Cheapest return flights from Washington to San Juan in July from 395€

Best time to book flights for Washington (DCA) to San Juan (SJU) flights at AirHint

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

Return flights

22 Jul - 29 Jul Southwest Airlines
10 Jul - 15 Jul Southwest Airlines
09 Jul - 18 Jul Southwest Airlines
17 Jul - 22 Jul Southwest Airlines
21 Jul - 28 Jul Southwest Airlines
03 Jul - 12 Jul United
10 Jul - 14 Jul Southwest Airlines
30 Jul - 04 Aug United
06 Jul - 13 Jul Southwest Airlines
01 Jul - 06 Jul Southwest Airlines
03 Jul - 06 Jul Southwest Airlines
31 Jul - 04 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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