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Guanajuato

$500+ Cheap flights from St. Louis (STL) to Guanajuato, Mexico, Mexico

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BJX
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap 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 December 4, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/3. 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 12/186:00 amSTL - BJX
2 stops25h 16mMultiple Airlines
Wed 1/710:15 amBJX - STL
1 stop28h 27mMultiple Airlines
Deal found 12/3$783
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 12/173:30 pmSTL - BJX
2 stops49h 00mMultiple Airlines
Sun 12/286:56 amBJX - STL
1 stop7h 51mMultiple Airlines
Deal found 12/3$800
This Booking.com deal was found by Cheapflights users on 12/2. 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.
Wed 12/173:30 pmSTL - BJX
2 stops26h 25mFrontier
Sun 12/288:44 pmBJX - STL
2 stops36h 56mFrontier
Deal found 12/2$863
This American Airlines deal was found by Cheapflights users on 12/2. 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.
Wed 12/175:30 pmSTL - BJX
1 stop5h 52mAmerican Airlines
Sun 12/288:29 amBJX - STL
1 stop10h 53mAmerican Airlines
Deal found 12/2$1,188
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 12/2610:40 amSTL - BJX
2 stops20h 36mMultiple Airlines
Sat 1/310:15 amBJX - STL
1 stop28h 32mMultiple Airlines
Deal found 12/3$1,322
This American Airlines deal was found by Cheapflights users on 12/3. 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.
Fri 12/266:44 pmSTL - BJX
1 stop16h 29mAmerican Airlines
Sat 1/33:52 pmBJX - STL
1 stop17h 04mAmerican Airlines
Deal found 12/3$1,350
This United Airlines deal was found by Cheapflights users on 12/3. 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.
Fri 12/263:10 pmSTL - BJX
2 stops23h 33mUnited Airlines
Sat 1/35:55 amBJX - STL
2 stops16h 27mUnited Airlines
Deal found 12/3$1,358

Find 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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$500
(American Airlines)

Popular in

October

Cheapest in

August

Average price

$783
Provider with most accurate pricing for Lambert-St Louis-León Del Bajio flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-León Del Bajio flights.
Search Deals
From Lambert-St Louis to Guanajuato
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($69 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 4, 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 1/23

11:55 am-11:56 pm

1 stop12h 01m

León Del Bajio

Mon 1/26

4:14 pm-11:03 am

1 stop18h 49m

$500

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Mon 1/26

6:00 am-4:14 pm

2 stops10h 14m

León Del Bajio

Wed 1/28

5:50 am-8:37 pm

2 stops14h 47m

$532

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Wed 1/14

5:04 pm-11:56 pm

1 stop6h 52m

León Del Bajio

Wed 1/21

12:45 pm-10:59 pm

1 stop10h 14m

$534

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

11:56 am-8:37 pm

2 stops8h 41m

$536

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

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 $590). 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 December 4, 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 December 4, 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
11,047 reviews

Comfort

7.2

Overall

7.2

Crew

8.0

Boarding

7.5

Food

6.5

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Cameron,Nov 2025

PDX - LHR

The plane was very old...had no WiFi available. The crew were not friendly nor helpful.
American Airlines
7.2
Good
11,047 reviews
American Airlines
7.2
Good
11,047 reviews

Comfort

7.2

Overall

7.2

Crew

8.0

Boarding

7.5

Food

6.5

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Cameron,Nov 2025

PDX - LHR

The plane was very old...had no WiFi available. The crew were not friendly nor helpful.

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 10h 14m. 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 $590). 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 Santiago de Querétaro flights
St. Louis to León 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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$469Average$692FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$501Average$747FlexibilityNo cancel feeOn-time69%

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