The flight distance from Denver International Airport (DEN) in Denver, United States to Fernando Luis Ribas Dominicci Airport (SIG) in San Juan, United States is 4,386 kilometers (2,726 miles / 2,368 nautical miles). The estimated flight time for this route is approximately 6h, flying east southeast at a heading of 111°.

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

This is a domestic route within United States. Both airports operate in the same country, which may simplify travel requirements and documentation. Despite being a domestic route, there is a 3-hour time difference between the two cities.

Time zone information: When it's 03:38 in Denver, it's 06:38 in San Juan. The 3-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 5,424 feet between the two airports. Fernando Luis Ribas Dominicci Airport sits lower than Denver International Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from San Juan (SIG) to Denver (DEN) follows a heading of 311° (northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Denver International Airport (DEN) and Fernando Luis Ribas Dominicci Airport (SIG) detail pages, or use our flight duration calculator to compare other routes.