Iceland in late spring is the sweet spot. You get enough daylight to see the waterfalls during the day and just enough darkness to catch the northern lights at night. It is cheaper and quieter than the summer peak, making it the perfect time to explore the volcanic landscapes.
We can make this $3200 trip happen without a massive hit to your savings. By using the Citi Simplicity® Credit Card, you get 0% for 18 months on purchases and balance transfers from date of account opening. This lets you spread the cost out so you aren't paying for the whole thing the second you book.
The 18-month window is a deadline, not a gift. If you still have a balance after 18 months, the bank will charge you interest on the remaining amount, which will cost you significantly more.