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

Frontier, at $211, was found to be the cheapest airline from San Jose to St. Louis.Alternate airlines to your destination round-trip include Delta and United Airlines. Frontier is currently priced 44% below the average price you’ll pay for this route.

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

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $116. Southwest flights start at $124 while deals on Spirit Airlines start at $127 one-way.

What is the cheapest day to fly from San Jose to St. Louis?

Travelers seeking maximum savings on their San Jose to St. Louis flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Thursday 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 Jose to St. Louis?

The most popular airlines flying from San Jose to St. Louis are American Airlines, Delta and Frontier. Something to consider prior to booking your flight.

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

Leaving on a Sunday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 56% on the overall cost on flights from San Jose to St. Louis.

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

Users have found that booking a flight from San Jose to St. Louis at least 16 days early can save you up to 104% on average compared to booking a flight this week. If booking 16 days before your flight isn’t an option for you, users have found flights from San Jose to St. Louis for as little as $328 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 $373 for flights departing within the next 3 days.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, August can be a great choice for travel to St. Louis. Flights to St. Louis from San Jose in August are about $379 on average during August, but can be found for as low as $256.

Most accurate provider : When it comes to deals on San Jose-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 Jose-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Jose-St. Louis flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on San Jose-St. Louis flights, Cheapflights users trust eDreams the most. eDreams 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 Jose-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airports do I use to fly from San Jose to St. Louis?

Lambert-St Louis is the airport most travelers will use when flying to St. Louis from San Jose. Booking flights from San Jose (SJC) to Lambert-St Louis (STL) should be relatively easy as there is 1 daily flight to St. Louis from 5 different airlines. 3h 50m is how long a flight from San Jose to Lambert-St Louis will take if you book a nonstop flight.

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

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

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

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

Yes. Cheapflights offers flight deals from San Jose 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.

$116+ Flights from San Jose to St. Louis

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheapflights Tip: The best prices from San Jose to Lambert-St Louis are usually found in August or July, booked 15 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap flight deals from San Jose to St. Louis

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$211 (CheapOair)
One-way from	$116 (Mytrip)
Popular in	December
Cheapest in	August
Average price	$378

Provider with most accurate pricing for San Jose-Lambert-St Louis flight deals.

Search Deals

Provider most trusted by Cheapflights users for San Jose-Lambert-St Louis flights.

Search Deals

From San Jose to Lambert-St Louis

Search Deals

One-way flight from San Jose to Lambert-St Louis

Search Deals

Highest demand for flights based on searches. 11% potential increase in price ($47 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from San Jose to St. Louis

Cheapest flights from San Jose to St. Louis
Explore the most affordable flight options available from San Jose to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Sun 5/1812:20 pmSJC - STL

1 stop18h 49mFrontier

Sat 5/247:55 pmSTL - SJC

1 stop17h 26mFrontier

Deal found 4/28

$211

Wed 10/291:00 pmSJC - STL

1 stop8h 56mHawaiian Airlines

Tue 11/42:55 pmSTL - SJC

1 stop9h 08mHawaiian Airlines

Deal found 4/27

$256

Thu 6/55:02 pmSJC - STL

1 stop5h 57mDelta

Fri 6/67:19 pmSTL - SJC

1 stop6h 22mDelta

Deal found 4/28

$257

Tue 5/2712:50 pmSJC - STL

1 stop7h 25mUnited Airlines

Tue 6/34:32 pmSTL - SJC

1 stop6h 18mUnited Airlines

Deal found 4/28

$282

Tue 6/179:45 amSJC - STL

2 stops9h 09mAmerican Airlines

Tue 6/245:37 amSTL - SJC

1 stop8h 46mAmerican Airlines

Deal found 4/28

$303

Thu 10/236:15 amSJC - STL

2 stops15h 41mAlaska Airlines

Thu 10/302:55 pmSTL - SJC

1 stop9h 08mAlaska Airlines

Deal found 4/28

$335

Mon 6/304:25 pmSJC - STL

1 stop7h 30mSouthwest

Sat 7/55:20 pmSTL - SJC

Nonstop4h 10mSouthwest

Deal found 4/27

$338

Wed 6/44:28 pmSJC - STL

2 stops14h 47mMultiple Airlines

Thu 6/55:15 pmSTL - SJC

3 stops32h 14mMultiple Airlines

Deal found 4/28

$385

Best flights from San Jose to St. Louis
Discover carefully curated flight deals from San Jose to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2025.

Sun 5/1812:20 pmSJC - STL

1 stop18h 49mFrontier

Sat 5/247:55 pmSTL - SJC

1 stop17h 26mFrontier

Deal found 4/28

$211

Thu 6/55:02 pmSJC - STL

1 stop5h 57mDelta

Fri 6/67:19 pmSTL - SJC

1 stop6h 22mDelta

Deal found 4/28

$257

Tue 5/2712:50 pmSJC - STL

1 stop7h 25mUnited Airlines

Tue 6/34:32 pmSTL - SJC

1 stop6h 18mUnited Airlines

Deal found 4/28

$282

Tue 6/179:45 amSJC - STL

2 stops9h 09mAmerican Airlines

Tue 6/245:37 amSTL - SJC

1 stop8h 46mAmerican Airlines

Deal found 4/28

$303

Thu 10/236:15 amSJC - STL

2 stops15h 41mAlaska Airlines

Thu 10/302:55 pmSTL - SJC

1 stop9h 08mAlaska Airlines

Deal found 4/28

$335

Mon 6/304:25 pmSJC - STL

1 stop7h 30mSouthwest

Sat 7/55:20 pmSTL - SJC

Nonstop4h 10mSouthwest

Deal found 4/27

$338

Wed 6/44:28 pmSJC - STL

2 stops14h 47mMultiple Airlines

Thu 6/55:15 pmSTL - SJC

3 stops32h 14mMultiple Airlines

Deal found 4/28

$385

Last-minute flights from San Jose to St. Louis
Discover last-minute flight deals from San Jose to St. Louis. Data last updated April 29, 2025 and is based on user searches.

Sat 5/36:00 amSJC - STL

2 stops8h 36mAmerican Airlines

Sun 5/47:04 amSTL - SJC

1 stop8h 25mAmerican Airlines

Deal found 4/27

$384

Sun 5/412:20 pmSJC - STL

1 stop18h 49mFrontier

Wed 5/78:15 pmSTL - SJC

1 stop16h 49mFrontier

Deal found 4/28

$231

Mon 5/55:10 pmSJC - STL

1 stop5h 40mSouthwest

Thu 5/86:45 amSTL - SJC

2 stops8h 00mSouthwest

Deal found 4/28

$544

Tue 5/68:24 amSJC - STL

2 stops13h 34mAlaska Airlines

Thu 5/83:08 pmSTL - SJC

1 stop9h 51mAlaska Airlines

Deal found 4/28

$573

Tue 5/611:07 amSJC - STL

3 stops44h 08mMultiple Airlines

Fri 5/99:50 amSTL - SJC

3 stops15h 39mMultiple Airlines

Deal found 4/28

$655

Tue 5/66:20 amSJC - STL

1 stop6h 27mUnited Airlines

Tue 5/65:29 pmSTL - SJC

1 stop7h 25mUnited Airlines

Deal found 4/28

$723

Thu 5/86:30 amSJC - STL

1 stop8h 30mDelta

Mon 5/125:40 pmSTL - SJC

1 stop7h 20mDelta

Deal found 4/27

$343

Sat 5/106:00 amSJC - STL

2 stops10h 21mAmerican Airlines

Sun 5/117:00 amSTL - SJC

1 stop8h 25mAmerican Airlines

Deal found 4/26

$312

Mon 5/125:55 amSJC - STL

1 stop5h 39mDelta

Thu 5/155:40 pmSTL - SJC

1 stop7h 20mDelta

Deal found 4/28

$307

Mon 5/1211:33 amSJC - STL

2 stops10h 26mAlaska Airlines

Tue 5/136:30 amSTL - SJC

1 stop10h 16mAlaska Airlines

Deal found 4/28

$475

Sun 5/1812:20 pmSJC - STL

1 stop18h 49mFrontier

Sat 5/247:55 pmSTL - SJC

1 stop17h 26mFrontier

Deal found 4/28

$211

Thu 5/2211:00 amSJC - STL

2 stops22h 25mMultiple Airlines

Mon 5/265:15 pmSTL - SJC

3 stops32h 14mMultiple Airlines

Deal found 4/27

$388

One-way flights from San Jose to St. Louis
Search for one-way flight options from San Jose to St. Louis. Find affordable one-way fares based on user searches. Data last updated April 29, 2025.

Thu 6/512:13 pmSJC - STL

1 stop18h 59mFrontier

Deal found 4/28

$116

Mon 6/26:35 amSJC - STL

1 stop6h 00mSouthwest

Deal found 4/28

$124

Wed 5/284:28 pmSJC - STL

2 stops14h 47mSpirit Airlines

Deal found 4/27

$127

Wed 6/2510:25 pmSJC - STL

1 stop9h 18mDelta

Deal found 4/27

$129

Sun 5/2512:25 pmSJC - STL

1 stop9h 39mAlaska Airlines

Deal found 4/28

$153

Tue 5/206:00 amSJC - STL

2 stops10h 21mAmerican Airlines

Deal found 4/28

$159

Sun 6/14:33 pmSJC - STL

3 stops25h 37mMultiple Airlines

Deal found 4/28

$164

Sat 6/147:00 amSJC - STL

2 stops13h 45mUnited Airlines

Deal found 4/28

$314

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Jose to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Sun 5/18

12:20 pm-9:09 am

1 stop18h 49m

Lambert-St Louis

Sat 5/24

7:55 pm-11:21 am

1 stop17h 26m

$211

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Thu 6/5

5:02 pm-12:59 am

1 stop5h 57m

Lambert-St Louis

Fri 6/6

7:19 pm-11:41 pm

1 stop6h 22m

$257

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Tue 5/27

12:50 pm-10:15 pm

1 stop7h 25m

Lambert-St Louis

Tue 6/3

4:32 pm-8:50 pm

1 stop6h 18m

$282

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Tue 6/17

9:45 am-8:54 pm

2 stops9h 09m

Lambert-St Louis

Tue 6/24

5:37 am-12:23 pm

1 stop8h 46m

$303

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Thu 10/23

6:15 am-11:56 pm

2 stops15h 41m

Lambert-St Louis

Thu 10/30

2:55 pm-10:03 pm

1 stop9h 08m

$335

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Mon 6/30

4:25 pm-1:55 am

1 stop7h 30m

Lambert-St Louis

Sat 7/5

5:20 pm-7:30 pm

Nonstop4h 10m

$338

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Wed 6/4

4:28 pm-9:15 am

2 stops14h 47m

Lambert-St Louis

Thu 6/5

5:15 pm-11:29 pm

3 stops32h 14m

$385

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Thu 6/5

12:13 pm-9:12 am

1 stop18h 59m

$116

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Mon 6/2

6:35 am-2:35 pm

1 stop6h 00m

$124

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Wed 5/28

4:28 pm-9:15 am

2 stops14h 47m

$127

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 15 results

Compare providers for flights from San Jose to St. Louis

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

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy2 stars	Trust Score*3 stars
Kiwi.com	Price Accuracy3 stars	Trust Score*3 stars

*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 Jose-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 Jose-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Jose-St. Louis flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on San Jose-St. Louis flights, Cheapflights users trust eDreams the most. eDreams 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 Jose-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 Jose to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from San Jose 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.

Cheapflights Insights

Everything you need to know about your flight from San Jose to St. Louis

How far ahead should I book a flight from San Jose to St. Louis?

To ensure you get the cheapest price possible for a flight from San Jose to St. Louis, you should look to book at least 15 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 Jose to St. Louis?

Currently, August is the cheapest month in which you can book a flight from San Jose to St. Louis (average of $311). Flying from San Jose 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 SJC to STL?

It’s typically best to fly out from San Jose to St. Louis in the afternoon. Doing so could potentially save you 36% on the flight price compared to flying at noon, which is usually more expensive.

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

To help decide which airline to fly from San Jose to St. Louis, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,961 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

9,961 reviews

Alaska Airlines

8.0

Very good

9,961 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

Southwest

8.0

Very good

4,292 reviews

Alaska Airlines

8.0

Very good

9,961 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

7,929 reviews

Alaska Airlines

8.0

Very good

9,961 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

8,696 reviews

Alaska Airlines

8.0

Very good

9,961 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

9,961 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 airports do I use to fly from San Jose to St. Louis?
Lambert-St Louis is the airport most travelers will use when flying to St. Louis from San Jose. Booking flights from San Jose (SJC) to Lambert-St Louis (STL) should be relatively easy as there is 1 daily flight to St. Louis from 5 different airlines. 3h 50m is how long a flight from San Jose to Lambert-St Louis will take if you book a nonstop flight.
What are the cheapest airlines flying from San Jose to St. Louis round-trip?
Frontier, at $211, was found to be the cheapest airline from San Jose to St. Louis.Alternate airlines to your destination round-trip include Delta and United Airlines. Frontier is currently priced 44% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from San Jose to St. Louis one-way?
To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $116. Southwest flights start at $124 while deals on Spirit Airlines start at $127 one-way.
Can I find deals for flights from San Jose to St. Louis that include hotel bookings?
Yes. In addition to deals on San Jose to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San Jose 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 Jose to St. Louis.
Can I find deals for business class flights from San Jose to St. Louis?
Yes. Cheapflights offers flight deals from San Jose 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 Jose to St. Louis?
Currently, August is the cheapest month in which you can book a flight from San Jose to St. Louis (average of $311). Flying from San Jose 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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Other flights to St. Louis

Top 5 airlines flying from San Jose to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$118	Average$218	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$245	Average$363	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$246	Average$350	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$246	Average$371	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$341	Average$491	FlexibilityNo cancel fee	On-time63%

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$116+ Cheap flights from San Jose to St. Louis (SJC - 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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.

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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from San Jose to Lambert-St Louis are usually found in August or July, booked 15 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap flight deals from San Jose 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 Jose to St. Louis

Cheapest flights from San Jose to St. LouisExplore the most affordable flight options available from San Jose to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Explore the most affordable flight options available from San Jose to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Jose to St. Louis that are best for you.

Compare providers for flights from San Jose 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 Jose to St. Louis in April.

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

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

Cheapflights Insights

Everything you need to know about your flight from San Jose to St. Louis

How far ahead should I book a flight from San Jose to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from San Jose to St. Louis. Price data was last updated on April 25, 2025.

What is the cheapest month to book a flight from San Jose to St. Louis?

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

Find hourly flight availability from San Jose 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 April 29, 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

To help decide which airline to fly from San Jose to St. Louis, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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Cheapest flights from San Jose to St. Louis
Explore the most affordable flight options available from San Jose to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.