$233+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BJX
Apr 9 — Apr 161
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Guanajuato with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Guanajuato
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Best
Last-minute
One-way
Cheapest flights from St. Louis to GuanajuatoExplore 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 March 10, 2026.
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 March 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/5. 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.
Sun 3/296:00 am
STL
- BJX
1 stop8h 06m
Multiple Airlines
Wed 4/15:30 pm
BJX
- STL
2 stops23h 04m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$536
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:00 am
STL
- BJX
1 stop7h 52m
Multiple Airlines
Wed 4/295:30 pm
BJX
- STL
2 stops24h 51m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$565
This Aeromexico deal was found by Cheapflights users on 3/4. 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 8/316:00 am
STL
- BJX
2 stops11h 29m
Aeromexico
Wed 9/25:55 am
BJX
- STL
2 stops13h 55m
Aeromexico
Deal found 3/4![Aeromexico logo]()
$578
This American Airlines deal was found by Cheapflights users on 3/7. 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.
Wed 4/227:12 am
STL
- BJX
1 stop6h 21m
American Airlines
Wed 4/296:01 am
BJX
- STL
1 stop8h 07m
American Airlines
Deal found 3/7![American Airlines logo]()
$590
This CheapOair deal was found by Cheapflights users on 3/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:29 pm
STL
- BJX
2 stops43h 23m
Frontier
Sun 4/510:44 am
BJX
- STL
1 stop27h 35m
Frontier
Deal found 3/9![Frontier logo]()
$593
This American Airlines deal was found by Cheapflights users on 3/5. 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.
Thu 4/307:12 am
STL
- BJX
1 stop13h 47m
American Airlines
Mon 5/46:01 am
BJX
- STL
1 stop10h 20m
American Airlines
Deal found 3/5![American Airlines logo]()
$598
This American Airlines deal was found by Cheapflights users on 3/8. 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 11/279:38 am
STL
- BJX
1 stop14h 02m
American Airlines
Wed 12/26:07 am
BJX
- STL
1 stop10h 29m
American Airlines
Deal found 3/8![American Airlines logo]()
$602
This American Airlines deal was found by Cheapflights users on 3/9. 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 10/237:22 am
STL
- BJX
1 stop15h 48m
American Airlines
Mon 10/265:09 am
BJX
- STL
1 stop12h 16m
American Airlines
Deal found 3/9![American Airlines logo]()
$622
This CheapOair deal was found by Cheapflights users on 3/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:21 am
STL
- BJX
2 stops50h 31m
Frontier
Mon 5/410:44 am
BJX
- STL
1 stop27h 31m
Frontier
Deal found 3/8![Frontier logo]()
$623
Best flights from St. Louis to GuanajuatoDiscover carefully curated flight deals from St. Louis to Guanajuato that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 10, 2026.
Discover carefully curated flight deals from St. Louis to Guanajuato that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 10, 2026.
This Aeromexico deal was found by Cheapflights users on 3/6. 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 4/309:59 am
STL
- BJX
1 stop9h 00m
Aeromexico
Mon 5/48:05 pm
BJX
- STL
2 stops24h 14m
Aeromexico
Deal found 3/6![Aeromexico logo]()
$578
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:00 am
STL
- BJX
1 stop7h 52m
Multiple Airlines
Wed 4/295:10 pm
BJX
- STL
3 stops36h 40m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$584
This American Airlines deal was found by Cheapflights users on 3/7. 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.
Wed 4/227:12 am
STL
- BJX
1 stop6h 21m
American Airlines
Wed 4/296:01 am
BJX
- STL
1 stop8h 07m
American Airlines
Deal found 3/7![American Airlines logo]()
$590
This CheapOair deal was found by Cheapflights users on 3/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:29 pm
STL
- BJX
2 stops43h 23m
Frontier
Sun 4/510:44 am
BJX
- STL
1 stop27h 35m
Frontier
Deal found 3/9![Frontier logo]()
$593
This CheapOair deal was found by Cheapflights users on 3/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:21 am
STL
- BJX
2 stops50h 31m
Frontier
Mon 5/410:44 am
BJX
- STL
1 stop27h 31m
Frontier
Deal found 3/9![Frontier logo]()
$593
This American Airlines deal was found by Cheapflights users on 3/5. 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.
Thu 4/307:12 am
STL
- BJX
1 stop13h 47m
American Airlines
Mon 5/46:01 am
BJX
- STL
1 stop10h 20m
American Airlines
Deal found 3/5![American Airlines logo]()
$598
This Aeromexico deal was found by Cheapflights users on 3/8. 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.
Sat 5/96:00 am
STL
- BJX
1 stop13h 04m
Aeromexico
Wed 5/1312:08 pm
BJX
- STL
2 stops10h 51m
Aeromexico
Deal found 3/8![Aeromexico logo]()
$598
This Kiwi.com deal was found by Cheapflights users on 3/5. 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.
Sun 3/296:00 am
STL
- BJX
1 stop8h 06m
Multiple Airlines
Wed 4/15:10 pm
BJX
- STL
3 stops23h 24m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$606
Last-minute flights from St. Louis to GuanajuatoDiscover last-minute flight deals from St. Louis to Guanajuato. Data last updated March 10, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Guanajuato. Data last updated March 10, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/5. 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.
Sun 3/296:00 am
STL
- BJX
1 stop8h 06m
Multiple Airlines
Wed 4/15:30 pm
BJX
- STL
2 stops23h 04m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$536
This CheapOair deal was found by Cheapflights users on 3/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:29 pm
STL
- BJX
2 stops43h 23m
Frontier
Sun 4/510:44 am
BJX
- STL
1 stop27h 35m
Frontier
Deal found 3/9![Frontier logo]()
$593
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:00 am
STL
- BJX
1 stop7h 52m
Multiple Airlines
Wed 4/295:30 pm
BJX
- STL
2 stops24h 51m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$565
This American Airlines deal was found by Cheapflights users on 3/7. 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.
Wed 4/227:12 am
STL
- BJX
1 stop6h 21m
American Airlines
Wed 4/296:01 am
BJX
- STL
1 stop8h 07m
American Airlines
Deal found 3/7![American Airlines logo]()
$590
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 4/238:06 pm
STL
- BJX
2 stops21h 15m
Multiple Airlines
Thu 4/3010:15 am
BJX
- STL
1 stop28h 04m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$538
This lastminute.com deal was found by Cheapflights users on 3/9. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/231:02 pm
STL
- BJX
2 stops11h 05m
Aeromexico
Thu 4/308:02 am
BJX
- STL
2 stops14h 34m
Aeromexico
Deal found 3/9![Aeromexico logo]()
$560
This Aeromexico deal was found by Cheapflights users on 3/5. 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.
Thu 4/307:25 am
STL
- BJX
2 stops16h 45m
Aeromexico
Mon 5/48:05 pm
BJX
- STL
2 stops24h 14m
Aeromexico
Deal found 3/5![Aeromexico logo]()
$578
This American Airlines deal was found by Cheapflights users on 3/5. 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.
Thu 4/307:12 am
STL
- BJX
1 stop13h 47m
American Airlines
Mon 5/46:01 am
BJX
- STL
1 stop10h 20m
American Airlines
Deal found 3/5![American Airlines logo]()
$598
One-way flights from St. Louis to GuanajuatoSearch for one-way flight options from St. Louis to Guanajuato. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
Search for one-way flight options from St. Louis to Guanajuato. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:40 pm
STL
- BJX
3 stops29h 35m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$233
This Frontier deal was found by Cheapflights users on 3/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/197:00 am
STL
- BJX
1 stop10h 24m
Frontier
Deal found 3/5![Frontier logo]()
$253
This United Airlines deal was found by Cheapflights users on 3/9. 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 6/197:22 am
STL
- BJX
2 stops28h 29m
United Airlines
Deal found 3/9![United Airlines logo]()
$378
This eDestinos deal was found by Cheapflights users on 3/9. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/197:00 am
STL
- BJX
3 stops23h 41m
Volaris
Deal found 3/9![Volaris logo]()
$440
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 March 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $536 (Kiwi.com) |
One-way from | $233 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $652 |
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 March 10, 2026.
Use the filters below to find and compare flights from St. Louis to Guanajuato that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisLeón
STL - BJX
STLBJX
Lambert-St Louis
Thu 4/30
9:59 am-5:59 pm
1 stop9h 00m
León Del Bajio
Mon 5/4
8:05 pm-9:19 pm
2 stops24h 14m
$578
St. LouisLeón
STL - BJX
STLBJX
Lambert-St Louis
Wed 4/22
6:00 am-12:52 pm
1 stop7h 52m
León Del Bajio
Wed 4/29
5:10 pm-6:50 am
3 stops36h 40m
$584
Quickest round-trip
St. LouisLeón
STL - BJX
STLBJX
Lambert-St Louis
Wed 4/22
7:12 am-12:33 pm
1 stop6h 21m
León Del Bajio
Wed 4/29
6:01 am-3:08 pm
1 stop8h 07m
$590
St. LouisLeón
STL - BJX
STLBJX
Lambert-St Louis
Thu 4/2
6:29 pm-12:52 pm
2 stops43h 23m
León Del Bajio
Sun 4/5
10:44 am-3:19 pm
1 stop27h 35m
$593
St. LouisLeón
STL - BJX
STLBJX
Lambert-St Louis
Thu 4/30
11:21 am-12:52 pm
2 stops50h 31m
León Del Bajio
Mon 5/4
10:44 am-3:15 pm
1 stop27h 31m
$593
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
6:01 am-5:21 pm
1 stop10h 20m
$598
St. LouisLeón
STL - BJX
STLBJX
Lambert-St Louis
Sat 5/9
6:00 am-6:04 pm
1 stop13h 04m
León Del Bajio
Wed 5/13
12:08 pm-11:59 pm
2 stops10h 51m
$598
St. LouisLeón
STL - BJX
STLBJX
Lambert-St Louis
Sun 3/29
6:00 am-1:06 pm
1 stop8h 06m
León Del Bajio
Wed 4/1
5:10 pm-5:34 pm
3 stops23h 24m
$606
Cheapest one-way
St. LouisLeón
STL - BJX
STLBJX
Lambert-St Louis
Mon 6/1
8:08 pm-11:15 pm
2 stops28h 07m
$248
Quickest one-way
St. LouisLeón
STL - BJX
STLBJX
Lambert-St Louis
Fri 6/19
7:00 am-4:24 pm
1 stop10h 24m
$253
Showing 1-10 of 12 resultsSorted by cheapest first
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.
STL-BJX
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
STL-GJ9
STL-BJX
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 October is currently the most expensive (average of $885). 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 March 10, 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.
Comfort
7.2
Boarding
7.5
Food
6.4
Entertainment
6.9
Overall
7.1
Crew
7.9
Reviews
1 / 20
2.0
MediocreAnonymous,Mar 2026
MIA - SFO
Comfort
7.2
Boarding
7.5
Food
6.4
Entertainment
6.9
Overall
7.1
Crew
7.9
Reviews
1 / 20
2.0
MediocreAnonymous,Mar 2026
MIA - SFO
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.
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Complete your trip
Complete your trip to Guanajuato by adding a car rental and/or hotel reservation to your travel itinerary.
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St. Louis and Guanajuato flights
Browse other St. Louis and Guanajuato flight options. Last updated on March 10, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on March 10, 2026.
Popular flight searches
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St. Louis to Guanajuato flights
Consider these flights traveling from St. Louis to Guanajuato.
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 March 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$469 | Average$723 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$501 | Average$734 | FlexibilityNo cancel fee | On-time69% |