Firehouse Subs has varying hours of operation during holidays, as they understand that many people prefer dining out instead of cooking. While they remain open for most holidays, there are a few exceptions. Below, you will find a comprehensive list of Firehouse Subs’ holiday schedules, including any special operating hours. Please note that individual locations may choose to modify these hours at their own discretion.
| Jan 1 | New Year’s Day | Sunday | Regular Hours |
| Jan 16 | Martin Luther King Day | Monday | Regular Hours |
| Feb 20 | Presidents’ Day | Monday | Regular Hours |
| April 7 | Good Friday | Friday | Regular Hours |
| April 9 | Easter | Sunday | Closed |
| May 29 | Memorial Day | Monday | Regular Hours |
| Jul 4 | Independence Day | Tuesday | Regular Hours |
| Sep 4 | Labor Day | Monday | Regular Hours |
| Oct 9 | Columbus Day | Monday | Regular Hours |
| Nov 11 | Veterans Day | Saturday | Regular Hours |
| Nov 22 | Day Before Thanksgiving | Wednesday | Regular Hours |
| Nov 23 | Thanksgiving | Thursday | Closed |
| Nov 24 | Black Friday | Friday | Regular Hours |
| Dec 24 | Christmas Eve | Sunday | Regular Hours |
| Dec 25 | Christmas Day | Monday | Closed |
| Dec 31 | New Year’s Eve | Sunday | Regular Hours |