The best times of year to visit Kauai are August, September, October and November, or April, May and June. During these times, the hotel and airfare rates are generally lower and the weather is pleasant.
During Christmas and other popular holidays, accommodation prices in Kauai generally increase corresponding to the influx of vacationers. However, during the fall and spring, tourism decreases, leading to a corresponding decrease in prices. Therefore, for vacationers searching for the best prices to travel to Hawaii, the best time to plan a vacation to Kauai is after the peak holiday season and before the summer vacation begins, or in the fall before the holiday season begins.