Cheapest return flights from Washington to San Juan in July from 261€

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

Return flights

29 Jul - 02 Aug United
28 Jul - 01 Aug United
31 Jul - 04 Aug American Airlines
30 Jul - 13 Aug United
30 Jul - 03 Aug Southwest Airlines
29 Jul - 12 Aug United
30 Jul - 06 Aug Southwest Airlines
30 Jul - 02 Aug Southwest Airlines
27 Jul - 03 Aug Southwest Airlines
31 Jul - 14 Aug United

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

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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