Western Governor's University [1] is a good deal for IT-related online degrees. They are $3920 per 6 month term, no matter how many or few classes you take that term. You can take the tests for most classes without having taken the class and get credit for passing, so if you already know a subject required for the degree would can satisfy the requirement that way.

The cost of certifications that you earn along the way are included in the $3920.

Here's a page about their IT degrees from WGU Washington [2].

As an example of the certifications included, here is what they bachelor's degree in network operations and security includes: CompTIA A+, CompTIA Network+, CompTIA Security+, CompTIA Project+, CompTIA IT Operations Specialist, CompTIA Secure Infrastructure Specialist, Axelos ITIL®1 Foundation, LPI Linux Essentials, Cisco Certified Network Associate (CCNA), Amazon AWS SysOps Administration-Associate, and Amazon AWS Cloud Practitioner.

[1] https://en.wikipedia.org/wiki/Western_Governors_University

[2] https://www.wgu.edu/online-it-degrees/it-certifications.html