2024 Tax Extension Deadline. The main deadline for filing your 2024 federal income tax return is april 15, 2025. With a tax extension, you have until october 15, 2024 to file your 2023 tax return.

Monday, april 15, 2024 is the 2024 tax deadline to file an extension for 2023 tax year returns. With a tax extension, you have until october 15, 2024 to file your 2023 tax return.