Cheapest return flights from Denver (DEN) to San Juan (SJU), June

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
28 Jun 07 Jul Frontier Airlines
30 Jun 05 Jul Frontier Airlines
25 Jun 06 Jul Frontier Airlines
11 Jun 17 Jun Frontier Airlines
24 Jun 01 Jul Frontier Airlines
17 Jun 21 Jun Frontier Airlines
10 Jun 16 Jun Frontier Airlines
25 Jun 09 Jul Frontier Airlines
26 Jun 01 Jul Frontier Airlines
06 Jun 17 Jun Frontier Airlines
17 Jun 22 Jun Frontier Airlines
25 Jun 30 Jun Frontier Airlines
10 Jun 13 Jun Frontier Airlines
24 Jun 28 Jun Frontier Airlines
26 Jun 30 Jun Frontier Airlines
03 Jun 10 Jun Frontier Airlines
28 Jun 07 Jul United
Direct Flight
30 Jun 05 Jul United
Direct Flight
25 Jun 06 Jul United
Direct Flight
Powered by

deals for one-way flights from Denver to San Juan in June.

Book a cheap hotel in San Juan

Cheap car rent in Luis Munoz Marin Intl

Updated May 28, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

Feel free to contact us with any feedback or request another flight research.