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Guanajuato

$293+ 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 11/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BJX
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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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 September 14, 2025.

Round-trip from

$453
(Kiwi.com)

One-way from

$293
(Kiwi.com)

Popular in

October

Cheapest in

May

Average price

$530
From Lambert-St Louis to Guanajuato
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One-way flight from Lambert-St Louis to Guanajuato
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/12. 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 10/2710:18 amSTL - BJX
2 stops8h 53mMultiple Airlines
Mon 11/310:36 amBJX - STL
1 stop7h 24mMultiple Airlines
Deal found 9/12$453
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Mon 11/35:58 pmSTL - BJX
1 stop21h 19mAmerican Airlines
Tue 3/36:09 amBJX - STL
1 stop12h 10mAmerican Airlines
Deal found 9/12$486
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 12/146:00 amSTL - BJX
2 stops31h 05mMultiple Airlines
Fri 1/97:01 amBJX - STL
1 stop8h 25mMultiple Airlines
Deal found 9/13$490
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Sat 11/15:09 pmSTL - BJX
1 stop23h 03mAmerican Airlines
Tue 3/36:09 amBJX - STL
1 stop9h 57mAmerican Airlines
Deal found 9/12$506
This Aeromexico deal was found by Cheapflights users on 9/12. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/37:05 amSTL - BJX
1 stop9h 19mAeromexico
Tue 3/36:30 pmBJX - STL
2 stops29h 10mAeromexico
Deal found 9/12$524
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 9/2410:21 amSTL - BJX
1 stop25h 13mMultiple Airlines
Thu 10/27:45 pmBJX - STL
2 stops45h 25mMultiple Airlines
Deal found 9/13$539
This Aeromexico deal was found by Cheapflights users on 9/12. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/25:00 amSTL - BJX
1 stop10h 54mAeromexico
Tue 3/35:50 amBJX - STL
2 stops17h 50mAeromexico
Deal found 9/12$544
This Delta deal was found by Cheapflights users on 9/13. 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.
Fri 11/141:55 pmSTL - BJX
2 stops9h 23mDelta
Mon 11/1711:29 amBJX - STL
2 stops12h 11mDelta
Deal found 9/13$546
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 9/1210:21 amSTL - BJX
1 stop26h 14mMultiple Airlines
Sun 9/146:45 pmBJX - STL
2 stops46h 25mMultiple Airlines
Deal found 9/12$626

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 September 14, 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

Mon 11/3

5:58 pm-3:17 pm

1 stop21h 19m

León Del Bajio

Tue 3/3

6:09 am-6:19 pm

1 stop12h 10m

$486

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Sun 12/14

6:00 am-1:05 pm

2 stops31h 05m

León Del Bajio

Fri 1/9

7:01 am-3:26 pm

1 stop8h 25m

$490

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Mon 10/27

10:18 am-11:20 pm

1 stop14h 02m

León Del Bajio

Mon 11/3

10:36 am-6:00 pm

1 stop7h 24m

$493

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Sat 11/1

5:09 pm-3:12 pm

1 stop23h 03m

León Del Bajio

Tue 3/3

6:09 am-4:06 pm

1 stop9h 57m

$506

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Mon 11/3

7:05 am-4:24 pm

1 stop9h 19m

León Del Bajio

Tue 3/3

6:30 pm-11:40 pm

2 stops29h 10m

$524

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Wed 9/24

10:21 am-10:34 am

1 stop25h 13m

León Del Bajio

Thu 10/2

7:45 pm-6:10 pm

2 stops45h 25m

$539

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Sun 11/2

7:05 am-4:54 pm

1 stop9h 49m

León Del Bajio

Wed 3/4

11:24 am-8:39 pm

2 stops9h 15m

$544

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Sun 11/2

5:00 am-3:54 pm

1 stop10h 54m

León Del Bajio

Tue 3/3

5:50 am-11:40 pm

2 stops17h 50m

$544

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Fri 11/14

1:55 pm-11:18 pm

2 stops9h 23m

León Del Bajio

Mon 11/17

11:29 am-11:40 pm

2 stops12h 11m

$546

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Fri 11/14

9:38 am-11:34 pm

1 stop13h 56m

León Del Bajio

Mon 11/17

12:04 pm-7:30 pm

1 stop7h 26m

$546

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 13 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, January is the cheapest month in which you can book a flight from St. Louis to Guanajuato (average of $355). Flying from St. Louis to Guanajuato in December is currently the most expensive (average of $733). 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 September 14, 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 Guanajuato as you normally would.

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 September 14, 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
10,000 reviews

Overall

7.2

Crew

8.0

Boarding

7.5

Food

6.4

Comfort

7.2

Entertainment

6.9

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
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Crew

8.0

Boarding

7.5

Food

6.4

Comfort

7.2

Entertainment

6.9

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 9h 19m. 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, January is the cheapest month in which you can book a flight from St. Louis to Guanajuato (average of $355). Flying from St. Louis to Guanajuato in December is currently the most expensive (average of $733). 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.
St. Louis to León flights
Kansas City to León flights
St. Louis to Santiago de Querétaro flights

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 September 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$469Average$622FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$478Average$723FlexibilityNo cancel feeOn-time69%

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