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Guanajuato

$216+ Cheap flights from St. Louis (STL) to Guanajuato, Mexico, Mexico

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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BJX
Nov 19 — Nov 261
Wed 11/19
Wed 11/26
1 adult, Economy
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Find flight deals from St. Louis to Guanajuato

Cheapest flights from St. Louis to Guanajuato
Explore the most affordable flight options available from St. Louis to Guanajuato. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/19. 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 11/1110:17 amSTL - BJX
1 stop29h 53mMultiple Airlines
Tue 11/186:10 amBJX - STL
2 stops26h 57mMultiple Airlines
Deal found 10/19$529
This United Airlines deal was found by Cheapflights users on 10/19. 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.
Tue 11/1111:20 amSTL - BJX
1 stop7h 24mUnited Airlines
Tue 11/185:55 amBJX - STL
1 stop9h 55mUnited Airlines
Deal found 10/19$562
This Frontier deal was found by Cheapflights users on 10/19. 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 10/306:22 pmSTL - BJX
2 stops16h 14mFrontier
Wed 11/56:56 amBJX - STL
1 stop11h 04mFrontier
Deal found 10/19$759
This United Airlines deal was found by Cheapflights users on 10/18. 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.
Thu 10/309:00 amSTL - BJX
2 stops26h 54mUnited Airlines
Wed 11/55:55 amBJX - STL
2 stops15h 59mUnited Airlines
Deal found 10/18$878
This American Airlines deal was found by Cheapflights users on 10/20. 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.
Thu 10/305:11 amSTL - BJX
1 stop5h 34mAmerican Airlines
Wed 11/54:07 pmBJX - STL
1 stop6h 51mAmerican Airlines
Deal found 10/20$924

Cheap flight deals from St. Louis to Guanajuato

Keep the following information in mind while searching for St. Louis to Guanajuato flight deals. Data was last updated October 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$525
(Delta)

One-way from

$216
(Kiwi.com)

Popular in

October

Cheapest in

August

Average price

$885
Provider with most accurate pricing for Lambert-St Louis-León Del Bajio flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-León Del Bajio flights.
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From Lambert-St Louis to Guanajuato
Search Deals
One-way flight from Lambert-St Louis to Guanajuato
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Guanajuato 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 October 20, 2025.
Use the filters below to find and compare flights from St. Louis to Guanajuato that are best for you.

Fly from

St. Louis

Fly to

Guanajuato

Route

Depart

Return

Price

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Wed 1/14

10:00 am-4:47 pm

1 stop6h 47m

León Del Bajio

Wed 1/21

11:24 am-11:40 pm

2 stops12h 16m

$525

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Wed 1/14

7:30 am-8:14 am

2 stops24h 44m

León Del Bajio

Wed 1/21

7:49 am-11:40 pm

2 stops15h 51m

$525

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Thu 1/1

11:41 am-11:53 pm

1 stop12h 12m

León Del Bajio

Sat 1/31

12:45 pm-10:59 pm

1 stop10h 14m

$545

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Thu 1/1

6:00 am-11:54 am

1 stop5h 54m

León Del Bajio

Sat 1/31

3:50 pm-10:00 pm

1 stop6h 10m

$545

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Tue 11/11

11:20 am-6:44 pm

1 stop7h 24m

León Del Bajio

Tue 11/18

5:55 am-3:50 pm

1 stop9h 55m

$562

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Sat 12/6

7:43 pm-9:25 am

3 stops37h 42m

$216

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Sat 12/6

6:00 am-4:26 pm

1 stop10h 26m

$218

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Mon 12/1

7:03 pm-1:05 pm

2 stops42h 02m

$245

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Sat 11/22

6:15 am-4:26 pm

1 stop10h 11m

$298

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Mon 12/1

6:15 am-4:26 pm

1 stop10h 11m

$302

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/17

Showing 1-10 of 11 results
1
2

Best time to book a flight from St. Louis to Guanajuato

Have a flexible travel schedule? Discover the best time to fly to Guanajuato 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 Guanajuato

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

Currently, May is the cheapest month in which you can book a flight from St. Louis to Guanajuato (average of $473). Flying from St. Louis to Guanajuato in December is currently the most expensive (average of $579). 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 GJ9?

Find hourly flight availability from St. Louis to Guanajuato. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 20, 2025.

It’s typically best to fly out from St. Louis to Guanajuato in the evening. Doing so could potentially save you 22% on the flight price compared to flying at noon, which is usually more expensive.

Reviews of airlines servicing Guanajuato

Get insights into the airlines that provide service to Guanajuato. 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 Guanajuato. Reviews last updated October 20, 2025.
Read through reviews of airlines operating flights from St. Louis to Guanajuato, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,026 reviews

Food

6.4

Overall

7.2

Boarding

7.5

Entertainment

6.9

Comfort

7.2

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
11,026 reviews
American Airlines
7.2
Good
11,026 reviews

Food

6.4

Overall

7.2

Boarding

7.5

Entertainment

6.9

Comfort

7.2

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Guanajuato. 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 Guanajuato?

    Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to Guanajuato. You should not have trouble finding flights to Guanajuato from Lambert-St Louis; the airport handles an average of 0 outbound flights to Guanajuato per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the St. Louis airport to Guanajuato. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.

  • How long is the flight from St. Louis to Guanajuato?

    Departing from St. Louis to Guanajuato will take you 6h 47m. St. Louis and Guanajuato are separated by a distance of 1392 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Guanajuato 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 Guanajuato?

    Currently, May is the cheapest month in which you can book a flight from St. Louis to Guanajuato (average of $473). Flying from St. Louis to Guanajuato in December is currently the most expensive (average of $579). 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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Alternative routes for St. Louis to Guanajuato

See prices for flight routes from nearby airports that may be better suited for you.
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St. Louis to León flights
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Top 2 airlines flying from St. Louis to Guanajuato

Discover the top 2 airlines that operate flights from St. Louis to Guanajuato. 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 October 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$469Average$691FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$501Average$832FlexibilityNo cancel feeOn-time69%

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