C$469 Cheap Flights from St Louis to San Jose Juan Santamaria

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Flight deals from St Louis to San Jose Juan Santamaria

Looking for a cheap last-minute deal or the best round-trip flight from St Louis to San Jose Juan Santamaria? Find the lowest prices on one-way and round-trip tickets right here.

San Jose.C$469 per passenger.Departing Mon, Nov 3, returning Fri, Nov 7.Round-trip flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departing from St Louis on Mon, Nov 3, arriving in San Jose Juan Santamaria.Inbound indirect flight with Southwest Airlines, departing from San Jose Juan Santamaria on Fri, Nov 7, arriving in St Louis.Price includes taxes and charges.From C$469, select.

San Jose.C$480 per passenger.Departing Wed, Apr 15, returning Wed, Apr 22.Round-trip flight with United.Outbound indirect flight with United, departing from St Louis on Wed, Apr 15, arriving in San Jose Juan Santamaria.Inbound indirect flight with United, departing from San Jose Juan Santamaria on Wed, Apr 22, arriving in St Louis.Price includes taxes and charges.From C$480, select.

San Jose.C$487 per passenger.Departing Tue, Jul 15, returning Tue, Jul 22.Round-trip flight with Frontier Airlines and Spirit Airlines.Outbound indirect flight with Frontier Airlines, departing from St Louis on Tue, Jul 15, arriving in San Jose Juan Santamaria.Inbound indirect flight with Spirit Airlines, departing from San Jose Juan Santamaria on Tue, Jul 22, arriving in St Louis.Price includes taxes and charges.From C$487, select.

San Jose.C$494 per passenger.Departing Sun, Sep 7, returning Sun, Sep 14.Round-trip flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departing from St Louis on Sun, Sep 7, arriving in San Jose Juan Santamaria.Inbound indirect flight with Southwest Airlines, departing from San Jose Juan Santamaria on Sun, Sep 14, arriving in St Louis.Price includes taxes and charges.From C$494, select.

San Jose.C$521 per passenger.Departing Wed, Jan 7, returning Wed, Jan 14.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from St Louis on Wed, Jan 7, arriving in San Jose Juan Santamaria.Inbound indirect flight with Delta, departing from San Jose Juan Santamaria on Wed, Jan 14, arriving in St Louis.Price includes taxes and charges.From C$521, select.

San Jose.C$531 per passenger.Departing Thu, Jun 12, returning Mon, Jun 16.Round-trip flight with United.Outbound indirect flight with United, departing from St Louis on Thu, Jun 12, arriving in San Jose Juan Santamaria.Inbound indirect flight with United, departing from San Jose Juan Santamaria on Mon, Jun 16, arriving in St Louis.Price includes taxes and charges.From C$531, select.

San Jose.C$532 per passenger.Departing Thu, Oct 9, returning Mon, Oct 13.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from St Louis on Thu, Oct 9, arriving in San Jose Juan Santamaria.Inbound indirect flight with Delta, departing from San Jose Juan Santamaria on Mon, Oct 13, arriving in St Louis.Price includes taxes and charges.From C$532, select.

San Jose.C$584 per passenger.Departing Fri, May 30, returning Fri, Jun 6.Round-trip flight with United.Outbound indirect flight with United, departing from St Louis on Fri, May 30, arriving in San Jose Juan Santamaria.Inbound indirect flight with United, departing from San Jose Juan Santamaria on Fri, Jun 6, arriving in St Louis.Price includes taxes and charges.From C$584, select.

Find the cheapest month to fly from St Louis to San Jose Juan Santamaria

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to San Jose Juan Santamaria flights are currently cheapest in November.

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St Louis to San Jose Juan Santamaria: Alternative routes

Compare routes from St Louis to San Jose below. You may find an airport to fly into that's cheaper, faster, or easier than San Jose Juan Santamaria.

St Louis to San Jose: Flight information

The things to know before you go.

Cheapest flight found	C$469
Cheapest month to fly	November

Finding cheap flights from St Louis to San Jose Juan Santamaria: Frequently asked questions

How much are round-trip flights from St Louis to San Jose Juan Santamaria?

The best price we found for a round-trip flight from St Louis to San Jose Juan Santamaria is C$469. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from St Louis to San Jose Juan Santamaria?

Currently, there are no airlines that fly direct from St Louis to San Jose Juan Santamaria. But we found flights with one or more stops from C$469.

How many flights are there a week from St Louis to San Jose Juan Santamaria?

There are no flights flying from St Louis to San Jose Juan Santamaria, as of May 2025.

When is the cheapest time to fly from St Louis to San Jose Juan Santamaria?

The cheapest month to fly from St Louis to San Jose Juan Santamaria is usually May 2025.

Which upcoming date is cheapest to fly from St Louis Airport to San Jose Juan Santamaria Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to San Jose Juan Santamaria Airport on Monday, November 3, 2025.

Can I get a direct flight from St Louis Airport to San Jose Juan Santamaria Airport?

No airlines currently offer direct flights between St Louis Airport and San Jose Juan Santamaria Airport. Most routes have one or more stops.

How can I find the best flight deal to San Jose Juan Santamaria?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Jose Juan Santamaria but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to San Jose?

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to San Jose is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly with from St Louis Airport to San Jose Juan Santamaria?

Currently, Southwest Airlines offers the cheapest flight tickets to San Jose Juan Santamaria.

Travelling from Lambert-St. Louis International Airport (STL) to Juan Santamaria International Airport (SJO): what you need to know

San Jose's timezone is UTC-6, making San Jose one hour behind St Louis.
Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Make sure you're at the airport on time to catch your STL to SJO flight.
Travelling during a peak month such as July? School holidays and other high seasons can lead to longer lines and delays at airport checkpoints. Play things extra safe and get there up to four hours before an international flight and two hours before domestic departures.
If you'd like to include a stop along the way, simply uncheck 'Direct flights only' when searching for your ticket from Lambert-St. Louis International Airport to Juan Santamaria International Airport. Here are the top stopovers between STL and SJO:
- George Bush Intercontinental Airport
- Hartsfield-Jackson Atlanta International Airport
- Charlotte Douglas International Airport

How to find the cheapest flights from Lambert-St. Louis International Airport (STL) to Juan Santamaria International Airport (SJO)

C$210 is currently the best price for a one-way Lambert-St. Louis International Airport to Juan Santamaria International Airport flight. A return flight starts at C$469. These prices may change based on availability.
To find cheap tickets from STL to SJO, book early. Airlines usually offer lower prices when flights are first made available.
If you can be flexible with your travel plans, use the 'Whole month' search function. It'll give you the cheapest price across each month when looking for your flight from Lambert-St. Louis International Airport to Juan Santamaria International Airport.
There's no need to check back in every day to see if fares have gone down when you set up a Price Alert. We'll notify you the moment there's a change in price on cheap flights from STL to SJO.
Tailor your trip with filters. Choose your preferred arrival and departure times, total journey duration and airlines. You can also sort results by 'Best,' 'Fastest' or 'Cheapest' flights from Lambert-St. Louis International Airport to Juan Santamaria International Airport.

Handy information about Lambert-St. Louis International Airport (STL)

You'll find STL at 10701 Lambert International Blvd..
78.04% of flights that take off from Lambert-St. Louis International Airport make it to their destination on schedule.
To reach Lambert-St. Louis International Airport from central St Louis, it'll take about 20 minutes if you're planning to drive. Of course, this depends on traffic. It's approximately 26 kilometres from the airport to the city centre.
Planning to catch public transport? You can expect a journey time of around 35 minutes.
Catching an early flight from Lambert-St. Louis International Airport to Juan Santamaria International Airport? Avoid rushing to the terminal (and get some extra shut-eye) by picking one of these hotels near STL:

Arriving at Juan Santamaria International Airport (SJO)

Consider booking a hotel near SJO if you're on a late Lambert-St. Louis International Airport to Juan Santamaria International Airport flight. Select one of these options and skip the long transfer:
Begin your adventure by picking up a Juan Santamaria International Airport rental car. Grab a set of wheels from NextCar, Europcar or Dollar and explore beyond San Jose's usual tourist stops.
Booking your vehicle from Juan Santamaria International Airport around three weeks ahead gives you the best shot at securing a great deal.

Getting from Juan Santamaria International Airport (SJO) to central San Jose

Juan Santamaria International Airport to central San Jose has a drive time of about 20 minutes. It's approximately 18 kilometres away.
If you're travelling on public transport, expect a journey of about 2 hours 20 minutes.

When to fly to Juan Santamaria International Airport (SJO)

It's time to work out your trip dates for your flight from Lambert-St. Louis International Airport to Juan Santamaria International Airport. July is the most popular month to visit San Jose. If you'd like a more low-key vibe, go in May.
The warmest month in San Jose is March, with temperatures ranging between 12ºC (54ºF) and 29ºC (84ºF). Book your flights from Lambert-St. Louis International Airport to Juan Santamaria International Airport in this month if you like this kind of weather.
January sees average temperatures of between 12ºC (54ºF) and 26ºC (79ºF). Look for cheap tickets from STL to SJO sometime around then if you like travelling in cooler conditions.

Explore more of Costa Rica

San Jose has plenty going for it, but there are so many other corners of Costa Rica just waiting to be discovered. Around 113 kilometres east of San Jose, a visit to Limon will keep your itinerary packed. Start with leading attractions like Veragua Rainforest Park, Playa Bonita and Cruise Pier Puerto Limon.
Around 18 kilometres north-west of San Jose, Alajuela is another essential stop in Costa Rica. Experience the best of this destination with a visit to La Perla Park, Los Duendes Park and Finca El Soto.