The most direct route to Puerto Jimenez from San Jose is to use one of the trusted air-carriers Costa Rica has to offer.
These air-carriers offer numerous flights from San Jose to Puerto Jimenez daily, with the one-way trip taking approximately 40 minutes.
It should be noted, however, that there are no late afternoon or evening flights with either air-carrier. The last flight into Jimenez is at approximately 3 in the afternoon in the high season. In the green season, the final flight is usually around 12/1 pm. Visitors arriving into the country in the late afternoon or evening should take this into consideration.