$236+ 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 6/19. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BJX
Jul 8 — Jul 151
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 June 8, 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 June 8, 2026.
This Aeromexico deal was found by Cheapflights users on 6/3. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:00 am
STL
- BJX
2 stops9h 22m
Aeromexico
Mon 8/318:12 am
BJX
- STL
2 stops14h 46m
Aeromexico
Deal found 6/3![Aeromexico logo]()
$540
This Delta deal was found by Cheapflights users on 6/6. 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 9/236:25 am
STL
- BJX
2 stops9h 57m
Delta
Sat 9/268:12 am
BJX
- STL
2 stops14h 24m
Delta
Deal found 6/6![Delta logo]()
$570
This Delta deal was found by Cheapflights users on 6/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:00 am
STL
- BJX
2 stops13h 02m
Delta
Wed 8/198:02 am
BJX
- STL
2 stops14h 19m
Delta
Deal found 6/7![Delta logo]()
$585
This American Airlines deal was found by Cheapflights users on 6/4. 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.
Thu 7/167:07 am
STL
- BJX
1 stop15h 37m
American Airlines
Sat 7/255:32 pm
BJX
- STL
1 stop14h 14m
American Airlines
Deal found 6/4![American Airlines logo]()
$631
This United Airlines deal was found by Cheapflights users on 6/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:14 am
STL
- BJX
1 stop5h 37m
United Airlines
Sat 8/12:50 pm
BJX
- STL
1 stop6h 55m
United Airlines
Deal found 6/6![United Airlines logo]()
$645
This United Airlines deal was found by Cheapflights users on 6/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3111:15 am
STL
- BJX
1 stop9h 16m
United Airlines
Wed 9/25:00 am
BJX
- STL
2 stops14h 46m
United Airlines
Deal found 6/6![United Airlines logo]()
$664
This United Airlines deal was found by Cheapflights users on 6/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/57:00 am
STL
- BJX
1 stop7h 43m
United Airlines
Sun 7/125:00 am
BJX
- STL
1 stop8h 16m
United Airlines
Deal found 6/7![United Airlines logo]()
$672
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 June 8, 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 June 8, 2026.
This Aeromexico deal was found by Cheapflights users on 6/3. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:00 am
STL
- BJX
2 stops18h 12m
Aeromexico
Mon 8/319:00 am
BJX
- STL
1 stop7h 53m
Aeromexico
Deal found 6/3![Aeromexico logo]()
$540
This Delta deal was found by Cheapflights users on 6/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:00 am
STL
- BJX
2 stops13h 02m
Delta
Wed 8/198:02 am
BJX
- STL
2 stops14h 19m
Delta
Deal found 6/7![Delta logo]()
$585
This American Airlines deal was found by Cheapflights users on 6/3. 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.
Thu 7/167:07 am
STL
- BJX
1 stop15h 37m
American Airlines
Sat 7/255:32 pm
BJX
- STL
1 stop14h 14m
American Airlines
Deal found 6/3![American Airlines logo]()
$631
This United Airlines deal was found by Cheapflights users on 6/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:14 am
STL
- BJX
1 stop5h 37m
United Airlines
Sat 8/12:50 pm
BJX
- STL
1 stop6h 55m
United Airlines
Deal found 6/6![United Airlines logo]()
$645
Last-minute flights from St. Louis to GuanajuatoDiscover last-minute flight deals from St. Louis to Guanajuato. Data last updated June 8, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Guanajuato. Data last updated June 8, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/197:04 am
STL
- BJX
1 stop15h 47m
American Airlines
Sun 6/216:20 am
BJX
- STL
1 stop11h 10m
American Airlines
Deal found 6/6![American Airlines logo]()
$737
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/236:30 am
STL
- BJX
1 stop10h 35m
Multiple Airlines
Thu 6/255:00 pm
BJX
- STL
2 stops29h 49m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$780
This United Airlines deal was found by Cheapflights users on 6/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/57:00 am
STL
- BJX
1 stop7h 43m
United Airlines
Sun 7/125:00 am
BJX
- STL
1 stop8h 16m
United Airlines
Deal found 6/7![United Airlines logo]()
$672
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
Sun 7/56:34 am
STL
- BJX
1 stop10h 50m
Multiple Airlines
Sun 7/128:00 pm
BJX
- STL
2 stops45h 05m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$733
This American Airlines deal was found by Cheapflights users on 6/4. 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.
Thu 7/167:07 am
STL
- BJX
1 stop15h 37m
American Airlines
Sat 7/255:32 pm
BJX
- STL
1 stop14h 14m
American Airlines
Deal found 6/4![American Airlines logo]()
$631
This United Airlines deal was found by Cheapflights users on 6/3. 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.
Thu 7/165:10 am
STL
- BJX
2 stops9h 33m
United Airlines
Sat 7/255:00 am
BJX
- STL
2 stops14h 43m
United Airlines
Deal found 6/3![United Airlines logo]()
$740
This United Airlines deal was found by Cheapflights users on 6/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:14 am
STL
- BJX
1 stop5h 37m
United Airlines
Sat 8/12:50 pm
BJX
- STL
1 stop6h 55m
United Airlines
Deal found 6/6![United Airlines logo]()
$645
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 June 8, 2026.
Search for one-way flight options from St. Louis to Guanajuato. Find affordable one-way fares based on user searches. Data last updated June 8, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 6/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/196:30 am
STL
- BJX
1 stop10h 54m
Volaris
Deal found 6/3![Volaris logo]()
$236
This American Airlines deal was found by Cheapflights users on 6/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/197:04 am
STL
- BJX
1 stop15h 47m
American Airlines
Deal found 6/6![American Airlines logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/178:08 pm
STL
- BJX
2 stops41h 36m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$392
This Delta deal was found by Cheapflights users on 6/6. 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 6/176:00 am
STL
- BJX
1 stop10h 23m
Delta
Deal found 6/6![Delta logo]()
$396
This eDestinos deal was found by Cheapflights users on 6/7. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/196:30 am
STL
- BJX
2 stops34h 40m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$407
This Aeromexico deal was found by Cheapflights users on 6/4. 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.
Fri 6/191:39 pm
STL
- BJX
2 stops19h 41m
Aeromexico
Deal found 6/4![Aeromexico logo]()
$422
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 June 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $540 (Aeromexico) |
One-way from | $236 (Cheapflightsfares) |
Popular in | December |
Cheapest in | September |
Average price | $684 |
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 June 8, 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 8/27
6:00 am-11:12 pm
2 stops18h 12m
León Del Bajio
Mon 8/31
9:00 am-5:53 pm
1 stop7h 53m
$540
St. LouisLeón
STL - BJX
STLBJX
Lambert-St Louis
Wed 8/12
6:00 am-6:02 pm
2 stops13h 02m
León Del Bajio
Wed 8/19
8:02 am-11:21 pm
2 stops14h 19m
$585
St. LouisLeón
STL - BJX
STLBJX
Lambert-St Louis
Thu 7/16
7:07 am-9:44 pm
1 stop15h 37m
León Del Bajio
Sat 7/25
5:32 pm-8:46 am
1 stop14h 14m
$631
Quickest round-trip
St. LouisLeón
STL - BJX
STLBJX
Lambert-St Louis
Wed 7/29
6:14 am-10:51 am
1 stop5h 37m
León Del Bajio
Sat 8/1
2:50 pm-10:45 pm
1 stop6h 55m
$645
Cheapest one-way
St. LouisLeón
STL - BJX
STLBJX
Lambert-St Louis
Fri 6/19
6:30 am-4:24 pm
1 stop10h 54m
$236
St. LouisLeón
STL - BJX
STLBJX
Lambert-St Louis
Fri 6/19
7:04 am-9:51 pm
1 stop15h 47m
$338
St. LouisLeón
STL - BJX
STLBJX
Lambert-St Louis
Wed 6/17
2:15 pm-4:10 pm
3 stops26h 55m
$393
Quickest one-way
St. LouisLeón
STL - BJX
STLBJX
Lambert-St Louis
Wed 6/17
6:00 am-3:23 pm
1 stop10h 23m
$396
St. LouisLeón
STL - BJX
STLBJX
Lambert-St Louis
Fri 6/19
6:30 am-12:10 pm
2 stops30h 40m
$407
St. LouisLeón
STL - BJX
STLBJX
Lambert-St Louis
Fri 6/19
1:39 pm-8:20 am
2 stops19h 41m
$422
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 June 8, 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.
Overall
7.4
Crew
8.1
Food
6.6
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Overall
7.4
Crew
8.1
Food
6.6
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Overall
7.4
Crew
8.1
Food
6.6
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
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 June 8, 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 June 8, 2026.
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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 June 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$489 | Average$746 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$501 | Average$723 | FlexibilityNo cancel fee | On-time69% |