Cheapest one-way flights from Washington to San Juan in November from 39€

AirHint found the following cheapest one-way flights from Washington (IAD) to San Juan (SJU) in November 2025 (see full year).

One-Way flights

16 Nov Frontier Airlines direct
02 Nov Frontier Airlines direct
13 Nov Frontier Airlines
24 Nov Frontier Airlines direct
09 Nov Frontier Airlines direct
22 Nov Frontier Airlines direct
08 Nov Frontier Airlines
13 Nov Frontier Airlines direct
14 Nov Frontier Airlines
10 Nov Delta

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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