Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from San José to St. Louis from $225

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 7/30. 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.
Multiple Airlines Logo
12:35 pm - 11:19 pm
SJO
-
STL
10h 44m
1 stop
Multiple Airlines Logo
4:51 pm - 10:40 am
STL
-
SJO
18h 49m
1 stop
$281Multiple Airlines
Fri, Mar 6 - Mon, Mar 9
Multiple Airlines Logo
12:35 pm - 11:19 pm
SJO
-
STL
10h 44m
1 stop
Multiple Airlines Logo
2:09 pm - 10:40 am
STL
-
SJO
21h 31m
2 stops
$308Multiple Airlines
Fri, Mar 6 - Mon, Mar 9
Multiple Airlines Logo
12:35 pm - 7:02 am
SJO
-
STL
18h 27m
1 stop
Multiple Airlines Logo
4:51 pm - 10:40 am
STL
-
SJO
18h 49m
1 stop
$322Multiple Airlines
Fri, Mar 6 - Mon, Mar 9
Multiple Airlines Logo
12:35 pm - 7:02 am
SJO
-
STL
18h 27m
1 stop
Multiple Airlines Logo
2:09 pm - 10:40 am
STL
-
SJO
21h 31m
2 stops
$335Multiple Airlines
Fri, Mar 6 - Mon, Mar 9
United Airlines Logo
2:20 pm - 10:36 am
SJO
-
STL
20h 16m
2 stops
United Airlines Logo
7:00 pm - 9:32 pm
STL
-
SJO
27h 32m
2 stops
$347United Airlines
Fri, Mar 6 - Mon, Mar 9
American Airlines Logo
11:24 am - 11:35 pm
SJO
-
STL
12h 11m
2 stops
American Airlines Logo
9:37 am - 7:33 pm
STL
-
SJO
10h 56m
2 stops
$350American Airlines
Fri, Mar 6 - Mon, Mar 9
American Airlines Logo
11:35 pm - 8:54 am
SJO
-
STL
8h 19m
1 stop
American Airlines Logo
3:24 pm - 11:25 am
STL
-
SJO
21h 01m
1 stop
$363American Airlines
Fri, May 1 - Tue, May 12
United Airlines Logo
1:25 pm - 10:28 pm
SJO
-
STL
8h 03m
1 stop
United Airlines Logo
7:45 am - 12:21 pm
STL
-
SJO
29h 36m
2 stops
$364United Airlines
Wed, Apr 22 - Wed, Apr 29
American Airlines Logo
11:35 pm - 5:21 pm
SJO
-
STL
16h 46m
1 stop
American Airlines Logo
11:06 am - 7:07 pm
STL
-
SJO
9h 01m
1 stop
$365American Airlines
Fri, May 1 - Tue, May 12
American Airlines Logo
6:30 am - 11:46 pm
SJO
-
STL
16h 16m
2 stops
American Airlines Logo
7:12 am - 7:07 pm
STL
-
SJO
12h 55m
2 stops
$367American Airlines
Fri, May 1 - Tue, May 12

United Airlines flights from San José to St. Louis

Our best United Airlines deals on San José to St. Louis flight tickets
United Airlines
Mar 6
SJO2:20 pmSan José Juan Santamaria Intl
20h 16m
2 stops
STL10:36 amLambert-St Louis
Mar 9
STL7:00 pmLambert-St Louis
27h 32m
2 stops
SJO9:32 pmSan José Juan Santamaria Intl
$347
United Airlines
Apr 22
SJO1:25 pmSan José Juan Santamaria Intl
8h 03m
1 stop
STL10:28 pmLambert-St Louis
Apr 29
STL7:45 amLambert-St Louis
29h 36m
2 stops
SJO12:21 pmSan José Juan Santamaria Intl
$364
United Airlines
May 27
SJO12:44 pmSan José Juan Santamaria Intl
9h 43m
1 stop
STL11:27 pmLambert-St Louis
Jun 3
STL6:30 pmLambert-St Louis
16h 41m
1 stop
SJO10:11 amSan José Juan Santamaria Intl
$381

American Airlines flights from San José to St. Louis

Our best American Airlines deals on San José to St. Louis flight tickets
American Airlines
Mar 6
SJO11:24 amSan José Juan Santamaria Intl
12h 11m
2 stops
STL11:35 pmLambert-St Louis
Mar 9
STL9:37 amLambert-St Louis
10h 56m
2 stops
SJO7:33 pmSan José Juan Santamaria Intl
$350
American Airlines
May 1
SJO11:35 pmSan José Juan Santamaria Intl
8h 19m
1 stop
STL8:54 amLambert-St Louis
May 12
STL3:24 pmLambert-St Louis
21h 01m
1 stop
SJO11:25 amSan José Juan Santamaria Intl
$363
American Airlines
May 1
SJO11:35 pmSan José Juan Santamaria Intl
16h 46m
1 stop
STL5:21 pmLambert-St Louis
May 12
STL11:06 amLambert-St Louis
9h 01m
1 stop
SJO7:07 pmSan José Juan Santamaria Intl
$365

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 February 11, 2026.
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

Fri 3/6

12:35 pm-11:19 pm

1 stop10h 44m

Lambert-St Louis

Mon 3/9

4:51 pm-10:40 am

1 stop18h 49m

$281

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

Fri 3/6

12:35 pm-11:19 pm

1 stop10h 44m

Lambert-St Louis

Mon 3/9

2:09 pm-10:40 am

2 stops21h 31m

$308

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

Fri 3/6

12:35 pm-7:02 am

1 stop18h 27m

Lambert-St Louis

Mon 3/9

4:51 pm-10:40 am

1 stop18h 49m

$322

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

Fri 3/6

12:35 pm-7:02 am

1 stop18h 27m

Lambert-St Louis

Mon 3/9

2:09 pm-10:40 am

2 stops21h 31m

$335

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

Fri 3/6

2:20 pm-10:36 am

2 stops20h 16m

Lambert-St Louis

Mon 3/9

7:00 pm-9:32 pm

2 stops27h 32m

$347

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

Fri 3/6

11:24 am-11:35 pm

2 stops12h 11m

Lambert-St Louis

Mon 3/9

9:37 am-7:33 pm

2 stops10h 56m

$350

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

Fri 5/1

11:35 pm-8:54 am

1 stop8h 19m

Lambert-St Louis

Tue 5/12

3:24 pm-11:25 am

1 stop21h 01m

$363

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

Wed 4/22

1:25 pm-10:28 pm

1 stop8h 03m

Lambert-St Louis

Wed 4/29

7:45 am-12:21 pm

2 stops29h 36m

$364

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

Fri 5/1

11:35 pm-5:21 pm

1 stop16h 46m

Lambert-St Louis

Tue 5/12

11:06 am-7:07 pm

1 stop9h 01m

$365

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

Fri 5/1

6:30 am-11:46 pm

2 stops16h 16m

Lambert-St Louis

Tue 5/12

7:12 am-7:07 pm

2 stops12h 55m

$367

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, October 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 $336. The month of September is another great option to travel to St. Louis, with average flight prices from San José averaging around $362.

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

As of February 2026, prices for San José to St. Louis flights are approximately 12% 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

Fastest flight time

7h 54m

Direct flights

None
The fastest flight from San José to St. Louis takes 7h 54m
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 7h 54m 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
11,267 reviews
Search American Airlines flights
United AirlinesPriceFrom $306Free CancellationRating
7.4
9,276 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
Maryland Heights
Florissant
O'Fallon
Collinsville
St. Peters
Fenton
Wentzville
Alton
Farmington
Clayton
Edwardsville
Eureka
Festus
Litchfield
Glencoe
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
Fri 3/13
Fri 3/20
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States