$63+ 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
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 October, booked 69 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday
Cheap flight deals from St. Louis to Gilbert
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 December 12, 2025.
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 December 12, 2025.
This deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Frontier deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” 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.
This Kiwi.com deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” 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.
This Kiwi.com deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” 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.
This Frontier deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” 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.
This Booking.com deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Frontier deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” 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.
This Expedia deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” 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.
This Super.com deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” 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.
This Kiwi.com deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” 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.
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 December 12, 2025.
Round-trip from | $142 (Kiwi.com) |
|---|---|
One-way from | $63 (Trip.com) |
Popular in | March |
Cheapest in | November |
Average price | $317 |
Cheapflights Fare Finder
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
Price
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Sat 2/21
7:41 am-2:30 pm
1 stop7h 49m
Phoenix Sky Harbor Intl
Sat 2/28
7:00 am-1:14 pm
1 stop5h 14m
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Wed 2/11
5:55 am-8:35 am
Nonstop3h 40m
Phoenix Sky Harbor Intl
Sat 2/14
6:55 pm-10:45 pm
Nonstop2h 50m
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Wed 1/21
2:15 pm-4:45 pm
Nonstop3h 30m
Phoenix Sky Harbor Intl
Wed 1/28
10:35 am-2:25 pm
Nonstop2h 50m
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Tue 1/20
4:35 pm-10:14 pm
1 stop6h 39m
Phoenix Sky Harbor Intl
Tue 1/27
11:35 am-8:58 pm
2 stops8h 23m
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Tue 1/20
2:50 pm-11:59 pm
1 stop10h 09m
Phoenix Sky Harbor Intl
Sat 1/31
7:00 am-1:54 pm
1 stop29h 54m
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Tue 1/20
2:50 pm-11:59 pm
1 stop10h 09m
Phoenix Sky Harbor Intl
Fri 1/30
1:16 pm-10:46 pm
1 stop8h 30m
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Fri 1/16
8:45 pm-11:15 pm
Nonstop3h 30m
Phoenix Sky Harbor Intl
Sun 1/18
6:55 am-10:45 am
Nonstop2h 50m
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Mon 2/2
7:55 pm-10:25 pm
Nonstop3h 30m
Phoenix Sky Harbor Intl
Sat 2/7
8:55 am-12:45 pm
Nonstop2h 50m
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Wed 1/7
2:15 pm-4:45 pm
Nonstop3h 30m
Phoenix Sky Harbor Intl
Fri 1/9
6:55 am-10:45 am
Nonstop2h 50m
St. LouisPhoenix
STL - PHX
STLPHX
Lambert-St Louis
Fri 3/6
5:15 am-7:50 am
Nonstop3h 35m
Phoenix Sky Harbor Intl
Tue 3/10
6:30 pm-11:20 pm
Nonstop2h 50m
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.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to Gilbert
How far ahead should I book a flight from St. Louis to Gilbert?
Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Gilbert. Price data was last updated on December 5, 2025.
To ensure you get the cheapest price possible for a flight from St. Louis to Gilbert, you should look to book at least 69 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from St. Louis to Gilbert?
Currently, October is the cheapest month in which you can book a flight from St. Louis to Gilbert (average of $107). Flying from St. Louis to Gilbert in June is currently the most expensive (average of $235). 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 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 December 12, 2025.
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 44% on your trip compared to booking a flight at noon.
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 December 16, 2024.
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 evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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 December 12, 2025.
The most flights from STL to G1L are scheduled on a Thursday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).
Reviews of airlines servicing 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 December 12, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United 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.
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Thomas,Dec 2025
SEA - DEN
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Thomas,Dec 2025
SEA - DEN
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Thomas,Dec 2025
SEA - DEN
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Thomas,Dec 2025
SEA - DEN
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Thomas,Dec 2025
SEA - DEN
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Thomas,Dec 2025
SEA - DEN
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
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from St. Louis to Gilbert
Discover the top 6 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 December 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$94 | Average$200 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$158 | Average$200 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$210 | Average$390 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$225 | Average$406 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$230 | Average$374 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$236 | Average$355 | FlexibilityNo cancel fee | On-timeN/A |