$78+ Cheap flights from St. Louis (STL) to Gilbert, 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PHX
Aug 6 — Aug 131
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Gilbert 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 Gilbert are usually found in November or September, booked 24 days in advance, depart on a Wednesday or Friday and return on a Friday
Cheap flight deals from St. Louis to Gilbert
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to GilbertExplore the most affordable flight options available from St. Louis to Gilbert. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 7, 2026.
Explore the most affordable flight options available from St. Louis to Gilbert. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/5. 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.
Fri 8/216:45 pm
STL
- PHX
1 stop20h 03m
Frontier
Sat 8/299:10 am
PHX
- STL
2 stops30h 12m
Frontier
Deal found 7/5![Frontier logo]()
$296
This Southwest deal was found by Cheapflights users on 7/6. 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 8/286:00 am
STL
- PHX
Nonstop3h 15m
Southwest
Fri 9/46:55 pm
PHX
- STL
Nonstop2h 55m
Southwest
Deal found 7/6![Southwest logo]()
$297
This Frontier deal was found by Cheapflights users on 7/7. 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.
Thu 10/2210:35 am
STL
- PHX
1 stop13h 04m
Frontier
Mon 10/2611:31 pm
PHX
- STL
1 stop8h 09m
Frontier
Deal found 7/7![Frontier logo]()
$298
This Frontier deal was found by Cheapflights users on 7/5. 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.
Sun 10/188:10 pm
STL
- PHX
1 stop5h 23m
Frontier
Wed 10/218:16 am
PHX
- STL
1 stop8h 59m
Frontier
Deal found 7/5![Frontier logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 7/4. 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.
Fri 10/96:41 pm
STL
- PHX
2 stops28h 54m
Frontier
Sat 10/176:30 am
PHX
- STL
1 stop16h 47m
Frontier
Deal found 7/4![Frontier logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 7/4. 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.
Fri 7/317:10 pm
STL
- PHX
1 stop18h 17m
Frontier
Fri 8/77:45 am
PHX
- STL
1 stop8h 30m
Frontier
Deal found 7/4![Frontier logo]()
$302
This Frontier deal was found by Cheapflights users on 7/6. 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.
Thu 10/158:10 pm
STL
- PHX
1 stop5h 23m
Frontier
Mon 10/196:05 am
PHX
- STL
1 stop11h 10m
Frontier
Deal found 7/6![Frontier logo]()
$303
This Frontier deal was found by Cheapflights users on 7/7. 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.
Thu 9/1010:35 am
STL
- PHX
1 stop13h 04m
Frontier
Sun 9/1310:44 pm
PHX
- STL
1 stop8h 56m
Frontier
Deal found 7/7![Frontier logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/124:57 pm
STL
- PHX
2 stops21h 52m
Frontier
Wed 8/1910:09 pm
PHX
- STL
1 stop17h 41m
Frontier
Deal found 7/3![Frontier logo]()
$305
This Southwest deal was found by Cheapflights users on 7/5. 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 7/296:00 am
STL
- PHX
1 stop5h 40m
Southwest
Mon 8/38:55 pm
PHX
- STL
Nonstop3h 00m
Southwest
Deal found 7/5![Southwest logo]()
$307
This Frontier deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/278:08 pm
STL
- PHX
1 stop5h 24m
Frontier
Mon 8/37:45 am
PHX
- STL
1 stop8h 30m
Frontier
Deal found 7/3![Frontier logo]()
$308
This Super.com deal was found by Cheapflights users on 7/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/68:08 pm
STL
- PHX
1 stop5h 19m
Frontier
Sun 8/96:24 am
PHX
- STL
1 stop6h 32m
Frontier
Deal found 7/6![Frontier logo]()
$309
Best flights from St. Louis to GilbertDiscover carefully curated flight deals from St. Louis to Gilbert that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 7, 2026.
Discover carefully curated flight deals from St. Louis to Gilbert that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 7, 2026.
This Southwest deal was found by Cheapflights users on 7/4. 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.
Mon 8/39:45 pm
STL
- PHX
Nonstop3h 15m
Southwest
Mon 8/105:00 am
PHX
- STL
Nonstop2h 50m
Southwest
Deal found 7/4![Southwest logo]()
$297
This Southwest deal was found by Cheapflights users on 7/5. 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.
Sat 8/18:45 pm
STL
- PHX
Nonstop3h 10m
Southwest
Wed 8/56:00 am
PHX
- STL
Nonstop2h 55m
Southwest
Deal found 7/5![Southwest logo]()
$297
This Southwest deal was found by Cheapflights users on 7/4. 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 7/311:20 pm
STL
- PHX
Nonstop3h 10m
Southwest
Fri 8/76:55 pm
PHX
- STL
Nonstop2h 55m
Southwest
Deal found 7/4![Southwest logo]()
$297
This Southwest deal was found by Cheapflights users on 7/6. 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.
Tue 8/188:45 pm
STL
- PHX
Nonstop3h 10m
Southwest
Tue 8/256:00 am
PHX
- STL
Nonstop2h 55m
Southwest
Deal found 7/6![Southwest logo]()
$297
This Southwest deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 9/216:05 pm
STL
- PHX
1 stop5h 30m
Southwest
Thu 9/245:00 am
PHX
- STL
Nonstop2h 50m
Southwest
Deal found 7/2![Southwest logo]()
$307
This Southwest deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/112:45 pm
STL
- PHX
2 stops6h 10m
Southwest
Fri 8/143:25 pm
PHX
- STL
1 stop5h 45m
Southwest
Deal found 7/3![Southwest logo]()
$322
This Southwest deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 7/301:20 pm
STL
- PHX
Nonstop3h 10m
Southwest
Sun 8/27:00 am
PHX
- STL
1 stop5h 20m
Southwest
Deal found 7/2![Southwest logo]()
$386
This Southwest deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 12/96:00 am
STL
- PHX
Nonstop3h 25m
Southwest
Mon 12/148:35 am
PHX
- STL
Nonstop2h 50m
Southwest
Deal found 7/3![Southwest logo]()
$393
This Southwest deal was found by Cheapflights users on 7/4. 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 10/218:50 pm
STL
- PHX
Nonstop3h 15m
Southwest
Wed 10/2810:30 am
PHX
- STL
1 stop5h 10m
Southwest
Deal found 7/4![Southwest logo]()
$405
This Southwest deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 10/285:20 pm
STL
- PHX
1 stop6h 15m
Southwest
Sun 11/18:25 pm
PHX
- STL
Nonstop2h 50m
Southwest
Deal found 7/2![Southwest logo]()
$407
Last-minute flights from St. Louis to GilbertDiscover last-minute flight deals from St. Louis to Gilbert. Data last updated July 7, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Gilbert. Data last updated July 7, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/277:10 pm
STL
- PHX
1 stop5h 55m
Frontier
Sat 8/16:40 am
PHX
- STL
1 stop10h 43m
Frontier
Deal found 7/3![Frontier logo]()
$303
This Frontier deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/278:08 pm
STL
- PHX
1 stop5h 24m
Frontier
Mon 8/37:45 am
PHX
- STL
1 stop8h 30m
Frontier
Deal found 7/3![Frontier logo]()
$308
This Southwest deal was found by Cheapflights users on 7/5. 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 7/296:00 am
STL
- PHX
1 stop5h 40m
Southwest
Mon 8/38:55 pm
PHX
- STL
Nonstop3h 00m
Southwest
Deal found 7/5![Southwest logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 7/4. 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.
Fri 7/317:10 pm
STL
- PHX
1 stop18h 17m
Frontier
Fri 8/77:45 am
PHX
- STL
1 stop8h 30m
Frontier
Deal found 7/4![Frontier logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 8/46:34 pm
STL
- PHX
2 stops20h 15m
Frontier
Tue 8/1111:17 am
PHX
- STL
1 stop6h 06m
Frontier
Deal found 7/5![Frontier logo]()
$298
This Super.com deal was found by Cheapflights users on 7/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/68:08 pm
STL
- PHX
1 stop5h 19m
Frontier
Sun 8/96:24 am
PHX
- STL
1 stop6h 32m
Frontier
Deal found 7/6![Frontier logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/124:57 pm
STL
- PHX
2 stops21h 52m
Frontier
Wed 8/1910:09 pm
PHX
- STL
1 stop17h 41m
Frontier
Deal found 7/3![Frontier logo]()
$305
This Expedia deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/148:08 pm
STL
- PHX
1 stop16h 03m
Frontier
Sun 8/166:24 am
PHX
- STL
1 stop6h 32m
Frontier
Deal found 7/2![Frontier logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 8/174:57 pm
STL
- PHX
2 stops21h 52m
Frontier
Mon 8/244:40 pm
PHX
- STL
1 stop21h 51m
Frontier
Deal found 7/5![Frontier logo]()
$311
This Frontier deal was found by Cheapflights users on 7/6. 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.
Thu 8/206:45 pm
STL
- PHX
1 stop6h 39m
Frontier
Sun 8/236:35 am
PHX
- STL
1 stop10h 38m
Frontier
Deal found 7/6![Frontier logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 7/5. 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.
Fri 8/216:45 pm
STL
- PHX
1 stop20h 03m
Frontier
Sat 8/299:10 am
PHX
- STL
2 stops30h 12m
Frontier
Deal found 7/5![Frontier logo]()
$296
This Southwest deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/286:00 pm
STL
- PHX
Nonstop3h 15m
Southwest
Mon 8/315:00 am
PHX
- STL
Nonstop2h 50m
Southwest
Deal found 7/2![Southwest logo]()
$297
One-way flights from St. Louis to GilbertSearch for one-way flight options from St. Louis to Gilbert. Find affordable one-way fares based on user searches. Data last updated July 7, 2026.
Search for one-way flight options from St. Louis to Gilbert. Find affordable one-way fares based on user searches. Data last updated July 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 9/16:45 pm
STL
- PHX
1 stop6h 39m
Frontier
Deal found 7/3![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 9/2912:46 pm
STL
- PHX
1 stop10h 49m
Frontier
Deal found 7/2![Frontier logo]()
$79
This WAYA deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:03 pm
STL
- PHX
1 stop6h 02m
Frontier
Deal found 7/2![Frontier logo]()
$82
This Super.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/18:08 pm
STL
- PHX
1 stop5h 24m
Frontier
Deal found 7/2![Frontier logo]()
$118
This Frontier deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 7/288:08 pm
STL
- PHX
1 stop5h 24m
Frontier
Deal found 7/2![Frontier logo]()
$120
This Southwest deal was found by Cheapflights users on 7/7. 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 8/108:45 pm
STL
- PHX
Nonstop3h 10m
Southwest
Deal found 7/7![Southwest logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/48:08 pm
STL
- PHX
1 stop18h 32m
Frontier
Deal found 7/3![Frontier logo]()
$123
This Frontier deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 9/26:45 pm
STL
- PHX
1 stop6h 39m
Frontier
Deal found 7/3![Frontier logo]()
$125
This Frontier deal was found by Cheapflights users on 7/6. 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 8/54:57 pm
STL
- PHX
1 stop7h 19m
Frontier
Deal found 7/6![Frontier logo]()
$126
Find flight deals from St. Louis to Gilbert
Keep the following information in mind while searching for St. Louis to Gilbert flight deals. Data was last updated July 7, 2026.
Round-trip from | $296 (Kiwi.com) |
|---|---|
One-way from | $78 (Kiwi.com) |
Popular in | June |
Cheapest in | November |
Average price | $392 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Gilbert 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 July 7, 2026.
Use the filters below to find and compare flights from St. Louis to Gilbert that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Mon 8/3
9:45 pm-11:00 pm
Nonstop3h 15m
Phoenix Sky Harbor Intl
Mon 8/10
5:00 am-9:50 am
Nonstop2h 50m
$297
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Sat 8/1
8:45 pm-9:55 pm
Nonstop3h 10m
Phoenix Sky Harbor Intl
Wed 8/5
6:00 am-10:55 am
Nonstop2h 55m
$297
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Fri 7/31
1:20 pm-2:30 pm
Nonstop3h 10m
Phoenix Sky Harbor Intl
Fri 8/7
6:55 pm-11:50 pm
Nonstop2h 55m
$297
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Tue 8/18
8:45 pm-9:55 pm
Nonstop3h 10m
Phoenix Sky Harbor Intl
Tue 8/25
6:00 am-10:55 am
Nonstop2h 55m
$297
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Mon 9/21
6:05 pm-9:35 pm
1 stop5h 30m
Phoenix Sky Harbor Intl
Thu 9/24
5:00 am-9:50 am
Nonstop2h 50m
$307
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Tue 8/11
2:45 pm-6:55 pm
2 stops6h 10m
Phoenix Sky Harbor Intl
Fri 8/14
3:25 pm-11:10 pm
1 stop5h 45m
$322
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Thu 7/30
1:20 pm-2:30 pm
Nonstop3h 10m
Phoenix Sky Harbor Intl
Sun 8/2
7:00 am-2:20 pm
1 stop5h 20m
$386
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Wed 12/9
6:00 am-8:25 am
Nonstop3h 25m
Phoenix Sky Harbor Intl
Mon 12/14
8:35 am-12:25 pm
Nonstop2h 50m
$393
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Wed 10/21
8:50 pm-10:05 pm
Nonstop3h 15m
Phoenix Sky Harbor Intl
Wed 10/28
10:30 am-5:40 pm
1 stop5h 10m
$405
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Wed 10/28
5:20 pm-9:35 pm
1 stop6h 15m
Phoenix Sky Harbor Intl
Sun 11/1
8:25 pm-12:15 am
Nonstop2h 50m
$407
Showing 1-10 of 21 resultsSorted by cheapest first
Best time to book a flight from St. Louis to Gilbert
Have a flexible travel schedule? Discover the best time to fly to Gilbert 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 Gilbert
STL-G1L
STL-PHX
What is the cheapest time of day to fly from STL to G1L?
Find hourly flight availability from St. Louis to Gilbert. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 7, 2026.
A simple way to save on the total cost of your ticket is to fly from St. Louis to Gilbert in the evening. If you’re flexible enough to do this you can expect to save up to 30% on your trip compared to booking a flight in the morning.
Weekly flight availability from St. Louis to Gilbert
Explore weekly flight availability from St. Louis to Gilbert. 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 July 7, 2026.
The most flights from STL to G1L are scheduled on a Monday (9 on average). You will have fewer flight options on Wednesday, 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 Gilbert?
What is the cheapest day to fly from St. Louis to Gilbert?
Use this chart to determine the cheapest time to fly round-trip from St. Louis to Gilbert. Price data was last updated on July 4, 2026.
Travelers seeking maximum savings on their St. Louis to Gilbert 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 Gilbert
Get insights into the airlines that provide service to Gilbert. 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 Gilbert. Reviews last updated July 7, 2026.
Peruse reviews from past customers who have flown with Southwest,United Airlines, andAmerican Airlines from St. Louis to Gilbert to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Overall
7.9
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreBhoopal,Nov 2024
STL - BOS
Entertainment
7.5
Overall
7.9
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreBhoopal,Nov 2024
STL - BOS
Entertainment
7.5
Overall
7.9
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreBhoopal,Nov 2024
STL - BOS
Entertainment
7.5
Overall
7.9
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreBhoopal,Nov 2024
STL - BOS
Entertainment
7.5
Overall
7.9
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
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 Gilbert. 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 Gilbert
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Complete your trip
Complete your trip to Gilbert by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from St. Louis to Gilbert by cabin class
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St. Louis and Gilbert flights
Browse other St. Louis and Gilbert flight options. Last updated on July 7, 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 July 7, 2026.
Popular flight searches
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St. Louis to Gilbert flights
Consider these flights traveling from St. Louis to Gilbert.
Top 4 airlines flying from St. Louis to Gilbert
Discover the top 4 airlines that operate flights from St. Louis to Gilbert. 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 July 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$94 | Average$211 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$148 | Average$434 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$211 | Average$377 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$220 | Average$417 | FlexibilityNo cancel fee | On-time63% |