Cheapest return DEN–SJU flights, June

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

Return flights

21 Jun - 24 Jun Frontier Airlines
25 Jun - 01 Jul Frontier Airlines
26 Jun - 01 Jul Frontier Airlines
19 Jun - 01 Jul Frontier Airlines
25 Jun - 29 Jun Frontier Airlines
10 Jun - 17 Jun Frontier Airlines
08 Jun - 13 Jun Frontier Airlines
24 Jun - 28 Jun Frontier Airlines
18 Jun - 22 Jun Frontier Airlines
01 Jun - 15 Jun Frontier Airlines
25 Jun - 28 Jun Frontier Airlines
26 Jun - 30 Jun Frontier Airlines
25 Jun - 06 Jul Frontier Airlines
26 Jun - 03 Jul Frontier Airlines
26 Jun - 30 Jun United direct
25 Jun - 06 Jul United direct

Also check the deals for one-way flights from Denver 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.