Cheapest return flights from Washington to San Juan in June from 208€

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

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

Return flights

17 Jun - 24 Jun Frontier Airlines direct
03 Jun - 10 Jun Frontier Airlines direct
17 Jun - 21 Jun Frontier Airlines
17 Jun - 27 Jun Frontier Airlines
01 Jun - 04 Jun United
02 Jun - 16 Jun United
13 Jun - 15 Jun Frontier Airlines
19 Jun - 23 Jun Frontier Airlines
11 Jun - 16 Jun Frontier Airlines
11 Jun - 08 Jul Frontier Airlines
03 Jun - 12 Jun United
25 Jun - 09 Jul United direct
30 Jun - 08 Jul United
20 Jun - 04 Jul United direct
17 Jun - 01 Jul United
23 Jun - 07 Jul United
21 Jun - 05 Jul United
22 Jun - 06 Jul United
19 Jun - 03 Jul United
18 Jun - 02 Jul United

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

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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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