Cheapest return BWI–SJU flights, October

AirHint found the following cheapest return flights from Baltimore (BWI) to San Juan (SJU) in October 2026 (see full year).

Return flights

10 Oct - 14 Oct Southwest Airlines
09 Oct - 13 Oct Southwest Airlines
07 Oct - 12 Oct Southwest Airlines
04 Oct - 10 Oct Southwest Airlines
29 Oct - 02 Nov Southwest Airlines
29 Oct - 03 Nov Southwest Airlines
19 Oct - 23 Oct Southwest Airlines
08 Oct - 12 Oct Southwest Airlines
30 Oct - 02 Nov Southwest Airlines
08 Oct - 13 Oct Frontier Airlines

Also check the deals for one-way flights from Baltimore to San Juan in October.

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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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