Bankhai United was founded in 2012, they are the local football team of Ban Khai district, Rayong province.

In January 2012 they purchased the playing license of Khǒr Royal Cup from Bantungked School F.C.

In Khǒr Royal Cup 2012 season they were in round of 16 and defeated to Rayong Province in penalty shoot-out.

In addition, in the 2022–23 Thai League Cup Bankhai United was defeated 0–1 by Rajpracha in the qualification play-off round, causing them to be eliminated.

[3] Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.