Cheapest return flights from Washington to San Juan in November from 101€

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

Return flights

02 Nov - 06 Nov Frontier Airlines direct
02 Nov - 09 Nov Frontier Airlines direct
13 Nov - 17 Nov Frontier Airlines
09 Nov - 14 Nov Frontier Airlines
14 Nov - 21 Nov Frontier Airlines
17 Nov - 21 Nov Frontier Airlines
06 Nov - 09 Nov Frontier Airlines direct
02 Nov - 13 Nov United direct
14 Nov - 17 Nov Frontier Airlines
02 Nov - 07 Nov United direct
30 Nov - 04 Dec Frontier Airlines direct
30 Nov - 07 Dec Frontier Airlines direct
28 Nov - 10 Dec Frontier Airlines
29 Nov - 03 Dec Frontier Airlines
27 Nov - 01 Dec Frontier Airlines
28 Nov - 05 Dec Frontier Airlines
28 Nov - 10 Dec United direct
28 Nov - 05 Dec United direct
26 Nov - 03 Dec United
29 Nov - 03 Dec United direct

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

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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