After the war, Lindbergh continues to work as a consultant for the U.S. Air Force and various airlines, contributing to the development of jet aircraft and improved air travel safety.

Lindbergh publishes 'The Spirit of St. Louis', a detailed and reflective account of his transatlantic flight. The book wins the Pulitzer Prize for Biography.

In his later years, Lindbergh becomes increasingly involved in conservation efforts, particularly focusing on protecting endangered species and preserving wilderness areas. He works with organizations like the World Wildlife Fund and travels extensively to promote environmental awareness.

Charles Lindbergh dies of lymphoma on August 26, 1974, in Kipahulu, Maui, Hawaii. He is buried near the 'Ohe'o Gulch in Kipahulu. At the time of his death he was working on an autobiography.