$319+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BJX
Sep 6 — Sep 131
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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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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 August 7, 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 August 7, 2026.
This Justfly.com deal was found by Cheapflights users on 8/3. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:35 am -
2 stops18h 38m
Wed 11/1110:36 am -
1 stop29h 16m
Deal found 8/3![Frontier logo]()
$384
This American Airlines deal was found by Cheapflights users on 8/2. 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 9/237:00 am -
1 stop6h 13m
Fri 10/26:00 am -
1 stop12h 07m
Deal found 8/2![American Airlines logo]()
$559
This Kiwi.com deal was found by Cheapflights users on 8/5. 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.
Tue 9/15:27 pm -
2 stops30h 48m
Mon 9/75:27 pm -
1 stop22h 04m
Deal found 8/5![Multiple Airlines logo]()
$578
This Delta deal was found by Cheapflights users on 8/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:30 pm -
2 stops9h 36m
Fri 10/28:58 am -
1 stop10h 00m
Deal found 8/2![Delta logo]()
$589
This Delta deal was found by Cheapflights users on 8/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/210:25 am -
2 stops12h 52m
Thu 11/55:55 am -
2 stops10h 33m
Deal found 8/4![Delta logo]()
$618
This United Airlines deal was found by Cheapflights users on 8/3. 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.
Tue 9/16:15 am -
1 stop5h 36m
Mon 9/75:00 am -
1 stop12h 06m
Deal found 8/3![United Airlines logo]()
$631
This Aeromexico deal was found by Cheapflights users on 8/5. 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.
Wed 9/234:59 pm -
2 stops16h 16m
Fri 10/26:03 am -
2 stops10h 42m
Deal found 8/5![Aeromexico logo]()
$651
This Aeromexico deal was found by Cheapflights users on 8/4. 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.
Sat 11/282:31 pm -
2 stops19h 25m
Wed 1/275:55 am -
2 stops17h 44m
Deal found 8/4![Aeromexico logo]()
$660
This United Airlines deal was found by Cheapflights users on 8/5. 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.
Mon 10/53:12 pm -
1 stop5h 19m
Thu 10/85:00 am -
1 stop8h 10m
Deal found 8/5![United Airlines logo]()
$679
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 August 7, 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 August 7, 2026.
This Justfly.com deal was found by Cheapflights users on 8/3. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:35 am -
2 stops18h 38m
Wed 11/118:49 pm -
2 stops22h 26m
Deal found 8/3![Frontier logo]()
$457
This Delta deal was found by Cheapflights users on 8/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/210:25 am -
1 stop7h 45m
Thu 11/55:55 am -
2 stops10h 33m
Deal found 8/4![Delta logo]()
$559
This American Airlines deal was found by Cheapflights users on 8/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:05 pm -
1 stop15h 52m
Thu 11/56:05 am -
1 stop15h 54m
Deal found 8/4![American Airlines logo]()
$559
This Aeromexico deal was found by Cheapflights users on 8/6. 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.
Mon 10/56:00 am -
2 stops18h 08m
Thu 10/86:03 am -
2 stops16h 51m
Deal found 8/6![Aeromexico logo]()
$559
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Tue 9/15:27 pm -
2 stops30h 48m
Mon 9/75:27 pm -
1 stop22h 04m
Deal found 8/3![Multiple Airlines logo]()
$581
This United Airlines deal was found by Cheapflights users on 8/3. 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.
Tue 9/16:15 am -
1 stop5h 36m
Mon 9/75:00 am -
1 stop12h 06m
Deal found 8/3![United Airlines logo]()
$631
This American Airlines deal was found by Cheapflights users on 8/2. 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 9/237:00 am -
1 stop6h 13m
Fri 10/26:00 am -
1 stop12h 07m
Deal found 8/2![American Airlines logo]()
$559
This Aeromexico deal was found by Cheapflights users on 8/2. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:30 pm -
2 stops9h 36m
Fri 10/212:41 pm -
2 stops10h 01m
Deal found 8/2![Aeromexico logo]()
$589
This Delta deal was found by Cheapflights users on 8/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:30 pm -
2 stops9h 36m
Fri 10/28:58 am -
1 stop10h 00m
Deal found 8/2![Delta logo]()
$589
Last-minute flights from St. Louis to GuanajuatoDiscover last-minute flight deals from St. Louis to Guanajuato. Data last updated August 7, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Guanajuato. Data last updated August 7, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/5. 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.
Tue 9/15:27 pm -
2 stops30h 48m
Mon 9/75:27 pm -
1 stop22h 04m
Deal found 8/5![Multiple Airlines logo]()
$578
This United Airlines deal was found by Cheapflights users on 8/3. 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.
Tue 9/16:15 am -
1 stop5h 36m
Mon 9/75:00 am -
1 stop12h 06m
Deal found 8/3![United Airlines logo]()
$631
This American Airlines deal was found by Cheapflights users on 8/5. 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.
Tue 9/15:42 am -
1 stop5h 08m
Mon 9/74:53 pm -
1 stop15h 31m
Deal found 8/5![American Airlines logo]()
$706
This Aeromexico deal was found by Cheapflights users on 8/2. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:00 am -
1 stop12h 05m
Fri 9/189:00 am -
1 stop13h 42m
Deal found 8/2![Aeromexico logo]()
$771
This American Airlines deal was found by Cheapflights users on 8/2. 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 9/237:00 am -
1 stop6h 13m
Fri 10/26:00 am -
1 stop12h 07m
Deal found 8/2![American Airlines logo]()
$559
This Delta deal was found by Cheapflights users on 8/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:30 pm -
2 stops9h 36m
Fri 10/28:58 am -
1 stop10h 00m
Deal found 8/2![Delta logo]()
$589
This Aeromexico deal was found by Cheapflights users on 8/5. 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.
Wed 9/234:59 pm -
2 stops16h 16m
Fri 10/26:03 am -
2 stops10h 42m
Deal found 8/5![Aeromexico logo]()
$651
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 August 7, 2026.
Search for one-way flight options from St. Louis to Guanajuato. Find affordable one-way fares based on user searches. Data last updated August 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Tue 8/186:45 pm -
3 stops27h 35m
Deal found 8/3![Multiple Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 8/3. 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.
Tue 8/186:36 am -
1 stop10h 11m
Deal found 8/3![American Airlines logo]()
$406
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 August 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $384 (Justfly.com) |
One-way from | $319 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $615 |
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 August 7, 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 Lambert-St Louis - BJX León Del Bajio
STLBJX
Lambert-St Louis
Wed 11/4
10:35 am-5:13 am
2 stops18h 38m
León Del Bajio
Wed 11/11
8:49 pm-7:15 pm
2 stops22h 26m
$457
St. LouisLeón
STL Lambert-St Louis - BJX León Del Bajio
STLBJX
Lambert-St Louis
Mon 11/2
10:25 am-6:10 pm
1 stop7h 45m
León Del Bajio
Thu 11/5
5:55 am-4:28 pm
2 stops10h 33m
$559
St. LouisLeón
STL Lambert-St Louis - BJX León Del Bajio
STLBJX
Lambert-St Louis
Mon 11/2
7:05 pm-10:57 am
1 stop15h 52m
León Del Bajio
Thu 11/5
6:05 am-9:59 pm
1 stop15h 54m
$559
St. LouisLeón
STL Lambert-St Louis - BJX León Del Bajio
STLBJX
Lambert-St Louis
Mon 10/5
6:00 am-11:08 pm
2 stops18h 08m
León Del Bajio
Thu 10/8
6:03 am-11:54 pm
2 stops16h 51m
$559
St. LouisLeón
STL Lambert-St Louis - BJX León Del Bajio
STLBJX
Lambert-St Louis
Wed 9/23
7:00 am-12:13 pm
1 stop6h 13m
León Del Bajio
Fri 10/2
6:00 am-7:07 pm
1 stop12h 07m
$559
St. LouisLeón
STL Lambert-St Louis - BJX León Del Bajio
STLBJX
Lambert-St Louis
Tue 9/1
5:27 pm-11:15 pm
2 stops30h 48m
León Del Bajio
Mon 9/7
5:27 pm-4:31 pm
1 stop22h 04m
$581
St. LouisLeón
STL Lambert-St Louis - BJX León Del Bajio
STLBJX
Lambert-St Louis
Wed 9/23
2:30 pm-11:06 pm
2 stops9h 36m
León Del Bajio
Fri 10/2
12:41 pm-11:42 pm
2 stops10h 01m
$589
St. LouisLeón
STL Lambert-St Louis - BJX León Del Bajio
STLBJX
Lambert-St Louis
Wed 9/23
2:30 pm-11:06 pm
2 stops9h 36m
León Del Bajio
Fri 10/2
8:58 am-7:58 pm
1 stop10h 00m
$589
Quickest round-trip
St. LouisLeón
STL Lambert-St Louis - BJX León Del Bajio
STLBJX
Lambert-St Louis
Tue 9/1
6:15 am-10:51 am
1 stop5h 36m
León Del Bajio
Mon 9/7
5:00 am-6:06 pm
1 stop12h 06m
$631
Cheapest one-way
Quickest one-way
St. LouisLeón
STL Lambert-St Louis - BJX León Del Bajio
STLBJX
Lambert-St Louis
Tue 8/18
6:45 pm-9:20 pm
3 stops27h 35m
$319
Sorted 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
No data available for this route at this time. Please check back soon.
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 August 7, 2026.
Read through reviews of airlines operating flights from St. Louis to Guanajuato, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Overall
7.4
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Food
6.7
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Crew
8.1
Overall
7.4
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Food
6.7
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Crew
8.1
Overall
7.4
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Food
6.7
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
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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Find flights from St. Louis to Guanajuato, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Guanajuato flights
Browse other St. Louis and Guanajuato flight options. Last updated on August 7, 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 August 7, 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 August 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$489 | Average$750 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$501 | Average$706 | FlexibilityNo cancel fee | On-time69% |