AirHint found the following cheapest return flights from Washington (DCA) to San Juan (SJU) in July 2026 (see full year).
Return flights
| 06 Jul - 10 Jul | Southwest Airlines | ||
| 18 Jul - 24 Jul | Southwest Airlines | ||
| 27 Jul - 04 Aug | American Airlines | ||
| 18 Jul - 18 Jul | jetBlue | direct | |
| 27 Jul - 04 Aug | jetBlue | direct | |
| 18 Jul - 24 Jul | jetBlue | direct |
Also check the deals for one-way flights from Washington to San Juan in July.
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