Move comes even though legal challenges to the ban continue in lower courts.
The justices ruled the policy could be fully enforced even as legal challenges against it continue in the lower courts.
The ban applies varying limits on visas for nationals from six Muslim-majority countries -- Chad, Iran, Libya, Somalia, Syria and Yemen -- as well as from Venezuela and North Korea.
President Donald Trump has issued three versions of the controversial ban since assuming office because two versions were reportedly too restrictive.
In June, the top court allowed parts of the travel ban to go into effect while saying those who have a “credible claim of a bona fide relationship with a person or entity” in the U.S. should be exempted.
The 9th U.S. Circuit Court of Appeals in San Francisco and the 4th U.S. Circuit Court of Appeals in Richmond, Virginia will be holding discussions on the legality of the ban this week.
The Supreme Court's decision appears to be another major win for Trump after his long-desired tax bill passed in the Senate on Saturday.