Irs Tax Extension 2024 Deadline. This year, april 15 is the deadline for taxpayers to file 2023 federal income tax returns. Review information about due dates and when to file tax returns.

For tax year 2023 (filed in 2024), you needed to submit your tax extension request by monday, april 15—the regular tax filing deadline—or face a penalty. They can visit the special free help page on irs.gov.