Cheapest return flights from San Juan to Boston in September from 204€

AirHint found the following cheapest return flights from San Juan (SJU) to Boston (BOS) in September 2026 (see full year).

Return flights

01 Sep - 07 Sep Spirit Airlines direct
02 Sep - 07 Sep Spirit Airlines direct
04 Sep - 11 Sep Delta direct
04 Sep - 13 Sep Delta direct
01 Sep - 03 Sep Spirit Airlines direct
02 Sep - 03 Sep Spirit Airlines direct
01 Sep - 04 Sep Spirit Airlines direct
02 Sep - 04 Sep Spirit Airlines direct
06 Sep - 07 Sep Spirit Airlines direct

Also check the deals for one-way flights from San Juan to Boston in September.

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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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