$83+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PHX
Jun 8 — Jun 151
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 October or November, 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 May 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 May 9, 2026.
This Frontier deal was found by Cheapflights users on 5/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/107:03 pm
STL
- PHX
1 stop5h 57m
Frontier
Sat 6/136:40 am
PHX
- STL
1 stop10h 13m
Frontier
Deal found 5/8![Frontier logo]()
$224
This Frontier deal was found by Cheapflights users on 5/5. 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.
Wed 6/107:04 pm
STL
- PHX
1 stop6h 00m
Frontier
Sun 6/146:24 am
PHX
- STL
1 stop9h 54m
Frontier
Deal found 5/5![Frontier logo]()
$230
This Trip.com deal was found by Cheapflights users on 5/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/237:03 pm
STL
- PHX
1 stop6h 01m
Frontier
Fri 6/2610:32 pm
PHX
- STL
1 stop13h 34m
Frontier
Deal found 5/8![Frontier logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
Thu 5/288:08 pm
STL
- PHX
1 stop5h 21m
Frontier
Mon 6/111:26 am
PHX
- STL
2 stops29h 57m
Frontier
Deal found 5/6![Frontier logo]()
$235
This Trip.com deal was found by Cheapflights users on 5/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:51 pm
STL
- PHX
1 stop6h 33m
Frontier
Fri 5/2911:30 pm
PHX
- STL
1 stop7h 25m
Frontier
Deal found 5/8![Frontier logo]()
$236
This Frontier deal was found by Cheapflights users on 5/6. 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.
Sat 7/118:08 pm
STL
- PHX
1 stop5h 24m
Frontier
Sat 7/186:40 am
PHX
- STL
1 stop10h 43m
Frontier
Deal found 5/6![Frontier logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 5/8. 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.
Wed 6/36:51 pm
STL
- PHX
1 stop6h 33m
Frontier
Mon 6/810:27 pm
PHX
- STL
2 stops17h 03m
Frontier
Deal found 5/8![Frontier logo]()
$239
This Expedia deal was found by Cheapflights users on 5/5. 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.
Wed 5/206:51 pm
STL
- PHX
1 stop6h 33m
Frontier
Tue 5/2610:27 pm
PHX
- STL
1 stop17h 39m
Frontier
Deal found 5/5![Frontier logo]()
$240
This Trip.com deal was found by Cheapflights users on 5/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/174:52 pm
STL
- PHX
1 stop7h 26m
Frontier
Tue 7/2110:27 pm
PHX
- STL
1 stop17h 38m
Frontier
Deal found 5/6![Frontier logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Sat 6/66:30 pm
STL
- PHX
1 stop6h 54m
Frontier
Tue 6/911:32 am
PHX
- STL
2 stops29h 51m
Frontier
Deal found 5/4![Frontier logo]()
$242
This Expedia deal was found by Cheapflights users on 5/5. 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.
Fri 5/299:06 pm
STL
- PHX
1 stop16h 17m
Frontier
Mon 6/17:40 am
PHX
- STL
1 stop10h 31m
Frontier
Deal found 5/5![Frontier logo]()
$244
This Trip.com deal was found by Cheapflights users on 5/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/298:08 pm
STL
- PHX
1 stop5h 21m
Frontier
Sun 5/316:00 am
PHX
- STL
1 stop6h 31m
Frontier
Deal found 5/8![Frontier logo]()
$245
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 May 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 May 9, 2026.
This Southwest deal was found by Cheapflights users on 5/8. 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.
Wed 6/35:30 am
STL
- PHX
Nonstop3h 25m
Southwest
Mon 6/84:40 pm
PHX
- STL
Nonstop2h 55m
Southwest
Deal found 5/8![Southwest logo]()
$406
This United Airlines deal was found by Cheapflights users on 5/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/65:10 am
STL
- PHX
1 stop5h 50m
United Airlines
Tue 6/910:06 am
PHX
- STL
2 stops9h 15m
United Airlines
Deal found 5/7![United Airlines logo]()
$446
This Southwest deal was found by Cheapflights users on 5/7. 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.
Mon 6/16:00 pm
STL
- PHX
Nonstop3h 25m
Southwest
Wed 6/34:20 pm
PHX
- STL
Nonstop2h 50m
Southwest
Deal found 5/7![Southwest logo]()
$406
This Southwest deal was found by Cheapflights users on 5/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:35 am
STL
- PHX
1 stop5h 40m
Southwest
Mon 6/15:15 am
PHX
- STL
Nonstop2h 50m
Southwest
Deal found 5/6![Southwest logo]()
$406
This United Airlines deal was found by Cheapflights users on 5/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/231:13 pm
STL
- PHX
2 stops9h 17m
United Airlines
Sat 5/3011:50 pm
PHX
- STL
1 stop8h 44m
United Airlines
Deal found 5/7![United Airlines logo]()
$486
This Southwest deal was found by Cheapflights users on 5/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2911:35 am
STL
- PHX
Nonstop3h 25m
Southwest
Sat 5/3010:30 pm
PHX
- STL
1 stop7h 10m
Southwest
Deal found 5/6![Southwest logo]()
$406
This Southwest deal was found by Cheapflights users on 5/7. 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.
Thu 7/167:50 am
STL
- PHX
Nonstop3h 10m
Southwest
Wed 7/224:50 pm
PHX
- STL
1 stop4h 50m
Southwest
Deal found 5/7![Southwest logo]()
$415
This United Airlines deal was found by Cheapflights users on 5/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/175:10 am
STL
- PHX
1 stop5h 50m
United Airlines
Tue 6/2310:06 am
PHX
- STL
2 stops9h 15m
United Airlines
Deal found 5/4![United Airlines logo]()
$517
This Southwest deal was found by Cheapflights users on 5/8. 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 5/263:55 pm
STL
- PHX
1 stop6h 00m
Southwest
Fri 5/297:40 pm
PHX
- STL
Nonstop2h 50m
Southwest
Deal found 5/8![Southwest logo]()
$425
This Southwest deal was found by Cheapflights users on 5/5. 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.
Fri 6/125:45 am
STL
- PHX
Nonstop3h 10m
Southwest
Mon 6/153:20 pm
PHX
- STL
1 stop5h 25m
Southwest
Deal found 5/5![Southwest logo]()
$445
This Southwest deal was found by Cheapflights users on 5/4. 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.
Fri 5/1511:35 am
STL
- PHX
Nonstop3h 25m
Southwest
Sat 5/234:55 pm
PHX
- STL
Nonstop2h 50m
Southwest
Deal found 5/4![Southwest logo]()
$490
Last-minute flights from St. Louis to TempeDiscover last-minute flight deals from St. Louis to Tempe. Data last updated May 9, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Tempe. Data last updated May 9, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 5/5. 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.
Wed 5/206:51 pm
STL
- PHX
1 stop6h 33m
Frontier
Tue 5/2610:27 pm
PHX
- STL
1 stop17h 39m
Frontier
Deal found 5/5![Frontier logo]()
$240
This Trip.com deal was found by Cheapflights users on 5/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:51 pm
STL
- PHX
1 stop6h 33m
Frontier
Fri 5/2911:30 pm
PHX
- STL
1 stop7h 25m
Frontier
Deal found 5/8![Frontier logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
Thu 5/288:08 pm
STL
- PHX
1 stop5h 21m
Frontier
Mon 6/111:26 am
PHX
- STL
2 stops29h 57m
Frontier
Deal found 5/6![Frontier logo]()
$235
This Expedia deal was found by Cheapflights users on 5/5. 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.
Fri 5/299:06 pm
STL
- PHX
1 stop16h 17m
Frontier
Mon 6/17:40 am
PHX
- STL
1 stop10h 31m
Frontier
Deal found 5/5![Frontier logo]()
$244
This Trip.com deal was found by Cheapflights users on 5/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/298:08 pm
STL
- PHX
1 stop5h 21m
Frontier
Sun 5/316:00 am
PHX
- STL
1 stop6h 31m
Frontier
Deal found 5/8![Frontier logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 5/8. 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.
Wed 6/36:51 pm
STL
- PHX
1 stop6h 33m
Frontier
Mon 6/810:27 pm
PHX
- STL
2 stops17h 03m
Frontier
Deal found 5/8![Frontier logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
Thu 6/49:06 pm
STL
- PHX
1 stop16h 17m
Frontier
Tue 6/911:21 am
PHX
- STL
1 stop6h 02m
Frontier
Deal found 5/6![Frontier logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Sat 6/66:30 pm
STL
- PHX
1 stop6h 54m
Frontier
Tue 6/911:32 am
PHX
- STL
2 stops29h 51m
Frontier
Deal found 5/4![Frontier logo]()
$242
This Frontier deal was found by Cheapflights users on 5/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/107:03 pm
STL
- PHX
1 stop5h 57m
Frontier
Sat 6/136:40 am
PHX
- STL
1 stop10h 13m
Frontier
Deal found 5/8![Frontier logo]()
$224
This Frontier deal was found by Cheapflights users on 5/5. 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.
Wed 6/107:04 pm
STL
- PHX
1 stop6h 00m
Frontier
Sun 6/146:24 am
PHX
- STL
1 stop9h 54m
Frontier
Deal found 5/5![Frontier logo]()
$230
This Trip.com deal was found by Cheapflights users on 5/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/237:03 pm
STL
- PHX
1 stop6h 01m
Frontier
Fri 6/2610:32 pm
PHX
- STL
1 stop13h 34m
Frontier
Deal found 5/8![Frontier logo]()
$233
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 May 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 May 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 5/266:33 pm
STL
- PHX
1 stop28h 00m
Frontier
Deal found 5/4![Frontier logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:27 pm
STL
- PHX
1 stop30h 59m
Frontier
Deal found 5/7![Frontier logo]()
$89
This Super.com deal was found by Cheapflights users on 5/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/43:34 pm
STL
- PHX
1 stop9h 22m
Frontier
Deal found 5/9![Frontier logo]()
$98
This Super.com deal was found by Cheapflights users on 5/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:38 pm
STL
- PHX
1 stop5h 51m
Frontier
Deal found 5/9![Frontier logo]()
$102
This Super.com deal was found by Cheapflights users on 5/8. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:51 pm
STL
- PHX
1 stop6h 33m
Frontier
Deal found 5/8![Frontier logo]()
$104
This Frontier deal was found by Cheapflights users on 5/5. 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 6/307:03 pm
STL
- PHX
1 stop6h 01m
Frontier
Deal found 5/5![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 5/8. 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.
Tue 6/28:08 pm
STL
- PHX
2 stops29h 34m
Frontier
Deal found 5/8![Frontier logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Sun 6/79:06 pm
STL
- PHX
1 stop16h 17m
Frontier
Deal found 5/4![Frontier logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
Tue 7/287:03 pm
STL
- PHX
1 stop5h 54m
Frontier
Deal found 5/6![Frontier logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Mon 6/15:27 pm
STL
- PHX
1 stop30h 59m
Frontier
Deal found 5/5![Frontier logo]()
$115
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 May 9, 2026.
Round-trip from | $224 (Frontier) |
|---|---|
One-way from | $83 (Kiwi.com) |
Popular in | April |
Cheapest in | October |
Average price | $375 |
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 May 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
Wed 6/3
5:30 am-6:55 am
Nonstop3h 25m
Phoenix Sky Harbor Intl
Mon 6/8
4:40 pm-9:35 pm
Nonstop2h 55m
$406
Quickest round-trip
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Mon 6/1
6:00 pm-7:25 pm
Nonstop3h 25m
Phoenix Sky Harbor Intl
Wed 6/3
4:20 pm-9:10 pm
Nonstop2h 50m
$406
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Wed 5/27
6:35 am-10:15 am
1 stop5h 40m
Phoenix Sky Harbor Intl
Mon 6/1
5:15 am-10:05 am
Nonstop2h 50m
$406
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Fri 5/29
11:35 am-1:00 pm
Nonstop3h 25m
Phoenix Sky Harbor Intl
Sat 5/30
10:30 pm-7:40 am
1 stop7h 10m
$406
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Thu 7/16
7:50 am-9:00 am
Nonstop3h 10m
Phoenix Sky Harbor Intl
Wed 7/22
4:50 pm-11:40 pm
1 stop4h 50m
$415
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Tue 5/26
3:55 pm-7:55 pm
1 stop6h 00m
Phoenix Sky Harbor Intl
Fri 5/29
7:40 pm-12:30 am
Nonstop2h 50m
$425
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Fri 6/12
5:45 am-6:55 am
Nonstop3h 10m
Phoenix Sky Harbor Intl
Mon 6/15
3:20 pm-10:45 pm
1 stop5h 25m
$445
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Sat 6/6
5:10 am-9:00 am
1 stop5h 50m
Phoenix Sky Harbor Intl
Tue 6/9
10:06 am-9:21 pm
2 stops9h 15m
$446
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Sat 5/23
1:13 pm-8:30 pm
2 stops9h 17m
Phoenix Sky Harbor Intl
Sat 5/30
11:50 pm-10:34 am
1 stop8h 44m
$486
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Fri 5/15
11:35 am-1:00 pm
Nonstop3h 25m
Phoenix Sky Harbor Intl
Sat 5/23
4:55 pm-9:45 pm
Nonstop2h 50m
$490
Showing 1-10 of 21 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 May 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.
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 2, 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.
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 May 9, 2026.
The most flights from STL to TM9 are scheduled on a Friday (14 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).
How much does it cost to fly round-trip from St. Louis to Tempe?
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 May 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.
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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
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Search flights from St. Louis to Tempe by cabin class
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St. Louis and Tempe flights
Browse other St. Louis and Tempe flight options. Last updated on May 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 May 9, 2026.
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St. Louis to Tempe flights
Consider these flights traveling from St. Louis to Tempe.
Top 6 airlines flying from St. Louis to Tempe
Discover the top 6 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 May 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$94 | Average$212 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$121 | Average$199 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$141 | Average$336 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$148 | Average$386 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$209 | Average$375 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$218 | Average$389 | FlexibilityNo cancel fee | On-time63% |