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Guanajuato

$301+ 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 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BJX
Dec 14 — Dec 211
Sun 12/14
Sun 12/21
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 November 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/13. 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.
Mon 11/246:15 amSTL - BJX
1 stop30h 38mMultiple Airlines
Sat 1/246:15 amBJX - STL
2 stops17h 18mMultiple Airlines
Deal found 11/13$512
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 12/86:00 amSTL - BJX
1 stop30h 53mMultiple Airlines
Tue 1/66:59 pmBJX - STL
2 stops41h 13mMultiple Airlines
Deal found 11/12$531
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Thu 12/116:00 amSTL - BJX
1 stop10h 10mMultiple Airlines
Thu 12/188:00 pmBJX - STL
2 stops18h 47mMultiple Airlines
Deal found 11/12$543
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Tue 12/96:00 amSTL - BJX
1 stop30h 53mMultiple Airlines
Tue 1/66:59 pmBJX - STL
2 stops41h 13mMultiple Airlines
Deal found 11/12$565
This United Airlines deal was found by Cheapflights users on 11/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:01 amSTL - BJX
2 stops11h 43mUnited Airlines
Thu 11/2712:50 pmBJX - STL
1 stop7h 16mUnited Airlines
Deal found 11/11$598

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 November 14, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$449
(Kiwi.com)

One-way from

$301
(Kiwi.com)

Popular in

October

Cheapest in

August

Average price

$546
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).
Search Deals
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 November 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 November 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

Fri 1/9

7:43 pm-5:16 am

2 stops33h 33m

León Del Bajio

Wed 2/11

10:31 am-3:26 pm

1 stop28h 55m

$449

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Mon 11/24

6:15 am-12:53 pm

1 stop30h 38m

León Del Bajio

Sat 1/24

6:15 am-11:33 pm

2 stops17h 18m

$512

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Mon 12/8

6:00 am-12:53 pm

1 stop30h 53m

León Del Bajio

Tue 1/6

6:59 pm-12:12 pm

2 stops41h 13m

$531

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Mon 4/27

7:20 am-7:13 am

2 stops24h 53m

León Del Bajio

Mon 5/4

8:10 pm-11:38 pm

2 stops26h 28m

$532

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Wed 1/14

7:10 am-4:32 pm

1 stop9h 22m

León Del Bajio

Wed 1/21

7:54 am-8:39 pm

2 stops12h 45m

$532

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Fri 1/9

7:15 am-11:56 pm

1 stop16h 41m

León Del Bajio

Wed 2/11

12:45 pm-7:29 pm

1 stop6h 44m

$532

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Wed 4/29

11:51 am-6:32 pm

1 stop7h 41m

León Del Bajio

Mon 5/4

8:10 pm-11:38 pm

2 stops26h 28m

$532

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Tue 4/28

11:51 am-7:13 am

2 stops20h 22m

León Del Bajio

Mon 5/4

8:10 pm-11:38 pm

2 stops26h 28m

$532

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Sat 11/22

4:13 pm-9:20 pm

2 stops53h 07m

$301

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Sat 11/22

6:15 am-4:26 pm

1 stop10h 11m

$333

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/13

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 November 14, 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.

How much does it cost to fly round-trip from St. Louis to Guanajuato?

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 November 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
11,051 reviews

Food

6.4

Boarding

7.5

Comfort

7.2

Overall

7.2

Crew

8.0

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.
American Airlines
7.2
Good
11,051 reviews
American Airlines
7.2
Good
11,051 reviews

Food

6.4

Boarding

7.5

Comfort

7.2

Overall

7.2

Crew

8.0

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.

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 22m. 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.
Kansas City to León flights
St. Louis 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 November 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$469Average$718FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$501Average$832FlexibilityNo cancel feeOn-time69%

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