How long is the flight from St. Louis to San José?

Departing from St. Louis to San José will take you 8h 12m. St. Louis and San José are separated by a distance of 2022 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from St. Louis to San José round-trip?

Delta, at $257, was found to be the cheapest airline from St. Louis to San José.Alternate airlines to your destination round-trip include Spirit Airlines and American Airlines. Delta is priced at 56% lower than the current average price of a flight leaving 3 months from now.

In terms of precipitation, rainfall in San José 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 when rainfall is around 0.0 in.

If weather is an important factor for your trip to San José, 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).

What are the most popular airlines that fly from St. Louis to San José?

When booking a flight from St. Louis to San José, you may want to consider flying on American Airlines, United Airlines or Southwest as they are the most popular for this route.

Most accurate provider : When it comes to deals on St. Louis-San José flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-San José flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

Can I find deals for flights from St. Louis to San José that include hotel bookings?

Yes. In addition to deals on St. Louis to San José flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from St. Louis to San José?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to San José.

Can I find deals for business class flights from St. Louis to San José?

Yes. Cheapflights offers flight deals from St. Louis to San José by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$136+ Cheap Flights from St. Louis to San José

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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 October or September, booked 54 days in advance, depart on a Tuesday or Sunday and return on a Tuesday

Cheap flight deals from St. Louis to San José

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$306 (Kiwi.com)
One-way from	$136 (Trip.com)
Popular in	December
Cheapest in	October
Average price	$427

Provider with most accurate pricing for Lambert-St Louis-San José Juan Santamaria Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Lambert-St Louis-San José Juan Santamaria Intl flights.

Search Deals

From Lambert-St Louis to San José Juan Santamaria Intl

Search Deals

One-way flight from Lambert-St Louis to San José Juan Santamaria Intl

Search Deals

Highest demand for flights based on searches. 18% potential increase in price ($134 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 8% potential price decrease ($46 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Find flight deals from St. Louis to San José

Cheapest flights from St. Louis to San José
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 October 28, 2025.

Thu 11/137:02 pmSTL - SJO

1 stop17h 23mSpirit Airlines

Wed 11/191:30 pmSJO - STL

1 stop20h 28mSpirit Airlines

Deal found 10/28

$265

Sat 11/157:45 pmSTL - SJO

2 stops15h 54mMultiple Airlines

Wed 11/191:30 pmSJO - STL

1 stop20h 28mMultiple Airlines

Deal found 10/27

$326

Sun 12/2810:57 amSTL - SJO

2 stops25h 28mMultiple Airlines

Wed 1/211:19 pmSJO - STL

1 stop21h 42mMultiple Airlines

Deal found 10/27

$334

Sun 12/2810:57 amSTL - SJO

2 stops25h 28mMultiple Airlines

Wed 1/1412:22 pmSJO - STL

1 stop10h 15mMultiple Airlines

Deal found 10/27

$335

Wed 12/103:30 pmSTL - SJO

1 stop20h 12mMultiple Airlines

Wed 12/171:31 pmSJO - STL

1 stop21h 25mMultiple Airlines

Deal found 10/27

$338

Wed 12/177:43 pmSTL - SJO

2 stops15h 59mMultiple Airlines

Thu 12/2512:39 pmSJO - STL

1 stop9h 54mMultiple Airlines

Deal found 10/26

$349

Sun 12/143:30 pmSTL - SJO

1 stop20h 12mMultiple Airlines

Thu 12/2512:39 pmSJO - STL

1 stop9h 54mMultiple Airlines

Deal found 10/26

$353

Sun 12/143:30 pmSTL - SJO

1 stop20h 12mMultiple Airlines

Wed 12/241:31 pmSJO - STL

2 stops20h 09mMultiple Airlines

Deal found 10/26

$354

Sun 12/1410:42 amSTL - SJO

2 stops25h 43mMultiple Airlines

Mon 12/2912:39 pmSJO - STL

1 stop9h 54mMultiple Airlines

Deal found 10/27

$355

Best flights from St. Louis to San José
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 October 28, 2025.

Tue 11/181:55 pmSTL - SJO

1 stop8h 12mDelta

Tue 11/257:00 amSJO - STL

1 stop9h 07mDelta

Deal found 10/26

$360

Tue 11/1110:00 amSTL - SJO

2 stops10h 39mUnited Airlines

Fri 11/148:45 amSJO - STL

2 stops14h 00mUnited Airlines

Deal found 10/28

$420

Fri 11/149:33 amSTL - SJO

1 stop12h 34mDelta

Fri 11/217:00 amSJO - STL

1 stop14h 04mDelta

Deal found 10/27

$388

Tue 12/29:30 amSTL - SJO

1 stop12h 50mDelta

Fri 12/127:00 amSJO - STL

1 stop16h 42mDelta

Deal found 10/27

$388

Sat 12/131:35 pmSTL - SJO

1 stop8h 25mUnited Airlines

Tue 12/236:30 amSJO - STL

1 stop15h 25mUnited Airlines

Deal found 10/28

$490

Sat 11/151:33 pmSTL - SJO

1 stop8h 34mDelta

Sat 11/227:00 amSJO - STL

1 stop10h 59mDelta

Deal found 10/28

$408

Fri 11/146:30 amSTL - SJO

2 stops14h 09mUnited Airlines

Fri 11/2111:28 pmSJO - STL

2 stops13h 00mUnited Airlines

Deal found 10/27

$502

Fri 10/316:00 amSTL - SJO

1 stop6h 58mDelta

Sun 11/22:15 pmSJO - STL

1 stop7h 23mDelta

Deal found 10/26

$446

Fri 11/76:43 pmSTL - SJO

2 stops18h 12mUnited Airlines

Tue 11/1111:28 pmSJO - STL

2 stops14h 56mUnited Airlines

Deal found 10/28

$530

Fri 11/75:24 pmSTL - SJO

2 stops18h 01mUnited Airlines

Thu 11/132:20 pmSJO - STL

2 stops25h 26mUnited Airlines

Deal found 10/27

$530

Wed 12/316:00 amSTL - SJO

1 stop15h 55mDelta

Sun 1/187:00 amSJO - STL

1 stop16h 39mDelta

Deal found 10/27

$536

Last-minute flights from St. Louis to San José
Discover last-minute flight deals from St. Louis to San José. Data last updated October 28, 2025 and is based on user searches.

Wed 11/125:17 amSTL - SJO

1 stop8h 53mAmerican Airlines

Wed 11/192:59 pmSJO - STL

1 stop17h 57mAmerican Airlines

Deal found 10/26

$388

Thu 11/137:02 pmSTL - SJO

1 stop17h 23mSpirit Airlines

Wed 11/191:30 pmSJO - STL

1 stop20h 28mSpirit Airlines

Deal found 10/28

$265

Sat 11/157:45 pmSTL - SJO

2 stops15h 54mMultiple Airlines

Wed 11/191:30 pmSJO - STL

1 stop20h 28mMultiple Airlines

Deal found 10/27

$326

Mon 11/1711:39 amSTL - SJO

1 stop10h 28mDelta

Mon 11/247:00 amSJO - STL

1 stop11h 35mDelta

Deal found 10/27

$380

Mon 11/178:13 amSTL - SJO

2 stops14h 00mAmerican Airlines

Mon 11/246:22 amSJO - STL

1 stop16h 37mAmerican Airlines

Deal found 10/27

$384

Tue 11/187:05 amSTL - SJO

1 stop15h 02mDelta

Tue 11/257:00 amSJO - STL

1 stop11h 35mDelta

Deal found 10/27

$360

Tue 11/1810:15 amSTL - SJO

2 stops11h 58mAmerican Airlines

Tue 11/257:00 amSJO - STL

1 stop15h 34mAmerican Airlines

Deal found 10/28

$364

Wed 11/268:39 amSTL - SJO

1 stop13h 34mAmerican Airlines

Thu 12/41:15 pmSJO - STL

1 stop10h 44mAmerican Airlines

Deal found 10/28

$365

Thu 11/278:39 amSTL - SJO

1 stop9h 36mAmerican Airlines

Fri 12/56:20 amSJO - STL

1 stop13h 09mAmerican Airlines

Deal found 10/28

$386

One-way flights from St. Louis to San José
Search for one-way flight options from St. Louis to San José. Find affordable one-way fares based on user searches. Data last updated October 28, 2025.

Thu 12/42:47 pmSTL - SJO

1 stop21h 38mSpirit Airlines

Deal found 10/25

$136

Sat 12/611:35 amSTL - SJO

1 stop9h 36mAmerican Airlines

Deal found 10/28

$184

Mon 12/159:54 amSTL - SJO

1 stop25h 48mMultiple Airlines

Deal found 10/26

$190

Thu 12/412:04 pmSTL - SJO

3 stops23h 38mMultiple Airlines

Deal found 10/25

$204

Tue 12/302:04 pmSTL - SJO

2 stops20h 28mAmerican Airlines

Deal found 10/26

$210

Mon 12/296:00 pmSTL - SJO

1 stop27h 01mAmerican Airlines

Deal found 10/27

$220

Fri 10/316:00 amSTL - SJO

1 stop6h 58mDelta

Deal found 10/27

$222

Cheapflights Fare Finder

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

Tue 11/18

1:55 pm-10:07 pm

1 stop8h 12m

San José Juan Santamaria Intl

Tue 11/25

7:00 am-4:07 pm

1 stop9h 07m

$360

St. LouisSan José

STL - SJO

STLSJO

Lambert-St Louis

Fri 11/14

9:33 am-10:07 pm

1 stop12h 34m

San José Juan Santamaria Intl

Fri 11/21

7:00 am-9:04 pm

1 stop14h 04m

$388

St. LouisSan José

STL - SJO

STLSJO

Lambert-St Louis

Tue 12/2

9:30 am-10:20 pm

1 stop12h 50m

San José Juan Santamaria Intl

Fri 12/12

7:00 am-11:42 pm

1 stop16h 42m

$388

St. LouisSan José

STL - SJO

STLSJO

Lambert-St Louis

Sat 11/15

1:33 pm-10:07 pm

1 stop8h 34m

San José Juan Santamaria Intl

Sat 11/22

7:00 am-5:59 pm

1 stop10h 59m

$408

St. LouisSan José

STL - SJO

STLSJO

Lambert-St Louis

Tue 11/11

10:00 am-8:39 pm

2 stops10h 39m

San José Juan Santamaria Intl

Fri 11/14

8:45 am-10:45 pm

2 stops14h 00m

$420

St. LouisSan José

STL - SJO

STLSJO

Lambert-St Louis

Fri 10/31

6:00 am-11:58 am

1 stop6h 58m

San José Juan Santamaria Intl

Sun 11/2

2:15 pm-9:38 pm

1 stop7h 23m

$446

St. LouisSan José

STL - SJO

STLSJO

Lambert-St Louis

Sat 12/13

1:35 pm-10:00 pm

1 stop8h 25m

San José Juan Santamaria Intl

Tue 12/23

6:30 am-9:55 pm

1 stop15h 25m

$490

St. LouisSan José

STL - SJO

STLSJO

Lambert-St Louis

Fri 11/14

6:30 am-8:39 pm

2 stops14h 09m

San José Juan Santamaria Intl

Fri 11/21

11:28 pm-12:28 pm

2 stops13h 00m

$502

St. LouisSan José

STL - SJO

STLSJO

Lambert-St Louis

Fri 11/7

6:43 pm-12:55 pm

2 stops18h 12m

San José Juan Santamaria Intl

Tue 11/11

11:28 pm-2:24 pm

2 stops14h 56m

$530

St. LouisSan José

STL - SJO

STLSJO

Lambert-St Louis

Fri 11/7

5:24 pm-11:25 am

2 stops18h 01m

San José Juan Santamaria Intl

Thu 11/13

2:20 pm-3:46 pm

2 stops25h 26m

$530

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Showing 1-10 of 16 results

Compare providers for flights from St. Louis to San José

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 October.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on St. Louis-San José flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-San José flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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 54 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, February is the cheapest month in which you can book a flight from St. Louis to San José (average of $330). Flying from St. Louis to San José in December is currently the most expensive (average of $474). 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?

When flying from St. Louis to San José, 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 29% versus a flight at noon.

Reviews of airlines servicing San José

Peruse reviews from past customers who have flown with Southwest, Delta, and United 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.

Southwest

8.0

Very good

4,240 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Southwest

8.0

Very good

4,240 reviews

Southwest

8.0

Very good

4,240 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Delta

7.9

Good

7,994 reviews

Southwest

8.0

Very good

4,240 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

United Airlines

7.4

Good

9,001 reviews

Southwest

8.0

Very good

4,240 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

American Airlines

7.2

Good

11,032 reviews

Southwest

8.0

Very good

4,240 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Spirit Airlines

6.3

Okay

8,116 reviews

Southwest

8.0

Very good

4,240 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

How long is the flight from St. Louis to San José?
Departing from St. Louis to San José will take you 8h 12m. St. Louis and San José are separated by a distance of 2022 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from St. Louis to San José round-trip?
Delta, at $257, was found to be the cheapest airline from St. Louis to San José.Alternate airlines to your destination round-trip include Spirit Airlines and American Airlines. Delta is priced at 56% lower than the current average price of a flight leaving 3 months from now.
Can I find deals for flights from St. Louis to San José that include hotel bookings?
Yes. In addition to deals on St. Louis to San José flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to San José?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to San José.
Can I find deals for business class flights from St. Louis to San José?
Yes. Cheapflights offers flight deals from St. Louis to San José by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from St. Louis to San José?
Currently, February is the cheapest month in which you can book a flight from St. Louis to San José (average of $330). Flying from St. Louis to San José in December is currently the most expensive (average of $474). 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.

See more FAQs

Heredia

Manuel Antonio

Alajuela

Monteverde

Jacó

Dominical

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for St. Louis to San José

Kansas City to San José flights

St. Louis to Liberia flights

Kansas City to Liberia flights

Springfield to San José flights

Columbia to Liberia flights

Other flights to San José

Top 5 airlines flying from St. Louis to San José

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$257	Average$549	FlexibilityNo cancel fee	On-timeN/A
Spirit Airlines	Cheapest$263	Average$446	FlexibilityNo cancel fee	On-time65%
American Airlines	Cheapest$338	Average$573	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$383	Average$629	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$386	Average$558	FlexibilityNo cancel fee	On-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$136+ 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 12/4. 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

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Lambert-St Louis to San José Juan Santamaria Intl are usually found in October or September, booked 54 days in advance, depart on a Tuesday or Sunday and return on a Tuesday

Cheap flight deals from St. Louis to San José

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 October 28, 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 October 28, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to San José that are best for you.

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 October.

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?

What is the cheapest month to book a flight from St. Louis to San José?

What is the cheapest time of day to fly from STL to SJO?

Reviews of airlines servicing San José

Peruse reviews from past customers who have flown with Southwest, Delta, and United 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.

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.

How long is the flight from St. Louis to San José?

What are the cheapest airlines flying from St. Louis to San José round-trip?

Can I find deals for flights from St. Louis to San José that include hotel bookings?

How can I find direct flights from St. Louis to San José?

Can I find deals for business class flights from St. Louis to San José?

What is the cheapest month to book a flight from St. Louis to San José?

Traveling to a place near San José?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from St. Louis to San José
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 October 28, 2025.