Cheapest return flights from Washington to San Juan in March from 218€

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

Return flights

01 Mar - 06 Mar United direct
03 Mar - 10 Mar United direct
01 Mar - 05 Mar United direct
10 Mar - 17 Mar United
18 Mar - 26 Mar United direct
17 Mar - 31 Mar United
18 Mar - 24 Mar United
15 Mar - 20 Mar United direct
13 Mar - 18 Mar United
02 Mar - 07 Mar United
28 Mar - 01 Apr Frontier Airlines

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

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