Cheapest return DCA–SJU flights, July

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

Return flights

04 Jul - 09 Jul Delta
28 Jul - 06 Aug Delta
22 Jul - 06 Aug Delta
29 Jul - 03 Aug Southwest Airlines
05 Jul - 09 Jul Delta
20 Jul - 24 Jul Southwest Airlines
26 Jul - 30 Jul United
21 Jul - 24 Jul United
31 Jul - 07 Aug Southwest Airlines
30 Jul - 04 Aug Southwest Airlines
11 Jul - 15 Jul Southwest Airlines
10 Jul - 15 Jul Southwest Airlines
08 Jul - 24 Jul United
08 Jul - 23 Jul United
08 Jul - 22 Jul United
26 Jul - 09 Aug Delta
28 Jul - 01 Aug Southwest Airlines
31 Jul - 07 Aug jetBlue direct

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

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