Bring your own print chemicals seems odd. Unless you will have your own private darkroom and sink.
I would use non-accordion bottles of a smaller volume, so it will pack better and lighter.
Paper chemistry can be a fair volume of chemicals to fill the trays so you need to determine how much chemicals to bring.
Size the bottles for just the amount of chemistry you need. No sense carrying extra weight. If you only need 1 L, don't bring 2 L of chemicals.
For any one-time chemical, bring stock solution that you dilute at the darkroom. Again to save volume and weight.