Cheapest return flights from Baltimore (BWI) to San Jose (SJO), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
25 Sep 01 Oct American Airlines
12 Sep 20 Sep American Airlines
20 Sep 26 Sep American Airlines
11 Sep 20 Sep American Airlines
18 Sep 24 Sep Copa
22 Sep 26 Sep Southwest Airlines
25 Sep 02 Oct American Airlines
05 Sep 08 Sep Copa
01 Sep 05 Sep Southwest Airlines
08 Sep 10 Sep United
21 Sep 25 Sep Southwest Airlines
14 Sep 21 Sep Frontier Airlines
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deals for one-way flights from Baltimore to San Jose in September.

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Updated Aug 26, 2026.

About these fares

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