Cheap American Airlines Flights from St. Louis to San Jose (STL→SJC)

View AU$312 flight on Thu, 14 May 2026Opens in a new window

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Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

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

February is typically the cheapest month to fly

From AU$320 - AU$704 per traveller.
Flight from St. Louis to San Jose route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
Norman Y. Mineta San Jose Intl.
Distance
2737 km
Average flight time
5 hours 17 mins

Frequently asked questions

How much is an American Airlines flight from Lambert-St. Louis Intl. Airport (STL) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
Scoring cheap one-way American Airlines flights from STL to SJC from AU$312 on Expedia is simple — just filter by "Price (lowest to highest)." Alternatively, check out our affordable return fares for your next exciting getaway.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from STL to SJC with American Airlines?
April is one of the most affordable months to jet away to San Jose with American Airlines. You could also find fantastic deals on one-way and return tickets in November.
Does American Airlines fly nonstop from Lambert-St. Louis Intl. Airport (STL) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
To find out if there's a direct journey from STL to SJC with American Airlines or other airlines, use our "Nonstop" filter when searching for flights.
What airports does American Airlines fly into in San Jose?
American Airlines flights from Lambert-St. Louis Intl. Airport (STL) to San Jose touch down at Norman Y. Mineta San Jose Intl. Airport (SJC). This is the main gateway to this city.
Can I change or cancel my American Airlines flight from Lambert-St. Louis Intl. Airport (STL) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
Depending on your fare type, a fee will generally apply if you cancel or change your flight more than 24 hours after confirmation. To find plane tickets with more flexibility, select our "No cancel fee" or "Changes included" filter while searching for flights. For more information on changing or cancelling your reservation, go to "Trips," select your flight and tick "Manage Booking."

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