Cheapest return IAD–SJU flights, November

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

Return flights

03 Nov - 11 Nov Frontier Airlines
11 Nov - 15 Nov Frontier Airlines
01 Nov - 08 Nov Frontier Airlines
06 Nov - 13 Nov Frontier Airlines
12 Nov - 15 Nov Frontier Airlines
06 Nov - 13 Nov United direct
06 Nov - 08 Nov Frontier Airlines
11 Nov - 15 Nov United direct
12 Nov - 15 Nov United direct
01 Nov - 08 Nov United direct

Also check the deals for one-way 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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