$155+ Cheap flights from St. Louis (STL) to San José (SJO)
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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from St. Louis to San José 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.Cheapflights Tip: The best prices from Lambert-St Louis to San José Juan Santamaria Intl are usually found in September or May, booked 90 days in advance, depart on a Tuesday or Sunday and return on a Tuesday
Cheap flight deals from St. Louis to San José
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to San José (SJO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated abril 17, 2025.
Most accurate provider | AranGrant 3 stars |
|---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $318 (Mytrip) |
One-way from | $155 (Delta) |
Popular in | December |
Cheapest in | September |
Average price | $593 |
Find flight deals from St. Louis to San José
Cheapest flights from St. Louis to San JoséExplore the most affordable flight options available from St. Louis to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 17, 2025.
Explore the most affordable flight options available from St. Louis to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 17, 2025.
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
This American Airlines deal was found by Cheapflights users on 4/16. 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.
This Delta deal was found by Cheapflights users on 4/16. 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.
This Air Canada deal was found by Cheapflights users on 4/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 4/17. 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.
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to San José 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 abril 17, 2025.
Use the filters below to find and compare flights from St. Louis to San José that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
St. LouisSan José
STL - SJO
STLSJO
Lambert-St Louis
lun. 5/12
5:45 pm-11:33 am
2 stops42h 48m
San José Juan Santamaria Intl
vie. 6/13
11:32 am-11:53 pm
1 stop11h 21m
St. LouisSan José
STL - SJO
STLSJO
Lambert-St Louis
mié. 5/7
5:13 am-6:35 pm
1 stop14h 22m
San José Juan Santamaria Intl
mié. 5/28
11:59 pm-8:59 am
1 stop8h 00m
St. LouisSan José
STL - SJO
STLSJO
Lambert-St Louis
jue. 6/5
7:30 am-10:50 pm
1 stop16h 20m
San José Juan Santamaria Intl
mié. 6/18
8:00 am-12:36 pm
1 stop27h 36m
St. LouisSan José
STL - SJO
STLSJO
Lambert-St Louis
lun. 6/2
5:55 pm-10:11 am
1 stop17h 16m
San José Juan Santamaria Intl
lun. 6/9
5:30 am-10:15 pm
1 stop15h 45m
St. LouisSan José
STL - SJO
STLSJO
Lambert-St Louis
sáb. 6/21
6:00 am-12:00 pm
1 stop7h 00m
San José Juan Santamaria Intl
sáb. 6/28
2:30 pm-11:51 pm
1 stop8h 21m
St. LouisSan José
STL - SJO
STLSJO
Lambert-St Louis
jue. 5/15
3:03 pm-11:46 pm
2 stops33h 43m
San José Juan Santamaria Intl
mié. 5/21
1:06 am-12:04 am
2 stops21h 58m
St. LouisSan José
STL - SJO
STLSJO
Lambert-St Louis
sáb. 7/5
8:15 am-3:35 am
1 stop20h 20m
San José Juan Santamaria Intl
vie. 7/11
1:55 am-7:00 pm
2 stops16h 05m
St. LouisSan José
STL - SJO
STLSJO
Lambert-St Louis
lun. 5/19
5:45 pm-10:27 am
1 stop17h 42m
St. LouisSan José
STL - SJO
STLSJO
Lambert-St Louis
dom. 5/18
10:10 am-10:27 am
2 stops25h 17m
St. LouisSan José
STL - SJO
STLSJO
Lambert-St Louis
mar. 6/3
8:25 am-7:37 pm
1 stop12h 12m
Compare providers for flights from St. Louis to San José
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to San José in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-San José, San José Province flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on St. Louis-San José, San José Province flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from St. Louis-San José, San José Province flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-San José, San José Province flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-San José, San José Province flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from St. Louis to San José
Have a flexible travel schedule? Discover the best time to fly to San José from St. Louis with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to San José
How far ahead should I book a flight from St. Louis to San José, San José Province?
Use this chart to determine the optimal time to book a round-trip flight from St. Louis to San José. Price data was last updated on April 11, 2025.
The price you pay for your flight from St. Louis to San José, San José Province may vary depending on when you book. For the best chance of a lower fare, look to book 90 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from St. Louis to San José, San José Province?
Currently, September is the cheapest month in which you can book a flight from St. Louis to San José, San José Province (average of $398). Flying from St. Louis to San José, San José Province in March is currently the most expensive (average of $555). 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 SJO?
Find hourly flight availability from St. Louis to San José. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 17, 2025.
When flying from St. Louis to San José, San José Province, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 30% versus a flight at noon.
Rainfall in San José by month
Plan your trip to San José by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in San José, San José Province ranges from 0.0 - 11.8 inches per month. September is typically the wettest month, when rainfall can reach 11.8 in. February is typically the driest time to visit San José, San José Province when rainfall is around 0.0 in.
Temperature in San José by month
Plan your trip to San José by taking into account the average temperature totals by month.
If weather is an important factor for your trip to San José, San José Province, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 64.4 F).
Reviews of airlines servicing San José
Get insights into the airlines that provide service to San José. 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 San José. Reviews last updated abril 17, 2025.
To help decide which airline to fly from St. Louis to San José, see what other customers have to say about Alaska Airlines, Delta and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Overall
Food
Crew
Boarding
Entertainment
Reviews
Anonymous,Apr 2025
LAS - STS
Comfort
Overall
Food
Crew
Boarding
Entertainment
Reviews
Anonymous,Apr 2025
LAS - STS
Comfort
Overall
Food
Crew
Boarding
Entertainment
Reviews
Anonymous,Apr 2025
LAS - STS
Comfort
Overall
Food
Crew
Boarding
Entertainment
Reviews
Anonymous,Apr 2025
LAS - STS
Comfort
Overall
Food
Crew
Boarding
Entertainment
Reviews
Anonymous,Apr 2025
LAS - STS
Comfort
Overall
Food
Crew
Boarding
Entertainment
Reviews
Anonymous,Apr 2025
LAS - STS
Related info for your journey
Find useful and relevant information for your journey from St. Louis to San José. 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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Alternative routes for St. Louis to San José
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from St. Louis to San José
Discover the top 5 airlines that operate flights from St. Louis to San José. 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 abril 17, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$246 | Average$322 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$388 | Average$579 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$389 | Average$595 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$427 | Average$592 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$443 | Average$762 | FlexibilityNo cancel fee | On-time63% |