Gas cost from/to different chains are different. For example, bridging from Aptos to Ethereum mainnet would normally cost more than other chains. Please make sure you accept the gas cost before you bridge.

Step 1 Click “Add” next to “Gas on destination”

Step 2 Check “Cost” to be deducted from source wallet

You will see total gas cost to be deducted from source wallet at the bottom of the window.

The gas cost has included gas on destination chain and all gas required for cross-chain transaction.

Please keep in mind that the gas cost would fluctuate.