Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to San José, San José Province from $291

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to San José, San José Province departing on 5/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from St. Louis to San José

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from St. Louis to San José.
10:10 am - 11:33 amSTL-SJO
26h 23m1 stop
12:28 pm - 9:15 amSJO-STL
19h 47m1 stop
$291Spirit Airlines
Find Deal
Sat, May 10 - Wed, May 14
5:47 pm - 10:27 amSTL-SJO
17h 40m1 stop
11:32 am - 12:06 amSJO-STL
11h 34m1 stop
Tue, May 6 - Thu, May 15
5:32 am - 10:04 pmSTL-SJO
17h 32m1 stop
11:59 pm - 4:39 pmSJO-STL
15h 40m1 stop
$342American Airlines
Find Deal
Tue, Jun 10 - Wed, Jun 18
10:31 am - 10:17 pmSTL-SJO
12h 46m2 stops
6:03 am - 9:26 pmSJO-STL
14h 23m2 stops
$343American Airlines
Find Deal
Tue, May 6 - Thu, May 15
6:00 am - 12:00 pmSTL-SJO
7h 00m1 stop
1:25 pm - 11:42 pmSJO-STL
9h 17m1 stop
$382Delta
Find Deal
Tue, Jun 10 - Tue, Jun 17
6:00 am - 12:00 pmSTL-SJO
7h 00m1 stop
1:25 pm - 11:42 pmSJO-STL
9h 17m1 stop
$387Delta
Find Deal
Tue, Jun 10 - Wed, Jun 18
5:55 pm - 10:11 amSTL-SJO
17h 16m1 stop
7:55 am - 10:15 pmSJO-STL
13h 20m1 stop
$432United Airlines
Find Deal
Sun, Jun 15 - Wed, Jun 18
5:27 pm - 10:11 amSTL-SJO
17h 44m2 stops
5:30 am - 4:53 pmSJO-STL
10h 23m1 stop
$436United Airlines
Find Deal
Tue, Jun 10 - Wed, Jun 18
7:05 am - 7:40 pmSTL-SJO
13h 35m2 stops
8:45 am - 8:45 pmSJO-STL
11h 00m2 stops
$650Southwest
Find Deal
Thu, Jun 12 - Thu, Jun 19
8:20 am - 7:40 pmSTL-SJO
12h 20m2 stops
8:45 am - 8:45 pmSJO-STL
11h 00m2 stops
$652Southwest
Find Deal
Thu, Jun 12 - Thu, Jun 19

Spirit Airlines flights from St. Louis to San José, San José Province

Our best Spirit Airlines deals on St. Louis to San José, San José Province flight tickets
Spirit Airlines
May 10
STL10:10 amLambert-St Louis
26h 23m
1 stop
SJO11:33 amSan José Juan Santamaria Intl
May 14
SJO12:28 pmSan José Juan Santamaria Intl
19h 47m
1 stop
STL9:15 amLambert-St Louis
Spirit Airlines
May 10
STL10:10 amLambert-St Louis
26h 23m
1 stop
SJO11:33 amSan José Juan Santamaria Intl
May 14
SJO11:32 amSan José Juan Santamaria Intl
20h 43m
2 stops
STL9:15 amLambert-St Louis
Spirit Airlines
Apr 1
STL6:47 pmLambert-St Louis
17h 34m
1 stop
SJO11:21 amSan José Juan Santamaria Intl
Apr 7
SJO12:50 amSan José Juan Santamaria Intl
16h 02m
1 stop
STL5:52 pmLambert-St Louis

American Airlines flights from St. Louis to San José, San José Province

Our best American Airlines deals on St. Louis to San José, San José Province flight tickets
American Airlines
Jun 10
STL5:32 amLambert-St Louis
17h 32m
1 stop
SJO10:04 pmSan José Juan Santamaria Intl
Jun 18
SJO11:59 pmSan José Juan Santamaria Intl
15h 40m
1 stop
STL4:39 pmLambert-St Louis
American Airlines
May 6
STL10:31 amLambert-St Louis
12h 46m
2 stops
SJO10:17 pmSan José Juan Santamaria Intl
May 15
SJO6:03 amSan José Juan Santamaria Intl
14h 23m
2 stops
STL9:26 pmLambert-St Louis
American Airlines
Jun 10
STL9:56 amLambert-St Louis
11h 13m
2 stops
SJO8:09 pmSan José Juan Santamaria Intl
Jun 18
SJO6:18 amSan José Juan Santamaria Intl
11h 38m
2 stops
STL6:56 pmLambert-St Louis

See travel insights to San José from

How to get the cheapest flight ticket from St. Louis to San José, San José Province

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between St. Louis and San José, San José Province?

What is the cheapest month to fly to San José, San José Province?

The month of September is, on average, the cheapest month to fly to San José, San José Province from St. Louis, with most prices found around $472. If you’re not able to fly to San José, San José Province in September, then May is your next best option. Flight prices from St. Louis to San José, San José Province during May average around $507.

What is the cheapest day to depart on your flight to San José, San José Province?

The cheapest day to depart from St. Louis to San José, San José Province is on a Tuesday when prices can be found for as low as $519. The most expensive day to fly to San José, San José Province is Saturday, with ticket prices averaging around $687.

What is the cheapest time of day to depart on your flight to San José, San José Province?

In the evening is the cheapest time of day to fly from St. Louis to San José, San José Province when you can find flight prices for as low as $427. Flying to San José, San José Province in the evening is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to San José, San José Province, so prices are often more expensive at around $604 per ticket.

How far in advance should I book a flight to San José, San José Province?

You are more likely to see cheaper flights to San José, San José Province from St. Louis when booking 16 weeks ahead of your departure date. In general, you can expect to find flights to San José, San José Province for around $600 when searching 16 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San José, San José Province from St. Louis for as low as $509 on momondo.

How have St. Louis to San José, San José Province flight prices changed over time?

As of March 2025, prices for St. Louis to San José, San José Province flights are approximately 1% more expensive when compared to flights at the same time last year.

When to book flights from St. Louis to San José, San José Province

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to San José, San José Province according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to San José, San José Province (STL to SJO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to San José, San José Province

Best Price Found

$291

Fastest flight time

6h 45m

Direct flights

None

Airports in San José, San José Province

1 airport
The best flight deal from St. Louis to San José, San José Province found on momondo in the last 72 hours is $291
The fastest flight from St. Louis to San José, San José Province takes 6h 45m
There are no direct flights from St. Louis to San José, San José Province. Popular non-direct route for this connection is Lambert-St Louis Airport - San José Juan Santamaria Intl Airport.
There is 1 airport near San José, San José Province: San José Juan Santamaria Intl (SJO)

  • How far is Lambert-St Louis to San José Juan Santamaria Intl by plane?

    Lambert-St Louis and San José Juan Santamaria Intl are 2016.9 mi apart from one another. In terms of flight time, this usually takes a little over 6h 45m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to San José Juan Santamaria Intl Airport?

    Prices for flights from Lambert-St Louis Airport to San José Juan Santamaria Intl Airport are updated daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to San José Juan Santamaria Intl Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to San José Juan Santamaria Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to San José Juan Santamaria Intl Airport.

  • What documentation or ID do you need to fly to San José Juan Santamaria Intl Airport?

    The travel and health documents you'll need for your trip to San José Juan Santamaria Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San José Juan Santamaria Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to San José, San José Province?


Best airlines flying from St. Louis to San José, San José Province

Compare and see reviews for airlines that fly from St. Louis to San José, San José Province with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $246Free CancellationRating
6.3
7,881 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $389Free CancellationRating
7.4
8,603 reviews
Search United Airlines flights
American AirlinesPriceFrom $391Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $427Free CancellationRating
8.0
7,895 reviews
Search Delta flights
SouthwestPriceFrom $443Free CancellationRating
8.0
4,273 reviews
Search Southwest flights

Traveling to a place near San José?

Book flights to San José if you plan to visit one of these locations
Manuel Antonio
Jacó
Monteverde
Alajuela
Heredia
Dominical
Santa Elena
Esterillos Este
San Lorenzo

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to San José?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to San José. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from St. Louis to San José with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San José from St. Louis with this policy.

How can momondo help me find flights from St. Louis to San José?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to San José.

I’m not ready to book a flight from St. Louis to San José right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San José, momondo offers a useful price alert feature which will track prices for flights to San José from St. Louis and alert you when they change.


An easier way to manage your San José, San José Province trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Wed 4/2
Wed 4/9

Find better results for your trip to Costa Rica