$91 Cheap Flights from San Jose (SJC) to St. Louis (STL)

View $91 flight on Wed, Oct 8, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $91 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
Wed, Aug 13 - Wed, Aug 27
SJC
San Jose
STL
St. Louis
$181 Roundtrip, found 1 day ago
$181
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Wed, Aug 13 from San Jose to St. Louis, returning Wed, Aug 27, priced at $181 found 1 day ago
American Airlines
Wed, Oct 8 - Sat, Oct 11
SJC
San Jose
STL
St. Louis
$181 Roundtrip, found 17 hours ago
$181
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Wed, Oct 8 from San Jose to St. Louis, returning Sat, Oct 11, priced at $181 found 17 hours ago
Alaska Airlines
Wed, Oct 8 - Sat, Oct 11
SJC
San Jose
STL
St. Louis
$193 Roundtrip, found 17 hours ago
$193
Roundtrip
found 17 hours ago
Select Alaska Airlines flight, departing Wed, Oct 8 from San Jose to St. Louis, returning Sat, Oct 11, priced at $193 found 17 hours ago
Hawaiian Airlines
Tue, Aug 26 - Tue, Sep 9
SJC
San Jose
STL
St. Louis
$203 Roundtrip, found 1 day ago
$203
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Tue, Aug 26 from San Jose to St. Louis, returning Tue, Sep 9, priced at $203 found 1 day ago
Southwest Airlines
Wed, Oct 8 - Sat, Oct 11
SJC
San Jose
STL
St. Louis
$205 Roundtrip, found 17 hours ago
$205
Roundtrip
found 17 hours ago
Select Southwest Airlines flight, departing Wed, Oct 8 from San Jose to St. Louis, returning Sat, Oct 11, priced at $205 found 17 hours ago
Southwest Airlines
Thu, Aug 21 - Sun, Aug 31
SJC
San Jose
STL
St. Louis
$207 Roundtrip, found 23 hours ago
$207
Roundtrip
found 23 hours ago
Select Southwest Airlines flight, departing Thu, Aug 21 from San Jose to St. Louis, returning Sun, Aug 31, priced at $207 found 23 hours ago
United
Wed, Oct 8 - Sat, Oct 11
SJC
San Jose
STL
St. Louis
$208 Roundtrip, found 17 hours ago
$208
Roundtrip
found 17 hours ago
Select United flight, departing Wed, Oct 8 from San Jose to St. Louis, returning Sat, Oct 11, priced at $208 found 17 hours ago
American Airlines
Sat, Aug 30 - Tue, Sep 2
SJC
San Jose
STL
St. Louis
$209 Roundtrip, found 1 day ago
$209
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Aug 30 from San Jose to St. Louis, returning Tue, Sep 2, priced at $209 found 1 day ago
American Airlines
Tue, Aug 5 - Mon, Aug 11
SJC
San Jose
STL
St. Louis
$211 Roundtrip, found 1 day ago
$211
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Aug 5 from San Jose to St. Louis, returning Mon, Aug 11, priced at $211 found 1 day ago
Southwest Airlines
Sat, Aug 23 - Tue, Sep 2
SJC
San Jose
STL
St. Louis
$213 Roundtrip, found 23 hours ago
$213
Roundtrip
found 23 hours ago
Select Southwest Airlines flight, departing Sat, Aug 23 from San Jose to St. Louis, returning Tue, Sep 2, priced at $213 found 23 hours ago

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

November is typically the cheapest month to fly

From $137 - $603 per traveler.

Graph displaying average flight prices per month

Flights from San Jose (SJC) to St. Louis (STL)
Origin airport
Norman Y. Mineta San Jose Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$180
Distance
1711 mi
Average flight time
7 hours 58 mins

San Jose to St. Louis Flights

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

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 San Jose to St. Louis are during the month of August. You can find some of the cheapest flights from San Jose to St. Louis with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from San Jose to St. Louis: 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 San Jose to St. Louis

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 San Jose to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $91 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 San Jose to St. Louis 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 San Jose to St. Louis 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 Norman Y. Mineta San Jose Intl. Airport (SJC) to Lambert-St. Louis Intl. Airport (STL) cost?
Cheap round-trip fares from Norman Y. Mineta San Jose Intl. Airport (SJC) to Lambert-St. Louis Intl. Airport (STL) start at $479. 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 SJC on July 26 2025 and touching down at STL. The price was last updated on July 6 2025 and has not changed since.
What is the cheapest month to fly from SJC to STL?
The cheapest flights from SJC to STL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Norman Y. Mineta San Jose Intl. Airport (SJC) to Lambert-St. Louis Intl. Airport (STL)?
You can't fly directly from San Jose, CA (SJC-Norman Y. Mineta San Jose Intl.) to Lambert-St. Louis Intl. Airport (STL). However, you can find other airports with nonstop flights. Start your journey at San Francisco Intl. Airport (SFO) and fly straight to St. Louis without a layover.
What is the cheapest airline that flies from SJC to STL?
Jet off from SJC to STL with Southwest Airlines. This carrier currently offers the cheapest one-way fare for this route, starting from $300. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SJC on July 12 2025. Prices were last updated on July 6 2025 and have not changed since.
How many flights per day from Norman Y. Mineta San Jose Intl. Airport (SJC) to Lambert-St. Louis Intl. Airport (STL)?
Direct flights from Norman Y. Mineta San Jose Intl. Airport (SJC) to Lambert-St. Louis Intl. Airport (STL) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SJC to STL?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from SJC to STL?
Southwest Airlines has the strongest track record for on-time direct flights from Norman Y. Mineta San Jose Intl. Airport (SJC) to Lambert-St. Louis Intl. Airport (STL), with an on-time score of 96%. Use the Expedia App to check your journey status before you take off and get real-time alerts about any trip changes.
What is the best time to fly from Norman Y. Mineta San Jose Intl. Airport (SJC) to Lambert-St. Louis Intl. Airport (STL)?
To touch down at Lambert-St. Louis Intl. Airport (STL) on schedule, pick a flight that leaves Norman Y. Mineta San Jose Intl. Airport (SJC) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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.
Is it cheaper to buy a plane ticket from Norman Y. Mineta San Jose Intl. Airport (SJC) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Holding off until right before your break to book a flight from SJC to STL generally means paying more. While you might find some last-minute discounts, they aren't always guaranteed. Keep your travel plans flexible for the best chance of getting a bargain.
Is it cheaper to book a SJC to STL flight and hotel package?
You'll generally save money by booking a SJC to STL flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After selecting your ideal flights and accommodations, consider adding extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Norman Y. Mineta San Jose Intl. Airport (SJC) to Lambert-St. Louis Intl. Airport (STL)?
Typically, it's possible to cancel or reschedule your SJC to STL flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.