In 1922, Bingham was elected lieutenant governor of Connecticut, an office he held until 1924.
In November 1924, he was elected governor.
On December 16, 1924, Bingham was also elected as a Republican to serve in the United States Senate to fill a vacancy created by the suicide of Frank Bosworth Brandegee.
Bingham defeated noted educator Hamilton Holt by a handy margin.
Now both governor-elect and senator-elect, Bingham served as governor for one day, the shortest term of any Connecticut governor.

Bingham was reelected to a full six-year Senate term in 1926.

Bingham was Chairman of the Committee on Printing and then Chairman of the Committee on Territories and Insular Possessions.
President Calvin Coolidge appointed Bingham to the President's Aircraft Board during his first term in the Senate; the press quickly dubbed the ex-explorer "The Flying Senator".

Bingham failed in his second reelection effort in the wake of the 1932 Democratic landslide following the Great Depression and left the Senate at the end of his second term in 1933.

During World War II, Bingham lectured at several United States Navy training schools.
In 1951 he was appointed Chairman of the Civil Service Commission Loyalty Review Board, an assignment he kept through 1953.
In 1922, Bingham was elected lieutenant governor of Connecticut, an office he held until 1924. In November 1924, he was elected governor. On December 16, 1924, Bingham was also elected as a Republican to serve in the United States Senate to fill a vacancy created by the suicide of Frank Bosworth Brandegee. Bingham defeated noted educator Hamilton Holt by a handy margin. Now both governor-elect and senator-elect, Bingham served as governor for one day, the shortest term of any Connecticut governor.
Bingham was reelected to a full six-year Senate term in 1926.
Bingham was Chairman of the Committee on Printing and then Chairman of the Committee on Territories and Insular Possessions. President Calvin Coolidge appointed Bingham to the President's Aircraft Board during his first term in the Senate; the press quickly dubbed the ex-explorer "The Flying Senator".
Bingham failed in his second reelection effort in the wake of the 1932 Democratic landslide following the Great Depression and left the Senate at the end of his second term in 1933.
During World War II, Bingham lectured at several United States Navy training schools. In 1951 he was appointed Chairman of the Civil Service Commission Loyalty Review Board, an assignment he kept through 1953.
Hiram Bingham III