Cheapest return flights from Washington to San Juan in November from 134€

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
06 Nov - 09 Nov Frontier Airlines direct
13 Nov - 16 Nov Frontier Airlines direct
02 Nov - 13 Nov United direct
02 Nov - 04 Nov Frontier Airlines
13 Nov - 17 Nov Frontier Airlines
10 Nov - 13 Nov Delta
02 Nov - 04 Nov United direct
10 Nov - 13 Nov United direct
03 Nov - 06 Nov United direct
30 Nov - 07 Dec Frontier Airlines direct
27 Nov - 01 Dec Frontier Airlines
29 Nov - 06 Dec Frontier Airlines
28 Nov - 03 Dec United direct
27 Nov - 02 Dec United direct
29 Nov - 06 Dec United direct
21 Nov - 01 Dec Frontier Airlines direct
28 Nov - 01 Dec Frontier Airlines direct
29 Nov - 01 Dec Frontier Airlines direct
25 Nov - 02 Dec United

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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