Cheapest return flights from Denver to San Juan in April from 465€

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 April 2025 (see full year).

Return flights

02 Apr - 16 Apr United direct
08 Apr - 22 Apr United direct
15 Apr - 29 Apr United direct
16 Apr - 30 Apr United direct
16 Apr - 23 Apr United direct
24 Apr - 30 Apr United direct
22 Apr - 06 May United direct
01 Apr - 15 Apr United direct
03 Apr - 17 Apr United direct
06 Apr - 11 Apr Southwest Airlines
12 Apr - 26 Apr United
17 Apr - 01 May United direct
19 Apr - 03 May United
18 Apr - 02 May United direct
21 Apr - 05 May United
21 Apr - 05 May United direct
20 Apr - 04 May United
20 Apr - 04 May United direct
19 Apr - 03 May United direct

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

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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