Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to San José, San José Province from $166

This is the cheapest one-way 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 3/19. 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

Deals available from 900+ travel sites.

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

These are some of the best round-trip flight deals from St. Louis to San José that have been recently found on momondo from popular airlines, departing in the coming months.
6:47 pm - 10:50 amSTL-SJO
17h 03m2 stops
12:50 am - 5:52 pmSJO-STL
16h 02m1 stop
$274Spirit Airlines
Find Deal
Tue, Apr 1 - Mon, Apr 7
6:11 pm - 11:54 pmSTL-SJO
6h 43m1 stop
12:55 am - 5:16 pmSJO-STL
15h 21m1 stop
$309Spirit Airlines
Find Deal
Tue, Apr 15 - Mon, Apr 21
5:24 pm - 10:25 amSTL-SJO
18h 01m1 stop
5:51 pm - 11:46 pmSJO-STL
28h 55m2 stops
Wed, Mar 26 - Mon, Mar 31
5:06 am - 1:20 pmSTL-SJO
9h 14m1 stop
6:05 am - 10:19 pmSJO-STL
15h 14m1 stop
$428American Airlines
Find Deal
Tue, Apr 1 - Tue, Apr 8
7:13 am - 8:03 pmSTL-SJO
13h 50m2 stops
6:05 am - 10:19 pmSJO-STL
15h 14m1 stop
$432American Airlines
Find Deal
Tue, Apr 1 - Tue, Apr 8
5:55 pm - 12:26 pmSTL-SJO
19h 31m1 stop
11:13 am - 10:15 pmSJO-STL
10h 02m1 stop
$505United Airlines
Find Deal
Wed, Jun 11 - Thu, Jun 19
5:33 pm - 8:55 pmSTL-SJO
28h 22m2 stops
5:30 am - 3:31 pmSJO-STL
33h 01m2 stops
$517United Airlines
Find Deal
Mon, Mar 17 - Mon, Mar 24
7:30 am - 7:40 pmSTL-SJO
13h 10m1 stop
8:45 am - 11:20 pmSJO-STL
13h 35m2 stops
$755Southwest
Find Deal
Sun, Jul 13 - Fri, Jul 18
10:00 am - 7:40 pmSTL-SJO
10h 40m2 stops
8:45 am - 11:20 pmSJO-STL
13h 35m2 stops
$765Southwest
Find Deal
Sun, Jul 13 - Fri, Jul 18
1:06 pm - 9:24 pmSTL-SJO
9h 18m1 stop
7:00 am - 3:24 pmSJO-STL
7h 24m1 stop
$1,083Delta
Find Deal
Mon, Mar 17 - Sat, Mar 22

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
Apr 1
STL6:47 pmLambert-St Louis
17h 03m
2 stops
SJO10:50 amSan José Juan Santamaria Intl
Apr 7
SJO12:50 amSan José Juan Santamaria Intl
16h 02m
1 stop
STL5:52 pmLambert-St Louis
Spirit Airlines
Apr 15
STL6:11 pmLambert-St Louis
6h 43m
1 stop
SJO11:54 pmSan José Juan Santamaria Intl
Apr 21
SJO12:55 amSan José Juan Santamaria Intl
15h 21m
1 stop
STL5:16 pmLambert-St Louis
Spirit Airlines
Apr 10
STL6:11 pmLambert-St Louis
6h 43m
1 stop
SJO11:54 pmSan José Juan Santamaria Intl
Apr 16
SJO12:55 amSan José Juan Santamaria Intl
15h 21m
1 stop
STL5:16 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
Apr 1
STL5:06 amLambert-St Louis
9h 14m
1 stop
SJO1:20 pmSan José Juan Santamaria Intl
Apr 8
SJO6:05 amSan José Juan Santamaria Intl
15h 14m
1 stop
STL10:19 pmLambert-St Louis
American Airlines
Apr 1
STL7:13 amLambert-St Louis
13h 50m
2 stops
SJO8:03 pmSan José Juan Santamaria Intl
Apr 8
SJO6:05 amSan José Juan Santamaria Intl
15h 14m
1 stop
STL10:19 pmLambert-St Louis
American Airlines
Apr 1
STL8:49 amLambert-St Louis
12h 14m
2 stops
SJO8:03 pmSan José Juan Santamaria Intl
Apr 8
SJO6:05 amSan José Juan Santamaria Intl
14h 19m
2 stops
STL9:24 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 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 $467. If you’re not able to fly to San José, San José Province in September, then August is your next best option. Flight prices from St. Louis to San José, San José Province during August average around $508.

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 20 weeks ahead of your departure date. In general, you can expect to find flights to San José, San José Province for around $603 when searching 20 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 $529 on momondo.

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

As of February 2025, prices for St. Louis to San José, San José Province flights are approximately 16% 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

$166

Fastest flight time

6h 43m

Direct flights

None

Airports in San José, San José Province

1 airport
The best one-way flight to San José, San José Province from St. Louis in the past 72 hours is $166. The best round-trip flight deal from St. Louis to San José, San José Province found on momondo in the last 72 hours is $274.
The fastest flight from St. Louis to San José, San José Province takes 6h 43m
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 43m.

  • 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
8,013 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $389Free CancellationRating
7.4
8,766 reviews
Search United Airlines flights
American AirlinesPriceFrom $399Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $408Free CancellationRating
8.0
8,220 reviews
Search Delta flights
SouthwestPriceFrom $533Free CancellationRating
8.1
4,411 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
Alajuela
Monteverde
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?
Tue 2/25
Tue 3/4

Find better results for your trip to Costa Rica