Cheapest return flights from Washington to San Juan in October from 140€

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

Return flights

23 Oct - 27 Oct United
02 Oct - 05 Oct United
02 Oct - 16 Oct United
08 Oct - 22 Oct United
01 Oct - 05 Oct United
01 Oct - 15 Oct United
19 Oct - 02 Nov United
20 Oct - 03 Nov United
21 Oct - 04 Nov United
22 Oct - 05 Nov United
23 Oct - 06 Nov United
24 Oct - 07 Nov United
28 Oct - 11 Nov United
29 Oct - 12 Nov United
09 Oct - 23 Oct United
14 Oct - 28 Oct United
15 Oct - 29 Oct United
30 Oct - 13 Nov United
25 Oct - 28 Oct United
25 Oct - 08 Nov United

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

Skyscanner

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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