$303+ Cheap flights from St. Louis (STL) to San José (SJO)
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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SJO
Dec 4 — Dec 111
Round-trip
1 adult, Economy
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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.Cheap flight deals from St. Louis to San José
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Best
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One-way
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 November 4, 2026.
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 November 4, 2026.
This American Airlines deal was found by Cheapflights users on 11/1. 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 12/77:16 pm -
2 stops17h 44m
Sat 12/123:54 pm -
2 stops16h 39m
Deal found 11/1![American Airlines logo]()
$608
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 12/245:58 pm -
1 stop18h 43m
Mon 12/283:31 pm -
2 stops33h 10m
Deal found 10/30![Frontier logo]()
$623
This Priceline deal was found by Cheapflights users on 11/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/315:58 pm -
1 stop18h 43m
Sat 1/162:21 pm -
1 stop9h 43m
Deal found 11/3![Frontier logo]()
$627
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/711:05 am -
1 stop8h 48m
Sat 12/1211:28 pm -
1 stop10h 21m
Deal found 11/1![United Airlines logo]()
$657
This American Airlines deal was found by Cheapflights users on 10/31. 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 12/95:00 am -
1 stop15h 51m
Mon 12/146:07 am -
1 stop11h 18m
Deal found 10/31![American Airlines logo]()
$664
This American Airlines deal was found by Cheapflights users on 11/1. 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.
Sun 11/295:00 am -
1 stop7h 59m
Sun 12/66:07 am -
1 stop11h 18m
Deal found 11/1![American Airlines logo]()
$669
This Air Canada deal was found by Cheapflights users on 11/1. 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.
Wed 12/24:05 pm -
1 stop30h 25m
Mon 12/78:45 am -
1 stop30h 41m
Deal found 11/1![Air Canada logo]()
$686
This American Airlines deal was found by Cheapflights users on 11/3. 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.
Wed 12/26:00 am -
2 stops14h 51m
Mon 12/76:07 am -
1 stop11h 18m
Deal found 11/3![American Airlines logo]()
$693
Best flights from St. Louis to San JoséDiscover carefully curated flight deals from St. Louis to San José that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 4, 2026.
Discover carefully curated flight deals from St. Louis to San José that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 4, 2026.
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/66:15 am -
1 stop7h 07m
Fri 1/221:15 am -
1 stop12h 51m
Deal found 11/2![United Airlines logo]()
$664
This Southwest deal was found by Cheapflights users on 11/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/138:20 pm -
2 stops16h 30m
Sun 2/211:50 pm -
2 stops17h 55m
Deal found 11/3![Southwest logo]()
$696
This Copa Airlines deal was found by Cheapflights users on 11/1. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/98:30 am -
2 stops32h 23m
Mon 12/149:59 am -
2 stops24h 04m
Deal found 11/1![Copa Airlines logo]()
$789
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/307:05 am -
1 stop14h 41m
Sat 1/97:00 am -
1 stop7h 34m
Deal found 11/3![Delta logo]()
$884
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Sun 1/316:15 am -
1 stop14h 24m
Thu 2/41:25 pm -
1 stop9h 55m
Deal found 11/3![United Airlines logo]()
$669
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Fri 1/86:15 am -
1 stop7h 07m
Wed 1/131:25 pm -
1 stop9h 55m
Deal found 11/3![United Airlines logo]()
$670
This United Airlines deal was found by Cheapflights users on 10/31. 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 3/126:30 am -
1 stop13h 23m
Wed 3/1712:25 pm -
1 stop18h 54m
Deal found 10/31![United Airlines logo]()
$794
This United Airlines deal was found by Cheapflights users on 11/1. 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 1/75:00 am -
2 stops15h 39m
Sat 1/161:15 am -
2 stops16h 35m
Deal found 11/1![United Airlines logo]()
$823
This United Airlines deal was found by Cheapflights users on 10/30. 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 12/236:15 am -
1 stop16h 17m
Tue 12/298:45 am -
1 stop13h 45m
Deal found 10/30![United Airlines logo]()
$887
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/266:15 am -
1 stop7h 07m
Fri 4/27:55 am -
1 stop13h 11m
Deal found 11/2![United Airlines logo]()
$907
This United Airlines deal was found by Cheapflights users on 10/30. 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 12/203:00 pm -
2 stops21h 42m
Sun 12/2711:28 pm -
2 stops19h 34m
Deal found 10/30![United Airlines logo]()
$976
Last-minute flights from St. Louis to San JoséDiscover last-minute flight deals from St. Louis to San José. Data last updated November 4, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to San José. Data last updated November 4, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 11/1. 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.
Sun 11/295:00 am -
1 stop7h 59m
Sun 12/66:07 am -
1 stop11h 18m
Deal found 11/1![American Airlines logo]()
$669
This Air Canada deal was found by Cheapflights users on 11/1. 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.
Wed 12/24:05 pm -
1 stop30h 25m
Mon 12/78:45 am -
1 stop30h 41m
Deal found 11/1![Air Canada logo]()
$686
This American Airlines deal was found by Cheapflights users on 11/3. 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.
Wed 12/26:00 am -
2 stops14h 51m
Mon 12/76:07 am -
1 stop11h 18m
Deal found 11/3![American Airlines logo]()
$693
This American Airlines deal was found by Cheapflights users on 11/1. 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 12/77:16 pm -
2 stops17h 44m
Sat 12/123:54 pm -
2 stops16h 39m
Deal found 11/1![American Airlines logo]()
$608
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/711:05 am -
1 stop8h 48m
Sat 12/1211:28 pm -
1 stop10h 21m
Deal found 11/1![United Airlines logo]()
$657
This American Airlines deal was found by Cheapflights users on 10/31. 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 12/95:00 am -
1 stop15h 51m
Mon 12/146:07 am -
1 stop11h 18m
Deal found 10/31![American Airlines logo]()
$664
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 12/245:58 pm -
1 stop18h 43m
Mon 12/283:31 pm -
2 stops33h 10m
Deal found 10/30![Frontier logo]()
$623
This Priceline deal was found by Cheapflights users on 11/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/315:58 pm -
1 stop18h 43m
Sat 1/162:21 pm -
1 stop9h 43m
Deal found 11/3![Frontier logo]()
$627
One-way flights from St. Louis to San JoséSearch for one-way flight options from St. Louis to San José. Find affordable one-way fares based on user searches. Data last updated November 4, 2026.
Search for one-way flight options from St. Louis to San José. Find affordable one-way fares based on user searches. Data last updated November 4, 2026.
This Delta deal was found by Cheapflights users on 11/2. 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.
Thu 1/2112:00 pm -
1 stop9h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Delta logo]()
$303
This United Airlines deal was found by Cheapflights users on 11/3. 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 3/116:30 am -
1 stop13h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![United Airlines logo]()
$323
This American Airlines deal was found by Cheapflights users on 11/3. 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 3/116:37 am -
2 stops14h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![American Airlines logo]()
$333
This deal was found by Cheapflights users on 11/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/285:00 am -
1 stop8h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![American Airlines logo]()
$388
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/38:05 am -
2 stops28h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![United Airlines logo]()
$393
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/266:21 pm -
2 stops42h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Frontier logo]()
$433
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/156:20 pm -
3 stops41h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Multiple Airlines logo]()
$448
This American Airlines deal was found by Cheapflights users on 11/3. 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 12/155:00 am -
1 stop8h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![American Airlines logo]()
$450
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Wed 12/169:40 am -
2 stops25h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![United Airlines logo]()
$471
This American Airlines deal was found by Cheapflights users on 11/3. 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 12/175:03 am -
1 stop9h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![American Airlines logo]()
$480
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/227:02 pm -
3 stops37h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$481
Find 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 November 4, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $519 (American Airlines) |
One-way from | $303 (Delta) |
Popular in | December |
Cheapest in | May |
Average price | $499 |
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 7,457,451 searches. Data last updated November 4, 2026.
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
Cheapest round-trip
St. LouisSan José
STL Lambert-St Louis - SJO San José Juan Santamaria Intl
STLSJO
Lambert-St Louis
Fri 1/22
6:15 am-8:39 pm
1 stop14h 24m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$303
Quickest round-trip
St. LouisSan José
STL Lambert-St Louis - SJO San José Juan Santamaria Intl
STLSJO
Lambert-St Louis
Thu 1/21
12:00 pm-9:49 pm
1 stop9h 49m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$303
St. LouisSan José
STL Lambert-St Louis - SJO San José Juan Santamaria Intl
STLSJO
Lambert-St Louis
Thu 1/21
6:18 am-8:59 pm
2 stops14h 41m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$323
St. LouisSan José
STL Lambert-St Louis - SJO San José Juan Santamaria Intl
STLSJO
Lambert-St Louis
Thu 3/11
6:37 am-9:12 pm
2 stops14h 35m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$323
St. LouisSan José
STL Lambert-St Louis - SJO San José Juan Santamaria Intl
STLSJO
Lambert-St Louis
Thu 3/11
6:30 am-7:53 pm
1 stop13h 23m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$323
St. LouisSan José
STL Lambert-St Louis - SJO San José Juan Santamaria Intl
STLSJO
Lambert-St Louis
Sun 1/3
6:15 am-8:39 pm
1 stop14h 24m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$388
St. LouisSan José
STL Lambert-St Louis - SJO San José Juan Santamaria Intl
STLSJO
Lambert-St Louis
Wed 12/16
9:40 am-11:30 am
2 stops25h 50m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$471
St. LouisSan José
STL Lambert-St Louis - SJO San José Juan Santamaria Intl
STLSJO
Lambert-St Louis
Fri 1/22
7:02 pm-8:07 am
3 stops37h 05m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$481
St. LouisSan José
STL Lambert-St Louis - SJO San José Juan Santamaria Intl
STLSJO
Lambert-St Louis
Wed 1/6
6:15 am-1:22 pm
1 stop7h 07m
San José Juan Santamaria Intl
Fri 1/22
1:15 am-2:06 pm
1 stop12h 51m
$664
St. LouisSan José
STL Lambert-St Louis - SJO San José Juan Santamaria Intl
STLSJO
Lambert-St Louis
Sun 1/31
6:15 am-8:39 pm
1 stop14h 24m
San José Juan Santamaria Intl
Thu 2/4
1:25 pm-11:20 pm
1 stop9h 55m
$669
Showing 1-10 of 19 resultsSorted by cheapest first
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 November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on St. Louis-San José flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on St. Louis-San José flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from St. Louis-San José flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-San José flights, Cheapflights users trust Ovago the most. Ovago 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 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.
STL-SJO
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 San José
How far ahead should I book a flight from St. Louis to San José?
To ensure you get the cheapest price possible for a flight from St. Louis to San José, you should look to book at least 65 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from St. Louis to San José?
Currently, May is the cheapest month in which you can book a flight from St. Louis to San José (average of $494). Flying from St. Louis to San José in December is currently the most expensive (average of $938). 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.
How much does it cost to fly round-trip from St. Louis to San José?
Airfare is typical for this route at the moment.
St. Louis to San José flights typically cost between $475 and $530 in January.The cheapest round-trip price found within the last 5 days was $519 on American Airlines (Jan 31-Feb 9).
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 November 4, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from St. Louis to San José to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
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.
Traveling to a place near San José?
Book flights to San José if you plan to visit one of these locationsAlajuela
Heredia
Dominical
Manuel Antonio
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St. Louis and San José flights
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Top 5 airlines flying from St. Louis to San José
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$359 | Average$723 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$403 | Average$690 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$417 | Average$567 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$442 | Average$697 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$628 | Average$1,039 | FlexibilityNo cancel fee | On-time74% |