Cheapest return flights from Denver to San Juan in July from $486

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 July 2025 (see full year).

Return flights

09 Jul - 23 Jul United direct
15 Jul - 29 Jul United direct
17 Jul - 31 Jul United direct
15 Jul - 30 Jul United
01 Jul - 15 Jul United
14 Jul - 28 Jul United
22 Jul - 05 Aug United
28 Jul - 11 Aug United
29 Jul - 12 Aug United
18 Jul - 01 Aug United direct
25 Jul - 08 Aug United direct
12 Jul - 26 Jul United
19 Jul - 02 Aug United
21 Jul - 04 Aug United direct
30 Jul - 13 Aug United direct
07 Jul - 21 Jul United
02 Jul - 07 Jul United
20 Jul - 03 Aug United direct
03 Jul - 17 Jul United direct
23 Jul - 06 Aug United

Also check the deals for one-way flights from Denver to San Juan in July.

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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