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Guanajuato

$529+ 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BJX
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
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 January 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$529
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$618
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
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Highest demand for flights based on searches. 16% potential increase in price ($130 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 8, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/5. 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 1/306:00 amSTL - BJX
1 stop10h 20mMultiple Airlines
Tue 2/36:15 amBJX - STL
2 stops32h 31mMultiple Airlines
Deal found 1/5$529
This Aeromexico deal was found by Cheapflights users on 1/6. 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.
Thu 4/3011:43 amSTL - BJX
2 stops10h 56mAeromexico
Mon 5/48:10 pmBJX - STL
2 stops20h 44mAeromexico
Deal found 1/6$535
This American Airlines deal was found by Cheapflights users on 1/5. 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 2/204:13 pmSTL - BJX
1 stop5h 57mAmerican Airlines
Fri 2/279:25 amBJX - STL
1 stop13h 33mAmerican Airlines
Deal found 1/5$537
This American Airlines deal was found by Cheapflights users on 1/7. 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 4/309:37 amSTL - BJX
1 stop11h 22mAmerican Airlines
Mon 5/46:03 amBJX - STL
1 stop25h 54mAmerican Airlines
Deal found 1/7$565
This American Airlines deal was found by Cheapflights users on 1/5. 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 1/306:00 amSTL - BJX
1 stop9h 11mAmerican Airlines
Tue 2/36:00 amBJX - STL
1 stop13h 29mAmerican Airlines
Deal found 1/5$574
This Delta deal was found by Cheapflights users on 1/5. 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 2/206:00 amSTL - BJX
2 stops9h 23mDelta
Fri 2/2712:19 pmBJX - STL
2 stops11h 04mDelta
Deal found 1/5$579
This United Airlines deal was found by Cheapflights users on 1/5. 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 1/307:00 amSTL - BJX
2 stops11h 44mUnited Airlines
Tue 2/35:55 amBJX - STL
1 stop9h 57mUnited Airlines
Deal found 1/5$594
This Delta deal was found by Cheapflights users on 1/6. 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.
Wed 1/147:10 amSTL - BJX
1 stop9h 22mDelta
Wed 1/217:54 amBJX - STL
2 stops12h 43mDelta
Deal found 1/6$609
This Delta deal was found by Cheapflights users on 1/5. 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 1/306:10 amSTL - BJX
2 stops14h 41mDelta
Tue 2/311:41 amBJX - STL
2 stops11h 56mDelta
Deal found 1/5$629
This Aeromexico deal was found by Cheapflights users on 1/5. 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 2/236:00 amSTL - BJX
1 stop10h 21mAeromexico
Fri 2/279:56 amBJX - STL
1 stop7h 46mAeromexico
Deal found 1/5$649

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 January 8, 2026.
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 1/30

6:00 am-4:20 pm

1 stop10h 20m

León Del Bajio

Tue 2/3

6:15 am-2:46 pm

2 stops32h 31m

$529

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Thu 4/30

11:43 am-9:39 pm

2 stops10h 56m

León Del Bajio

Mon 5/4

8:10 pm-5:54 pm

2 stops20h 44m

$535

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Fri 2/20

4:13 pm-10:10 pm

1 stop5h 57m

León Del Bajio

Fri 2/27

9:25 am-10:58 pm

1 stop13h 33m

$537

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Thu 4/30

7:12 am-7:59 pm

1 stop13h 47m

León Del Bajio

Mon 5/4

6:03 am-8:57 am

1 stop25h 54m

$565

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Fri 2/20

6:00 am-3:23 pm

2 stops9h 23m

León Del Bajio

Fri 2/27

12:19 pm-11:23 pm

2 stops11h 04m

$579

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Fri 2/20

7:10 am-4:21 pm

1 stop9h 11m

León Del Bajio

Fri 2/27

7:52 am-11:36 pm

2 stops15h 44m

$579

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Fri 1/30

7:00 am-6:44 pm

2 stops11h 44m

León Del Bajio

Tue 2/3

5:55 am-3:52 pm

1 stop9h 57m

$594

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Thu 4/30

1:11 pm-6:32 pm

1 stop6h 21m

León Del Bajio

Mon 5/4

7:25 am-11:33 pm

2 stops15h 08m

$609

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Fri 1/30

6:10 am-8:51 pm

2 stops14h 41m

León Del Bajio

Tue 2/3

11:41 am-11:37 pm

2 stops11h 56m

$629

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Mon 2/23

6:00 am-7:19 pm

2 stops13h 19m

León Del Bajio

Fri 2/27

5:59 am-5:42 pm

2 stops11h 43m

$649

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/5

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 June is currently the most expensive (average of $684). 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.

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 January 8, 2026.
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
11,094 reviews

Comfort

7.2

Entertainment

6.9

Food

6.4

Boarding

7.5

Crew

8.0

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
American Airlines
7.2
Good
11,094 reviews
American Airlines
7.2
Good
11,094 reviews

Comfort

7.2

Entertainment

6.9

Food

6.4

Boarding

7.5

Crew

8.0

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

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 5h 57m. 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 June is currently the most expensive (average of $684). 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 Santiago de Querétaro flights
Kansas City to León 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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$469Average$682FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$552Average$662FlexibilityNo cancel feeOn-time69%

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