Cheapest return flights from Washington to San Juan in June from $253

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

Return flights

01 Jun - 05 Jun United direct
03 Jun - 06 Jun United
29 Jun - 10 Jul United
28 Jun - 03 Jul United
09 Jun - 15 Jun United
21 Jun - 26 Jun United
04 Jun - 07 Jun United
14 Jun - 25 Jun United direct
25 Jun - 30 Jun United direct
12 Jun - 15 Jun United
11 Jun - 14 Jun United
20 Jun - 25 Jun United direct
26 Jun - 06 Jul United
15 Jun - 15 Jul Frontier Airlines
27 Jun - 05 Jul United direct
27 Jun - 04 Jul Alaska Airlines

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

Powered by

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.

Book a cheap hotel in San Juan

Cheap car rent in San Juan

Feel free to contact us with any feedback or request another flight research.