Cheapest return flights from St. Louis to San Jose in April from $341

Best time to book flights for St. Louis (STL) to San Jose (SJO) flights at AirHint

AirHint found the following cheapest return flights from St. Louis (STL) to San Jose (SJO) in April 2025 (see full year).

Return flights

05 Apr - 26 Apr Frontier Airlines
10 Apr - 14 Apr Spirit Airlines

Also check the deals for one-way flights from St. Louis to San Jose in April.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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