Cheapest return flights from Denver to San Juan in June from $470

Best time to book flights for Denver (DEN) to San Juan (SJU) flights at AirHint

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

Return flights

07 Jun - 11 Jun jetBlue
04 Jun - 18 Jun United
24 Jun - 01 Jul United
10 Jun - 24 Jun United
17 Jun - 01 Jul United
10 Jun - 15 Jun jetBlue
05 Jun - 13 Jun jetBlue
13 Jun - 16 Jun jetBlue
07 Jun - 21 Jun United
19 Jun - 23 Jun United
01 Jun - 15 Jun United
16 Jun - 28 Jun Allegiant Air
20 Jun - 04 Jul United
18 Jun - 02 Jul United
21 Jun - 05 Jul United
23 Jun - 07 Jul United direct
22 Jun - 06 Jul United

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

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