
Kansas City
Mon 3/23
2:19 pm-3:37 pm
Nonstop3h 18m
$127
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Tue 3/17
6:55 pm-9:49 am
1 stop12h 54m
Lambert-St Louis
Thu 3/19
10:47 pm-12:28 am
Nonstop3h 41m
$163
PhoenixKansas City
PHX - MCI
PHXMCI
Phoenix Sky Harbor Intl
Fri 3/6
9:48 am-1:24 pm
Nonstop2h 36m
Kansas City
Mon 3/9
2:09 pm-3:27 pm
Nonstop3h 18m
$166
PhoenixKansas City
PHX - MCI
PHXMCI
Phoenix Sky Harbor Intl
Fri 3/27
8:39 am-1:13 pm
Nonstop2h 34m
Kansas City
Mon 3/30
1:58 pm-3:16 pm
Nonstop3h 18m
$168
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Mon 3/16
12:08 pm-5:01 pm
Nonstop2h 53m
Lambert-St Louis
Thu 3/19
10:47 pm-12:28 am
Nonstop3h 41m
$168
PhoenixKansas City
PHX - MCI
PHXMCI
Phoenix Sky Harbor Intl
Thu 2/26
2:27 pm-5:59 pm
Nonstop2h 32m
Kansas City
Sun 3/1
1:44 pm-8:12 am
1 stop19h 28m
$199
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Tue 3/17
6:55 pm-9:49 am
1 stop12h 54m
Lambert-St Louis
Wed 3/18
8:12 pm-11:51 pm
1 stop5h 39m
$199
PhoenixKansas City
PHX - MCI
PHXMCI
Phoenix Sky Harbor Intl
Wed 2/25
6:51 pm-8:29 pm
1 stop24h 38m
Kansas City
Mon 3/2
4:49 pm-7:05 pm
Nonstop3h 16m
$200
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Mon 3/16
12:08 pm-5:01 pm
Nonstop2h 53m
Lambert-St Louis
Wed 3/18
4:51 pm-11:44 pm
1 stop8h 53m
$200
PhoenixSt. Louis
PHX - STL
PHXSTL
Phoenix Sky Harbor Intl
Fri 5/1
9:24 pm-7:12 pm
1 stop19h 48m
Lambert-St Louis
Sun 5/3
9:55 pm-11:49 pm
1 stop27h 54m
$201
Showing 1-10 of 60 results
Best time to book a flight from Sky Harbor Intl to Missouri
Have a flexible travel schedule? Discover the best time to fly to Missouri from Sky Harbor Intl with our price prediction graph.
PHX-MCI
PHX-STL
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 Sky Harbor Intl Airport to Missouri
PHX-USMO
PHX-MCI
PHX-STL
PHX-SGF
PHX-COU
What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Missouri?
Currently, January is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Missouri (average of $93). Flying from Phoenix Sky Harbor Intl Airport to Missouri in May is currently the most expensive (average of $201). 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 Sky Harbor Intl to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 18, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 8% on flights from Phoenix Sky Harbor Intl Airport to Missouri by exploring options for tickets in the afternoon.
What is the cheapest day to fly from Phoenix Sky Harbor Intl Airport to Missouri?
Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to Missouri. Price data was last updated on February 17, 2026.
Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Missouri flight should consider departing on Thursday at noon 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 Sky Harbor Intl Airport to Missouri
Explore weekly flight availability from Sky Harbor Intl to Missouri. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 18, 2026.
The most flights from PHX to USMO are scheduled on a Monday (16 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 February 18, 2026.
Get a feel of what it's like to fly with Southwest, United Airlines, and American Airlines from Phoenix Sky Harbor Intl Airport to Missouri by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Sky Harbor Intl to Missouri. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for Sky Harbor Intl to Missouri
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Missouri by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Sky Harbor Intl to Missouri by cabin class
Find flights from Sky Harbor Intl to Missouri, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Sky Harbor Intl and Missouri flights
Browse other Sky Harbor Intl and Missouri flight options. Last updated on February 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Sky Harbor Intl to Missouri flights
Consider these flights traveling from Sky Harbor Intl to Missouri.
Top 6 airlines flying from Sky Harbor Intl to Missouri
Discover the top 6 airlines that operate flights from Sky Harbor Intl to Missouri. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$99 | Average$206 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$147 | Average$217 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$187 | Average$382 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$197 | Average$410 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$236 | Average$367 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$254 | Average$365 | FlexibilityNo cancel fee | On-time69% |