Cheapest return flights from Washington to San Juan in October from 132€

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

Return flights

06 Oct - 20 Oct United direct
11 Oct - 25 Oct United direct
15 Oct - 29 Oct United direct
04 Oct - 18 Oct United direct
19 Oct - 23 Oct United direct
01 Oct - 01 Oct United
20 Oct - 03 Nov United direct
21 Oct - 04 Nov United direct
22 Oct - 05 Nov United direct
27 Oct - 10 Nov United direct
28 Oct - 11 Nov United direct
29 Oct - 12 Nov United direct
01 Oct - 28 Oct United
05 Oct - 19 Oct United
30 Oct - 13 Nov United
01 Oct - 11 Oct United
16 Oct - 30 Oct United
18 Oct - 01 Nov United
24 Oct - 07 Nov United
19 Oct - 02 Nov United direct

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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