Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from San José to St. Louis from $197

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San José to St. Louis departing on 10/22. 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.
Search flight deals

Find the cheapest flights from San José to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:28 pm - 10:52 amSJO-STL
11h 24m1 stop
United Airlines Logo
8:20 am - 8:39 pmSTL-SJO
12h 19m1 stop
$348United Airlines
Find Deal
mar., nov. 11 - mar., nov. 18
American Airlines Logo
8:05 am - 9:40 pmSJO-STL
13h 35m1 stop
American Airlines Logo
5:19 am - 9:35 pmSTL-SJO
16h 16m1 stop
$357American Airlines
Find Deal
jue., feb. 26 - lun., mar. 2
American Airlines Logo
1:11 pm - 10:37 amSJO-STL
21h 26m1 stop
American Airlines Logo
6:00 am - 10:13 pmSTL-SJO
16h 13m1 stop
$367American Airlines
Find Deal
jue., nov. 20 - dom., nov. 30
United Airlines Logo
12:35 pm - 10:39 amSJO-STL
22h 04m1 stop
United Airlines Logo
10:00 am - 10:00 pmSTL-SJO
12h 00m2 stops
$390United Airlines
Find Deal
dom., nov. 9 - sáb., nov. 15
Alaska Airlines Logo
2:26 am - 11:56 pmSJO-STL
21h 30m2 stops
Alaska Airlines Logo
2:55 pm - 11:00 pmSTL-SJO
32h 05m2 stops
$722Alaska Airlines
Find Deal
mié., feb. 25 - lun., mar. 2
Alaska Airlines Logo
2:26 am - 11:56 pmSJO-STL
21h 30m2 stops
Alaska Airlines Logo
2:55 pm - 11:00 pmSTL-SJO
32h 05m2 stops
$733Alaska Airlines
Find Deal
mié., feb. 25 - lun., mar. 2
Spirit Airlines Logo
1:31 pm - 10:56 amSJO-STL
21h 25m1 stop
Spirit Airlines Logo
2:48 pm - 12:21 amSTL-SJO
9h 33m1 stop
$784Spirit Airlines
Find Deal
sáb., ene. 3 - sáb., ene. 10
Spirit Airlines Logo
1:31 pm - 10:56 amSJO-STL
21h 25m1 stop
Spirit Airlines Logo
2:48 pm - 12:21 amSTL-SJO
9h 33m1 stop
$865Spirit Airlines
Find Deal
sáb., ene. 3 - sáb., ene. 10
Copa Airlines Logo
4:08 am - 7:39 pmSJO-STL
15h 31m2 stops
Copa Airlines Logo
8:25 am - 7:33 amSTL-SJO
23h 08m2 stops
$904Copa Airlines
Find Deal
sáb., nov. 8 - sáb., nov. 15
Copa Airlines Logo
4:09 am - 7:25 pmSJO-STL
15h 16m2 stops
Copa Airlines Logo
7:41 am - 9:53 pmSTL-SJO
14h 12m2 stops
$1,128Copa Airlines
Find Deal
lun., mar. 2 - mié., mar. 4

United Airlines flights from San José to St. Louis

Our best United Airlines deals on San José to St. Louis flight tickets
United Airlines
Nov 11
SJO11:28 pmSan José Juan Santamaria Intl
11h 24m
1 stop
STL10:52 amLambert-St Louis
Nov 18
STL8:20 amLambert-St Louis
12h 19m
1 stop
SJO8:39 pmSan José Juan Santamaria Intl
$348
Find similar
United Airlines
Nov 9
SJO12:35 pmSan José Juan Santamaria Intl
22h 04m
1 stop
STL10:39 amLambert-St Louis
Nov 15
STL10:00 amLambert-St Louis
12h 00m
2 stops
SJO10:00 pmSan José Juan Santamaria Intl
$390
Find similar
United Airlines
Feb 26
SJO2:05 pmSan José Juan Santamaria Intl
8h 51m
1 stop
STL10:56 pmLambert-St Louis
Mar 2
STL7:41 amLambert-St Louis
29h 34m
2 stops
SJO1:15 pmSan José Juan Santamaria Intl
$413
Find similar

American Airlines flights from San José to St. Louis

Our best American Airlines deals on San José to St. Louis flight tickets
American Airlines
Feb 26
SJO8:05 amSan José Juan Santamaria Intl
13h 35m
1 stop
STL9:40 pmLambert-St Louis
Mar 2
STL5:19 amLambert-St Louis
16h 16m
1 stop
SJO9:35 pmSan José Juan Santamaria Intl
$357
Find similar
American Airlines
Nov 20
SJO1:11 pmSan José Juan Santamaria Intl
21h 26m
1 stop
STL10:37 amLambert-St Louis
Nov 30
STL6:00 amLambert-St Louis
16h 13m
1 stop
SJO10:13 pmSan José Juan Santamaria Intl
$367
Find similar
American Airlines
Nov 20
SJO7:00 amSan José Juan Santamaria Intl
10h 49m
1 stop
STL5:49 pmLambert-St Louis
Nov 30
STL6:00 amLambert-St Louis
16h 13m
1 stop
SJO10:13 pmSan José Juan Santamaria Intl
$368
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San José to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated octubre 16, 2025.
Use the filters below to find and compare flights from San José to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

mar. 11/11

11:28 pm-10:52 am

1 stop11h 24m

Lambert-St Louis

mar. 11/18

8:20 am-8:39 pm

1 stop12h 19m

$348

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

jue. 2/26

8:05 am-9:40 pm

1 stop13h 35m

Lambert-St Louis

lun. 3/2

5:19 am-9:35 pm

1 stop16h 16m

$357

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

jue. 11/20

1:11 pm-10:37 am

1 stop21h 26m

Lambert-St Louis

dom. 11/30

6:00 am-10:13 pm

1 stop16h 13m

$367

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

dom. 11/9

12:35 pm-10:39 am

1 stop22h 04m

Lambert-St Louis

sáb. 11/15

10:00 am-10:00 pm

2 stops12h 00m

$390

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

mié. 2/25

2:26 am-11:56 pm

2 stops21h 30m

Lambert-St Louis

lun. 3/2

2:55 pm-11:00 pm

2 stops32h 05m

$722

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

mié. 2/25

2:26 am-11:56 pm

2 stops21h 30m

Lambert-St Louis

lun. 3/2

2:55 pm-11:00 pm

2 stops32h 05m

$733

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

sáb. 1/3

1:31 pm-10:56 am

1 stop21h 25m

Lambert-St Louis

sáb. 1/10

2:48 pm-12:21 am

1 stop9h 33m

$784

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

sáb. 1/3

1:31 pm-10:56 am

1 stop21h 25m

Lambert-St Louis

sáb. 1/10

2:48 pm-12:21 am

1 stop9h 33m

$865

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

sáb. 11/8

4:08 am-7:39 pm

2 stops15h 31m

Lambert-St Louis

sáb. 11/15

8:25 am-7:33 am

2 stops23h 08m

$904

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

lun. 3/2

4:09 am-7:25 pm

2 stops15h 16m

Lambert-St Louis

mié. 3/4

7:41 am-9:53 pm

2 stops14h 12m

$1,128

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to St. Louis from

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

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 San José and St. Louis?

What is the cheapest month to fly to St. Louis?

In general, January is the cheapest month to fly from San José to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $365. The month of August is another great option to travel to St. Louis, with average flight prices from San José averaging around $391.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Tuesday when prices can be found for as low as $420. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $690. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from San José in the morning is the least expensive time of day to depart. momondo users have found prices as low as $479 when looking at flights departing in the morning. In the afternoon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $561 per ticket.

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

As of October 2025, prices for San José to St. Louis flights are approximately 37% more expensive when compared to flights at the same time last year.

When to book flights from San José to St. Louis

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

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

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

Direct flights

None
There are no direct flights from San José to St. Louis. There are no popular flight routes from San José to St. Louis.
Search flight deals

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

    The straight-line distance from San José Juan Santamaria Intl to Lambert-St Louis is 2016.9 mi. Typically, this will take 8h 51m by plane in normal conditions.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San José Juan Santamaria Intl Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from San José to St. Louis

Compare and see reviews for airlines that fly from San José to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $274Free CancellationRating
7.2
11,043 reviews
Search American Airlines flights
United AirlinesPriceFrom $328Free CancellationRating
7.4
8,982 reviews
Search United Airlines flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Florissant
Maryland Heights
O'Fallon
Wentzville
Collinsville
Fenton
St. Peters
Alton
Farmington
Festus
Glencoe
Clayton
Edwardsville
Eureka
Litchfield
Shrewsbury

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San José to St. Louis for you.

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

Yes. momondo allows you to filter the results for San José to St. Louis flights to just show those with flexible booking policies.

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

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 San José to St. Louis.

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

Price alerts on flights to St. Louis from San José are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your St. Louis 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
sáb. 11/15
sáb. 11/22
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States