What are the cheapest airlines flying from San José, San José Province to St. Louis round-trip?

Currently priced at $428, American Airlines will fly you from San José, San José Province to St. Louis and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Alaska Airlines - these airlines can fly you to your destination from $429 and $969, respectively. Users have found that American Airlines is 14% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from San José, San José Province to St. Louis one-way?

The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $284. However, be on the lookout for offers from Delta and Copa Airlines, as they are both options that can get you from San José, San José Province to St. Louis for a low price.

What is the cheapest day to fly from San José, San José Province to St. Louis?

Travelers seeking maximum savings on their San José, San José Province to St. Louis flight should consider departing on Tuesday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from San José, San José Province to St. Louis?

When booking a flight from San José, San José Province to St. Louis, you may want to consider flying on American Airlines, Delta or United Airlines as they are the most popular for this route.

What is the cheapest day to fly round-trip from San José, San José Province to St. Louis?

Monday is generally a great day to depart. Flying on this day could help you save up to 64%.

How far in advance should I book a flight from San José, San José Province to St. Louis?

Users have found that booking a flight from San José, San José Province to St. Louis at least 32 days early can save you up to 141% on average compared to booking a flight this week. If booking 32 days before your flight isn’t an option for you, users have found flights from San José, San José Province to St. Louis for as little as $341 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $537 for flights departing within the next 3 days.

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

July can be a great time to fly to St. Louis from San José, San José Province with a flight ticket averaging about $498. Cheapflights users have found deals in the month of July for as cheap as $215. The most expensive prices can be found in the month of March.

Most accurate provider : When it comes to deals on San José, San José Province-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San José, San José Province-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San José, San José Province-St. Louis flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on San José, San José Province-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San José, San José Province-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from San José to St. Louis that include hotel bookings?

Yes. In addition to deals on San José to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from San José to St. Louis?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San José to St. Louis.

Can I find deals for business class flights from San José to St. Louis?

Yes. Cheapflights offers flight deals from San José to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$284+ Save on Flights from San José to St. Louis

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The best prices from San José Juan Santamaria Intl to Lambert-St Louis are usually found in July or February, booked 33 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

Cheap flight deals from San José to St. Louis

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$428 (American Airlines)
One-way from	$284 (United Airlines)
Popular in	March
Cheapest in	July
Average price	$444

Provider with most accurate pricing for San José Juan Santamaria Intl-Lambert-St Louis flight deals.

Search Deals

Provider most trusted by Cheapflights users for San José Juan Santamaria Intl-Lambert-St Louis flights.

Search Deals

From San José Juan Santamaria Intl to Lambert-St Louis

Search Deals

One-way flight from San José Juan Santamaria Intl to Lambert-St Louis

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($59 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in February 2025

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Find flight deals from San José to St. Louis

Cheapest flights from San José to St. Louis
Explore the most affordable flight options available from San José to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2025.

Mon 10/272:45 pmSJO - STL

1 stop16h 23mAmerican Airlines

Thu 11/611:56 amSTL - SJO

1 stop11h 04mAmerican Airlines

Deal found 2/21

$459

Fri 7/255:30 amSJO - STL

2 stops28h 15mUnited Airlines

Thu 7/311:10 pmSTL - SJO

2 stops24h 16mUnited Airlines

Deal found 2/20

$461

Fri 3/2112:50 amSJO - STL

2 stops21h 59mMultiple Airlines

Sat 3/295:24 pmSTL - SJO

1 stop18h 26mMultiple Airlines

Deal found 2/20

$545

Tue 5/201:06 amSJO - STL

2 stops21h 58mAlaska Airlines

Wed 5/287:00 amSTL - SJO

2 stops17h 46mAlaska Airlines

Deal found 2/21

$969

Mon 12/19:00 amSJO - STL

2 stops30h 26mAir Canada

Sat 12/134:15 pmSTL - SJO

2 stops29h 30mAir Canada

Deal found 2/21

$1,523

Best flights from San José to St. Louis
Discover carefully curated flight deals from San José to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 22, 2025.

Thu 4/2411:59 pmSJO - STL

1 stop8h 02mAmerican Airlines

Mon 4/283:44 pmSTL - SJO

1 stop7h 20mAmerican Airlines

Deal found 2/21

$428

Wed 5/211:30 pmSJO - STL

1 stop7h 33mUnited Airlines

Wed 5/285:55 pmSTL - SJO

1 stop17h 16mUnited Airlines

Deal found 2/21

$429

Fri 3/2112:50 amSJO - STL

2 stops21h 59mMultiple Airlines

Sat 3/295:24 pmSTL - SJO

1 stop18h 26mMultiple Airlines

Deal found 2/20

$545

Tue 5/201:06 amSJO - STL

2 stops21h 58mAlaska Airlines

Wed 5/287:00 amSTL - SJO

2 stops17h 46mAlaska Airlines

Deal found 2/21

$969

Last-minute flights from San José to St. Louis
Discover last-minute flight deals from San José to St. Louis. Data last updated February 22, 2025 and is based on user searches.

Fri 3/2112:50 amSJO - STL

2 stops21h 59mMultiple Airlines

Sat 3/295:24 pmSTL - SJO

1 stop18h 26mMultiple Airlines

Deal found 2/20

$545

Fri 3/211:22 amSJO - STL

2 stops45h 37mAlaska Airlines

Sat 3/293:11 pmSTL - SJO

2 stops34h 01mAlaska Airlines

Deal found 2/20

$1,147

One-way flights from San José to St. Louis
Search for one-way flight options from San José to St. Louis. Find affordable one-way fares based on user searches. Data last updated February 22, 2025.

Fri 7/255:30 amSJO - STL

1 stop28h 09mUnited Airlines

Deal found 2/20

$284

Sat 3/12:19 pmSJO - STL

1 stop9h 17mDelta

Deal found 2/21

$373

Fri 2/284:09 amSJO - STL

2 stops15h 06mCopa Airlines

Deal found 2/21

$655

Thu 7/101:26 amSJO - STL

2 stops45h 30mAlaska Airlines

Deal found 2/21

$680

Fri 7/251:41 pmSJO - STL

3 stops27h 51mSpirit Airlines

Deal found 2/20

$901

Fri 7/115:05 amSJO - STL

3 stops30h 15mMultiple Airlines

Deal found 2/21

$910

Find flights from San José to St. Louis within your budget

Fly from

Fly to

Route

Depart

Return

Price

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

Fri 3/21

12:50 am-11:49 pm

2 stops21h 59m

Lambert-St Louis

Sat 3/29

5:24 pm-10:50 am

1 stop18h 26m

$545

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

Tue 5/20

1:06 am-12:04 am

2 stops21h 58m

Lambert-St Louis

Wed 5/28

7:00 am-11:46 pm

2 stops17h 46m

$969

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

Sat 3/1

2:19 pm-11:36 pm

1 stop9h 17m

$373

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

Sat 3/1

11:28 pm-2:39 pm

2 stops15h 11m

$388

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

Fri 2/28

4:09 am-7:15 pm

2 stops15h 06m

$655

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

Fri 2/28

1:26 am-10:14 pm

3 stops20h 48m

$1,190

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Compare providers for flights from San José to St. Louis

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San José to St. Louis in February.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
Expedia	Price Accuracy1 star	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on San José, San José Province-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San José, San José Province-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San José, San José Province-St. Louis flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on San José, San José Province-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San José, San José Province-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San José to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from San José with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from San José to St. Louis

Get recent, data-driven insights about flights from San José to St. Louis including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from San José, San José Province to St. Louis?

To ensure you get the cheapest price possible for a flight from San José, San José Province to St. Louis, you should look to book at least 31 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from San José, San José Province to St. Louis?

Currently, August is the cheapest month in which you can book a flight from San José, San José Province to St. Louis (average of $311). Flying from San José, San José Province to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SJO to STL?

A simple way to save on the total cost of your ticket is to fly from San José, San José Province to St. Louis in the morning. If you’re flexible enough to do this you can expect to save up to 15% on your trip compared to booking a flight in the afternoon.

Rainfall in St. Louis by month

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Alaska Airlines

8.0

Very good

9,700 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines

8.0

Very good

9,700 reviews

Alaska Airlines

8.0

Very good

9,700 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta

8.0

Very good

8,212 reviews

Alaska Airlines

8.0

Very good

9,700 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Copa Airlines

7.6

Good

1,502 reviews

Alaska Airlines

8.0

Very good

9,700 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines

7.4

Good

8,759 reviews

Alaska Airlines

8.0

Very good

9,700 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,700 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

What are the cheapest airlines flying from San José, San José Province to St. Louis round-trip?
Currently priced at $428, American Airlines will fly you from San José, San José Province to St. Louis and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Alaska Airlines - these airlines can fly you to your destination from $429 and $969, respectively. Users have found that American Airlines is 14% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from San José, San José Province to St. Louis one-way?
The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $284. However, be on the lookout for offers from Delta and Copa Airlines, as they are both options that can get you from San José, San José Province to St. Louis for a low price.
Can I find deals for flights from San José to St. Louis that include hotel bookings?
Yes. In addition to deals on San José to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San José to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San José to St. Louis.
Can I find deals for business class flights from San José to St. Louis?
Yes. Cheapflights offers flight deals from San José to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from San José, San José Province to St. Louis?
Currently, August is the cheapest month in which you can book a flight from San José, San José Province to St. Louis (average of $311). Flying from San José, San José Province to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 3 airlines flying from San José to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$335	Average$475	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$342	Average$424	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$344	Average$573	FlexibilityNo cancel fee	On-timeN/A

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$284+ Cheap flights from San José (SJO) to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/25. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San José to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

The best prices from San José Juan Santamaria Intl to Lambert-St Louis are usually found in July or February, booked 33 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

Cheap flight deals from San José to St. Louis

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from San José to St. Louis

Cheapest flights from San José to St. LouisExplore the most affordable flight options available from San José to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2025.

Explore the most affordable flight options available from San José to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2025.

Find flights from San José to St. Louis within your budget

Compare providers for flights from San José to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San José to St. Louis in February.

Best time to book a flight from San José to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from San José with our price prediction graph.

Travel insights for flights from San José to St. Louis

Get recent, data-driven insights about flights from San José to St. Louis including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from San José, San José Province to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from San José to St. Louis. Price data was last updated on February 14, 2025.

What is the cheapest month to book a flight from San José, San José Province to St. Louis?

What is the cheapest time of day to fly from SJO to STL?

Find hourly flight availability from San José to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 22, 2025.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

Reviews of airlines servicing St. Louis

Related info for your journey

Find useful and relevant information for your journey from San José to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from San José, San José Province to St. Louis round-trip?

What are the cheapest airlines to fly from San José, San José Province to St. Louis one-way?

Can I find deals for flights from San José to St. Louis that include hotel bookings?

How can I find direct flights from San José to St. Louis?

Can I find deals for business class flights from San José to St. Louis?

What is the cheapest month to book a flight from San José, San José Province to St. Louis?

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Alternative routes for San José to St. Louis

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Top 3 airlines flying from San José to St. Louis

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Cheapest flights from San José to St. Louis
Explore the most affordable flight options available from San José to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2025.