STL - SJO

$203 Find Cheap Flights from St. Louis to San José - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$418
Typical prices: $478-$759
American Airlines
Sun 10/14Sun 10/21
STL - SJO • 1 stop
Cheapest one-way
$201
Typical prices: $220-$378
American Airlines
Tue 1/23
STL - SJO • 1 stop
Nonstop flights
Not available
There are currently no direct flights between St. Louis and San José. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
25 weeks
in advance
Our data shows that travelers who book at least 25 weeks in advance save around 18% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 29% price drop
April
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Charlotte Douglas (CLT)
Cheapest • Avg $572 (round-trip)
Houston Hobby (HOU)
Shortest trip • 7h 41m (one-way)
Insights
Insights
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We hope you love your trip to San José!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from St. Louis to San José (STL-SJO)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to San José

Wed, Oct 14 - Wed, Oct 21
American Airlines Logo
6:32 am - 2:00 pmSTL  Lambert-St Louis-SJO San José Juan Santamaria Intl
8h 28m1 stop Dallas/Fort Worth
American Airlines Logo
1:00 pm - 11:42 pmSJO  San José Juan Santamaria Intl-STL Lambert-St Louis
9h 42m1 stop Dallas/Fort Worth
$418American Airlines
Wed, Oct 14 - Wed, Oct 21
American Airlines Logo
5:40 am - 2:00 pmSTL  Lambert-St Louis-SJO San José Juan Santamaria Intl
9h 20m1 stop Dallas/Fort Worth
American Airlines Logo
6:00 am - 11:59 pmSJO  San José Juan Santamaria Intl-STL Lambert-St Louis
16h 59m2 stops Miami Charlotte Douglas
$423American Airlines
Mon, Oct 19 - Sat, Oct 24
Multiple Airlines Logo
6:35 pm - 7:55 amSTL  Lambert-St Louis-SJO San José Juan Santamaria Intl
38h 20m2 stops Atlanta Hartsfield-Jackson Tampa
Multiple Airlines Logo
9:45 am - 11:13 pmSJO  San José Juan Santamaria Intl-STL Lambert-St Louis
12h 28m1 stop Orlando
$487Multiple Airlines
Mon, Oct 19 - Fri, Oct 23
Southwest Logo
5:25 am - 7:40 pmSTL  Lambert-St Louis-SJO San José Juan Santamaria Intl
15h 15m2 stops Chicago Midway Houston Hobby
Southwest Logo
1:30 pm - 10:30 pmSJO  San José Juan Santamaria Intl-STL Lambert-St Louis
8h 00m1 stop Houston Hobby
$490Southwest
Mon, Oct 19 - Fri, Oct 23
Southwest Logo
5:25 am - 7:40 pmSTL  Lambert-St Louis-SJO San José Juan Santamaria Intl
15h 15m2 stops Chicago Midway Houston Hobby
Southwest Logo
1:30 pm - 12:40 amSJO  San José Juan Santamaria Intl-STL Lambert-St Louis
10h 10m2 stops Houston Hobby Dallas Love Field
$505Southwest
Thu, Jan 7 - Sun, Jan 17
GOL Logo
6:00 am - 9:04 pmSTL  Lambert-St Louis-SJO San José Juan Santamaria Intl
15h 04m2 stops New York LaGuardia Miami
GOL Logo
6:30 am - 2:53 pmSJO  San José Juan Santamaria Intl-STL Lambert-St Louis
8h 23m1 stop Dallas/Fort Worth
$517GOL
Wed, Jan 20 - Fri, Jan 22
Delta Logo
9:00 am - 10:05 pmSTL  Lambert-St Louis-SJO San José Juan Santamaria Intl
13h 05m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:05 am - 11:39 pmSJO  San José Juan Santamaria Intl-STL Lambert-St Louis
16h 34m1 stop Atlanta Hartsfield-Jackson
$532Delta
Wed, Jan 20 - Thu, Jan 28
Delta Logo
7:20 am - 10:05 pmSTL  Lambert-St Louis-SJO San José Juan Santamaria Intl
14h 45m1 stop Atlanta Hartsfield-Jackson
Delta Logo
2:10 pm - 11:39 pmSJO  San José Juan Santamaria Intl-STL Lambert-St Louis
9h 29m1 stop Atlanta Hartsfield-Jackson
$532Delta
Mon, Oct 19 - Sat, Oct 24
Multiple Airlines Logo
4:30 pm - 3:11 pmSTL  Lambert-St Louis-SJO San José Juan Santamaria Intl
23h 41m1 stop Orlando
Multiple Airlines Logo
9:45 am - 11:13 pmSJO  San José Juan Santamaria Intl-STL Lambert-St Louis
12h 28m1 stop Orlando
$554Multiple Airlines
Sat, Oct 10 - Sat, Oct 17
GOL Logo
3:20 pm - 12:00 pmSTL  Lambert-St Louis-SJO San José Juan Santamaria Intl
21h 40m2 stops Dallas/Fort Worth Miami
GOL Logo
3:01 pm - 10:51 amSJO  San José Juan Santamaria Intl-STL Lambert-St Louis
18h 50m2 stops Miami Chicago O'Hare Intl
$600GOL
Booking Insights

Price, demand and travel trends for St. Louis to San José flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from St. Louis to San José with more confidence.

How much is a round-trip flight from St. Louis to San José?

Round-trip flights from St. Louis to San José start at $418. Prices are below average for this route right now, with typical round-trip fares ranging from $478 to $759. The lowest price found in the past 5 days was $418 on American Airlines.

What's the cheapest day of the week to fly from St. Louis to San José?

Wednesday is the cheapest day of the week to fly from St. Louis to San José, it is 7% cheaper than the average day. Friday is the most expensive day with flight prices 28% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from St. Louis to San José?

  • January is the cheapest month to fly from St. Louis to San José at $417 round-trip.
  • December ($1,004) and June ($690) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 140% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from St. Louis to San José the cheapest?

Flights from St. Louis to San José are cheapest 25 weeks before departure. Booking in this window typically costs about 18% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for St. Louis to San José flights

Low season

October

Cheapest flight

$201
Best time to beat the crowds with an average 25% drop in price.
Most popular time to fly and prices are also 9% lower on average.
Flight from St. Louis to San José

When to book flights from St. Louis to San José

Are your dates flexible? Find out the best times to travel from St. Louis to San José based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your St. Louis to San José flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from St. Louis to San José?

    Flights from St. Louis to San José usually depart from Lambert-St Louis (STL) and arrive at San José Juan Santamaria Intl (SJO).

  • What cabin classes can I book on flights from St. Louis to San José?

    Two cabin classes are available on flights from St. Louis to San José:

    • Economy Class
    • First Class

  • Which airports do connecting flights from St. Louis to San José pass through?

    One-stop flights from St. Louis to San José most commonly connect through:

    • Houston George Bush Intcntl (IAH) - 37% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 20% of one-stop connections
    • Dallas/Fort Worth (DFW) - 13% of one-stop connections
    • Miami (MIA) - 10% of one-stop connections

    Houston George Bush Intcntl (IAH) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from St. Louis to San José?

    Yes. Being flexible with your travel dates can save you up to 28% on the St. Louis to San José route. Wednesday is the cheapest departure day at $545 round-trip on average, while Friday is the most expensive at $751, a difference of $206. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in San José?

    Some of the most popular sights in San José are Parque Metropolitano La Sabana, Barrio Amón and Estadio Nacional de Costa Rica. These are among the most viewed places in San José on KAYAK.

  • How expensive are last-minute St. Louis to San José flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 4% below the route average of $585. Booking late can sometimes save money on this route, but inventory is limited.

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

    A nonstop flight from St. Louis to San José takes 0h 00m, covering 2,022 miles.

  • Do I need a passport to fly from St. Louis to San José?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from St. Louis to San José changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $418 to $2,575. That means the highest observed fare was about 6x higher than the lowest one.

  • How are flight prices from St. Louis to San José looking right now?

    One-way fares from St. Louis to San José are currently in line with typical prices for this route. Average one-way fares are about $259.

  • How much time can I save by choosing a different layover airport from St. Louis to San José?

    Flying via Houston Hobby (HOU) gives the shortest average 1-stop total travel time at 7h 41m, compared with 8h 00m via Atlanta Hartsfield-Jackson (ATL) and 8h 02m via Houston George Bush Intcntl (IAH).

  • What is the time difference between St. Louis and San José?

    San José is 1 hour behind St. Louis (Central Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at San José Juan Santamaria Intl Airport (SJO)?

    San José Juan Santamaria Intl Airport (SJO) hosts 5 major car rental companies, with daily rates starting from around $1 for economy cars. Top options include:
    · Budget
    · Avis
    · Priceless
    · Routes Car & Truck Rentals
    · Payless

  • How much should I expect to pay for a St. Louis to San José flight?

    Round-trip flights from St. Louis to San José range from $478 to $759, with an average of $585 over the past 12 months. Anything below $478 counts as a good deal.

Your guide to booking St. Louis to San José flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Friday. On this route, Wednesday flights average $545 - about $206 less than Friday (27% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 25 weeks before you fly. On this route, that window historically saves about 18% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your St. Louis to San José trip for January. Fares historically average $417 round-trip in that month - typically $587 less than the most expensive month, which is December (based on the last 12 months).

More options for your flight from St. Louis to San José

Complete your trip to San José with a hotel stay or car rental

Car rentals in San José
Hotels in San José
Vacations in San José