$62+ Cheap flights from St. Louis (STL) to Arizona
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PHX
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Arizona 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 St. Louis to Arizona
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Cheapest flights from St. Louis to ArizonaExplore the most affordable flight options available from St. Louis to Arizona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from St. Louis to Arizona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This Southwest deal was found by Cheapflights users on 10/27. 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 11/245:35 am -
1 stop7h 00m
Tue 12/13:10 pm -
1 stop5h 00m
Deal found 10/27![Southwest logo]()
$305
This Mytrip deal was found by Cheapflights users on 10/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:59 pm -
1 stop5h 43m
Mon 11/168:30 am -
2 stops9h 44m
Deal found 10/26![Frontier logo]()
$305
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/295:58 pm -
1 stop19h 46m
Mon 1/47:24 am -
1 stop7h 02m
Deal found 10/29![Frontier logo]()
$306
This Mytrip deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/285:15 pm -
1 stop8h 18m
Tue 12/16:51 am -
2 stops27h 15m
Deal found 10/25![Frontier logo]()
$307
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/161:28 pm -
1 stop25h 05m
Mon 11/237:34 pm -
1 stop11h 20m
Deal found 10/29![Frontier logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/114:18 pm -
1 stop9h 24m
Wed 11/1810:09 am -
1 stop23h 36m
Deal found 10/28![Frontier logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 12/245:37 pm -
2 stops30h 02m
Thu 12/3110:09 pm -
1 stop16h 17m
Deal found 10/25![Frontier logo]()
$310
This Mytrip deal was found by Cheapflights users on 10/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/253:04 pm -
2 stops24h 10m
Mon 11/3010:21 pm -
2 stops20h 46m
Deal found 10/28![Frontier logo]()
$311
This American Airlines deal was found by Cheapflights users on 10/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/245:00 am -
1 stop6h 03m
Mon 12/75:59 pm -
1 stop4h 53m
Deal found 10/27![American Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 12/315:37 pm -
2 stops28h 27m
Mon 1/47:24 am -
1 stop7h 02m
Deal found 10/28![Frontier logo]()
$314
This Southwest deal was found by Cheapflights users on 10/26. 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.
Thu 12/108:25 am -
2 stops13h 00m
Thu 12/173:45 pm -
1 stop7h 45m
Deal found 10/26![Southwest logo]()
$316
This Cheapflightsfares deal was found by Cheapflights users on 10/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/245:37 pm -
1 stop19h 20m
Mon 12/287:24 am -
1 stop7h 02m
Deal found 10/26![Frontier logo]()
$316
Best flights from St. Louis to ArizonaDiscover carefully curated flight deals from St. Louis to Arizona that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from St. Louis to Arizona that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This Delta deal was found by Cheapflights users on 10/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/102:33 pm -
1 stop9h 34m
Thu 12/175:53 pm -
1 stop5h 53m
Deal found 10/26![Delta logo]()
$305
This Southwest deal was found by Cheapflights users on 10/26. 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.
Thu 12/108:25 am -
2 stops13h 00m
Thu 12/173:45 pm -
1 stop7h 45m
Deal found 10/26![Southwest logo]()
$316
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 12/111:18 pm -
2 stops9h 12m
Mon 12/146:30 am -
1 stop5h 23m
Deal found 10/25![United Airlines logo]()
$374
This American Airlines deal was found by Cheapflights users on 10/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/182:28 pm -
1 stop5h 52m
Tue 1/266:35 am -
1 stop6h 03m
Deal found 10/29![American Airlines logo]()
$545
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/244:32 pm -
2 stops18h 18m
Thu 12/317:12 pm -
2 stops19h 22m
Deal found 10/28![Alaska Airlines logo]()
$562
This Southwest deal was found by Cheapflights users on 10/29. 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 11/195:55 am -
Nonstop3h 25m
Wed 11/259:00 pm -
Nonstop2h 55m
Deal found 10/29![Southwest logo]()
$358
This Southwest deal was found by Cheapflights users on 10/27. 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 1/15:25 pm -
1 stop6h 00m
Mon 1/43:45 pm -
1 stop7h 45m
Deal found 10/27![Southwest logo]()
$369
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 1/121:17 pm -
2 stops9h 58m
Sun 1/172:47 pm -
1 stop4h 51m
Deal found 10/25![United Airlines logo]()
$411
This Southwest deal was found by Cheapflights users on 10/29. 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 2/255:25 pm -
Nonstop3h 30m
Mon 3/18:45 pm -
Nonstop2h 55m
Deal found 10/29![Southwest logo]()
$377
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/205:13 pm -
1 stop6h 52m
Sat 12/264:27 pm -
1 stop6h 28m
Deal found 10/29![Delta logo]()
$460
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Wed 11/114:39 pm -
1 stop7h 20m
Sun 11/159:36 am -
1 stop6h 20m
Deal found 10/28![United Airlines logo]()
$441
This Southwest deal was found by Cheapflights users on 10/29. 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.
Wed 2/175:45 am -
Nonstop3h 30m
Sat 2/207:00 pm -
Nonstop2h 55m
Deal found 10/29![Southwest logo]()
$417
This American Airlines deal was found by Cheapflights users on 10/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/112:31 pm -
1 stop6h 07m
Mon 12/146:30 am -
1 stop6h 25m
Deal found 10/29![American Airlines logo]()
$560
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Tue 11/179:40 am -
2 stops9h 39m
Mon 11/236:30 am -
1 stop5h 08m
Deal found 10/29![United Airlines logo]()
$466
This Southwest deal was found by Cheapflights users on 10/27. 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.
Thu 1/217:00 pm -
Nonstop3h 30m
Mon 1/2510:40 am -
Nonstop2h 55m
Deal found 10/27![Southwest logo]()
$417
This American Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 1/62:28 pm -
1 stop7h 32m
Sat 1/911:18 am -
2 stops11h 39m
Deal found 10/25![American Airlines logo]()
$589
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Mon 11/164:39 pm -
1 stop5h 55m
Sun 11/226:30 am -
2 stops8h 13m
Deal found 10/27![United Airlines logo]()
$498
This Southwest deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 12/82:25 pm -
2 stops8h 30m
Sun 12/136:55 am -
2 stops11h 15m
Deal found 10/25![Southwest logo]()
$422
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Mon 1/182:28 pm -
1 stop7h 32m
Thu 1/217:29 am -
1 stop5h 09m
Deal found 10/28![American Airlines logo]()
$600
This Southwest deal was found by Cheapflights users on 10/28. 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 1/72:30 pm -
2 stops6h 50m
Mon 1/1110:40 am -
Nonstop2h 55m
Deal found 10/28![Southwest logo]()
$432
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Wed 12/28:40 am -
3 stops14h 19m
Sun 12/62:50 pm -
1 stop5h 07m
Deal found 10/27![United Airlines logo]()
$538
This American Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 12/245:00 am -
1 stop8h 46m
Sat 12/261:16 pm -
1 stop5h 20m
Deal found 10/25![American Airlines logo]()
$612
This Southwest deal was found by Cheapflights users on 10/26. 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.
Mon 11/309:45 pm -
Nonstop3h 30m
Tue 12/16:15 pm -
Nonstop2h 55m
Deal found 10/26![Southwest logo]()
$432
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 11/108:50 am -
1 stop8h 15m
Sat 11/149:36 am -
1 stop6h 21m
Deal found 10/25![United Airlines logo]()
$539
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Fri 2/58:52 am -
2 stops13h 48m
Fri 2/1211:20 am -
2 stops11h 02m
Deal found 10/28![United Airlines logo]()
$558
This American Airlines deal was found by Cheapflights users on 10/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/510:20 am -
2 stops10h 27m
Mon 1/116:35 am -
1 stop6h 03m
Deal found 10/29![American Airlines logo]()
$701
This Southwest deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 1/1212:35 pm -
2 stops8h 50m
Sun 1/178:55 am -
2 stops6h 40m
Deal found 10/25![Southwest logo]()
$483
This Southwest deal was found by Cheapflights users on 10/27. 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.
Wed 11/118:25 am -
1 stop4h 50m
Tue 11/178:35 am -
Nonstop2h 55m
Deal found 10/27![Southwest logo]()
$486
This American Airlines deal was found by Cheapflights users on 10/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:21 am -
2 stops9h 19m
Wed 11/2512:40 pm -
2 stops10h 21m
Deal found 10/27![American Airlines logo]()
$726
This Southwest deal was found by Cheapflights users on 10/29. 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.
Fri 2/129:45 pm -
Nonstop3h 30m
Mon 2/158:45 pm -
Nonstop2h 55m
Deal found 10/29![Southwest logo]()
$498
Last-minute flights from St. Louis to ArizonaDiscover last-minute flight deals from St. Louis to Arizona. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Arizona. Data last updated October 30, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/44:18 pm -
1 stop9h 24m
Sat 11/710:09 am -
1 stop8h 05m
Deal found 10/28![Frontier logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/114:18 pm -
1 stop9h 24m
Wed 11/1810:09 am -
1 stop23h 36m
Deal found 10/28![Frontier logo]()
$309
This Cheapflightsfares deal was found by Cheapflights users on 10/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1312:14 pm -
1 stop12h 41m
Mon 11/167:15 am -
1 stop10h 59m
Deal found 10/26![Frontier logo]()
$319
This Mytrip deal was found by Cheapflights users on 10/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:59 pm -
1 stop5h 43m
Mon 11/168:30 am -
2 stops9h 44m
Deal found 10/26![Frontier logo]()
$305
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/161:28 pm -
1 stop25h 05m
Mon 11/237:34 pm -
1 stop11h 20m
Deal found 10/29![Frontier logo]()
$308
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/192:00 pm -
3 stops22h 25m
Wed 11/2510:21 pm -
2 stops16h 59m
Deal found 10/29![Multiple Airlines logo]()
$322
This Mytrip deal was found by Cheapflights users on 10/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/233:04 pm -
2 stops21h 21m
Mon 11/3012:30 pm -
2 stops30h 37m
Deal found 10/26![Frontier logo]()
$326
This Southwest deal was found by Cheapflights users on 10/27. 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 11/245:35 am -
1 stop7h 00m
Tue 12/13:10 pm -
1 stop5h 00m
Deal found 10/27![Southwest logo]()
$305
This American Airlines deal was found by Cheapflights users on 10/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/245:00 am -
1 stop6h 03m
Mon 12/75:59 pm -
1 stop4h 53m
Deal found 10/27![American Airlines logo]()
$313
This Mytrip deal was found by Cheapflights users on 10/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/253:04 pm -
2 stops24h 10m
Mon 11/3010:21 pm -
2 stops20h 46m
Deal found 10/28![Frontier logo]()
$311
This Mytrip deal was found by Cheapflights users on 10/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/273:04 pm -
2 stops10h 29m
Tue 12/17:52 pm -
1 stop14h 14m
Deal found 10/26![Frontier logo]()
$325
This Mytrip deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/285:15 pm -
1 stop8h 18m
Tue 12/16:51 am -
2 stops27h 15m
Deal found 10/25![Frontier logo]()
$307
One-way flights from St. Louis to ArizonaSearch for one-way flight options from St. Louis to Arizona. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from St. Louis to Arizona. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/184:18 pm -
1 stop9h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$62
This Super.com deal was found by Cheapflights users on 10/26. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/167:54 pm -
1 stop5h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Mon 11/167:59 pm -
1 stop5h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Frontier logo]()
$73
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/253:04 pm -
1 stop10h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 12/117:54 pm -
1 stop21h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Frontier logo]()
$80
This Cheapflightsfares deal was found by Cheapflights users on 10/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1911:40 am -
1 stop14h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Frontier logo]()
$83
This Southwest deal was found by Cheapflights users on 10/26. 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 1/511:20 am -
1 stop7h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Southwest logo]()
$185
This Southwest deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 11/155:05 am -
1 stop9h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Southwest logo]()
$205
This American Airlines deal was found by Cheapflights users on 10/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/155:50 am -
1 stop17h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![American Airlines logo]()
$405
This American Airlines deal was found by Cheapflights users on 10/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/295:00 am -
1 stop19h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![American Airlines logo]()
$415
This American Airlines deal was found by Cheapflights users on 10/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:24 am -
1 stop5h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![American Airlines logo]()
$474
This United Airlines deal was found by Cheapflights users on 10/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/78:00 am -
2 stops11h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![United Airlines logo]()
$479
Find flight deals from St. Louis to Arizona
Keep the following information in mind while searching for St. Louis to Arizona flight deals. Data was last updated October 30, 2026.
Round-trip from | $305 (Southwest) |
|---|---|
One-way from | $62 (Kiwi.com) |
Popular in | November |
Cheapest in | January |
Average price | $421 |
Good round-trip deal | $434 or less |
Good one-way deal | $212 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Arizona 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 7,457,451 searches. Data last updated October 30, 2026.
Use the filters below to find and compare flights from St. Louis to Arizona that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisPhoenix
STL Lambert-St Louis - PHX Phoenix Sky Harbor Intl
STLPHX
Lambert-St Louis
Mon 1/18
7:02 pm-5:37 pm
2 stops23h 35m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$104
St. LouisPhoenix
STL Lambert-St Louis - PHX Phoenix Sky Harbor Intl
STLPHX
Lambert-St Louis
Mon 2/15
7:02 pm-10:56 am
1 stop16h 54m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$111
St. LouisPhoenix
STL Lambert-St Louis - PHX Phoenix Sky Harbor Intl
STLPHX
Lambert-St Louis
Wed 12/23
6:21 pm-2:54 pm
2 stops21h 33m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$137
St. LouisPhoenix
STL Lambert-St Louis - PHX Phoenix Sky Harbor Intl
STLPHX
Lambert-St Louis
Wed 11/25
9:45 pm-12:15 am
Nonstop3h 30m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$170
St. LouisTucson
STL Lambert-St Louis - TUS Tucson
STLTUS
Lambert-St Louis
Tue 1/5
11:20 am-5:50 pm
1 stop7h 30m
Tucson
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$185
St. LouisPhoenix
STL Lambert-St Louis - PHX Phoenix Sky Harbor Intl
STLPHX
Lambert-St Louis
Mon 2/15
5:25 pm-7:55 pm
Nonstop3h 30m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$189
St. LouisPhoenix
STL Lambert-St Louis - PHX Phoenix Sky Harbor Intl
STLPHX
Lambert-St Louis
Wed 12/23
9:45 pm-12:15 am
Nonstop3h 30m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$189
St. LouisPhoenix
STL Lambert-St Louis - PHX Phoenix Sky Harbor Intl
STLPHX
Lambert-St Louis
Mon 1/18
5:05 am-7:35 am
Nonstop3h 30m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$209
Quickest round-trip
St. LouisPhoenix
STL Lambert-St Louis - PHX Phoenix Sky Harbor Intl
STLPHX
Lambert-St Louis
Mon 11/16
2:05 pm-4:30 pm
Nonstop3h 25m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$209
St. LouisPhoenix
STL Lambert-St Louis - PHX Phoenix Sky Harbor Intl
STLPHX
Lambert-St Louis
Fri 1/15
9:45 pm-12:15 am
Nonstop3h 30m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$209
Showing 1-10 of 51 resultsSorted by cheapest first
Best time to book a flight from St. Louis to Arizona
Have a flexible travel schedule? Discover the best time to fly to Arizona from St. Louis with our price prediction graph.
STL-TUS
STL-PHX
STL-YUM
STL-PRC
STL-FLG
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 St. Louis to Arizona
STL-USAZ
STL-TUS
STL-PHX
STL-YUM
STL-PRC
What is the cheapest month to book a flight from St. Louis to Arizona?
Currently, January is the cheapest month in which you can book a flight from St. Louis to Arizona (average of $340). Flying from St. Louis to Arizona in August is currently the most expensive (average of $451). 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 STL to AZ?
Find hourly flight availability from St. Louis to Arizona. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2026.
A simple way to save on the total cost of your ticket is to fly from St. Louis to Arizona in the evening. If you’re flexible enough to do this you can expect to save up to 31% on your trip compared to booking a flight in the morning.
How much does it cost to fly round-trip from St. Louis to Arizona?
Airfare is below average for this route at the moment.
St. Louis to Arizona flights typically cost between $354 and $575 in November.The cheapest round-trip price found within the last 5 days was $305 on Frontier (Nov 14-Nov 16).
How far ahead should I book a flight from St. Louis to Arizona?
The price you pay for your flight from St. Louis to Arizona may vary depending on when you book. For the best chance of a lower fare, look to book 23 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest day to fly from St. Louis to Arizona?
Use this chart to determine the cheapest time to fly round-trip from St. Louis to Arizona. Price data was last updated on October 24, 2026.
Travelers seeking maximum savings on their St. Louis to Arizona flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Arizona
Get insights into the airlines that provide service to Arizona. 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 Arizona. Reviews last updated October 30, 2026.
Get a feel of what it's like to fly with Southwest,United Airlines, andJetBlue from St. Louis to Arizona 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.
Food
7.0
Entertainment
7.4
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
2.0
MediocreBhoopal,Nov 2024
STL - BOS
Food
7.0
Entertainment
7.4
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
2.0
MediocreBhoopal,Nov 2024
STL - BOS
Food
7.0
Entertainment
7.4
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
2.0
MediocreBhoopal,Nov 2024
STL - BOS
Food
7.0
Entertainment
7.4
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
2.0
MediocreBhoopal,Nov 2024
STL - BOS
Food
7.0
Entertainment
7.4
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
2.0
MediocreBhoopal,Nov 2024
STL - BOS
Food
7.0
Entertainment
7.4
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
2.0
MediocreBhoopal,Nov 2024
STL - BOS
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Arizona. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for St. Louis to Arizona
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Complete your trip
Complete your trip to Arizona by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from St. Louis to Arizona by cabin class
Find flights from St. Louis to Arizona, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Arizona flights
Browse other St. Louis and Arizona flight options. Last updated on October 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
St. Louis to Arizona flights
Consider these flights traveling from St. Louis to Arizona.
Top 5 airlines flying from St. Louis to Arizona
Discover the top 5 airlines that operate flights from St. Louis to Arizona. 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 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$98 | Average$233 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$148 | Average$443 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$269 | Average$380 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$290 | Average$450 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$293 | Average$487 | FlexibilityNo cancel fee | On-time71% |