Cheapest one-way flights from Washington to San Juan in June from $167

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

AirHint found the following cheapest one-way flights from Washington (IAD) to San Juan (SJU) in June 2025 (see full year).

One-Way flights

15 Jun United direct
22 Jun United
22 Jun United direct

Also check the deals for return flights from Washington to San Juan in June.

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.

Book a cheap hotel in San Juan

Cheap car rent in San Juan