$89+ Cheap flights from St. Louis (STL) to Tempe, AZ
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 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PHX
Jul 9 — Jul 161
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Tempe 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.Cheapflights Tip: The best prices from Lambert-St Louis to Tempe are usually found in November or October, booked 24 days in advance, depart on a Wednesday or Friday and return on a Friday
Cheap flight deals from St. Louis to Tempe
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Best
Last-minute
One-way
Cheapest flights from St. Louis to TempeExplore the most affordable flight options available from St. Louis to Tempe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 9, 2026.
Explore the most affordable flight options available from St. Louis to Tempe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:34 pm
STL
- PHX
1 stop27h 10m
Frontier
Thu 8/139:58 pm
PHX
- STL
1 stop18h 17m
Frontier
Deal found 6/5![Frontier logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:10 pm
STL
- PHX
1 stop19h 49m
Frontier
Sat 8/159:04 am
PHX
- STL
2 stops30h 33m
Frontier
Deal found 6/8![Frontier logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/212:11 pm
STL
- PHX
1 stop25h 13m
Frontier
Mon 7/611:35 am
PHX
- STL
2 stops28h 30m
Frontier
Deal found 6/8![Frontier logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/193:33 pm
STL
- PHX
1 stop22h 58m
Frontier
Wed 8/267:45 am
PHX
- STL
1 stop8h 23m
Frontier
Deal found 6/4![Frontier logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/63:41 pm
STL
- PHX
1 stop22h 45m
Frontier
Mon 8/1011:23 pm
PHX
- STL
1 stop16h 14m
Frontier
Deal found 6/4![Frontier logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/137:10 pm
STL
- PHX
1 stop19h 49m
Frontier
Fri 7/1711:23 pm
PHX
- STL
1 stop7h 34m
Frontier
Deal found 6/8![Frontier logo]()
$248
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:35 am
STL
- PHX
Nonstop3h 15m
Southwest
Tue 8/113:25 pm
PHX
- STL
Nonstop2h 55m
Southwest
Deal found 6/8![Southwest logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/273:33 pm
STL
- PHX
1 stop22h 58m
Frontier
Thu 9/35:15 am
PHX
- STL
1 stop12h 08m
Frontier
Deal found 6/4![Frontier logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/13:41 pm
STL
- PHX
1 stop9h 18m
Frontier
Wed 8/52:04 pm
PHX
- STL
1 stop26h 11m
Frontier
Deal found 6/8![Frontier logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/137:10 pm
STL
- PHX
1 stop19h 49m
Frontier
Thu 7/1611:35 am
PHX
- STL
2 stops28h 40m
Frontier
Deal found 6/8![Frontier logo]()
$255
This Frontier deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/118:08 pm
STL
- PHX
1 stop5h 24m
Frontier
Sat 7/187:45 am
PHX
- STL
1 stop8h 30m
Frontier
Deal found 6/7![Frontier logo]()
$256
Best flights from St. Louis to TempeDiscover carefully curated flight deals from St. Louis to Tempe that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 9, 2026.
Discover carefully curated flight deals from St. Louis to Tempe that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 9, 2026.
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/179:45 pm
STL
- PHX
Nonstop3h 15m
Southwest
Thu 7/238:55 pm
PHX
- STL
Nonstop3h 00m
Southwest
Deal found 6/8![Southwest logo]()
$377
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/154:48 pm
STL
- PHX
1 stop7h 11m
United Airlines
Tue 7/211:28 pm
PHX
- STL
1 stop5h 58m
United Airlines
Deal found 6/8![United Airlines logo]()
$397
This Alaska Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:00 am
STL
- PHX
1 stop10h 10m
Alaska Airlines
Wed 10/287:36 am
PHX
- STL
2 stops14h 23m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$473
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/142:20 pm
STL
- PHX
1 stop5h 50m
Southwest
Fri 7/178:55 pm
PHX
- STL
Nonstop3h 00m
Southwest
Deal found 6/8![Southwest logo]()
$387
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/179:45 pm
STL
- PHX
Nonstop3h 15m
Southwest
Sun 7/195:00 am
PHX
- STL
Nonstop2h 50m
Southwest
Deal found 6/7![Southwest logo]()
$416
This Southwest deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/274:55 pm
STL
- PHX
Nonstop3h 10m
Southwest
Tue 7/142:30 pm
PHX
- STL
1 stop5h 25m
Southwest
Deal found 6/4![Southwest logo]()
$425
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/48:25 am
STL
- PHX
1 stop4h 45m
Southwest
Thu 10/89:05 pm
PHX
- STL
Nonstop2h 50m
Southwest
Deal found 6/5![Southwest logo]()
$435
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/246:20 pm
STL
- PHX
Nonstop3h 10m
Southwest
Wed 7/14:50 pm
PHX
- STL
1 stop4h 50m
Southwest
Deal found 6/5![Southwest logo]()
$435
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:35 am
STL
- PHX
Nonstop3h 20m
Southwest
Fri 10/1611:15 am
PHX
- STL
1 stop5h 50m
Southwest
Deal found 6/5![Southwest logo]()
$439
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/236:10 am
STL
- PHX
Nonstop3h 10m
Southwest
Tue 6/305:05 am
PHX
- STL
1 stop5h 00m
Southwest
Deal found 6/8![Southwest logo]()
$445
This Southwest deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/246:20 pm
STL
- PHX
Nonstop3h 10m
Southwest
Sat 6/275:15 am
PHX
- STL
Nonstop2h 55m
Southwest
Deal found 6/4![Southwest logo]()
$455
Last-minute flights from St. Louis to TempeDiscover last-minute flight deals from St. Louis to Tempe. Data last updated June 9, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Tempe. Data last updated June 9, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/144:17 pm
STL
- PHX
1 stop20h 10m
Frontier
Tue 6/162:15 pm
PHX
- STL
1 stop27h 08m
Frontier
Deal found 6/4![Frontier logo]()
$334
This Expedia deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/157:38 pm
STL
- PHX
1 stop22h 10m
Frontier
Tue 6/302:00 pm
PHX
- STL
1 stop26h 51m
Frontier
Deal found 6/6![Frontier logo]()
$321
This Expedia deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/157:38 pm
STL
- PHX
1 stop5h 51m
Frontier
Sat 6/276:40 am
PHX
- STL
1 stop10h 13m
Frontier
Deal found 6/5![Frontier logo]()
$335
This Expedia deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/157:03 pm
STL
- PHX
1 stop6h 01m
Frontier
Mon 6/296:40 am
PHX
- STL
1 stop10h 13m
Frontier
Deal found 6/6![Frontier logo]()
$340
This Super.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/167:03 pm
STL
- PHX
1 stop6h 01m
Frontier
Wed 6/1711:21 am
PHX
- STL
1 stop6h 02m
Frontier
Deal found 6/7![Frontier logo]()
$318
This Expedia deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/168:08 pm
STL
- PHX
1 stop5h 21m
Frontier
Sat 7/1112:12 am
PHX
- STL
1 stop21h 47m
Frontier
Deal found 6/7![Frontier logo]()
$323
This Frontier deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/167:03 pm
STL
- PHX
1 stop6h 01m
Frontier
Wed 6/2411:21 am
PHX
- STL
1 stop6h 02m
Frontier
Deal found 6/5![Frontier logo]()
$326
This Frontier deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/168:08 pm
STL
- PHX
1 stop5h 21m
Frontier
Thu 6/186:40 am
PHX
- STL
1 stop10h 13m
Frontier
Deal found 6/7![Frontier logo]()
$344
This Frontier deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/177:03 pm
STL
- PHX
1 stop6h 01m
Frontier
Sat 6/206:24 am
PHX
- STL
1 stop10h 10m
Frontier
Deal found 6/7![Frontier logo]()
$316
This CheapOair deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/174:17 pm
STL
- PHX
1 stop20h 10m
Frontier
Tue 6/2310:32 pm
PHX
- STL
1 stop18h 19m
Frontier
Deal found 6/9![Frontier logo]()
$333
This Expedia deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/187:03 pm
STL
- PHX
1 stop6h 01m
Frontier
Sat 7/412:12 am
PHX
- STL
1 stop21h 47m
Frontier
Deal found 6/7![Frontier logo]()
$341
One-way flights from St. Louis to TempeSearch for one-way flight options from St. Louis to Tempe. Find affordable one-way fares based on user searches. Data last updated June 9, 2026.
Search for one-way flight options from St. Louis to Tempe. Find affordable one-way fares based on user searches. Data last updated June 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/212:11 pm
STL
- PHX
1 stop25h 13m
Frontier
Deal found 6/8![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/287:03 pm
STL
- PHX
1 stop19h 56m
Frontier
Deal found 6/4![Frontier logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:10 pm
STL
- PHX
2 stops24h 31m
Frontier
Deal found 6/8![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/67:10 pm
STL
- PHX
1 stop19h 49m
Frontier
Deal found 6/6![Frontier logo]()
$124
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:45 pm
STL
- PHX
Nonstop3h 10m
Southwest
Deal found 6/7![Southwest logo]()
$125
This Super.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:03 pm
STL
- PHX
1 stop6h 02m
Frontier
Deal found 6/7![Frontier logo]()
$127
This Frontier deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:08 pm
STL
- PHX
1 stop5h 26m
Frontier
Deal found 6/7![Frontier logo]()
$128
This Super.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/224:09 pm
STL
- PHX
1 stop20h 21m
Frontier
Deal found 6/4![Frontier logo]()
$131
This Super.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/13:41 pm
STL
- PHX
1 stop9h 18m
Frontier
Deal found 6/5![Frontier logo]()
$132
This Frontier deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:58 pm
STL
- PHX
1 stop6h 27m
Frontier
Deal found 6/6![Frontier logo]()
$133
Find flight deals from St. Louis to Tempe
Keep the following information in mind while searching for St. Louis to Tempe flight deals. Data was last updated June 9, 2026.
Round-trip from | $236 (Kiwi.com) |
|---|---|
One-way from | $89 (Kiwi.com) |
Popular in | June |
Cheapest in | November |
Average price | $415 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Tempe 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 June 9, 2026.
Use the filters below to find and compare flights from St. Louis to Tempe that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Fri 7/17
9:45 pm-11:00 pm
Nonstop3h 15m
Phoenix Sky Harbor Intl
Thu 7/23
8:55 pm-1:55 am
Nonstop3h 00m
$377
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Tue 7/14
2:20 pm-6:10 pm
1 stop5h 50m
Phoenix Sky Harbor Intl
Fri 7/17
8:55 pm-1:55 am
Nonstop3h 00m
$387
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Wed 7/15
4:48 pm-9:59 pm
1 stop7h 11m
Phoenix Sky Harbor Intl
Tue 7/21
1:28 pm-9:26 pm
1 stop5h 58m
$397
Quickest round-trip
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Fri 7/17
9:45 pm-11:00 pm
Nonstop3h 15m
Phoenix Sky Harbor Intl
Sun 7/19
5:00 am-9:50 am
Nonstop2h 50m
$416
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Sat 6/27
4:55 pm-6:05 pm
Nonstop3h 10m
Phoenix Sky Harbor Intl
Tue 7/14
2:30 pm-9:55 pm
1 stop5h 25m
$425
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Sun 10/4
8:25 am-11:10 am
1 stop4h 45m
Phoenix Sky Harbor Intl
Thu 10/8
9:05 pm-1:55 am
Nonstop2h 50m
$435
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Wed 6/24
6:20 pm-7:30 pm
Nonstop3h 10m
Phoenix Sky Harbor Intl
Wed 7/1
4:50 pm-11:40 pm
1 stop4h 50m
$435
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Thu 10/15
5:35 am-6:55 am
Nonstop3h 20m
Phoenix Sky Harbor Intl
Fri 10/16
11:15 am-7:05 pm
1 stop5h 50m
$439
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Tue 6/23
6:10 am-7:20 am
Nonstop3h 10m
Phoenix Sky Harbor Intl
Tue 6/30
5:05 am-12:05 pm
1 stop5h 00m
$445
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Wed 6/24
6:20 pm-7:30 pm
Nonstop3h 10m
Phoenix Sky Harbor Intl
Sat 6/27
5:15 am-10:10 am
Nonstop2h 55m
$455
Showing 1-10 of 23 resultsSorted by cheapest first
Best time to book a flight from St. Louis to Tempe
Have a flexible travel schedule? Discover the best time to fly to Tempe from St. Louis with our price prediction graph.
STL-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 St. Louis to Tempe
STL-TM9
STL-PHX
What is the cheapest time of day to fly from STL to TM9?
Find hourly flight availability from St. Louis to Tempe. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 9, 2026.
One of the essential ways to save on airfare from St. Louis to Tempe is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 29% on airfare.
Weekly flight availability from St. Louis to Tempe
Explore weekly flight availability from St. Louis to Tempe. 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 June 9, 2026.
The most flights from STL to TM9 are scheduled on a Monday (8 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).
How much does it cost to fly round-trip from St. Louis to Tempe?
What is the cheapest day to fly from St. Louis to Tempe?
Use this chart to determine the cheapest time to fly round-trip from St. Louis to Tempe. Price data was last updated on May 30, 2026.
Travelers seeking maximum savings on their St. Louis to Tempe 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.
Reviews of airlines servicing Tempe
Get insights into the airlines that provide service to Tempe. 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 Tempe. Reviews last updated June 9, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from St. Louis to Tempe. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Overall
7.9
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Overall
7.9
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Overall
7.9
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Overall
7.9
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Overall
7.9
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Overall
7.9
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Tempe. 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 Tempe
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Complete your trip
Complete your trip to Tempe by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from St. Louis to Tempe by cabin class
Find flights from St. Louis to Tempe, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Tempe flights
Browse other St. Louis and Tempe flight options. Last updated on June 9, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on June 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
St. Louis to Tempe flights
Consider these flights traveling from St. Louis to Tempe.
Top 5 airlines flying from St. Louis to Tempe
Discover the top 5 airlines that operate flights from St. Louis to Tempe. 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 June 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$94 | Average$211 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$148 | Average$381 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$213 | Average$382 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$218 | Average$394 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$236 | Average$336 | FlexibilityNo cancel fee | On-timeN/A |