You can take a look at this tx https://etherscan.io/tx/0x6bf95f05b0f5df70afff0130271293e6929e2e6b37133cbec178024a9c602ab0
From that tx hash and you will be seeing your token will be sending by 1inch swap address to the 1nch router address before it will be interacting with uniswap swap address to swap your token.
That means you must have paid more transactions compared when you are using uniswap directly. That's why 1inch has a higher tx fees compared with uniswap.
Just use uniswap directly.
Do you forget if 1inch just an aggregator?
So first I look at what inch chooses and then I bypass them anyway and use uniswap or another provider? then how can they make money when everyone else does it?