$122 Cheap Flights from St. Louis (STL) to San Jose (SJC)

View $122 flight on Sun, Nov 9, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $122 for one-way flights and $162 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, Sep 13 - Mon, Sep 15
STL
St. Louis
SJC
San Jose
$162 Roundtrip, found 14 hours ago
$162
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Sat, Sep 13 from St. Louis to San Jose, returning Mon, Sep 15, priced at $162 found 14 hours ago
Frontier Airlines
Sat, Oct 4 - Mon, Oct 6
STL
St. Louis
SJC
San Jose
$176 Roundtrip, found 17 hours ago
$176
Roundtrip
found 17 hours ago
Select Frontier Airlines flight, departing Sat, Oct 4 from St. Louis to San Jose, returning Mon, Oct 6, priced at $176 found 17 hours ago
Frontier Airlines
Thu, Sep 4 - Sun, Sep 7
STL
St. Louis
SJC
San Jose
$181 Roundtrip, found 3 days ago
$181
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, Sep 4 from St. Louis to San Jose, returning Sun, Sep 7, priced at $181 found 3 days ago
Frontier Airlines
Sun, Oct 5 - Fri, Oct 10
STL
St. Louis
SJC
San Jose
$190 Roundtrip, found 1 day ago
$190
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sun, Oct 5 from St. Louis to San Jose, returning Fri, Oct 10, priced at $190 found 1 day ago
Frontier Airlines
Thu, Sep 18 - Thu, Sep 25
STL
St. Louis
SJC
San Jose
$197 Roundtrip, found 15 hours ago
$197
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Thu, Sep 18 from St. Louis to San Jose, returning Thu, Sep 25, priced at $197 found 15 hours ago
Frontier Airlines
Thu, Sep 4 - Thu, Sep 11
STL
St. Louis
SJC
San Jose
$198 Roundtrip, found 3 days ago
$198
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, Sep 4 from St. Louis to San Jose, returning Thu, Sep 11, priced at $198 found 3 days ago
Delta
Sat, Oct 25 - Tue, Nov 4
STL
St. Louis
SJC
San Jose
$294 Roundtrip, found 6 days ago
$294
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Oct 25 from St. Louis to San Jose, returning Tue, Nov 4, priced at $294 found 6 days ago
Southwest Airlines
Sat, Nov 8 - Mon, Nov 10
STL
St. Louis
SJC
San Jose
$303 Roundtrip, found 5 days ago
$303
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Sat, Nov 8 from St. Louis to San Jose, returning Mon, Nov 10, priced at $303 found 5 days ago
Hawaiian Airlines
Tue, Sep 30 - Wed, Oct 1
STL
St. Louis
SJC
San Jose
$316 Roundtrip, found 6 days ago
$316
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Tue, Sep 30 from St. Louis to San Jose, returning Wed, Oct 1, priced at $316 found 6 days ago
United
Wed, Oct 8 - Wed, Oct 15
STL
St. Louis
SJC
San Jose
$317 Roundtrip, found 6 days ago
$317
Roundtrip
found 6 days ago
Select United flight, departing Wed, Oct 8 from St. Louis to San Jose, returning Wed, Oct 15, priced at $317 found 6 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 $164 - $512 per traveler.

Graph displaying average flight prices per month

Alternative airports near San Jose

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Francisco Intl. SFO. Cheapest option available. Average driving time to city center is 40 minutes. Flights from $166
SFO
San Francisco Intl.
Cheapest
Average driving time to city center40 min
Flights from $166
Select flight to Oakland Intl. OAK. Average driving time to city center is 41 minutes. Flights from $383
OAK
Oakland Intl.
Average driving time to city center41 min
Flights from $383
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
$162
Distance
1711 mi
Average flight time
4 hours 57 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 September. 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 $122 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?
Grab a cheap one-way flight from $122 or cheap return flight from $162 from Lambert-St. Louis Intl. Airport (STL) to Norman Y. Mineta San Jose Intl. Airport (SJC) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
The cheapest month to fly from STL to SJC is September, when demand is low. Off-peak season is typically when better flight deals are available between these airports.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest STL to SJC flight.
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.

Explore a world of travel with Expedia

*Available to One Key members.