You can not plan trip of anywhere, you have plan a destination first to travel and explore.
Do not lose hope if you do not know much about international trip, you can use Pinterest and blogs for photos and facts about the destination you are going to plan.
Once you are done with the research of the destination you want to explore then decide the best time to visit that place.
If you are traveling internationally then you have to convert your currency to local currency. Hence, plan how much can it cost to live out there.
Book the affordable flights when you have decided when you are available to travel.
Book the Accommodation in advance so that you can be free once your reached your destination.
What is the purpose to visit another place? Plan the activities you want to do while traveling.
The most important thing to do before traveling anywhere is to buy travel insurance to insure your travel security.
Now when you are ready, save the money as much as you can so that you can spend your vacations peacefully without hesitations.