Title: Cheap Flights from St. Louis (STL) to San José (SJO) - Expedia.ca ![](https://images.trvl-media.com/place/603085/8cc5329d-3997-49fc-ac6a-b6d11b9493c8.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/603085/8cc5329d-3997-49fc-ac6a-b6d11b9493c8.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from St. Louis (STL) to San José (SJO) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Lambert-St. Louis International Airport (STL) to Juan Santamaria Intl. Airport (SJO) - ![Air Canada](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.ca/Flights-Search?leg1=from:stl,to:sjo,departure:20/11/2025TANYT&leg2=from:sjo,to:stl,departure:27/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:stl,to:sjo,departure:20/11/2025TANYT&leg2=from:sjo,to:stl,departure:27/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:stl,to:sjo,departure:20/11/2025TANYT&leg2=from:sjo,to:stl,departure:27/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:stl,to:sjo,departure:20/11/2025TANYT&leg2=from:sjo,to:stl,departure:27/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Southwest Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:stl,to:sjo,departure:20/11/2025TANYT&leg2=from:sjo,to:stl,departure:27/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![Copa](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_CM.svg) Copa [](https://www.expedia.ca/Flights-Search?leg1=from:stl,to:sjo,departure:20/11/2025TANYT&leg2=from:sjo,to:stl,departure:27/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"CM"}}]) - ![Alaska Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:stl,to:sjo,departure:20/11/2025TANYT&leg2=from:sjo,to:stl,departure:27/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Find the cheapest month to fly from St. Louis (STL) to San José (SJO) ### September is typically the cheapest month to fly From CA $369 - CA $1,082 per traveller. Flight from St. Louis to San José (STL - SJO) route information | Origin airport | Lambert-St. Louis Intl. | | --- | --- | | Destination airport | Juan Santamaría Intl. | | Distance | 3235 km | ## St. Louis to San José Flights **The easy way to book your flights from St. Louis to San José**  With Expedia, it’s simple to find and book flights to San José from St. Louis whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Juan Santamaría Intl., too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from St. Louis to San José today, tomorrow, or this week.   **Save dollars with cheap flights from Lambert-St. Louis Intl., STL to Juan Santamaría Intl., SJO**  Sort your search results by price to find great deals on your flight from St. Louis to San José—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to San José from St. Louis currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to San José   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to San José from St. Louis**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to San José with Expedia today. ## Frequently asked questions ### How much is a flight from Lambert Field to Juan Santamaria Intl. Airport? > The lowest price advertised for a round-trip flight from STL to Juan Santamaria Intl. Airport is . But you better act fast. This figure is taken from fares listed within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from STL to Juan Santamaria Intl. Airport? > We understand that things come up unexpectedly, so we've made it as easy as possible for you to cancel your flight online. Just visit the [Customer Service Portal](https://www.expedia.ca/helpcenter) and follow the instructions. ### How do I find cheap flights from Lambert-St. Louis Intl. Airport (STL) to Juan Santamaria Intl. Airport (SJO) that have flexible change policies? > Flights from Lambert-St. Louis Intl. Airport (STL) to SJO offering flexible change policies are available with many carriers. Simply use our "No change fees" filter when searching. You'll only need to pay the fare difference, with no extra fees to worry about. ### How many hours is the flight from Lambert-St. Louis Intl. Airport (STL) to Juan Santamaria Intl. Airport (SJO)? > The flight time from Lambert-St. Louis Intl. Airport (STL) to SJO is roughly 7 hours and 32 minutes. Put your headphones on, listen to a good podcast and your time in the air will whiz by. ### How far is the flight from STL to Juan Santamaria Intl. Airport? > The flight distance from Lambert-St. Louis Intl. Airport (STL) to Juan Santamaria Intl. Airport (SJO) is 3,300 kilometres. Listen to your favourite tunes or read a good book and the trip will zip on by. ### Which airlines fly direct from STL to Juan Santamaria Intl. Airport (SJO)? > If you want to travel straight from STL to SJO, you'll have to book a flight with one or more stops. Unfortunately, there are no airlines that fly directly between these airports. ### Are STL to Juan Santamaria Intl. Airport flight tickets cheaper when they're purchased at the last minute? > Booking last minute from STL to SJO can be hit-or-miss. You may be able to find a bargain, but you could also miss out completely! If you'd prefer to start planning early on, Expedia compares flight deals up to a year in advance. Just keep in mind that not all airlines release their prices that far in advance. Our top tip? Check back often as updates are made regularly. ## Explore a world of travel with Expedia \*Available to Expedia members.