Yes, you can travel outside the US while your green card renewal is pending, but you'll need to file Form I-131A for a travel permit or obtain an ADIT stamp.

 It's best to wait until you have a travel document or advance parole before leaving the US, as traveling without it may lead to issues re-entering the country.

Traveling outside the US while your green card renewal is pending carries risks, and if your re-entry permit or travel permit isn't approved, you might not be allowed back into the country.

Yes, just carry your expired green card and the receipt notice — you’re good to travel.