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San Jose

$81+ Cheap flights from St. Louis to San Jose (STL - SJC)

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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SJC
Mar 10 — Mar 171
Mon 3/10
Mon 3/17
1 adult, Economy
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The best prices from Lambert-St Louis to San Jose are usually found in November or May, booked 86 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap flight deals from St. Louis to San Jose

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to San Jose (SJC). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 5, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$170
(CheapOair)

One-way from

$81
(CheapOair)

Popular in

June

Cheapest in

November

Average price

$375
Provider with most accurate pricing for Lambert-St Louis-San Jose flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-San Jose flights.
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From Lambert-St Louis to San Jose
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One-way flight from Lambert-St Louis to San Jose
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Highest demand for flights based on searches. 1% potential increase in price ($4 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from St. Louis to San Jose

Cheapest flights from St. Louis to San Jose
Explore the most affordable flight options available from St. Louis to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 5, 2025.

This CheapOair deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/316:55 pmSTL - SJC
1 stop25h 33mFrontier
Thu 4/38:59 pmSJC - STL
1 stop18h 44mFrontier
Deal found 3/4$170
This Southwest deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/67:45 amSTL - SJC
1 stop6h 05mSouthwest
Mon 5/123:30 pmSJC - STL
1 stop7h 20mSouthwest
Deal found 3/5$252
This American Airlines deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/46:20 pmSTL - SJC
1 stop6h 27mAmerican Airlines
Mon 4/149:57 amSJC - STL
1 stop5h 26mAmerican Airlines
Deal found 3/4$257
This Delta deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/16:50 amSTL - SJC
2 stops12h 55mDelta
Sat 4/126:15 amSJC - STL
1 stop7h 51mDelta
Deal found 3/4$291
This Travelocity deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/31:46 pmSTL - SJC
1 stop8h 23mMultiple Airlines
Thu 4/106:15 amSJC - STL
2 stops15h 44mMultiple Airlines
Deal found 3/4$307
This Alaska Airlines deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/166:44 amSTL - SJC
2 stops11h 33mAlaska Airlines
Wed 4/237:00 amSJC - STL
2 stops14h 59mAlaska Airlines
Deal found 3/4$309
This Mytrip deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/16:10 pmSTL - SJC
3 stops25h 30mSpirit Airlines
Wed 5/712:53 pmSJC - STL
3 stops27h 39mSpirit Airlines
Deal found 3/4$331
This United Airlines deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/188:20 amSTL - SJC
1 stop7h 24mUnited Airlines
Tue 3/256:20 amSJC - STL
1 stop7h 11mUnited Airlines
Deal found 3/4$387

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

Customize your flight search to find flights from St. Louis to San Jose 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, Cheapflights users made 2,558,603 searches. Data last updated March 5, 2025.

Fly from

St. Louis

Fly to

San Jose

Route

Depart

Return

Price

St. LouisSan Jose

STL - SJC

STLSJC

Lambert-St Louis

Mon 3/31

6:55 pm-6:28 pm

1 stop25h 33m

San Jose

Thu 4/3

8:59 pm-5:43 pm

1 stop18h 44m

$170

St. LouisSan Jose

STL - SJC

STLSJC

Lambert-St Louis

Tue 5/6

7:45 am-11:50 am

1 stop6h 05m

San Jose

Mon 5/12

3:30 pm-12:50 am

1 stop7h 20m

$252

St. LouisSan Jose

STL - SJC

STLSJC

Lambert-St Louis

Fri 4/4

6:20 pm-10:47 pm

1 stop6h 27m

San Jose

Mon 4/14

9:57 am-5:23 pm

1 stop5h 26m

$257

St. LouisSan Jose

STL - SJC

STLSJC

Lambert-St Louis

Tue 4/1

6:00 am-11:51 am

1 stop7h 51m

San Jose

Sat 4/12

6:15 am-4:06 pm

1 stop7h 51m

$277

St. LouisSan Jose

STL - SJC

STLSJC

Lambert-St Louis

Thu 4/3

1:46 pm-8:09 pm

1 stop8h 23m

San Jose

Thu 4/10

6:15 am-11:59 pm

2 stops15h 44m

$307

St. LouisSan Jose

STL - SJC

STLSJC

Lambert-St Louis

Wed 4/16

6:44 am-4:17 pm

2 stops11h 33m

San Jose

Wed 4/23

7:00 am-11:59 pm

2 stops14h 59m

$309

St. LouisSan Jose

STL - SJC

STLSJC

Lambert-St Louis

Thu 5/1

6:10 pm-5:40 pm

3 stops25h 30m

San Jose

Wed 5/7

12:53 pm-6:32 pm

3 stops27h 39m

$331

St. LouisSan Jose

STL - SJC

STLSJC

Lambert-St Louis

Tue 3/18

8:20 am-1:44 pm

1 stop7h 24m

San Jose

Tue 3/25

6:20 am-3:31 pm

1 stop7h 11m

$387

St. LouisSan Jose

STL - SJC

STLSJC

Lambert-St Louis

Wed 4/23

6:58 pm-11:34 am

1 stop18h 36m

$81

St. LouisSan Jose

STL - SJC

STLSJC

Lambert-St Louis

Fri 4/4

7:40 am-12:16 pm

1 stop6h 36m

$129

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

Showing 1-10 of 14 results
1
2

Compare providers for flights from St. Louis to San Jose

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 St. Louis to San Jose in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust 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 St. Louis-San Jose flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-San Jose flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-San Jose flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-San Jose 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 St. Louis-San Jose 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 St. Louis to San Jose

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to San Jose. Price data was last updated on February 28, 2025.

To ensure you get the cheapest price possible for a flight from St. Louis to San Jose, you should look to book at least 85 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 St. Louis to San Jose?

Currently, September is the cheapest month in which you can book a flight from St. Louis to San Jose (average of $255). Flying from St. Louis to San Jose in June is currently the most expensive (average of $368). 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 STL to SJC?

Find hourly flight availability from St. Louis to San Jose. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 5, 2025.

When flying from St. Louis to San Jose, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 62% versus a flight in the morning.

Rainfall in San Jose by month

Plan your trip to San Jose by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Jose ranges from 0.0 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. July is typically the driest time to visit San Jose when rainfall is around 0.0 in.

Temperature in San Jose by month

Plan your trip to San Jose by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Jose, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

Reviews of airlines servicing San Jose

Get insights into the airlines that provide service to San Jose. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Jose. Reviews last updated March 5, 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines and Delta from St. Louis to San Jose by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,321 reviews

Overall

8.1

Entertainment

7.6

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Southwest
8.1
Very good
4,321 reviews
Southwest
8.1
Very good
4,321 reviews

Overall

8.1

Entertainment

7.6

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Alaska Airlines
8.0
Very good
9,711 reviews
Southwest
8.1
Very good
4,321 reviews

Overall

8.1

Entertainment

7.6

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Delta
8.0
Very good
8,044 reviews
Southwest
8.1
Very good
4,321 reviews

Overall

8.1

Entertainment

7.6

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

United Airlines
7.4
Good
8,655 reviews
Southwest
8.1
Very good
4,321 reviews

Overall

8.1

Entertainment

7.6

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,321 reviews

Overall

8.1

Entertainment

7.6

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to San Jose. 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 St. Louis to San Jose round-trip?

    Our cheapest airline available from St. Louis to San Jose is Frontier. Our recent data shows that you can find tickets from as low as $170 on this airline. Additional options worth looking into are Southwest and Delta, starting at $252 and $257 round-trip. Users have found that Frontier is 50% cheaper than the other options available to this destination.

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

    The cheapest airlines for a one-way flight from St. Louis to San Jose are Frontier ($81), Delta ($129), and Alaska Airlines ($148).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to San Jose 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 St. Louis to San Jose?

    Currently, September is the cheapest month in which you can book a flight from St. Louis to San Jose (average of $255). Flying from St. Louis to San Jose in June is currently the most expensive (average of $368). 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 6 airlines flying from St. Louis to San Jose

Discover the top 6 airlines that operate flights from St. Louis to San Jose. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$78Average$189FlexibilityNo cancel feeOn-time65%
FrontierCheapest$118Average$167FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$235Average$350FlexibilityNo cancel feeOn-time71%
DeltaCheapest$235Average$326FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$236Average$369FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$261Average$417FlexibilityNo cancel feeOn-time63%
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