The 41-day shutdown could last a few more days as members of the House, which has been on recess since mid-September, return to Washington to vote on the legislation.
The bill is lacking is any clear resolution to expiring health care subsidies that Democrats have been fighting for as millions of Americans stare down rising insurance premiums. It's unclear whether the two parties would be able to find any common ground on the subsidies before a promised December vote in the Senate.
Some Republicans have said they are open to extending the COVID-19-era tax credits as premiums could skyrocket for millions of people, but they also want new limits on who can receive the subsidies.
President Donald Trump has signaled support for the bill to reopen the government, saying Monday, "we're going to be opening up our country very quickly."