Cheapest return flights from Washington to San Juan in October from $145

AirHint found the following cheapest return flights from Washington (DCA) to San Juan (SJU) in October 2025 (see full year).

Return flights

20 Oct - 30 Oct American Airlines
20 Oct - 23 Oct jetBlue direct
20 Oct - 30 Oct jetBlue direct
18 Oct - 25 Oct American Airlines
27 Oct - 02 Nov jetBlue direct
18 Oct - 23 Oct jetBlue direct
03 Oct - 24 Oct jetBlue direct
23 Oct - 26 Oct Southwest Airlines
18 Oct - 21 Oct jetBlue direct
30 Oct - 02 Nov Southwest Airlines
31 Oct - 04 Nov American Airlines
31 Oct - 02 Nov Southwest Airlines
30 Oct - 04 Nov Southwest Airlines
30 Oct - 03 Nov Southwest Airlines
17 Oct - 21 Oct jetBlue direct
22 Oct - 26 Oct jetBlue direct
29 Oct - 02 Nov jetBlue
31 Oct - 03 Nov American Airlines
30 Oct - 04 Nov jetBlue direct
30 Oct - 02 Nov jetBlue direct

Also check the deals for one-way flights from Washington 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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