2025 Kansas Income Tax Filing Deadlines for 2024 Returns

Kansas State Income Taxes for the 2024 tax year can be prepared and e-filed, along with your IRS or Federal Income Tax Return. You can also find out how to prepare and e-file just an Kansas state return. Check the deadlines for IRS or Federal Tax Returns.

Tax Deadlines and the Kansas Tax Day

The majority of deadlines listed here are for the 2024 tax year and are due in 2025; some apply to upcoming years and some are IRS or federal deadlines. After Oct. 15 you can no longer e-file tax returns or current year tax amendments. They will have to be filed via paper tax forms.

Deadline

Type

Description

April 15, 2025

Income Tax Return

Prepare and eFile an IRS (Due Date April 15) and Kansas State Income Tax Return (Due Date April 15) until October 15 - eFileIT

April 15, 2025

Income Tax Extension

See Kansas Income Tax Extension Details.

October 15, 2025

Income Tax Return after the April 15 Kansas Tax Extension

Last day to eFile a 2024 Kansas State Income Tax Return for Tax Extension Filers and late eFilers. You can only eFile (to file by paper see below) Kansas Income Tax Return together with an IRS Tax Return - eFileIT

October 15, 2025
via mail-in Forms. Forms incl. Mailing Address

Income Tax Return after the April 15 Kansas Tax Extension

Deadline for taxpayers who got an KS Tax Extension to file their Kansas Income Tax Return by mail-in Forms - the Forms incl. mailing addresses are listed here - is Oct. 15. (Optionally, the eFileIT deadline is Oct. 15). Instructions on how to only - without the IRS return - prepare and file a Kansas State Income Tax Return on eFile.com.

Complete and Mail In Now

Tax Amendment for all Tax Years
File as soon as possible.

Detailed Instructions on how to prepare and mail in an Kansas State Income Tax Return Amendment.

IRS Due Dates

IRS Tax Return, Extension, Amendment Deadlines

Detailed current and future Federal or IRS Income Tax Deadlines.

All State Deadlines

Other State Tax Return, Extension, Amendment Deadlines

Select respective State Tax Return Deadlines.

April 15, 2026

2022 Kansas Income Tax Return Refund

The last day to file and claim your 2022 Kansas Income Tax Return. This deadline does not apply if you owe 2022 Income Taxes. See details on unclaimed refunds.

April 15, 2027

2023 Kansas Income Tax Return Refund

The last day to file and claim your 2023 Kansas Income Tax Return. This deadline does not apply if you owe 2023 Income Taxes. See details on unclaimed refunds.

April 15, 2028

2024 Kansas Income Tax Return Refund

The last day to file and claim your 2024 Kansas Income Tax Return. This deadline does not apply if you owe 2024 Income Taxes. See details on unclaimed refunds.

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