It's actually not that hard to cloth when traveling, just takes a little bit of practice. One of the things I found very helpful and a big space saver were All In Two diapers. These are diapers that either have an insert or prefold and a cover you can reuse 2-3 times. It's less bulky to pack and makes it quick and easy for changes. Simply replace the insert or prefold and then snap back on the cover. Boom! Ready to roll. I really like the Bum Genius Flip covers. They have these great stay-dry liners that make clean up a breeze. This is what I use for the twins when we go somewhere. I also pack my fleece or wool covers or pants. This prevents any leaks from seeping through in case you are running late in-between changes.
Another thing to consider is how many to bring. I recommend adding 2-3 to what they normally use everyday. It's best to be prepared for any major blowouts they could have. Sometimes traveling can mess with their normal bowel functions...ewww.
If you're staying with friends or family you most likely will have access to a washer and dryer. Most hotels do have a laundromat as well. Personally I don't want to spend my vacation washing diapers, but if I have to I wash I will. Bring a small bag of your CD safe detergent and possibly a hard water booster depending on what type of water they might have there. Reminder to check-in with your bags and do not bring it with your carry-on when flying or the FFA will be drilling you for your Anthrax contacts LOL.
Most importantly know that it's ok to forgo cloth on a trip. It's ok. Enjoy your much deserved vacation and time with the little ones. Your cloth will be waiting for you when you get home :)
