$96 Cheap Flights from St. Louis (STL) to San Jose (SJC)

View $96 flight on Wed, Aug 20, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Norman Y. Mineta San Jose Intl. Airport (SJC)

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Cheap Flights from St. Louis to San Jose (STL-SJC)

Prices were available within the past 7 days and start at $96 for one-way flights and $181 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Thu, Aug 28 - Sat, Sep 6
STL
St. Louis
SJC
San Jose
$181 Roundtrip, found 2 days ago
$181
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Thu, Aug 28 from St. Louis to San Jose, returning Sat, Sep 6, priced at $181 found 2 days ago
American Airlines
Thu, Aug 28 - Sat, Sep 6
STL
St. Louis
SJC
San Jose
$181 Roundtrip, found 2 days ago
$181
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Aug 28 from St. Louis to San Jose, returning Sat, Sep 6, priced at $181 found 2 days ago
Southwest Airlines
Thu, Aug 28 - Sat, Sep 6
STL
St. Louis
SJC
San Jose
$186 Roundtrip, found 2 days ago
$186
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Thu, Aug 28 from St. Louis to San Jose, returning Sat, Sep 6, priced at $186 found 2 days ago
Southwest Airlines
Tue, Oct 28 - Sat, Nov 1
STL
St. Louis
SJC
San Jose
$186 Roundtrip, found 4 days ago
$186
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Tue, Oct 28 from St. Louis to San Jose, returning Sat, Nov 1, priced at $186 found 4 days ago
Southwest Airlines
Sat, Aug 16 - Mon, Aug 18
STL
St. Louis
SJC
San Jose
$191 Roundtrip, found 3 days ago
$191
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Sat, Aug 16 from St. Louis to San Jose, returning Mon, Aug 18, priced at $191 found 3 days ago
Southwest Airlines
Tue, Oct 28 - Sat, Nov 1
STL
St. Louis
SJC
San Jose
$196 Roundtrip, found 4 days ago
$196
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Tue, Oct 28 from St. Louis to San Jose, returning Sat, Nov 1, priced at $196 found 4 days ago
Southwest Airlines
Tue, Oct 28 - Sat, Nov 1
STL
St. Louis
SJC
San Jose
$200 Roundtrip, found 4 days ago
$200
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Tue, Oct 28 from St. Louis to San Jose, returning Sat, Nov 1, priced at $200 found 4 days ago
Hawaiian Airlines
Tue, Sep 9 - Tue, Sep 23
STL
St. Louis
SJC
San Jose
$203 Roundtrip, found 4 days ago
$203
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Tue, Sep 9 from St. Louis to San Jose, returning Tue, Sep 23, priced at $203 found 4 days ago
United
Wed, Oct 8 - Sun, Oct 12
STL
St. Louis
SJC
San Jose
$233 Roundtrip, found 2 days ago
$233
Roundtrip
found 2 days ago
Select United flight, departing Wed, Oct 8 from St. Louis to San Jose, returning Sun, Oct 12, priced at $233 found 2 days ago
Alaska Airlines
Wed, Sep 10 - Thu, Sep 18
STL
St. Louis
SJC
San Jose
$237 Roundtrip, found 2 days ago
$237
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Sep 10 from St. Louis to San Jose, returning Thu, Sep 18, priced at $237 found 2 days ago

Find the cheapest month to fly from St. Louis (STL) to San Jose (SJC)

November is typically the cheapest month to fly

From $150 - $600 per traveler.

Graph displaying average flight prices per month

Flights from St. Louis (STL) to San Jose (SJC)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Norman Y. Mineta San Jose Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$180
Distance
1711 mi
Average flight time
4 hours 9 mins

St. Louis to San Jose Flights

The cheapest times to fly from St. Louis to San Jose

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to San Jose are during the month of August. You can find some of the cheapest flights from St. Louis to San Jose with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to San Jose

Sunday is one of the best days to book for cheap flights from St. Louis to San Jose: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to San Jose

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to San Jose in 2025. You can also book with separate airlines for your outbound and return journeys, from $96 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to San Jose flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to San Jose airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Norman Y. Mineta San Jose Intl. Airport (SJC) cost?
You'll find cheap return tickets from Lambert-St. Louis Intl. Airport (STL) to Norman Y. Mineta San Jose Intl. Airport (SJC) starting at $433. Reserve your seat and be on your way. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Southwest Airlines flight leaving STL on July 26 2025 and touching down at SJC. The price was last updated on July 8 2025 and has not changed since.
What is the cheapest month to fly from STL to SJC?
The cheapest flights from STL to SJC are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from STL to SJC?
With prices as low as $547 for a one-way flight from STL to SJC, Southwest Airlines is currently the cheapest airline on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from STL on July 12 2025. Prices were last updated on July 8 2025 and have not changed since.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
You'll need to catch a flight with a layover if you're traveling from Lambert-St. Louis Intl. Airport (STL) to Norman Y. Mineta San Jose Intl. Airport (SJC). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from STL to SJC?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on a range of factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from STL to SJC?
Consider booking with Sun Country Airlines if you'd like to go straight from Lambert-St. Louis Intl. Airport (STL) to Norman Y. Mineta San Jose Intl. Airport (SJC) without any delays. This airline has the best track record for punctuality, with an on-time performance of 100%. Want real-time updates? You can check your flight status using the Expedia App.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
Opt for a flight from Lambert-St. Louis Intl. Airport (STL) to Norman Y. Mineta San Jose Intl. Airport (SJC) that leaves before 3 PM to reduce the risk of delays and cancellations. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for San Jose from Lambert-St. Louis Intl. Airport (STL)?
San Francisco Intl. Airport (SFO) is the only airport in San Jose with direct flights from Lambert-St. Louis Intl. Airport (STL). Browse the options and find cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Norman Y. Mineta San Jose Intl. Airport (SJC) last-minute?
Waiting until right before your break to book a ticket from STL to SJC generally means paying more. Although you may find some last-minute discounts, there's no guarantee. Keep your travel schedule open to maximize your chances of landing a bargain.
Is it cheaper to book a STL to SJC flight and hotel package?
You can save money by booking a STL to SJC flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've selected your ideal flights and accommodations, consider other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
Usually, it's possible to reschedule or cancel your STL to SJC flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.