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Gilbert

$109+ 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PHX
mar. 31 — abr. 71
lun. 3/31
lun. 4/7
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Gilbert are usually found in May or July, booked 14 days in advance, depart on a Wednesday or Saturday and return on a Wednesday

Cheap 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 marzo 26, 2025.

Round-trip from

$278
(Frontier)

One-way from

$109
(Trip.com)

Popular in

March

Cheapest in

May

Average price

$481
From Lambert-St Louis to Gilbert
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One-way flight from Lambert-St Louis to Gilbert
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($84 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from St. Louis to Gilbert

Cheapest flights from St. Louis to Gilbert
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 marzo 26, 2025.

This Frontier deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/116:51 pmSTL - PHX
1 stop7h 06mFrontier
dom. 4/139:00 pmPHX - STL
1 stop10h 06mFrontier
Deal found 3/25$278
This Booking.com deal was found by Cheapflights users on 3/24. 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.
dom. 4/66:35 amSTL - PHX
1 stop12h 54mMultiple Airlines
dom. 4/611:59 pmPHX - STL
1 stop21h 47mMultiple Airlines
Deal found 3/24$279
This Delta deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/66:00 amSTL - PHX
1 stop8h 42mDelta
sáb. 5/101:25 pmPHX - STL
1 stop6h 07mDelta
Deal found 3/26$339
This Southwest deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/225:45 amSTL - PHX
Nonstop3h 20mSouthwest
mar. 4/296:30 amPHX - STL
Nonstop2h 55mSouthwest
Deal found 3/25$359
This American Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/176:20 pmSTL - PHX
Nonstop3h 28mAmerican Airlines
lun. 4/211:04 amPHX - STL
1 stop6h 18mAmerican Airlines
Deal found 3/25$369
This Alaska Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/226:30 amSTL - PHX
2 stops14h 49mAlaska Airlines
mar. 4/296:00 amPHX - STL
1 stop15h 59mAlaska Airlines
Deal found 3/25$376
This Hawaiian Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/123:17 pmSTL - PHX
1 stop10h 38mHawaiian Airlines
mar. 9/1612:04 pmPHX - STL
1 stop9h 55mHawaiian Airlines
Deal found 3/25$425
This United deal was found by Cheapflights users on 3/24. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/47:00 amSTL - PHX
1 stop8h 01mUnited Airlines
sáb. 5/109:53 amPHX - STL
2 stops10h 10mUnited Airlines
Deal found 3/24$430
This Mytrip deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/176:10 pmSTL - PHX
2 stops21h 18mSpirit Airlines
sáb. 4/195:46 pmPHX - STL
3 stops21h 29mSpirit Airlines
Deal found 3/25$491

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 marzo 26, 2025.
Use the filters below to find and compare flights from St. Louis to Gilbert that are best for you.

Fly from

St. Louis

Fly to

Gilbert

Route

Depart

Return

Price

St. LouisPhoenix

STL - PHX

STLPHX

Lambert-St Louis

vie. 4/11

6:51 pm-11:57 pm

1 stop7h 06m

Phoenix Sky Harbor Intl

dom. 4/13

9:00 pm-9:06 am

1 stop10h 06m

$278

St. LouisPhoenix

STL - PHX

STLPHX

Lambert-St Louis

dom. 4/6

6:35 am-5:29 pm

1 stop12h 54m

Phoenix Sky Harbor Intl

dom. 4/6

11:59 pm-11:46 pm

1 stop21h 47m

$279

St. LouisPhoenix

STL - PHX

STLPHX

Lambert-St Louis

mar. 5/6

6:00 am-12:42 pm

1 stop8h 42m

Phoenix Sky Harbor Intl

sáb. 5/10

1:25 pm-9:32 pm

1 stop6h 07m

$339

St. LouisPhoenix

STL - PHX

STLPHX

Lambert-St Louis

mar. 4/22

8:30 am-9:50 am

Nonstop3h 20m

Phoenix Sky Harbor Intl

mar. 4/29

6:40 pm-11:35 pm

Nonstop2h 55m

$359

St. LouisPhoenix

STL - PHX

STLPHX

Lambert-St Louis

jue. 4/17

6:20 pm-7:48 pm

Nonstop3h 28m

Phoenix Sky Harbor Intl

lun. 4/21

1:04 am-9:22 am

1 stop6h 18m

$369

St. LouisPhoenix

STL - PHX

STLPHX

Lambert-St Louis

mar. 4/22

6:30 am-7:19 pm

2 stops14h 49m

Phoenix Sky Harbor Intl

mar. 4/29

6:00 am-11:59 pm

1 stop15h 59m

$376

St. LouisPhoenix

STL - PHX

STLPHX

Lambert-St Louis

vie. 9/12

3:17 pm-11:55 pm

1 stop10h 38m

Phoenix Sky Harbor Intl

mar. 9/16

12:04 pm-11:59 pm

1 stop9h 55m

$425

St. LouisPhoenix

STL - PHX

STLPHX

Lambert-St Louis

dom. 5/4

7:00 am-1:01 pm

1 stop8h 01m

Phoenix Sky Harbor Intl

sáb. 5/10

9:53 am-10:03 pm

2 stops10h 10m

$430

St. LouisPhoenix

STL - PHX

STLPHX

Lambert-St Louis

jue. 4/17

6:10 pm-1:28 pm

2 stops21h 18m

Phoenix Sky Harbor Intl

sáb. 4/19

5:46 pm-5:15 pm

3 stops21h 29m

$491

St. LouisPhoenix

STL - PHX

STLPHX

Lambert-St Louis

dom. 5/4

9:55 pm-6:45 am

1 stop10h 50m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 18 results
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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.
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

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 March 21, 2025.

To ensure you get the cheapest price possible for a flight from St. Louis to Gilbert, you should look to book at least 14 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, January is the cheapest month in which you can book a flight from St. Louis to Gilbert (average of $258). Flying from St. Louis to Gilbert in March is currently the most expensive (average of $337). 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 marzo 26, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from St. Louis to Gilbert as you normally would.

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 Wednesday 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.

Rainfall in Gilbert by month

Plan your trip to Gilbert by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Gilbert ranges from 0.0 - 1.1 inches per month. July is typically the wettest month, when rainfall can reach 1.1 in. June is typically the driest time to visit Gilbert when rainfall is around 0.0 in.

Temperature in Gilbert by month

Plan your trip to Gilbert by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Gilbert, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 95.0 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 55.4 F).

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 marzo 26, 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines and Delta from St. Louis to Gilbert by reading reviews from past customers. 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.
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.6

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.6

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,789 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.6

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,891 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.6

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,608 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.6

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.6

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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.

  • What airport do you fly from for flights from St. Louis to Gilbert?

    For a flight from St. Louis to Gilbert, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city. Lambert-St Louis is the only St. Louis airport and it handles 7 outbound flights to Gilbert per day. 5 airlines have flights to Gilbert from Lambert-St Louis on a regular basis.

  • What are the cheapest airlines to fly from St. Louis to Gilbert one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $109. Sun Country Air flights start at $123 while deals on Spirit Airlines start at $144 one-way.

  • What are the most reliable airlines from St. Louis to Gilbert?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from St. Louis to Gilbert on time: Southwest (86%), American Airlines (84%), Alaska Airlines (84%).

  • What are the cheapest flights from St. Louis to Gilbert?

    On average you can expect to pay $709 for a flight from St. Louis to Gilbert. The cheapest flight overall is $88 while the most popular route, (Lambert-St Louis - Phoenix Sky Harbor Intl) is currently priced at $279.

  • Can I find deals for flights from St. Louis to Gilbert that include hotel bookings?

    Yes. In addition to deals on St. Louis to Gilbert flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Gilbert?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Gilbert.

  • Can I find deals for business class flights from St. Louis to Gilbert?

    Yes. Cheapflights offers flight deals from St. Louis to Gilbert by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Gilbert?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Gilbert (average of $258). Flying from St. Louis to Gilbert in March is currently the most expensive (average of $337). 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.

See more FAQs

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Top 5 airlines flying from St. Louis to Gilbert

Discover the top 5 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 marzo 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$78Average$146FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$131Average$357FlexibilityNo cancel feeOn-time71%
DeltaCheapest$197Average$276FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$226Average$416FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$292Average$421FlexibilityNo cancel feeOn-time63%
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