Cheapest return BWI–SJU flights, August

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

Return flights

20 Aug - 24 Aug Frontier Airlines direct
21 Aug - 24 Aug Frontier Airlines direct
19 Aug - 24 Aug Frontier Airlines direct
26 Aug - 30 Aug Frontier Airlines direct
28 Aug - 02 Sep Frontier Airlines direct
10 Aug - 17 Aug Frontier Airlines direct
25 Aug - 30 Aug Frontier Airlines direct
27 Aug - 30 Aug Frontier Airlines direct
28 Aug - 01 Sep Frontier Airlines direct
29 Aug - 03 Sep Frontier Airlines direct
25 Aug - 01 Sep Frontier Airlines direct
31 Aug - 05 Sep Frontier Airlines direct
11 Aug - 20 Aug Frontier Airlines
12 Aug - 28 Aug Frontier Airlines
11 Aug - 17 Aug Frontier Airlines

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

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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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