Cheapest one-way flights from Washington to San Juan in November from $386

AirHint found the following cheapest one-way flights from Washington (IAD) to San Juan (SJU) in November 2026 (see full year).

One-Way flights

25 Nov Delta
20 Nov United
25 Nov United direct
20 Nov United direct

Also check the deals for return flights from Washington to San Juan in November.

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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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