Cheapest one-way flights from Denver to San Juan in August from 114€

AirHint found the following cheapest one-way flights from Denver (DEN) to San Juan (SJU) in August 2025 (see full year).

One-Way flights

02 Aug Frontier Airlines
19 Aug Frontier Airlines
01 Aug Frontier Airlines
02 Aug United direct
01 Aug United direct
17 Aug Delta

Also check the deals for return flights from Denver to San Juan in August.

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.

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.