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

Delta, at $257, was found to be the cheapest airline from San Jose to St. Louis.Alternate airlines to your destination round-trip include Hawaiian Airlines and Frontier. Delta is currently priced 31% 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 Delta, which is currently one of the cheapest options available, starting at $129. Alaska Airlines flights start at $158 while deals on Southwest start at $164 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 Spirit Airlines. 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 46 days early can save you up to 99% on average compared to booking a flight this week. If booking 46 days before your flight isn’t an option for you, users have found flights from San Jose to St. Louis for as little as $326 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 $380 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, April can be a great choice for travel to St. Louis. Flights to St. Louis from San Jose in April are about $374 on average during April, but can be found for as low as $235.

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 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 Jose-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 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.

$129+ Save on 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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The best prices from San Jose to Lambert-St Louis are usually found in April or August, booked 45 days in advance, depart on a Monday or Sunday and return on a Monday

Cheap flight deals from San Jose to St. Louis

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$257 (Delta)
One-way from	$129 (Delta)
Popular in	December
Cheapest in	April
Average price	$380

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. 9% potential increase in price ($40 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in February 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 February 22, 2025.

Mon 4/75:45 amSJC - STL

1 stop5h 34mDelta

Mon 4/147:15 pmSTL - SJC

1 stop6h 39mDelta

Deal found 2/20

$257

Mon 4/77:54 pmSJC - STL

3 stops19h 58mMultiple Airlines

Mon 4/1412:15 pmSTL - SJC

3 stops32h 22mMultiple Airlines

Deal found 2/20

$283

Wed 3/193:00 pmSJC - STL

1 stop6h 59mHawaiian Airlines

Wed 3/266:44 amSTL - SJC

1 stop9h 21mHawaiian Airlines

Deal found 2/21

$286

Fri 3/214:03 pmSJC - STL

1 stop15h 13mFrontier

Mon 3/246:55 pmSTL - SJC

1 stop23h 39mFrontier

Deal found 2/21

$289

Wed 3/196:15 amSJC - STL

2 stops15h 44mAlaska Airlines

Wed 3/266:44 amSTL - SJC

1 stop9h 21mAlaska Airlines

Deal found 2/21

$305

Mon 4/74:55 pmSJC - STL

1 stop6h 05mSouthwest

Fri 4/111:55 pmSTL - SJC

2 stops8h 00mSouthwest

Deal found 2/21

$343

Wed 5/1412:54 pmSJC - STL

2 stops7h 53mAmerican Airlines

Sat 5/175:00 amSTL - SJC

2 stops9h 13mAmerican Airlines

Deal found 2/21

$378

Sat 3/86:00 amSJC - STL

2 stops31h 42mSpirit Airlines

Thu 3/206:47 pmSTL - SJC

2 stops20h 47mSpirit Airlines

Deal found 2/21

$437

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 February 22, 2025.

Mon 4/75:45 amSJC - STL

1 stop5h 34mDelta

Mon 4/147:15 pmSTL - SJC

1 stop6h 39mDelta

Deal found 2/20

$257

Mon 4/77:54 pmSJC - STL

3 stops19h 58mMultiple Airlines

Mon 4/1412:15 pmSTL - SJC

3 stops32h 22mMultiple Airlines

Deal found 2/20

$283

Wed 3/193:00 pmSJC - STL

1 stop6h 59mHawaiian Airlines

Wed 3/266:44 amSTL - SJC

1 stop9h 21mHawaiian Airlines

Deal found 2/21

$286

Fri 3/214:03 pmSJC - STL

1 stop15h 13mFrontier

Mon 3/246:55 pmSTL - SJC

1 stop23h 39mFrontier

Deal found 2/21

$289

Wed 3/196:15 amSJC - STL

2 stops15h 44mAlaska Airlines

Wed 3/266:44 amSTL - SJC

1 stop9h 21mAlaska Airlines

Deal found 2/21

$305

Mon 4/74:55 pmSJC - STL

1 stop6h 05mSouthwest

Fri 4/111:55 pmSTL - SJC

2 stops8h 00mSouthwest

Deal found 2/21

$343

Wed 5/1412:54 pmSJC - STL

2 stops7h 53mAmerican Airlines

Sat 5/175:00 amSTL - SJC

2 stops9h 13mAmerican Airlines

Deal found 2/21

$378

Sat 3/86:00 amSJC - STL

2 stops31h 42mSpirit Airlines

Thu 3/206:47 pmSTL - SJC

2 stops20h 47mSpirit Airlines

Deal found 2/21

$437

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

Sat 2/226:10 amSJC - STL

1 stop6h 57mAmerican Airlines

Tue 2/259:15 amSTL - SJC

2 stops11h 43mAmerican Airlines

Deal found 2/21

$384

Sat 3/86:00 amSJC - STL

2 stops31h 42mMultiple Airlines

Wed 3/1912:15 pmSTL - SJC

3 stops27h 19mMultiple Airlines

Deal found 2/21

$330

Sat 3/85:50 amSJC - STL

1 stop5h 28mDelta

Wed 3/197:40 amSTL - SJC

2 stops12h 05mDelta

Deal found 2/21

$341

Sat 3/86:30 amSJC - STL

1 stop7h 00mSouthwest

Thu 3/206:05 amSTL - SJC

2 stops7h 40mSouthwest

Deal found 2/21

$347

Sat 3/86:00 amSJC - STL

2 stops31h 42mSpirit Airlines

Thu 3/206:47 pmSTL - SJC

2 stops20h 47mSpirit Airlines

Deal found 2/21

$437

Wed 3/193:00 pmSJC - STL

1 stop6h 59mHawaiian Airlines

Wed 3/266:44 amSTL - SJC

1 stop9h 21mHawaiian Airlines

Deal found 2/21

$286

Wed 3/196:15 amSJC - STL

2 stops15h 44mAlaska Airlines

Wed 3/266:44 amSTL - SJC

1 stop9h 21mAlaska Airlines

Deal found 2/21

$305

Fri 3/214:03 pmSJC - STL

1 stop15h 13mFrontier

Mon 3/246:55 pmSTL - SJC

1 stop23h 39mFrontier

Deal found 2/21

$289

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 February 22, 2025.

Mon 3/245:10 pmSJC - STL

1 stop5h 22mDelta

Deal found 2/20

$129

Wed 3/193:00 pmSJC - STL

1 stop6h 59mAlaska Airlines

Deal found 2/20

$158

Wed 5/2112:00 pmSJC - STL

2 stops8h 00mSouthwest

Deal found 2/21

$164

Wed 7/22:23 pmSJC - STL

1 stop5h 25mUnited Airlines

Deal found 2/21

$174

Sat 4/196:00 amSJC - STL

2 stops8h 36mAmerican Airlines

Deal found 2/20

$179

Fri 3/214:03 pmSJC - STL

1 stop15h 13mFrontier

Deal found 2/20

$186

Wed 2/267:34 amSJC - STL

3 stops29h 08mSpirit Airlines

Deal found 2/21

$293

Fri 3/283:00 pmSJC - STL

1 stop6h 59mHawaiian Airlines

Deal found 2/21

$577

Wed 7/26:00 amSJC - STL

3 stops28h 10mMultiple Airlines

Deal found 2/21

$630

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

Fly from

Fly to

Route

Depart

Return

Price

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Mon 4/7

5:45 am-1:19 pm

1 stop5h 34m

Lambert-St Louis

Mon 4/14

7:15 pm-11:54 pm

1 stop6h 39m

$257

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Mon 4/7

7:54 pm-5:52 pm

3 stops19h 58m

Lambert-St Louis

Mon 4/14

12:15 pm-6:37 pm

3 stops32h 22m

$283

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Wed 3/19

3:00 pm-11:59 pm

1 stop6h 59m

Lambert-St Louis

Wed 3/26

6:44 am-2:05 pm

1 stop9h 21m

$286

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Fri 3/21

4:03 pm-9:16 am

1 stop15h 13m

Lambert-St Louis

Mon 3/24

6:55 pm-4:34 pm

1 stop23h 39m

$289

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Wed 3/19

6:15 am-11:59 pm

2 stops15h 44m

Lambert-St Louis

Wed 3/26

6:44 am-2:05 pm

1 stop9h 21m

$305

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Mon 4/7

4:55 pm-1:00 am

1 stop6h 05m

Lambert-St Louis

Fri 4/11

1:55 pm-7:55 pm

2 stops8h 00m

$343

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Wed 5/14

12:54 pm-10:47 pm

2 stops7h 53m

Lambert-St Louis

Sat 5/17

5:00 am-12:13 pm

2 stops9h 13m

$378

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Sat 3/8

6:00 am-3:42 pm

2 stops31h 42m

Lambert-St Louis

Thu 3/20

6:47 pm-1:34 pm

2 stops20h 47m

$437

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Mon 3/24

5:10 pm-12:32 am

1 stop5h 22m

$129

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Wed 3/19

3:00 pm-11:59 pm

1 stop6h 59m

$158

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 17 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 February.

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

Travel insights for flights from San Jose to St. Louis

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

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 45 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

Southwest

8.1

Very good

4,401 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest

8.1

Very good

4,401 reviews

Southwest

8.1

Very good

4,401 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2025

MCO - STL

Alaska Airlines

8.0

Very good

9,697 reviews

Southwest

8.1

Very good

4,401 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2025

MCO - STL

Delta

8.0

Very good

8,213 reviews

Southwest

8.1

Very good

4,401 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2025

MCO - STL

Hawaiian Airlines

7.9

Good

2,316 reviews

Southwest

8.1

Very good

4,401 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2025

MCO - STL

United Airlines

7.4

Good

8,759 reviews

Southwest

8.1

Very good

4,401 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2025

MCO - STL

Related info for your journey

What are the cheapest airlines flying from San Jose to St. Louis round-trip?
Delta, at $257, was found to be the cheapest airline from San Jose to St. Louis.Alternate airlines to your destination round-trip include Hawaiian Airlines and Frontier. Delta is currently priced 31% 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 Delta, which is currently one of the cheapest options available, starting at $129. Alaska Airlines flights start at $158 while deals on Southwest start at $164 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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Top 5 airlines flying from San Jose to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$149	Average$181	FlexibilityNo cancel fee	On-time65%
American Airlines	Cheapest$235	Average$346	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$235	Average$378	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$245	Average$362	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$358	Average$503	FlexibilityNo cancel fee	On-time63%

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$129+ 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 3/24. 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

The best prices from San Jose to Lambert-St Louis are usually found in April or August, booked 45 days in advance, depart on a Monday or Sunday 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 February 22, 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 February 22, 2025.

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

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 February.

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.

Travel insights for flights from San Jose to St. Louis

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

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 February 14, 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 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 Jose 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 Jose to St. Louis round-trip?

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

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

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

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

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

Traveling to a place near San Jose?

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Alternative routes for San Jose to St. Louis

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Top 5 airlines flying from San Jose to St. Louis

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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 February 22, 2025.